Sodium Dodecyl Presence
Growth of Enterobacter cloacae in the presence of 25% sodium dodecyl …
The growth of Enterobacter cloacae in 25% sodium dodecyl sulfate is described. The bacteria appeared to tolerate sodium dodecyl sulfate rather than metabolize it. The process was energy dependent, and cell lysis occurred during stationary phase. Extreme detergent resistance may be characteristic of …
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Growth of Enterobacter cloacae in the presence of 25% sodium dodecyl …
Enterobacter cloacae, like most enteric bacteria, can grow in the presence of 10% sodium dodecyl sulfate (SDS), and the micelle-forming nature of SDS is used to conclude that the detector was responding to turgor pressure-water activity …
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Micellization behaviour of Sodium Dodecyl Sulphate in presence …
The micellization of sodium dodecyl sulphate (SDS) in presence and absence of KCl, KBr, NaBr and NaCl in water and methanol-water mixtures containing 8, 16, 25 and 34 wt% of methanol at 298.15 to 323.15 K have been assessed from conductometric measurements.
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Adsorption of sodium dodecyl sulfate onto clathrate …
This work presents the effect of NaCl on the adsorption of sodium dodecyl sulfate (SDS) at the cyclopentane (CP) hydrate-water interface. ... is not as strong compared to the 10 and 25 mM NaCl cases and the presence of Na(+) ions may reduce the repulsion between DS(-) ions, which results in a higher adsorption of DS(-) ions and enhanced ...
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Native SDS-PAGE: High Resolution Electrophoretic …
Sodium dodecyl-sulfate polyacrylamide gel electrophoresis (SDS-PAGE) is commonly used to obtain high resolution separation of complex mixtures of proteins. ... Due to its high metal …
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Effect of temperature and viscosity of sieving medium on
Pullulan was used as a sieving medium in high-performance capillary gel electrophoresis to study the effect of temperature and viscosity on electrophoretic behavior of sodium dodecyl sulfate (SDS)-proteins with molecular masses in the range of 14,400-116,000 Da. The migration time decreased with inc …
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Capillary electrophoresis in presence of sodium dodecyl …
For analysis of proteins in presence of sodium dodecyl sulfate (SDS), basic knowledge about their behavior in presence and absence of sieving medium is required. Capillary electrophoresis (CE) is particularly suitable for this purpose. Although various polymers are used as sieves in CE analysis in presence of SDS, attention must be paid to ...
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Sensitivity and variability of the Bradford protein assay in the
The effects of Triton X-100, sodium dodecyl sulfate (SDS), and urea on the response of Coomassie blue G to 16 different proteins and peptides of Mr 1140 to 146,000 …
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Trichloroethylene degradation performance in aqueous solution
The performance of trichloroethylene (TCE) degradation by sodium percarbonate (SPC) activated with Fe(II) in the presence of 3.0 g/L sodium dodecyl sulfate (SDS) as well as the role of SDS in the SPC/Fe(II) system was investigated since SDS is a common surfactant used in groundwater remediation for improving TCE dissolution to the aqueous phase.
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Physicochemical study of ovalbumin in the presence of sodium dodecyl …
The interactions of sodium dodecyl sulphate with ovalbumin in aqueous solution at room temperature are described for a wide concentration range of both substances. A phase diagram covering a wide range of concentrations shows a total of five different morphologies. Dynamic light scattering of the samples from each morphology offered better understanding of …
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Sodium dodecyl sulfate micellar aggregation numbers in the presence …
Micellar aggregation numbers, n, have been obtained for sodium dodecyl sulfate (SDS) micelles in cyclodextrin (CD) solutions through static fluorescence quenching. For α-cyclodextrin, β-cyclodextrin (hydroxylpropyl)-β-cyclodextrin, maltosyl-β-cyclodextrin, and γ-cyclodextrin solutions, n was found to be essentially unchanged from the 59 ± 5 value found in …
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Mechanism of mixed liposome solubilization in the presence of sodium
From these findings we may conclude that the solubilization of phosphatidic acid liposome is very fast in presence of sodium dodecyl sulfate, while solubilization of zwitterionic phosphatidylcholine liposome is very slow under similar conditions. In the initial interaction stages a direct relationship was established between the growth of ...
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Sodium Dodecyl sulfate Micellar Aggregation Numbers in the Presence …
Are Aqueous Sodium Dodecyl Sulfate Micelles in the Presence of Added Salt Polydisperse? A Time-Resolved Fluorescence Quenching Study with Global Analysis. ... Sodium dodecyl sulfate removal during electrospray ionization using cyclodextrins as simple sample solution additive for improved mass spectrometric detection of peptides.
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1.15: SDS-PAGE
Sodium dodecyl sulfate (SDS) ... In the presence of SDS, the intrinsic charge of a protein is masked. During SDS-PAGE, all proteins migrate towards the anode (the positively charged electrode). SDS-treated proteins have very similar charge-to-mass ratios, and similar shapes. During PAGE, the rate of migration of SDS-treated proteins is ...
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1.15: SDS-PAGE
Sodium dodecyl sulfate (SDS) ... In the presence of SDS, the intrinsic charge of a protein is masked. During SDS-PAGE, all proteins …
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Performance of volatile fatty acids production from food …
And sodium dodecyl sulfate (SDS) is commonly used anionic surfactants, which accounts for 25–30% of the total synthetic surfactant in the ... This study filled the research gap of microbial community variations with the presence of surfactants, and could provide useful information for the anaerobic fermentation of surfactant-containing food ...
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Interaction of calcium and calmodulin in the presence of sodium dodecyl …
A calcium-dependent change in the electrophoretic mobility of calmodulin in the presence of sodium dodecyl sulfate (SDS) has been observed. Freshly prepared calmodulin or lyophilized calmodulin, stored at --80 degrees C for 1--7 months, migrates as a single band with an apparent molecular weight of 21 000 when the sample, gel and running buffer ...
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Presence of sodium dodecyl sulfate-stable amyloid beta …
Presence of sodium dodecyl sulfate-stable amyloid beta-protein dimers in the hippocampus CA1 not exhibiting neurofibrillary tangle formation Am J Pathol. 1999 Jul ... (EIA) quantitation of sodium dodecyl sulfate (SDS)-dissociable Abeta42; neurofibrillary tangles are already present despite undetectable levels of SDS-dissociable Abeta42. However ...
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Multiple cellular responses guarantee yeast survival in presence …
1. Introduction. Sodium dodecyl sulfate (SDS) is a representative anionic surfactant that is widely used in industry, manufacturing, and cleaning products because of its superior surface activity, micellar properties, and rapid and complete biodegradation in the environment [1].Environmental issues caused by the extensive use of …
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Study of surface properties of aqueous solutions of sodium …
Sodium dodecyl sulfate of the chemical formula C 12 H 25 NaO 4 S and the molecular mass 288.4 g/mol was purchased from Fluka and used as received. The chemical …
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Size of sodium dodecyl sulfate micelles in the presence of …
Are Aqueous Sodium Dodecyl Sulfate Micelles in the Presence of Added Salt Polydisperse? A Time-Resolved Fluorescence Quenching Study with Global Analysis. Langmuir 1997, 13 (7) ... interfacial properties of dodecyltrimethylammonium bromide and tetraethyleneglycol mono-n-dodecyl ether in absence and presence of sodium propionate.
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Kinetic study of ethylene hydrate formation in presence of …
The effects of synthesized graphene oxide suspension at concentrations of 50, 150 and 250 ppm and aqueous solution of sodium dodecyl sulfate (SDS) at concentrations of 50, 100, 300 and 500 ppm on kinetics of ethylene hydrate formation were studied.The induction time was measured at 4 °C and initial pressures of 14 and 16 bar, and the effective storage …
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Spectrophotometric study of the sodium dodecyl sulfate in …
The interaction of with sodium dodecyl sulfate (SDS) was studied spectrophotometrically in 0.1, 0.2, 0.3 and 0.4 vol fractions of methanol in an aqueous …
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The Interaction of Hemoglobin With Sodium Dodecyl Sulfate in Presence
Methods: In the present study, the interaction of purified Hb with sodium dodecyl sulfate (SDS, 0-5 mM) and ascorbic acid (AA, 0-5 mM) was evaluated by UV-Vis spectroscopy and multivariate curve ...
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Renaturation of enzymes after polyacrylamide gel …
the Presence of Sodium Dodecyl Sulfate* (Received for publication, August 24, 1979) Sanford A. Lacks and Sylvia S. Springhorn From the Biology Department, Brookhaven National Laboratory, Upton, Nem Yorh 11973 A number of enzymes, including amylases, dehydro- genases, and proteases, were shown to be renaturable
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Ionic Surfactant Aggregates in Saline Solutions: Sodium Dodecyl Sulfate
This agrees with molecular dynamics simulations on sodium dodecyl sulfate (SDS) molecules in the presence of NaCl and CaCl 2 performed by Sammalkorpi et al. [73] who confirmed the presence of salt ...
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Micellization of sodium dodecyl sulphate in presence and …
The micellization of sodium dodecyl sulphate (SDS) in presence and absence of KCl, KBr, NaBr and NaCl in water and methanol-water mixtures containing 8, 16, 25 and 34 wt% of methanol at 298.15 to 323.15 K have been assessed from conductometric
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Comparison of the influence of cationic polysaccharides …
Sodium dodecyl sulfate (SDS) is an anionic surfactant with the chemical formula C 12 H 25 SO 4 Na. ... The presence of montmoryllonite, muscovite, cristobalite and quartz was proved using the ICDD PDF4 + 2021 diffraction database. Download : …
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Electrical resistance of electrochemical synthesized …
Abstract The electrical resistance of PPy films synthesized in the presence of sodium dodecyl sulfate (SDS) surfactant and sodium sulfate (Na2SO4) as oxidant was analyzed in the temperature range of 24 to 80 °C. PPy was electrochemical synthesized for 20 and 60 min by using stainless steel electrodes immersed in a glass tubular reactor. A solution …
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Qualitative and quantitative methods detection of SDS …
Sodium dodecyl sulfate (SDS) is the most widely used anionic surfactant. Its frequent use causes environmental pollution and negative effects on living organisms (even at low concentrations ≈ 20 ...
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