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Showing 1 to 12 of 124 entries
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The Challenge and Benefit of the Inclusion of Race in Medical School Education.

Journal of racial and ethnic health disparities

Chávez NR.
PMID: 26896119
J Racial Ethn Health Disparities. 2016 Mar;3(1):183-6. doi: 10.1007/s40615-015-0147-2. Epub 2015 Jul 14.

No abstract available.

Understanding chemical reactions of CO2 and its isoelectronic molecules with 1-butyl-3-methylimidazolium acetate by changing the nature of the cation: the case of CS2 in 1-butyl-1-methylpyrrolidinium acetate studied by NMR spectroscopy and density functional theory calculations.

The Journal of chemical physics

Cabaço MI, Besnard M, Chávez FV, Pinaud N, Sebastião PJ, Coutinho JA, Danten Y.
PMID: 24985638
J Chem Phys. 2014 Jun 28;140(24):244307. doi: 10.1063/1.4884820.

NMR spectroscopy ((1)H, (13)C, (15)N) shows that carbon disulfide reacts spontaneously with 1-butyl-1-methylpyrrolidinium acetate ([BmPyrro][Ac]) in the liquid phase. It is found that the acetate anions play an important role in conditioning chemical reactions with CS2 leading, via coupled...

Synthesis, Structure, and Properties of {N,N'- Bis[2-(2-pyridyl)ethyl]pyridine-2,6-dicarboxamido}copper(II).

Inorganic chemistry

Chavez FA, Olmstead MM, Mascharak PK.
PMID: 11666346
Inorg Chem. 1996 Feb 28;35(5):1410-1412. doi: 10.1021/ic9512136.

No abstract available.

Biological and chemical response of the equatorial pacific ocean to the 1997-98 El Nino.

Science (New York, N.Y.)

Chavez FP, Strutton PG, Friederich GE, Feely RA, Feldman GC, Foley DG, McPhaden MJ.
PMID: 10591638
Science. 1999 Dec 10;286(5447):2126-31. doi: 10.1126/science.286.5447.2126.

During the 1997-98 El Nino, the equatorial Pacific Ocean retained 0. 7 x 10(15) grams of carbon that normally would have been lost to the atmosphere as carbon dioxide. The surface ocean became impoverished in plant nutrients, and chlorophyll...

Electrochemical and spectroscopic characterization of organic compound uptake in silica core-shell nanocapsules.

Langmuir : the ACS journal of surfaces and colloids

Joncheray TJ, Audebert P, Schwartz E, Jovanovic AV, Ishaq O, Chávez JL, Pansu R, Duran RS.
PMID: 17014105
Langmuir. 2006 Oct 10;22(21):8684-9. doi: 10.1021/la061086y.

Oil-filled silica nanocapsules consisting of a hydrophobic liquid core and a silicate shell have been shown to efficiently extract hydrophobic compounds from aqueous media. With a view toward quantifying the selectivity of these systems, a series of electrochemical and...

Differential distributions of synechococcus subgroups across the california current system.

Frontiers in microbiology

Paerl RW, Johnson KS, Welsh RM, Worden AZ, Chavez FP, Zehr JP.
PMID: 21833315
Front Microbiol. 2011 Apr 04;2:59. doi: 10.3389/fmicb.2011.00059. eCollection 2011.

Synechococcus is an abundant marine cyanobacterial genus composed of different populations that vary physiologically. Synechococcus narB gene sequences (encoding for nitrate reductase in cyanobacteria) obtained previously from isolates and the environment (e.g., North Pacific Gyre Station ALOHA, Hawaii or...

Cross-Reactive Plasmonic Aptasensors for Controlled Substance Identification.

Sensors (Basel, Switzerland)

Yoho JN, Geier B, Grigsby CC, Hagen JA, Chávez JL, Kelley-Loughnane N.
PMID: 28832512
Sensors (Basel). 2017 Aug 23;17(9). doi: 10.3390/s17091935.

In this work, we developed an assay to determine if an arbitrary white powder is a controlled substance, given the plasmonic response of aptamer-gold nanoparticle conjugates (Apt-AuNPs). Toward this end, we designed Apt-AuNPs with specific a response to common...

Neofusicoccum parvum Associated with Grapevine Trunk Diseases in Chile.

Plant disease

Díaz GA, Prehn D, Besoain X, Chávez ER, Latorre BA.
PMID: 30732079
Plant Dis. 2011 Aug;95(8):1032. doi: 10.1094/PDIS-03-11-0260.

During 2009 and 2010, a survey (n = 520) of diseased grapevines (Vitis vinifera L.) was done in vineyards located in Maipo and Colchagua valleys (33°43' to 34°36'S) in Chile. Symptoms of trunk diseases (TD) were observed on >10-year-old...

Monitoring and behavior of unsaturated volcanic pyroclastic in the Metropolitan Area of San Salvador, El Salvador.

SpringerPlus

Chávez JA, Landaverde J, Landaverde RL, Tejnecký V.
PMID: 27186500
Springerplus. 2016 Apr 27;5:536. doi: 10.1186/s40064-016-2149-x. eCollection 2016.

Field monitoring and laboratory results are presented for an unsaturated volcanic pyroclastic. The pyroclastic belongs to the latest plinian eruption of the Ilopango Caldera in the Metropolitan Area of San Salvador, and is constantly affected by intense erosion, collapse,...

Solar photo-ozonation: A novel treatment method for the degradation of water pollutants.

Journal of hazardous materials

Chávez AM, Rey A, Beltrán FJ, Álvarez PM.
PMID: 27258212
J Hazard Mater. 2016 Nov 05;317:36-43. doi: 10.1016/j.jhazmat.2016.05.050. Epub 2016 May 17.

The decomposition of aqueous ozone by UV-vis radiation has been investigated with focus on the impact of ozone photolysis on the degradation of water pollutants during solar ozonation processes. The apparent first-order rate constants of the decomposition of ozone...

Quantitative Intracellular pH Determinations in Single Live Mammalian Spermatozoa Using the Ratiometric Dye SNARF-5F.

Frontiers in cell and developmental biology

Chávez JC, Darszon A, Treviño CL, Nishigaki T.
PMID: 32010689
Front Cell Dev Biol. 2020 Jan 17;7:366. doi: 10.3389/fcell.2019.00366. eCollection 2019.

Intracellular pH (pH

A Sixteen-year Decline in Dissolved Oxygen in the Central California Current.

Scientific reports

Ren AS, Chai F, Xue H, Anderson DM, Chavez FP.
PMID: 29740053
Sci Rep. 2018 May 08;8(1):7290. doi: 10.1038/s41598-018-25341-8.

A potential consequence of climate change is global decrease in dissolved oxygen at depth in the oceans due to changes in the balance of ventilation, mixing, respiration, and photosynthesis. We present hydrographic cruise observations of declining dissolved oxygen collected...

Showing 1 to 12 of 124 entries