Effects of combined microplastic and cadmium pollution on sorghum growth, Cd accumulation, and rhizosphere microbial functions
In this study, energy sorghum was used as a test plant to investigate the effects of two types of MPs, polystyrene (PS) and polyethylene (PE), at different particle sizes (13 μm, 550 μm) and concentrations (0.1%, 1% w/w), and Cd, as well as their interactions, on the growth of sorghum in a soil-cultivation pot experiment. The results showed that the combined effects of MP and Cd pollution on the dry weight and Cd accumulation rate in sorghum varied depending on the type, concentration, and particle size of the MPs, with an overall trend of increasing stress from combined pollution with increasing Cd content and accumulat...
Source: Ecotoxicology and Environmental Safety - April 27, 2024 Category: Environmental Health Authors: Li-Yang Duan Yu Zhang Yu-Ying Li Xiao-Qi Li Yong-Qi Liu B Larry Li Chuan-Yu Ding Xue-Min Ren Peng-Fei Duan Hui Han Zhao-Jin Chen Source Type: research
Sediment microbial fuel cell coupled floating treatment wetland for enhancing non-reactive phosphorus removal
This study presents the first investigation on the removal performance and mechanism of three model NRP compounds, sodium tripolyphosphate (STPP), adenosine 5'-monophosphate (AMP) and 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTC), in the sediment microbial fuel cell-floating treatment wetland (SMFC-FTW). Coupling SMFC with plants proved to be effective at removing NRP via electrochemical oxidation and plant uptake, particularly the challenging-to-degrade phosphonates that contain C-P bonds. Compared with the control group, the removal efficiencies of the model NRP in SMFC were observed to increase by 11.9% to 20.8%. SM...
Source: Chemosphere - April 27, 2024 Category: Chemistry Authors: Shuting Shen Longxiao Xie Rui Wan Xiang Li Xiwu Lu Hongliang Dai Source Type: research
Sediment microbial fuel cell coupled floating treatment wetland for enhancing non-reactive phosphorus removal
This study presents the first investigation on the removal performance and mechanism of three model NRP compounds, sodium tripolyphosphate (STPP), adenosine 5'-monophosphate (AMP) and 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTC), in the sediment microbial fuel cell-floating treatment wetland (SMFC-FTW). Coupling SMFC with plants proved to be effective at removing NRP via electrochemical oxidation and plant uptake, particularly the challenging-to-degrade phosphonates that contain C-P bonds. Compared with the control group, the removal efficiencies of the model NRP in SMFC were observed to increase by 11.9% to 20.8%. SM...
Source: Chemosphere - April 27, 2024 Category: Chemistry Authors: Shuting Shen Longxiao Xie Rui Wan Xiang Li Xiwu Lu Hongliang Dai Source Type: research
Effects of combined microplastic and cadmium pollution on sorghum growth, Cd accumulation, and rhizosphere microbial functions
In this study, energy sorghum was used as a test plant to investigate the effects of two types of MPs, polystyrene (PS) and polyethylene (PE), at different particle sizes (13 μm, 550 μm) and concentrations (0.1%, 1% w/w), and Cd, as well as their interactions, on the growth of sorghum in a soil-cultivation pot experiment. The results showed that the combined effects of MP and Cd pollution on the dry weight and Cd accumulation rate in sorghum varied depending on the type, concentration, and particle size of the MPs, with an overall trend of increasing stress from combined pollution with increasing Cd content and accumulat...
Source: Ecotoxicology and Environmental Safety - April 27, 2024 Category: Environmental Health Authors: Li-Yang Duan Yu Zhang Yu-Ying Li Xiao-Qi Li Yong-Qi Liu B Larry Li Chuan-Yu Ding Xue-Min Ren Peng-Fei Duan Hui Han Zhao-Jin Chen Source Type: research
Sensors, Vol. 24, Pages 2784: Predicting Soil Organic Matter, Available Nitrogen, Available Phosphorus and Available Potassium in a Black Soil Using a Nearby Hyperspectral Sensor System
Xueli Chen
Black soils, which play an important role in agricultural production and food security, are well known for their relatively high content of soil organic matter (SOM). SOM has a significant impact on the sustainability of farmland and provides nutrients for plants. Hyperspectral imaging (HSI) in the visible and near-infrared region has shown the potential to detect soil nutrient levels in the laboratory. However, using portable spectrometers directly in the field remains challenging due to variations in soil moisture (SM). The current study used spectral data captured by a handheld spectrometer outdoors to pr...
Source: Sensors - April 27, 2024 Category: Biotechnology Authors: Shuming Wan Jiaqi Hou Jiangsan Zhao Nicholas Clarke Corn é Kempenaar Xueli Chen Tags: Article Source Type: research
Molecules, Vol. 29, Pages 2025: Synthesis and Characterization of Novel Cobalt Carbonyl Phosphorus and Arsenic Clusters
ed Scheer
Phosphorus- and arsenic-containing cobalt clusters are an interesting class of compounds that continue to provide new structures with captivating bonding patterns. Although the first members of this family were reported 45 years ago, the number of such species is still limited within the broad family of transition metal complexes bearing pnictogen atoms. Herein, we present the reaction of Co2(CO)8 as a cobalt source with a number of phosphorus- and arsenic-containing compounds under variable reaction conditions. These reactions result in various known and novel cobalt phosphorus and cobalt arsenic clusters in...
Source: Molecules - April 27, 2024 Category: Chemistry Authors: Mehdi Elsayed Moussa Susanne Bauer Christian Gra ßl Christoph Riesinger G ábor Balázs Manfred Scheer Tags: Article Source Type: research
Innovative treatment of industrial effluents through combining ferric iron and attapulgite application
Chemosphere. 2024 Apr 24:142132. doi: 10.1016/j.chemosphere.2024.142132. Online ahead of print.ABSTRACTThe escalation of industrial activities has escalated the production of pharmaceutical and dyeing effluents, raising significant environmental issues. In this investigation, a hybrid approach of Fenton-like reactions and adsorption was used for deep treatment of these effluents, focusing on effects of variables like hydrogen peroxide concentration, catalyst type, pH, reaction duration, temperature, and adsorbent quantity on treatment effectiveness, and the efficacy of acid-modified attapulgite (AMATP) and ferric iron (Fe(...
Source: Chemosphere - April 26, 2024 Category: Chemistry Authors: Zhenxiang Pan Bizhen Zeng Liguo Shen Jiaheng Teng Tongli Lai Leihong Zhao Genying Yu Hongjun Lin Source Type: research
Carbene-catalyzed and Pnictogen Bond-assisted Access to PIII-Stereogenic Compounds
Angew Chem Int Ed Engl. 2024 Apr 26:e202404477. doi: 10.1002/anie.202404477. Online ahead of print.ABSTRACTIntermolecular pnictogen bonding (PnB) catalysis has received increased interest in non-covalent organocatalysis. It has been demonstrated that organic electron-deficient pnictogen atoms can act as prospective Lewis acids. Here, we present a catalytic approach for the asymmetric synthesis of chiral PIII compounds by combining intramolecular PnB interactions and carbene catalysis. Our design features a pre-chiral phosphorus molecules bearing two electron-withdrawing benzoyl groups, resulting in the formation of a σ-ho...
Source: Angewandte Chemie - April 26, 2024 Category: Chemistry Authors: Jianjian Liu Rui Deng Xuyang Liang Mali Zhou Pengcheng Zheng Yonggui Robin Chi Source Type: research
Surface Engineering of < em > Escherichia coli < /em > to Display Its Phytase (AppA) and Functional Analysis of Enzyme Activities
This study explored a homologous protein production approach for displaying AppA on the cell surface of E. coli by engineering its outer membrane (OM) for extracellular expression. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis analysis of total bacterial lysates and immunofluorescence microscopy of non-permeabilized cells revealed protein expression, whereas activity assays using whole cells or OM fractions indicated functional enzyme display, as evidenced by consistent hydrolytic rates on typical substrates (i.e., p-nitrophenyl phosphate and phytic acid). Furthermore, the in vitro results obtained using a simp...
Source: Current Issues in Molecular Biology - April 26, 2024 Category: Molecular Biology Authors: Patricia L A Mu ñoz-Muñoz Celina Ter án-Ramírez Rosa E Mares-Alejandre Ariana B M árquez-González Pablo A Madero-Ayala Samuel G Mel éndez-López Marco A Ramos-Ibarra Source Type: research
Innovative treatment of industrial effluents through combining ferric iron and attapulgite application
Chemosphere. 2024 Apr 24:142132. doi: 10.1016/j.chemosphere.2024.142132. Online ahead of print.ABSTRACTThe escalation of industrial activities has escalated the production of pharmaceutical and dyeing effluents, raising significant environmental issues. In this investigation, a hybrid approach of Fenton-like reactions and adsorption was used for deep treatment of these effluents, focusing on effects of variables like hydrogen peroxide concentration, catalyst type, pH, reaction duration, temperature, and adsorbent quantity on treatment effectiveness, and the efficacy of acid-modified attapulgite (AMATP) and ferric iron (Fe(...
Source: Chemosphere - April 26, 2024 Category: Chemistry Authors: Zhenxiang Pan Bizhen Zeng Liguo Shen Jiaheng Teng Tongli Lai Leihong Zhao Genying Yu Hongjun Lin Source Type: research
Surface Engineering of < em > Escherichia coli < /em > to Display Its Phytase (AppA) and Functional Analysis of Enzyme Activities
This study explored a homologous protein production approach for displaying AppA on the cell surface of E. coli by engineering its outer membrane (OM) for extracellular expression. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis analysis of total bacterial lysates and immunofluorescence microscopy of non-permeabilized cells revealed protein expression, whereas activity assays using whole cells or OM fractions indicated functional enzyme display, as evidenced by consistent hydrolytic rates on typical substrates (i.e., p-nitrophenyl phosphate and phytic acid). Furthermore, the in vitro results obtained using a simp...
Source: Mol Biol Cell - April 26, 2024 Category: Molecular Biology Authors: Patricia L A Mu ñoz-Muñoz Celina Ter án-Ramírez Rosa E Mares-Alejandre Ariana B M árquez-González Pablo A Madero-Ayala Samuel G Mel éndez-López Marco A Ramos-Ibarra Source Type: research
Nutrient remobilization and C:N:P stoichiometry in response to elevated CO < sub > 2 < /sub > and low phosphorus availability in rice cultivars introgressed with and without Pup1
Plant Physiol Biochem. 2024 Apr 23;210:108657. doi: 10.1016/j.plaphy.2024.108657. Online ahead of print.ABSTRACTThe continuously rising atmospheric CO2 concentration potentially increase plant growth through stimulating C metabolism; however, plant C:N:P stoichiometry in response to elevated CO2 (eCO2) under low P stress remains largely unknown. We investigated the combined effect of eCO2 and low phosphorus on growth, yield, C:N:P stoichiometry, and remobilization in rice cv. Kasalath (aus type), IR64 (a mega rice variety), and IR64-Pup1 (Pup1 QTL introgressed IR64). In response to eCO2 and low P, the C accumulation increa...
Source: Physiological Research - April 26, 2024 Category: Physiology Authors: Sandeep Sharma D H Raviteja Tarun Kumar Prem S Bindraban Renu Pandey Source Type: research
Relationship between arginine methylation and vascular calcification
Cell Signal. 2024 Apr 24:111189. doi: 10.1016/j.cellsig.2024.111189. Online ahead of print.ABSTRACTIn patients on maintenance hemodialysis (MHD), vascular calcification (VC) is an independent predictor of cardiovascular disease (CVD), which is the primary cause of death in chronic kidney disease (CKD). The main component of VC in CKD is the vascular smooth muscle cells (VSMCs). VC is an ordered, dynamic activity. Under the stresses of oxidative stress and calcium‑phosphorus imbalance, VSMCs undergo osteogenic phenotypic transdifferentiation, which promotes the formation of VC. In addition to traditional epigenetics like ...
Source: Cellular Signalling - April 26, 2024 Category: Cytology Authors: Chen Chen Yuanyuan Ding Qun Huang Chen Zhang Zixia Zhao Hua Zhou Detian Li Guangyu Zhou Source Type: research
Innovative treatment of industrial effluents through combining ferric iron and attapulgite application
Chemosphere. 2024 Apr 24;358:142132. doi: 10.1016/j.chemosphere.2024.142132. Online ahead of print.ABSTRACTThe escalation of industrial activities has escalated the production of pharmaceutical and dyeing effluents, raising significant environmental issues. In this investigation, a hybrid approach of Fenton-like reactions and adsorption was used for deep treatment of these effluents, focusing on effects of variables like hydrogen peroxide concentration, catalyst type, pH, reaction duration, temperature, and adsorbent quantity on treatment effectiveness, and the efficacy of acid-modified attapulgite (AMATP) and ferric iron ...
Source: Chemosphere - April 26, 2024 Category: Chemistry Authors: Zhenxiang Pan Bizhen Zeng Liguo Shen Jiaheng Teng Tongli Lai Leihong Zhao Genying Yu Hongjun Lin Source Type: research
Carbene-catalyzed and Pnictogen Bond-assisted Access to PIII-Stereogenic Compounds
Angew Chem Int Ed Engl. 2024 Apr 26:e202404477. doi: 10.1002/anie.202404477. Online ahead of print.ABSTRACTIntermolecular pnictogen bonding (PnB) catalysis has received increased interest in non-covalent organocatalysis. It has been demonstrated that organic electron-deficient pnictogen atoms can act as prospective Lewis acids. Here, we present a catalytic approach for the asymmetric synthesis of chiral PIII compounds by combining intramolecular PnB interactions and carbene catalysis. Our design features a pre-chiral phosphorus molecules bearing two electron-withdrawing benzoyl groups, resulting in the formation of a σ-ho...
Source: Angewandte Chemie - April 26, 2024 Category: Chemistry Authors: Jianjian Liu Rui Deng Xuyang Liang Mali Zhou Pengcheng Zheng Yonggui Robin Chi Source Type: research
