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Showing 25 to 36 of 576 entries
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Unusual properties of foams at low pressures.

Journal of colloid and interface science

Fortes MA, Vaz MF.
PMID: 12957600
J Colloid Interface Sci. 2003 Oct 01;266(1):202-7. doi: 10.1016/s0021-9797(03)00478-8.

In addition to a high coarsening rate, foams at low pressures may show special properties. These include a bulk modulus going to zero, a Poisson's ratio approaching zero, and a zero binding energy, implying foam separation into individual bubbles...

Long-range surface polaritons in ultra-thin films of silicon.

Optics express

Giannini V, Zhang Y, Forcales M, Rivas JG.
PMID: 19030053
Opt Express. 2008 Nov 24;16(24):19674-85. doi: 10.1364/oe.16.019674.

We present an experimental and theoretical study of the optical excitation of long-range surface polaritons supported by thin layers of amorphous silicon (a-Si). The large imaginary part of the dielectric constant of a-Si at visible and ultraviolet (UV) frequencies...

West Point and the AAAS.

Science (New York, N.Y.)

Forman S.
PMID: 17815485
Science. 1946 Jul 19;104(2690):47-8. doi: 10.1126/science.104.2690.47.

No abstract available.

Analysis of the measured signals in apertureless near-field optical microscopy.

Ultramicroscopy

Formanek F, De Wilde Y, Aigouy L.
PMID: 15774274
Ultramicroscopy. 2005 May;103(2):133-9. doi: 10.1016/j.ultramic.2004.11.004. Epub 2005 Jan 07.

We present an analytical model able to explain the optical signal recorded during our experimental approach curves in the infrared at a wavelength lambda=10.6 microm, with a home-made apertureless near-field scanning optical microscope ANSOM. This model uses classical electrodynamics...

Microporous magnesium and manganese formates for acetylene storage and separation.

Chemistry, an Asian journal

Samsonenko DG, Kim H, Sun Y, Kim GH, Lee HS, Kim K.
PMID: 17441185
Chem Asian J. 2007 Apr 02;2(4):484-8. doi: 10.1002/asia.200600390.

Acetylene sorption of microporous metal formates M(HCOO)2 (M = Mg and Mn) was investigated. Measurements of acetylene sorption at 196, 275, and 298 K showed a Type I isotherm with quick saturation at low pressures, and 50-75 cm3 g(-1)...

Neutron powder diffraction studies of sulfuric acid hydrates. I. The structure of sulfuric acid hemitriskaidekahydrate D2SO4.6(1/2)D2O.

The Journal of chemical physics

Fortes AD, Wood IG, Knight KS.
PMID: 17042612
J Chem Phys. 2006 Oct 14;125(14):144510. doi: 10.1063/1.2356860.

We report the first neutron diffraction data from D2SO4.6(1/2)D2O. The crystal is monoclinic, space group Cm, with four formula units per unit cell. At 4.2 K the unit cell dimensions are a = 6.253 26(4) A, b = 26.813...

Tailored growth of In(OH)(3) shell on functionalized polystyrene beads.

Langmuir : the ACS journal of surfaces and colloids

Agrawal M, Pich A, Gupta S, Zafeiropoulos NE, Formanek P, Jehnichen D, Stamm M.
PMID: 19785399
Langmuir. 2010 Jan 05;26(1):526-32. doi: 10.1021/la9021933.

Fabrication of organic-inorganic composite particles with tailored size, shape, and morphology has been attracting great attention from researchers because of their fascinating properties and applications in a variety of potential fields. In this study, we report on the fabrication...

New series of indium formates: hydrothermal synthesis, structure and coordination modes.

Inorganic chemistry

Su J, Wang Y, Yang S, Li G, Liao F, Lin J.
PMID: 17725346
Inorg Chem. 2007 Oct 01;46(20):8403-9. doi: 10.1021/ic7007599. Epub 2007 Aug 29.

Three new indium(III) compounds, In(HCOO)3 (1), In2(HCOO)5(OH) (2), and In(HCOO)2(OH) (3), were synthesized under hydrothermal conditions and characterized by single crystal and powder X-ray diffraction experiments, as well as by IR spectroscopy, elemental analysis, and coupled TG-DSC-MS measurement. All...

Capturing complexity: the case for a new classification system for mental disorders in primary care.

European psychiatry : the journal of the Association of European Psychiatrists

Gask L, Klinkman M, Fortes S, Dowrick C.
PMID: 18774269
Eur Psychiatry. 2008 Oct;23(7):469-76. doi: 10.1016/j.eurpsy.2008.06.006. Epub 2008 Sep 05.

Primary care differs considerably from specialist mental health settings: problems are presented in undifferentiated forms, with consequent difficulties in distinguishing between distress and disorder, and a complex relationship between psychological, mental and social problems and their temporal variations. Existing...

Organic acids for performance enhancement in pig diets.

Nutrition research reviews

Partanen KH, Mroz Z.
PMID: 19087448
Nutr Res Rev. 1999 Jun;12(1):117-45. doi: 10.1079/095442299108728884.

Organic acids and their salts appear to be potential alternatives to prophylactic in-feed antibiotics and growth promoters in order to improve the performance of weaned piglets, fattening pigs and reproductive sows, although their growth-promoting effects are generally less than...

Selective synthesis of allenes and alkynes through ligand-controlled, palladium-catalyzed decarboxylative hydrogenolysis of propargylic formates.

Organic letters

Ohmiya H, Yang M, Yamauchi Y, Ohtsuka Y, Sawamura M.
PMID: 20302325
Org Lett. 2010 Apr 16;12(8):1796-9. doi: 10.1021/ol100405k.

Ligand-controlled regioselective palladium-catalyzed decarboxylative hydrogenolysis of propargylic formates is described. A wide range of allenes and alkynes were obtained by using either 1,2-diphenylphosphinoethane (DPPE) or 1,6-bisdiphenylphosphinohexane (DPPH) as a catalyst ligand.

A rapid and robust method for simultaneously measuring changes in the phytohormones ABA, JA and SA in plants following biotic and abiotic stress.

Plant methods

Forcat S, Bennett MH, Mansfield JW, Grant MR.
PMID: 18590529
Plant Methods. 2008 Jun 30;4:16. doi: 10.1186/1746-4811-4-16.

We describe an efficient method for the rapid quantitative determination of the abundance of three acidic plant hormones from a single crude extract directly by LC/MS/MS. The method exploits the sensitivity of MS and uses multiple reaction monitoring and...

Showing 25 to 36 of 576 entries