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Showing 1 to 12 of 273 entries
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Physical activity during school recess: a systematic review

after-school interventions

Parrish AM, Ridgers ND, Salmon J, Stanley RM.
GSID: GioA--Ke03QJ
ND Ridgers, J Salmon, AM Parrish, RM Stanley… - American journal of …, 2012 - Elsevier

Context Interest has increased in examining the physical activity levels of young people during school recess. Identifying correlates of their recess physical activity behaviors is …

Enforced Layer-by-Layer Stacking of Energetic Salts towards High-Performance Insensitive Energetic Materials.

Journal of the American Chemical Society

Zhang J, Mitchell LA, Parrish DA, Shreeve JM.
PMID: 26262555
J Am Chem Soc. 2015 Aug 26;137(33):10532-5. doi: 10.1021/jacs.5b07852. Epub 2015 Aug 14.

Development of modern high-performance insensitive energetic materials is significant because of the increasing demands for both military and civilian applications. Here we propose a rapid and facile strategy called the "layer hydrogen bonding pairing approach" to organize energetic molecules...

Comparative Study of Various Pyrazole-based Anions: A Promising Family of Ionic Derivatives as Insensitive Energetic Materials.

Chemistry, an Asian journal

Yin P, Mitchell LA, Parrish DA, Shreeve JM.
PMID: 28042911
Chem Asian J. 2017 Feb 01;12(3):378-384. doi: 10.1002/asia.201601615. Epub 2017 Jan 09.

In the design of advanced energetic materials, high-density explosophores play a pivotal role because of their remarkable enhancement of both density and molecular stability. Using diversified functionalization strategies, a comparative study involving various nitropyrazole anions shows that these are...

Energetic Salts Based on 3,5-Bis(dinitromethyl)-1,2,4-triazole Monoanion and Dianion: Controllable Preparation, Characterization, and High Performance.

Journal of the American Chemical Society

Zhang J, Dharavath S, Mitchell LA, Parrish DA, Shreeve JM.
PMID: 27267735
J Am Chem Soc. 2016 Jun 22;138(24):7500-3. doi: 10.1021/jacs.6b03819. Epub 2016 Jun 10.

Molecular modification of known explosives is considered to be an efficient route to design new energetic materials. A new family of energetic salts based on the 3,5-bis(dinitromethyl)-1,2,4-triazole monoanion and dianion were controllably synthesized by using 1-diamino-2,2-dinitroethene as a precursor....

Nitromethane Bridged Bis(1,3,4-oxadiazoles): Trianionic Energetic Salts with Low Sensitivities.

Chemistry (Weinheim an der Bergstrasse, Germany)

Yu Q, Imler GH, Parrish DA, Shreeve JM.
PMID: 29124792
Chemistry. 2017 Dec 14;23(70):17682-17686. doi: 10.1002/chem.201704939. Epub 2017 Nov 28.

Trianionic energetic salts based on one nitromethylene and two dinitromethyl anions were designed and synthesized. Interestingly, the unstable dinitromethylene group of diethyl 2,2'-((dinitromethylene)bis(1,3,4-oxadiazole-5,2-diyl))bis(2,2-dinitroacetate) (2) was changed to a mononitromethylene group by an aminolysis reaction to form triammonium ((nitromethanidylene)bis(1,3,4-oxadiazole-5,2-diyl))bis(dinitromethanide) (3),...

Mono- and diiodo-1,2,3-triazoles and their mono nitro derivatives.

Dalton transactions (Cambridge, England : 2003)

Chand D, He C, Hooper JP, Mitchell LA, Parrish DA, Shreeve JM.
PMID: 27226283
Dalton Trans. 2016 Jun 21;45(23):9684-8. doi: 10.1039/c6dt01731b. Epub 2016 May 26.

4-Iodo-1H-1,2,3-triazole (2) and 4,5-diiodo-1H-1,2,3-triazole (3) were synthesized using an efficient and viable synthetic route. The N-alkylation of 3 resulted in the formation of two tautomers. The N-alkyl-diiodo-triazoles were nitrated with 100% nitric acid to form monoiodo-mononitro-triazoles. The structures of...

Energetic salts with π-stacking and hydrogen-bonding interactions lead the way to future energetic materials.

Journal of the American Chemical Society

Zhang J, Zhang Q, Vo TT, Parrish DA, Shreeve JM.
PMID: 25565429
J Am Chem Soc. 2015 Feb 04;137(4):1697-704. doi: 10.1021/ja5126275. Epub 2015 Jan 23.

Among energetic materials, there are two significant challenges facing researchers: 1) to develop ionic CHNO explosives with higher densities than their parent nonionic molecules and (2) to achieve a fine balance between high detonation performance and low sensitivity. We...

Commentary: A crisis in comparative psychology: where have all the undergraduates gone?.

Frontiers in psychology

Beran MJ, James BT, Futch SE, Parrish AE.
PMID: 26733917
Front Psychol. 2015 Dec 21;6:1928. doi: 10.3389/fpsyg.2015.01928. eCollection 2015.

No abstract available.

A Review of LIDAR Radiometric Processing: From Ad Hoc Intensity Correction to Rigorous Radiometric Calibration.

Sensors (Basel, Switzerland)

Kashani AG, Olsen MJ, Parrish CE, Wilson N.
PMID: 26561813
Sensors (Basel). 2015 Nov 06;15(11):28099-128. doi: 10.3390/s151128099.

In addition to precise 3D coordinates, most light detection and ranging (LIDAR) systems also record "intensity", loosely defined as the strength of the backscattered echo for each measured point. To date, LIDAR intensity data have proven beneficial in a...

A role for the age-dependent loss of α(E)-catenin in regulation of N-cadherin expression and cell migration.

Physiological reports

Nichols LA, Grunz-Borgmann EA, Wang X, Parrish AR.
PMID: 24920123
Physiol Rep. 2014 Jun 11;2(6). doi: 10.14814/phy2.12039. Print 2014 Jun 01.

The aging kidney has a decreased ability to repair following acute kidney injury. Previous studies from our laboratory have demonstrated a loss in α-catenin expression in the aging rat kidney. We hypothesize that loss of α-catenin expression in tubular...

Overexpression of MMP-7 Increases Collagen 1A2 in the Aging Kidney.

Physiological reports

Oelusarz A, Nichols LA, Grunz-Borgmann EA, Chen G, Akintola AD, Catania JM, Burghardt RC, Trzeciakowski JP, Parrish AR.
PMID: 24273653
Physiol Rep. 2013 Oct;1(5). doi: 10.1002/phy2.90.

The percentage of the U.S. population over 65 is rapidly increasing, as is the incidence of chronic kidney disease (CKD). The kidney is susceptible to age-dependent alterations in structure, specifically tubulointerstitial fibrosis, that lead to CKD. Matrix metalloproteinases (MMPs)...

Correlation of a Solution-State Conformational Change between Mercuric Chloride Complexes of Tris[(2-(6-methylpyridyl))methyl]amine with X-ray Crystallographic Structures.

Inorganic chemistry

Bebout DC, Bush II JF, Crahan KK, Kastner ME, Parrish DA.
PMID: 11670615
Inorg Chem. 1998 Sep 07;37(18):4641-4646. doi: 10.1021/ic980296y.

Solution-state NMR and X-ray crystallography were used to investigate the complexation of HgCl(2) by the potentially tetradentate ligand tris[(6-methyl-2-pyridyl)methyl]amine (TLA) in acetonitrile. A change in the ligand conformation as a function of the metal-to-ligand ratio could be indirectly monitored...

Showing 1 to 12 of 273 entries