Search Results - "Ramirez, D.A"

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  1. 1

    Characterization of titanium aluminide alloy components fabricated by additive manufacturing using electron beam melting by Murr, L.E., Gaytan, S.M., Ceylan, A., Martinez, E., Martinez, J.L., Hernandez, D.H., Machado, B.I., Ramirez, D.A., Medina, F., Collins, S., Wicker, R.B.

    Published in Acta materialia (01-03-2010)
    “…Intermetallic, γ-TiAl, equiaxed, small-grain (∼2 μm) structures with lamellar γ/ α 2-Ti 3Al colonies with average spacing of 0.6 μm have been fabricated by…”
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  2. 2

    Novel precipitate–microstructural architecture developed in the fabrication of solid copper components by additive manufacturing using electron beam melting by Ramirez, D.A., Murr, L.E., Martinez, E., Hernandez, D.H., Martinez, J.L., Machado, B.I., Medina, F., Frigola, P., Wicker, R.B.

    Published in Acta materialia (01-06-2011)
    “…► In this study we have fabricated copper monoliths by electron beam melting. ► We observe columnar Cu 2O (Cuprite) precipitates which extend in the build…”
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  3. 3

    Characterization of Ti–6Al–4V open cellular foams fabricated by additive manufacturing using electron beam melting by Murr, L.E., Gaytan, S.M., Medina, F., Martinez, E., Martinez, J.L., Hernandez, D.H., Machado, B.I., Ramirez, D.A., Wicker, R.B.

    “…Ti–6Al–4V open cellular foams were fabricated by additive manufacturing using electron beam melting (EBM). Foam models were developed from CT-scans of aluminum…”
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  4. 4

    Influence of Substrate Temperature on Microstructure of Zirconium Silicon Nitride Thin Films Deposited by Reactive Magnetron Sputtering by Oliveira, F.S., Dias, I.L., Araújo, P.L.L., Ramirez, D.A., Silva Neto, P.C., Hübler, R., Mendes, F.M.T., Damasceno, I.Z., Tentardini, E.K.

    “…Zr-Si-N thin films were co-deposited by reactive magnetron sputtering to verify the influence of silicon content (1.6 and 8.0 at. % Si) and substrate…”
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  6. 6

    Validation Of A Model of Juniperus asheii (Mountain Cedar) Pollen Allergy In The Biogenics Research Chamber by Jacobs, R.L, Ramirez, D.A, Andrews, C.P

    Published in Journal of allergy and clinical immunology (01-02-2011)
    “…To develop a controlled model of allergy to Juniperus asheii pollen, an antigen not previously utilized in chamber studies. Sensitized subjects responded in…”
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  7. 7

    Juniperus asheii (Mountain Cedar) Pollen Utilized As An Antigen In The Biogenics Chamber: Comparison Of Natural And Controlled Exposures by Ramirez, D.A, Jacobs, R.L, Andrews, C.P

    Published in Journal of allergy and clinical immunology (01-02-2011)
    “…Juniperus asheii pollen allergy is a robust model commonly used in natural studies for pharmacologic efficacy…”
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  8. 8

    Quantum Dots-in-a-Well Focal Plane Arrays by Vandervelde, T.E., Lenz, M.C., Varley, E., Barve, A., Jiayi Shao, Shenoi, R.V., Ramirez, D.A., Wooyong Jan, Sharma, Y.D., Krishna, S.

    “…In this paper, the basics and some of the recent developments in quantum dots-in-a-well (DWELL) focal plane arrays (FPAs) are reviewed. Fundamentally, these…”
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  9. 9

    Dependence of the Performance of Single Photon Avalanche Diodes on the Multiplication Region Width by Ramirez, D.A., Hayat, M.M., Itzler, M.A.

    Published in IEEE journal of quantum electronics (01-12-2008)
    “…The dependence of the performance of separate-absorption-multiplication (SAM) single-photon avalanche diodes (SPADs) on the width of the multiplication region…”
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  10. 10

    Detection efficiencies and generalized breakdown probabilities for nanosecond-gated near infrared single-photon avalanche photodiodes by Ramirez, D.A., Hayat, M.M., Karve, G., Campbell, J.C., Torres, S.N., Saleh, B.E.A., Teich, M.C.

    Published in IEEE journal of quantum electronics (01-02-2006)
    “…A rigorous model is developed for determining single-photon quantum efficiency (SPQE) of single-photon avalanche photodiodes (SPADs) with simple or…”
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  11. 11

    Chlorophyll concentration in leaves is an indicator of potato tuber yield in water-shortage conditions by Ramírez, D.A., Yactayo, W., Gutiérrez, R., Mares, V., De Mendiburu, F., Posadas, A., Quiroz, R.

    Published in Scientia horticulturae (26-03-2014)
    “…Chlorophyll concentration was higher and senescence rate, lower, in treatments that experienced water scarcity (DI50 and PRD25), which denoted stay-green…”
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  12. 12

    Improving potato drought tolerance through the induction of long-term water stress memory by Ramírez, D.A., Rolando, J.L., Yactayo, W., Monneveux, P., Mares, V., Quiroz, R.

    Published in Plant science (Limerick) (01-09-2015)
    “…•Tubers from plants growing under mild water stress (primed seeds) were collected.•Plants from primed and non-primed seeds were submitted to a second water…”
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  13. 13

    Computational Modeling for Preprocedural Planning of a Complex LVAD Exchange Case by DeVos, A.N., Ramirez, D.A., Prisco, A.R., Shaffer, A.W., Iaizzo, P.A.

    “…Methodologies were utilized for pre-procedural planning that include 3D computational imaging, virtual device implantation, and 3D printed models that were…”
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  14. 14

    Fire increases the risk of higher soil N2O emissions from Mediterranean Macchia ecosystems by Karhu, K., Dannenmann, M., Kitzler, B., Díaz-Pinés, E., Tejedor, J., Ramírez, D.A., Parra, A., Resco de Dios, V., Moreno, J.M., Rubio, A., Guimaraes-Povoas, L., Zechmeister-Boltenstern, S., Butterbach-Bahl, K., Ambus, P.

    Published in Soil biology & biochemistry (01-03-2015)
    “…Intensification of droughts under climate change is projected to increase fire frequency in the Mediterranean region. Fires cause direct emission of greenhouse…”
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  15. 15

    Information-theoretic criterion for the performance of single-photon avalanche photodiodes by Ramirez, D.A., Hayat, M.M., Torres, S.N., Saleh, B.E.A., Teich, M.C.

    Published in IEEE photonics technology letters (01-10-2005)
    “…A channel-capacity metric is introduced for assessing the performance of single-photon avalanche photodiodes (SPADs) when used as detectors in laser…”
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  16. 16

    Assessment of Cr doping on TiO2 thin films deposited by a wet chemical method by Granada-Ramirez, D.A., Cardona-Bedoya, J.A., Hernandez-Rojas, U., Pulzara-Mora, A., Delgado-Rosero, M.I., Durán-Ledezma, A.A., Pérez-González, M., Panecatl Bernal, Y., Tomás, S.A., Alvarado-Pulido, J.J., Gomez-Herrera, M.L., Mendoza-Alvarez, J.G.

    Published in Ceramics international (15-09-2023)
    “…Undoped and Cr-doped TiO2 thin films were synthesized by the dip-coating sol-gel process with titanium isopropoxide and chromium (III) chloride hexahydrate…”
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  17. 17

    Open-cellular copper structures fabricated by additive manufacturing using electron beam melting by Ramirez, D.A., Murr, L.E., Li, S.J., Tian, Y.X., Martinez, E., Martinez, J.L., Machado, B.I., Gaytan, S.M., Medina, F., Wicker, R.B.

    “…► Relative stiffness versus relative density measurements for reticulated mesh and stochastic open cellular copper were shown to follow the Gibson–Ashby foam…”
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  18. 18

    Effect of hafnium addition on structure, wear resistance and high temperature oxidation of MOSx thin films by Silva Neto, P.C., Ramirez, D.A., Terto, A.R., Santos, J.Y.E., Santos, J.C.V. Dos, Mendes, F.M.T., Serafini, F.L., Farias, M.C.M., Tentardini, E.K.

    Published in Surface & coatings technology (15-06-2021)
    “…Pure MoSx and MoSx + Hf thin films were deposited by magnetron sputtering and characterized by RBS, GAXRD, XPS, high temperature oxidation tests and…”
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  19. 19

    Pharmacological Conditioning Reduces Damage from Ischemia-Reperfusion Injury in Porcine Skeletal Muscle and Ex-Vivo Functional Hearts by Ramirez, D.A., Upchurch, W., Uchenik, M., Ziegler, K., Iles, T., Iaizzo, P.A.

    “…Heart transplantation is commonly considered to be the only option available for patients with congenital heart defects and/or individuals with terminal heart…”
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  20. 20

    Chemical synthesis and optical, structural, and surface characterization of InP-In2O3 quantum dots by Granada-Ramirez, D.A., Arias-Cerón, J.S., Pérez-González, M., Luna-Arias, J.P., Cruz-Orea, A., Rodríguez-Fragoso, P., Herrera-Pérez, J.L., Gómez-Herrera, M.L., Tomás, S.A., Vázquez-Hernández, F., Durán-Ledezma, A.A., Mendoza-Alvarez, J.G.

    Published in Applied surface science (15-11-2020)
    “…[Display omitted] •InP-In2O3 QDs are synthesized by a single-step chemical method without injection of hot precursors.•HR-TEM images show the synthesis of InP…”
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