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| Description
| - Peridinin-chlorofylový complex obsahuje dvě vazebná místa pro chlorofyl, která jsou v nativním komplexu obsazena chlorofylem a. Pomocí biochemických metod je možné PCP complex rekonstituovat s jinými chlorofyly, a v případě rekonstituce se směsí chlorofylů vzniknou PCP komplexy v nichž je každé vazebné místo obsazeno jiným typem chlorofylu. Tyto komplexy jsou ideálním nástrojem pro stadium mechanism přenosu energie. Článek studuje přenos energie v PCP komplexech obsahujících kombinace chlorofylů Chl-b/Chl-d a Chl-a/BChl-a. V článku je ukázáno, že řenos energie mezi chlorofyly probíhá tzv. Forsterovým mechanismem. (cs)
- We use femtosecond transient absorption spectroscopy to study chlorophyll (Chl)-Chl energy transfer in the peridinin-chlorophyll protein (PCP) reconstituted with mixtures of either chlorophyll b (Chlb) and Chld or Chla and bacteriochlorophyll a (BChla). Analysis of absorption and transient absorption spectra demonstrated that reconstitution with chlorophyll mixtures produces a significant fraction of PCP complexes that contains a different Chl in each domain of the PCP monomer. The data also suggest that binding affinity of Chla is less than that of the other three Chl species. By exciting the Chl species lying at higher energy, we obtained energy transfer times of 40 +/- 5 ps (Chlb-Chld) and 59 3 ps (Chla-BChla). The experimental values match those obtained from the Forster equation, 36 and 50 ps, respectively, showing that energy transfer proceeds via the Forster mechanism. Excitation of peridinin in the PCP complex reconstituted with Chla/BChla mixture provided time constants of 2.6 and 0.4 ps for
- We use femtosecond transient absorption spectroscopy to study chlorophyll (Chl)-Chl energy transfer in the peridinin-chlorophyll protein (PCP) reconstituted with mixtures of either chlorophyll b (Chlb) and Chld or Chla and bacteriochlorophyll a (BChla). Analysis of absorption and transient absorption spectra demonstrated that reconstitution with chlorophyll mixtures produces a significant fraction of PCP complexes that contains a different Chl in each domain of the PCP monomer. The data also suggest that binding affinity of Chla is less than that of the other three Chl species. By exciting the Chl species lying at higher energy, we obtained energy transfer times of 40 +/- 5 ps (Chlb-Chld) and 59 3 ps (Chla-BChla). The experimental values match those obtained from the Forster equation, 36 and 50 ps, respectively, showing that energy transfer proceeds via the Forster mechanism. Excitation of peridinin in the PCP complex reconstituted with Chla/BChla mixture provided time constants of 2.6 and 0.4 ps for (en)
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| Title
| - Energy transfer in the peridinin-chlorophyll protein complex reconstituted with mixed chlorophyll sites
- Přenos energie v peridinin-chlorofylovém komplexu rekonstituovaném s různými chlorofyly (cs)
- Energy transfer in the peridinin-chlorophyll protein complex reconstituted with mixed chlorophyll sites (en)
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| skos:prefLabel
| - Energy transfer in the peridinin-chlorophyll protein complex reconstituted with mixed chlorophyll sites
- Přenos energie v peridinin-chlorofylovém komplexu rekonstituovaném s různými chlorofyly (cs)
- Energy transfer in the peridinin-chlorophyll protein complex reconstituted with mixed chlorophyll sites (en)
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| skos:notation
| - RIV/60076658:12640/08:00009972!RIV09-MSM-12640___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(IAA608170604), V, Z(AV0Z50510513)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/60076658:12640/08:00009972
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Single-Molecule Spectroscopy; Light-Harvesting Complex; Charge-Transfer State; A-Protein; Amphidinium-Carterae; Fluorescence Spectroscopy; Rhodobacter-Sphaeroides; Carotenoids Peridinin; Transient Absorption; Target Analysis (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Polívka, Tomáš
- Hiller, Roger G.
- Pascher, Torbjörn
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| http://linked.open...ain/vavai/riv/wos
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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