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2015 ; 872
(ä): 7-25
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Protein adsorption onto nanomaterials for the development of biosensors and
analytical devices: a review
#MMPMID25892065
Bhakta SA
; Evans E
; Benavidez TE
; Garcia CD
Anal Chim Acta
2015[May]; 872
(ä): 7-25
PMID25892065
show ga
An important consideration for the development of biosensors is the adsorption of
the biorecognition element to the surface of a substrate. As the first step in
the immobilization process, adsorption affects most immobilization routes and
much attention is given into the research of this process to maximize the overall
activity of the biosensor. The use of nanomaterials, specifically nanoparticles
and nanostructured films, offers advantageous properties that can be fine-tuned
to maximize interactions with specific proteins to maximize activity, minimize
structural changes, and enhance the catalytic step. In the biosensor field,
protein-nanomaterial interactions are an emerging trend that span across many
disciplines. This review addresses recent publications about the proteins most
frequently used, their most relevant characteristics, and the conditions required
to adsorb them to nanomaterials. When relevant and available, subsequent
analytical figures of merits are discussed for selected biosensors. The general
trend amongst the research papers allows concluding that the use of nanomaterials
has already provided significant improvements in the analytical performance of
many biosensors and that this research field will continue to grow.