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Description
| - The self-assembly of guanosine-5 -hydrazide G-1 in D2O, in the presence and absence of sodium cations, has been investigated by chiroptical techniques: electronic (ECD) and the newly introduced vibrational (VCD) circular dichroism spectroscopy. Using a combination of ECD and VCD with other methods such as IR, electron microscopy, and electrospray ionization mass spectrometry (ESI-MS) it was found that G-1 produces long-range chiral aggregates consisting of G-quartets, (G-1)4, subsequently stacked into columns, [(G-1)4]n, induced by binding of metal cations between the (G-1)4 species. This process, accompanied by gelation of the sample, is highly efficient in the presence of an excess of sodium cations, leading to aggregates with strong quartet-quartet interaction. Thermally induced conformational changes and conformational stability of guanosine-5 -hydrazide assemblies were studied by chiroptical techniques and the melting temperature of the hydrogels formed was obtained. The temperature-dependent exp
- The self-assembly of guanosine-5 -hydrazide G-1 in D2O, in the presence and absence of sodium cations, has been investigated by chiroptical techniques: electronic (ECD) and the newly introduced vibrational (VCD) circular dichroism spectroscopy. Using a combination of ECD and VCD with other methods such as IR, electron microscopy, and electrospray ionization mass spectrometry (ESI-MS) it was found that G-1 produces long-range chiral aggregates consisting of G-quartets, (G-1)4, subsequently stacked into columns, [(G-1)4]n, induced by binding of metal cations between the (G-1)4 species. This process, accompanied by gelation of the sample, is highly efficient in the presence of an excess of sodium cations, leading to aggregates with strong quartet-quartet interaction. Thermally induced conformational changes and conformational stability of guanosine-5 -hydrazide assemblies were studied by chiroptical techniques and the melting temperature of the hydrogels formed was obtained. The temperature-dependent exp (en)
- Proces samoskladby guanosin-5 -hydrazidu G-1 v D2O roztocích, bez a za p ítomnosti sodných iont , byl studován chiroptickými metodami: spektroskopií elektronového (ECD) a nov také vibra ního (VCD) cirkulárního dichroismu. Kombinací spektroskopie ECD a VCD s jinými metodami jako I spektroskopií, elektronovou mikroskopií a hmotnostní spektrometrií s ionizací elektrosprejem (ESI-MS) bylo zji t no, e molekula G-1 vytvá í rozsáhlé chirální útvary slo ené z G-kvartet , (G-1)4, které mohou být následn za přítomnosti kationt spojeny patrovými interakcemi za vzniku uspo ádaných vláken, [(G-1)4]n. Tento proces spojený s gelovat ním vzorku je vysoce ú inný v p ítomnosti sodných kationt , které vedou ke vzniku agregát fixovaných silnými interakcemi mezi jednotlivými kvartety. Teplotn indukované konforma ní zm ny a konforma ní stabilita samoskladných útvar tvo ených guanosin-5 -hydrazidem byly studovány chiroptickými metodami a byly získány teploty tání p ipravených hydrogel . Teplotn závislé experimenty (cs)
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Title
| - Investigation of Guanosine Quartet Assemblies by Vibrational and Electronic Circular Dichroism Spectroscopy, a Novel Approach for Studying Supramolecular Entities
- Investigation of Guanosine Quartet Assemblies by Vibrational and Electronic Circular Dichroism Spectroscopy, a Novel Approach for Studying Supramolecular Entities (en)
- Studium samoskladby guanosinových kvartetů pomocí spektroskopie vibračního a elektronového cirkulárního dichroismu; nový přístup zkoumání supramolekulárních útvarů (cs)
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skos:prefLabel
| - Investigation of Guanosine Quartet Assemblies by Vibrational and Electronic Circular Dichroism Spectroscopy, a Novel Approach for Studying Supramolecular Entities
- Investigation of Guanosine Quartet Assemblies by Vibrational and Electronic Circular Dichroism Spectroscopy, a Novel Approach for Studying Supramolecular Entities (en)
- Studium samoskladby guanosinových kvartetů pomocí spektroskopie vibračního a elektronového cirkulárního dichroismu; nový přístup zkoumání supramolekulárních útvarů (cs)
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skos:notation
| - RIV/60461373:22340/06:00016634!RIV07-MSM-22340___
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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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/60461373:22340/06:00016634
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - circular dichroism; guanosine; hydrogels; self-assembly; supramolecular chemistry (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - DE - Spolková republika Německo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Chemistry A European Journal
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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...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Urbanová, Marie
- Setnička, Vladimír
- Volka, Karel
- Lehn, Jean-Marie
- Nampally, Sreenivasachary
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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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