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Total 20102 results found since Jan 2013.

Molecules, Vol. 28, Pages 6773: Construction of a Collagen-like Protein Based on Elastin-like Polypeptide Fusion and Evaluation of Its Performance in Promoting Wound Healing
Ye Xinmiao Liang In the healing of wounds, human-like collagen (hCol) is essential. However, collagen-based composite dressings have poor stability in vivo, which severely limits their current therapeutic potential. Based on the above, we have developed a recombinant fusion protein named hCol-ELP, which consists of hCol and an elastin-like peptide (ELP). Then, we examined the physicochemical and biological properties of hCol-ELP. The results indicated that the stability of the hCol-ELP fusion protein exhibited a more compact and homogeneous lamellar microstructure along with collagen properties, it was found to be s...
Source: Molecules - September 23, 2023 Category: Chemistry Authors: Yingli Chen Yuanyuan Wu Fengmin Xiong Wei Yu Tingting Wang Jingjing Xiong Luping Zhou Fei Hu Xianlong Ye Xinmiao Liang Tags: Article Source Type: research

Molecules, Vol. 28, Pages 6769: Revealing the Control Mechanisms of pH on the Solution Properties of Chitin via Single-Molecule Studies
Zheng Lu Qian Chitin is one of the most common polysaccharides and is abundant in the cell walls of fungi and the shells of insects and aquatic organisms as a skeleton. The mechanism of how chitin responds to pH is essential to the precise control of brewing and the design of smart chitin materials. However, this molecular mechanism remains a mystery. Results from single-molecule studies, including single-molecule force spectroscopy (SMFS), AFM imaging, and molecular dynamic (MD) simulations, have shown that the mechanical and conformational behaviors of chitin molecules show surprising pH responsiveness. This can be...
Source: Molecules - September 22, 2023 Category: Chemistry Authors: Song Zhang Miao Yu Guoqiang Zhang Guanmei He Yunxu Ji Juan Dong Huayan Zheng Lu Qian Tags: Article Source Type: research

Molecules, Vol. 28, Pages 6767: Antioxidant Properties and Secondary Metabolites Profile of Hyptis colombiana at Various Phenological Stages
In this study, H. colombiana plants at different phenological stages (vegetative, flowering, and post-flowering) were harvested to obtain essential oils (EOs) and extracts (from fresh plant materials or post-distillation waste) whose chemical compositions and antioxidant activities were determined. H. colombiana EOs distilled by microwave-assisted hydrodistillation were analyzed by GC/MS/FID, and hydroalcoholic extracts obtained from fresh plant materials or post-distillation waste were analyzed by UHPLC-ESI+/−-Orbitrap-MS. The antioxidant activity was evaluated by the ABTS+• and ORAC assays. The...
Source: Molecules - September 22, 2023 Category: Chemistry Authors: Sheila B. Beltr án Lady J. Sierra Jos é L. Fernández-Alonso Angie K. Romero Jairo R. Mart ínez Elena E. Stashenko Tags: Article Source Type: research

Molecules, Vol. 28, Pages 6760: Compatibility of Nucleobases Containing Pt(II) Complexes with Red Blood Cells for Possible Drug Delivery Applications
In this study, we evaluated the feasibility of loading model nucleobase-containing Pt(II) complexes into human RBCs that were highly stabilized by four N-donors and susceptible to further modification for possible antitumor/antiviral applications. Specifically, platinum-based nucleoside derivatives [PtII(dien)(N7-Guo)]2+, [PtII(dien)(N7-dGuo)]2+, and [PtII(dien)(N7-dGTP)] (dien = diethylenetriamine; Guo = guanosine; dGuo = 2′-deoxy-guanosine; dGTP = 5′-(2′-deoxy)-guanosine-triphosphate) were investigated. These Pt(II) complexes were demonstrated to be stable species suitable for in...
Source: Molecules - September 22, 2023 Category: Chemistry Authors: Federica De Castro Erika Stef àno Francesco Paolo Fanizzi Riccardo Di Corato Pasant Abdalla Francesca Luchetti Maria Gemma Nasoni Rosaria Rinaldi Mauro Magnani Michele Benedetti Antonella Antonelli Tags: Article Source Type: research

Understanding Creep Suppression Mechanisms in Polymer Nanocomposites through Machine Learning
Soft Matter, 2023, Accepted Manuscript DOI: 10.1039/D3SM00898C, PaperEntao Yang, James F Pressly, Bharath Natarajan, Robert Colby, Karen I Winey, Robert Riggleman While recent efforts have shown how local structure plays an essential role in the dynamic heterogeneity of homogeneous glass-forming materials, systems containing interfaces such as thin films or composite materials... The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - Soft Matter latest articles - September 21, 2023 Category: Chemistry Authors: Entao Yang Source Type: research

Theoretical insight into the essential role of charged surface for ammonia synthesis: Si-decorated carbon nitride electrode
We report a new Si-decorated carbon nitride (C5N2H2) electrode for sustainable generation of hydrogen storage medium, ammonia (NH3), which not only possesses sound electrical conductivity, dynamic stability, and electrochemical activity... The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - Phys. Chem. Chem. Phys. latest articles - September 21, 2023 Category: Chemistry Authors: Lei Yang Source Type: research

Rapid and sensitive determination of folic acid by facile synthesized dsDNA-CuNCs fluorescent probe
New J. Chem., 2023, Advance Article DOI: 10.1039/D3NJ02363J, PaperLuyao Liu, Yuchen Luo, Xuebing Zhang, Bo Deng, Deshuai Zhen, Zhangye Zhou, Hongbin Xie, Hao Liang, Lili Chen Folic acid (FA) is one of the essential vitamins for the growth and reproduction of human cells, and it is of great significance to detect FA in real time. 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 - New J. Chem. latest articles - September 21, 2023 Category: Chemistry Authors: Luyao Liu Source Type: research

Boron contamination and related health risk assessment in the soils collected from olive groves in İzmir province, Türkiye
In this study, it was aimed to determine the B pollution degree of the soils taken from the olive groves of İzmir province, which is approximately 180 km away from the B deposits in the Bigadiç district. In addition, the factors affecting boron adsorption and availability were discussed and the ecological and health risks of boron were evaluated. For this, soil samples were collected at depths of 0-30 cm from 118 olive groves and their B, Al, Fe, pH and organic matter contents were determined. The mean B content (47.08 mg/kg) of the study area was comparable to world-soil average B concentration (42 mg/kg). Also, B had a...
Source: Chemosphere - September 21, 2023 Category: Chemistry Authors: Memet Varol Ai şe Deliboran Halil Aytop Özgür Ateş Source Type: research

Carbon-Based Electron Buffer Layer on ZnOx-Fe5C2-Fe3O4 Boosts Ethanol Synthesis from CO2 Hydrogenation
Angew Chem Int Ed Engl. 2023 Sep 21:e202311786. doi: 10.1002/anie.202311786. Online ahead of print.ABSTRACTThe conversion of CO2 into ethanol with renewable H2 has attracted tremendous attention due to its integrated functions of carbon elimination and chemical synthesis, but still being challenging. The electronic property of catalyst is essential to determine the adsorption strength and configuration of the key intermediates, therefore altering the reaction network for targeted synthesis. Here, a carbon buffer layer is employed to tailor the electronic property of the ternary ZnOx-Fe5C2-Fe3O4, in which the electron trans...
Source: Angewandte Chemie - September 21, 2023 Category: Chemistry Authors: Yang Wang Wenhang Wang Ruosong He Meng Li Jinqiang Zhang Fengliang Cao Jianxin Liu Shiyuan Lin Xinhua Gao Guohui Yang Mingqing Wang Tao Xing Tao Liu Qiang Liu Han Hu Noritatsu Tsubaki Mingbo Wu Source Type: research

Synthesis and Immunological Evaluation of Escherichia coli O1- Derived Oligosaccharide –Protein Conjugates toward Avian Pathogenic Escherichia coli O1 Vaccine Development
In this study, the first synthesis of the pentasaccharide repeating units of the O1B and O1C antigens was successfully achieved. The synthesis and immunological evaluation of their conjugates with bovine serum albumin (BSA) were conducted. Only the O1A-pentasaccharide structure is a glycotope candidate for APEC O1. Keyhole limpet hemocyanin (KLH)–O1A-pentasaccharide conjugate was also synthesized, and its immunogenicity was evaluated by the ELISA assay. The efficient production of antibodies capable of binding to both APEC O1 LPS and the O1A-pentasaccharide structure was observed, indicating that O1A-pentasaccharide is a...
Source: Synthesis - September 21, 2023 Category: Chemistry Authors: Seki, Katsunori Makikawa, Takumi Toshima, Kazunobu Takahashi, Daisuke Tags: special topic Source Type: research

Molecules, Vol. 28, Pages 6728: Myrcene: A Natural Compound Showing Anticancer Activity in HeLa Cells
hi Chiara Zalambani γ-terpinene, α-terpinene, p-cymene, and myrcene are monoterpenes found in many essential oils extracted from a variety of plants and spices. Myrcene also occurs naturally in plants such as hops, cannabis, lemongrass, and verbena and is used as a flavoring agent in food and beverage manufacturing. In this research, the biological efficacy of γ-terpinene, α-terpinene, p-cymene, and myrcene was studied in human cell lines (HeLa, SH-SY5Y, and HDFa). Cytotoxicity, cell proliferation, cell migration, and morphology assays were performed to obtain d...
Source: Molecules - September 21, 2023 Category: Chemistry Authors: Luca Pincigher Francesca Valenti Christian Bergamini Cecilia Prata Romana Fato Riccardo Amorati Zongxin Jin Giovanna Farruggia Diana Fiorentini Natalia Calonghi Chiara Zalambani Tags: Article Source Type: research

Synthesis of Superarmed Thioglycosides via the Ring Opening of 1,2-Orthoesters
Synlett DOI: 10.1055/a-2132-1938 Since the advent of the armed–disarmed strategy, thioglycosides have become essential tools in one-pot oligosaccharide synthesis. The continuum of glycosyl donor reactivity has since been expanded to include so-called ‘superarmed’ thioglycoside donors whose reactivity relies on more than just the inductive effects of protecting groups. Here we report a new method for the synthesis of superarmed thioglycosides via the ring opening of 1,2-orthoesters. This method ensures the necessary 1,2-trans stereochemistry, and importantly, makes use of trimethylsilyl thioethers as sulfur nucleophil...
Source: Synlett - September 20, 2023 Category: Chemistry Authors: Beato, Zoe Zhu, Xiangming Tags: letter Source Type: research

Self-limiting thin film deposition of amorphous metal oxides from aprotic solvents for oxygen evolution electrocatalysis
This article is licensed under aCreative Commons Attribution 3.0 Unported Licence.Rafael Prato, Jan Fransaer, Xochitl Dominguez-Benetton In the context of global energy and environmental challenges, developing efficient and sustainable methods for energy storage and conversion is essential. Amorphous thin films of nanoporous single and mixed Ni,... The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - J. Mater. Chem. latest articles - September 19, 2023 Category: Chemistry Authors: Rafael Prato Source Type: research

Data-Driven Deep Generative Design of Stable Spintronic Materials
CrystEngComm, 2023, Accepted Manuscript DOI: 10.1039/D3CE00765K, PaperEdirisuriya Siriwardane, Yong Zhao, Jianjun Hu Discovering novel magnetic materials is essential for advancing the spintronic technology with significant applications in data communication, data storage, quantum computing, and etc. While Density functional theory (DFT) has been... The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - CrystEngComm latest articles - September 19, 2023 Category: Chemistry Authors: Edirisuriya Siriwardane Source Type: research