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| ○ | ○ | Article | Critical window of exposure of CMIT/MIT with respect to developmental effects on zebrafish embryos: Multi-level endpoint and proteomics analysis | Systemic toxicity, particularly, developmental defects of humidifier disinfectant chemicals that have caused lung injuries in Korean children, remains to be elucidated. This study evaluated the mechanisms of the adverse effects of 5-chloro-2-methyl-4-isothiazoline-3-one/2methyl-4-isothiazolin-3-one (CMIT/MIT), one of the main biocides of the Korean tragedy, and identify the most susceptible developmental stage when exposed in early life. To this end, the study was designed to analyze several endpoints (morphology, heart rate, behavior, global DNA methylation, gene expressions of DNA methyl-transferases (dnmts) and protein profiling) in exposed zebrafish (Danio rerio) embryos at various developmental stages. The results showed that CMIT/MIT exposure causes bent tail, pericardial edema, altered heart rates, global DNA hypermethylation and significant alterations in the locomotion behavior. Consistent with the morphological and physiological endpoints, proteomics profiling with bioinformatics analysis suggested that the suppression of cardiac muscle contractions and energy metabolism (oxidative phosphorylation) were possible pivotal underlying mechanisms of the CMIT/MIT mediated adverse effects. Briefly, multi-level endpoint analysis indicated the most susceptible window of exposure to be < 6 hpf followed by < 48 hpf for CMIT/MIT. These results could potentially be translated to a risk assessment of the developmental exposure effects to the humidifier disinfectants. (C) 2020 Elsevier Ltd. All rights reserved. | Chatterjee, Nivedita; Lee, Hyunho; Kim, Jiwan; Kim, Doeun; Lee, Sangkyu; Choi, Jinhee | Univ Seoul, Sch Environm Engn, 163 Seoulsiripdae Ro, Seoul 02504, South Korea; Kyungpook Natl Univ, Coll Pharm, BK21 Plus KNU Multiomics Based Creat Drug Res Tea, Daegu 41566, South Korea; Kyungpook Natl Univ, Res Inst Pharmaceut Sci, Daegu 41566, South Korea | ; Chatterjee, Nivedita/AAQ-1320-2021; Choi, Jinhee/H-2464-2016; Kim, Doeun/NJR-1829-2025 | 35118539600; 57219652910; 57207769458; 57219650718; 57209046767; 35309534900 | jinhchoi@uos.ac.kr; | ENVIRONMENTAL POLLUTION | ENVIRON POLLUT | 0269-7491 | 1873-6424 | 268 | SCIE | ENVIRONMENTAL SCIENCES | 2021 | 9.988 | 9.9 | 1.09 | 2025-07-30 | 19 | 18 | CMIT/MIT; Critical window of exposure; DNA methylation; Locomotion behavior; Proteomics; Developmental cardiac functional defects | EARLY-LIFE STAGE; HUMIDIFIER DISINFECTANTS; OXIDATIVE STRESS; LUNG INJURY; S-GLUTATHIONYLATION; TOXICITY; ISOTHIAZOLINONES; CHEMICALS; APOPTOSIS; MIXTURE | CMIT/MIT; Critical window of exposure; Developmental cardiac functional defects; DNA methylation; Locomotion behavior; Proteomics | Animals; Child; Disinfectants; Embryo, Nonmammalian; Humans; Lung Injury; Proteomics; Zebrafish; Korea; Danio rerio; Alkylation; Disinfectants; DNA; Gene expression; Heart; Metabolism; Muscle; Proteomics; 2 methyl 4 isothiazolin 3 one; 5 chloro 2 methyl 4 isothiazoline 3 one; biocide; unclassified drug; disinfectant agent; Bioinformatics analysis; Developmental stage; DNA hypermethylation; Energy metabolism; Locomotion behavior; Methyltransferases; Oxidative phosphorylation; Systemic toxicities; abnormality; cyprinid; developmental stage; disinfection; embryo; gene expression; growth response; locomotion; pesticide; pollution effect; pollution exposure; proteomics; risk assessment; animal tissue; Article; bioinformatics; controlled study; DNA methylation; embryo; energy metabolism; environmental exposure; environmental management; epithelial mesenchymal transition; gene expression profiling; genetic transcription; heart rate; morphology; nonhuman; oxidative phosphorylation; oxidative stress; protein analysis; protein phosphorylation; protein protein interaction; proteomics; zebra fish; animal; child; human; lung injury; nonmammalian embryo; proteomics; zebra fish; Risk assessment | English | 2021 | 2021-01-01 | 10.1016/j.envpol.2020.115784 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Effect of C/N substrates for enhanced extracellular polymeric substances (EPS) production and Poly Cyclic Aromatic Hydrocarbons (PAHs) degradation | Extracellular Polymeric Substances (EPS) influenced Poly Cyclic Aromatic Hydrocarbons (PAHs) degrading Klebsiella pneumoniae was isolated from the marine environment. To increase the EPS production by Klebsiella pneumoniae, several physicochemical parameters were tweaked such as different carbon sources (arabinose, glucose, glycerol, lactose, lactic acid, mannitol, sodium acetate, starch, and sucrose at 20 g/L), nitrogen sources (ammonium chloride, ammonium sulphate, glycine, potassium nitrate, protease peptone and urea at 2 g/L), different pH, carbon/nitrogen ratio, temperature, and salt concentration were examined. Maximum EPS growth and biodegradation of Anthracene (74.31%), Acenaphthene (67.28%), Fluorene (62.48%), Naphthalene (57.84%), and mixed PAHs (55.85%) were obtained using optimized conditions such as glucose (10 g/L) as carbon source, potassium nitrate (2 g/L) as the nitrogen source at pH 8, growth temperature of 37 degrees C, 3% NaCl concentration and 72 h incubation period. The Klebsiella pneumoniae biofilm architecture was studied by confocal laser scanning microscopy (CLSM) and scanning electron microscope (SEM). The present study demonstrates the EPS influenced PAHs degradation of Klebsiella pneumoniae. (C) 2020 Elsevier Ltd. All rights reserved. | Premnath, N.; Mohanrasu, K.; Rao, R. Guru Raj; Dinesh, G. H.; Prakash, G. Siva; Pugazhendhi, Arivalagan; Jeyakanthan, J.; Govarthanan, Muthusamy; Kumar, Ponnuchamy; Arun, A. | Alagappa Univ, Dept Energy Sci, Karaikkudi, Tamil Nadu, India; Alagappa Univ, Dept Microbiol, Karaikkudi, Tamil Nadu, India; Ton Duc Thang Univ, Fac Environm & Labour Safety, Innovat Green Prod Synth & Renewable Environm Dev, Ho Chi Minh City, Vietnam; Alagappa Univ, Dept Bioinformat, Karaikkudi, Tamil Nadu, India; Kyungpook Natl Univ, Dept Environm Engn, Daegu 41566, South Korea; Alagappa Univ, Dept Anim Hlth & Management, Karaikkudi, Tamil Nadu, India | Muthusamy, Govarthanan/C-1491-2014; Govarthanan, Muthusamy/C-1491-2014; Arun, A./F-8986-2019; Pugazhendhi, Arivalagan/F-5411-2018; Ponnuchamy, Kumar/D-3470-2013; Arun, Alagarsamy/F-8986-2019; Gurusamy, Sivaprakash/LZE-3249-2025; Ravi, Guru Raj Rao/ADN-6941-2022 | 57202301376; 57202300780; 57219604789; 57215022798; 57207261276; 57191625854; 8885182100; 54881927600; 55173720800; 57078221100 | arivalagan.pugazhendhi@tdtu.edu.vn;arunalacha@gmail.com; | ENVIRONMENTAL POLLUTION | ENVIRON POLLUT | 0269-7491 | 1873-6424 | 275 | SCIE | ENVIRONMENTAL SCIENCES | 2021 | 9.988 | 9.9 | 4.57 | 2025-07-30 | 79 | 80 | Biofilm; EPS; Biodegradation; Marine bacteria; PAHs; Klebsiella pneumoniae | MICROBIAL COMMUNITY; INDIGENOUS BACTERIA; MARINE-BACTERIA; PHB PRODUCTION; BIOFILM; SOIL; OIL; BIOREMEDIATION; GROWTH; CARBON | Biodegradation; Biofilm; EPS; Klebsiella pneumoniae; Marine bacteria; PAHs | Biodegradation, Environmental; Extracellular Polymeric Substance Matrix; Hydrocarbons, Aromatic; Nitrogen; Polycyclic Aromatic Hydrocarbons; Klebsiella pneumoniae; Amino acids; Bacteria; Biodegradation; Glucose; Lactic acid; Mineral oils; Naphthalene; Nitrates; Polymers; Potash; Potassium chloride; Potassium Nitrate; Scanning electron microscopy; Sodium chloride; Substrates; Sulfur compounds; Urea; aromatic hydrocarbon; nitrogen; polycyclic aromatic hydrocarbon; Biodegradation of anthracene; Biofilm architecture; Confocal laser scanning microscopy; Different carbon sources; Extracellular polymeric substances; Klebsiella pneumoniae; Optimized conditions; Physicochemical parameters; bioremediation; Polycyclic aromatic hydrocarbons | English | 2021 | 2021-04-15 | 10.1016/j.envpol.2020.116035 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Energy and environmental applications of Sn⁴⁺/Ti⁴⁺ doped α-Fe2O3 @Cu2O/CuO photoanode under optimized photoelectrochemical conditions | The most promising technique for directly converting solar energy into clean fuels and environmental remediation by organic dye degradation is photoelectrochemical (PEC) process. We introduced Sn4+/Ti(4+)doped alpha-Fe2O3@CuxO heterojunction photoanode with complete optimization for PEC hydrogen (H-2) generation and organic dye degradation. Improvement of photocurrent photo and reducing overpotentials under optimized conditions lead to enhancing PEC performances, degradation efficiency of organic compounds, and H-2 generation generation rate. The optimized heterojunction photoanode (5TiFe@CuxO-D) showed IPCE exceeding 42% compared with pristine hematite (Fe-0.01-800(6h)) nanostructures (28%). Additionally, all the optimized photoanodes showed higher PEC stability for 10 h. Time-resolved PL spectra confirm the improved average lifetime for heterojunction photoanodes, supporting the enhanced PEC performance. Optimized 5TiFe@CuxO-D material achieved PEC H-2 generation of similar to 300 mu L h(-1).cm(-2) which is two times higher than pristine hematite's activity (150 mu L h(-1).cm(-2)) and almost 99% degradation efficiency within 120 min of irradiation time. Therefore, a state-of-the-art study has been explored for hematite-based heterojunction photoanodes reflecting the superior PEC performance and hydrogen, methyl orange (MO) dye degradation activities. The improved results were reported because of stable morphology and better crystallinity acquired through systematic investigation of thermal effects and hydrothermal duration, improved electrical properties by Sn/Ti doping into the lattice of alpha-Fe(2)O(3 )and optimization of CuxO deposition methods. The formation of well-defined heterojunction minimizes the recombination of the charge carrier and leads to effective transportation of excited electrons for the enhanced PEC performance. (C) 2020 Elsevier Ltd. All rights reserved. | Nagappagari, Lakshmana Reddy; Lee, Jaewon; Lee, Hyeonkwon; Jeong, Beomgyun; Lee, Kiyoung | Kyungpook Natl Univ, Sch Nano & Mat Sci & Engn, 2559 Gyeongsang Daero, Sangju, Gyeongbuk, South Korea; Kyungpook Natl Univ, Res Inst Environm Sci & Technol, 80 Daehak Ro, Daegu, South Korea; Kyungpook Natl Univ, Dept Adv Sci & Technol Convergence, Sangju 37224, Gyeongsangbuk D, South Korea; Korea Basic Sci Inst, Res Ctr Mat Anal, Daejeon 34133, South Korea | Nagappagari, Lakshmana Reddy/K-2238-2019; Lee, Kiyoung/J-8680-2013; N, Dr. Lakshmana Reddy/K-2238-2019 | 56499352000; 59830462300; 57208133419; 57202479821; 57219211501 | kiyoung@knu.ac.kr; | ENVIRONMENTAL POLLUTION | ENVIRON POLLUT | 0269-7491 | 1873-6424 | 271 | SCIE | ENVIRONMENTAL SCIENCES | 2021 | 9.988 | 9.9 | 0.71 | 2025-07-30 | 15 | 14 | Hematite; Heterojunction; Photoelectrochemical; Charge transfer; IPCE; Stability; Hydrogen generation | NANOSTRUCTURED HEMATITE PHOTOANODES; NANOROD ARRAYS; WATER; TI; HETEROJUNCTION; OXIDATION; COMPOSITE; SURFACE; NANOMATERIALS; PHOTOCATHODE | Charge transfer; Hematite; Heterojunction; Hydrogen generation; IPCE; Photoelectrochemical; Stability | Copper; Nanostructures; Solar Energy; Titanium; Citrus sinensis; Azo dyes; Copper oxides; Crystallinity; Degradation; Fuels; Hematite; Heterojunctions; Hydrogen; Image enhancement; Photocurrents; Photoelectric devices; Solar energy; copper oxide; deionized water; ferric oxide; hydrogen; methyl orange; tin; titanium; copper; cupric oxide; nanomaterial; titanium; Degradation efficiency; Deposition methods; Environmental applications; Environmental remediation; Excited electrons; Optimized conditions; Photoelectrochemicals; Time-resolved PL spectra; electrode; hematite; hydrogen; optimization; photodegradation; solar power; Article; biodegradation; concentration (parameter); controlled study; electrochemical analysis; energy dispersive X ray spectroscopy; high resolution transmission electron microscopy; irradiation; oxidation; photoelectrochemical process; process optimization; scanning electron microscopy; transmission electron microscopy; X ray diffraction; X ray photoemission spectroscopy; solar energy; Photoelectrochemical cells | English | 2021 | 2021-02-15 | 10.1016/j.envpol.2020.116318 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Enhanced biodegradation of hydrophobic organic pollutants by the bacterial consortium: Impact of enzymes and biosurfactants | Hydrocarbons and their derivative compounds are recalcitrant in nature and causing adverse impacts to the environment and are classified as important pollutants. Removal of these pollutants from the atmosphere is a challenging process. Hydrophobic organic pollutants (HOPs) including crude oil, diesel, dotriacontane (C-32), and tetracontane (C-40) are subjected to the biodegradation study by using a bacterial consortium consist of Bacillus subtilis, Pseudomonas stutzeri, and Acinetobacter baumannii. The impact of pH and temperature on the biodegradation process was monitored. During the HOPs biodegradation, the impact of hydrocarbon-degrading extracellular enzymes such as alcohol dehydrogenase, alkane hydroxylase, and lipase was examined, and found average activity about 47.2, 44.3, and 51.8 mu mol/mg(-1), respectively. Additionally, other enzymes such as catechol 1,2 dioxygenase and catechol 2,3 dioxygenase were found as 118 and 112 mu mol/mg(-1) Enzyme as an average range in all the HOPs degradation, respectively. Also, the impact of the extracellular polymeric substance and proteins were elucidated during the biodegradation of HOPs with the average range of 116.90, 54.98 mg/L-1 respectively. The impact of biosurfactants on the degradation of different types of HOPs is elucidated. Very slight changes in the pH were also noticed during the biodegradation study. Biodegradation efficiency was calculated as 90, 84, 76, and 72% for crude oil, diesel, C-32, and C-40, respectively. Changes in the major functional groups (CH, C-O-C, C=O, =CH2, CH2, CH3) were confirmed by FTIR analysis and intermediated metabolites were identified by GCMS analysis. The surface-active molecules along with the enzymes played a crucial role in the biodegradation process. | Elumalai, Punniyakotti; Parthipan, Punniyakotti; Huang, Mingzhi; Muthukumar, Balakrishnan; Cheng, Liang; Govarthanan, Muthusamy; Rajasekar, Aruliah | South China Normal Univ, SCNU Environm Res Inst, Guangdong Prov Key Lab Chem Pollut & Environm Saf, Guangzhou 510006, PR, Peoples R China; South China Normal Univ, Sch Environm, MOE Key Lab Theoret Chem Environm, Guangzhou 510006, Peoples R China; Jiangsu Univ, Sch Environm & Safety Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China; Thiruvalluvar Univ, Dept Biotechnol, Environm Mol Microbiol Res Lab, Vellore 632115, Tamil Nadu, India; Kyungpook Natl Univ, Dept Environm Engn, 80 Daehak Ro, Daegu 41566, South Korea | Punniyakotti, Parthipan/AAZ-3749-2021; Cheng, Liang/AAF-6432-2021; Muthusamy, Govarthanan/C-1491-2014; Aruliah, Rajasekar/E-4568-2015; Punniyakotti, Elumalai/HLV-6952-2023; Govarthanan, Muthusamy/C-1491-2014 | 57193158004; 57193152696; 8948883500; 57226743421; 55474102700; 54881927600; 55928874800 | gova.muthu@gmail.com; | ENVIRONMENTAL POLLUTION | ENVIRON POLLUT | 0269-7491 | 1873-6424 | 289 | SCIE | ENVIRONMENTAL SCIENCES | 2021 | 9.988 | 9.9 | 5.15 | 2025-07-30 | 81 | 92 | Biodegradation; Biosurfactants; Enzyme activity; Hydrocarbons; Hydrophobic organic pollutants | EXTRACELLULAR POLYMERIC SUBSTANCES; HYDROCARBON-DEGRADING BACTERIA; CRUDE-OIL; PETROLEUM-HYDROCARBONS; HEAVY-METALS; CARBON-STEEL; DEGRADATION; BIOREMEDIATION; SEDIMENTS; CORROSION | Biodegradation; Biosurfactants; Enzyme activity; Hydrocarbons; Hydrophobic organic pollutants | Biodegradation, Environmental; Environmental Pollutants; Extracellular Polymeric Substance Matrix; Hydrocarbons; Petroleum; Acinetobacter baumannii; Bacillus subtilis; Bacteria (microorganisms); Pseudomonas stutzeri; Bacteriology; Biodegradation; Crude oil; Diesel engines; Enzyme activity; Hydrocarbons; Hydrophobicity; Organic pollutants; Phenols; Surface active agents; hydrocarbon; petroleum; Bacillus Subtilis; Bacterial consortium; Biodegradation process; Biodegradation studies; Biosurfactants; Classifieds; Dioxygenases; Enhanced biodegradation; Enzymes activity; Hydrophobic organic pollutants; bacterium; biodegradation; enzyme activity; hydrocarbon; organic pollutant; surfactant; bioremediation; pollutant; Biomolecules | English | 2021 | 2021-11-15 | 10.1016/j.envpol.2021.117956 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Impact of insulin therapy on the mortality of acute heart failure patients with diabetes mellitus | Background Patients with diabetes mellitus (DM) have a higher prevalence of heart failure (HF) than those without it. Approximately 40 % of HF patients have DM and they tend to have poorer outcomes than those without DM. This study evaluated the impact of insulin therapy on mortality among acute HF patients. Methods A total of 1740 patients from the Korean Acute Heart Failure registry with DM were included in this study. The risk of all-cause mortality according to insulin therapy was assessed using the Cox proportional hazard models with inverse probability of treatment weighting to balance the clinical characteristics (pretreatment covariates) between the groups. Results DM patients had been treated with either oral hypoglycemic agents (OHAs) alone (n = 620), insulin alone (n = 682), or insulin combined with OHAs (n = 438). The insulin alone group was associated with an increased mortality risk compared with the OHA alone group (HR = 1.41, 95 % CI 1.21-1.66]). Insulin therapy combined with OHAs also showed an increased mortality risk (HR = 1.29, 95 % CI 1.14-1.46) compared with the OHA alone group. Insulin therapy was consistently associated with increased mortality risk, regardless of the left ventricular ejection fraction (LVEF) or HF etiology. A significant increase in mortality was observed in patients with good glycemic control (HbA1c = 7.0%). Conclusions Insulin therapy was found to be associated with increased mortality compared to OHAs. The insulin therapy was harmful especially in patients with low HbA1c levels which may suggest the necessity of specific management strategies and blood sugar targets when using insulin in patients with HF. | Jang, Se Yong; Jang, Jieun; Yang, Dong Heon; Cho, Hyun-Jai; Lim, Soo; Jeon, Eun-Seok; Lee, Sang Eun; Kim, Jae-Joong; Kang, Seok-Min; Baek, Sang Hong; Cho, Myeong-Chan; Choi, Dong-Ju; Yoo, Byung-Su; Kim, Kye Hun; Park, Sue K.; Lee, Hae-Young | Kyungpook Natl Univ, Sch Med, Dept Internal Med, Daegu, South Korea; Korea Univ, Coll Med, Dept Prevent Med, Seoul, South Korea; Seoul Natl Univ Hosp, Dept Internal Med, Seoul, South Korea; Seoul Natl Univ, Bundang Hosp, Dept Internal Med, Seongnam, South Korea; Sungkyunkwan Univ, Coll Med, Dept Internal Med, Seoul, South Korea; Univ Ulsan, Coll Med, Asan Med Ctr, Dept Internal Med, Seoul, South Korea; Yonsei Univ, Coll Med, Dept Internal Med, Seoul, South Korea; Catholic Univ Korea, Coll Med, Dept Internal Med, Seoul, South Korea; Chungbuk Natl Univ, Coll Med, Dept Internal Med, Cheongju, South Korea; Yonsei Univ, Wonju Coll Med, Dept Internal Med, Wonju, South Korea; Chonnam Natl Univ, Heart Res Ctr, Dept Internal Med, Gwangju, South Korea; Seoul Natl Univ, Coll Med, Dept Prevent Med, Seoul, South Korea; Seoul Natl Univ, Grad Sch, Dept Integrated Major Innovat Med Sci, Seoul, South Korea; Seoul Natl Univ, Grad Sch, Canc Res Inst, Seoul, South Korea; Seoul Natl Univ, Coll Med, Dept Internal Med, Div Cardiol, 101 Daehak Ro, Seoul 03080, South Korea | choi, jo/O-5940-2014; Lim, Soo/AAU-8107-2020; Choi, Dong-Ju/J-5686-2012; Jeong, Gi/AAB-2830-2021; LEE, JI/L-6920-2013 | 57207977889; 57198251721; 35277423400; 35285421400; 26660890200; 7004279641; 57207065107; 36065764100; 7405685375; 7201371594; 7401727518; 35274349200; 7102851884; 56150430800; 8085325400; 56151235500 | hylee612@snu.ac.kr; | CARDIOVASCULAR DIABETOLOGY | CARDIOVASC DIABETOL | 1475-2840 | 20 | 1 | SCIE | CARDIAC & CARDIOVASCULAR SYSTEMS;ENDOCRINOLOGY & METABOLISM | 2021 | 8.949 | 9.9 | 1.03 | 2025-07-30 | 11 | 13 | Insulin; Diabetes mellitus; Heart failure; Mortality | EJECTION FRACTION; OLDER PATIENTS; ASSOCIATION; TRIAL; CANDESARTAN; INHIBITORS; ENALAPRIL; OUTCOMES | Diabetes mellitus; Heart failure; Insulin; Mortality | Acute Disease; Aged; Aged, 80 and over; Biomarkers; Blood Glucose; Diabetes Mellitus; Female; Glycated Hemoglobin A; Glycemic Control; Heart Failure; Humans; Hypoglycemic Agents; Insulin; Male; Middle Aged; Prospective Studies; Registries; Republic of Korea; Risk Assessment; Risk Factors; Time Factors; Treatment Outcome; antidiabetic agent; hemoglobin A1c; insulin; antidiabetic agent; biological marker; glycosylated hemoglobin; hemoglobin A1c protein, human; insulin; acute heart failure; aged; all cause mortality; Article; cardiovascular mortality; cohort analysis; diabetes mellitus; female; glycemic control; heart left ventricle ejection fraction; human; insulin treatment; major clinical study; male; mortality risk; prospective study; acute disease; adverse event; blood; clinical trial; comparative study; diabetes mellitus; drug effect; glucose blood level; glycemic control; heart failure; metabolism; middle aged; mortality; multicenter study; pathophysiology; register; risk assessment; risk factor; South Korea; time factor; treatment outcome; very elderly | English | 2021 | 2021-09-08 | 10.1186/s12933-021-01370-y | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Investigation of magnetic silica nanocomposite immobilized Pseudomonas fluorescens as a biosorbent for the effective sequestration of Rhodamine B from aqueous systems | In the current research work, a novel eco-friendly Fe3O4@SiO2 nanocomposite immobilized with Pseudomonas fluorescens biomass in calcium alginate beads (MSAB) was used as biosorbent for the elimination of hazardous Rhodamine B dye from aqueous system. The FTIR, XRD and SEM results showed that the MSAB possessed excellent surface properties for the effective sequestration of Rhodamine B. The batch adsorption results concluded that the adsorption of Rhodamine B using MSAB is highly influenced by the parameters such as pH, adsorbent dosage, initial dye concentration and contact time. The equilibrium and kinetics data get best fitted in the Freundlich isotherm and Pseudo first order kinetics for the studied adsorption system. The Langmuir monolayer adsorption capacity was found to be 229.6 mg/g. The thermodynamic studies showed that the adsorption was spontaneous, feasible and exothermic in nature. The adsorption mechanisms are understood using the Intraparticle diffusion and Boyd model. Thus, this Magnetic silica alginate beads (MSAB) containing dead biomass of Pseudomonas fluorescens is considered to be an ideal biosorbent which can be used as an effective tool in treating the industrial dye wastewater treatment. (C) 2020 Elsevier Ltd. All rights reserved. | Joshiba, G. Janet; Kumar, P. Senthil; Govarthanan, M.; Ngueagni, P. Tsopbou; Abilarasu, A.; Carolin, Femina C. | Sri Sivasubramaniya Nadar Coll Engn, Dept Chem Engn, Chennai 603110, Tamil Nadu, India; Kyungpook Natl Univ, Dept Environm Engn, Daegu 41566, South Korea | Govarthanan, Muthusamy/C-1491-2014; Joshiba, Janet/GRE-7897-2022; Senthil Kumar, P./D-1869-2012; Carolin, Femina/CAI-9324-2022; Muthusamy, Govarthanan/C-1491-2014 | 57194407384; 24074610000; 54881927600; 57211958971; 56374727600; 57193747574 | senthilkumarp@ssn.edu.in; | ENVIRONMENTAL POLLUTION | ENVIRON POLLUT | 0269-7491 | 1873-6424 | 269 | SCIE | ENVIRONMENTAL SCIENCES | 2021 | 9.988 | 9.9 | 4.7 | 2025-07-30 | 77 | 79 | Nanocomposite; Biosorbent; Pseudomonas fluorescens; Rhodamine B; Eco-friendly; Water pollution | ADSORPTIVE REMOVAL; WASTE-WATER; DYE; EQUILIBRIUM; MECHANISM | Biosorbent; Eco-friendly; Nanocomposite; Pseudomonas fluorescens; Rhodamine B; Water pollution | Adsorption; Hydrogen-Ion Concentration; Kinetics; Magnetic Phenomena; Nanocomposites; Pseudomonas fluorescens; Rhodamines; Silicon Dioxide; Thermodynamics; Water Pollutants, Chemical; Pseudomonas fluorescens; Adsorption; Bacteria; Biohazards; Industrial water treatment; Iron oxides; Magnetism; Magnetite; Monolayers; Nanocomposites; Silica; SiO2 nanoparticles; Wastewater treatment; calcium alginate; dye; magnetic nanoparticle; rhodamine B; silica nanoparticle; nanocomposite; rhodamine; rhodamine B; silicon dioxide; Calcium alginate beads; Dye wastewater treatments; Equilibrium and kinetics; Initial dye concentration; Intra-particle diffusion; Langmuir monolayer adsorptions; Pseudo first-order kinetics; Pseudomonas fluorescens; adsorption; bacterium; dye; nanocomposite; reaction kinetics; silica; thermodynamics; wastewater treatment; water pollution; adsorption; aqueous solution; Article; biomass; coating (procedure); concentration (parameter); contact time; controlled study; Fourier transform infrared spectroscopy; immobilization; metabolism; nonhuman; pH; Pseudomonas fluorescens; scanning electron microscopy; thermodynamics; water pollution; X ray diffraction; kinetics; magnetism; Pseudomonas fluorescens; water pollutant; Rhodamine B | English | 2021 | 2021-01-15 | 10.1016/j.envpol.2020.116173 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Molecular mechanisms of developmental toxicities of azoxystrobin and pyraclostrobin toward zebrafish (Danio rerio) embryos: Visualization of abnormal development using two transgenic lines | Azoxystrobin (AZ) and pyraclostrobin (PY) are strobilurin fungicides that inhibit fungal mitochondrial respiration. In this study, a representative model, zebrafish (Danio rerio), was used as a test species for acute and developmental toxicity. Survival and malformation rates were observed only PY-treated embryos, with an LC50 value of 77.75 ppb accompanied by a dramatic decrease in hatching rate, while AZ did not show great mortality. Morphological changes were observed in PY-treated embryos with the occurrence of pericadial edema at 25 ppb. A delay in growth was observed after treatment with pyraclostrobin at 50 ppb. Use of genetically engineered Tg(cmlc:EGFP) allowed fluorescence observation during heart development. PY interfered with normal heart development via upregulation of the nppa gene responsible for the expression of natriuretic peptides. Heart function was dramatically reduced as indicated by reduced heart rates. Increased expression of the nppa gene was also seen in AZ-treated embryos. The expression level of cyp24a1 was also up-regulated, while ugt1a1 and sult1st6 were down-regulated after treatment of zebrafish embryos with AZ or PY. Overall, strobilurin fungicides might inhibit normal heart formation and function within the range of concentrations tested. (C) 2020 Elsevier Ltd. All rights reserved. | Kim, Chaeeun; Choe, Hyeseung; Park, Jungeun; Kim, Gayoung; Kim, Kyeongnam; Jeon, Hwang-Ju; Moon, Joon-Kwan; Kim, Myoung-Jin; Lee, Sung-Eun | Kyungpook Natl Univ, Dept Integrat Biol, Daegu 41566, South Korea; Kyungpook Natl Univ, Sch Appl Biosci, Daegu 41566, South Korea; Hankyong Natl Univ, Dept Plant Life & Environm Sci, Ansung 17579, South Korea | Jeon, Hwangju/JDW-9035-2023; Kim, Kyeongnam/KSM-2719-2024 | 57200245142; 57209466586; 58363479900; 57211274816; 57191364349; 56328792200; 8536720000; 57191626729; 55890041600 | selpest@knu.ac.kr; | ENVIRONMENTAL POLLUTION | ENVIRON POLLUT | 0269-7491 | 1873-6424 | 270 | SCIE | ENVIRONMENTAL SCIENCES | 2021 | 9.988 | 9.9 | 1.8 | 2025-07-30 | 33 | 35 | Azoxystrobin; Pyraclostrobin; Heart malformation; Transgenic zebrafishes | MITOCHONDRIAL DYSFUNCTION; NATRIURETIC PEPTIDES; GENE-EXPRESSION; SULFOTRANSFERASES; STROBILURINS; PREGNANCY; CYP24A1; FISH | Azoxystrobin; Heart malformation; Pyraclostrobin; Transgenic zebrafishes | Animals; Embryo, Nonmammalian; Pyrimidines; Strobilurins; Water Pollutants, Chemical; Zebrafish; Danio rerio; Fungicides; Genes; Heart; Toxicity; azoxystrobin; colecalciferol 24 hydroxylase; glucuronosyltransferase 1A1; natriuretic factor; pyraclostrobin; strobilurin; azoxystrobin; pyrachlostrobin; pyrimidine derivative; strobilurin; Developmental toxicity; Expression levels; Heart development; Mitochondrial respiration; Molecular mechanism; Morphological changes; Natriuretic peptides; Zebrafish embryos; abnormality; azoxystrobin; cyprinid; embryo; gene expression; molecular analysis; survival; toxicity; visualization; adult; animal experiment; animal tissue; congenital heart malformation; controlled study; cyp24a1 gene; developmental delay; developmental toxicity; down regulation; embryo; female; fluorescence; gene; gene expression level; gene function; genetic engineering; hatching; heart development; heart edema; heart function; heart rate; LC50; male; molecular pathology; morphological trait; mortality; nonhuman; nppa gene; protein expression; sult1st6 gene; survival analysis; toxicity testing; transgenics; ugt1a1 gene; upregulation; zebra fish; animal; nonmammalian embryo; water pollutant; Plants (botany) | English | 2021 | 2021-02-01 | 10.1016/j.envpol.2020.116087 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Multigeneration toxicity of Geunsami® (a glyphosate-based herbicide) to Allonychiurus kimi (Lee) (Collembola) from sub-individual to population levels | Glyphosate-based herbicide (GBH) is the most widely used herbicide worldwide and has long been considered to have significantly low toxicity to non-target soil invertebrates based on short-term toxicity tests (<56 d). However, long-term GBH toxicity assessment is necessary as GBH is repeatedly applied in the same field annually because of the advent of glyphosate-resistant crops. In this study, a multigeneration test was conducted where Allonychiurus kimi (Collembola) was exposed to GBH for three generations (referred to as F-0, F-1, and F-2) to evaluate the long-term toxic effect. The endpoints used were adult survival and juvenile production for the individual level toxicity assessment. Phospholipid profile and population age structure were the endpoints used for sub-individual and population levels, respectively. GBH was observed to have no negative effects on adult survivals of all generations, but juvenile production was found to decrease in a concentration-dependent manner, with EC(50)s being estimated as 572.5, 274.8, and 59.8 mg a.i. kg(-1) in the F-0, F-1, and F-2 generations, respectively. The age structure of A. kimi population produced in the test of all generations was altered by GBH exposure, mainly because of the decrease in the number of young juveniles. Further, differences between the phospholipid profiles of the control and GBH treatments became apparent over generations, with PA 16:0, PA 12:0, and PS 42:0 lipids not being detected at the highest concentration of 741 mg kg(-1) in F-2. Considering all our findings from sub-individual to population levels, repeated and long-term use of GBH could have significantly higher negative impacts on non-target soil organisms than expected. | Wee, June; Lee, Yun-Sik; Kim, Yongeun; Lee, Yong Ho; Lee, Sung-Eun; Hyun, Seunghun; Cho, Kijong | Korea Univ, O Jeong Ecoresilience Inst, Seoul 02841, South Korea; Korea Univ, Dept Environm Sci & Ecol Engn, Seoul 02841, South Korea; Hankyong Natl Univ, Inst Ecol Phytochem, Ansung 17579, South Korea; Kyungpook Natl Univ, Dept Appl Biosci, Daegu 41566, South Korea | HYUN, SEUNGHUN/KAM-6088-2024; Lee, Yun-Sik/GMU-0783-2022 | 57202847852; 37003744200; 16039636600; 57201926028; 55890041600; 55542725800; 7403957279 | kjcho@korea.ac.kr; | ENVIRONMENTAL POLLUTION | ENVIRON POLLUT | 0269-7491 | 1873-6424 | 291 | SCIE | ENVIRONMENTAL SCIENCES | 2021 | 9.988 | 9.9 | 0.32 | 2025-07-30 | 6 | 6 | Herbicide; Risk assessment; Multigeneration; Transgenerational effect; Phospholipids | FOLSOMIA-CANDIDA; RISK-ASSESSMENT; COMMUNITY STRUCTURE; MICROBIAL ACTIVITY; SOIL; EXPOSURE; REPRODUCTION; AVOIDANCE; RESIDUE; FIELD | Herbicide; Multigeneration; Phospholipids; Risk assessment; Transgenerational effect | Animals; Arthropods; Glycine; Herbicides; Toxicity Tests; Collembola; Invertebrata; Herbicides; Phospholipids; Toxicity; Weed control; Geunsami; glyphosate; herbicide; phospholipid; unclassified drug; glycine; glyphosate; herbicide; Collembola; Glyphosates; Herbicide; Individual levels; Juvenile productions; Multi generations; Population levels; Risks assessments; Toxicity assessment; Transgenerational effect; age structure; arthropod; herbicide; juvenile; nontarget organism; phospholipid; population decline; population dynamics; risk assessment; toxicity; adult; Article; Collembola; concentration (parameter); controlled study; EC50; juvenile animal; lipid fingerprinting; long term exposure; multigeneration toxicity testing; nonhuman; population structure; risk assessment; soil organism; survival; toxicity testing; animal; arthropod; toxicity testing; Risk assessment | English | 2021 | 2021-12-15 | 10.1016/j.envpol.2021.118172 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Optimization of N doping in TiO2 nanotubes for the enhanced solar light mediated photocatalytic H2 production and dye degradation | Herein, we report the optimization of nitrogen (N) doping in TiO2 nanotubes to achieve the enhanced photocatalytic efficiencies in degradation of dye and H-2 gas evolution under solar light exposure. TiO2 nanotubes have been produced via hydrothermal process and N doping has been tuned by varying the concentration of urea, being the source for N, by solid-state dispersion process. The structural analysis using XRD showed the characteristic occupancy of N into the structure of TiO2 and the XPS studies showed the existence of Ti-N-Ti network in the N-doped TiO2 nanotubes. The obtained TEM images showed the formation of 1D tube-like structure of TiO2. Diffuse reflectance UV-Vis absorption spectra demonstrated that the N-doped TiO2 nanotubes can efficiently absorb the photons of UV-Vis light of the solar light. The optimized N-doped TiO2 nanotubes (TiO2 nanotubes vs urea @ 1:1 ratio) showed the highest degradation efficiency over methyl orange dye (similar to 91% in 90 min) and showed the highest rate of H-2 evolution (similar to 19,848 mu mol h(-1).g(-1)) under solar light irradiation. Further, the recyclability studies indicated the excellent stability of the photocatalyst for the durable use in both the photocatalytic processes. The observed efficiency was ascribed to the optimized doping of N-atoms into the lattices of TiO2, which enhanced the optical properties by forming new energy levels of N atoms near the valence band maximum of TiO2, thereby increased the overall charge separation and recombination resistance in the system. The improved reusability of photocatalyst is attributed to the doping-induced structural stability in N-doped TiO2. From the observed results, it has been recognized that the established strategy could be promising for synthesizing N-doped TiO2 nanotubes with favorable structural, optical and photocatalytic properties towards dye degradation and hydrogen production applications. (C) 2020 Elsevier Ltd. All rights reserved. | Divyasri, Yadala Venkata; Reddy, Nagappagari Lakshmana; Lee, Kiyoung; Sakar, M.; Rao, Vempuluru Navakoteswara; Venkatramu, Vemula; Shankar, Muthukonda Venkatakrishnan; Reddy, Nallagondu Chinna Gangi | Yogi Vemana Univ, Dept Chem, Kadapa 516005, Andhra Pradesh, India; Kyungpook Natl Univ, Sch Nano & Mat Sci & Engn, Dept Energy Chem Engn, 2559 Gyeongsangdaero, Sangju 2559, South Korea; Jain Univ, Ctr Nano & Mat Sci, Bangalore 562112, Karnataka, India; Yogi Vemana Univ, Dept Mat Sci & Nanotechnol, Nanocatalysis & Solar Fuels Res Lab, Kadapa 516005, Andhra Pradesh, India; Yogi Vemana Univ, Dept Phys, Kadapa 516005, Andhra Pradesh, India; Krishna Univ, Dept Phys, Dr MRAR PG Ctr, Nuzvid 521201, Andhra Pradesh, India | ; Nagappagari, Lakshmana Reddy/K-2238-2019; Venkatakrishnan, Shankar/AAC-1460-2019; Lee, Kiyoung/J-8680-2013; Mohan, Sakar/O-3903-2017; N, Dr. Lakshmana Reddy/K-2238-2019; Muthukonds Venkatakrishnan, Shankar/AAC-1460-2019; Rao, Vempuluru/ABG-8665-2021 | 57220868908; 56499352000; 57219211501; 55911754000; 57196196615; 8216985700; 7005167181; 12804571700 | ncgreddy@yogivemanauniversity.ac.in; | ENVIRONMENTAL POLLUTION | ENVIRON POLLUT | 0269-7491 | 1873-6424 | 269 | SCIE | ENVIRONMENTAL SCIENCES | 2021 | 9.988 | 9.9 | 3.93 | 2025-07-30 | 65 | 70 | Photocatalysis; TiO2; Nanotubes; Doping; Dye degradation; Hydrogen production | CO-DOPED TIO2; TITANIUM-DIOXIDE NANOMATERIALS; VISIBLE-LIGHT; HYDROGEN-PRODUCTION; FACILE SYNTHESIS; COMPOSITE PHOTOCATALYST; WATER; NANOPARTICLES; FABRICATION; PHOTODEGRADATION | Doping; Dye degradation; Hydrogen production; Nanotubes; Photocatalysis; TiO<sub>2</sub> | Catalysis; Light; Nanotubes; Titanium; Azo dyes; Degradation; Doping (additives); Hydrogen production; Metabolism; Nanotubes; Optical lattices; Optical properties; Photocatalytic activity; Reusability; Stability; Titanium dioxide; Titanium metallography; Urea; dye; methyl orange; nanotube; nitrogen; titanium dioxide nanoparticle; urea; titanium; titanium dioxide; Degradation efficiency; Photocatalytic dye degradations; Photocatalytic efficiency; Photocatalytic process; Photocatalytic property; Solar light irradiation; Solid-state dispersion; Structural stabilities; catalysis; degradation; dye; hydrogen; nanotube; nitrogen; optimization; photochemistry; solar power; titanium; transmission electron microscopy; Article; crystal structure; decolorization; dispersion; hydrogen evolution; light exposure; photocatalysis; photodegradation; photon; solar radiation; surface property; transmission electron microscopy; ultraviolet visible spectroscopy; X ray diffraction; catalysis; light; Oxide minerals | English | 2021 | 2021-01-15 | 10.1016/j.envpol.2020.116170 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Phycoremediation of wastewater for pollutant removal: A green approach to environmental protection and long-term remediation | Surface and water bodies in many parts of the world are affected due to eutrophication, contamination and depletion. The approach of wastewater treatment using algae for eliminating nutrients and other pollutants from domestic wastewater is growing interest among the researchers. However, sustainable treatment of the wastewater is considered to be important in establishing more effective nutrient and pollutant reduction using algal systems. In comparison to the conventional method of remediation, there are opportunities to commercially viable businesses interest with phycoremediation, thus by achieving cost reductions and renewable bioenergy options. Phycoremediation is an intriguing stage for treating wastewater since it provides tertiary bio-treatment while producing potentially valuable biomass that may be used for a variety of applications. Furthermore, the phycoremediation provides the ability to remove heavy metals as well as harmful organic substances, without producing secondary contamination. In this review, the role of microalgae in treating different wastewaters and the process parameters affecting the treatment and future scope of research have been discussed. Though several algae are employed for wastewater treatment, species of the genera Chlamydomonas, Chlorella, and Scenedesmus are extensively utilized. Interestingly, there is a vast scope for employing algal species with high flocculation capacity and adsorption mechanisms for the elimination of microplastics. In addition, the algal biomass generated during phycoremediation has been found to possess high protein and lipid contents, promising their exploitation in biofuel, food and animal feed industries. | Priyadharshini, Stephen Dayana; Babu, Palanisamy Suresh; Manikandan, Sivasubramanian; Subbaiya, Ramasamy; Govarthanan, Muthusamy; Karmegam, Natchimuthu | Natl Inst Technol Alumnus, Tiruchirappalli 620015, Tamil Nadu, India; Saveetha Inst Med & Tech Sci SIMATS, Saveetha Sch Engn, Dept Biotechnol, Saveetha Nagar, Chennai 602105, Tamil Nadu, India; UCSI Univ, Fac Pharmaceut Sci, Kuala Lumpur 56000, Malaysia; Copperbelt Univ, Sch Math & Nat Sci, Dept Biol Sci, Jambo Dr,POB 21692, Riverside, CA, Zambia; Kyungpook Natl Univ, Dept Environm Engn, Daegu 41566, South Korea; Govt Arts Coll Autonomous, Dept Bot, Salem 636007, Tamil Nadu, India | PALANISAMY, SURESH BABU/AAH-4523-2019; Karmegam, Natchimuthu/J-4745-2019; Govarthanan, Muthusamy/C-1491-2014; Natchimuthu, Karmegam/J-4745-2019; Subbaiya, R/AAR-2948-2021; Stephen, Dayana/M-7324-2019; Muthusamy, Govarthanan/C-1491-2014; S, Manikandan/GZM-7135-2022 | 57193860124; 57226597886; 55213168500; 55263515700; 54881927600; 6506043230 | kanishkarmegam@gmail.com; | ENVIRONMENTAL POLLUTION | ENVIRON POLLUT | 0269-7491 | 1873-6424 | 290 | SCIE | ENVIRONMENTAL SCIENCES | 2021 | 9.988 | 9.9 | 3.99 | 2025-07-30 | 140 | 179 | Algae; Biodegradation; Pollutant removal; Phycoremediation; Wastewater treatment | GROWTH-PROMOTING BACTERIUM; NUTRIENT REMOVAL; CHLORELLA-VULGARIS; BIOMASS PRODUCTION; MICROALGAL CONSORTIA; SYNERGISTIC APPROACH; BIODIESEL PRODUCTION; LIPID-ACCUMULATION; SCENEDESMUS-ACUTUS; EFFLUENT TREATMENT | Algae; Biodegradation; Phycoremediation; Pollutant removal; Wastewater treatment | Animals; Biodegradation, Environmental; Biomass; Chlorella; Environmental Pollutants; Microalgae; Plastics; Waste Water; Chlamydomonas; Scenedesmus; Algae; Biodegradation; Biomass; Cost reduction; Eutrophication; Heavy metals; Nutrients; Pollution; Reclamation; plastic; % reductions; Bio-energy; Conventional methods; Costs reduction; Domestic wastewater; Phycoremediation; Pollutants removal; Surface bodies; Sustainable treatments; Waterbodies; algal bloom; biodegradation; experimental study; laboratory method; pollutant removal; removal experiment; wastewater treatment; animal; biomass; bioremediation; Chlorella; microalga; pollutant; wastewater; Wastewater treatment | English | 2021 | 2021-12-01 | 10.1016/j.envpol.2021.117989 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Synthesis and characterization of defective UiO-66 for efficient co-immobilization of arsenate and fluoride from single/binary solutions | Here, we aimed to synthesize UiO-66 architected fumaric acid mediated lanthanum (La-fum), zirconium (Zr-fum), and cerium (Ce-fum) metal-organic frameworks (MOFs) for co-immobilizations of both arse-nate and fluoride from both single and binary systems. The crystalline behavior of Zr-fum MOF was the lowest compared to the other two forms, due to the fact that it required a modulator support as the nucleus growth nature of zirconium moiety is different. The Langmuir maximum adsorption densities of arsenate (fluoride) were 2.689 (4.240), 1.666 (2.255), and 2.174 (4.155) mmol/g for La-fum, Zr-fum, and Ce-fum, respectively and these adsorption densities were found to have record-high values compared with the existing materials in the literature. The arsenate and fluoride adsorption on the MOF materials were confirmed by XPS, PXRD and FTIR studies. The arsenate adsorption mechanism on La-fum and Ce-fum through monodentate complexation confirmed using the distinguished K-edge shell distance in EXAFS studies. The arsenate and fluoride-sorbed materials were recycled using 0.01 M HNO3 and were further utilized for six consecutive cycles for both arsenate and fluoride adsorption indicated the feasibility of the materials. This kind of facile and easy solvothermal synthesized MOFs could pave away towards the removal of toxins in a practical wastewater as these have superior adsorption properties, stability and reusability. (C) 2021 Elsevier Ltd. All rights reserved. | Prabhu, Subbaiah Muthu; Chuaicham, Chitiphon; Park, Chang Min; Jeon, Byoung-Hun; Sasaki, Keiko | Kyushu Univ, Fac Engn, Dept Earth Resources Engn, Fukuoka 8190395, Japan; Hanyang Univ, Dept Earth Resources & Environm Engn, 222 Wangsimni Ro, Seoul 04763, South Korea; Kyungpook Natl Univ, Dept Environm Engn, 80 Daehak Ro, Daegu 41566, South Korea | ; Park, Chang Min/CAA-8506-2022; Jeon, Byong-Hun/AAF-4352-2020; Sasaki, Keiko/AAT-3678-2020; Muthu Prabhu, Subbaiah/AFN-4547-2022 | 7101753878; 56728836200; 57209588953; 57653536800; 54894823000 | smprabhu@hanyang.ac.kr;keikos@mine.kyushu-u.ac.jp; | ENVIRONMENTAL POLLUTION | ENVIRON POLLUT | 0269-7491 | 1873-6424 | 278 | SCIE | ENVIRONMENTAL SCIENCES | 2021 | 9.988 | 9.9 | 2.32 | 2025-07-30 | 40 | 41 | Metal-organic frameworks; Single/binary system; Arsenic-fluoride; EXAFS study | METAL-ORGANIC FRAMEWORK; ZEOLITIC IMIDAZOLATE FRAMEWORK-8; LAYERED DOUBLE HYDROXIDE; GASEOUS TOLUENE; PHOTOCATALYTIC DEGRADATION; MECHANISTIC APPROACH; AQUEOUS-SOLUTION; REMOVAL; ADSORPTION; TETRACYCLINE | Arsenic-fluoride; EXAFS study; Metal-organic frameworks; Single/binary system | Adsorption; Arsenates; Fluorides; Metal-Organic Frameworks; Waste Water; Crystalline materials; Defects; Fluorine compounds; arsenic acid; cerium; fluoride; fumaric acid; lanthanum; metal organic framework; zirconium derivative; arsenic acid derivative; fluoride; metal organic framework; Adsorption densities; Arsenate adsorption; Arsenic-fluoride; Binary solutions; Coimmobilization; EXAFS studies; Fluoride adsorptions; Metal-organic-frameworks; Single/binary system; Synthesis and characterizations; adsorption; arsenate; arsenic; fluoride; immobilization; wastewater treatment; X-ray spectroscopy; adsorption; Article; complex formation; immobilization; pollution; synthesis; waste component removal; waste water management; adsorption; wastewater; Organometallics | English | 2021 | 2021-06-01 | 10.1016/j.envpol.2021.116841 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Cardiovascular risk of nonsteroidal anti-inflammatory drugs in dialysis patients: a nationwide population-based study | Background. Given the cardiovascular risk of nonsteroidal anti-inflammatory drugs (NSAIDs), it is essential to identify the relationship between NSAIDs and cardiovascular outcomes in dialysis patients who have elevated cardiovascular risk. Methods. A case-crossover study was conducted to assess the association of NSAIDs with major adverse cardiac and cerebrovascular events (MACCEs) and mortality using the Korean Health Insurance dataset. The case period was defined as 1-30 days prior to the event date and the control periods were defined as 61-90 days and 91-120 days prior to the event date. Results. There were 3433 and 8524 incident dialysis patients who experienced MACCEs and mortality, respectively, after exposure to NSAIDs within 120 days before each event. NSAIDs significantly increased the risk of MACCEs {adjusted odds ratio [aOR] 1.37 [95% confidence interval (CI) 1.26-1.50]} and mortality [aOR 1.29 (95% CI 1.22-1.36)]. Nonselective NSAIDs, but not selective cyclooxygenase-2 inhibitors, significantly increased the risk of MACCEs and mortality. However, the MACCE and mortality risk did not increase in a dose-dependent manner in the analysis according to the cumulative defined daily dosage of NSAIDs. The incidence of MACCEs in the case period tended to be more common in patients who had recent exposure to NSAIDs than in patients who did not have recent exposure to NSAIDs. Conclusions. Clinicians should be particularly cautious when prescribing NSAIDs to dialysis patients considering the associations of NSAIDs with cardiovascular outcomes and mortality, which might occur independent of the dose and duration of exposure. | Jo, Hyung Ah; Kim, Dong Ki; Park, Seokwoo; Kim, Yaerim; Han, Seung Seok; Yang, Bo Ram; Choi, So-Hyun; Kim, Mi-Sook; Lee, Joongyub; Lee, Hajeong; Lee, Jung Pyo; Lim, Chun Soo; Kim, Yon Su; Joo, Kwon Wook | Seoul Natl Univ, Dept Internal Med, Coll Med, Seoul, South Korea; Inje Univ, Dept Internal Med, Ilsan Paik Hosp, Ilsan, South Korea; Seoul Natl Univ Hosp, Dept Internal Med, Seoul, South Korea; Keimyung Univ, Dept Internal Med, Sch Med, Daegu, South Korea; Seoul Natl Univ Hosp, Med Res Collaborating Ctr, Div Clin Epidemiol, Seoul, South Korea; Kyungpook Natl Univ, Dept Stat, Daegu, South Korea; Inha Univ Hosp, Dept Prevent & Management, Incheon, South Korea; Seoul Natl Univ, Dept Internal Med, Boramae Med Ctr, Seoul, South Korea | Lee, Jun-Young/N-5963-2019; Han, Seung Seok/HGD-2825-2022; Lee, Dong/E-5079-2012; Joo, Kwon/J-5675-2012; Lee, Hyo/G-6299-2019; Kim, Dong Ki/J-5389-2012 | 57964893300; 23479259100; 57197525255; 57202790600; 35242581200; 56386463500; 57217007802; 56376012200; 36196796600; 36554389800; 56028990400; 15019536200; 7410205767; 7101808967 | junephro@gmail.com; | NEPHROLOGY DIALYSIS TRANSPLANTATION | NEPHROL DIAL TRANSPL | 0931-0509 | 1460-2385 | 36 | 5 | SCIE | TRANSPLANTATION;UROLOGY & NEPHROLOGY | 2021 | 7.186 | 10.0 | 0.68 | 2025-07-30 | 5 | 6 | dialysis patients; major adverse cardiac and cerebrovascular events; nonsteroidal anti-inflammatory drugs | SELECTIVE CYCLOOXYGENASE-2 INHIBITORS; ACUTE MYOCARDIAL-INFARCTION; HEMODIALYSIS; MORTALITY; CELECOXIB; PROSTACYCLIN; ASSOCIATION; ROFECOXIB; DEATH; INTERLEUKIN-6 | dialysis patients; major adverse cardiac and cerebrovascular events; nonsteroidal anti-inflammatory drugs | Anti-Inflammatory Agents, Non-Steroidal; Cardiovascular Diseases; Cross-Over Studies; Heart Disease Risk Factors; Humans; Odds Ratio; Pharmaceutical Preparations; Renal Dialysis; Risk Factors; aceclofenac; cyclooxygenase 2 inhibitor; dexibuprofen; diclofenac; nonsteroid antiinflammatory agent; piroxicam; talniflumate; drug; nonsteroid antiinflammatory agent; adult; aged; Article; cardiovascular disease; cardiovascular risk; cerebrovascular accident; cohort analysis; controlled study; crossover procedure; dose response; drug exposure; drug fatality; drug safety; female; health care personnel; health insurance; hemodialysis; human; human cell; incidence; Korea; major clinical study; male; mortality; prescription; cardiovascular disease; hemodialysis; odds ratio; risk factor | English | 2021 | 2021-05 | 10.1093/ndt/gfz276 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | Meeting Abstract | INTERNATIONAL COMPARISONS OF ICODEXTRIN PRESCRIPTION PRACTICE AND ITS ASSOCIATION WITH FLUID REMOVAL, BLOOD PRESSURE, PATIENT AND TECHNIQUE SURVIVAL | Davies, Simon; Zhao, Junhui; McCullough, K. P.; Kim, Yong-Lim; Pisoni, Ronald; Wang, Angela Yee-Moon; Mehrotra, Rajnish; Kanjanabuch, Talerngsak; Kawanishi, Hideki; Robinson, Bruce; Perl, Jeffrey | Keele Univ, Stoke On Trent, Staffs, England; Arbor Res Collaborat Hlth, Ann Arbor, MI USA; Kyungpook Natl Univ Hosp, Sch Med, Daegu, South Korea; Univ Hong Kong, Hong Kong, Peoples R China; Univ Washington, Dept Med, Seattle, WA 98195 USA; Chulalongkorn Univ, Bangkok, Thailand; Tsuchiya Gen Hosp, Hiroshima, Japan; St Michaels Hosp, Toronto, ON, Canada | Wang, Angela/B-9944-2008; Mehrotra, Rajnish/IUN-6202-2023; Kim, Yong-Lim/AGK-3172-2022; McCullough, Keith/AAD-1071-2021; Perl, Jeffrey/HKW-4066-2023 | NEPHROLOGY DIALYSIS TRANSPLANTATION | NEPHROL DIAL TRANSPL | 0931-0509 | 1460-2385 | 36 | SCIE | TRANSPLANTATION;UROLOGY & NEPHROLOGY | 2021 | 7.186 | 10.0 | 0 | English | 2021 | 2021-05 | 바로가기 | 바로가기 | ||||||||||||||||
| ○ | Meeting Abstract | PERITONEAL DIALYSIS TIME ON THERAPY AND REGIONAL DIFFERENCES IN DEATH, TRANSFER TO HEMODIALYSIS AND KIDNEY TRANSPLANTATION: RESULTS FROM THE PDOPPS | Lambie, Mark; Zhao, Junhui; McCullough, K. P.; Davies, Simon; Kawanishi, Hideki; Johnson, David W.; Sloand, James; Sanabria, Mauricio; Kanjanabuch, Talerngsak; Kim, Yong-Lim; Shen, Jenny I.; Pisoni, Ronald; Robinson, Bruce; Perl, Jeffrey | Royal Stoke Univ Hosp, Renal Unit, Stoke On Trent, Staffs, England; Arbor Res Collaborat Hlth, Ann Arbor, MI USA; Keele Univ, Stoke On Trent, Staffs, England; Tsuchiya Gen Hosp, Hiroshima, Japan; Princess Alexandra Hosp, Brisbane, Qld, Australia; AstraZeneca, Gaithersburg, MD USA; RTS Baxter, Bogota, Colombia; Chulalongkorn Univ, Bangkok, Thailand; Kyungpook Natl Univ Hosp, Sch Med, Daegu, South Korea; Univ Calif Los Angeles, LaBiomed Harbor, Torrance, CA USA; St Michaels Hosp, Toronto, ON, Canada | Perl, Jeffrey/HKW-4066-2023; McCullough, Keith/AAD-1071-2021; Kim, Yong-Lim/AGK-3172-2022; Shen, Jenny/JYF-5277-2024; Lambie, Mark/AAA-9104-2020 | NEPHROLOGY DIALYSIS TRANSPLANTATION | NEPHROL DIAL TRANSPL | 0931-0509 | 1460-2385 | 36 | SCIE | TRANSPLANTATION;UROLOGY & NEPHROLOGY | 2021 | 7.186 | 10.0 | 0 | English | 2021 | 2021-05 | 바로가기 | 바로가기 | ||||||||||||||||
| ○ | ○ | Article | Existence of nontopological solutions of the self-dual Einstein-Maxwell-Higgs equations on compact surfaces | In this paper, we show the existence of nontopological solutions to the self-dual Einstein-Maxwell-Higgs equations on a compact surface when the parameter epsilon > 0 is small enough and the total string number N is bigger than two. This improves the previously known results by removing any extra conditions on N. Based on degree theory and blowup analysis, we introduce a new method to obtain nontopological solutions. | Han, Jongmin; Lee, Youngae; Sohn, Juhee | Kyung Hee Univ, Dept Math, Seoul 130701, South Korea; Kyungpook Natl Univ, Teachers Coll, Dept Math Educ, Daegu, South Korea; Kookmin Univ, Coll Gen Educ, Seoul 02707, South Korea | Lee, Youngae/GPG-2128-2022 | 7406441948; 58239646700; 57198426780 | jmhan@khu.ac.kr;youngaelee@lmu.ac.kr;jhson37@kookmin.ac.kr; | CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS | CALC VAR PARTIAL DIF | 0944-2669 | 1432-0835 | 60 | 3 | SCIE | MATHEMATICS, APPLIED;MATHEMATICS | 2021 | 2.079 | 10.1 | 0.45 | 2025-07-30 | 4 | 4 | Self-dual Einstein-Maxwell-Higgs equation; Existence of solutions | CHERN-SIMONS MODEL; MULTIVORTEX SOLUTIONS; STRING SOLUTIONS; VORTICES | Existence of solutions; Self-dual Einstein-Maxwell-Higgs equation | English | 2021 | 2021-06 | 10.1007/s00526-021-01952-4 | 바로가기 | 바로가기 | 바로가기 | 바로가기 |
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