Search Results - "Bloomfield, Victor A"
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Salt Dependence of the Elasticity and Overstretching Transition of Single DNA Molecules
Published in Biophysical journal (01-06-2002)“…As double-stranded DNA is stretched to its B-form contour length, models of polymer elasticity can describe the dramatic increase in measured force. When the…”
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2
Thermodynamics of Cationic Lipid Binding to DNA and DNA Condensation: Roles of Electrostatics and Hydrophobicity
Published in Journal of the American Chemical Society (26-06-2002)“…Alkylammonium binding to DNA was studied by isothermal titration calorimetry. Experimental data, obtained as functions of alkyl chain length, salt…”
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3
Ionic Effects on the Elasticity of Single DNA Molecules
Published in Proceedings of the National Academy of Sciences - PNAS (10-06-1997)“…We used a force-measuring laser tweezers apparatus to determine the elastic properties of λ -bacteriophage DNA as a function of ionic strength and in the…”
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4
Thermodynamics of DNA Interactions from Single Molecule Stretching Experiments
Published in Accounts of chemical research (01-03-2002)“…On the basis of our analysis of detailed measurements of the dependence of the overstretching transition of double-stranded DNA (dsDNA) on temperature, pH, and…”
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5
Effect of pH on the Overstretching Transition of Double-Stranded DNA: Evidence of Force-Induced DNA Melting
Published in Biophysical journal (01-02-2001)“…When a single molecule of double-stranded DNA is stretched beyond its B-form contour length, the measured force shows a highly cooperative overstretching…”
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6
Entropy and Heat Capacity of DNA Melting from Temperature Dependence of Single Molecule Stretching
Published in Biophysical journal (01-04-2001)“…When a single molecule of double-stranded DNA is stretched beyond its B-form contour length, the measured force shows a highly cooperative overstretching…”
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7
Stretching of Single Collapsed DNA Molecules
Published in Biophysical journal (01-04-2000)“…The elastic response of single plasmid and lambda phage DNA molecules was probed using optical tweezers at concentrations of trivalent cations that provoked…”
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8
Excluded Volume in Solvation: Sensitivity of Scaled-Particle Theory to Solvent Size and Density
Published in Biophysical journal (01-11-2000)“…Changes in solvent environment greatly affect macromolecular structure and stability. To investigate the role of excluded volume in solvation, scaled-particle…”
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Crowding Effects on EcoRV Kinetics and Binding
Published in Biophysical journal (01-12-1999)“…The cytosol of the cell contains high concentrations of small and large macromolecules, but experimental data are often obtained in dilute solutions that do…”
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Force-Induced Melting of the DNA Double Helix 1. Thermodynamic Analysis
Published in Biophysical journal (01-02-2001)“…The highly cooperative elongation of a single B-DNA molecule to almost twice its contour length upon application of a stretching force is interpreted as…”
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11
DNA condensation
Published in Current opinion in structural biology (01-06-1996)“…Recent progress in our understanding of DNA condensation includes the observation of the collapse of single DNA molecules, greater insights into the…”
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12
DNA condensation by multivalent cations
Published in BIOPOLYM (1997)“…In the presence of multivalent cations, high molecular weight DNA undergoes a dramatic condensation to a compact, usually highly ordered toroidal structure…”
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13
Force-Induced Melting of the DNA Double Helix. 2. Effect of Solution Conditions
Published in Biophysical journal (01-02-2001)“…In this paper, we consider the implications of the general theory developed in the accompanying paper, to interpret experiments on DNA overstretching that…”
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14
Small-angle x-ray scattering of semidilute rodlike DNA solutions: polyelectrolyte behavior
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15
Competitive Electrostatic Binding of Charged Ligands to Polyelectrolytes: Planar and Cylindrical Geometries
Published in Journal of physical chemistry (1952) (07-03-1996)“…The strong salt dependence of the binding of multivalent ligands to DNA indicates the predominantly electrostatic nature of that binding. To a good first…”
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Structural basis of polyamine-DNA recognition: spermidine and spermine interactions with genomic B-DNAs of different GC content probed by Raman spectroscopy
Published in Nucleic acids research (01-09-2000)“…Four genomic DNAs of differing GC content (Micrococcus luteus, 72% GC; Escherichia coli, 50% GC; calf thymus, 42% GC; Clostridium perfringens, 27% GC) have…”
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Hexamminecobalt(III)-induced condensation of calf thymus DNA: circular dichroism and hydration measurements
Published in Nucleic acids research (01-07-2001)“…The interaction of hexamminecobalt(III), Co(NH(3))(6)(3+), with 160 and 3000-8000 bp length calf thymus DNA has been investigated by circular dichroism,…”
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Mechanism for Nucleic Acid Chaperone Activity of HIV-1 Nucleocapsid Protein Revealed by Single Molecule Stretching
Published in Proceedings of the National Academy of Sciences - PNAS (22-05-2001)“…The nucleocapsid protein (NC) of HIV type 1 is a nucleic acid chaperone that facilitates the rearrangement of nucleic acids into conformations containing the…”
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19
Probe Diffusion in Concentrated Polyelectrolyte Solutions: Effect of Background Interactions on Competition between Electrostatic and Viscous Forces
Published in Macromolecules (13-12-2005)“…We have used fluorescence recovery after photobleaching (FRAP) to measure the diffusion coefficient D of a small probe protein, green fluorescent protein…”
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20
Influence of Ligand Spatial Organization on Competitive Electrostatic Binding to DNA
Published in Journal of physical chemistry (1952) (07-03-1996)“…The influence of ligand size on electrostatic binding to DNA in a background of competing counterions is analyzed with the planar Poisson−Boltzmann (P−B)…”
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