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Inhomogeneously Broadened Spin-Label Spectra
Inhomogeneous broadening of the ESR lines of nitroxide spin labels due to hyperfine structure is a pest that has complicated the work of spin labelers since shortly after the beginning of theExpand
Growth of Sodium Dodecyl Sulfate Micelles with Detergent Concentration
Sodium alkyl sulfate micelles are predicted to grow as a power law of the total counterion salt concentration, Yaq, in the aqueous phase as follows: NA = K~(Y~~)Y, where NA is the micelle aggregationExpand
Estimate of the Ionization Degree of Ionic Micelles Based on Krafft Temperature Measurements
The Krafft temperature, TK, of two classical ionic surfactants, sodium dodecyl sulfate (SDS) and cetyltrimethylammonium bromide (CTAB), were measured by conductivity, in the absence and in theExpand
Effect of the Nature of the Counterion on the Properties of Anionic Surfactants. 1. Cmc, Ionization Degree at the Cmc and Aggregation Number of Micelles of Sodium, Cesium, Tetramethylammonium,
The surfactants cesium, tetramethylammonium, tetraethylammonium, tetrapropylammonium and tetrabutylammonium dodecyl sulfates (CsDS, TMADS, TEADS, TPADS, and TBADS) have been synthesized byExpand
Characterization of Micelles of Quaternary Ammonium Surfactants as Reaction Media I: Dodeclytrimethylammonium Bromide and Chloride
Time-resolved fluorescence quenching (TRFQ) and electron paramagnetic resonance (EPR) were employed to characterize micelles of dodecyltrimethylammonium bromide and chloride (DTAB and DTAC) asExpand
DMPG gel-fluid thermal transition monitored by a phospholipid spin labeled at the acyl chain end.
Low ionic strength aqueous dispersion of dimyristoyl phosphatidylglycerol (DMPG) presents a rather peculiar gel-fluid thermal transition behavior. The lipid main phase transition occurs over a largeExpand
A Definition of the Degree of Ionization of a Micelle Based on Its Aggregation Number
The “degree of ionization” of a micelle or the “apparent degree of counterion dissociation”, α, is defined by asserting that the aggregation number, N, is dependent only on the concentration, Caq, ofExpand
Statistical distributions and collision rates of additive molecules in compartmentalized liquids studied by EPR spectroscopy. 1. Sodium dodecyl sulfate micelles, 5-doxylstearic acid ester, and
A technique to study the statistical distribution and collision rates of additive molecules in compartmentalized liquids introduced previously (J. Phys. Chem. 1993,97,3418) is applied to Cu2+ in SDSExpand
A reinterpretation of the hydration of micelles of dodecyltrimethylammonium bromide and chloride in aqueous solution.
The hydration of dodecyltrimethylammonium (DTAB) micelles is reinterpreted in light of the results of the companion paper (immediately preceding this paper) that showed that the location of the spinExpand
On cell membrane lipid fluidity and plant lectin agglutinability. A spin label study of mouse ascites tumor cells.
The fluidity of the plasma membrane of Sarcoma 180 mouse ascites tumor cells has been studied in viable cells using fatty acid spin labels. The order parameter was found to vary from 0.61,Expand
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