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You searched for: Subject chloramphenicol Remove constraint Subject: chloramphenicol Subject term air Remove constraint Subject term: air
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1. A Selective Medium for the Recovery and Enumeration of Fomitopsis meliae, Causing Lemon Canker and Brown Wood Rot

Author:
Jiahuai Hu
Source:
Plant health progress 2022 v.23 no.2 pp. 212-220
ISSN:
1535-1025
Subject:
Fomitopsis; agar; air; air sampling; chloramphenicol; decayed wood; epidemiology; fludioxonil; fluopyram; inoculum; lemons; malt extract; pH; peptones; saprophytes; selective media; soil; spores; streptomycin; thiophanate-methyl
Abstract:
... A selective medium was developed for the isolation and quantification of Fomitopsis meliae (FMS medium), the causal agent of lemon canker and brown wood rot, from plants, soil, and air. The optimal concentration and combination of fungicides and antibiotics was evaluated to determine the most selective condition for growing F. meliae. The resultant composition of the FMS medium per liter (pH 3.5) ...
DOI:
10.1094/PHP-10-21-0124-RS

2. Visible-light-driven photocatalytic degradation of dye and antibiotics by activated biochar composited with K+ doped g-C3N4: Effects, mechanisms, actual wastewater treatment and disinfection

Author:
Tongtong Wang; Jiyong Zheng; Jinjun Cai; Qiangqiang Liu; Xianxia Zhang
Source:
Science of the total environment 2022 v.839 pp. 155955
ISSN:
0048-9697
Subject:
Escherichia coli; absorption; adsorption; air; biochar; carbon nitride; chloramphenicol; disinfection; dyes; graphene; light; norfloxacin; photocatalysis; photocatalysts; photolysis; rhodamines; surface area; tetracycline; wastewater; wastewater treatment
Abstract:
... To improve the performance of graphitic carbon nitride (g-C₃N₄), a hotly researched metal-free photocatalyst, for better application in the efficient removal of organic pollutants, adsorption synergistically enhanced photocatalysis mechanism was thoroughly explored. Based on KOH pore-forming activated biochar (ACB) and K⁺ doped g-C₃N₄ (K-gC₃N₄), the novel activated biochar-based K-gC₃N₄ composite ...
DOI:
10.1016/j.scitotenv.2022.155955

3. Antimicrobial Resistance and Molecular Characterization of Class 1 Integron in Salmonella Isolates Recovered from Pig Farms in Chongqing, China

Author:
Chao Ye; Dongyi Xu; Jing Chen; Fengqing Hou; Yu Wang; Yuwei Xu; Zheng Zeng; Yuanyi Peng; Dong-Liang Hu; Rendong Fang
Source:
Foodborne pathogens & disease 2021 v.18 no.10 pp. 712-717
ISSN:
1556-7125
Subject:
Salmonella; air; ampicillin; antibiotic resistance; chloramphenicol; humans; phenotype; pork; prevalence; public health; resistance genes; salmonellosis; swine; tetracycline; trimethoprim; water; China
Abstract:
... Salmonella is considered one of the leading causes for foodborne diseases in humans. Pork and its products contaminated with Salmonella are increasingly recognized as an important source of human salmonellosis. The aim of this study was to investigate the antimicrobial resistance and prevalence of integrons in Salmonella isolates from pig farms. In total, 92 of 724 (12.7%) samples were Salmonella- ...
DOI:
10.1089/fpd.2020.2881

4. Green synthesis of niflumic acid complexes with some transition metal ions (Mn(II), Fe(III), Co(II), Ni(II), Cu(II) and Zn(II)). Spectroscopic, thermoanalytical and antibacterial studies

Author:
Lidia Zapała; Małgorzata Kosińska-Pezda; Łukasz Byczyński; Wojciech Zapała; Urszula Maciołek; Elżbieta Woźnicka; Ewa Ciszkowicz; Katarzyna Lecka-Szlachta
Source:
Thermochimica acta 2021 v.696 pp. 178814
ISSN:
0040-6031
Subject:
Escherichia coli; Gram-positive bacteria; air; antibacterial properties; behavior; chloramphenicol; kanamycin; ligands; metal ions; minimum inhibitory concentration; nitrogen; oxidation; physicochemical properties; pyrolysis; spectroscopy; synthesis; titration
Abstract:
... New complexes of Mn(II), Fe(III), Co(II), Ni(II), Cu(II) and Zn(II) ions with niflumic acid (Hnif) were obtained in solid state using a green synthesis method and their physico-chemical properties, thermoanalytical behaviour in air and nitrogen as well as antibacterial activity were studied. Employing the results of elemental analysis (EA), complexometric titration with EDTA and TG/DTG-DSC analysi ...
DOI:
10.1016/j.tca.2020.178814

5. Warrior's armor: Study on the aging of sulfidated micro-sized zero valent iron in air and its subsequent reactivity for chloramphenicol degradation in different acid systems

Author:
Qi Xiu; Shan Zhao; Xiaowei Yang; Shiwen Sun; Yinshun Dai; Liangfeng Duan; Lin He; Maoxia He; Chao Song; Shuguang Wang
Source:
Chemosphere 2021 v.285 pp. 131422
ISSN:
0045-6535
Subject:
air; aqueous solutions; chloramphenicol; citric acid; iron; oxidation; pH; sulfuric acid
Abstract:
... In the practical application process, the reactivity and performance of ZVI-based materials when being placed in the air for a few days, weeks or months was worth studying. Most studies on the aging of ZVI were carried out in solution, only considering the reactivity of ZVI in aqueous solution. In this work, we investigated the degradation of chloramphenicol (CAP) in sulfuric acid (SA) and citric ...
DOI:
10.1016/j.chemosphere.2021.131422

6. Biochar Adsorption of Antibiotics and its Implications to Remediation of Contaminated Soil

Author:
Min PAN
Source:
Water, air, and soil pollution 2020 v.231 no.5 pp. 221
ISSN:
0049-6979
Subject:
adsorption; air; bioavailability; biochar; cations; chloramphenicol; erythromycin; hematite; hydrogen; norfloxacin; pH; polluted soils; remediation; soil pollution; sorbents; sulfamethazine; tetracycline; water
Abstract:
... Antibiotic contamination in water and soil has been widely investigated. However, there is still no effective removal method for antibiotics from water or soil environments. Therefore, the single and competitive sorption dynamics of ionizable tetracycline (TC), sulfamethazine (SMZ), norfloxacin (NOR), erythromycin (ERY), and chloramphenicol (CAP) adsorbed by NaOH-activated and hematite-modified bi ...
DOI:
10.1007/s11270-020-04551-9

7. Adsorption of Chloramphenicol on Commercial and Modified Activated Carbons

Author:
Joanna Lach
Source:
Water 2019 v.11 no.6 pp. -
ISSN:
2073-4441
Subject:
activated carbon; adsorption; air; carbon dioxide; chloramphenicol; equations; micropores; models; pH; sorption isotherms; surface area; water treatment; water vapor
Abstract:
... The aim of the study was to evaluate the possibility of applying commercial activated carbons currently used in water treatment plants and modified carbon at 400 and 800 °C in the atmosphere of air, water vapour and carbon dioxide to remove chloramphenicol. Adsorption kinetics was examined for solutions with pH of 2–10. Adsorption kinetics were determined for the initial concentration of ...
DOI:
10.3390/w11061141

8. Aeration-assisted sulfite activation with ferrous for enhanced chloramphenicol degradation

Author:
Xiaoyan Chen; Wei Miao; Yulin Yang; Sibei Hao; Shun Mao
Source:
Chemosphere 2019 pp. -
ISSN:
0045-6535
Subject:
aeration; air; chloramphenicol; dissolved oxygen; free radicals; iron; overdose; oxidants; oxygen; pH; sulfites; wastewater
Abstract:
... In this study, an Fe(Ⅱ)/S(IV) system was designed for the degradation of chloramphenicol (CAP). The pseudo-first-order rate constants for CAP degradation under typical conditions with and without air purging were investigated. The greatly enhanced rate of 0.0099 min−1 with air purging compared with 0.0006 min−1 with no air purging indicated that aeration was significant to the degradation of CAP i ...
DOI:
10.1016/j.chemosphere.2019.124599

9. Determination of six veterinary pharmaceuticals in egg by liquid chromatography: Chemometric optimization of a novel air assisted-dispersive liquid-liquid microextraction by solid floating organic drop

Author:
Carla M. Teglia; Lucia Gonzalo; María J. Culzoni; Héctor C. Goicoechea
Source:
Food chemistry 2019 v.273 pp. 194-202
ISSN:
0308-8146
Subject:
acetonitrile; air; albendazole; chemometrics; chloramphenicol; eggs; enrofloxacin; liquid chromatography; liquid-phase microextraction; methanol; methylene chloride; nicarbazin; pH; sodium phosphate; solidification; solvents; trimethoprim; veterinary drugs; zinc sulfate
Abstract:
... Two extraction strategies for albendazole, chloramphenicol, trimethoprim, enrofloxacin, oxitetracycline and nicarbazin in egg were optimized for its quantitation by liquid chromatography. First, two designs were built to find out the optimized condition for the air assisted-dispersive liquid-liquid microextraction based on solidification of organic drop: a fractional factorial and a central compos ...
DOI:
10.1016/j.foodchem.2017.08.034

10. Study on the relationship between the concentration and type of fungal bio-aerosols at indoor and outdoor air in the Children’s Medical Center, Tehran, Iran

Author:
Sedighe Karimpour Roshan; Hatam Godini; Bahram Nikmanesh; Heidar Bakhshi; Arezoo Charsizadeh
Source:
Environmental monitoring and assessment 2019 v.191 no.2 pp. 48
ISSN:
0167-6369
Subject:
Aspergillus; Cladosporium; Penicillium; adverse effects; aerosols; agar; air; bone marrow transplant; children; chloramphenicol; fungi; glucose; hospitals; mycelium; Iran
Abstract:
... Fungal bio-aerosols are of concern due to their adverse health effects, especially in indoor environments. The aim of this study was to evaluate the relationship between the concentration and type of fungal bio-aerosols in the indoor and outdoor of Children’s Medical Center in Tehran, Iran. In the present descriptive-analytical study, the fungal bio-aerosols’ concentrations in both indoor and outd ...
DOI:
10.1007/s10661-018-7183-4

11. The effect of temperature on airborne filamentous fungi in the indoor and outdoor space of a hospital

Author:
Fariba Abbasi; Mohammad Reza Samaei
Source:
Environmental science and pollution research 2019 v.26 no.17 pp. 16868-16876
ISSN:
0944-1344
Subject:
Aspergillus niger; Fusarium; Paecilomyces; Penicillium; adverse effects; agar; air; airborne microorganisms; bioaerosols; chloramphenicol; fungi; glucose; hospitals; patients; temperature; ventilation systems
Abstract:
... Fungi are one of the bioaerosols in indoor air of hospitals. They have adverse effects on staff and patients. The aim of this study was to investigate the effects of three incubation temperature on the density and composition of airborne fungi in an indoor and outdoor space of hospital. Sabouraud dextrose agar was used for culture the fungi. For improvement of aseptic properties, chloramphenicol w ...
DOI:
10.1007/s11356-017-0939-5

12. Identification of saprophytic and allergenic fungi in indoor and outdoor environments

Author:
Ardeshir Ziaee; Mohammadali Zia; Mohammad Goli
Source:
Environmental monitoring and assessment 2018 v.190 no.10 pp. 574
ISSN:
0167-6369
Subject:
Alternaria; Aspergillus; Basidiobolus; Cladosporium; Madurella; Penicillium; air; allergenicity; chloramphenicol; culture media; fungi; grocery stores; hospitals; humid zones; parks; saprophytes; spores
Abstract:
... The airborne spores of some saprophytic and allergenic fungi such as Aspergillus, Alternaria, and Cladosporium are found throughout the world and exposure to these agents may result in various types of allergic diseases. The aim of this study, therefore, was to investigate the frequency of different saprophytic, allergenic, and pathogenic fungi in indoor and outdoor environments. During a 6-month ...
DOI:
10.1007/s10661-018-6952-4

13. Comparison of dichloran rose bengal chloramphenicol and Sabouraud dextrose agar with cycloheximide and chloramphenicol for airborne mold sampling

Author:
Sibel Mentese; Muserref Tatman Otkun; Elif Palaz
Source:
Aerobiologia 2017 v.33 no.2 pp. 211-219
ISSN:
0393-5965
Subject:
Alternaria; Aspergillus; Cladosporium; Penicillium; agar; air; chloramphenicol; culture media; cycloheximide; detection limit; glucose; yeasts
Abstract:
... The more the mold species isolated on a culture medium, the more the sampling environment is represented accurately. According to the sampling purpose, it is crucial to use the best culture medium for mold. However, no study is available regarding the comparison of dichloran rose bengal chloramphenicol (DRBC) and Sabouraud dextrose agar with cycloheximide and chloramphenicol (SDA-CHX-CHL) culture ...
DOI:
10.1007/s10453-016-9462-2

14. Molecular characterization of antibiotic resistance in Escherichia coli strains from a dairy cattle farm and its surroundings

Author:
Enrique Víctor Navajas‐Benito; Carla Andrea Alonso; Susana Sanz; Carmen Olarte; Roberto Martínez‐Olarte; Sara Hidalgo‐Sanz; Sergio Somalo; Carmen Torres
Source:
Journal of the science of food and agriculture 2017 v.97 no.1 pp. 362-365
ISSN:
0022-5142
Subject:
Escherichia coli; air; ampicillin; animal housing; antibiotic resistance; bacteria; chloramphenicol; dairy farming; food availability; genes; genetic background; genetic resistance; livestock and meat industry; multiple drug resistance; nalidixic acid; phenotype; sulfamethoxazole; trimethoprim; Spain
Abstract:
... BACKGROUND: This study describes the phenotypic and genotypic characteristics of 78 genetically different Escherichia coli recovered from air and exudate samples of a dairy cattle farm and its surroundings in Spain, in order to gain insight into the flow of antimicrobial resistance through the environment and food supply. RESULTS: Antimicrobial resistance was detected in 21.8% of the 78 E. coli is ...
DOI:
10.1002/jsfa.7709

15. Effect of thermal and mechano-chemical activation on the photocatalytic efficiency of ZnO for drugs degradation

Author:
Nina Kaneva; Assya Bojinova; Karolina Papazova; Dimitre Dimitrov; Katerina Zaharieva; Zara Cherkezova-Zheleva; Alexander Eliyas
Source:
Archives of pharmacal research 2016 v.39 no.10 pp. 1418-1425
ISSN:
0253-6269
Subject:
X-ray diffraction; acetaminophen; air; aquatic ecosystems; chloramphenicol; ethanol; lighting; methanol; nanocrystallites; particle size; pollutants; powders; scanning electron microscopy; temperature; ultraviolet radiation; wastewater; water purification; zinc oxide
Abstract:
... Over the past few years, pharmaceutical drugs have been considered as emerging pollutants due to their continuous input and persistence in the aquatic ecosystem even at low concentrations. They have been detected worldwide in environmental matrices, indicating their ineffective removal from water and wastewaters using conventional methods. In this study we present photocatalytic purification of wa ...
DOI:
10.1007/s12272-016-0789-6

16. Biofilm formation ability of Salmonella enterica serovar Typhimurium acrAB mutants

Author:
Dov B. Schlisselberg; Edna Kler; Guy Kisluk; Dina Shachar; Sima Yaron
Source:
International journal of antimicrobial agents 2015 v.46 no.4 pp. 456-459
ISSN:
0924-8579
Subject:
Congo red; Salmonella Typhimurium; agar; air; biofilm; cellulose; chloramphenicol; genotype; liquid-air interface; liquids; models; mutants; polystyrenes; transporters
Abstract:
... Recent studies offer contradictory findings about the role of multidrug efflux pumps in bacterial biofilm development. Thus, the aim of this study was to investigate the involvement of the AcrAB efflux pump in biofilm formation by investigating the ability of AcrB and AcrAB null mutants of Salmonella enterica serovar Typhimurium to produce biofilms. Three models were used to compare the ability of ...
DOI:
10.1016/j.ijantimicag.2015.06.011

17. Microbiological assessment of indoor air quality at different hospital sites

Author:
Sandra Cabo Verde; Susana Marta Almeida; João Matos; Duarte Guerreiro; Marcia Meneses; Tiago Faria; Daniel Botelho; Mateus Santos; Carla Viegas
Source:
Research in microbiology 2015 v.166 no.7 pp. 557-563
ISSN:
0923-2508
Subject:
Aspergillus; Gram-positive bacteria; Micrococcus; Penicillium; Staphylococcus; air; air quality; antibiotics; bioaerosols; chloramphenicol; culture media; fungi; health hazards; hospitals; monitoring; occupational health and safety; phenotype; plate count; surveys
Abstract:
... Poor hospital indoor air quality (IAQ) may lead to hospital-acquired infections, sick hospital syndrome and various occupational hazards. Air-control measures are crucial for reducing dissemination of airborne biological particles in hospitals.The objective of this study was to perform a survey of bioaerosol quality in different sites in a Portuguese Hospital, namely the operating theater (OT), th ...
DOI:
10.1016/j.resmic.2015.03.004

18. Differentiation of Rhizobium japonicum, III. Inhibition of Nitrogenase Derepression by Chloramphenicol and Rifampicin Concentrations, Not Inhibiting Growth

Author:
D. Werner
Source:
Zeitschrift für Naturforschung 2014 v.33 no.11-12 pp. 859-862
ISSN:
1865-7125
Subject:
Bradyrhizobium japonicum; air; carbon dioxide; chloramphenicol; ethylene; nitrogen; nitrogenase; oxygen; rifampicin; superoxide anion; yeasts
Abstract:
... Development of nitrogenase (40 -140 nmol C₂ H₄ · mg protein⁻¹· h⁻¹) in Rhizobium japonicum 61-A-101 after transfer to special culture conditions (medium 20 P, 2% O₂, 10% CO₂, 88% N₂ in the gas phase) is inhibited by chloramphenicol (6X 10⁻⁴ ·1O⁻³ м) and by rifampicin (10⁻⁵м). These concentrations do not inhibit the slow growth of the cells under these conditions with a doubling time of the cell pr ...
DOI:
10.1515/znc-1978-11-1210

19. Estimates of potential nitrate reductase activity in sediments: comparisons of two incubation methods and four inhibitors

Author:
Jian-gang Han; Long-shuai Dou; Yong-li Zhu; Ping-ping Li
Source:
Environmental earth sciences 2014 v.71 no.1 pp. 419-425
ISSN:
1866-6280
Subject:
2,4-dinitrophenol; air; chloramphenicol; heat; lakes; nitrate reductase; nitrate reduction; nitrite reductase; sediments; soil; toluene; China
Abstract:
... Sediment samples, collected from a large shallow lake, Taihu, China, were incubated in two conditions (with and without air extraction) with regard to four soil enzyme’s inhibitors (dry and moist heat sterilizations, chloramphenicol and toluene) to estimate the potential nitrate reductase (Nar) activities. The objectives of paper were to define (1) whether to exclude air from the mixture of sedime ...
DOI:
10.1007/s12665-013-2449-1

20. Induction of CO2 and bicarbonate transport in the green alga Chlorella ellipsoidea. I. Time course of induction of the two systems

Author:
Matsuda, Y.; Colman, B.
Source:
Plant physiology 1995 v.108 no.1 pp. 247-252
ISSN:
0032-0889
Subject:
chloramphenicol; carbon dioxide; nutrient transport; carbonate dehydratase; protein synthesis; gas exchange; bicarbonates; nutrient uptake; cytoplasm; air; Chlorella ellipsoidea; photosynthesis; measurement; oxygen; enzyme activity; cycloheximide
Abstract:
... Changes in the physiological properties of the green alga Chlorella ellipsoidea (UTEX 20) were determined during adaptation from high CO2 toair. Cells of C. ellipsoidea, grown in high CO2, had an extremely low affinity for dissolved inorganic carbon (DIC). However, high-affinity DIC transport was induced rapidly after switching to air, which caused a massive decrease in the DIC concentration in th ...