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Showing 949 to 960 of 3453 entries
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Water network-mediated, electron-induced proton transfer in [C5H5N ⋅ (H2O)n](-) clusters.

The Journal of chemical physics

DeBlase AF, Wolke CT, Weddle GH, Archer KA, Jordan KD, Kelly JT, Tschumper GS, Hammer NI, Johnson MA.
PMID: 26472377
J Chem Phys. 2015 Oct 14;143(14):144305. doi: 10.1063/1.4931928.

The role of proton-assisted charge accommodation in electron capture by a heterocyclic electron scavenger is investigated through theoretical analysis of the vibrational spectra of cold, gas phase [Py ⋅ (H2O)n=3-5](-) clusters. These radical anions are formed when an excess...

Solvent-like ligand-coated ultrasmall cadmium selenide nanocrystals: strong electronic coupling in a self-organized assembly.

Nanoscale

Lawrence KN, Johnson MA, Dolai S, Kumbhar A, Sardar R.
PMID: 26098759
Nanoscale. 2015 Jul 21;7(27):11667-77. doi: 10.1039/c5nr02038g. Epub 2015 Jun 22.

Strong inter-nanocrystal electronic coupling is a prerequisite for delocalization of exciton wave functions and high conductivity. We report 170 meV electronic coupling energy of short chain poly(ethylene glycol) thiolate-coated ultrasmall (

Diffuse Vibrational Signature of a Single Proton Embedded in the Oxalate Scaffold, HO2CCO2(-).

The journal of physical chemistry. A

Wolke CT, DeBlase AF, Leavitt CM, McCoy AB, Johnson MA.
PMID: 26608571
J Phys Chem A. 2015 Dec 31;119(52):13018-24. doi: 10.1021/acs.jpca.5b10649. Epub 2015 Dec 21.

To understand how the D2d oxalate scaffold (C2O4)(2-) distorts upon capture of a proton, we report the vibrational spectra of the cryogenically cooled HO2CCO2(-) anion and its deuterated isotopologue DO2CCO2(-). The transitions associated with the skeletal vibrations and OH...

Multiferroics. Magnetoelectric domain control in multiferroic TbMnO₃.

Science (New York, N.Y.)

Matsubara M, Manz S, Mochizuki M, Kubacka T, Iyama A, Aliouane N, Kimura T, Johnson SL, Meier D, Fiebig M.
PMID: 26045431
Science. 2015 Jun 05;348(6239):1112-5. doi: 10.1126/science.1260561.

The manipulation of domains by external fields in ferroic materials is of major interest for applications. In multiferroics with strongly coupled magnetic and electric order, however, the magnetoelectric coupling on the level of the domains is largely unexplored. We...

Tailoring precursors for deposition: synthesis, structure, and thermal studies of cyclopentadienylcopper(i) isocyanide complexes.

Inorganic chemistry

Willcocks AM, Pugh T, Cosham SD, Hamilton J, Sung SL, Heil T, Chalker PR, Williams PA, Kociok-Köhn G, Johnson AL.
PMID: 25938738
Inorg Chem. 2015 May 18;54(10):4869-81. doi: 10.1021/acs.inorgchem.5b00448. Epub 2015 May 04.

We report here the synthesis and characterization of a family of copper(I) metal precursors based around cyclopentadienyl and isocyanide ligands. The molecular structures of several cyclopentadienylcopper(I) isocyanide complexes have been unambiguously determined by single-crystal X-ray diffraction analysis. Thermogravimetric analysis...

Attenuated Organomagnesium Activation of White Phosphorus.

Angewandte Chemie (International ed. in English)

Arrowsmith M, Hill MS, Johnson AL, Kociok-Köhn G, Mahon MF.
PMID: 26014162
Angew Chem Int Ed Engl. 2015 Jun 26;54(27):7882-5. doi: 10.1002/anie.201503065. Epub 2015 May 27.

Sequential reactions between a 2,6-diisopropylphenyl-substituted β-diketiminato magnesium n-butyl derivative and P4 allow the highly discriminating synthesis of unusual [nBu2P4](2-) and [nBu2P8](2-) cluster dianions.

Rapamycin up-regulation of autophagy reduces infarct size and improves outcomes in both permanent MCAL, and embolic MCAO, murine models of stroke.

Experimental & translational stroke medicine

Buckley KM, Hess DL, Sazonova IY, Periyasamy-Thandavan S, Barrett JR, Kirks R, Grace H, Kondrikova G, Johnson MH, Hess DC, Schoenlein PV, Hoda MN, Hill WD.
PMID: 24991402
Exp Transl Stroke Med. 2014 Jun 21;6:8. doi: 10.1186/2040-7378-6-8. eCollection 2014.

BACKGROUND AND PURPOSE: The role of autophagy in response to ischemic stroke has been confusing with reports that both enhancement and inhibition of autophagy decrease infarct size and improve post-stroke outcomes. We sought to clarify this by comparing pharmacologic...

HIGH-PRECISION BIOLOGICAL EVENT EXTRACTION: EFFECTS OF SYSTEM AND OF DATA.

Computational intelligence

Cohen KB, Verspoor K, Johnson HL, Roeder C, Ogren PV, Baumgartner WA, White E, Tipney H, Hunter L.
PMID: 25937701
Comput Intell. 2011 Nov;27(4):681-701. doi: 10.1111/j.1467-8640.2011.00405.x.

We approached the problems of event detection, argument identification, and negation and speculation detection in the BioNLP'09 information extraction challenge through concept recognition and analysis. Our methodology involved using the OpenDMAP semantic parser with manually written rules. The original...

Diploidization and chromosomal pairing affinities in the tetraploid wheats and their putative amphiploid progenitor.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Dhaliwal HS, Johnson BL.
PMID: 24270332
Theor Appl Genet. 1982 Jun;61(2):117-23. doi: 10.1007/BF00273878.

The genomes of the diploid wheats Triticum boeoticum and T. urartu are closely related, giving 7II in the f1 hybrid (T(b)T(u)) and 8.4 (0-14) II + 2.5 (0-7) IV in the derived amphiploid (T(b)T(b)T(u)T(u)). The genomes of the tetraploid...

Workforce Projections 2010-2020: Annual Supply and Demand Forecasting Models for Physical Therapists Across the United States.

Physical therapy

Landry MD, Hack LM, Coulson E, Freburger J, Johnson MP, Katz R, Kerwin J, Smith MH, Wessman HC, Venskus DG, Sinnott PL, Goldstein M.
PMID: 26472298
Phys Ther. 2016 Jan;96(1):71-80. doi: 10.2522/ptj.20150010. Epub 2015 Oct 15.

BACKGROUND: Health human resources continue to emerge as a critical health policy issue across the United States.OBJECTIVE: The purpose of this study was to develop a strategy for modeling future workforce projections to serve as a basis for analyzing...

Automating Construction of Machine Learning Models With Clinical Big Data: Proposal Rationale and Methods.

JMIR research protocols

Luo G, Stone BL, Johnson MD, Tarczy-Hornoch P, Wilcox AB, Mooney SD, Sheng X, Haug PJ, Nkoy FL.
PMID: 28851678
JMIR Res Protoc. 2017 Aug 29;6(8):e175. doi: 10.2196/resprot.7757.

BACKGROUND: To improve health outcomes and cut health care costs, we often need to conduct prediction/classification using large clinical datasets (aka, clinical big data), for example, to identify high-risk patients for preventive interventions. Machine learning has been proposed as...

A Novel Quantitative Pain Assessment Instrument That Provides Means of Comparing Patient's Pain Magnitude With a Measurement of Their Pain Tolerance.

Journal of clinical medicine research

Johnson LL, Pittsley A, Becker R, Young AD.
PMID: 26346200
J Clin Med Res. 2015 Oct;7(10):781-90. doi: 10.14740/jocmr2277e. Epub 2015 Aug 23.

BACKGROUND: Traditional pain assessment instruments are subjective in nature. They are limited to subjective reporting of the presence and magnitude of pain. There is no means of validating their response or assessing their pain tolerance. The objective of this...

Showing 949 to 960 of 3453 entries