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Showing 1 to 12 of 250 entries
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Pressure-Dependent Friction on Granular Slopes Close to Avalanche.

Physical review letters

Crassous J, Humeau A, Boury S, Casas J.
PMID: 28949714
Phys Rev Lett. 2017 Aug 04;119(5):058003. doi: 10.1103/PhysRevLett.119.058003. Epub 2017 Aug 03.

We investigate the sliding of objects on an inclined granular surface close to the avalanche threshold. Our experiments show that the stability is driven by the surface deformations. Heavy objects generate footprintlike deformations which stabilize the objects on the...

Giant diverticulum- A rare complication of a common surgical condition.

Clinical case reports

Cubas V, Ward ST, Dmitrewski J.
PMID: 27190624
Clin Case Rep. 2016 Apr 13;4(5):531-2. doi: 10.1002/ccr3.534. eCollection 2016 May.

A gentleman presented with abdominal distension and pain. CT confirmed a 20 cm sigmoid diverticulum. A giant diverticulum, typified by diverticula greater than 4 cm, often requires colonic resection. Fewer than 200 cases have been reported, most measuring 7-15...

Stereoselective tandem cascade furan cycloadditions.

The Journal of organic chemistry

Criado A, Vilas-Varela M, Cobas A, Pérez D, Peña D, Guitián E.
PMID: 24228899
J Org Chem. 2013 Dec 20;78(24):12637-49. doi: 10.1021/jo4022265. Epub 2013 Nov 20.

Oligofurans linked by a rigid tether undergo tandem cycloaddition reactions with high stereoselectivity. The reaction of bisfurans with dimethyl acetylenedicarboxylate (DMAD) involves tandem [4 + 2]/[4 + 2] cycloadditions in a pincer mode. The reaction of oligofurans with arynes...

Synthesis of Anisolylated Aspartyl and Glutamyl Tripeptides.

The Journal of organic chemistry

Berrée F, Chang K, Cobas A, Rapoport H.
PMID: 11666995
J Org Chem. 1996 Jan 26;61(2):715-721. doi: 10.1021/jo951754c.

A process has been developed for transforming the beta-carboxyl of aspartate and the gamma-carboxyl of glutamate into anisolyl ketones. These ketones are occasional byproducts in peptide synthesis, resulting from deprotection or resin-removal processes in the presence of anisole as...

Chronic costochondritis in an adolescent competitive swimmer: a case report.

The Journal of the Canadian Chiropractic Association

Cubos J, Cubos A, Di Stefano F.
PMID: 21120019
J Can Chiropr Assoc. 2010 Dec;54(4):271-5.

A search of the literature revealed that the torso sustains very few swimming injuries. Costochondritis is a poorly understood condition that presents as pain and tenderness on the costochondral or chondrosternal joints without swelling, and may result from increased...

Genetic variation and relationships among Ulex (Fabaceae) species in southern Spain and northern Morocco assessed by chloroplast microsatellite (cpSSR) markers.

American journal of botany

Cubas P, Pardo C, Tahiri H.
PMID: 21646121
Am J Bot. 2005 Dec;92(12):2031-43. doi: 10.3732/ajb.92.12.2031.

Genetic variation in 27 populations of Ulex species from southern Spain and northern Morocco (Betic-Rif arc) was assessed using 11 chloroplast microsatellite (cpSSR) markers, which revealed 47 different haplotypes. These nonrecombinant, haploid markers allow measurement of genetic variation in...

Challenges in determining perchlorate in biological tissues and fluids: implications for characterizing perchlorate exposure.

Analytica chimica acta

Yu L, Cheng Q, Cañas J, Valentin-Blasini L, Blount BC, Anderson T.
PMID: 17723380
Anal Chim Acta. 2006 May 10;567(1):66-72. doi: 10.1016/j.aca.2005.12.056. Epub 2006 Feb 09.

The ability to measure environmental contaminants in biological tissues and fluids is important in the characterization of exposure. However, the analysis of certain contaminants in these matrices presents significant challenges. Perchlorate (ClO4-) has emerged as a potential contaminant of...

Case study on visualizing hurricanes using illustration-inspired techniques.

IEEE transactions on visualization and computer graphics

Joshi A, Caban J, Rheingans P, Sparling L.
PMID: 19590099
IEEE Trans Vis Comput Graph. 2009 Sep-Oct;15(5):709-18. doi: 10.1109/TVCG.2008.105.

The devastating power of hurricanes was evident during the 2005 hurricane season, the most active season on record. This has prompted increased efforts by researchers to understand the physical processes that underlie the genesis, intensification, and tracks of hurricanes....

In Vitro Comparison of Two Most Promising H-Oximes (HI-6 and HLö-7) and Currently Commercially Available Reactivators Pralidoxime and Obidoxime in Reactivation of Cyclosarin-Inhibited Human Cholinesterases.

Toxicology mechanisms and methods

Kuca K, Cabal J, Jun D, Koleckar V.
PMID: 20020898
Toxicol Mech Methods. 2008;18(4):329-33. doi: 10.1080/15376510701380323.

ABSTRACT This study describes the evaluation of the in vitro ability of two acetylcholinesterase (EC 3.1.1.7) reactivators, HI-6 and HLö-7, very promising at present, to reactivate human brain cholinesterases inhibited by the nerve agent cyclosarin. The results obtained (percentage...

Evaluation of newly synthesized reactivators of the brain cholinesterase inhibited by sarin nerve agent.

Toxicology mechanisms and methods

Kuca K, Cabal J.
PMID: 20021089
Toxicol Mech Methods. 2005;15(4):247-52. doi: 10.1080/15376520590968770.

In this work in vitro evaluation of the reactivation potency of the newly synthesized reactivators for acetylcholinesterase (AChE; EC 3.1.1.7) is described. Using this method, reactivation potency of 21 potential reactivators of AChE inhibited by the nerve agent sarin...

Genetic variation and phylogeography of Stauracanthus (Fabaceae, Genisteae) from the Iberian Peninsula and northern Morocco assessed by chloroplast microsatellite (cpSSR) markers.

American journal of botany

Pardo C, Cubas P, Tahiri H.
PMID: 21632320
Am J Bot. 2008 Jan;95(1):98-109. doi: 10.3732/ajb.95.1.98.

The tribe Genisteae includes genera of great ecological importance in Mediterranean countries because they are dominant elements of many plant communities. Genetic variation and diversification patterns in Stauracanthus (Genisteae) provide information relevant for the study of the processes of...

Can emergency medicine residents reliably use the internet to answer clinical questions?.

The western journal of emergency medicine

Krause R, Moscati R, Halpern S, Schwartz DG, Abbas J.
PMID: 22224135
West J Emerg Med. 2011 Nov;12(4):442-7. doi: 10.5811/westjem.2010.9.1895.

INTRODUCTION: The study objective was to determine the accuracy of answers to clinical questions by emergency medicine (EM) residents conducting Internet searches by using Google. Emergency physicians commonly turn to outside resources to answer clinical questions that arise in...

Showing 1 to 12 of 250 entries