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Showing 13 to 24 of 402 entries
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The limitations of using risk factors to screen for blunt cerebrovascular injuries: the harder you look, the more you find.

World journal of emergency surgery : WJES

Jacobson LE, Ziemba-Davis M, Herrera AJ.
PMID: 26413148
World J Emerg Surg. 2015 Sep 26;10:46. doi: 10.1186/s13017-015-0040-7. eCollection 2015.

INTRODUCTION: Blunt cerebrovascular injury (BCVI) is reported to occur in 1-2 % of blunt trauma patients. Clinical and radiologic risk factors for BCVI have been described to help identify patients that require screening for these injuries. However, recent studies...

Breast cancer in Brazil: epidemiology and treatment challenges.

Breast cancer (Dove Medical Press)

Cecilio AP, Takakura ET, Jumes JJ, Dos Santos JW, Herrera AC, Victorino VJ, Panis C.
PMID: 25678813
Breast Cancer (Dove Med Press). 2015 Jan 29;7:43-9. doi: 10.2147/BCTT.S50361. eCollection 2015.

Notwithstanding the advances in tumor research, diagnosis, and treatment, breast cancer is still a challenge worldwide. This global burden of disease has been associated with population aging and the persistence of cancer-related behaviors. The number of women diagnosed with...

Stereoselective one-pot synthesis of substituted (4Z)-2-alkyl-4-benzylidene- 4H-1,3-benzothiazines.

The Journal of organic chemistry

Herrera A, Martínez-Alvarez R, Ramiro P, Sánchez A, Torres R.
PMID: 15202918
J Org Chem. 2004 Jun 25;69(13):4545-7. doi: 10.1021/jo049777r.

Substituted (4Z)-4-benzylidene-2-methyl-4H-1,3-benzothiazines (1). and (4Z)-2-ethyl-4-benzylidene-4H-1,3-benzothiazines (2). were synthesized by direct stereoselective reactions of S-phenyl ethanethioate or S-phenyl propanethioate with substituted benzyl nitriles in the presence of triflic anhydride.

Solution to spectroscopy challenge 9.

Analytical and bioanalytical chemistry

Martínez-Alvarez R, Herrera A, Ramiro P.
PMID: 15912396
Anal Bioanal Chem. 2005 Jul;382(5):1207-8. doi: 10.1007/s00216-005-3268-3.

No abstract available.

Real-time monitoring of organic reactions with two-dimensional ultrafast TOCSY NMR spectroscopy.

Angewandte Chemie (International ed. in English)

Herrera A, Fernández-Valle E, Martínez-Alvarez R, Molero D, Pardo ZD, Sáez E, Gal M.
PMID: 19603443
Angew Chem Int Ed Engl. 2009;48(34):6274-7. doi: 10.1002/anie.200902387.

No abstract available.

2D ultrafast HMBC: a valuable tool for monitoring organic reactions.

Organic letters

Herrera A, Fernández-Valle E, Gutiérrez EM, Martínez-Alvarez R, Molero D, Pardo ZD, Sáez E.
PMID: 19947620
Org Lett. 2010 Jan 01;12(1):144-7. doi: 10.1021/ol902532f.

Ultrafast 2D HMBC spectroscopy permits real-time monitoring of a reaction based on the structural changes produced in a carbonyl carbon atom. This new technique was used to study the reaction of ketones, nitriles, and Tf(2)O, affording relevant information about...

Penetrating colon injuries: primary anastomosis versus diversion.

Journal of surgical education

Herrera FA, Coimbra R, Easter DW.
PMID: 18308278
J Surg Educ. 2008 Jan-Feb;65(1):31-5. doi: 10.1016/j.jsurg.2007.10.005.

No abstract available.

Acute effects of ethanol on brain, plasma and adrenal monoamine concentrations in virgin and pregnant rats and their fetuses.

Neurochemistry international

Mena MA, Zorzano A, Herrera E.
PMID: 20493136
Neurochem Int. 1986;9(3):371-8. doi: 10.1016/0197-0186(86)90078-1.

The dose-response relationship in brain, plasma, and adrenal monoamine changes after acute oral ethanol administration (1, 2, 4 g/kg body wt) was studied in virgin rats to determine whether the response to the highest dose differed in 21-day pregnant...

Toward an integrative understanding of social behavior: new models and new opportunities.

Frontiers in behavioral neuroscience

Blumstein DT, Ebensperger LA, Hayes LD, Vásquez RA, Ahern TH, Burger JR, Dolezal AG, Dosmann A, González-Mariscal G, Harris BN, Herrera EA, Lacey EA, Mateo J, McGraw LA, Olazábal D, Ramenofsky M, Rubenstein DR, Sakhai SA, Saltzman W, Sainz-Borgo C, Soto-Gamboa M, Stewart ML, Wey TW, Wingfield JC, Young LJ.
PMID: 20661457
Front Behav Neurosci. 2010 Jun 28;4:34. doi: 10.3389/fnbeh.2010.00034. eCollection 2010.

Social interactions among conspecifics are a fundamental and adaptively significant component of the biology of numerous species. Such interactions give rise to group living as well as many of the complex forms of cooperation and conflict that occur within...

Suicidal Expression in Adolescents in Nicaragua in Relation to Youth Self-Report (YSR) Syndromes and Exposure to Suicide.

Clinical practice and epidemiology in mental health : CP & EMH

Obando Medina CM, Herrera A, Kullgren G.
PMID: 21559237
Clin Pract Epidemiol Ment Health. 2011 Mar 22;7:89-96. doi: 10.2174/1745017901107010089.

BACKGROUND: Suicide and suicidal expressions among young people represent a major public health problem worldwide. Most studies are from high-income countries, and it remains unclear whether prevalence and risk factors show a similar pattern in other settings. This study...

Peripheral inflammation increases the damage in animal models of nigrostriatal dopaminergic neurodegeneration: possible implication in Parkinson's disease incidence.

Parkinson's disease

Machado A, Herrera AJ, Venero JL, Santiago M, De Pablos RM, Villarán RF, Espinosa-Oliva AM, Argüelles S, Sarmiento M, Delgado-Cortés MJ, Mauriño R, Cano J.
PMID: 21603178
Parkinsons Dis. 2011;2011:393769. doi: 10.4061/2011/393769. Epub 2011 Apr 13.

Inflammatory processes described in Parkinson's disease (PD) and its animal models appear to be important in the progression of the pathogenesis, or even a triggering factor. Here we review that peripheral inflammation enhances the degeneration of the nigrostriatal dopaminergic...

Gas permeability and selectivity of cellulose nanocrystals films (layers) deposited by spin coating.

Carbohydrate polymers

Herrera MA, Mathew AP, Oksman K.
PMID: 25129773
Carbohydr Polym. 2014 Nov 04;112:494-501. doi: 10.1016/j.carbpol.2014.06.036. Epub 2014 Jun 20.

Cellulose nanocrystals (CNC) were extracted from a cellulose residue using two different acid hydrolysis procedures. CNC extracted with sulfuric acid (CNC(S)) showed higher surface charge (339 μmol/g) compared with crystals extracted with hydrochloric acid (CNC(HCl)). Spin-coated films with two...

Showing 13 to 24 of 402 entries