• 1,1-Diphenyl-4-(thiophen-2-yl)but-3-yn-1-ol 

      Umaña, Christian A.; Pineda Cedeño, Leslie William; Cabezas Pizarro, Jorge A. (2018-11)
      The asymmetric unit of the title homopropargyl alcohol, C20H16OS, contains two independent molecules comprising a hydroxy group, a 3-(2-thiophenyl)- propargylic moiety and two aromatic rings linked to a central carbon atom. ...
    • 1,3-Bis{[(2,6-di­methyl­phen­yl)sulfan­yl]meth­yl}benzene 

      Garita Salazar, Bruno; Pineda Cedeño, Leslie William (2019)
      The structure of the title compound, C24H26S2, an example of a pincer ligand with an SCS-chelation motif, illustrates the steric effects of the methyl groups in the thio­phenyl rings at the 2- and 6-positions, forcing a ...
    • 1-Nitro-4-(1-propyn-1-yl)benzene 

      Campos Fernández, Cristian Saul; Pineda Cedeño, Leslie William; Cabezas Pizarro, Jorge A. (2019)
      The title compound, C9H7NO2, was prepared by alkynylation of 4-iodo­nitro­benzene with 1,3-dili­thio­propyne in the presence of 1 equivalent of CuI and catalytic amounts of Pd(PPh3)2Cl2. The complete mol­ecule is generated ...
    • 1998 

      Programa Cooperativo Regional de Frijol para Centroamérica, México y el Caribe (PROFRIJOL) (Universidad de Costa Rica, 1997)
    • 1999 

      Programa Cooperativo Regional de Frijol para Centroamérica, México y el Caribe (PROFRIJOL) (Universidad de Costa Rica, 1999)
    • 20 años de Estam/Pasión 1989-2009 

      Murillo Herrera, Alberto (SIEDIN, 2009-07-02)
      Catálogo de la exposición retrospectiva, realizada en el Instituto de México en San José, en julio de 2009. Es una muestra representativa de veinte años de producción artística. Reúne más de setenta obras del artista, ...
    • ¡200 Petabytes a 100 Megadólares!: Surá – Clúster para el almacenamiento y procesamiento de datos científicos del PRIS-LAB. 

      Siles Canales, Francisco; Calderón Ramírez, Saúl; Villalta Fallas, Marco (2014-01-10)
      Póster presentado en la III Conferencia Internacional de Acceso Abierto, Preservación Digital y Datos científicos (Biredial-SIBD) 15-17 de octubre de 2013. El desarrollo de sistemas computacionales más poderosos en la ...
    • 25 Years of the Internet in Central America: an interview with Guy de Téramond 

      Siles González, Ignacio (2017-10)
      January 2018 marks the 25th anniversary of the first dedicated Internet connection in Central America. Little is known about the conditions that characterised the early development of the Internet in this part of the globe. ...
    • 50 años de la carrera de Bibliotecología en Costa Rica 

      Vargas Bormón, Marlon; Vargas Rodríguez, Mónica; Cruz Zuñiga, Alejandra; Guadamuz Villalobos, Jairo Andrés (2018-03-21)
      El documental realiza un recorrido histórico que inicia con la creación de las primeras bibliotecas en el país, en manos de Miguel Obregón Lizano, y finaliza en el 2018, repasando lugares, momentos históricos y protagonistas ...
    • ¿Un 68 imaginado? Juventud, identidad y memoria en América Latina: el caso del movimiento estudiantil en Costa Rica (1968-2018) 

      Chaves Zamora, Randall (2019)
      ¿Qué había pasado años antes de 1970 con el movimiento estudiantil de Costa Rica? ¿Por qué los estudiantes protestaban por una temática que nada tenía que ver con ellos? ¿Cómo se construyó y se transmitió la memoria de ...
    • A 70 años de la Nakba, la paz nunca ha brillado tanto por su ausencia 

      Johanning Solís, Javier José (2018)
      El artículo pretende contextualizar el conflicto palestino-israelí en el 70 aniversario de la Nakba o catástrofe, su desarrollo y estado actual, a partir del plan de paz ideado por la Administración Trump. La Nakba o ...
    • A BDDC algorithm with deluxe scaling for H(curl) in two dimensions with irregular subdomains 

      Calvo Alpízar, Juan Gabriel (2015)
      A bound is obtained for the condition number of a BDDC algorithm for problems posed in H(curl) in two dimensions, where the subdomains are only assumed to be uniform in the sense of Peter Jones. For the primal variable ...
    • A biocomputational platform for the automated construction of large-scale mathematical models of miRNA-transcription factor networks for studies on gene dosage compensation 

      Acón, Man Sai; Siles Canales, Francisco; Mora Rodríguez, Rodrigo Antonio (2016-11-09)
      Cancer complexity and resistance is mediated by cell-to-cell heterogeneity, which is the consequence of the enormous instability of its genetic material. It is unknown how cancer cells are able to withstand the effects ...
    • A brief account of the history of family planning in Costa Rica 

      Carranza Maxera, María (2009)
      Costa Rica has been a focus of demographic attention for at least two reasons: its startling rate of natural population growth, which peaked at 3.8% during 1955 and 1960 and which was considered one of the highest in the ...
    • A brief survey of Higgs bundles 

      Zúñiga Rojas, Ronald Alberto (2019-06)
      Considering a compact Riemann surface of genus greater or equal than two, a Higgs bundle is a pair composed of a holomorphic bundle over the Riemann surface, joint with an auxiliar vector field, so-called Higgs field. This ...
    • A bright future for integrative venomics 

      Calvete Chornet, Juan José; Lomonte, Bruno (2015-10)
      Venomous secretions are produced by a myriad of animal species, from invertebrates to vertebrates. As a general rule, peptides and proteins represent the most abundant and functionally relevant components of these dangerous ...
    • A Call for Incorporating Social Research in the Global Struggle against Snakebite 

      Gutiérrez, José María; Burnouf, Thierry; Harrison, Robert A.; Calvete Chornet, Juan José; Brown, Nicholas I.; Jensen, Simon D.; Warrell, David A.; Williams, David J. (2015-09-17)
      In Africa, Asia, Latin America, and parts of Oceania, envenoming after snakebite is a serious public health problem. Conservative data suggest that between 1.2 and 5.5 million people suffer snakebites every year, resulting ...
    • A call-and-response system facilitates group cohesion among disc-winged bats 

      Chaverri Echandi, Gloriana; Gillam, Erin H.; Kunz, Thomas H. (2013)
      Acoustic signals are important in maintaining group cohesion, particularly in highly mobile species. For these signals to facilitate group cohesion, individuals must be able to recognize, and respond to, calls emitted by ...
    • A carbonate platform associated with shallow cold methane seeps in Golfo Dulce, Pacific Costa Rica 

      Wild, Christian; Rixen, Tim; Sánchez Noguera, Celeste; Merico, Agostino; Jiménez Centeno, Carlos; Cortés Núñez, Jorge; Naumann, Malik S. (2015)
      Marine methane seeps are typically observed in cold, anoxic and organic-rich deep-sea environments, such as in the Black Sea, where methane emissions fuel the authigenic accretion of calcium carbonate structures via microbial ...
    • A case-control study of breast cancer and hormonal contraception in Costa Rica 

      Rosero Bixby, Luis; Grimaldo Vásquez, Carmen; Rovira, Elizabeth; Lee, Nancy C.; Oberle, Mark W.; Watley, Anne S. (1987)
      By 1981, 11% of married women in Costa Rica ages 20-49 years had used depot-medroxyprogesterone acetate (DMPA) and 58% had used oral contraceptives (OCs). Since 1977, the Costa Rican Ministry of Health has maintained a ...