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Showing 13 to 24 of 493 entries
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Deformation-based atrophy computation by surface propagation and its application to Alzheimer's disease.

Journal of medical imaging (Bellingham, Wash.)

Pai A, Sporring J, Darkner S, Dam EB, Lillholm M, Jørgensen D, Oh J, Chen G, Suhy J, Sørensen L, Nielsen M.
PMID: 27014717
J Med Imaging (Bellingham). 2016 Jan;3(1):014005. doi: 10.1117/1.JMI.3.1.014005. Epub 2016 Mar 16.

Obtaining regional volume changes from a deformation field is more precise when using simplex counting (SC) compared with Jacobian integration (JI) due to the numerics involved in the latter. Although SC has been proposed before, numerical properties underpinning the...

Factors Affecting Turnover Intention among Nurses in Ethiopia.

World health & population

Ayalew F, Kols A, Kim YM, Schuster A, Emerson MR, Roosmalen Jv, Stekelenburg J, Woldemariam D, Gibson H.
PMID: 26860765
World Health Popul. 2015;16(2):62-74. doi: 10.12927/whp.2016.24491.

BACKGROUND: Reducing turnover is essential to address health worker shortages in the public sector and improve the quality of services. This study examines factors associated with Ethiopian nurses' intention to leave their jobs.METHODS: Survey respondents (a sample of 425...

The Importance of Moisture in Hybrid Lead Halide Perovskite Thin Film Fabrication.

ACS nano

Eperon GE, Habisreutinger SN, Leijtens T, Bruijnaers BJ, van Franeker JJ, deQuilettes DW, Pathak S, Sutton RJ, Grancini G, Ginger DS, Janssen RA, Petrozza A, Snaith HJ.
PMID: 26247197
ACS Nano. 2015 Sep 22;9(9):9380-93. doi: 10.1021/acsnano.5b03626. Epub 2015 Aug 06.

Moisture, in the form of ambient humidity, has a significant impact on methylammonium lead halide perovskite films. In particular, due to the hygroscopic nature of the methylammonium component, moisture plays a significant role during film formation. This issue has...

Differentiation of chemical reaction activity of various carbon nanotubes using redox potential: Classification by physical and chemical structures.

Carbon

Tsuruoka S, Matsumoto H, Castranova V, Porter DW, Yanagisawa T, Saito N, Kobayashi S, Endo M.
PMID: 26783369
Carbon N Y. 2015 Dec;95:302-308. doi: 10.1016/j.carbon.2015.08.048.

The present study systematically examined the kinetics of a hydroxyl radical scavenging reaction of various carbon nanotubes (CNTs) including double-walled and multi-walled carbon nanotubes (DWCNTs and MWCNTs), and carbon nano peapods (AuCl

The Structure-Function Relationships of Classical Cannabinoids: CB1/CB2 Modulation.

Perspectives in medicinal chemistry

Bow EW, Rimoldi JM.
PMID: 27398024
Perspect Medicin Chem. 2016 Jun 28;8:17-39. doi: 10.4137/PMC.S32171. eCollection 2016.

The cannabinoids are members of a deceptively simple class of terpenophenolic secondary metabolites isolated from Cannabis sativa highlighted by (-)-Δ(9)-tetrahydrocannabinol (THC), eliciting distinct pharmacological effects mediated largely by cannabinoid receptor (CB1 or CB2) signaling. Since the initial discovery of...

Kinetics and mechanisms of the ozone/bromite and ozone/chlorite reactions.

Inorganic chemistry

Nicoson JS, Wang L, Becker RH, Huff Hartz KE, Muller CE, Margerum DW.
PMID: 12033908
Inorg Chem. 2002 Jun 03;41(11):2975-80. doi: 10.1021/ic011301s.

Ozone reactions with XO(2)(-) (X = Cl or Br) are studied by stopped-flow spectroscopy under pseudo-first-order conditions with excess XO(2)(-). The O(3)/XO(2)(-) reactions are first-order in [O(3)] and [XO(2)(-)], with rate constants k(1)(Cl) = 8.2(4) x 10(6) M(-1) s(-1)...

Hypohalite ion catalysis of the disproportionation of chlorine dioxide.

Inorganic chemistry

Wang L, Margerum DW.
PMID: 12425638
Inorg Chem. 2002 Nov 18;41(23):6099-105. doi: 10.1021/ic020440m.

The disproportionation of chlorine dioxide in basic solution to give ClO2- and ClO3- is catalyzed by OBr- and OCl-. The reactions have a first-order dependence in both [ClO2] and [OX-] (X = Br, Cl) when the ClO2- concentrations are...

New pathways for chlorine dioxide decomposition in basic solution.

Inorganic chemistry

Odeh IN, Francisco JS, Margerum DW.
PMID: 12444796
Inorg Chem. 2002 Dec 02;41(24):6500-6. doi: 10.1021/ic0204676.

The product distribution from the decay of chlorine dioxide in basic solution changes as the ClO(2) concentration decreases. While disproportionation reactions that give equal amounts of ClO(2)(-) and ClO(3)(-) dominate the stoichiometry at millimolar or higher levels of ClO(2),...

Structural stability and electronic state of transition metal trimers.

The Journal of chemical physics

Wu ZJ, Zhang HJ, Meng J, Dai ZW, Han B, Jin PC.
PMID: 15332902
J Chem Phys. 2004 Sep 08;121(10):4699-704. doi: 10.1063/1.1781616.

Ground state geometries were searched for transition metal trimers Sc3, Y3, La3, Lu3, Ti3, Zr3, and Hf3 by density functional methods. For all the studied trimers, our calculation indicates that the ground state geometries are either equilateral triangle (Zr3...

Transient and stable expression of the firefly luciferase gene in plant cells and transgenic plants.

Science (New York, N.Y.)

Ow DW, DE Wet JR, Helinski DR, Howell SH, Wood KV, Deluca M.
PMID: 17758108
Science. 1986 Nov 14;234(4778):856-9. doi: 10.1126/science.234.4778.856.

The luciferase gene from the firefly, Photinus pyralis, was used as a reporter of gene expression by light production in transfected plant cells and transgenic plants. A complementary DNA clone of the firefly luciferase gene under the control of...

Kinetics and mechanisms of bromine chloride reactions with bromite and chlorite ions.

Inorganic chemistry

Odeh IN, Nicoson JS, Huff Hartz KE, Margerum DW.
PMID: 15530092
Inorg Chem. 2004 Nov 15;43(23):7412-20. doi: 10.1021/ic048982m.

Chloride ion catalyzes the reactions of HOBr with bromite and chlorite ions in phosphate buffer (p[H(+)] 5 to 7). Bromine chloride is generated in situ in small equilibrium concentrations by the addition of excess Cl(-) to HOBr. In the...

Functional regions of the cauliflower mosaic virus 35S RNA promoter determined by use of the firefly luciferase gene as a reporter of promoter activity.

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

Ow DW, Jacobs JD, Howell SH.
PMID: 16578811
Proc Natl Acad Sci U S A. 1987 Jul;84(14):4870-4. doi: 10.1073/pnas.84.14.4870.

The cauliflower mosaic virus (CaMV) 35S RNA promoter has been dissected and examined in a transient expression system using the firefly luciferase gene as a reporter of promoter activity. Deletion analysis has shown that the 35S RNA promoter is...

Showing 13 to 24 of 493 entries