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Deep Learning Predicts Non-Normal Transmission Distributions in High-Field Asymmetric Waveform Ion Mobility (FAIMS) Directly from Peptide Sequence.
Anal Chem
January 2025
Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States.
Peptide ion mobility adds an extra dimension of separation to mass spectrometry-based proteomics. The ability to accurately predict peptide ion mobility would be useful to expedite assay development and to discriminate true answers in a database search. There are methods to accurately predict peptide ion mobility through drift tube devices, but methods to predict mobility through high-field asymmetric waveform ion mobility (FAIMS) are underexplored.
View Article and Find Full Text PDFDevelopment of high-throughput electrospun chitosan/PEO-CNC composite membranes with enhanced antibacterial and oil-water separation properties.
Int J Biol Macromol
January 2025
Plant Fibril Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China; Guangdong Provincial Key Laboratory of Plant Resources Biorefinery, Guangzhou 510006, China.
Untreated waste liquid mixtures often support large bacterial populations, posing challenges to effective purification due to high volume and limited filtration efficiency. This study aims to develop a multifunctional filtration membrane that combines both filtration and sterilization, enhancing overall purification efficiency. Using electrospinning technology, we fabricated a superhydrophilic, oil-repellent membrane by integrating the hydrophilic properties of chitosan, antibacterial N-halamine groups, and the mechanical strength of cellulose nanocrystals (CNC).
View Article and Find Full Text PDFUnveiling results and insights from multinational, multicenter Study of Prescribing patterns and Effectiveness of Ceftolozane/Tazobactam Real-world Analysis (SPECTRA).
J Glob Antimicrob Resist
January 2025
Dept of Respiratory Medicine, Harefield Hospital, Hill End Rd, UB9 6JH, London, UK. Electronic address:
Objectives: Antibacterial-resistant gram-negative hospital-acquired infections result in significant morbidity and mortality. In clinical trials, ceftolozane/tazobactam (C/T) has been effective against these infections; however, real-world findings are limited.
Methods: SPECTRA was a global, retrospective, observational inpatient study of adults treated with C/T for ≥48 hours, conducted between 2016 and 2020.
Modular metabolic flux control for kick-starting cascade catalysis through engineering customizable compartment.
Bioresour Technol
January 2025
School of Life Sciences, Anhui University, Hefei 230601, China; Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei 230601 Anhui, China; Anhui Key Laboratory of Modern Biomanufacturing, Hefei 230601 Anhui, China. Electronic address:
Microbial compartment provides a promising approach for achieving high-valued chemical biosynthesis from renewable feedstock. However, volatile precursor could be utilized by pathway enzyme, which may hinder and adverse the cascade catalysis within microbial cell factory. Here, a customizable compartment was developed for pathway sequestration using spatially assembled cascade catalysis reaction.
View Article and Find Full Text PDFRelative Distribution of DnaA and DNA in Cells as a Factor of Their Phenotypic Variability.
Int J Mol Sci
January 2025
Department of Life Sciences, Ben Gurion University of the Negev, Beer-Sheva 8410501, Israel.
Phenotypic variability in isogenic bacterial populations is a remarkable feature that helps them cope with external stresses, yet it is incompletely understood. This variability can stem from gene expression noise and/or the unequal partitioning of low-copy-number freely diffusing proteins during cell division. Some high-copy-number components are transiently associated with almost immobile large assemblies (hyperstructures) and may be unequally distributed, contributing to bacterial phenotypic variability.
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