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Fabrication of highly sensitive, quick testing, and stable electrochemical sensing system
 
zoomin      
 
技術名稱
Technology
Fabrication of highly sensitive, quick testing, and stable electrochemical sensing system
發明人
Inventor
今榮東洋子, 西蕊維蕊雅南安波芳,
所有權人
Asignee
國立臺灣科技大學

專利國家
Country
申請號
Application No.
專利號
Patent No.
中心案號
Serial No.
美國 13/336,326 US9082528 1000017US0
中華民國 100148355 I 469434 1000017TW0
 
點閱數:172
技術摘要:
Pt nanoparticles encapsulated in dendrimers (DEN(PtNP)s) were synthesized in the presence of NH2-terminated fourth generation poly(amido amine) (G4-PAMAM) dendrimers. Subsequently DEN(PtNP)s were covalently bound on acid-treated carbon nanotubes (CNTs). The resultant nanohybrid materials were chemically bound on a working electrode in a disposable electrochemical printed (DEP) chip. The methanol oxidation reaction was investigated by using a cyclic voltammetry equipped with the thus-modified DEP chip, and the reasonable results were obtained.
The CNT-loaded DEP chip was modified for determining the organophosphate pesticides in food contamination. For this purpose, the enzymes (acetylcholine esterase and choline oxidase) were mounted on dendrimers on the chip. The reproducibility of the data and the stability of the electrode were good enough. The sensitivity is high to be ppb order.


 
   




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