Results 241 to 250 of about 1,963,376 (294)

Thermal Fluctuations in Histone During Denaturation

Journal of Nanoscience and Nanotechnology, 2007
In this paper, we address the issue of thermal fluctuations during the thermal denaturation of linker histone H1 which is the basic ingredient of chromatin assembly. We measure the thermal fluctuations using a sensitive nanocalorimeter based thermal fluctuation measurement set up which can measure fluctuations of the order of 1 part per billion.
Nagapriya, KS, Raychaudhuri, AK, Shivashankar, GV   +2 more
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Thermal denaturation of subchromosomal particles

Biochemical and Biophysical Research Communications, 1975
Summary Monomer chromatin subunits prepared by micrococcal nuclease digestion showed a monophasic thermal denaturation transition with a Tm of about 77°C. By contrast, dimers and higher oligomers gave a biphasic melting profile, with Tms at 45–55°C and 77°C.
C L, Woodcock, L L, Frado
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Thermal denaturation of staphylococcal nuclease

Biochemistry, 1985
The fully reversible thermal denaturation of staphylococcal nuclease in the absence and presence of Ca2+ and/or thymidine 3',5'-diphosphate (pdTp) from pH 4 to 8 has been studied by high-sensitivity differential scanning calorimetry. In the absence of ligands, the denaturation is accompanied by an enthalpy change of 4.25 cal g-1 and an increase in ...
R O, Calderon, N J, Stolowich, J A, Gerlt, J M, Sturtevant   +3 more
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Nonideality and protein thermal denaturation

Biopolymers, 1999
We studied the thermal denaturation of eglin c by using CD spectropolarimetry and differential scanning calorimetry (DSC). At low protein concentrations, denaturation is consistent with the classical two-state model. At concentrations greater than several hundred microM, however, the calorimetric enthalpy and the midpoint transition temperature ...
J C, Waldner, S J, Lahr, M H, Edgell, G J, Pielak   +3 more
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Thymus deoxyribonucleoproteinIV. Thermal denaturation

Biochimica et Biophysica Acta, 1963
Abstract The effects of thermal denaturation on the ultraviolet absorption and viscosity of calf-thymus deoxyribonucleohistone and deoxyribonucleic acid have been compared. The denaturation temperature of nucleohistone was higher than that of nucleic acid.
M F, LEE, I O, WALKER, A R, PEACOCKE
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High-resolution analyzer of thermal denaturation

Analytical Biochemistry, 1974
Abstract Details are given for the construction of a high-resolution denaturation analyzer for nucleic acid-containing macromolecules. The system contains the following new components: Peltier elements, guided by a linear resistance thermometer for temperature control, electronic microstirrer for quick thermal equilibration within the sample cell ...
P, Näslund, B, Liljesvan, L, Abrahamsson   +2 more
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Kinetics of thermal denaturation of antithrombin III

Biotechnology and Bioengineering, 1982
AbstractPurified antithrombin III (AT III), a single‐chain human plasma glycoprotein, molecular weight 58,000 daltons, and one of the major serine protease inhibitors, was heated in the 60–70°C range for inactivating possible contaminations by hepatitis B virus (HBV).
G, Mitra, P M, Schneider, J L, Lundblad
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Thermal denaturation of lobster hemocyanin

Biochimica et Biophysica Acta, 1957
Abstract 1. 1. A procedure for the determination of heat denaturation of hemocyanin by means of changes in specific refractive increment has been presented. The method possesses the advantage of requiring a small volume (0.1 ml) of solution for analysis. 2. 2.
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Microscopic description of DNA thermal denaturation

Applied Mathematics and Computation, 2019
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Mateusz Debowski, Miroslaw Lachowicz, Zuzanna Szymanska   +2 more
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