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Academic Journal

Online high‐pH reversed‐phase liquid chromatography × low‐pH reversed‐phase liquid chromatography tandem electrospray ionization mass spectrometry combined with pulse elution gradient in the first dimension for the analysis of alkaloids in Macleaya cordata (willd.) R. Br

Authors : Hu, Deping¹ (AUTHOR); Li, Yuandong² (AUTHOR); Zhao, Hui² (AUTHOR)

Source: Journal of Separation Science. Apr2020, Vol. 43 Issue 8, p1423-1430. 8p.

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Academic Journal

Homoisoflavonoids profiling of Ophiopogon japonicus by off‐line coupling high‐speed countercurrent chromatography with high‐performance liquid chromatography–diode array detector‒quadrupole time‐of‐flight tandem mass spectrometry

Authors : Deng, Xu¹ (AUTHOR); Xu, Jinju² (AUTHOR) ; Tong, Chaoying² (AUTHOR)

Source: Journal of Separation Science. Apr2020, Vol. 43 Issue 8, p1406-1414. 9p.

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Academic Journal

Determination of Vitamin E in Spirulina Platensis Extracts and Photoprotective Creams by Multi-Syringe Chromatography (MSC) and High-Performance Liquid Chromatography (HPLC).

Authors : Ma González, Hilda¹ (AUTHOR); Almirall, Ivone¹ (AUTHOR); Alpízar, Jesús² (AUTHOR)

Source: Analytical Letters. 2020, Vol. 53 Issue 18, p2949-2959. 11p. 1 Diagram, 2 Charts, 1 Graph.

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Academic Journal

p-Methoxyphenacyl Bromide as a Versatile Reagent for the Determination of Alkylphosphonic and Alkylmethylphosphonic Acids by High-Performance Liquid and Gas Chromatography with Mass Spectrometric Detection.

Authors : Baygildiev, T. M.¹ (AUTHOR) ; Vokuev, M. F.¹ (AUTHOR); Oreshkin, D. V.² (AUTHOR)

Source: Journal of Analytical Chemistry. Dec2020, Vol. 75 Issue 13, p1708-1718. 11p.

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Academic Journal

Analysis of flavonoids with unified chromatography-electrospray ionization mass spectrometry—method development and application to compounds of pharmaceutical and cosmetic interest.

Authors : Molineau, Jérémy¹ (AUTHOR); Meunier, Manon¹ (AUTHOR); Noireau, Angéline¹ (AUTHOR)

Source: Analytical & Bioanalytical Chemistry. Sep2020, Vol. 412 Issue 24, p6595-6609. 15p.

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Academic Journal

Determination of Risperidone and 9-Hydroxyrisperidone in Human Serum by Heart-Cutting Isocratic Two-Dimensional Liquid Chromatography.

Authors : Liu, Wei¹ (AUTHOR); Jin, Xiaoxia¹ (AUTHOR); Yao, Shuyong¹ (AUTHOR)

Source: Analytical Letters. 2020, Vol. 53 Issue 12, p2002-2019. 18p. 2 Diagrams, 7 Charts, 6 Graphs.

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Academic Journal

Simple thin layer chromatography–ultraviolet spectrophotometric method for quality assessment of binary fixed‐dose‐combinations of lamivudine/tenofovir disoproxil fumarate and lamivudine/zidovudine in tablet formulations.

Authors : Vaikosen, Edebi N.¹ (AUTHOR) ; Kashimawo, Adesegun J.¹ (AUTHOR); Soyinka, Julius O.² (AUTHOR)

Source: Journal of Separation Science. Jun2020, Vol. 43 Issue 11, p2228-2239. 12p.

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Preparative isolation and purification of 12 main antioxidants from the roots of Polygonum multiflorum Thunb. using high‐speed countercurrent chromatography and preparative HPLC guided by 1,1′‐diphenyl‐2‐picrylhydrazyl‐HPLC

Authors : Liu, Minzhuo¹ (AUTHOR); Li, Xujie¹ (AUTHOR); Liu, Qi¹ (AUTHOR)

Source: Journal of Separation Science. Apr2020, Vol. 43 Issue 8, p1415-1422. 8p.

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Simultaneous determination of five phosphates in dairy products by ion chromatography.

Authors : Xie, Hai-Hua¹ (AUTHOR); Guo, Lan^1,2,3 (AUTHOR); Yan, Aiping^2,3 (AUTHOR)

Source: Journal of Liquid Chromatography & Related Technologies. 2020, Vol. 43 Issue 17/18, p770-776. 7p. 1 Diagram, 4 Charts, 6

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Academic Journal

A Preliminary Gas Chromatography-Mass Spectrometry-Based Metabolomics Study of Rats Ingested Diazepam or Clonazepam.

Authors : Shiyong Fang¹; Jianxia Chen¹; Xinhua Dai¹

Source: Journal of Forensic Science & Medicine. Oct-Dec2020, Vol. 6 Issue 4, p117-125. 9p.

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فلترة النتائج

Online high‐pH reversed‐phase liquid chromatography × low‐pH reversed‐phase liquid chromatography tandem electrospray ionization mass spectrometry combined with pulse elution gradient in the first dimension for the analysis of alkaloids in Macleaya cordata (willd.) R. Br

Homoisoflavonoids profiling of Ophiopogon japonicus by off‐line coupling high‐speed countercurrent chromatography with high‐performance liquid chromatography–diode array detector‒quadrupole time‐of‐flight tandem mass spectrometry

Determination of Vitamin E in Spirulina Platensis Extracts and Photoprotective Creams by Multi-Syringe Chromatography (MSC) and High-Performance Liquid Chromatography (HPLC).

p-Methoxyphenacyl Bromide as a Versatile Reagent for the Determination of Alkylphosphonic and Alkylmethylphosphonic Acids by High-Performance Liquid and Gas Chromatography with Mass Spectrometric Detection.

Analysis of flavonoids with unified chromatography-electrospray ionization mass spectrometry—method development and application to compounds of pharmaceutical and cosmetic interest.

Determination of Risperidone and 9-Hydroxyrisperidone in Human Serum by Heart-Cutting Isocratic Two-Dimensional Liquid Chromatography.

Simple thin layer chromatography–ultraviolet spectrophotometric method for quality assessment of binary fixed‐dose‐combinations of lamivudine/tenofovir disoproxil fumarate and lamivudine/zidovudine in tablet formulations.

Preparative isolation and purification of 12 main antioxidants from the roots of Polygonum multiflorum Thunb. using high‐speed countercurrent chromatography and preparative HPLC guided by 1,1′‐diphenyl‐2‐picrylhydrazyl‐HPLC

Simultaneous determination of five phosphates in dairy products by ion chromatography.

A Preliminary Gas Chromatography-Mass Spectrometry-Based Metabolomics Study of Rats Ingested Diazepam or Clonazepam.

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