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Description
| - We present a novel experimental method that solves two key problems in nondestructive mechanical studies of small biomolecules at the single-molecule level, namely the confirmation of single-molecule conditions and the discrimination against nonspecific binding. A biotin avidin ligand-receptor couple is spanned between a glass slide and a 1 mu m latex particles using short linker molecules. Optical tweezers are used to initiate bond formation and to follow the particles thermal position fluctuations with nanometer spatial and microsecond temporal resolution. Here we show that each step in the specific binding process leads to an abrupt change in the magnitude of the particle's thermal position fluctuations, allowing us to count the number of bonds formed one by one. Moreover, three-dimensional position histograms calculated from the particle's fluctuations can be separated into well-defined categories reflecting different binding conditions.
- We present a novel experimental method that solves two key problems in nondestructive mechanical studies of small biomolecules at the single-molecule level, namely the confirmation of single-molecule conditions and the discrimination against nonspecific binding. A biotin avidin ligand-receptor couple is spanned between a glass slide and a 1 mu m latex particles using short linker molecules. Optical tweezers are used to initiate bond formation and to follow the particles thermal position fluctuations with nanometer spatial and microsecond temporal resolution. Here we show that each step in the specific binding process leads to an abrupt change in the magnitude of the particle's thermal position fluctuations, allowing us to count the number of bonds formed one by one. Moreover, three-dimensional position histograms calculated from the particle's fluctuations can be separated into well-defined categories reflecting different binding conditions. (en)
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Title
| - Detecting sequential bond formation using three-dimensional thermal fluctuation analysis
- Detecting sequential bond formation using three-dimensional thermal fluctuation analysis (en)
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skos:prefLabel
| - Detecting sequential bond formation using three-dimensional thermal fluctuation analysis
- Detecting sequential bond formation using three-dimensional thermal fluctuation analysis (en)
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skos:notation
| - RIV/68081731:_____/09:00333759!RIV10-AV0-68081731
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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/68081731:_____/09:00333759
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - biophysics; mechanical properties; optical tweezers; single-molecule studies; thermal fluctuations (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
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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
| - Jonáš, Alexandr
- Huang, R.
- Bartsch, T.
- Fisinger, S.
- Florin, E. L.
- Kochanczyk, M. D.
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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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is http://linked.open...avai/riv/vysledek
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