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Amino modified probes with immobilized linkers and proteins for atomic force microscopy

Limanskii A.

 


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Functionalized by bovine serum albumin (BSA) probes for atomic force microscopy (AFM) which can be used for molecular recognition studies has been obtained. Modification and functionalization procedure of AFM probe includes three stages. First, amino probes were obtained by modification in vapors of amino silane derivative. Then surface amino groups of the amino probe interacted with homobifunctional amino reactive crosslinker. And finally, the probe with covalently attached crosslinker was functionalized by BSA molecules. Obtained AFM probes were characterized on the different stages of the modification by force measurements and the adhesion forces were determined. Process of modification was confirmed by visualization of BSA and supercoiled pGEMEX DNA molecules immobilized on the standard amino mica and amino mica modified by crosslinker.

Tsitologiya i Genetika 2006, vol. 40, no. 1, pp. 70-79

E-mail: alex.limanskii mail.ru

Limanskii A. Amino modified probes with immobilized linkers and proteins for atomic force microscopy, Tsitol Genet., 2006, vol. 40, no. 1, pp. 70-79.




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