Open Access
Local pH Gradient Initiated by Light on TiO2 for Light-Triggered Modulation of Polyhistidine-Tagged Proteins
Publication type: Journal Article
Publication date: 2016-08-12
Catalysis
Electrochemistry
Abstract
A new principle of photo-assisted spatial desorption of (poly)histidine-tagged (His-Tag) proteins on a TiO2 surface is suggested. A semiconductor TiO2 surface is decorated by layer-by-layer (LbL) assembly of a strong polyelectrolyte, namely, polystyrene sulfonate (PSS), and nickel–nitrilotriacetic acid (NTA). The PSS/NTA multilayer architecture provides n-fold (n×NTA) binding efficiency for more precise protein recognition in comparison to existing molecular His-Tag protein recognition with one- and threefold multiplication (1×NTA, 3×NTA). Spatially resolved desorption of proteins is regulated by non- photodestructive short-term low-intensity light irradiation (<5 mW cm−2). The local pH shift on irradiated TiO2 selectively affects the pH-sensitive NTA/protein complex, but not the LbL assembly of PSS and NTA, which is stable in a broad pH range.
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Andreeva D. et al. Local pH Gradient Initiated by Light on TiO2 for Light-Triggered Modulation of Polyhistidine-Tagged Proteins // ChemElectroChem. 2016. Vol. 3. No. 9. pp. 1306-1310.
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Andreeva D., Melnyk I., Baidukova O., Skorb E. V. Local pH Gradient Initiated by Light on TiO2 for Light-Triggered Modulation of Polyhistidine-Tagged Proteins // ChemElectroChem. 2016. Vol. 3. No. 9. pp. 1306-1310.
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TY - JOUR
DO - 10.1002/celc.201600268
UR - https://doi.org/10.1002/celc.201600268
TI - Local pH Gradient Initiated by Light on TiO2 for Light-Triggered Modulation of Polyhistidine-Tagged Proteins
T2 - ChemElectroChem
AU - Andreeva, D.V.
AU - Melnyk, Inga
AU - Baidukova, Olga
AU - Skorb, Ekaterina V.
PY - 2016
DA - 2016/08/12
PB - Wiley
SP - 1306-1310
IS - 9
VL - 3
SN - 2196-0216
ER -
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BibTex (up to 50 authors)
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@article{2016_Andreeva,
author = {D.V. Andreeva and Inga Melnyk and Olga Baidukova and Ekaterina V. Skorb},
title = {Local pH Gradient Initiated by Light on TiO2 for Light-Triggered Modulation of Polyhistidine-Tagged Proteins},
journal = {ChemElectroChem},
year = {2016},
volume = {3},
publisher = {Wiley},
month = {aug},
url = {https://doi.org/10.1002/celc.201600268},
number = {9},
pages = {1306--1310},
doi = {10.1002/celc.201600268}
}
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MLA
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Andreeva, D.V., et al. “Local pH Gradient Initiated by Light on TiO2 for Light-Triggered Modulation of Polyhistidine-Tagged Proteins.” ChemElectroChem, vol. 3, no. 9, Aug. 2016, pp. 1306-1310. https://doi.org/10.1002/celc.201600268.
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