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Showing 1 to 12 of 708 entries
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From representations to onto-semiotic configurations in analysing the mathematics teaching and learning processes

mathematics education

Contreras A, Font V, Godino JD.
GSID: k_mtTXE0I2QJ
V Font, JD Godino, A Contreras - Semiotics in mathematics …, 2008 - books.google.com

In this chapter, we reflect on the key role of semiotic representations in constructing and communicating mathematical knowledge, since they are essential components of …

Strengthening the bridge to higher education for academically promising underrepresented students

STEM and underrepresented

Contreras F.
GSID: nZTgvS4pIlAJ
F Contreras - Journal of Advanced Academics, 2011 - journals.sagepub.com

… The Meyerhoff Scholars Program (MSP) targets African American and other underrepresented minority students in STEM fields to advance the representation of minorities in science-…

African American students' college choice processes in a post 209 era

Centers of Research Excellence in Science and Technology (CREST) and HBCU Research Infrastructure for Science and Engineering (RISE) AND Program Evaluation

Chapman TK, Comeaux E, Contreras F.
GSID: uwqJLLhHF-UJ
F Contreras, TK Chapman, E Comeaux… - … of Qualitative Studies …, 2018 - Taylor & Francis

Abstract High-achieving African American students in California are not attending University of California (UC) campuses. Due to hyper-implementations of Proposition 209, which limited UC campuses' ability to use race as a significant admission criteria, the UC system and individual...

Cultivating The Chicano/Latina/O/X Faculty Pipeline Across Hispanic Serving Institutions (HSI) Systems: The Potential Role Of HSRIs In Transforming The …

Computer and Information Science and Engineering Minority-Serving Institutions Research Expansion Program AND Program Evaluation

Contreras F.
GSID: WE20rP_Bph4J
F Contreras, SP Robledo, V Gomez - … , Equity, and Research, 2022 - journals.sfu.ca

ABSTRACT The production of Chicano/Latino faculty has remained stagnant over the past 20 years, in part due to limitations in the production of doctoral students, hiring Latino faculty, and uneven experiences in graduate school. This article provides important findings...

The problem of the particular and its relation to the general in mathematics education

mathematics education

Font V, Contreras Á.
GSID: ICBm1DgSB1AJ
V Font, Á Contreras - Educational studies in mathematics, 2008 - Springer

… its relation to the general in teaching and learning mathematics as well as the complexity of factors … and mathematics ontology, elaborated by the onto-semiotic approach to mathematics … way in which representation seems to us mainly to...

Brain Levels of Catalase Remain Constant through Strain, Developmental, and Chronic Alcohol Challenges.

Enzyme research

Rhoads DE, Contreras C, Fathalla S.
PMID: 22919469
Enzyme Res. 2012;2012:572939. doi: 10.1155/2012/572939. Epub 2012 Aug 05.

Catalase (EC 1.11.1.6) oxidizes ethanol to acetaldehyde within the brain and variations in catalase activity may underlie some consequences of ethanol consumption. The goals of this study were to measure catalase activity in subcellular fractions from rat brain and...

Genome-Scale Reconstruction of the Metabolic Network in .

Frontiers in microbiology

Mendoza SN, Cañón PM, Contreras Á, Ribbeck M, Agosín E.
PMID: 28424673
Front Microbiol. 2017 Mar 30;8:534. doi: 10.3389/fmicb.2017.00534. eCollection 2017.

No abstract available.

Search for Event Rate Modulation in XENON100 Electronic Recoil Data.

Physical review letters

Aprile E, Aalbers J, Agostini F, Alfonsi M, Anthony M, Arazi L, Arisaka K, Arneodo F, Balan C, Barrow P, Baudis L, Bauermeister B, Breur PA, Brown A, Brown E, Bruenner S, Bruno G, Budnik R, Bütikofer L, Cardoso JM, Cervantes M, Coderre D, Colijn AP, Contreras H, Cussonneau JP, Decowski MP, de Perio P, Di Giovanni A, Duchovni E, Fattori S, Ferella AD, Fieguth A, Fulgione W, Gao F, Garbini M, Geis C, Goetzke LW, Grignon C, Gross E, Hampel W, Hasterok C, Itay R, Kaether F, Kaminsky B, Kessler G, Kish A, Landsman H, Lang RF, Le Calloch M, Lellouch D, Levinson L, Levy C, Lindemann S, Lindner M, Lopes JA, Lyashenko A, Macmullin S, Marrodán Undagoitia T, Masbou J, Massoli FV, Mayani D, Melgarejo Fernandez AJ, Meng Y, Messina M, Micheneau K, Miguez B, Molinario A, Murra M, Naganoma J, Ni K, Oberlack U, Orrigo SE, Pakarha P, Persiani R, Piastra F, Pienaar J, Plante G, Priel N, Rauch L, Reichard S, Reuter C, Rizzo A, Rosendahl S, Dos Santos JM, Sartorelli G, Schindler S, Schreiner J, Schumann M, Scotto Lavina L, Selvi M, Shagin P, Simgen H, Teymourian A, Thers D, Tiseni A, Trinchero G, Tunnell C, Wall R, Wang H, Weber M, Weinheimer C, Zhang Y.
PMID: 26371638
Phys Rev Lett. 2015 Aug 28;115(9):091302. doi: 10.1103/PhysRevLett.115.091302. Epub 2015 Aug 28.

We have searched for periodic variations of the electronic recoil event rate in the (2-6) keV energy range recorded between February 2011 and March 2012 with the XENON100 detector, adding up to 224.6 live days in total. Following a...

Crosstalk between the HpArsRS two-component system and HpNikR is necessary for maximal activation of urease transcription.

Frontiers in microbiology

Carpenter BM, West AL, Gancz H, Servetas SL, Pich OQ, Gilbreath JJ, Hallinger DR, Forsyth MH, Merrell DS, Michel SL, Contreras S, Dehning J, Loidolt M, Zierenberg J.
PMID: 26124751
Front Microbiol. 2015 Jun 12;6:558. doi: 10.3389/fmicb.2015.00558. eCollection 2015.

Helicobacter pylori NikR (HpNikR) is a nickel dependent transcription factor that directly regulates a number of genes in this important gastric pathogen. One key gene that is regulated by HpNikR is ureA, which encodes for the urease enzyme. In...

Electromagnetic evidence that SSS17a is the result of a binary neutron star merger.

Science (New York, N.Y.)

Kilpatrick CD, Foley RJ, Kasen D, Murguia-Berthier A, Ramirez-Ruiz E, Coulter DA, Drout MR, Piro AL, Shappee BJ, Boutsia K, Contreras C, Di Mille F, Madore BF, Morrell N, Pan YC, Prochaska JX, Rest A, Rojas-Bravo C, Siebert MR, Simon JD, Ulloa N.
PMID: 29038369
Science. 2017 Dec 22;358(6370):1583-1587. doi: 10.1126/science.aaq0073. Epub 2017 Oct 16.

Eleven hours after the detection of gravitational wave source GW170817 by the Laser Interferometer Gravitational-Wave Observatory and Virgo Interferometers, an associated optical transient, SSS17a, was identified in the galaxy NGC 4993. Although the gravitational wave data indicate that GW170817...

Mapping the Physiological Response of .

Frontiers in microbiology

Contreras A, Ribbeck M, Gutiérrez GD, Cañon PM, Mendoza SN, Agosin E.
PMID: 29545779
Front Microbiol. 2018 Mar 01;9:291. doi: 10.3389/fmicb.2018.00291. eCollection 2018.

The effect of ethanol on the metabolism of

Symptomatic Remission and Counterfactual Reasoning in Schizophrenia.

Frontiers in psychology

Albacete A, Contreras F, Bosque C, Gilabert E, Albiach Á, Menchón JM.
PMID: 28111561
Front Psychol. 2017 Jan 06;7:2048. doi: 10.3389/fpsyg.2016.02048. eCollection 2016.

Counterfactual thinking (CFT) is a type of conditional reasoning involving mental representations of alternatives to past factual events that previous preliminary research has suggested to be impaired in schizophrenia. However, despite the potential impact of these deficits on the...

Showing 1 to 12 of 708 entries