About: Covalent immobilization of redox protein within the mesopores of transparent conducting electrodes

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About: Covalent immobilization of redox protein within the mesopores of transparent conducting electrodes Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Redox protein cytochrome c was immobilized at high electrochemically accessible loading on mesoporous films of antimony doped tin oxide (ATO) exhibiting high conductivity, transparency and a large surface area. The grafting was achieved by covalent attachment of the protein to the electrode surface. Alternatively, cytochrome c was effectively adsorbed on the ATO electrode surface due to strong electrostatic interaction between the positively charged cytochrome c and the negatively charged ATO surface. The amount of electrochemically addressable cytochrome c is proportional to the specific surface area, reaching up to 440pmol/cm2 and 600pmol/cm2 for covalently attached and adsorbed protein, respectively, for the 370nm thick films. The covalently attached protein exhibits substantially higher stability towards leaching than the adsorbed one. The combination of transparent conducting porous electrode matrix with the electroactive proteins is promising for the development of efficient bio-optoelectronic devices and for in situ spectroelectrochemical studies of biomolecules. Redox protein cytochrome c was immobilized at high electrochemically accessible loading on mesoporous films of antimony doped tin oxide (ATO) exhibiting high conductivity, transparency and a large surface area. The grafting was achieved by covalent attachment of the protein to the electrode surface. Alternatively, cytochrome c was effectively adsorbed on the ATO electrode surface due to strong electrostatic interaction between the positively charged cytochrome c and the negatively charged ATO surface. The amount of electrochemically addressable cytochrome c is proportional to the specific surface area, reaching up to 440pmol/cm2 and 600pmol/cm2 for covalently attached and adsorbed protein, respectively, for the 370nm thick films. The covalently attached protein exhibits substantially higher stability towards leaching than the adsorbed one. The combination of transparent conducting porous electrode matrix with the electroactive proteins is promising for the development of efficient bio-optoelectronic devices and for in situ spectroelectrochemical studies of biomolecules. (en)
Title	Covalent immobilization of redox protein within the mesopores of transparent conducting electrodes Covalent immobilization of redox protein within the mesopores of transparent conducting electrodes (en)
skos:prefLabel	Covalent immobilization of redox protein within the mesopores of transparent conducting electrodes Covalent immobilization of redox protein within the mesopores of transparent conducting electrodes (en)
skos:notation	RIV/61388955:_____/14:00421301!RIV15-GA0-61388955
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA104/08/0435)
http://linked.open...iv/cisloPeriodika	JAN 2014
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Rathouský, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	9109
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/14:00421301
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Covalent immobilization; Porous electrodes; Redox proteins (en)
http://linked.open.../riv/klicoveSlovo	Porous electrodes Covalent immobilization Redox proteins
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[586ECE525792]
http://linked.open...i/riv/nazevZdroje	Electrochimica acta
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	%22Inteligentně strukturované%22 mesoporézní vrstvy TiO2 s antibakteriálními a řízeně proměnnými smáčecími vlastnostmi
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	116
http://linked.open...iv/tvurceVysledku	Fattakhova-Rohlfing, D. Müller, V. Rathouský, Jiří
http://linked.open...ain/vavai/riv/wos	000331494400001
issn	0013-4686
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.electacta.2013.10.136

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