✦ LIBER ✦

A Piezoelectric Immunosensor for the Detection of Cocaine

✍ Scribed by Bassam S. Attili; Ahmad A. Suleiman

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 68 KB
Volume: 54
Category: Article
ISSN: 0026-265X
DOI: 10.1006/mchj.1996.0091

No coin nor oath required. For personal study only.

✦ Synopsis

A piezoelectric crystal immunosensor has been developed for the detection and determination of cocaine in the concentration range 10 -300 mg/liter (part per billion) with a relative SD of 10 -19%. Benzoylecgonine antibody, the major metabolite of cocaine, was layered onto the gold electrodes of a 10 MHz piezoelectric crystal, which was precoated with protein G. The protein G immobilization procedure showed the best results in terms of sensitivity, stability, and reproducibility. The piezoelectric immunosensor technology demonstrated in this work shows a successful application which could have a tremendous impact on drug of abuse monitoring.

📜 SIMILAR VOLUMES

Development of a piezoelectric immunosen

Development of a piezoelectric immunosensor for the detection of human erythrocytes

✍ Bernd König; Michael Grätzel 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 445 KB

A reusable piezoelectric immunosensor was developed for the detection of purified human erythrocytes and erythrocytes in whole human blood. Three different methods for immobilization of anti-glycophorin A antibody to the gold electrode were tested. Coating the electrode with polyethylenimine gave th

Detection of complement C4 with a piezoe

Detection of complement C4 with a piezoelectric immunosensor

✍ Hu Ji-Ming; Pei Ren-Jun; Hu Yi; Zeng Yun-E 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 400 KB

An Amperometric Immunosensor for Cocaine

✍ Ahmad A. Suleiman; Yuanhang Xu 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 80 KB

Electrochemical immunosensor for the det

Electrochemical immunosensor for the detection of atrazine

✍ Miguel A. López; Fidel Ortega; Elena Domínguez; Ioanis Katakis 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 101 KB 👁 1 views

An amperometric immunosensor for the detection of the herbicide atrazine has been developed. A redox polymer PVPOs(bpy) 2 Cl was co-immobilized with the specific antibody on the surface of the electrode by crosslinking with PEGDGE to form an electron-conducting hydrogel. In a competitive assay the o

A piezoelectric immunosensor for complem

A piezoelectric immunosensor for complement C4 using protein A oriented immobilization of antibody

✍ Ren-Jun Pei; Ji-Ming Hu; Yi Hu; Yun'e Zeng 📂 Article 📅 1998 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 177 KB

A highly sensitive piezoelectric crystal immunosensor has been developed for the detection of human complement C4. Three methods for immobilization of anti-C4 antibody on the gold electrodes were employed. The immobilization method with protein A method gave the best results in terms of sensitivity,

Long-term stability and improved reusabi

Long-term stability and improved reusability of a piezoelectric immunosensor for human erythrocytes

✍ Bernd König; Michael Grätzel 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 421 KB

The long-term stability and reusability of a recently developed piezoelectric immunosensor for the detection of purified human erythrocytes and erythrocytes in whole human blood was studied. Using polyethyleneimine-anti-glycophorin A antibody-coated gold electrodes a long-term stability of 10 weeks