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Showing 1 to 12 of 303 entries
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Size dependence of negative trion Auger recombination in photodoped CdSe nanocrystals.

Nano letters

Cohn AW, Rinehart JD, Schimpf AM, Weaver AL, Gamelin DR.
PMID: 24328385
Nano Lett. 2014 Jan 08;14(1):353-8. doi: 10.1021/nl4041675. Epub 2013 Dec 17.

We report a systematic investigation of the size dependence of negative trion (T(-)) Auger recombination rates in free-standing colloidal CdSe nanocrystals. Colloidal n-type CdSe nanocrystals of various radii have been prepared photochemically, and their trion decay dynamics have been...

MoS2 actuators: reversible mechanical responses of MoS2-polymer nanocomposites to photons.

Nanotechnology

Fan X, Khosravi F, Rahneshin V, Shanmugam M, Loeian M, Jasinski J, Cohn RW, Terentjev E, Panchapakesan B.
PMID: 26056744
Nanotechnology. 2015 Jul 03;26(26):261001. doi: 10.1088/0957-4484/26/26/261001. Epub 2015 Jun 09.

New molybdenum disulfide (MoS2)-based polymer composites and their reversible mechanical responses to light are presented, suggesting MoS2 as an excellent candidate for energy conversion. Homogeneous mixtures of MoS2/polydimethylsiloxane (PDMS) nanocomposites (0.1-5 wt.%) were prepared and their near infrared (NIR)...

Single-molecule studies of acidity distributions in mesoporous aluminosilicate thin films.

Langmuir : the ACS journal of surfaces and colloids

Sun X, Xie J, Xu J, Higgins DA, Hohn KL.
PMID: 25941900
Langmuir. 2015 May 26;31(20):5667-75. doi: 10.1021/acs.langmuir.5b01628. Epub 2015 May 12.

Solid acid catalysts are important for many petrochemical processes. The ensemble methods most often employed to characterize acid site properties in catalyst materials provide limited insights into their heterogeneity. Single-molecule (SM) fluorescence spectroscopic methods provide a valuable route to...

Total internal reflection fluorescence and electrocapillary investigations of adsorption at a H2O-dichloroethane electrochemical interface. 1. Low-frequency behavior.

Analytical chemistry

Jones MA, Bohn PW.
PMID: 10959963
Anal Chem. 2000 Aug 15;72(16):3776-83. doi: 10.1021/ac000262j.

Total internal reflection fluorescence and electrocapillary measurements are employed to provide complementary potential-dependent information about the mechanical and photophysical properties of the interface between two immiscible electrolyte solutions, 1,2-dichloroethane-H2O. Adsorption of the zwitterionic amphiphile, di-N-butylaminonaphthylethenylpyridiniumpropylsulfonate (I) produces an interface...

Determination of the magnetic symmetry of hexagonal manganites by second harmonic generation.

Physical review letters

Fiebig M, Frohlich D, Kohn K, Leute S, Lottermoser T, Pavlov VV, Pisarev RV.
PMID: 10991009
Phys Rev Lett. 2000 Jun 12;84(24):5620-3. doi: 10.1103/PhysRevLett.84.5620.

Optical second harmonic spectroscopy is introduced as a powerful supplement for the determination of complex magnetic structures. Experimental efforts are simplified and new degrees of freedom are opened. Thereby, some principal or technical restrictions of neutron or magnetic x-ray...

Diagnostic and hematologic features of probable essential thrombocythemia in two dogs.

Veterinary clinical pathology

Dunn JK, Heath MF, Jefferies AR, Blackwood L, McKay JS, Nicholls PK.
PMID: 12075509
Vet Clin Pathol. 1999;28(4):131-138. doi: 10.1111/j.1939-165x.1999.tb01063.x.

The clinical and hematologic features of two cases of probable essential thrombocythemia in the dog are described. Both dogs presented with hepatosplenomegaly, severe nonregenerative anemia, neutrophilia and Thrombocytosis. Mean platelet volume and percentages of large platelets were markedly increased...

Dentists in a bubble.

Pediatric dentistry

Kohn DW.
PMID: 10348694
Pediatr Dent. 1999 Mar-Apr;21(2):79.

No abstract available.

Platinum-catalyzed diboration using a commercially available catalyst: diboration of aldimines to alpha-aminoboronate esters.

Organic letters

Mann G, John KD, Baker RT.
PMID: 10891241
Org Lett. 2000 Jul 13;2(14):2105-8. doi: 10.1021/ol006008v.

Commercially available Pt(cod)Cl(2) catalyzes the diboration of alkenes, alkynes, and aldimines using bis(catecholato)diboron (cod = 1,5-cyclooctadiene). Catalyzed aldimine diboration provides the first direct route to alpha-aminoboronate esters. The diboration product from N-benzylidene-2,6-dimethylaniline is structurally characterized.

Galanin: Involvement in Behavior and Neuropathology, and Therapeutic Potential.

Drug news & perspectives

McLaughlin PJ, Robinson JK.
PMID: 12677250
Drug News Perspect. 2002 Dec;15(10):647-653. doi: 10.1358/dnp.2002.15.10.840020.

Since its discovery in 1983, the neuropeptide galanin has been found to be involved in a wide range of functions, including pain sensation, sexual activity, feeding, and learning and memory. Furthermore, galanin has recently been proposed to have a...

Isolation and Characterization of the Osmium(V)-Imido Complex [Os(V)(Tp)(Cl)(2)(NH)] We are grateful to the National Science Foundation under Grant number CHE-9503738, the Los Alamos National Laboratory (DOE) under Grant Number 10730-001-00-2C, and the Laboratory Directed Research and Development Program for support of this research. M. H. V. Huynh gratefully acknowledges postdoctoral fellowship support from the Directorapos;s Office of Los Alamos National Laboratory. Los Alamos National Laborat.

Angewandte Chemie (International ed. in English)

Huynh MH, White PS, John KD, Meyer TJ.
PMID: 12404489
Angew Chem Int Ed Engl. 2001 Nov 05;40(21):4049-4051.

No abstract available.

Kohn-Sham theory for ground-state ensembles.

Physical review letters

Ullrich CA, Kohn W.
PMID: 11531563
Phys Rev Lett. 2001 Aug 27;87(9):093001. doi: 10.1103/PhysRevLett.87.093001. Epub 2001 Aug 14.

An electron density distribution n(r) which can be represented by that of a single-determinant ground state of noninteracting electrons in an external potential v(r) is called pure-state v-representable (P-VR). Most physical electronic systems are P-VR. Systems which require a...

Electrochemical and spectroscopic characterization of the novel charge-transfer ground state in diimine complexes of ytterbocene.

Inorganic chemistry

Da Re RE, Kuehl CJ, Brown MG, Rocha RC, Bauer ED, John KD, Morris DE, Shreve AP, Sarrao JL.
PMID: 12950203
Inorg Chem. 2003 Sep 08;42(18):5551-9. doi: 10.1021/ic030069i.

The novel charge-transfer ground state found in alpha,alpha'-diimine adducts of ytterbocene (C(5)Me(5))(2)Yb(L) [L = 2,2'-bipyridine (bpy) and 1,10-phenanthroline (phen)] in which an electron is spontaneously transferred from the f(14) metal center into the lowest unoccupied (pi*) molecular orbital (LUMO)...

Showing 1 to 12 of 303 entries