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Showing 1 to 12 of 163 entries
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World‐Wide‐Web–Based Soil and Water Quality Modeling in Undergraduate Education

science curriculum

Engel BA, Mohtar RH.
GSID: ey5MkljdO64J
RL Gunn, RH Mohtar, BA Engel - Journal of Natural Resources …, 2002 - Wiley Online Library

The development of Internet‐based interfaces for two natural resources models, GRAzing Simulation Model (GRASIM) and Groundwater Loading Effects of Agricultural Management …

Naturally acquired Mycobacterium tuberculosis complex in laboratory pig-tailed macaques.

Emerging microbes & infections

Engel GA, Wilbur AK, Westmark A, Horn D, Johnson J, Jones-Engel L.
PMID: 26038402
Emerg Microbes Infect. 2012 Oct;1(10):e30. doi: 10.1038/emi.2012.31. Epub 2012 Oct 10.

Here we present a case series from a primate research facility. The index case, a 4-year-old pig-tailed macaque (Macaca nemestrina) experimentally infected with chimeric simian-human immunodeficiency virus (SHIVSF162 P4), developed weight loss and was euthanized. Based on necropsy results...

Vibrational renormalisation of the electronic band gap in hexagonal and cubic ice.

The Journal of chemical physics

Engel EA, Monserrat B, Needs RJ.
PMID: 26723703
J Chem Phys. 2015 Dec 28;143(24):244708. doi: 10.1063/1.4938029.

Electron-phonon coupling in hexagonal and cubic water ice is studied using first-principles quantum mechanical methods. We consider 29 distinct hexagonal and cubic ice proton-orderings with up to 192 molecules in the simulation cell to account for proton-disorder. We find...

Immature Survival Data From Early Trial Termination - Theory and Hta Practice.

Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research

Pruefert A, Skaltsa K, Maervoet J, Van EA.
PMID: 27201963
Value Health. 2014 Nov;17(7):A581-2. doi: 10.1016/j.jval.2014.08.1971. Epub 2014 Oct 26.

No abstract available.

Effects of virtual water flow on regional water resources stress: A case study of grain in China.

The Science of the total environment

Sun S, Wang Y, Engel BA, Wu P.
PMID: 26851759
Sci Total Environ. 2016 Apr 15;550:871-879. doi: 10.1016/j.scitotenv.2016.01.016. Epub 2016 Feb 04.

Scarcity of water resources is one of the major challenges in the world, particularly for the main water consumer, agriculture. Virtual water flow (VWF) promotes water redistribution geographically and provides a new solution for resolving regional water shortage and...

Methylenecyclopropane Rearrangement as a Probe for Free Radical Substituent Effects. sigma (*) Values for Potent Radical-Stabilizing Nitrogen-Containing Substituents.

The Journal of organic chemistry

Creary X, Engel PS, Kavaluskas N, Pan L, Wolf A.
PMID: 11674633
J Org Chem. 1999 Jul 23;64(15):5634-5643. doi: 10.1021/jo990732d.

A series of nitrogen-containing 2-aryl-3,3-dimethylmethylenecyclopropanes have been prepared and rearrangement rates to the corresponding 2-arylisopropylidenecyclopropanes have been measured. These rates are dependent on the nature of the nitrogen-containing group in the para-position of the aryl group. Rearrangement rates have...

Subchronic intermittent nicotine treatment enhances ethanol-induced locomotor stimulation and dopamine turnover in mice.

Behavioural pharmacology

Johnson DH, Blomqvist O, Engel JA, Söderpalm B.
PMID: 11224328
Behav Pharmacol. 1995 Mar;6(2):203-207.

Most drugs of abuse enhance mesolimbic dopaminergic transmission and locomotor activity in laboratory animals and, when given repeatedly, further increase these measures, a phenomenon termed sensitization. Sensitization-related neuroadaptations have been proposed to be important in the development and maintenance...

Measurement efficiency and n-shot readout of spin qubits.

Physical review letters

Engel HA, Golovach VN, Loss D, Vandersypen LM, Elzerman JM, Hanson R, Kouwenhoven LP.
PMID: 15447437
Phys Rev Lett. 2004 Sep 03;93(10):106804. doi: 10.1103/PhysRevLett.93.106804. Epub 2004 Sep 03.

We consider electron spin qubits in quantum dots and define a measurement efficiency e to characterize reliable measurements via n-shot readouts. We propose various implementations based on a double dot and a quantum point contact (QPC) and show that...

Olefination of ketones using a gold(III)-catalyzed Meyer-Schuster rearrangement.

Organic letters

Engel DA, Dudley GB.
PMID: 16928065
Org Lett. 2006 Aug 31;8(18):4027-9. doi: 10.1021/ol0616743.

An atom-economical and efficient olefination strategy for ketones is described. Ethoxyacetylide addition followed by a gold-catalyzed Meyer-Schuster rearrangement affords alpha,beta-unsaturated esters, generally in excellent overall yield from the starting ketones. The alkynophilicity of Au3+ promotes an interaction with the...

Tunable noise cross correlations in a double quantum dot.

Physical review letters

McClure DT, Dicarlo L, Zhang Y, Engel HA, Marcus CM, Hanson MP, Gossard AC.
PMID: 17358883
Phys Rev Lett. 2007 Feb 02;98(5):056801. doi: 10.1103/PhysRevLett.98.056801. Epub 2007 Jan 29.

We report measurements of the cross correlation between temporal current fluctuations in two capacitively coupled quantum dots in the Coulomb blockade regime. The sign of the cross-spectral density is found to be tunable by gate voltage and source-drain bias....

Photorearrangement of alpha-azoxy ketones and triplet sensitization of azoxy compounds.

The Journal of organic chemistry

Engel PS, Tsvaygboym KP, Bachilo S, Smith WB, Jiang J, Chignell CF, Motten AG.
PMID: 15787549
J Org Chem. 2005 Apr 01;70(7):2598-605. doi: 10.1021/jo040274v.

[reaction: see text] Although some aspects of azoxy group radical chemistry have been investigated, unhindered alpha-azoxy radicals remain poorly understood. Here we report the generation of alpha-azoxy radicals under mild conditions by irradiation of alpha-azoxy ketones 4a,b. These compounds...

Aflatoxin B(1)-Associated DNA Adducts Stall S Phase and Stimulate Rad51 foci in Saccharomyces cerevisiae.

Journal of nucleic acids

Fasullo M, Chen Y, Bortcosh W, Sun M, Egner PA.
PMID: 21151658
J Nucleic Acids. 2010 Dec 02;2010:456487. doi: 10.4061/2010/456487.

AFB(1) is a potent recombinagen in budding yeast. AFB(1) exposure induces RAD51 expression and triggers Rad53 activation in yeast cells that express human CYP1A2. It was unknown, however, when and if Rad51 foci appear. Herein, we show that Rad53...

Showing 1 to 12 of 163 entries