José Manuel Riveros
José Manuel Riveros Nigra, Paraguayan-born Brazilian physical chemist (Asunción 16 April 1940 – Performed important contributions to ion-molecule reactions in gas phase Described Riveros reaction or α-elimination of CO leading to the carbonylation of the esther, an efficient way of generating a solvated ion in the gas phase at low pressures (1968) With S.M. José & K. Takashima. A novel reaction to generate anion adducts in the gas phase (1989) With P. C. Isolani, H.V. Linnert, M.C. Kida-Tinone et al. Construção e desempenho de um espectrômetro de massa por transformada de Fourier. Quim. Nova 15:351-3, 1992 With Z. Zhu. A kinetic method to distinguish isomeric C3H5+ cations. Rapid Comm.Mass. Spectrom. 5:387-90, 1991
José Manuel Rivero Carvallo
José Manuel Rivero Carvallo, Mexican cardiologist (Tehuacán, Puebla State 01 April 1905 – Ciudad de Mexico 15 February 1993) ACHIEVEMENTS Described Carvallo sign Signo para el diagnostico de las insuficiencias tricuspideas. Arch. Inst. Cardiol. Mex. 16:531, 1946 Described the use of Rivero Carvallo maneuver in the diagnosis of tricuspid stenosis El diagnostico de la estenosis tricuspidea. Arch. Inst. Cardiol. Mex. 20:1-11, 1950 Described the sign of the double apical thrust El signo de doble choque apexiano. Arch. Inst. Cardiol. Mex. 32(5):387-99, 1962 Designed a manouevre to determine apex area Studied syndrome of compression of the left main bronchus or King-Landau-Rivero syndrome The Left Bronchial Compression Syndrome. Am. J. Cardiol. 9:521, 1962 Discovered atrium papyraceum Semiologia de las lesiones tricuspideas. Arch. Inst. Cardiol. Mexico 21:567-93, 1951 With H. Ramírez-Jaime. Atrium papyraceum: the clinical diagnosis of the paper-thin right atrium. Am. J. Cardiol. 16(3):369-78, 1965
José Andrés Ramos Alemar
José Andrés Ramos Alemar, Puerto Rican entomologist (1915 – 1989) DESCRIBED HEMIPTERA GENERA Antillotolania 1957 Deiroderes 1957 Gaetopsis 1957 Jibarita 1957 Oreopenes 1957 Monobeloides 1979 Paraprosoptropis 1946 Spathenotus 1957 HONORS Ramosella McKamey & Deitz 1996 (Hemiptera) Ramosulus Young 1977 (Hemiptera)
Jose Ruiz Herrera
José Ruiz Herrera, Mexican mycologist and biochemist (Ciudad de Mexico 12 May 1935 – Authored about 300 publications with about 8,700 citations in according to Research Gate Recognized as foremost expert on fungal cell wall in the world Proposed a new mechanism of regulation of gene expression With I. Salas Vargas. Inhibición de la elongación de RNA m. Un nuevo mecanismo de regulación de la expresión genetica (1973) With I. Salas Vargas. Regulation of nitrate reductase at the transcriptional and translational levels in Escherichia coli. Biochim. Biophys. Acta 425:492-501, 1976 Isolated chitin synthetase and developed a technique for synthesizing microfibrils of cell wall in vitro With S. Bartnicki-Garcia. Synthesis of cell wall microfibrils by a “soluble” chitin synthetase from Mucor rouxii. Science 186(4161):357-9, 1974 Discovered and isolated the chitosomes, intracellular organelles that contain and deliver chitin synthetase to cell surface With C.E. Bracker & S. Bartnicki-Garcia. Structure and transformation of chitin synthetase particles (chitosomes) during microfibrils synthesis in vitro. Proc. Natl. Acad. Sci. USA 73:4570-4, 1976 Isolated the 16S subunit, the smallest unit capable of synthesizing chitin in vitro With S. Bartnicki-Garcia & C.Bracker. Dissociation of chitosomes by digitonin into 16S subunits with chitin synthetase activity. Biochim. Biophys. Acta 629:201-16, 1980 With Spanish researchers determined different aspects of the molecular basis of cellular differentiation and dimorphism in fungi specifically the role of polyamines and DNA methylation Polyamines, DNA methylation and fungal differentiation. Crit. Rev. Microbiol. 20:143-50, 1994 Helped to characterize the structure and role of proteins in the synthesis and final architecture of the fungal cell wall DEVELOPED METHODS With J.J. Gonzalez. A continuous method for the measurement of urease activity. Anal. Biochem. 31:366-74, 1969 With A. Flores Carreón. Descripción de un metodo para medir glucosa y α-glucosidasa. Rev. Lat. Am. Microbiol. 16:187-8, 1974 With C.G. León Ramírez, L. Valdés Santiago, E. Campos-Gongora, L. Ortiz Castellanos & E.T. Arechiga. A molecular probe for Basidiomycota: the spermidine synthase-saccharopine dehydrogenase chimeric gene. FEMS Micriobiol. Lett. 312(1):77-83, 2010 Papers in top journals With V.O. Singh, J. Van der Woude & S. Bartnicki-Garcia. Microfibril assembly by granules of chitin synthetase. Proc. Natl. Acad. Sci. USA 72:2706-10, 1975 With J. Kamper, R. Kahmann, M. Bolker, L.J. Ma, T. Brefort et al. Insights from the genome of the biotrophic fungal plant pathogen Ustilago maydis. Nature 444:97-101, 2006 HONOURS Ruth Allen Award, American Society of Plant Pathology (1984) LINKS www.academic.oup.com/femsyr/article/6/7/949/492055
Jose Ellis Ripper Filho
José Ellis Ripper Filho, Brazilian physicist (Rio de Janeiro 25 February 1939 – Authored 71 papers and one book Developed innovative technologies in photonics His lab was the third in the world to obtain second generation semiconductor laser PATENTS (15; incomplete) With T.L. Paoli. Mode locking in semiconductor lasers US3696310A (1969) With T.L.Paoli. Optical coupling of adjacent stripe contact geometry semiconductor lasers US3701044A (1970) With T.L. Paoli. Dynamic fm control of the trasverse modes of a self-pulsing semiconductor laser US3723903A (1971) With L. Asaro. Double heterojunction laser containing intermediate homojunction CA968443A & DE2258087A1 (1971)
Jorge Reynolds
Jorge Reynolds Pombo, Colombian biomedical engineer (Santafé de Bogotá 22 June 1936 – From British father and relative to scientist Francisco José de Caldas Authored 174 papers Discovered the similarity between that human and cetacean hearts Obtained the electrocardiogram records of several aquatic vertebrates (1984) Designed and built electrocardiogram equipment suitable to whales researches (1985) First to study the cardiac effects of alpinism (1978) DEVELOPED The first external pacemaker with inner electrodes and external electronic unit (1958) An equipment for electrocardiogram via telemetry (1971) With Jorge Hernando Ulloa & Jorge Ulloa Domínguez. The first external venous pacemaker in the world for prevention of thrombosis in airplane passengers (1999) The first nanotelepacemaker (2011) A wireless sensor for measuring pH changes around a implant (2012) A nanosensor for management of facial paresthesis (2013) A brain nanopacemaker for management of Parkinson & Alzheimer syndromes (2013) LINKS http://scienti1.colciencias.gov.co:8081/cvlac/visualizador/generarCurriculoCv.do?cod_rh=0000587443