Results 151 to 160 of about 62,310 (196)
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Cold Spring Harbor Protocols, 2010
INTRODUCTIONAlthough SDS-PAGE is the method of choice for most denaturing gel electrophoresis procedures, the anionic detergent SDS still presents some drawbacks. For example, SDS forms crystals at low temperatures and, in some cases, causes proteins to aggregate or precipitate.
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INTRODUCTIONAlthough SDS-PAGE is the method of choice for most denaturing gel electrophoresis procedures, the anionic detergent SDS still presents some drawbacks. For example, SDS forms crystals at low temperatures and, in some cases, causes proteins to aggregate or precipitate.
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Structure of DNA-CTAB-hexanol complexes
Physical Review E, 2006We have probed structures of the complexes formed by DNA with the cationic surfactant cetyltrimethylammonium bromide in the presence of the cosurfactant hexanol, using small angle x-ray diffraction techniques. They are found to exhibit a hexagonal-->lamellar-->hexagonal transition with increasing hexanol content.
Krishnaswamy, Rema +4 more
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CTAB enhancement of FRET in DNA structures
Journal of Biophotonics, 2015The effect of cetyl‐trimethylammonium bromide (CTAB) on enhancing the fluorescence resonance energy transfer (FRET) between two dye‐conjugated DNA strands was studied using fluorescence emission spectroscopy and dynamic light scattering (DLS). For hybridized DNA where one strand is conjugated with a TAMRA donor and the other with a TexasRed acceptor ...
Taeseok, Oh +3 more
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The interaction between morin and CTAB aggregates
Journal of Colloid and Interface Science, 2005Electronic absorption spectra, fluorescence emission spectra, ATR-FTIR spectra, cyclic voltammetric measurements, and ab initio quantum calculation are used to study the properties of morin in CTAB micelles with different microstructures and microenvironments and to gain information about the binding of morin with CTAB micelles. Morin can be located in
Weiya, Liu, Rong, Guo
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Combing DNA on CTAB-coated surfaces
Biophysical Chemistry, 2004A fluorescence microscope (FM) coupled with an intensified charge-coupled device (ICCD) camera was used to investigate the combing of DNA on cetyltrimethyl ammonium bromide (CTAB)-coated glass surfaces. DNA molecules can be combed uniform and straight on CTAB-coated surfaces. Different combing characteristics at different pH values were found. At lower
Hu-Zhi, Zheng +4 more
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The effect of CTAB on Na2SO4 nucleation in mixed Na2SO4/CTAB aerosols by FTIR-ATR technology
Chinese Chemical Letters, 2016Abstract FTIR-ATR technology is used to study the efflorescence kinetic of Na2SO4 and mixed Na2SO4/CTAB aerosols. As the RH decreased linearly, the ν3 SO42− band shifts from 1094 cm−1 to 1132 cm−1, suggesting the phase transition of Na2SO4 from solution to crystal phase (III).
Dan-Ting Tan +3 more
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The source of toxicity in CTAB and CTAB-stabilized gold nanorods
2013The use of nanoparticles for sensing, cell imaging, and therapy has seen an extraordinary increase, in recent years. But, one of the issues commonly encountered when using nanoparticles in bioapplications is their toxicity. Cetyltrimethylammonium bromide (CTAB) is a common surfactant used in nanoparticle synthesis.
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The dynamical landscape in CTAB micelles
Soft Matter, 2012Here we report molecular dynamics of cetyltrimethylammonium bromide (CTAB) based cationic micelles as studied using an incoherent quasielastic neutron scattering (QENS) technique. Data as obtained from two different spectrometers, IRIS at the ISIS facility, UK, and FOCUS at SINQ, PSI, Switzerland, having energy resolutions, ΔE ≈ 17.5 μeV and 55 μeV ...
Sharma, V.K. +5 more
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Ultrasonic Studies of Ctab in Glycol
Molecular Crystals and Liquid Crystals, 2003Ultrasonic absorption and velocity measurements have been made in cetyl trimethyl ammonium bromide (CTAB) in nonaqueous solution of ethylene glycol as a function of concentration, temperature, and at a fixed frequency. The interferometer technique has been used to measure ultrasonic velocity at 2 MHz.
S. K. Kor, R. R. Yadav, Devraj Singh
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Langmuir, 1999
The behavior of glycerol and glyceraldehyde as cosurfactants in the ternary CTAB/glycerol/water and CTAB/glyceraldehyde/water systems is studied. The phase diagrams only show the L and the hexagonal H1 phases. The L phase conductivity results at low surfactant concentration agree with no interaction between both cosurfactants and CTAB micelles.
A. B. Cortés, M. Valiente, E. Rodenas
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The behavior of glycerol and glyceraldehyde as cosurfactants in the ternary CTAB/glycerol/water and CTAB/glyceraldehyde/water systems is studied. The phase diagrams only show the L and the hexagonal H1 phases. The L phase conductivity results at low surfactant concentration agree with no interaction between both cosurfactants and CTAB micelles.
A. B. Cortés, M. Valiente, E. Rodenas
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