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Discovery, functional characterization, and structural studies of the NRPS-independent siderophore synthetases.
Crit Rev Biochem Mol Biol
March 2025
Department of Structural Biology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA.
To adapt to low-iron environments, many bacteria produce siderophores, low molecular weight iron chelators that are secreted into the environment where they bind ferric iron. The production of siderophore uptake systems then allows retrieval of the iron-complexed siderophore into the cell, where the metal ion can be used for structural and catalytic roles in many proteins. While many siderophores are produced by the activity of a family of large modular nonribosomal peptide synthetase (NRPS) enzymes, a second class of siderophores are produced by an alternate pathway.
View Article and Find Full Text PDFPredicting Postoperative Neurological Outcomes in Metastatic Spinal Tumor Surgery Using Machine Learning.
Spine (Phila Pa 1976)
March 2025
Department of Orthopaedic Surgery, Chiba University, Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba-shi, 260-8670, Japan.
Study Design: Retrospective analysis of data collected across multiple centers.
Objective: To develop machine learning models for predicting neurological outcomes one month postoperatively in patients with metastatic spinal tumors undergoing surgery, and to identify key factors influencing neurological recovery.
Summary Of Background Data: The increasing prevalence of spinal metastases has led to a growing need for surgical intervention to address mechanical instability and neurological deficits.
Fully Methylated Siloxane-Based Electrolyte for Practical Lithium Metal Batteries.
J Am Chem Soc
March 2025
Frontiers Science Center for New Organic Matter, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), State Key Laboratory of Advanced Chemical Power Sources, College of Chemistry, Nankai University, Tianjin 300071, China.
Developing solvents with balanced physicochemical properties for high-voltage cathodes and lithium metal anodes is crucial for a sustainable and intelligent future. Herein, we report fully methylated tetramethyl-1,3-dimethoxydisiloxane (TMMS) as a single solvent for lithium metal batteries. We demonstrate that the fully methylated structure and Si-O bonds within TMMS can effectively elevate the dehydrogenation energy barrier, migrating the oxidation decomposition of the electrolyte.
View Article and Find Full Text PDFEnhancing Photoelectrochemical Seawater Splitting Efficiency by a Dual-Strategy Approach of W Doping and CoOOH Layer Deposition on BiVO Photoanodes.
ACS Appl Mater Interfaces
March 2025
School of Chemical Engineering and Technology, Taiyuan University of Science and Technology, Taiyuan 030024, PR China.
Photoelectrochemical (PEC) seawater splitting offers a sustainable pathway for hydrogen production, yet its practical application is hindered by sluggish reaction kinetics and severe photocorrosion in chloride-rich environments. This study presents a dual-strategy modification of BiVO photoanodes through tungsten (W) doping and cobalt oxyhydroxide (CoOOH) nanolayer deposition to synergistically enhance the PEC performance and stability in natural seawater. W doping optimizes the electronic structure of BiVO by reducing the bandgap from 2.
View Article and Find Full Text PDFSuperior Performance of the δ-MnO Ultrathin Nanoflower for Photocatalytic HCHO Oxidation.
Inorg Chem
March 2025
Hangzhou Institute of Advanced Studies, Zhejiang Normal University, Gengwen Road 1108, Hangzhou 311231, P. R. China.
Formaldehyde (HCHO) is carcinogenic and harmful upon prolonged exposure to human breathing. Most catalysts can eliminate HCHO at room temperature or above, but the full removal of HCHO through the catalytic process at low temperatures (
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