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Engineering Saccharomyces cerevisiae for growth on xylose using an oxidative pathway.
Appl Microbiol Biotechnol
January 2025
Engineering Biology Research Center, Kobe University, 1-1 Rokkodai, Nada, Kobe, 657-8501, Japan.
The fermentative production of valuable chemicals from lignocellulosic feedstocks has attracted considerable attention. Although Saccharomyces cerevisiae is a promising microbial host, it lacks the ability to efficiently metabolize xylose, a major component of lignocellulosic feedstocks. The xylose oxidative pathway offers advantages such as simplified metabolic regulation and fewer enzymatic steps.
View Article and Find Full Text PDFFabrication of Hypoxia-Mimicking Supramolecular Hydrogels for Cartilage Repair.
ACS Appl Bio Mater
January 2025
Regenerative Medicine and Stem Cell Laboratory (RMS), Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi 502 284, Telangana, India.
Despite advancements in chronic arthritis treatment, there remains a significant demand for advanced nanotechnologies capable of efficiently delivering a wide range of therapeutic agents to provide symptomatic relief and facilitate the healing of inflamed cartilage tissue. Considering the significant impact of hypoxia on the development and maintenance of chondral tissue, replicating its effects on stem cells could be a potential approach for the treatment of osteoarthritis (OA). Cobalt is a prominent hypoxia-inducing agent, owing to its ability to activate the hypoxia-inducible factor (HIF) pathway regardless of cellular oxygen levels.
View Article and Find Full Text PDFSolar-Driven High-Rate Ammonia Production from Wastewater Coupled with Plastic Waste Reforming.
Nano Lett
January 2025
Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
Solar-powered electrochemical NH synthesis offers the benefits of sustainability and absence of CO emissions but suffers from a poor solar-to-ammonia yield rate (SAY) due to a low NH selectivity, large bias caused by the sluggish oxygen evolution reaction, and low photocurrent in the corresponding photovoltaics. Herein, a highly efficient photovoltaic-electrocatalytic system enabling high-rate solar-driven NH synthesis was developed. A high-performance Ru-doped Co nanotube catalyst was used to selectively promote the nitrite reduction reaction (NORR), exhibiting a faradaic efficiency of 99.
View Article and Find Full Text PDFBioinspired Conductivity-Enhanced, Self-Healing, and Renewable Silk Fibroin Hydrogel for Wearable Sensors with High Sensitivity.
ACS Appl Mater Interfaces
January 2025
Hebei Provincial Key Laboratory of Photoelectric Control on Surface and Interface, and College of Science, Hebei University of Science and Technology, Yuxiang Road 26, Shijiazhuang 050080, PR China.
The development of silk fibroin-based hydrogels with excellent biocompatibility, aqueous processability, and facile controllability in structure is indeed an exciting advancement for biological research and strain sensor applications. However, silk fibroin-based hydrogel strain sensors that combine high conductivity, high stretchability, reusability, and high selectivity are still desired. Herein, we report a simple method for preparing double-network hydrogels including silk fibroin and poly(acrylic acid) sodium-polyacrylate (PAA-PAAS) networks.
View Article and Find Full Text PDFSynthesis and Characterization of MIP Ghost Approach for Selective Extraction of Empagliflozin and Quantification by Liquid Chromatography.
J Chromatogr Sci
January 2025
Department of Chemistry & Biochemistry, Ohio University, Athens, OH, USA.
The valid method was developed for analyzing empagliflozin in serum/plasma/urine using a molecularly imprinted ghost polymer-solid-phase extraction approach (MISPE) with liquid chromatographic methodology. Methacrylic acid (MAA) was used as the monomer, 2,2 azobis isobutyronitrile as the initiator and ethylene glycol dimethacrylate as the cross-linker in the free radical polymerization procedure. Empagliflozin was loaded onto the polymer and eluted with 1 mL of a 9:1 MeOH:acetic acid solution.
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