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| http://dx.doi.org/10.1093/cz/zoaa012 | DOI Listing |
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Limosilactobacillus reuteri fermented brown rice alleviates anxiety improves cognition and modulates gut microbiota in stressed mice.
NPJ Sci Food
January 2025
Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea.
Chronic stress disrupts gut microbiota homeostasis, contributing to anxiety and depression. This study explored the effects of Limosilactobacillus reuteri fermented brown rice (FBR) on anxiety using an ICR mouse chronic mild stress (CMS) model. Anxiety was assessed through body weight, corticosterone levels, neurotransmitter profiles, and behavioral tests.
View Article and Find Full Text PDFSex differences in motivation to take sucrose following abstinence and environmental enrichment in Long-Evans rats.
Physiol Behav
January 2025
Department of Psychology and Program in Behavioral Neuroscience, Western Washington University, Bellingham, WA 98225-9172 USA.
Article Synopsis
- Research indicates significant sex differences in addiction behaviors, with females showing a higher motivation to consume sucrose than males.
- The study utilized a progressive ratio schedule to assess motivation for 10% sucrose after different periods of environmental enrichment, revealing that acute and chronic enrichment reduced breakpoints for males more persistently than for females.
- Both sexes exhibited increased motivation to consume after 29 days of abstinence, but environmental enrichment had a less significant impact on females compared to males, highlighting the need for gender-focused approaches in addiction research.
Microbial Sulfur Cycling Determinants and Implications for Environmental Impacts.
Chemosphere
January 2025
Department of Civil and Mineral Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario, M5S 1A4, Canada. Electronic address:
Sulfur-oxidizing bacteria (SOB) play a vital role in the occurrence of sulfur oxidation intermediate (SOI) compounds often recalcitrant to currently available, abiotic treatment within metal mine tailings impoundments (TI). As inadvertent SOI discharge post-treatment can lead to the uncontrolled acidification of receiving environments, it becomes increasingly important to elucidate the environmental controls on SOB identities and sulfur cycling within these relatively unstudied systems. Here, results identified controlling factors on SOB community differentiation and associated metabolic pathway occurrence through integrated physicochemical, geochemical, and microbial field and experimental investigation across three summers (2016, 2017, 2021) in a stratified Northern Ontario base metal TI.
View Article and Find Full Text PDFEnhancing anammox granular sludge for mainstream anammox process by adding iron-loaded diatomite: performance and intrinsic mechanism.
Environ Res
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School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China.
Iron-loaded diatomite (Fe-DE) was developed as the innovative material to enhance anammox granular sludge (AnGS) and mainstream anammox performance. By adding Fe-DE with the Fe:DE ratio of 1:20 and the dosage of 3 g/L, the start-up period of mainstream anammox process was shortened from 29 d to 17 d and its nitrogen removal rate was increased from 0.234 kg N/(m·d) to 0.
View Article and Find Full Text PDFInterfacial adsorption behavior of amine-functionalized MCM-41 for Mo(VI) capture from aqueous solution.
Environ Res
January 2025
School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China; Zhongyuan Critical Metals Laboratory, Zhengzhou University, Zhengzhou 450001, China; The Key Lab of Critical Metals Minerals Supernormal Enrichment and Extraction, Ministry of Education, Zhengzhou 450001, China.
Given the environmental and ecological risks posed by wastewater bearing Mo, the characteristics and microscopic interactions of existing silica-based adsorbents have not been thoroughly investigated, highlighting the need to enhance the porosity and chemical interactions of these materials. Considering the effectiveness of amino groups in binding metal oxyanions, this study investigates the adsorption performance and mechanism of amino-functionalized MCM-41 for Mo(VI), with the goal of efficiently remediating Mo-contaminated wastewater. MCM-41 modified by amino group retains its original structure and mesoporous characteristics while featuring a positively charged surface and chemically bonded amino groups.
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