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Utilization of Chlorella vulgaris methyl ester blend with diethyl ether to mitigate emissions of an unaltered single cylinder ci engine.
Environ Sci Pollut Res Int
January 2025
Engine Testing Laboratory, Department of Automobile Engineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, 603203, Tamil Nadu, India.
The present work emphasizes the viability of methyl ester production, characterization, and utilization of third-generation biofuel from Chlorella vulgaris microalgae. The presence of methyl oleate (CHO) in the Chlorella vulgaris methyl ester (CVME) algae signifies the existence of higher oxidation stability and prone to peroxidation. The single-stage transesterified CVME algae contains majorly (C-H) functional group trailed by (C = O), (C-O), (O-CH), (C-O-C) with the elemental compositions of 66.
View Article and Find Full Text PDFExploring the Association Between Overactive Bladder (OAB) and Cognitive decline: mediation by depression in elderly adults, a NHANES weighted analysis.
Sci Rep
January 2025
School of Government, University of International Business and Economics, Chaoyang District, Beijing, 100029, P. R. China.
Overactive bladder (OAB) is a prevalent condition among older adults and may be linked to cognitive health. This study explored a relationship between OAB and cognitive health among adults aged 60 ≥ years in the United States, using NHANES 2011-2014. A cross-sectional analysis was conducted using a nationally representative sample of 2,324 (45.
View Article and Find Full Text PDFThe mycobacterial ABC transporter IrtAB employs a membrane-facing crevice for siderophore-mediated iron uptake.
Nat Commun
January 2025
Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland.
The mycobacterial ABC transporter IrtAB features an ABC exporter fold, yet it imports iron-charged siderophores called mycobactins. Here, we present extensive cryo-EM analyses and DEER measurements, revealing that IrtAB alternates between an inward-facing and an outward-occluded conformation, but does not sample an outward-facing conformation. When IrtAB is locked in its outward-occluded conformation in nanodiscs, mycobactin is bound in the middle of the lipid bilayer at a membrane-facing crevice opening at the heterodimeric interface.
View Article and Find Full Text PDFCharacterization of novel mutations involved in the development of resistance to colistin in Salmonella isolates from retail pork in Shanghai, China.
Int J Food Microbiol
February 2025
MOST-USDA Joint Research Center for Food Safety and NMPA Key Laboratory for Testing Technology of Pharmaceutical Microbiology, Department of Food Science & Technology, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai 200240, China. Electronic address:
Salmonella is an important foodborne pathogen that poses a significant threat to food safety. This study aims to assess the prevalence, genomic features, and colistin-resistant mechanisms of Salmonella isolates collected from 118 retail pork samples from January 2021 to January 2022 in Shanghai, China. Overall, 46 (39.
View Article and Find Full Text PDFAlzheimer's disease risk ABCA7 p.A696S variant disturbs the microglial response to amyloid pathology in mice.
Neurobiol Dis
January 2025
Departments of Neuroscience, Mayo Clinic, Jacksonville, FL 32224, USA. Electronic address:
The adenosine triphosphate-binding cassette transporter A7 (ABCA7) gene is ranked as one of the top susceptibility loci for Alzheimer's disease (AD). While ABCA7 mediates lipid transport across cellular membranes, ABCA7 loss of function has been shown to exacerbate amyloid-β (Aβ) pathology and compromise microglial function. Our family-based study uncovered an extremely rare ABCA7 p.
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