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KMID : 1034820080040020100
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Molecular & Cellular Toxicology
2008 Volume.4 No. 2 p.100 ~ p.105
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Sol-gel Material Optimization for Aptamer Biosensors
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Ahn Ji-Young
Cho Min-Jung
Lee Se-Ram
Park Jun-Tae
Hong Seok-Jin
Shin Sung-Ho
Jeong Min-Ku
Lee Dong-Ki
Kim So-Youn
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Abstract
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Biochips are a powerful emerging technology for biomedical, environmental applications. Especially, making use of bioseonors in the evaluation of toxicity becomes increasingly important. For biosensor as a toxicity detection, biomolecules like antibodies or aptamers have been developed to specifically capture the toxic target molecules. In addition, the development of optimal chip materials capable of maintaining the activity of embedded biomolecules such as proteins or aptamers has proven challenging. Here, using sol-gel materials, new chip material, whose ability for immobilizing the embedded aptamers and maintaining the ability of embedded aptamers is optimal, was searched. We used sol-gel formulation screening methods previously developed and found the best formulation which shows high sensitive and specific interactions of aptamers. This study results will support the technological advancement for diagnosis and environmental sensor.
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KEYWORD
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Sol-gel chemistry, Biosensor, Aptamer, Environmental hazardous detection, Material screening, Aptamer chip
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