Electrical Biosensor Of Kinase Assay on the MWCNT Nanoelectrode

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dc.contributor.authorLee, Jae Shin-
dc.contributor.authorLee, Seok Jae-
dc.contributor.authorPark, Jong Pil-
dc.contributor.authorPark, Tae jung-
dc.contributor.authorKim, DoHyun-
dc.contributor.authorLee, Sang Yup-
dc.contributor.authorJung, Dae-Hwan-
dc.contributor.authorJung, Hee Tae-
dc.contributor.authorKim, Jin Hee-
dc.contributor.authorKwon Seong Ku-
dc.identifier.citationProc. 2nd Intern. Symp. on Nanomanufacturing, ISNM2004, v., no., pp.406 - 410-
dc.description.abstractWe have demonstrated the use of MWCNT as a nanoscale probe to monitor the activity of enzyme kinase. To immobilize the substrate peptide using carbodiimide chemistry, plasma or strong acid treatments were used to induce carboxyl groups on the sidewall of MWCNTs. After the susbtrate peptide immobilization, increase of conductance from MWCNT devices was observed. When peptide modified MWCNTs react with enzyme kinase, conductance decreases by several orders of magnitude, and this conductance change can be explained by the phosphorylation reaction of enzyme kinase. When the sample was incubated with phosphatase to dephosphorylate the substrate peptide, nearly complete recovery of the conductance signal has been observed. 4 for 6 devices appeared the same trends. So, we can confirm that we have monitored the kinase activity on the MWCNT surface by electrical detection.-
dc.titleElectrical Biosensor Of Kinase Assay on the MWCNT Nanoelectrode-
dc.citation.publicationnameProc. 2nd Intern. Symp. on Nanomanufacturing, ISNM2004-
dc.contributor.localauthorKim, DoHyun-
dc.contributor.nonIdAuthorLee, Jae Shin-
dc.contributor.nonIdAuthorLee, Seok Jae-
dc.contributor.nonIdAuthorPark, Jong Pil-
dc.contributor.nonIdAuthorPark, Tae jung-
dc.contributor.nonIdAuthorLee, Sang Yup-
dc.contributor.nonIdAuthorJung, Dae-Hwan-
dc.contributor.nonIdAuthorJung, Hee Tae-
dc.contributor.nonIdAuthorKim, Jin Hee-
dc.contributor.nonIdAuthorKwon Seong Ku-
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