Research Topics
Genomes and GenesSpecies | Erdal ToprakSummaryAffiliation: University of Illinois Country: USA Publications
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Detail Information
Publications
New fluorescent tools for watching nanometer-scale conformational changes of single moleculesErdal Toprak
Center for Biophysics and Computational Biology, University of Illinois, Urbana Champaign, Urbana, Illinois 61801, USA
Annu Rev Biophys Biomol Struct 36:349-69. 2007..Here we describe some of the most commonly used fluorescence imaging tools to measure nanoscale movements and the rotational dynamics of biomolecules...
Fluorescence Imaging with One-Nanometer Accuracy (FIONA)Paul R Selvin
Biophysics Center and Physics Department, University of Illinois, Urbana, IL 61801, USA
CSH Protoc 2007:pdb.top27. 2007..Finally, bright-field imaging with one-nanometer accuracy (bFIONA) achieves the temporal and spectral localization of FIONA but with bright-field microscopy, thus avoiding the use of fluorescence...
Fluorescence Imaging with One-Nanometer Accuracy (FIONA) of Cy3-DNA under Deoxygenation ConditionsPaul R Selvin
Biophysics Center and Physics Department, University of Illinois, Urbana, IL 61801, USA
CSH Protoc 2007:pdb.prot4868. 2007..It is important that the fluorophores remain photostable throughout the experiment. This requires an oxygen-scavenging system (e.g., glucose oxidase and catalase) in the medium...
Constructing Sample Chambers for Fluorescence Imaging with One-Nanometer Accuracy (FIONA)Paul R Selvin
Biophysics Center and Physics Department, University of Illinois, Urbana, IL 61801, USA
CSH Protoc 2007:pdb.prot4867. 2007..This protocol provides details on constructing an inexpensive sample chamber for use in single-molecule FIONA experiments and two methods for cleaning slides and coverslips...
Data Analysis Methods for Fluorescence Imaging with One-Nanometer Accuracy (FIONA)Paul R Selvin
Biophysics Center and Physics Department, University of Illinois, Urbana, IL, 61801, USA
CSH Protoc 2007:pdb.ip46. 2007..Data analysis of a FIONA experiment requires the use of several software programs. Data must be acquired and exported into a proper format before analysis can take place. This article describes various options for data analysis...
Why kinesin is so processiveErdal Toprak
Center for Biophysics and Computational Biology, University of Illinois at Urbana Champaign, Urbana, IL 61801, USA
Proc Natl Acad Sci U S A 106:12717-22. 2009..These 4 features reduce the likelihood that a kinesin I motor will dissociate and contribute to making this motor so highly processive...
Equipment Setup for Fluorescence Imaging with One-Nanometer Accuracy (FIONA)Paul R Selvin
Biophysics Center and Physics Department, University of Illinois, Urbana, IL 61801, USA
CSH Protoc 2007:pdb.ip45. 2007..This article describes procedures for setting up the equipment necessary for FIONA and achieving total internal reflection (TIR)...
Super-accuracy and super-resolution getting around the diffraction limitErdal Toprak
Department of Biophysics, University of Illinois, Urbana, Illinois, USA
Methods Enzymol 475:1-26. 2010..In this chapter, we will describe some of the experimental approaches, from our lab and others, that push the limits of localization accuracy and optical resolution in fluorescence microscopy...
Single-molecule fluorescence to study molecular motorsHyokeun Park
Department of Chemistry, University of Illinois, Urbana, IL, USA
Q Rev Biophys 40:87-111. 2007..We explain new understanding of molecular motors obtained from measurements using these techniques...
Myosin VI undergoes a 180 degrees power stroke implying an uncoupling of the front lever armJeff G Reifenberger
Department of Physics, University of Illinois, Urbana, IL 61801, USA
Proc Natl Acad Sci U S A 106:18255-60. 2009....
Defocused orientation and position imaging (DOPI) of myosin VErdal Toprak
Center for Biophysics and Computational Biology and Physics Department, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
Proc Natl Acad Sci U S A 103:6495-9. 2006..When beta changes, the probe rotates +/-27 degrees azimuthally around actin and then rotates back again on the next step. Our results remove degeneracy in angles and the appearance of nontilting lever arms that were reported...
Three-dimensional particle tracking via bifocal imagingErdal Toprak
Department of Biophysics, University of Illinois Urbana Champaign, Urbana, Illinois 61801, USA
Nano Lett 7:2043-5. 2007..We applied our method to several systems including in vivo melanosome tracking and phagocytosed fluorescent bead tracking. We have achieved 2-5 nm accuracy with a 2-50 ms time resolution...
