Chromatography and Spectroscopy Techniques

Chromatography and Spectroscopy Techniques Archives

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Research Article   |   10.36959/326/773 Volume 4 Issue 1

Characterization of Triterpenoid Saponins, Phenylethanoids and Flavonoids in Bacopa Caroliniana (Walt.) B.L. Robins Using LC-ESI-QTOF-MS/MS Technique

Authors: Nitra Nuengchamnong, Tongchai Saesong and Kornkanok Ingkaninan
This research reports upon the chemical constituent of the aerial part of Bacopa caroliniana identified using the liquid chromatography with electrospray ionization/mass spectrometry (LC-ESI-QTOF-MS/M... Read more

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Research Article   |   10.36959/326/772 Volume 4 Issue 1

Scattering and Absorption Coefficients of Biological Chlorophyll Pigmented Grains in Aqueous Suspension

Authors: Shirley Quirós Achí and William E Vargas Castro
Chlorophyll pigmented grains were extracted from leaves of palm trees and maintained in aqueous solutions containing an organic solvent. Their transmittance spectra were measured for visible wavelengt... Read more

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Research Article   |   10.36959/326/771 Volume 3 Issue 1

Chemical Profiling of White, Red, and Black Rice (Oryza Sativa L.) During Grain Development Based On LC-QTOF-MS/MS

Authors: Nitra Nuengchamnong, Tongchai Saesong, Paradon Ngamdee and Sudarat Jiamyangyuen
In this study, the chemical constituents of the three rice varieties were investigated at each of the five stages of grain development using Accurate-Mass Spectrometry (LC-ESI-QTOF-MS/MS). The varieti... Read more

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Feature Article   |   10.36959/326/770 Volume 3 Issue 1

Some Prospects for Chemical Analysis

Authors: Yu A Zolotov
Needs in chemical analysis were considered, for example requirements to “field”, speciation analysis, distribution (local), remote, non-destructive analysis, miniaturization, and automatization. G... Read more

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Research Article   |   10.36959/326/769 Volume 3 Issue 1

Development and Validation of HPLC Method Using Hydrotropic Mobile Phase for the Estimation of Gatifloxacin

Authors: Vandana B Patel, Matungi B Patel, Dimal A Shah and Rajesh K Maheshwari
In the present work eco-friendly, precise, accurate RP-HPLC method has been developed for the determination of gatifloxacin using the concept of hydrotropy. Hydrotropy is a concept of increasing solub... Read more

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Research Article   |   10.36959/326/768 Volume 2 Issue 1

The Influence of UV Irradiation on Diabetic Mice Skin: A Vibrational FT-IR and Raman Spectroscopic Study

Authors: J Anastassopoulou, M Kyriakidou, V Mamareli, O Tanis and M Rallis
The aim of this study was to investigate the effect of UV irradiation on streptozotocin-induced diabetic skin. 42 hairless male mice were divided into three groups of control non-diabetic and with do... Read more

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Research Article   |   10.36959/326/767 Volume 2 Issue 1

Isolation, Purification and Structural Identification of Degradation Products from Ketoconazole in a Liquid Formulation: An HPLC and HPLC-MS/MS Study

Authors: Fa Zhang, Ph.D
Ketoconazole is the active ingredient in an antifungal liquid formulation for topical application. A binary gradient HPLC analysis indicated that ketoconazole in the formulation produced four degradat... Read more

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Research Article   |   10.36959/326/766 Volume 1 Issue 1

Synthesis and Preliminary Assays of a Novel Molecularly Imprinted Polymer Dedicated to the Extraction of Carbamazepine from River Water

Authors: Berengere Claude, Syntia Fayad, Christelle Dufresne, Claudine Chatellier, Francois Lestremau, Patrick Rollin, Philippe Morin and Reine Nehme
Monitoring of trace organic contaminants in aquatic media has become a major concern today. The presence of Carbamazepine (CBZ), anticonvulsant and analgesic used in the treatment of pain associated w... Read more

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Editorial   |   10.36959/326/765 Volume 1 Issue 1

Changes at the Surface Electrostatic Activity is Involved in Infectivity and Elimination of Accumulated Prion Proteins

Authors: Aly Moussa
The results obtained during the study of mutations on the gene coding for the human prion protein showed that the only major consequence of mutations is the perturbation of the protein surface electro... Read more

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