Journal of Analytical Science and Technology
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A 1H NMR method for the estimation of hydrogen content for all petroleum products
Journal of Analytical Science and Technology - Tập 6 - Trang 1-10 - 2015
Hydrogen content is an important parameter for all petroleum products, because the performance of the products for specific application depends on the concentration of hydrogen in it. Further, hydrogen content can be used as a measure for quality control during the production process and assess the quality of the products, which is governed by the catalyst used. Therefore, to get the desired petro......
A multi-responsive coumarin–benzothiazole fluorescent probe for selective detection of biological thiols and hydrazine
Journal of Analytical Science and Technology - Tập 12 - Trang 1-12 - 2021
Biothiols play important roles in various physiological and biological processes, which closely related to many diseases. Hydrazine is widely used in the chemical industry, but it is harmful to humans and animals. Therefore, it is very important to develop a fluorescent probe that can simultaneously detect biological thiols and hydrazine. In this work, a new fluorescent probe (2E,4Z)-2-(benzo[d]th......
Nanomaterials-based portable electrochemical sensing and biosensing systems for clinical and biomedical applications
Journal of Analytical Science and Technology - Tập 13 - Trang 1-13 - 2022
Miniaturized electrochemical sensing systems are employed in day-to-day uses in the several area from public health to scientific applications. A variety of electrochemical sensor and biosensor systems may not be effectively employed in real-world diagnostic laboratories and biomedical industries due to their limitation of portability, cost, analytical period, and need of skilled trainer for opera......
Potential of Azadirachta indica as a green corrosion inhibitor against mild steel, aluminum, and tin: a review
Journal of Analytical Science and Technology - Tập 6 - Trang 1-16 - 2015
Azadirachta indica (AZI, commonly recognized as “Neem”) is noteworthy both for its chemical and for its biological actions. It is one of the most fruitful sources of secondary metabolites in nature. To date, more than 300 natural products have been isolated from different sections of the tree, with new compounds added to the list every year. As a contribution to the curren......
Comparative analysis of human and bovine thyroglobulin structuresAbstract In biology, evolutionary conserved protein sequences show homologous physiological phenotypes in their structures and functions. If the protein has a vital function, its sequence is usually conserved across the species. However, in highly conserved protein there still remains small differences across the species. Upon protein–protein interaction (PPI), it i... ...
Journal of Analytical Science and Technology - - 2022
Commentary on “time-dependent selected reaction monitoring-based GC-MS/MS method for estimation of genotoxic impurities in a new antibacterial agent: alalevonadifloxin mesylate”
Journal of Analytical Science and Technology - Tập 11 - Trang 1-2 - 2020
The references cited in this article to justify the analysis of alkyl mesylates in alalevonadifloxin mesylate (ALA) are considered totally inappropriate since they all present evidence showing that such esters are not formed during the synthesis of a sulfonic-acid salt using an alcohol as solvent. Relevant mechanistic and kinetic data, first published over a decade ago, demonstrate that no alkyl-s......
Antimicrobial efficacy of biosynthesized silver nanoparticles from different solvent extracts of Waltheria americana root
Journal of Analytical Science and Technology - Tập 7 - Trang 1-9 - 2016
The extensive application of silver compounds especially in nanomedicine, has increased the need to develop environmental friendly and cost effective route to synthesizing silver nanoparticles (AgNPs). Water, diethyl ether, and ethanol were used in the extraction of Waltheria americana root. Silver nanoparticles (AgNPs) were synthesized by reacting 0.001 M AgNO3 solution with the different crude e......
Phương pháp LC–MS/MS với kỹ thuật kết nối cột để xác định đồng thời lamivudine, zidovudine và nevirapine trong huyết tương người Dịch bởi AI
Journal of Analytical Science and Technology - Tập 7 - Trang 1-10 - 2016
Một phương pháp LC–MS/MS mới để xác định đồng thời lamivudine, zidovudine và nevirapine trong huyết tương người đã được phát triển bằng cách sử dụng kỹ thuật kết nối cột. Hợp chất đánh dấu của các chất phân tích tương ứng được sử dụng làm chuẩn nội. Sau khi chiết xuất từ 100 μL huyết tương bằng phương pháp chiết pha rắn, các chất phân tích được tách ra trên một cột C18 được kết nối với một cột tra......
#LC–MS/MS #lamivudine #zidovudine #nevirapine #huyết tương #phương pháp chiết pha rắn
A simple and label-free proximity-catalytic hairpin reaction-based method for sensitive and miRNA analysis
Journal of Analytical Science and Technology - Tập 15 - Trang 1-9 - 2024
Aberrant expression of microRNAs (miRNAs) has been shown to be linked to several crucial biological processes, including as carcinogenesis, metastasis, and progression. The advancement of innovative miRNA detection technologies can enhance the early detection of malignancies by merging with conventional diagnostic methods, such as ultrasound technology. Herein, we reported a simple, sensitive, and......
UPLC/FT-ICR MS-based high-resolution platform for determining the geographical origins of raw propolis samples
Journal of Analytical Science and Technology - Tập 10 - Trang 1-12 - 2019
In this study, we demonstrate a high-resolution 15 Tesla Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometry coupled with a reverse-phase ultra-performance liquid chromatography (RP-UPLC) system for determining the geographical origins of raw propolis samples. The UPLC/FT-ICR MS-based high-resolution platform was validated on the ethanol-extracted propolis (EEP) from various propo......
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