WebJan 15, 2024 · The aptasensor was also validated against water samples spiked with acephate, which showed fluorescence recovery from 94 to 107% and coefficient of … WebDec 1, 2024 · Detection of acephate in spiked fruit and vegetable juice samples using the AChE-IMER Different concentrations of standard acephate solutions were added to the fruit and vegetable juice samples to obtain spiked samples with final acephate concentrations of 0.025, 0.100 and 0.125 μg/mL, respectively.
(PDF) Image Digitization of Colorimetric Detection of …
WebThe detection assay is composed of MNPs, acetylcholinesterase (AChE), and choline oxidase (CHO). The enzymes AChE and CHO catalyze the formation of H ... acephate and methyl-paraoxon as representative organophosphorus pesticides and the nerve agent Sarin. The novel assay displayed substantial color change after incubation in organophosphorus WebOct 26, 2024 · The detection limit of this method was 0.052 ppb, which is far lower than the standards for acephate from China and EU in food safety administration. The ratiometric fluorescence sensor was further validated by testing spiked samples of tap water and … list of events in history
Direct Chiral Determination of Acephate and Its Metabolite
WebJan 1, 2005 · This study describes methods developed for the analysis of gamma-valerolactone (GVL), delta-valerolactone (DVL), acephate, and azinphos methyl in saliva and serum. Liquid chromatography/mass spectrometry (LC/MS) operated in the negative and positive ion mode and gas chromatography/mass spectrometry (GC/MS) were used … WebMay 1999 - Present24 years. 111 Downey Street, Norwood, MA 02062. I have gained significant experience in proposal writing, developing … WebJul 28, 2024 · Acephate (Ac) is an organophosphate (OP) compound, which is able to inhibit the activity of acetylcholinesterase. Thus, the aim of this study was to optimize the detection of Ac using a thiolated acephate binding aptamer-citrate capped gold nanoparticle (TABA–Cit-AuNP) sensor that also incorporated an image processing … imagination rhyming words