Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.colsurfb.2006.01.009
Title: Micropatterning of proteins on nanospheres
Authors: Zhang, Y. 
Keywords: Micropatterning
Microwell
Nanosphere
Protein
Self-assembly
Issue Date: 1-Mar-2006
Source: Zhang, Y. (2006-03-01). Micropatterning of proteins on nanospheres. Colloids and Surfaces B: Biointerfaces 48 (1) : 95-100. ScholarBank@NUS Repository. https://doi.org/10.1016/j.colsurfb.2006.01.009
Abstract: Currently micropatterning of proteins is mainly carried out on a planar substrate, which involves multi-step surface modifications directly on the substrate. Efficiency of chemical reactions is usually low, resulting in low signal-to-noise (S/N) ratio and poor repeatability of results. Here we presented a micropatterning method using polystyrene nanospheres with non-planar surface as a solid support for attaching proteins, which introduces many advantages. The patterning of proteins was carried out in two approaches: one was to dispense polystyrene nanospheres into an array of microwells and then attach proteins onto the nanospheres, and another was to coat polystyrene nanospheres with proteins first and then deposit the spheres into the microwells. For both approaches, a uniform pattern of proteins was generated. The amount of proteins attached via nanospheres was much higher than that on planar surface. © 2006 Elsevier B.V. All rights reserved.
Source Title: Colloids and Surfaces B: Biointerfaces
URI: http://scholarbank.nus.edu.sg/handle/10635/67158
ISSN: 09277765
DOI: 10.1016/j.colsurfb.2006.01.009
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