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Showing 1 to 12 of 74 entries
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Interfacial solvation thermodynamics.

Journal of physics. Condensed matter : an Institute of Physics journal

Ben-Amotz D.
PMID: 27545849
J Phys Condens Matter. 2016 Oct 19;28(41):414013. doi: 10.1088/0953-8984/28/41/414013. Epub 2016 Aug 22.

Previous studies have reached conflicting conclusions regarding the interplay of cavity formation, polarizability, desolvation, and surface capillary waves in driving the interfacial adsorptions of ions and molecules at air-water interfaces. Here we revisit these questions by combining exact potential...

Generalized solvation heat capacities.

The journal of physical chemistry. B

Ben-Amotz D, Widom B.
PMID: 17020369
J Phys Chem B. 2006 Oct 12;110(40):19839-49. doi: 10.1021/jp061824r.

The partial molar heat capacity associated with a constant-pressure solvation process is extended to define a total of six generalized solvation heat capacities, each of which contain unique physical information. These arise from all the possible cross derivatives of...

Note on the energy density in the solvent induced by a solute.

Proceedings of the National Academy of Sciences of the United States of America

Widom B, Ben-Amotz D.
PMID: 17135352
Proc Natl Acad Sci U S A. 2006 Dec 12;103(50):18887-90. doi: 10.1073/pnas.0608996103. Epub 2006 Nov 29.

The question of how far the effect of the presence of a solute molecule propagates into the solvent is studied in a lattice model that had been used earlier to describe hydrophobic interactions. The local energy density in the...

Effect of temperature on glycerol retention in the halotolerant algae dunaliella and asteromonas.

Plant physiology

Wegmann K, Ben-Amotz A, Avron M.
PMID: 16661602
Plant Physiol. 1980 Dec;66(6):1196-7. doi: 10.1104/pp.66.6.1196.

Algae of the genera Dunaliella and Asteromonas can maintain extremely high concentration gradients (>10(4)) of glycerol between the intracellular space and the medium. This unique ability is highly temperature-dependent. Treating the algae for several minutes at temperatures exceeding 60...

Stereoisomers of beta-Carotene and Phytoene in the Alga Dunaliella bardawil.

Plant physiology

Ben-Amotz A, Lers A, Avron M.
PMID: 16666068
Plant Physiol. 1988 Apr;86(4):1286-91. doi: 10.1104/pp.86.4.1286.

Dunaliella bardawil, a halotolerant green alga, was previously shown to accumulate high concentrations of beta-carotene when grown outdoors under defined conditions. The beta-carotene of algae cultivated under high light intensity in media containing a high salt concentration is composed...

Partial Characterization of K and Ca Uptake Systems in the Halotolerant Alga Dunaliella salina.

Plant physiology

Pick U, Ben-Amotz A, Karni L, Seebergts CJ, Avron M.
PMID: 16664918
Plant Physiol. 1986 Jul;81(3):875-81. doi: 10.1104/pp.81.3.875.

The uptake of K(+) and Ca(2+) in Dunaliella salina is mediated by two distinct carriers: a K(+) carrier with a high selectivity against Na(+), Li(+), and choline(+) but not towards Rb(+), K(+), Cs(+), or NH(4) (+), and a Ca(2+)...

Methane Hydration-Shell Structure and Fragility.

Angewandte Chemie (International ed. in English)

Wu X, Lu W, Streacker LM, Ashbaugh HS, Ben-Amotz D.
PMID: 30368997
Angew Chem Int Ed Engl. 2018 Nov 12;57(46):15133-15137. doi: 10.1002/anie.201809372. Epub 2018 Oct 18.

The influence of oily molecules on the structure of liquid water is a question of importance to biology and geology and many other fields. Previous experimental, theoretical, and simulation studies of methane in liquid water have reached widely conflicting...

A Review on the Orthoplastic Approach to Lower Limb Reconstruction.

Indian journal of plastic surgery : official publication of the Association of Plastic Surgeons of India

Mendenhall SD, Ben-Amotz O, Gandhi RA, Levin LS.
PMID: 31456609
Indian J Plast Surg. 2019 Jan;52(1):17-25. doi: 10.1055/s-0039-1688095. Epub 2019 May 02.

Just as in the craft of carpentry, a stable foundation and framework are absolutely essential to the final function of a building, but no more important than the drywall, trim, and paint that make the building functional, durable, and...

Reconstruction of scaphoid non-union and total scaphoid avascular necrosis in a pediatric patient: a case report.

Hand (New York, N.Y.)

Ben-Amotz O, Ho C, Sammer DM.
PMID: 26330781
Hand (N Y). 2015 Sep;10(3):477-81. doi: 10.1007/s11552-014-9711-1.

BACKGROUND: The medial femoral condyle vascularized bone graft has grown in popularity for treating recalcitrant fracture non-unions and has become particularly useful in treating scaphoid non-union with avascular necrosis of the proximal pole. The medial femoral condyle is an...

Hiding in the Crowd: Spectral Signatures of Overcoordinated Hydrogen-Bond Environments.

The journal of physical chemistry letters

Morawietz T, Urbina AS, Wise PK, Wu X, Lu W, Ben-Amotz D, Markland TE.
PMID: 31549833
J Phys Chem Lett. 2019 Oct 17;10(20):6067-6073. doi: 10.1021/acs.jpclett.9b01781. Epub 2019 Sep 27.

Molecules with an excess number of hydrogen-bonding partners play a crucial role in fundamental chemical processes, ranging from anomalous diffusion in supercooled water to transport of aqueous proton defects and ordering of water around hydrophobic solutes. Here we show...

Cavity Hydration and Competitive Binding in Methylated β-Cyclodextrin.

The journal of physical chemistry letters

de Oliveira DM, Ben-Amotz D.
PMID: 31067060
J Phys Chem Lett. 2019 Jun 06;10(11):2802-2805. doi: 10.1021/acs.jpclett.9b00939. Epub 2019 May 14.

Raman multivariate curve resolution (Raman-MCR) spectroscopy is used to measure the vibrational spectrum of water molecules in the cavity of an aqueous methylated β-cyclodextrin (Me-β-CD), as well as to quantify the competitive expulsion of those waters by benzene. The...

Hydrophobic but Water-Friendly: Favorable Water-Perfluoromethyl Interactions Promote Hydration Shell Defects.

Journal of the American Chemical Society

Robalo JR, Streacker LM, Mendes de Oliveira D, Imhof P, Ben-Amotz D, Verde AV.
PMID: 31503489
J Am Chem Soc. 2019 Oct 09;141(40):15856-15868. doi: 10.1021/jacs.9b06862. Epub 2019 Sep 30.

Although perfluorination is known to enhance hydrophobicity and change protein activity, its influence on hydration-shell structure and thermodynamics remains an open question. Here we address that question by combining experimental Raman multivariate curve resolution spectroscopy with theoretical classical simulations...

Showing 1 to 12 of 74 entries