Zobrazeno 1 - 10
of 105
pro vyhledávání: '"Prapin, Wilairat"'
Publikováno v:
Food Chemistry: X, Vol 23, Iss , Pp 101617- (2024)
Microplate titration quantifies sodium hydroxide generated from formaldehyde reacting with excess sulfite in a 96-microwell plate. Phenolphthalein indicators change from red to colorless when all hydroxide ions react. Methodology optimized reagent co
Externí odkaz:
https://doaj.org/article/3f305b9068c649329f4063131099a900
Autor:
Prapin Wilairat
Publikováno v:
Talanta Open, Vol 9, Iss , Pp 100296- (2024)
In this study, an equation for fitting the band lengths in µPADs to the concentrations/amount of analyte added to the µPAD sample area is derived. A simulation of the band formation is carried out using a discrete segment model. The detector channe
Externí odkaz:
https://doaj.org/article/d5069d35d4664394b7fdd8d6a2bdd220
Publikováno v:
Arabian Journal of Chemistry, Vol 17, Iss 5, Pp 105727- (2024)
This study investigates the unexpected formation of ketoprofen methyl ester (KME) during the routine alkaline liquid–liquid extraction (LLE) process for analyzing basic drugs in horse urine samples using GC–MS analysis. An unidentified peak in th
Externí odkaz:
https://doaj.org/article/a66bbe65041e40aeb04658e719a3cece
Autor:
Apinya Obma, Keerada Nookaew, Ruamsiri Songsaeng, Apichai Phonchai, Peter C. Hauser, Prapin Wilairat, Rattikan Chantiwas
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 11, Pp 105255- (2023)
This study presents the analysis of lactate in sweat using capillary electrophoresis with contactless conductivity detection. Two cyclodextrin (CD) compounds, carboxymethyl-β-cyclodextrin sodium salt (CM-β-CD) and heptakis (2,3,6-tri-O-benzoyl)-β-
Externí odkaz:
https://doaj.org/article/053cdfa42f744e5ab744fda404231983
Autor:
Apinya Obma, Pattamaporn Hemwech, Sittisak Phoolpho, Rawiwan Bumrungpuech, Supa Wirasate, Sulawan Kaowphong, Prapin Wilairat, Rattikan Chantiwas
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-13 (2022)
Abstract A hydrothermal sol–gel method for reproducible formation of silica nanolayer on the wall of silica capillaries was developed for electrochromatography. The formulation was optimized by observation of uniform gel formation on an optical mic
Externí odkaz:
https://doaj.org/article/968cd47ede834b86a64615458a2e6dfb
Autor:
Pattamaporn Hemwech, Apinya Obma, Sasinun Detsangiamsak, Supa Wirasate, Pimchai Chaiyen, Prapin Wilairat, Rattikan Chantiwas
Publikováno v:
SN Applied Sciences, Vol 3, Iss 12, Pp 1-14 (2021)
Abstract This work presents an innovative silica-layer coated capillary with comparison study of the silica-layer coated capillary and the fused-silica capillary for the separation of seven phenolic acids viz. p-hydroxyphenylacetic acid (PHPA), p-cou
Externí odkaz:
https://doaj.org/article/0bb34a22e3e24ca4b7a2217390cae16e
Autor:
Kesara Ar-sanork, Chanpen Karuwan, Nakin Surapanich, Prapin Wilairat, Duangjai Nacapricha, Patcharin Chaisuwan
Publikováno v:
Journal of Analytical Science and Technology, Vol 12, Iss 1, Pp 1-10 (2021)
Abstract This work developed a fast and simple method for the quantification of two important β-agonists, ractopamine (RAC) and clenbuterol (CLEN) in animal urines. The method was based on micro-extraction by a mixed mode monolithic material and ana
Externí odkaz:
https://doaj.org/article/e969fad59c0548bfbbba37d97ca54a27
Autor:
Thachkorn Somboonsuk, Phoonthawee Saetear, Thitirat Mantim, Nuanlaor Ratanawimarnwong, Prapin Wilairat, Nathawut Choengchan, Duangjai Nacapricha
Publikováno v:
Molecules, Vol 28, Iss 3, p 1316 (2023)
This work presents the use of a transparent ‘Cross Injection Analysis’ (CIA) platform as a flow system for chemiluminescence (CL) measurements. The CL-CIA flow device incorporates introduction channels for samples and reagents, and the reaction a
Externí odkaz:
https://doaj.org/article/57d4aec1506642e3b211bf3a833ef68c
Autor:
Uday Younis Hussein Abdullah, Hishamshah M. Ibrahim, Haitham Muhammed Jassim, Mohamad Zaki Salleh, Teh Lay Kek, Mohd Nur Fakhruzzaman bin Noorizhab, Bin Alwi Zilfalil, Prapin Wilairat, Suthat Fucharoen
Publikováno v:
Biochemistry and Biophysics Reports, Vol 18, Iss , Pp - (2019)
This is the first report of QQQ-mass spectrometric identification and quantification of the Hb subunits, alpha, beta, delta and gamma globin peptides, derived from enzymatic-digestion of proteins in the early unknown peaks of the Bio-Rad cation-excha
Externí odkaz:
https://doaj.org/article/8a78c3ca6d614647b7263de09609ff68
Autor:
Paithoon Prasertying, Thita Ninlapath, Nanthatchaphon Jantawong, Thinnapong Wongpakdee, Thitaporn Sonsa-ard, Kanchana Uraisin, Phoonthawee Saetear, Prapin Wilairat, Duangjai Nacapricha
Publikováno v:
Analytical Chemistry. 94:7892-7900
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b93c321ebb23d33413a1c8aecc37f310
https://doi.org/10.1021/acs.analchem.2c00496
https://doi.org/10.1021/acs.analchem.2c00496