Detection of acephate
WebJan 2, 2015 · Acephate and its metabolite methamidophos are common organophosphorus insecticide used for crop protection. High uses of acephate and methamidophos have induced health issues and environmental... WebJun 18, 2003 · A competitive indirect enzyme-linked immunosorbent assay (ciELISA) for the organophosphorus insecticide acephate, O,S-dimethyl acetylphosphoramidothioate, was developed using a polyclonal antibody. Five different haptens mimicking the analyte were synthesized and conjugated with the carrier proteins …
Detection of acephate
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WebApr 25, 2024 · A new substrate (AuNRs-cys) based on the obtained AuNRs was prepared for the detection of acephate. The representative spectra of acephate by using AuNRs … 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 …
WebJun 5, 2024 · Acephate and methamidophos were absorbed from the roots, transported upward, and concentrated in the leaves, particularly new leaves. ... Thus, the results indicated that the analytical method was sufficiently reliable for the detection of acephate and methamidophos. Table 3 Recovery rates and relative standard deviations (RSD) of … WebNov 21, 2024 · Acephate is an organophosphorus pesticide (OP) that is widely used to control insects in agricultural fields such as in vegetables and fruits. Toxic OPs can …
WebJan 15, 2024 · A fluorescent graphene oxide based aptasensing platform was developed for the detection of acephate. The aptamers specific to the acephate were screened through GO-SELEX (Graphene Oxide - Systematic Evolution of Ligands by EXponential enrichment) method for six rounds. WebSep 1, 2024 · Detection of acephate by azo coupling reaction after pre-activation The present studied, we have study the reaction between p- amino antipyrine with HCl in NaNO 2 solution a 1:1 M ratio was kept at -5°C for 1–2 h, as result obtained from the azo compounds was shown in Scheme 2 (step I).
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WebAcephate is moderately toxic to mammals with an acute oral LD50 of 850–950 mg kg −1 in rats, whereas its metabolite methamidophos is highly toxic to mammals. The common … how many people are in jail todayWebApr 25, 2024 · Dynamic surface-enhanced Raman spectroscopy (D-SERS) was employed for the rapid detection of acephate in rice with simply regulated gold nanorods. Gold nanorods modified with cysteamine were prepared to circumvent the weak affinity of acephate molecules to the gold surface for a gigantic and stable enhancement. how many people are in jail in the worldhow can i become immortalWebAcephate (Ac), an organophosphate (OP) insecticide, is very harmful to human and the environment. Conventional techniques of detection are sensitive and selective but relatively time-consuming, expensive, and require trained personnel. This paper how can i become fluent in spanishWebDec 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. how can i become incontinentWebAug 2, 2024 · Organophosphate pesticides (OPs) are the ester forms of phosphoric acid usually considered as secure for agriculture uses due to their relatively fast degradation rates. 1 Although the degradation of OPs is a linear function of microbial composition, pH, temperature, structural arrangement etc. OPs inhibit acetylcholinesterase (AChE) activity … how can i become homeopathic doctorWebJan 15, 2024 · The aptasensor was also validated against water samples spiked with acephate, which showed fluorescence recovery from 94 to 107% and coefficient of … how many people are in iron lungs today