About: Direct mediatorless electron transport between the monolayer of photosystem II and poly (mercapto-p-benzoquinone) modified gold electrode-new design of biosensor for herbicide detection     Goto   Sponge   NotDistinct   Permalink

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Description
  • Photosystem II (PSII) modified gold electrodes have been prepared providing mediatorless electron transport on the basis of electrodeposited conductive layer poly-mercapto-p-benzoquinone (polySBQ). Such electrodes are suitable in construction of biosensors for PSII inhibiting herbicides. PolySBQ layer was synthesized on (i) screen-printed gold electrodes and (ii) gold microelectrodes in an array on silicon substrate by electrochemical-oxidation of sulpho-p-benzoquinone (SBQ). PSII particles isolated from the thermophilic cyanobacteria Synechococcus bigranulatus were physically adsorbed on the polySBQ covered gold electrodes. The generation of photocurrent was observed at E = +250 mV (versus Ag/AgCI) without addition of any mediator
  • Photosystem II (PSII) modified gold electrodes have been prepared providing mediatorless electron transport on the basis of electrodeposited conductive layer poly-mercapto-p-benzoquinone (polySBQ). Such electrodes are suitable in construction of biosensors for PSII inhibiting herbicides. PolySBQ layer was synthesized on (i) screen-printed gold electrodes and (ii) gold microelectrodes in an array on silicon substrate by electrochemical-oxidation of sulpho-p-benzoquinone (SBQ). PSII particles isolated from the thermophilic cyanobacteria Synechococcus bigranulatus were physically adsorbed on the polySBQ covered gold electrodes. The generation of photocurrent was observed at E = +250 mV (versus Ag/AgCI) without addition of any mediator (en)
  • Modifikované zlaté elektrody s naneseným komplexem fotosystému II (PSII) byly připraveny pro bezmediátorový elektronový transport pomocí elektrodepozice vodivé vrstvy poly-mercapto-p-benzochinonu (polySBQ). Tyto elektrody jsou vhodné ke konstrukci biosenzoru pro herbicidy inhibující PSII. PolySBQ vrstva byla nanesena na: (i) tištěných zlatých elektrodách a (ii) v sadě zlatých mikroelektrod na silikonovém substrátu pomocí elektrochemické oxidace sulfo-p-benzochinonu. Částice PSII izolované z termofilní sinice Synechococcus bigranulatus byly naneseny na zlatou elektrodu pokrytou polySBQ. Vznik fotoproudu byl pozorován při potenciálu E=+250 mV (s reference Ag/AgCl) bez přídavku mediátoru (cs)
Title
  • Direct mediatorless electron transport between the monolayer of photosystem II and poly (mercapto-p-benzoquinone) modified gold electrode-new design of biosensor for herbicide detection
  • Direct mediatorless electron transport between the monolayer of photosystem II and poly (mercapto-p-benzoquinone) modified gold electrode-new design of biosensor for herbicide detection (en)
  • Přímý bezmediátový přenos elektronů mezi monovrstvou fotosystému II a zlatou elektrodou modifikovanou poly-mercapto-p-benzochinonem – nový návrh biosenzoru pro detekci herbicidů (cs)
skos:prefLabel
  • Direct mediatorless electron transport between the monolayer of photosystem II and poly (mercapto-p-benzoquinone) modified gold electrode-new design of biosensor for herbicide detection
  • Direct mediatorless electron transport between the monolayer of photosystem II and poly (mercapto-p-benzoquinone) modified gold electrode-new design of biosensor for herbicide detection (en)
  • Přímý bezmediátový přenos elektronů mezi monovrstvou fotosystému II a zlatou elektrodou modifikovanou poly-mercapto-p-benzochinonem – nový návrh biosenzoru pro detekci herbicidů (cs)
skos:notation
  • RIV/61388971:_____/05:00024278!RIV06-AV0-61388971
http://linked.open.../vavai/riv/strany
  • 923;932
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(FT-TA/089), P(GA522/00/1274), Z(AV0Z50200510)
http://linked.open...iv/cisloPeriodika
  • -
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 518206
http://linked.open...ai/riv/idVysledku
  • RIV/61388971:_____/05:00024278
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • photosystem II; biosensor; herbicides (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [A38D8FE22DC9]
http://linked.open...i/riv/nazevZdroje
  • Biosensors and Bioeletronics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 21
http://linked.open...iv/tvurceVysledku
  • Masojídek, Jiří
  • Malý, J.
  • Pilloton, R.
  • Masci, A.
  • Vastarella, W.
  • Ilie, M.
  • Cianci, E.
  • Foglieti, V.
http://linked.open...n/vavai/riv/zamer
issn
  • 0956-5663
number of pages
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