2007
DOI: 10.1016/j.aca.2007.06.009
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Hapten heterology for a specific and sensitive indirect enzyme-linked immunosorbent assay for organophosphorus insecticide fenthion

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Cited by 68 publications
(54 citation statements)
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“…4-(Dimethoxyphosphorothioylamino)butanoic acid was synthesized according to the method of Zhang et al 29 and Wang et al 4 First, 1.032 g of 4-aminobutyric acid (10.0 mmol) was dissolved in 10 mL 2.5 mol/L of NaOH (4°C). After stirring in an ice bath for 30 min, 1.215 mL of o,o-dimethyl phosphorochloridothioate was gradually added into the solution.…”
Section: Synthesis Of 4-(dimethoxyphosphorothioylamino)butanoic Acidmentioning
confidence: 99%
See 1 more Smart Citation
“…4-(Dimethoxyphosphorothioylamino)butanoic acid was synthesized according to the method of Zhang et al 29 and Wang et al 4 First, 1.032 g of 4-aminobutyric acid (10.0 mmol) was dissolved in 10 mL 2.5 mol/L of NaOH (4°C). After stirring in an ice bath for 30 min, 1.215 mL of o,o-dimethyl phosphorochloridothioate was gradually added into the solution.…”
Section: Synthesis Of 4-(dimethoxyphosphorothioylamino)butanoic Acidmentioning
confidence: 99%
“…29 Our previous study also showed that 4-(dimethoxyphosphorothioylamino)butanoic acid has potential to be used as a template molecule to prepare MIP that can selectively recognize multipesticides. 4 In this study, the objective was to synthesize a novel MIP monolithic column that could selectively recognize of acephate and phosphamidon by MIT combined with a NHSG process using 4-(dimethoxyphosphorothioylamino)butanoic acid as the template molecule.…”
mentioning
confidence: 96%
“…It was observed that in the antigen-immobilised format, varying lengths of spacer arm of the coating antigen had significant effect on the sensitivity of ELISA. A remarkable improvement in the sensitivity of ELISA has been observed by various workers using heterology in spacer structure of coating antigen [21][22][23][24] . The use of long flexible chains of highly hydrophilic polyethylene glycol (PEG) for the preparation of coating antigen was also been found to be helpful in order to improve the sensitivity by facilitating the aqueous solubility of hapten, thereby greatly improving protein conjugation.…”
Section: Introductionmentioning
confidence: 99%
“…Recientemente, Zhang et al (296) han descrito otro ELISA para fentión ligeramente menos sensible (IC 50 de 0,08 ng/mL) inmunizando con un hapteno que posee el brazo espaciador unido al anillo aromático por la posición del átomo de azufre (careciendo de este elemento); como hapteno de tapizado usan uno de los descritos previamente por Kim et al (294). Meses después, estos mismos autores han mejorado las prestaciones del inmunoensayo (297) utilizando una nueva combinación de haptenos de inmunización -con el brazo espaciador unido al anillo aromático-y de tapizado -con el brazo espaciador en el grupo tiofosfato-, obteniendo una IC 50 de 0,01 ng/mL.…”
Section: Tabla 23 Condiciones De Trabajo óPtimas De Los Elisasunclassified
“…La mayor interferencia la presentó el fenitrotión, con un valor de reactividad cruzada del 3,1%, muy inferior al 14% obtenido en el inmunoensayo descrito por Kim et al (294) y al 406% del ELISA desarrollado por Zhang et al (296). El único inmunoensayo que tiene una RC para fenitrotión (4,5%) similar a la del ELISA aquí descrito, es el publicado recientemente por Zhang et al (297).…”
Section: Selectividad Del Ensayo Para Fentiónunclassified