Results 61 to 70 of about 597,070 (286)

Prevalence of extended-spectrum beta-lactamases, AmpC beta-lactamase, and metallo-beta-lactamase producing Pseudomonas aeruginosa and Acinetobacter baumannii in an intensive care unit in a tertiary care hospital

open access: yesJournal of the Scientific Society, 2013
Background: Resistance to broad-spectrum beta-lactams, mediated by extended-spectrum beta-lactamases (ESBL), AmpC beta-lactamase, and metallo-beta-lactamase (MBL) enzymes, is an increasing problem worldwide. Aim of the study: This study was undertaken to
Varun Goel   +2 more
doaj   +1 more source

Beta-lactamase resistance genes in Enterobacteriaceae from Nigeria

open access: yesAfrican Journal of Laboratory Medicine, 2022
Background: Beta-lactamase genes are one of the most important groups of antimicrobial resistance genes in human and animal health. Therefore, continuous surveillance of this group of resistance genes is needed for a better understanding of the local ...
Babafela B. Awosile   +4 more
doaj   +1 more source

Metal nanostructure‐coupled label‐free localized surface plasmon resonance biosensors for rapid and sensitive disease diagnosis

open access: yesBMEMat, EarlyView.
LSPR biosensing enables rapid, sensitive, and low‐sample‐volume detection of biomarkers, with broad applications in diagnosing cancer, infectious, and chronic diseases. Advances in nanostructure design, micro/nanofabrication, and microfluidic integration have expanded the potential of LSPR sensors in biomedical diagnostics.
Zhaoxin Geng   +4 more
wiley   +1 more source

Prevalence of Extended-Spectrum Beta-Lactamases in Enterobacter Cloacae in Taiwan and Comparison of 3 Phenotypic Confirmatory Methods for Detecting Extended-Spectrum Beta-Lactamase Production [PDF]

open access: yes, 2011
Background and purpose: The prevalence of extended-spectrum beta- lactamases (ESBLs) in Enterobacter cloacae remains unclear in Taiwan. This study was conducted to investigate the prevalence of ESBL-producing E cloacae in Taiwan.
YANG, JIA-LING;WANG, JANN-TAY;YANG, LAUDERDALE TSAI-LING;CHANG, SHAN-CHWEN   +1 more
core  

Design, Molecular Docking, Synthesis of Aromatic Amino Acids Linked to Cephalexin.

open access: yesAl-Mustansiriyah Journal of Pharmaceutical Sciences, 2022
Infections caused by bacteria have a significant impact on public health. Chemical synthesis of new derivatives of cephalexin inked to amino acid (tryptophan or histidine) through an amide bond at the acyl side chain is achieved.
Yasir F. Muhsin   +2 more
doaj   +1 more source

Fungal Antimicrobial Resistance: Mechanisms, Drivers, and Global Clinical Burden

open access: yesChemFoodChem, EarlyView.
ABSTRACT Fungal antimicrobial resistance (AMR) is a growing concern for world health caused by an increase in multidrug‐resistant infections, an increase in environmental reservoirs, and the ineffectiveness of current antifungal treatments. Fungal infections continue to be largely excluded from AMR initiatives while causing over 1.6 million deaths ...
Bikash Baral
wiley   +1 more source

Fecal Microbiota Transplantation and Microbiota‐Based Therapeutics in Allogeneic Hematopoietic Stem Cell Transplantation: Current Evidence and Future Directions

open access: yesClinical Pharmacology &Therapeutics, EarlyView.
The intestinal microbiome is a key regulator of immune homeostasis, metabolism, and epithelial barrier integrity. In patients with malignant hematological diseases, particularly those undergoing hematopoietic stem cell transplantation, microbiome perturbations by reduced diversity, pathobiont expansion, and loss of beneficial metabolites are common as ...
Bálint Gergely Szabó   +7 more
wiley   +1 more source

beta-Lactamases evolve against antibiotics by acquiring large active-site electric fields [PDF]

open access: yes, 2022
A compound bound covalently to an enzyme active site can act either as a substrate if the covalent linkage is readily broken up by the enzyme or as an inhibitor if the bond dissociates slowly.
Zhe, Ji, Steven, Boxer
core   +1 more source

Biomass‐derived hydrochars as eco‐friendly adsorbents for wastewater treatment applications

open access: yesEnvironmental Progress &Sustainable Energy, EarlyView.
Abstract Emerging organic pollutants (EOPs), such as diethyl phthalate (DEP), bisphenol A (BPA), and methylene blue (MB), are only partially removed in conventional wastewater treatment plants. This study assesses hydrochars produced by hydrothermal carbonization (HTC) of spruce bark (SB), vine shoots (VSs), and wheat straw (WSs) for removing three ...
Emanuel Gheorghita Armanu   +6 more
wiley   +1 more source

Structure based drug design: the discovery of novel inhibitors active against New Delhi Metallo-β-lactamase-1 [PDF]

open access: yes, 2017
Background. The emergence of bacterial strains resistant to available antibiotic armamentarium is nowadays a pressing issue in clinical therapy. Among the several mechanisms of bacterial resistance, the rapid evolution and spread of carbapenemases, β ...
Cross, Simon   +7 more
core  

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