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Total 8422 results found since Jan 2013.
Facile synthesis of novel magnesium oxide nanoparticles for pesticide sorption from water
Environ Sci Pollut Res Int. 2023 Aug 31. doi: 10.1007/s11356-023-29562-x. Online ahead of print.ABSTRACTThe quantum of pesticides in surface as well as drinking water has become a serious health hazard. In this experiment, magnesium oxide nanoparticles (MgO NPs) were synthesized using leaves of purple-colored rice variety (Crossa) and utilized for simultaneous removal of three pesticides, namely, thiamethoxam, chlorpyriphos, and fenpropathrin from water. The biogenic MgO NPs were characterized using SEM-EDX, FTIR, XRD, DLS, etc. The optimum synthesis parameters (1 M NaOH, 80 °C, and 2 h) resulted in maximum yield of MgO N...
Source: Environmental Science and Pollution Research International - August 31, 2023 Category: Environmental Health Authors: Abhijit Kar Sonali Deole Basana Gowda Gadratagi Naveenkumar Patil Govindharaj Guru-Pirasanna-Pandi Bibhab Mahapatra Totan Adak Source Type: research
Label-free SERS detection of apolipoprotein A4 based on DNAzyme-driven molecular machine
Talanta. 2023 Aug 28;266(Pt 2):125131. doi: 10.1016/j.talanta.2023.125131. Online ahead of print.ABSTRACTApolipoprotein A4 has a wide range of synaptic toxicity and can be used as a reliable molecular biomarker for the detection of depressive disorder. It has certain clinical requirements for simple, rapid and selective detection of apolipoprotein A4. Here, based on the DNA biped walker driven by DNAzyme, we designed a label-free surface-enhanced Raman scatting sensor for rapid detection of apolipoprotein A4. Compared with the typical DNA walker, the biped DNA walker has the advantages of large walking range and high magni...
Source: Talanta - August 31, 2023 Category: Chemistry Authors: Yuanxun Gong Dehong Yu Jiuying Cui Zichun Song Qianli Tang Xianjiu Liao Ning Xin Fenglei Gao Source Type: research
Multiblock copolymers based on highly crystalline polyethylene and soft poly(ethylene-co-butadiene) segments: towards polyolefin thermoplastic elastomers
Angew Chem Int Ed Engl. 2023 Aug 29:e202310437. doi: 10.1002/anie.202310437. Online ahead of print.ABSTRACTBlock copolymers based on polyethylene (PE) and ethylene butadiene rubber (EBR) were obtained by successive controlled coordinative chain transfer polymerization (CCTP) of a mixture of ethylene and butadiene (80/20) and pure ethylene. EBR-b-PE diblock copolymers were synthesized using {Me2Si(C13H8)2Nd(BH4)2Li(THF)}2 complex in combination with n-butyl,n-octyl magnesium (BOMAG) used as both alkylating and chain transfer agent (CTA). Triblock and multiblock copolymers featuring highly semi-crystalline PE hard segments a...
Source: Angewandte Chemie - August 29, 2023 Category: Chemistry Authors: Marvin Langlais Nicolas Baulu S éverin Dronet Charlotte Dire Fran çois Jean-Baptiste-Dit-Dominique David Albertini Franck D'Agosto Damien Montarnal Christophe Boisson Source Type: research
Magnesium bioactive glass hybrid functionalized polyetheretherketone with immunomodulatory function to guide cell fate and bone regeneration
In this study, we developed a multifunctional PEEK implant through the in-situ incorporation of chitosan-coated bioactive glass nanoparticles (BGNs). This approach can impart immunomodulatory properties and enhance the potential for osseointegration. The resulting biofunctionalized PEEK material exhibited multiple beneficial effects. For instance, it facilitated M2 phenotypic polarization of macrophages, diminished the expression of inflammatory factors, and enhanced the osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) in vitro. Moreover, it exhibited an improved capacity for osseointegration when t...
Source: Colloids and Surfaces - August 27, 2023 Category: Biotechnology Authors: Xuesong Liu Xinyu Li Shicheng Huo Liangjing Lu Chun Zhou Zhanyu Li Source Type: research
Prediction of water quality under the impacts of fine dust and sand storm events using an experimental model and multivariate regression analysis
Environ Pollut. 2023 Aug 25:122462. doi: 10.1016/j.envpol.2023.122462. Online ahead of print.ABSTRACTMany regions of the world, especially arid and semiarid areas, occasionally experience fine dust and sandstorms, known environmental problems that make normal life difficult. Since the intrusion of large amounts of dust into treatment plants may significantly change the water quality indices, the main goal of this study was to estimate these indices during the events, which can help decision-makers to improve water quality. To achieve relationships using nonlinear multivariate regression analysis, a long-term (three years: ...
Source: Environmental Pollution - August 27, 2023 Category: Environmental Health Authors: Majid Galoie Artemis Motamedi Jihui Fan Mahdi Moudi Source Type: research
Magnesium bioactive glass hybrid functionalized polyetheretherketone with immunomodulatory function to guide cell fate and bone regeneration
In this study, we developed a multifunctional PEEK implant through the in-situ incorporation of chitosan-coated bioactive glass nanoparticles (BGNs). This approach can impart immunomodulatory properties and enhance the potential for osseointegration. The resulting biofunctionalized PEEK material exhibited multiple beneficial effects. For instance, it facilitated M2 phenotypic polarization of macrophages, diminished the expression of inflammatory factors, and enhanced the osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) in vitro. Moreover, it exhibited an improved capacity for osseointegration when t...
Source: Colloids and Surfaces - August 27, 2023 Category: Biotechnology Authors: Xuesong Liu Xinyu Li Shicheng Huo Liangjing Lu Chun Zhou Zhanyu Li Source Type: research
Proximity ligation initiated DNAzyme-powered catalytic hairpin assembly for sensitive and accurate microRNA analysis
Anal Biochem. 2023 Aug 24:115299. doi: 10.1016/j.ab.2023.115299. Online ahead of print.ABSTRACTMicroRNAs (miRNAs) play a significant role in regulating diverse physiological processes, and are regarded as novel diagnostic biomarkers. However, the sensitive and reliable miRNA detection remains a huge challenge. Herein, we propose a proximity ligated initiated magnesium ion (Mg2+)-dependent DNAzyme-powered signal cascade for sensitive, accurate and reliable detection of miRNAs. Three signal amplification processes are involved in this approach, including the target miRNA recycle, DNAzyme powered substrate cleavage, and catal...
Source: Analytical Biochemistry - August 26, 2023 Category: Biochemistry Authors: Jiaguang Su Wenjun Zheng Yanbin Pan Source Type: research
Insights on the Nutritional Profiling of Cantaloupe ( < em > Cucumis melo < /em > L.) via 1-Naphthalene Acetic Acid
This study was conducted to investigate the influence of different concentrations (0 (control), 100, 150, and 200 ppm) of 1-naphthalene acetic acid (1-NAA) on the nutritional components of the cantaloupe (Cucumis melo L. Var. Super White Honey). All the studied treatments were applied twice at the 2nd and 4th leaf stages. The applied concentrations of 1-NAA significantly improved the sex expression and fruit yield attributes. Different nutritional components like proximate contents, minerals, vitamins, selected fatty acids, and amino acids were analyzed. The results showed that the maximum moisture content, proteins, carbo...
Source: Rural Remote Health - August 26, 2023 Category: Rural Health Authors: Sajjad Ali Atta Ur Rahman Ehsan Ali Fadime Karabulut Saqib Ali Riaz Ahmad Mohamed E Fadl Mohamed A E AbdelRahman Mohamed A A Ahmed Antonio Scopa Source Type: research
Evaluation of Nanomagnesium Oxide in Combination with Garlic Extract as an Endodontic Irrigant: An < em > In Vitro < /em > Study
CONCLUSIONS: Under the conditions of this study, a novel irrigant, a combination of nanoparticles of MgO and garlic extract was as effective as NaOCl against E. faecalis in an in vitro model at two tested contact times.CLINICAL SIGNIFICANCE: Combination of MgO nanoparticles and garlic extract achieves disinfection comparable to gold standard NaOCl without harmful caustic effects of hypochlorite.PMID:37622623 | DOI:10.5005/jp-journals-10024-3530
Source: J Contemp Dent Pract - August 25, 2023 Category: Dentistry Authors: Malikka Navayath Seshan Rakkesh Ramesh Rajeswari Kalaiselvam Rupa Ashok Mathan Rajan Rajendran Lakshmi Balaji Source Type: research
