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Ultrasonic-pretreated hydrothermal synthesis of less dense zeolite CHA from the transformation of zeolite T
Ultrason Sonochem. 2023 Sep 14;100:106598. doi: 10.1016/j.ultsonch.2023.106598. Online ahead of print.ABSTRACTBecause of containing the same double 6-ring (D6R) building unit, the pure zeolite CHA with lower framework density (FDSi = 15.1 T/1000 Å3) has been transformed from zeolite T with higher framework density (FDSi = 16.1 T/1000 Å3) through ultrasonic-pretreated hydrothermal synthesis in MOH (KOH and NaOH) solution without adding organic template or seed crystals. Ultrasonic pretreatment facilitates the transformation rate and generates high-quality zeolite CHA. The ultrasound condition should be precisely controlle...
Source: Ultrasonics Sonochemistry - September 18, 2023 Category: Chemistry Authors: Xiaoyan Yin Ning Liu Muhua Han Fan Xu Yun Jia Feng Song Hongyou Cui Source Type: research
Biological interactions with Prochlorococcus: implications for the marine carbon cycle
Trends Microbiol. 2023 Sep 16:S0966-842X(23)00258-5. doi: 10.1016/j.tim.2023.08.011. Online ahead of print.ABSTRACTThe unicellular picocyanobacterium Prochlorococcus is the most abundant photoautotroph and contributes substantially to global CO2 fixation. In the vast euphotic zones of the open ocean, Prochlorococcus converts CO2 into organic compounds and supports diverse organisms, forming an intricate network of interactions that regulate the magnitude of carbon cycling and storage in the ocean. An understanding of the biological interactions with Prochlorococcus is critical for accurately estimating the contributions of...
Source: Trends in Microbiology - September 18, 2023 Category: Microbiology Authors: Lanlan Cai Haofu Li Junwei Deng Ruiqian Zhou Qinglu Zeng Source Type: research
Role of organic cation transporter 3 (OCT3) in the response of hepatocellular carcinoma to tyrosine kinase inhibitors
In conclusion, analysis by immunohistochemistry of OCT3 in the PM of tumor cells may help to predict the response of HCC patients to sorafenib and potentially to other TKIs.PMID:37722628 | DOI:10.1016/j.bcp.2023.115812
Source: Biochemical Pharmacology - September 18, 2023 Category: Drugs & Pharmacology Authors: Elisa Herraez Ruba Al-Abdulla Meraris Soto Oscar Briz Dominik Bettinger Heike Bantel Sofia Del Carmen Maria A Serrano Andreas Geier Jose J G Marin Rocio I R Macias Source Type: research
Sequential detection of inflammation-related hypochlorite ions and viscosity with a relay fluorescent probe
Org. Biomol. Chem., 2023, Advance Article DOI: 10.1039/D3OB00967J, PaperYu-Qing Zhang, Zhi-Nan Kang, Jing-Jie Ming, Sheng-Nan Suo, Jia-Ling Kang, Hai Xu, Ya-Wen Wang, Yu Peng A new fluorescent probe has been developed for relay detection of hypochlorite ions and viscosity. To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - Organic and Biomolecular Chemistry - September 18, 2023 Category: Molecular Biology Authors: Yu-Qing Zhang Source Type: research
A phthalocyanine-based porous organic polymer for a lithium-ion battery anode
Dalton Trans., 2023, Advance Article DOI: 10.1039/D3DT02548A, PaperLihua Guo, Chunhua Li, Yougui Zhou, Xinmeng Hao, Huipeng Li, Hong Shang, Bing Sun A phthalocyanine-based porous organic polymer was constructedin situ on copper foil directly used as an anode without any binder or conductive additives, exhibiting great potential for high-energy density lithium-ion batteries. To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - Dalton Trans. latest articles - September 18, 2023 Category: Chemistry Authors: Lihua Guo Source Type: research
The role of dimensionality and direction of hydrogen-bonded networks in the mechanical flexibility of organic crystals
CrystEngComm, 2023, Advance Article DOI: 10.1039/D3CE00681F, HighlightBinoy K. Saha, Sunirban Das, Ragima V. P. Veluthaparambath The role of directionality and dimensionality of hydrogen-bonded synthons in the flexibility of organic crystals has been discussed. To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - CrystEngComm latest articles - September 18, 2023 Category: Chemistry Authors: Binoy K. Saha Source Type: research
Novel Triangulenes: Computational Investigations of Energy Thresholds for Photocatalytic Water Splitting
Chemphyschem. 2023 Sep 17:e202300556. doi: 10.1002/cphc.202300556. Online ahead of print.ABSTRACTOrganic materials with Inverted Singlet-Triplet (INVEST) gaps are interesting for their potential use as photocatalytic small molecule transformations, like the entirely solar-driven water splitting reaction. However, only few INVEST emitters are thermodynamically able to split water, with first singlet excited states, S1, above 1.27 or 1.76 eV; and absorbing near solar maximum, 2.57 eV. These requirements and the INVEST character are key for achieving long-lived photocatalyst for water splitting. The only known INVEST emitters...
Source: Chemphyschem - September 17, 2023 Category: Chemistry Authors: Kevin Curtis Corban King Samuel O Odoh Source Type: research
Effervescent tablet-assisted deep eutectic solvent based on magnetic nanofluid for liquid phase microextraction of tyrosine kinase inhibitors in plasma samples by high-performance liquid chromatography
CONCLUSIONS: The developed method displayed high sensitivity, low consumption of solvent, low cost, simplicity, high recoveries, short extraction time, and good repeatability for determination of three anti-cancer drugs in human plasma samples.PMID:37717246 | DOI:10.1007/s43440-023-00524-x
Source: Pharmacological Reports - September 17, 2023 Category: Drugs & Pharmacology Authors: Khosrou Abdi Maryam Ezoddin Laleh Adlnasab Bahar Aziz Kabiri Mohammad Ali Karimi Somaye Behnamipour Houman Alimoradi Source Type: research
Single-molecule analysis of osmolyte-mediated nanomechanical unfolding behavior of a protein domain
Int J Biol Macromol. 2023 Sep 15:126849. doi: 10.1016/j.ijbiomac.2023.126849. Online ahead of print.ABSTRACTThe small organic molecules, known as osmolytes being ubiquitously present in different cell types, affect protein folding, stability and aggregation. However, it is unknown how the osmolytes affect the nanomechanical unfolding behavior of protein domain. Here, we show the osmolyte-dependent mechanical unfolding properties of protein titin immunoglobulin-27 (I27) domain using an atomic force microscopy (AFM)-based single-molecule force spectroscopy. We found that amines and methylamines improved the mechanical stabil...
Source: International Journal of Biological Macromolecules - September 17, 2023 Category: Biochemistry Authors: Manish Bajaj Mohd Muddassir Bumjoon Choi Priyanka Singh Jong Bum Park Surjeet Singh Manisha Yadav Rajesh Kumar Kilho Eom Deepak Sharma Source Type: research
Green synthesis of multifunctional zinc oxide nanoparticles from cordia myxa gum; and their catalytic reduction of nitrophenol, anticancer and antimicrobial activity
This study uses CMX gum as a bioreduction to produce multifunctional, environmentally friendly zinc-oxide nanocomposites (ZnO NPs). The process involves a low reaction time and temperature and utilizes CMX as a reducing and stabilizing agent. The structural, morphological, and optical properties of the CMX-ZnO nanocomposite were characterized. The biosynthetic CMX-ZnO NPs exhibited robust catalytic activity and recycling capacity for rapidly oxidizing hazardous p-NPs. The complete reduction of 4-NP to CMX-ZnO NPs in excess NaBH4 was achieved within 15 min, with recyclability and pseudo-first-order kinetics with a rate cons...
Source: International Journal of Biological Macromolecules - September 17, 2023 Category: Biochemistry Authors: Kasula Nagaraja O H Tae Hwan Source Type: research
Production of (hydroxy)benzoate-derived polyketides by engineered Pseudomonas with in situ extraction
Bioresour Technol. 2023 Sep 15:129741. doi: 10.1016/j.biortech.2023.129741. Online ahead of print.ABSTRACTPolyketides from (hydroxy)benzoates are an interesting group of plant polyphenolic compounds, whose biotechnological production is so-far underrepresented due to their challenging heterologous biosynthesis. Efficient heterologous production of 2,4,6-tri- and 2,3',4,6-tetrahydroxybenzophenone, 3,5-dihydroxybiphenyl, and 4-hydroxycoumarin by whole-cell biocatalysis in combination with in situ product extraction with an organic solvent was demonstrated. Production was highly dependent on the used CoA ligase and polyketide...
Source: Bioresource Technology - September 17, 2023 Category: Biotechnology Authors: Tobias Schwanemann Esther A Urban Christian Eberlein Jochem G ätgens Daniela Rago Nicolas Krink Pablo I Nikel Hermann J Heipieper Benedikt Wynands Nick Wierckx Source Type: research
Prussian blue analogues derived magnetic FeCo@GC material as high-performance metallic peroxymonosulfate activators to degrade tetrabromobisphenol A over a wide pH range
In this study, a magnetic composite material derived from MOF was synthesised and used as a new catalyst for rapid degradation of tetrabromobisphenol A (TBBPA). Compared to precarbonisation, FeCo@GC formed a conductive graphite carbon skeleton, retained the complete rhombododecahedron structure, had a larger specific surface area and provided more active sites for peroxymonosulfate (PMS) activation. The target pollutant TBBPA (20 mg/L) was completely degraded within 30 min, and the mineralisation rate reached 40.98% in the FeCo@GC (150 mg/L) and PMS (1 mM) systems, owing to the synergistic interaction between Fe, Co and gr...
Source: Environmental Science and Pollution Research International - September 17, 2023 Category: Environmental Health Authors: Liu Qian Hui Li Dengsong Zhang Lin Guo Wenxue Pan Jin Zhang Minghui Xiang Source Type: research
A new SERS quantitative analysis method for trace malathion with recognition and catalytic amplification difunctional MOF < sub > Tb < /sub > @Au@MIP nanoprobe
Talanta. 2023 Sep 13;267:125166. doi: 10.1016/j.talanta.2023.125166. Online ahead of print.ABSTRACTNew multifunctional nanomaterial preparation and its application to trace pollutant analysis are interesting to peoples. Using terbium metal-organic framework loaded gold nanoparticles (MOFTb@Au) as the nanosubstrate and 3-aminopropyltriethoxysilane (APTES) as the functional monomer, a new bifunctional nanosurface molecularly imprinted polymer nanoprobe of MOFTb@Au@MIP with strongly recognition and catalytic amplification functions was prepared by the microwave sol-gel procedure. It was characterized by scanning electron micr...
Source: Talanta - September 17, 2023 Category: Chemistry Authors: Yiyi Shu Jingjing Li Hongyan Bai Aihui Liang Guiqing Wen Zhiliang Jiang Source Type: research
Single-molecule analysis of osmolyte-mediated nanomechanical unfolding behavior of a protein domain
Int J Biol Macromol. 2023 Sep 15:126849. doi: 10.1016/j.ijbiomac.2023.126849. Online ahead of print.ABSTRACTThe small organic molecules, known as osmolytes being ubiquitously present in different cell types, affect protein folding, stability and aggregation. However, it is unknown how the osmolytes affect the nanomechanical unfolding behavior of protein domain. Here, we show the osmolyte-dependent mechanical unfolding properties of protein titin immunoglobulin-27 (I27) domain using an atomic force microscopy (AFM)-based single-molecule force spectroscopy. We found that amines and methylamines improved the mechanical stabil...
Source: Cell Research - September 17, 2023 Category: Cytology Authors: Manish Bajaj Mohd Muddassir Bumjoon Choi Priyanka Singh Jong Bum Park Surjeet Singh Manisha Yadav Rajesh Kumar Kilho Eom Deepak Sharma Source Type: research
Fluorine-tailed glass fibers for adsorption of volatile perfluorinated compounds via F-F interaction
In this study, new fluorine-containing tail materials (FCTMs) were prepared by combining fluorine-containing tail organic compounds with modified glass fibers. The adsorption effects of these FCTMs were generally stronger than that of pure activated glass fibers without fluorine- tailed, with an adsorption efficiency of up to 86% based on F-F interactions. The results showed that the FCTMs had improved desorption efficiency and reusability, and higher adsorption efficiency compared with that of polyurethane foam. FTGF was applied to the active sampler, and the indoor adsorption of perfluorovaleric acid was up to 2.45 ng/m3...
Source: Environment International - September 17, 2023 Category: Environmental Health Authors: Yangyang Song Yawen Wu Di Wu Xiaofan Ma Shaohua Jiang Zhihao Peng Chunmei Zhang Yongguang Yin Rui Guo Source Type: research
