Results 1 to 10 of about 2,362,485 (120)

Clinical Use of the Self-Assembling Peptide RADA16: A Review of Current and Future Trends in Biomedicine

Frontiers in Bioengineering and Biotechnology, 2021
RADA16 is a synthetic peptide that exists as a viscous solution in an acidic formulation. In an acidic aqueous environment, the peptides spontaneously self-assemble into β-sheet nanofibers.
Sharanya Sankar, Kate O’Neill, Maurice Bagot D’Arc, Florian Rebeca, Marie Buffier, Elton Aleksi, Melanie Fan, Noriaki Matsuda, Eun Seok Gil, Lisa Spirio   +9 more
doaj   +1 more source

2000W Blue laser directed energy deposition of AlSi7Mg: process parameters, molten pool characteristics, and appearance defects

Virtual and Physical Prototyping, 2023
Aluminium alloys are difficult to be manufactured by directed energy deposition (DED) with the widely used infrared laser because of the low absorptivity.
Zijue Tang, Qianglong Wei, Zhenyang Gao, Huihui Yang, An Wang, Le Wan, Cheng Luo, Yi Wu, Haowei Wang, Hongze Wang   +9 more
doaj   +1 more source

Application of measurement and control technology in deep and normal pressure shale gas exploration and development

Shiyou shiyan dizhi, 2023
Deep and normal-pressure shale gas is the key field of shale gas exploration and development of SINOPEC. At present, this type of shale gas is faced with difficulties in the beneficial development. In order to increase the productivity of single well and
Xiang GE, Wei LIU, Xin SUN, Chunwei WANG, Lin MA   +4 more
doaj   +1 more source

Application of Wireless Detonation Technology in Tubing Conveying Perforation

Cejing jishu, 2023
Tubing conveying perforation is the main process of perforation at present. In complex oil and gas wells, the existing detonation technology suitable for tubing perforation is easy to cause accidental conditions such as false explosion and rejection of ...
SONG Ning, ZHAO Kailiang, LU Caihao, PENG Xin, ZHAO Yishan, LIU Bing   +5 more
doaj   +1 more source

Improving the Thermal Properties of Polycarbonate via the Copolymerization of a Small Amount of Bisphenol Fluorene with Bisphenol A

International Journal of Polymer Science, 2022
Polycarbonate is an attractive transparent plastic with high mechanical/thermal properties. A family of copolycarbonates of bisphenol-A (BPA), 9, 9-bis (4-hydroxyphenyl) fluorene (BHPF), and diphenyl carbonate (DPC) were prepared by a transesterification
Xiaozhou Zhang, Yang Liu, Xin Li, Xin Liu, Xigao Jian, Jinyan Wang   +5 more
doaj   +1 more source

An App to Teach With: A Case of Mobile Learning Non-adoption in Higher Ed

Issues and Trends in Educational Technology, 2013
This article presents a case study of student response to a custom-designed smartphone application for a large undergraduate communications course in Canada. The author analyzed over 2,000 students’ responses to the application over a two-and-a-half year
Sidneyeve Matrix
doaj   +2 more sources

Effect of pretreatment on microstructural stability and mechanical property in a spray formed Al-Zn-Mg-Cu alloy

Materials & Design, 2021
Aluminum alloys fabricated by spray forming (SF) technology are commonly followed by hot-working without heat treatments. A new approach that is a pretreatment before hot-working is proposed in the present work.
Zhiping Wang, Mingliang Wang, Yugang Li, Hongyu Xiao, Han Chen, Jiwei Geng, Xianfeng Li, Dong Chen, Haowei Wang   +8 more
doaj   +1 more source

Low-level Determination of Residual Methyl Methane Sulfonate and Ethyl Methane Sulfonate in Pharmaceuticals by Gas Chromatography with Mass Spectrometry

E-Journal of Chemistry, 2010
A capillary gas chromatographic method using mass spectrometric detection was developed and validated for the trace analysis (ppm level) of methyl methane sulfonate and ethyl methane sulfonate in pharmaceutical drug substances.
M. Sarat, M. Ramakrishna, Y. Suresh, S. Harikrishna, C. Rambabu, K. Kishore, K. Nagabhushana Reddy   +6 more
doaj   +1 more source

Low-level Determination of 4-Hydrazino BenzoicAcid in Drug Substance by High Performance Liquid Chromatography/Mass Spectrometry

E-Journal of Chemistry, 2010
HPLC/MS single ion monitoring methods have been evaluated for the determination of trace levels of 4- hydrazino benzoic acid (4-HBA) in drug substances. These 4-HBA have been highlighted as potential genotoxins. HPLC/MS was found to be more promising and
S. Harikrishna, K. Nagabhushana Reddy, Y. Suresh, M. Ramakrishna, M. Sarat, K. Kishore, C. Rambabu   +6 more
doaj   +1 more source

Nuclear decoupling is part of a rapid protein-level cellular response to high-intensity mechanical loading

Nature Communications, 2019
Cells must be robust to the mechanical demands of their environments. Here, Gilbert et al. expose cells to high-intensity strain cycling and use proteomics to identify a protein, SUN2, that behaves as a strain-induced breakpoint that can decouple the ...
Hamish T. J. Gilbert, Venkatesh Mallikarjun, Oana Dobre, Mark R. Jackson, Robert Pedley, Andrew P. Gilmore, Stephen M. Richardson, Joe Swift   +7 more
doaj   +1 more source