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Multi-element Exposure and Cognitive Function in Rural Elderly Chinese
Biol Trace Elem Res. 2023 Sep 16. doi: 10.1007/s12011-023-03774-1. Online ahead of print.ABSTRACTTo investigate the relationship between selenium (Se) based multi-element combined exposure and cognitive function in rural elderly individuals, a cross-sectional study was conducted. The study involved 416 older adults aged 60 and above, residing in four different areas of Enshi county, China, with varying soil Se levels. Inductively coupled plasma mass spectrometry (ICP-MS) was employed to measure the concentrations of Se, copper (Cu), iron (Fe), zinc (Zn), calcium (Ca), magnesium (Mg), cadmium (Cd), arsenic (As), and lead (P...
Source: Biological Trace Element Research - September 16, 2023 Category: Biology Authors: Lidan Duan Liqin Su Xiaohong He Yegang Du Yanying Duan Ning Xu Rangpeng Wu Yunfeng Zhu Ranqi Shao Frederick W Unverzagt Ann M Hake Yinlong Jin Sujuan Gao Source Type: research
Simultaneous removal of phosphorus, zinc, and lead from oligotrophic ecosystem by iron-driven denitrification: Performance and mechanisms
This study aimed to achieve the simultaneous removal of nitrate, phosphorus, Zn2+ and Pb2+ through microbial approach. At nitrate concentration of 4.82 mg L-1, carbon to nitrogen ratio of 1.5, pH of 6.0, and Fe2+ concentration of 5.0 mg L-1, the nitrate removal efficiency of Zoogloea sp. FY-6 reached 95.17%. The addition of pollutants under these conditions resulted in 88.76% removal of total phosphorus at 18 h, and 85.46 and 78.59% removal of Zn2+ and Pb2+ respectively, and there was competition for adsorption between Zn2+ and Pb2+. Extracellular polymers and fluorescence excitation-emission substrates confirmed that Fe2+...
Source: Environmental Research - September 16, 2023 Category: Environmental Health Authors: Zhennan Zhou Amjad Ali Liang Xu Junfeng Su Shuyu Liu Xuan Li Source Type: research
Investigation of manganese-iron oxide nanocomposite immobilized on powdered activated carbon as an efficient activator of peroxymonosulfate for antibiotics degradation: Conjunction of adsorption, radical and nonradical processes
Environ Res. 2023 Sep 14:117150. doi: 10.1016/j.envres.2023.117150. Online ahead of print.ABSTRACTPeroxymonosulfate (PMS)-based advanced oxidation processes (AOPs) have gained considerable attention for their efficient oxidation of persistent pollutants. A two-step chemical co-precipitation method was used to prepare a bimetallic nanocomposite (MnOx@Fe3O4) consisting of manganese oxides and ferroferric oxides, supported by powdered activated carbon (PAC). The synthesis of MnOx@Fe3O4-PAC (MFP) was aimed to enhance the degradation efficiency of oxytetracycline (OTC) via the simultaneous adsorption and oxidation processes on ...
Source: Environmental Research - September 16, 2023 Category: Environmental Health Authors: Jiahui Zhou Shu Wang Source Type: research
Matrine disrupts Nrf2/GPX4 antioxidant system and promotes hepatocyte ferroptosis
Chem Biol Interact. 2023 Sep 14:110713. doi: 10.1016/j.cbi.2023.110713. Online ahead of print.ABSTRACTMatrine (MT) is an alkaloid isolated from Sophora flavescens with various bioactivities and is widely used clinically. However, the broader its clinical use, the greater its toxicity concerns. We investigate the role of ferroptosis in MT-induced liver injury caused by an imbalance in the antioxidant pathway. Our results showed that MT could cause pathological changes in liver tissues and lead to a significant reduction in L02 cell viability. MT also reduced superoxide dismutase (SOD) and glutathione (GSH), increased malo...
Source: Chemico-Biological Interactions - September 16, 2023 Category: Molecular Biology Authors: Xi Wang Wenjing Zhu Miao Xing Haiyan Zhu Enqing Chen Jie Zhou Source Type: research
School-based supplementation with iron-folic acid or multiple micronutrient tablets to address anemia among adolescents in Burkina Faso: a cluster-randomized trial
CONCLUSIONS: Results do not provide strong evidence that weekly IFA or daily MMS supplementation alone is effective, but supplementation may play a role in addressing adolescent anemia if combined with co-interventions. Additional research is required to determine the best strategy to address anemia.CLINICAL TRIAL REGISTRY: ClinicalTrials.gov, NCT04657640 TRIAL REGISTRATION: Clinicaltrials.gov Identifier: NCT04657640, registered December 8, 2020.PMID:37716443 | DOI:10.1016/j.ajcnut.2023.09.004
Source: Am J Clin Nutr - September 16, 2023 Category: Nutrition Authors: Ilana R Cliffer Ourohir é Millogo Yllassa Barry Idrissa Kouanda Guillaume Compaore Dongqing Wang Ali Sie Wafaie Fawzi Source Type: research
Enhanced adsorption of roxarsone on iron-nitrogen co-doped biochar from peanut shell: Synthesis, performance and mechanism
Bioresour Technol. 2023 Sep 14:129762. doi: 10.1016/j.biortech.2023.129762. Online ahead of print.ABSTRACTEfficient removal of organic arsenic (roxarsone, ROX) from wastewater is highly demanded on the purpose of human health and environmental protection. This work aims to prepare Fe-N- co-doped biochar (Fe-N-BC) via one-pot hydrothermal method using waste peanut shell, FeCl3·6H2O and urea, followed by pyrolysis. The effect of Fe-N co-doping on biochar's physicochemical properties, and adsorption performance for ROX were systematically investigated. At the pyrolysis temperature of 650 °C, Fe-N-BC-650 shows a significantl...
Source: Bioresource Technology - September 16, 2023 Category: Biotechnology Authors: Zhijia Luo Xiong Peng Wanwen Liang Dan Zhou Chengxiong Dang Weiquan Cai Source Type: research
Study on the correlation and interaction between metals and dyslipidemia: a case-control study in Chinese community-dwelling elderly
Environ Sci Pollut Res Int. 2023 Sep 16. doi: 10.1007/s11356-023-29695-z. Online ahead of print.ABSTRACTPrevious studies on the association between metals and dyslipidemia are not completely consistent. There are few studies investigating the relationship between mixed metal exposure and dyslipidemia as well as the effects of metals on dyslipidemia in community-dwelling elderly. To evaluate the correlations and interaction effect between the urinary concentrations of metals and the risk of dyslipidemia in community-dwelling elderly. We designed a case-control study to assess the correlation between urine metals and dyslipi...
Source: Environmental Science and Pollution Research International - September 16, 2023 Category: Environmental Health Authors: Zhongyuan Zhang Rui Wang Pei He Yuqing Dai Siyu Duan Meiyan Li Zhuoheng Shen Xiaoyu Li Jian Sun Source Type: research
Modified air-Fenton with MIL-88A for chemical oxygen demand treatment in used coolant oil
In this study, COD treatment of coolant oil was investigated in a metal-organic framework (MOF) with MIL-88A by a modified air-Fenton (MAF) process by varying synthetic coolant oil concentrations (1-5%), pH (3-9), air-flow rate (1-2 L/min), amount of MIL-88A (0.2-1.0 g), and reaction time (30-180 min). The results were analyzed using central composite design (CCD) and response surface methodology (RSM) using Minitab ver. 19. The characteristic MIL-88A was characterized by XRD that showed a spindle-like shape with 2θ at 10.2° and 13.0°. The FTIR spectrum revealed the vibrational frequencies at Fe-O (564 cm-1), C-O (1391 ...
Source: Environmental Science and Pollution Research International - September 16, 2023 Category: Environmental Health Authors: Kwanruedee Suwannasung Vorapot Kanokkantapong Sumeth Wongkiew Source Type: research
Associations of metal mixtures with thyroid function and potential interactions with iodine status: results from a cross-sectional study in MEWHC
Environ Sci Pollut Res Int. 2023 Sep 16. doi: 10.1007/s11356-023-29682-4. Online ahead of print.ABSTRACTFew studies are available on associations between metal mixture exposures and disrupted thyroid hormone homeostasis; particularly, the role of iodine status was ignored. Here, we aimed to explore the cross-sectional relationship of blood cell metals with thyroid homeostasis and explore the potential modifying effect of iodine status. Among 328 workers from the manganese-exposed workers healthy cohort (MEWHC), we detected thyroid function parameters: thyroid stimulating hormone (TSH), total triiodothyronine (TT3), free tr...
Source: Environmental Science and Pollution Research International - September 16, 2023 Category: Environmental Health Authors: Xiaoting Ge Junxiu He Sencai Lin Yu Bao Yuan Zheng Hong Cheng Haiqing Cai Xiuming Feng Wenjun Yang Sihan Hu Lin Wang Qijing Liao Fei Wang Cahoqun Liu Xing Chen Yunfeng Zou Xiaobo Yang Source Type: research
Construction of a novel ferrihydrite/MoS < sub > 2 < /sub > heterogeneous Fenton-like catalyst for efficient degradation of organic pollutants under neutral conditions
Environ Sci Pollut Res Int. 2023 Sep 16. doi: 10.1007/s11356-023-29776-z. Online ahead of print.ABSTRACTIn this work, we have fabricated a novel Fenton-like ferrihydrite/MoS2 (Fh/MoS2) composite and verified that the introduction of a small amount of iron on the surface of MoS2 can directly promote the exposure of Mo4+, finally enhancing the catalytic activity of the catalyst. Even though the content of iron element is only 1.19% in the composite, the reaction rate constant of Fh/MoS2 system for the degradation of environmental pollutants, such as organic dyes, antibiotic, and ionic liquid, is all much better than that of ...
Source: Environmental Science and Pollution Research International - September 16, 2023 Category: Environmental Health Authors: Da Chang Juanjuan Sun Chang Wang Linlin Hao Ming Zeng Source Type: research
School-based supplementation with iron-folic acid or multiple micronutrient tablets to address anemia among adolescents in Burkina Faso: a cluster-randomized trial
CONCLUSIONS: Results do not provide strong evidence that weekly IFA or daily MMS supplementation alone is effective, but supplementation may play a role in addressing adolescent anemia if combined with co-interventions. Additional research is required to determine the best strategy to address anemia.CLINICAL TRIAL REGISTRY: ClinicalTrials.gov, NCT04657640 TRIAL REGISTRATION: Clinicaltrials.gov Identifier: NCT04657640, registered December 8, 2020.PMID:37716443 | DOI:10.1016/j.ajcnut.2023.09.004
Source: The American Journal of Clinical Nutrition - September 16, 2023 Category: Nutrition Authors: Ilana R Cliffer Ourohir é Millogo Yllassa Barry Idrissa Kouanda Guillaume Compaore Dongqing Wang Ali Sie Wafaie Fawzi Source Type: research
Enhanced Adsorption of Hexavalent Chromium from Aqueous Solutions by Iron- manganese Modified Cedarwood Biochar: Synthesis, Performance, Mechanism, and Variables
Bull Environ Contam Toxicol. 2023 Sep 16;111(3):43. doi: 10.1007/s00128-023-03802-9.ABSTRACTThree modified biochar (Cunninghamia lanceolata) with iron and manganese elementals (FMBCs) were successfully prepared and used to remove hexavalent chromium (Cr(VI)) from aqueous solutions. The biochar before and after decoration were characterized by advanced instruments. The adsorption capacities of modified biochar in different Cr(VI) (20 mg·L- 1, 1 mg·L- 1) solutions were 4868.28 mg·kg- 1 and 300 mg·kg- 1. The Cr(VI) removal was highest at pH 2. The possible adsorption was considered to be ion exchange adsorption, chemisorp...
Source: Bulletin of Environmental Contamination and Toxicology - September 16, 2023 Category: Environmental Health Authors: Jizhuang Chu Shuhan Xin Yihang He Xin Gao Xin Zhou Yingqi Zhang Xinxin Liu Xinru Zhang Shiliang Wang Source Type: research
