Pedro Gaspar Guertzenstein
Pedro Gaspar Guertzenstein, Jewish Brazilian cardiovascular physiologist (São Paulo 06 January 1938 – São Paulo 17 July 1994) Established the foundation of current view of the ventrolateral medullary vasomotor nuclei and their role in the arterial blood pressure (1971-4) Established the ventral surface of the bulb as regulating region of sympathetic tonus Blood pressure effects obtained by drugs applied to the ventral surface of the brain stem. J. Physiol. 229:395-408, 1973 Defined the rostroventrolateral medulla precise location of the most important source of tonic excitation to sympathetic neurons in the intermediolateral cell column of the spinal cord With A. Silver. Fall in blood pressure produced from discrete regions of the ventral surface of the medulla by glycine and lesions. J. Physiol. 242:489-503, 1974 Described the caudal ventrolateral medulla With W. Feldberg. Vasodepressor effect obtained by drugs acting on the ventral surface of the brain stem. J. Physiol. 258:337-55, 1976 Characterized the cardiovascular function of caudal ventrolateral medulla With O.U. Lopes. A depressor area on the ventral surface of the medulla. J. Physiol. 301:35-6, 1980 Proposed the existence of caudal pressor area With W. Feldberg. Blood pressure effects of leptazol applied to the ventral surface of the brain stem of cats. J. Physiol. 372:445-56, 1986 Showed that caudal pressor area contains cells with a tonic pressor activity that contributed to maintenance of baseline levels of arterial pressure and that caudal pressor area-induced cardiovascular responses were mediated by caudal ventrolateral medulla with the involvement of both glutamatergic and GABAergic synapses With O.U. Lopes, R.R. Campos Jr., O.S. Possas & S.L. Cravo. The caudal pressor area: a new region of the ventrolateral medula involved in cardiovascular regulation. Lung Biol. Health Dis. 82:817-932, 1995 With J.E.C. Lacerda, G.C. Araújo, A.A. Santos & O.U. Lopes. Padronização de um método para canulação crônica da área rostroventrolateral em ratos. Anais FeSBE 10:118, 1995 His father, Bernardo Guertzenstein, Ukrainian-born Brazilian pharmacist (Ksaverov, Ukraine 23 January 1897 – São Paulo 05 August 1976) Novo processo de preparação da pomada mercurial Processo de divisão do mercúrio Novo methodo volumétrico de dosagem de sulfatos (1926)
Pedro Garza
Pedro Dionisio de la Garza Cepeda, Mexican physicist (Montemorelos, Nuevo León State 28 October 1851 – Ciudad de Mexico 29 March 1897) Discovered a new way to build optical axes and double diffraction in anisotropic crystals and established the formula of polarized cylinder in anisotropic crystals in his thesis The light waves at Gottingen University (1874) SOME BIBLIOGRAPHY La geometria y su historia (1876) Geometria sintética (1877) Aritmetica de los vectores y cuaternios (1884) Elementos de mecânica según el método de los vectores (1886)
Pedro Gamboni
Pedro Gamboni Vera, Chilean chemical engineer (Valparaiso 26 September 1825 – Iquique 27 November 1895) From Italian father METHODS/PATENTS An open steam system (1853) patented Developed a technical procedure to elaborate nitrate using water steam for smelting of caliche rocks (1853) A process to extract iodine from mother liquor of caliche rocks (1866) patented A method to purify borax and extraction of boric acid Another system to extract iodine from saltpeter (patented in 1873) Patented improved means of, and apparatus for, producing and maintaining motive power, or assisting to produce and maintain such power (1875) HONORS Honorary Member, Inventors Society, United States
Pedro Galindo
Pedro Galindo Vallarino, Panamanian medical entomologist (Ciudad de Panama 27 October 1916 – Cuesta de Piedra, Chiriquí Province 08 October 2007) Authored over 90 works DESCRIBED DIPTERA TAXA Subgenus Belkinomyia 1973 with Adames Species Aedes leucophoebus 1952 with Carpenter & Trapido Aedes clarki 1952 with Carpenter Culex adamesi 1980 with Sirivanakam Culex (Belkinomyia) eldridgei 1973 with Adames Culex arboricolus 1961 with Mendez Culex bilobatus 1954 with Blanton Culex caribeanus 1954 with Blanton Culex changuinolae 1954 with Blanton Culex erethynzofer 1954 with Blanton Culex fairchildi 1954 with Blanton Culex intonsus 1954 with Blanton Culex johnsoni 1961 with Mendez Culex keenani 1961 with Mendez Culex laticlasper 1954 with Blanton Culex mesodenticulatus 1961 with Mendez Culex pseudotaeniopus 1954 with Blanton Culex quasihibridus 1954 with Blanton Haemagogus aeritinctus 1967 with Trapido Haemagogus alticola 1965 with Trapido Haemagogus gorgasi 1956 with Trapido Haemagogus mesodentatus 1956 with Trapido Lutzomyia stewarti 1944 with Mangabeira Filho Uronotaenia incognita 1954 with Blanton Uronotaenia paludosa 1954 with Blanton Uronotaenia telmatophila 1954 with Blanton Uronotaenia trapidoi 1954 with Blanton Wyeomyia arborea 1951 with Carpenter & Trapido Wyeomyia nigritubus 1951 with Carpenter & Trapido HONORS Galindomyia Stone & Barreto 1969 (Diptera)
Paulo Gustavo Galvao
Paulo Gustavo Galvão, Brazilian ophthalmologist (Campina Grande, Paraíba State 06 April 1936 – Belo Horizonte 08 December 2015) With R.A. Moura. Modificação da lente de contato de Goldmann para utilização em fotogoniografia. Anais XII congr. Bras. Oftalm. (1962) Developed a new simple technical device for multiplying the light beam With R.A. Moura. Color photography using single and multiple optical sections: a preliminary report. Amer. J. Ophthalm. 55(4):818-20, 1963 TECHNIQUES Developed spatulated divulsion , a type of keratoplasty A technique for sharing cornea to both patients (1990)
Paulo Gagarin
Paulo Gagarin (Pavel Konstantinovich Gagarin), Russian-born Brazilian painter and amateur entomologist (Saint Petersburg 1885 – Rio de Janeiro 1980) DESCRIBED LEPIDOPTERA SPECIES Automeris coresus 1936 Automeris irene 1936 Copiopteryx montei 1933 Pseudautomeris aspera 1936 Pseudautomeris stawiarskii 1936 X. liliana HONORS Gagarinia Lane 1956 (Coleoptera)