Gastão Rosenfeld
Gastão Rosenfeld, Hungarian-born Jewish Brazilian biomedical scientist (Budapest 26 July 1912 – São Paulo 15 July 1990) From Hungarian father and Egyptian mother from French ascent ACHIEVEMENTS Studied properties of natural toxins Authored many important studies on physiopathology of poisoning by animals A new method for studying Hematozoa Novo método para pesquisa de hematozoários. Rev. Assoc. Paul. Med. 18:306, 1941 Método rápido de coloração de esfregaços de sangue. Noções práticas sobre corantes pancrômico e estudo de diversos fatores. Mem. Inst. Butantan 20:315-28, 1947 Developed Rosenfeld staining, a rapid pan-chromic staining for blood smears combining May-Grunwald and Giemsa methods Corante pancrômico para a hematologia e citologia clínica: nova combinação dos componentes do May-Grunwald e do Giemnsa num só corante de emprego rápido. Mem. Inst. Butantan 20:329-334, 1947 Co-discovered bradykinin (1949) With M. Rocha e Silva & W.T. Beraldo. Bradykinin, a hypotensive and smooth muscle stimulating factor released from plasma globulin by snake venoms and by trypsin. Am. J. Physiol. 156:261-73, 1949 With L.A.P. de Camargo. Retração normal do coágulo sanguíneo. Coeficiente de correção e índice de retração. Rev. Bras. Biol. 9:510, 1949 With B. Janszky & A.T. Leão. Método de investigação da ação de drogas sobre a coagulabilidade do sangue “in vivo”. Seara Med. 6:515, 1951 Introduced a new treatment for chronic leukemia using personal control of maintenance dosis Considerations on the classification frequence and treatment of leukemia. Acta Unio Int. Contra Cancrum 11(3):313-7, 1955 With O.G. Hampe & E.M. Kélen. Coagulant and fibrinolytic activity of animal venoms: determination of coagulant and fibrinolytic index of different species. Mem. Inst. Butantan 29:143-63, 1959 With E.M.A. Kelen & F. Nudel. Hemolytic activity of animal venoms. I. Classification in different types and activities. Mem. Inst. Butantan 30, 1960 Described in detail Rosenfeld neurotoxic facies or myasthenic facies, a pathognomonic sign of the bite by a snake with neurotoxic venom (1960s) Developed a modified standard technique for determining coagulation time Técnica padrão da determinação do tempo de coagulação (modificado). J. Bras. Med. 7:695-711, 1965 With W. Beçak & M.A.R. Barros. Método fotométrico para medição quantitativa de cromossomos (1965) Described hementerin, an anticoagulant of leech Haementeria lutzi With Eva M. A. Kélen. Fibrinogenolytic substance (hementerin) of Brazilian blood-sucking leeches (Haementeria lutzi Pinto 1920). Haemostasis 4(1): 51-64, 1975 Paper in Science With B. Janszky. The accelerating effect of calcium on the fibrinogen-fibrin transformation. Science 116:36-7, 1952
G.N. Ramachandran
Gopalasamudran Narayana Iyer Ramachandran, Indian structural biologist and crystallographer (Ernakluam, Kerala State 08 October 1922 – Chennai 07 April 2001) Authored 250 publications ACHIEVEMENTS Regarded as one of founders of molecular biophysics With W.A.Wooster proposed a length unit in yards for scanning and assessing generally any structure mainly polypeptides With Wooster first determinated the elastic constants of cubic crystals from diffuse x-ray reflections (1949) With Gopinath Kartha proposed the triple helical structure of collagen molecule introducing the concept of coiled-coil structure (1954) Discovered bridge regions in biological molecules, a region bridging α-helical and β-sheet conformations known as Ramachandran bridges With S. Raman derived the correct formula for calculating phase angles from Bijvoet differences in A new method for the structure analysis of non-centro-symmetric crystals. Curr. Sci. 25:348-51, 1956 Applied Fourier transforms and anomalous dispersion to methods of structure analysis Developed a novel Fourier method for structural analysis in crystallography Gave contribution on the use of anomalous dispersion in phase determination in x-ray structure analysis (1956) With R. Srinivasan. A new statistical test for distinguishing between centrosymmetric and non-centrosymmetric structures. Acta Crystal. 12:410-1, 1959 With C. Ramakrishnan & V. Sasisekharan developed Ramachandran plot or map (1963) Setted the rules that govern the conformation of polysaccharides (1963) With A.V. Lakshininarayana developed convolution-backprojection algorithm used in x-ray tomography (1971) Developed a x-ray focusing mirror for the x-ray microscope Developed a new Boolean algebra vector matrix formalism (1976) Real Atom Grid Approximation (RAGA) – a new technique of crystal structure analysis using only amplitudes without determination of phases of reflections. Acta Cryst. A 46:359-65, 1990 Developed methods for solving conformation or molecular architecture of proteins and others biopolymers Introduced the term topograph in crystallography Eponym of Ramachandran angles HONORS Ewald Prize, International Union of Crystallography (1999) Asteroid Ramachandran 20851 Chemistry Nobel Prize nominee (1964) LINKS http://rsbm.royalsocietypublishing.org/content/51/367.full.pdf+html
G. Chandrasekhara Rao
G. Chandrasekhara Rao, Indian marine zoologist DESCRIBED NEW TAXA Genera Anthohydra 1973 with Salvini-Plawen (Cnidaria) Apolaophonte 1987 with Wells (Crustacea) Asterocomes 1962 (Crustacea) Balucopsylla 1972 (Crustacea) Eoschizopera 1976 with Wells (Crustacea) Helmutkunzia 1962 (Crustacea) Planodasys 1970 with Clausen (Gastrotricha) Psammothuria 1968 with Ganapati (Echinodermata) Species About 80 species in Crustacea, Gastrotricha, Cnidaria, Tardigrada, Echinodermata and Mollusca HONORS (Crustacea) Raowellsia Ozdikmen 2008 Raoleptomesochra Karanovic 2004
Franco da Rocha
Francisco Franco da Rocha, Brazilian psychiatrist and psychologist (Amparo, São Paulo State 23 August 1864 – São Paulo 08 November 1933) ACHIEVEMENTS Authored in 1904 Esboço de psiquiatria forense (Outline of forensic psychiatry) that was translated into German Authored one chapter in Traité Internationale de Psychopathologie, organized under the direction of Pierre Marie His scientific works had wide repercussion in national and international media SOME BIBLIOGRAPHY Alcoolismo e loucura. Soc. Med. Cirurgia Do Rio De Janeiro-Conferência. 1918 Asilo-colônia de alienados de Juqueri. Arq. Criminologia, Med. Legal e Psiquiatria, Buenos Aires. 1902. Assistência familiar aos alienados em S. Paulo. Arq. Bras. Psiqu Neur Ciências Afins 2(1):18-24,1906 Assistência familiar aos insanos em S. Paulo. Arq. Bras. Psiqu Neurol Ciências Afins. 6(4): 397-402, 1910 Combate ao alcoolismo. Gazeta Médica Bahia. 59: 149-153, 1928 Delinquente epiléptico. Rev. Médico-Legal, Bahia. 129, 1897 Estatística do Asilo-colônia de Juqueri. Arq. Bras. Psiqu Neurol Med Legal. 168-172, 1911 Estatística e apontamentos sobre o Hospício de São Paulo, 1895 Moléstias mentais em São Paulo. Arq. Bras. Psiqu Neurol Ciências Afins. 3:274-284, 1907 O beribéri no Hospício de São Paulo. Rev. Médica São Paulo. 1902 Responsabilidade atenuada dos alienados criminosos. Rev. Médico-Legal, Bahia. 179, 1897 Sobre um caso de paralisia geral. Brasil Médico. 225, 1895 With A.C. Pacheco e Silva. A demência paralítica em São Paulo. Arq. Bras. Neuriatr Psiqu. 20(1): 1-22, 1924
Francisco Raggi
Francisco Federico Raggi Cardenas, Mexican mathematician (Ciudad de Mexico 1940 – Ciudad de Mexico 12 June 2012) Authored 38 papers Developed homological algebra relative to hereditary torsion theory Developed methods for studying properties of lattice in nonhereditary torsion theories First to study the big lattice of preradicals over a ring from the lattice theory point of view (2002) and developed methods for studying it Defined finite length dimension Characterized classes of very important rings such as V-rings or semisimple rings Defined prime preradicals and prime submodules of a module Defined the concept of a main injective module, whose fully invariant submodules are in bijective correspondence with all the left exact preradicals
Francisco Dias da Rocha
Francisco Dias da Rocha, Brazilian naturalist and archaeologist (Fortaleza 23 August 1869 – Fortaleza 25 July 1960) Obtained a compound named rochaplasm that employed to cure aftosa SOME BIBLIOGRAPHY Catálogo da collecção de aves do Muzeu Rocha. Bol. Muz. Rocha 1(1):23-39, 1960 Subsídios para o estudo da fauna cearense (Catálogo das espécies por mim coligidas e notadas). Rev. Inst. Cear. 62:102-35, 1948 Botanica medica cearense (1919) Chelonios do Ceará (1911) Conchas – Catalogo da coleção de conchas univalves, determinadas, em parte, pelo prof. H. Von Ihering. Bol. Mus. Rocha 7:41-53, 1908 Abelhas. Bol. Museu Rocha (1908) HONORS Rochadiplosis Tavares 1917 (Diptera)