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Total 5582 results found since Jan 2013.
In vitro evaluation of probiotic properties and selenium bioaccumulation of lactic acid bacteria isolated from poultry gastrointestinal, as an organic selenium source
Res Vet Sci. 2023 Jun 29;162:104934. doi: 10.1016/j.rvsc.2023.06.012. Online ahead of print.ABSTRACTThe purpose of this study was to examine the probiotic characteristics and selenium (Se) bioaccumulation potential of five Lactobacillus strains in vitro. Lactobacillus acidophilus, L. delbrueckii subsp. lactis, L. reuteri, L. gallinarum, and L. animalis were among the strains employed. As significant aspects of probiotics, identification, and evaluation of their survival potential in the gastrointestinal system were undertaken. Although all experimental Lactobacillus strains bioaccumulated Se (IV) concentrations in media cu...
Source: Cell Research - July 8, 2023 Category: Cytology Authors: Shokoufeh Norouzi Mohsen Daneshyar Parviz Farhoomand Amir Tukmechi Guillermo Tellez-Isaiasc Source Type: research
Prevalence, antibiotic susceptibility and genomic analysis of Salmonella from retail meats in Shaanxi, China
This study aimed to assess the prevalence, antibiotic susceptibility, and genomic features of Salmonella isolates recovered from 600 retail meat samples (300 pork, 150 chicken and 150 beef) from August 2018 to October 2019 in Shaanxi, China. Overall, 40 (6.67 %) of 600 samples were positive to Salmonella, with the highest prevalence in chicken (21.33 %, 32/150), followed in pork (2.67 %, 8/300), while no Salmonella was detected in beef. A total of 10 serotypes and 11 sequence types (STs) were detected in 40 Salmonella isolates, with the most common being ST198 S. Kentucky (n = 15), ST13 S. Agona (n = 6), and ST17 S. Indian...
Source: International Journal of Food Microbiology - July 8, 2023 Category: Food Science Authors: Huanjing Sheng Jia Suo Jinghan Dai Siyue Wang Mei Li Li Su Mengyuan Cao Yanwei Cao Jia Chen Shenghui Cui Baowei Yang Source Type: research
Novel Bi < sub > 2 < /sub > WO < sub > 6 < /sub > /MWCNT nanohybrids synthesis for high-performance photocatalytic activity of ciprofloxacin degradation under simulated sunlight irradiation
Chemosphere. 2023 Jul 5:139432. doi: 10.1016/j.chemosphere.2023.139432. Online ahead of print.ABSTRACTIn this research, novel Bi2WO6/MWCNT nanohybrids were synthesized via a cost-effective hydrothermal route. The photocatalytic performance of these specimens was tested through the photodegradation of Ciprofloxacin (CIP) under simulated sunlight. Various physicochemical techniques systematically characterized the prepared pure, Bi2WO6/MWCNT nanohybrid photocatalysts. The XRD and Raman spectra revealed the structural/phase properties of Bi2WO6/MWCNT nanohybrids. FESEM and TEM pictures revealed the attachment and distribution...
Source: Chemosphere - July 7, 2023 Category: Chemistry Authors: Mohd Shkir T H AlAbdulaal Mohd Ubaidullah Vasudeva Reddy Minnam Reddy Source Type: research
Evaluation of mechanical features and antibacterial potential of fluoroquinolone against β-ketoacyl-ACP synthases (FabB, FabF & amp; FabH) via computational approaches
In this study, a sophisticated molecular docking strategy was employed to target all three KAS enzymes. Initially, 1000 fluoroquinolone derivatives were obtained from PubChem database, along with the commonly used ciprofloxacin, and subjected to virtual screening against FabH, FabB, and FabF, respectively. Subsequently, molecular dynamics (MD) simulations were conducted to confirm the stability and reliability of the generated conformations. The compounds 155813629, 142486676, and 155567217 were found to exhibit potential molecular interactions against FabH, FabB, and FabF, respectively, with docking scores of -9.9, -8.9, ...
Source: Archives of Biochemistry and Biophysics - July 7, 2023 Category: Biochemistry Authors: Syeda Abida Ejaz Mubashir Aziz Tanveer A Wani Hammad M Al-Kahtani Source Type: research
Novel Bi < sub > 2 < /sub > WO < sub > 6 < /sub > /MWCNT nanohybrids synthesis for high-performance photocatalytic activity of ciprofloxacin degradation under simulated sunlight irradiation
Chemosphere. 2023 Jul 5:139432. doi: 10.1016/j.chemosphere.2023.139432. Online ahead of print.ABSTRACTIn this research, novel Bi2WO6/MWCNT nanohybrids were synthesized via a cost-effective hydrothermal route. The photocatalytic performance of these specimens was tested through the photodegradation of Ciprofloxacin (CIP) under simulated sunlight. Various physicochemical techniques systematically characterized the prepared pure, Bi2WO6/MWCNT nanohybrid photocatalysts. The XRD and Raman spectra revealed the structural/phase properties of Bi2WO6/MWCNT nanohybrids. FESEM and TEM pictures revealed the attachment and distribution...
Source: Chemosphere - July 7, 2023 Category: Chemistry Authors: Mohd Shkir T H AlAbdulaal Mohd Ubaidullah Vasudeva Reddy Minnam Reddy Source Type: research
Evaluation of mechanical features and antibacterial potential of fluoroquinolone against β-ketoacyl-ACP synthases (FabB, FabF & amp; FabH) via computational approaches
In this study, a sophisticated molecular docking strategy was employed to target all three KAS enzymes. Initially, 1000 fluoroquinolone derivatives were obtained from PubChem database, along with the commonly used ciprofloxacin, and subjected to virtual screening against FabH, FabB, and FabF, respectively. Subsequently, molecular dynamics (MD) simulations were conducted to confirm the stability and reliability of the generated conformations. The compounds 155813629, 142486676, and 155567217 were found to exhibit potential molecular interactions against FabH, FabB, and FabF, respectively, with docking scores of -9.9, -8.9, ...
Source: Archives of Biochemistry and Biophysics - July 7, 2023 Category: Biochemistry Authors: Syeda Abida Ejaz Mubashir Aziz Tanveer A Wani Hammad M Al-Kahtani Source Type: research
Novel Bi < sub > 2 < /sub > WO < sub > 6 < /sub > /MWCNT nanohybrids synthesis for high-performance photocatalytic activity of ciprofloxacin degradation under simulated sunlight irradiation
Chemosphere. 2023 Jul 5:139432. doi: 10.1016/j.chemosphere.2023.139432. Online ahead of print.ABSTRACTIn this research, novel Bi2WO6/MWCNT nanohybrids were synthesized via a cost-effective hydrothermal route. The photocatalytic performance of these specimens was tested through the photodegradation of Ciprofloxacin (CIP) under simulated sunlight. Various physicochemical techniques systematically characterized the prepared pure, Bi2WO6/MWCNT nanohybrid photocatalysts. The XRD and Raman spectra revealed the structural/phase properties of Bi2WO6/MWCNT nanohybrids. FESEM and TEM pictures revealed the attachment and distribution...
Source: Chemosphere - July 7, 2023 Category: Chemistry Authors: Mohd Shkir T H AlAbdulaal Mohd Ubaidullah Vasudeva Reddy Minnam Reddy Source Type: research
Antibiotic photocatalysis and antimicrobial activity of low-cost multifunctional Fe3O4@HAp nanocomposites
AbstractWater contamination by multiple pollutants is a serious environmental issue originating from the many diverse sources of pollution. It has worsened with the appearance of new contaminants, named emerging micropollutants, such as drug residues which are considered a potential threat to human health and/or ecosystems. These require prior treatment before release into the environment. Simultaneous adsorption and photocatalysis as well as solid-liquid separation are promising technologies for water treatment. In order to obtain low cost photoactive nanocomposites, porous and magnetic Fe3O4-hydroxyapatite (wFeHAp) nanoc...
Source: Journal of Environmental Health Science and Engineering - July 4, 2023 Category: Environmental Health Source Type: research
Illustration on phenotypic and genotypic characteristics of typical multi-antibiotic resistant bacteria in aquatic environments through complete genomes and comparative genomics
In this study, a multi-resistant superbug (TR3) was screened by the selective pressure of multi-antibiotics from the activated sludge of the aeration tanks of urban wastewater treatment plants (WWTPs) in 5 different regions of China. Based on the 16 S rDNA sequence alignment it was found that the sequence similarity between strain TR3 and Aeromonas was as high as 99.50%. The genome-wide sequence showed that the base content of the chromosome of strain TR3 is 4,521,851 bp. It contains a plasmid with a length of 9182 bp. All antibiotic resistance genes (ARGs) of strain TR3 are located on the chromosome, which means that it h...
Source: Chemosphere - July 2, 2023 Category: Chemistry Authors: Chunli Wan Rui Tang Liyan Deng Liya Fu Panxin Wang Xiang Liu Changyong Wu Source Type: research
New insight into the concentration-dependent removal of multiple antibiotics by Chlorella sorokiniana
Bioresour Technol. 2023 Jun 29:129409. doi: 10.1016/j.biortech.2023.129409. Online ahead of print.ABSTRACTMicroalgae have attracted increasing attention as an environmentally friendly treatment for antibiotics. However, the effect of antibiotic concentration on the removal ability of microalgae with the underlying mechanisms remains unclear. Thus, this work investigates the removal of tetracycline (TET), sulfathiazole (STZ), and ciprofloxacin (CIP) at different concentrations using Chlorella sorokiniana. The results indicate that microalgae have a concentration-dependent effect on antibiotic removal; however, the removal t...
Source: Bioresource Technology - July 1, 2023 Category: Biotechnology Authors: Yuhao Chu Shengnan Li Peng Xie Xi Chen Xue Li Shih-Hsin Ho Source Type: research
