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Showing 25 to 36 of 671 entries
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A Simple and Rapid TAR-Dependent in vitro Transcription Assay Using T Cell Nuclear Extracts and Synthetic tat1-86 Protein.

Journal of biomedical science

Blair ED, Roberts CM, Clark-Lewis I.
PMID: 11725049
J Biomed Sci. 1995 Apr;2(2):136-145. doi: 10.1007/BF02253064.

A 'G-less' cassette was cloned downstream of the human immunodeficiency virus type 1 (HIV-1) long terminal repeat (LTR) to facilitate rapid identification of authentic LTR-directed transcription in T cell nuclear extracts. Despite a high constitutive level of transcription, addition...

Ion and liquid dependent dielectric failure in electrowetting systems.

Langmuir : the ACS journal of surfaces and colloids

Raj B, Dhindsa M, Smith NR, Laughlin R, Heikenfeld J.
PMID: 19678654
Langmuir. 2009 Oct 20;25(20):12387-92. doi: 10.1021/la9016933.

Electrowetting devices often utilize aqueous solutions with ionic surfactants and inorganic salts to modify the electrowetting response. It has been observed in low-voltage electrowetting devices (thin dielectric,

Simultaneous electroosmotic and permeation flows through a Nafion membrane 2. Methanol-water electrolyte solutions.

Journal of colloid and interface science

Barragán VM, Ruiz-Bauzá C, Villaluenga JP, Seoane B.
PMID: 15927624
J Colloid Interface Sci. 2005 Aug 15;288(2):540-7. doi: 10.1016/j.jcis.2005.03.019.

The volume flow of methanol-water potassium chloride solutions through a Nafion membrane originated by the simultaneous action of electric potential and pressure gradients has been measured at different percentages of methanol. Measurements were conducted when both gradients act in...

Regulation of the Phosphorylation of Chromatin-associated Proteins in Lemna and Hordeum.

Plant physiology

Chapman KS, Trewavas A, van Loon LC.
PMID: 16659069
Plant Physiol. 1975 Feb;55(2):293-6. doi: 10.1104/pp.55.2.293.

This paper represents attempts to observe alterations in the pattern of chromatin protein phosphorylation in Lemna and barley (Hordeum vulgare).As judged by in vitro labeling the phosphorylation profile is substantially altered during germination. This may not be the result...

Involvement of Cl in the Increase in Proline Induced by ABA and Stimulated by Potassium Chloride in Barley Leaf Segments.

Plant physiology

Pesci P.
PMID: 16666688
Plant Physiol. 1989 Apr;89(4):1226-30. doi: 10.1104/pp.89.4.1226.

Stimulation by sodium or potassium chloride of the ABA-induced increase in proline was synergistically enhanced by CaCl(2) or MgCl(2) as well as by 1,3-bis[tris(hydroxymethyl)methylamino] propane chloride (BTP-Cl), N-methyl-d-glucamine chloride (NMG-Cl), or 2-amino-2-hydroxymethyl-1,3-propandiol chloride (TRIS-Cl). This enhancing effect did not...

Studies of the physiological importance of the mineral elements in plants: The influence of potassium chloride on the rate of diastatic hydrolysis of starch.

The Biochemical journal

James WO, Cattle M.
PMID: 16745301
Biochem J. 1933;27(6):1805-9. doi: 10.1042/bj0271805.

No abstract available.

Aggregate morphology and aggregation rate constants for silica dispersions in the presence of salt and polyelectrolyte.

Journal of colloid and interface science

Dunleavey-Routh R, Vincent B.
PMID: 17331524
J Colloid Interface Sci. 2007 May 01;309(1):119-25. doi: 10.1016/j.jcis.2007.01.078. Epub 2007 Feb 02.

It is shown that the addition, over suitable concentration ranges, of mixtures of (nonadsorbing) sodium poly(styrene sulfonate) and potassium chloride, to dispersions of silica particles in water, can lead to very large changes in the sediment height of the...

Calculation of stoichiometric dissociation constants of monoprotic carboxylic acids in dilute aqueous sodium or potassium chloride solutions and p[m(H(+))] values for acetate and formate buffers at 25 degrees C.

Talanta

Partanen JI.
PMID: 18968046
Talanta. 2000 Aug 16;52(5):863-71. doi: 10.1016/s0039-9140(00)00434-3.

Equations are given for calculation of the stoichiometric (molality scale) dissociation constants, K(m), of weak acids in dilute aqueous electrolyte solutions at 298.15 K from the thermodynamic dissociation constant, K(a), of the acid and the ionic strength, I(m), of...

On the relation between the physical, chemical and electrical properties of the nerves: Part IV. Potassium, chlorine and potassium chloride.

The Journal of physiology

Alcock NH, Lynch GR.
PMID: 16993055
J Physiol. 1911 Mar 28;42(2):107-12. doi: 10.1113/jphysiol.1911.sp001426.

No abstract available.

A study of the titrimetric potassium silicofluoride method for determination of silica in aluminosilicate materials.

Talanta

Sinha BC, Saha MR, Roy SK.
PMID: 18962523
Talanta. 1979 Sep;26(9):833-9. doi: 10.1016/0039-9140(79)80262-3.

A critical study of the titrimetric potassium silicofluoride method for determination of silica reveals that quantitative precipitation of the sificofluoride is possible in 3.5-7.5N acid containing 1% sodium fluoride and >/ 12% potassium chloride. An aqueous wash solution (pH...

Amperometric complex-formation titrations with a dropping indium amalgam electrode in halide medium.

Talanta

Dieker JW, van der Linden WE, den Boef G.
PMID: 18962556
Talanta. 1979 Oct;26(10):973-5. doi: 10.1016/0039-9140(79)80139-3.

The applicability of a dropping indium amalgam electrode for the determination of metal ions in the presence of large concentrations of halides by means of amperometric complex-formation titrations using normal pulse polarography has been investigated. Titrations appear to be...

Determination of trace metals by anodic-stripping voltammetry with a new kind of mercury electrode: The long-lasting sessile-drop electrode.

Talanta

Andruzzi R, Trazza A.
PMID: 18963016
Talanta. 1981 Nov;28(11):839-42. doi: 10.1016/0039-9140(81)80026-4.

A new kind of semi-stationary mercury drop electrode is described, which can be used for the determination of trace metals in natural waters by differential-pulse anodic-stripping voltammetry. Results are reported for the determination of zinc in potassium chloride and...

Showing 25 to 36 of 671 entries