Analytical Chemistry News

Anticancer component identification from the extract of Dysosma versipellis and Glycyrrhiza uralensis based on support vector regression and mean impact value

RSC - Anal. Methods latest articles - Thu, 01/04/2018 - 10:44

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02465G, PaperHailiu Fan, Jianbang Xuan, Kaixuan Zhang, Jianlan Jiang
A high-quality SVR-PSO model was established for the extract of Dysosma versipellis and Glycyrrhiza uralensis and anticancer components were identified by using the MIV.
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An aptamer-based electrochemical biosensor for simple and sensitive detection of staphylococcal enterotoxin B in milk

RSC - Anal. Methods latest articles - Thu, 01/04/2018 - 09:43

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02452E, PaperXiaohui Xiong, Xinping Shi, Yuanjian Liu, Lixia Lu, Jingjing You
The relative percentage error between the proposed method and ELISA ranged from -8.38 to 8.33, which indicates that there is no significant difference between the results.
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Colorimetric detection of residual hydrogen peroxide in soaked food based on Au@Ag nanorods

RSC - Anal. Methods latest articles - Thu, 01/04/2018 - 06:37
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C7AY02819A, PaperQingai Chen, Tianran Lin, Jianli Huang, Yi Chen, Liangqia Guo, Fengfu Fu
A simple and selective colorimetric method for H2O2 detection in soaked food samples was developed by using Au@Ag nanorods (Au@Ag NRs) as the signal conducer. In the presence of H2O2,...
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A lysosome-targeting colorimetric and fluorescent dual signal probe for sensitive detection and bioimaging of hydrogen sulfide

RSC - Anal. Methods latest articles - Thu, 01/04/2018 - 06:37
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C7AY02492D, PaperCuiyan Wu, Xiaojun Hu, Biao Gu, Peng Yin, Wei Su, Yaqian Li, Qiujun Lu, Youyu Zhang, Haitao Li
In this study, we developed a lysosome-targeting fluorescent probe, 3-(2,4-dinitrophenoxy)-2-(4-morpholinophenyl)-4H-chromen-4-one (DMC), for the detection of hydrogen sulfide (H2S) based on excited-state intramolecular proton transfer (ESIPT). Upon the treatment with H2S,...
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Sensitive detection of Brilliant Blue using fluorescence resonance energy transfer with YVO4:Eu nanocrystals as donors

RSC - Anal. Methods latest articles - Thu, 01/04/2018 - 06:37

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02281F, PaperYongli Yu, Jianli Niu, Wei Li, Haixia Liu, Meng Wang
A FRET system was established using YVO4:Eu nanocrystals (NCs) as the energy donors and Brilliant Blue (BB) as the energy acceptor. Based on FRET, fluorimetry was successfully applied to determine BB in juice and candy samples.
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Analysis of Cuban nickeliferous minerals by laser-induced breakdown spectroscopy (LIBS): non-conventional sample preparation of powder samples

RSC - Anal. Methods latest articles - Thu, 01/04/2018 - 03:36
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C7AY02521A, PaperMarco Speranca, Mario Pomares, Edenir Rodrigues Pereira-Filho
In the present study, a new method to quantify Al, Cr, Fe, Mg, Mn, Cr and Ni in nickeliferous minerals by laser-induced breakdown spectroscopy (LIBS) is proposed. Thirty-three mineral powder...
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