Journal of Analytical Methods in Chemistry

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Antioxidant Activity of Three Honey Samples in relation with Their Biochemical Components
Journal of Analytical Methods in Chemistry - Tập 2013 - Trang 1-8 - 2013
Lee Suan Chua, Norul Liza A. Rahaman, Nur Ardawati Adnan, Eddie Ti Tjih Tan
Optimization of Extract Method for Cynomorium songaricum Rupr. by Response Surface Methodology
Journal of Analytical Methods in Chemistry - Tập 2017 - Trang 1-7 - 2017
Xiang Zhang, Caimei Gu, Bashir Ahmad, Huang Lin-fang
The present study aimed to evaluate the quality of Cynomorium songaricum Rupr. from different producing areas, which is an edible, holoparasitic, and desert plant that has been used in traditional medicine for improving immunity and kidney function and treating constipation. We optimized the extract conditions by response surface methodology (RSM) and determined the content of gallic acid, protoca... hiện toàn bộ
Automated enzymatic determination of plasma free fatty acids by centrifugal analysis
Journal of Analytical Methods in Chemistry - Tập 6 Số 3 - Trang 152-154 - 1984
David P. Knox, D. G. Jones
The Application of FT-IR Spectroscopy for Quality Control of Flours Obtained from Polish Producers
Journal of Analytical Methods in Chemistry - Tập 2017 - Trang 1-9 - 2017
Katarzyna Sujka, P. Koczoń, A. Ceglińska, Magdalena Reder, Hanna Ciemniewska‐Żytkiewicz
Samples of wheat, spelt, rye, and triticale flours produced by different Polish mills were studied by both classic chemical methods and FT-IR MIR spectroscopy. An attempt was made to statistically correlate FT-IR spectral data with reference data with regard to content of various components, for example, proteins, fats, ash, and fatty acids as well as properties such as moisture, falling number, a... hiện toàn bộ
Rapid Screening and Quantitative Determination of Active Components in Qing-Hua-Yu-Re-Formula Using UHPLC-Q-TOF/MS and HPLC-UV
Journal of Analytical Methods in Chemistry - Tập 2018 - Trang 1-11 - 2018
Xin Shao, Jie Zhao, Xu Wang, Yi Tao
Qing-Hua-Yu-Re-Formula (QHYRF), a new herbal preparation, has been extensively used for treating diabetic cardiomyopathy. However, the chemical constituents of QHYRF remain uninvestigated. In the present study, rapid ultrahigh-performance liquid chromatography coupled with quadrupole-time-of-flight mass spectrometry (UHPLC-Q-TOF/MS) was used to qualitatively analyze the components of QHYRF. Qualit... hiện toàn bộ
A Simple and Quick Method for the Determination of Pesticides in Environmental Water by HF-LPME-GC/MS
Journal of Analytical Methods in Chemistry - Tập 2016 - Trang 1-11 - 2016
Helvécio Costa Menezes, Breno P. Paulo, Maria José Nunes de Paiva, Zenilda de Lourdes Cardeal
This paper describes a simple and quick method for sampling and also for carrying out the preconcentration of pesticides in environmental water matrices using two-phased hollow fiber liquid phase microextraction (HF-LPME). Factors such as extraction mode, time, solvents, agitation, and salt addition were investigated in order to validate the LPME method. The following conditions were selected: 6 c... hiện toàn bộ
Fabrication of SiO2/PEGDA Inverse Opal Photonic Crystal with Fluorescence Enhancement Effects
Journal of Analytical Methods in Chemistry - Tập 2021 - 2021
Dinh, Van-Phuc, Nguyen, Duy-Khoi, Nguyen, Quang-Hung, Luu, Thi-Thuy, Pham, Thi Hai Yen, Vu, Thi Thu Ha, Chuang, Han-Sheng, Pham, Hong-Phong
The present paper reports the fabrication of inverse opal photonic crystals (IOPCs) by using SiO2 spherical particles with a diameter of 300 nm as an opal photonic crystal template and poly(ethylene glycol) diacrylate (PEGDA) as an inverse opal material. Characteristics and fluorescence properties of the fabricated IOPCs were investigated by using the Fourier transform infrared spectroscopy (FTIR)... hiện toàn bộ
Model Analytical Development for Physical, Chemical, and Biological Characterization ofMomordica charantiaVegetable Drug
Journal of Analytical Methods in Chemistry - Tập 2016 - Trang 1-15 - 2016
Deysiane Oliveira Brandão, Geovani Pereira Guimarães, Ravely Lucena Santos, Fernando José de Lima Ramos Júnior, Karla Monik Alves da Silva, Fábio Santos de Souza, Rui Oliveira Macêdo
Momordica charantiais a species cultivated throughout the world and widely used in folk medicine, and its medicinal benefits are well documented, especially its pharmacological properties, including antimicrobial activities. Analytical methods have been used to aid in the characterization of compounds derived from plant drug extracts and their products. This paper developed a methodological model ... hiện toàn bộ
Removal of Heavy Metal Ion Using Polymer-Functionalized Activated Carbon: Aspects of Environmental Economic and Chemistry Education
Journal of Analytical Methods in Chemistry - Tập 2020 - Trang 1-13 - 2020
Hoang Thu Ha, Nguyen Thi Huong, Le Linh Dan, Nguyen Duy Tung, Vinh bao Trung, Tran Dinh Minh
Numerous countries have shown signs of environmental pollution to prioritize economic growth and benefits, leading to seriously contaminated waters. This work indicated the method to synthesize a green material, which could remove contaminants to protect the natural environment. The porosity and functionality effects of amine-functionalized activated carbon (AFAC) enhanced the removal of toxic hea... hiện toàn bộ
A Stability-Indicating HPLC-DAD Method for Determination of Stiripentol: Development, Validation, Kinetics, Structure Elucidation and Application to Commercial Dosage Form
Journal of Analytical Methods in Chemistry - Tập 2014 - Trang 1-10 - 2014
Hany W. Darwish, Ali S. Abdelhameed, Mohamed I. Attia, Ahmed H. Bakheit, Nasr Y. Khalil, Abdulrahman A. Al‐Majed
A rapid, simple, sensitive, and accurate isocratic reversed-phase stability-indicating high performance liquid chromatography method has been developed and validated for the determination of stiripentol and its degradation product in its bulk form and pharmaceutical dosage form. Chromatographic separation was achieved on a Symmetry C18 column and quantification was achieved using photodiode array ... hiện toàn bộ
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