Berta Gerschman de Pikelin
Berta Sofía Gerschman de Pikelin, Argentine arachnologist (Carlos Casares, Buenos Aires Province 26 June 1905 – 1977) DESCRIBED ARACHNIDA TAXA (with Schiapelli) Genera Amaloxenops 1958 Bolostromoides 1945 Melloleitaoina 1960 Paracleocnemis 1942 Pycnothelopsis 1942 Simonida 1958 Xenoplectus 1958 Species About 165 HONORS Pikelinia Mello Leitão 1946 (Arachnida) LINKS http://www.efn.uncor.edu/dep/divbioeco/DivAni1/aracnol/schiapelli.html
Bernhard Gross
Bernhard Gross, German-born Brazilian physicist (Stuttgart 22 November 1905 – São Carlos, São Paulo State 01 February 2002) ACHIEVEMENTS Authored over 200 papers Published important studies on viscoelasticity and rheology that attained international repercussion such as Gross model of viscoelasticity and a book that became a classical Mathematical Structure of theories of Viscoelasticity (1953) Noticed that the formalism of dielectric and viscoelastic relaxations are identical Performed first systematic studies on thermo-electrets Formulated theory of two-charge of electrets With L. Ferreira-Denard discovered the “freezing” of electrical charges in dielectrics With L.F. Denard. Efeitos de temperatura em condensadores carregados. Anais Acad. Bras. Ciencias (1943) With L.F. Denard. On permanente charges in solid dielectrics. I. Dielectric absorption temperature effects in carnauba wax. Physical Reviews 67:253, 1945 Developed first Gross transform which relates the absorption of isotropic and unidirectional beams of radiation Zur absorption der Ultrastrahlung , Zeit. Physik 83:214-21, 1933. Developed second Gross transform used for description of the mechanical behavior of elastic materials With Lela Lacerda derived a new integral transform in rheology (c.1947) Developed the removable condenser method that permits know quantitative state of surface electrical charges and their evolution within time Derived formula that relates deformation delay and force relaxation functions Discovered important charge storage effects in glasses and polymers. Performed first systematical studies on thermal stimulated currents Introduced a thermally stimulated current technique to investigate the charge and polarization storage in ice Performed the first quantitative studies on charge dynamics With P.S. Toledo developed methods for computing thermodielectric constant and time of system constant Developed general theory of linear response in electronic circuits theory Introduced the concept of Compton currents and proved their existence First to report the existence of large particles in a fall out With A. Arnon. Eine beobachtung uber die von kernbombenversuchen herrührende Radioaktivitat der Luft. Zeitschrift der Naturforsch. 12:944-5, 1957 With P.S. Rocha. Um novo método para medida das tensões de polarização (A new method for measurement of polarization tensions). Anais Acad. Bras. Ciencias 6(1), 1934 Uma nova aplicação do princípio de superposição na teoria dos dielétricos anômalos. Anais Acad. Bras. Ciencias 11(3):213-8, 1939 Sobre uma nova transformação integral. Anais Acad. Bras. Ciencias (1940) With J. Costa Ribeiro. Sobre um novo método para a investigação experimental dos eletretos (1943) Proposed and built the Compton dosimeter (patented in Brazil, United States & Germany) Estabilizador de voltagem eletrônico para um gerador de corrente alternada. Anais Acad. Bras. Ciencias (1943) Novo tipo de contador de Geiger-Muller Anais Acad. Bras. Ciencias (1948) Developed a new type of Compton dosimeter for monitoring gamma rays (1958-9)
Benjamín Galíndez
Benjamín Galíndez Cabanillas, Argentine gynecologist and composer (San Roque, Punilla Department, Cordoba Province 13 October 1880 – Cordoba 22 December 1972) Created a method of uterine ligamentopexy (1927) Nueva aplicación del forceps Tarnier (A New application of Tarnier forceps) 1911 A new model of intrauterine splint Wrote a number of musical works
Benjamin Gilbert
Benjamin Gilbert, English-born Brazilian organic chemist (Felixstowe, Suffolk 27 September 1929- Authored nearly 200 scientific publications mainly about Brazilian natural products and control of vectors in endemic diseases Isolated and elucidated structures of a number of indolic alkaloids in Apocynaceae plants Phytochemistry & Parasitology Identified with W.B. Mors and J. Pellegrino, 14, 15-epoxi-geranylgeraniol, from fruit oil of Pterodon pubescens, that prevents the schistosomal cercariae penetration in host skin (1967) With H. Moussatché, H. Lent & M. Kitagawa. Insect juvenile hormone-like activity in a diterpene. Rev. Bras. Biol. 30(1):55-60, 1970 With J. Pellegrino & D. Santos Filho. Extract of Enterolobium timbouva Martius, 1837, a penetration stimulant for cercariae of Schistosoma mansoni. Rev. Bras. Pesq. Med. Biol. 4(4-5):315-6, 1971 With J. Pellegrino, J.P. Souza, C.C. Fortes, D. Santos Filho, A.P. de Seabra & M. Kitagawa. Chemo prophylactic agentes in schistosomiasis. I. Active and inactive terpenes. J. Parasitol. 56:397, 1970 With W. Vichnewski. Schistosomicidal sesquiterpenes lactone from Eremanthus elasagnus. Phytochem. 11:2563-6, 1972 With P.M. Baker, C.C. Fortes, E.G. Fortes, G. Gazzinelli, J.N.C. Lopes, J. Pellegrino, T.C.B. Tomassini & W. Vichnewski. Chemoprophylactic agents in schistosomiasis, eremanthine, costunolide, alpha cyclo costunolide and bisabolol. J. Pharm. Pharmacol. 24:853-7, 1972 With W.B. Mors, P.M. Baker, T.C.B. Tomassini, J. Pellegrino, N. Katz et al. A atividade anti-helmintica dos oleos essenciais e de seus components químicos. Anais Acad. Bras. Ciencias 44:423-8, 1972 With D. Santos Filho, W. Vichnewski & P.M. Baker. Prophylaxis of schistosomiasis. Diterpenes from Pterodon pubescens Benth. Anais Acad. Bras. Ciencias 44(1):45-9, 1972 With J.P. de Souza, M. Fascio, A.P. de Seabra & J. Pellegrino. Esquistossomose: proteção contra infecção por terpenóides. Anais Acad. Bras. Ciencias 42:397-400, 1970 (Suppl) With N. Nunes da Rocha, R. Borojevic & J. Pellegrino. Schistosoma mansoni in vitro transformation of cercarial into schistosomules. Parasitology 64:333, 1972 With E.G. Goulart, J.C. Holanda, J.A.R. Costa et al. Inibição da evolução externa de Strongyloides stercoralis e ancilostomídeos por produtos naturais. Rev. Bras. Med. 29(1), 1972 With D. dos Santos Filho, J.L.C. Lopes, S.J. Sarti, W. Vichnewski et al. Atividade anti helmíntica de óleos essenciais (1973) Natural product derivatives in tropical insect and parasite control (1977) With A.V. Pinto, M.C.R. Pinto, J. Pellegrino & R.M. Mello. Schistosomiasis mansoni: blockage of cercarial skin penetration by chemical agents: I. Naphthoquinones and derivatives. Trans. Royal Soc. Trop. Med. Hyg. 71:133-5, 1977 NATURAL PRODUCTS With J.P. Kutney & W.D.C. Warnock first to report the natural occurrence of glycoside pinocembrin-7-β-neohesperidoside (1970) With J. Couceiro Simões, W.J. Cretney, M. Hearn & J.P. Kutney. The alkaloids of Aspidosperma cuspa: 16-epi-isositsirikine, a new indole base. Phytochem. 15:543-4, 1976 With W. Vichnewski, S.J. Sarti & W. Herz. Goyazensolide, a schistosomicidal heliangolide from Eremanthus goyazensis. Phytochem. 15(1):191-3, 1976 With M.C. Nascimento & W.B. Mors. Um novo grupo de heterociclos oxigenados de Derris araripensis Ducke. Cien. Cult. 24(6):129-30, 1972 With C.C. Fortes, M. Nunes da Rosa & A.P. Seabra. Investigação química da saúva Atta sexdens rubropilosa. Arq. Museu Nac. 54:281, 1971 With M. F. Santos Filho, W.B. Mors & N.T. Nishida. Two new diterpenes from Pterodon pubescens Benth. Anais Acad. Bras. Ciencias 42:97-101, 1970 (Suppl) With L.D. Antonaccio, J.C. Braekman, C. Hootele, C. Van Moorleghem, M. Kaiser & J. Pecher. Indole alkaloids. XVII. Five dihydroindole alkaloids from Aspidosperma verbascifolium. Bull. Soc. Chim. (1969) With B. Tursch, I.S. Guimarães, R. Aplin, A.M. Duffield & C. Djerassi. Chemical studies of marine invertebrates. II. Terpenoids. LVIII. Griseogenin, a new triterpenoid sapogenin of the sea cucumber Haloderma grisea L. Tetrahedron 23:761-7, 1967 With J.M. Ferreira Filho, M. Kitagawa, L.A.Paes Leme & L.J. Durham. Four heptacyclic alkaloids from Aspidosperma species. J. Chem. Org. Soc. 14:1260-6, 1966 With J.A. Joule, M. Ohashi & C. Djerassi. Alkaloid studies. 53. Structures of 9 new alkaloids from Aspidosperma dasycarpon DC. Tetrahedron 21(7):1717, 1965 With A.P. Duarte, Y. Nakagawa, J.A. Joule, K.s. Brown Jr., C. Djerassi et al. Alkaloid studies. L. The alkaloids of twelve Aspidosperma species. Tetrahedron 21(5):1141-66, 1965 With J.A. Joule, H.J. Monteiro, L.J. Durham & C. Djerassi. Alkaloid studies. 48. Structure of apparicine, a novel Aspidosperma alkaloid. J. Chem. Soc. p. 4773, 1965 With M. Ohashi, J.A. Joule & C. Djerassi. The structures of five new Aspidosperma alkaloids related to uleine. Experientia 20(7):363-4, 1964 With M.E.A. Gilbert, M.M. Oliveira, O. Ribeiro, A. Wenkert, B. Wickberg, U. Hollstein & H. Rapaport. The aporphine and isoquinolinedione alkaloid of Ocotea glaziovii. J. Amer. Chem. Soc. 86:684, 1964 With B. Tursch, E. Tursch, I.T. Harrison, G.B.C.T. C. B. Silva, H.J. Monteiro, W.B. Mors & C. Djerassi. Terpenoids. LIII. Demonstration of a ring conformational changes in triterpenes of the β-amyrin class isolated from Stryphnodendron coriaceum. J. Org. Chem. 28(9), 1963 (obtained a series of novel triterpenoids sapogenins) With C. Djerassi, Y. Nakagawa, J.M. Wilson, H. Budzikiewicz & L.D. Antonaccio. The structure of the Aspidosperma alkaloid compactinervine. Cell. Molec. Life Sciences 19(9):467-9, 1963 With J. Aguayo, F. Neville, W.I. Taylor, H. Budzikiewicz, J.M. Wilson & C. Djerassi. Mass spectrometry in structural and stereochemical problems. XX. Carapanaubine, a new alkaloid from Aspidosperma carapanauba and some observations on mass spectra of oxindole alkaloids. J. Am. Chem. Soc. 85(10):1523-8, 1963 With L.D. Antonaccio, N.A. Pereira, H. Vorbuegger, H. Budzikiewicz, J.M. Wilson, L.J. Durham & C. Djerassi. Alkaloid studies. XXXIII. Mass spectrometry in structural and stereochemical problems. VI. Polyneuridine, a new alkaloid from Aspidosperma polyneuron, and some observations on mass spectra of indole alkaloids. J. Am. Chem. Soc. 84(24):5001, 1962 With J. Aguayo Brissolese, J.M. Wilson, H. Budzikiewicz, L.J. Durham & C. Djerassi. The alkaloids of Aspidosperma limae Woodson: aspidolimidine, aspidolimine, demethoxypalosine and aspidocarpine. Chem. Ind. p.1949-50, 1962 With C. Djerassi, L.D. Antonaccio, T. George & A.A. P. Archer. Alkaloid studies. 30. Isolation and constitution of 3 new Aspidosperma alkaloids cylindrocarpine, cylindrocarpidine and pyrifolidine. Tetrahedron 16(1-4):212, 1961 With L.B. Antonaccio, A.A. Archer & C. Djerassi. Alkaloid studies. XXIII. Isolation of four new Aspidosperma cylindrocarpin, refractine, pyrifoline and pyrifolidine alkaloids. Experientia 16:61-2, 1960 PATENTS With J.F.G. Pereira, I.V. Silva Jr., A. Svaiter, A.M. Oliveira Filho, C.E. dos Santos, J.B. Machado & D.F. Teixeira. Device to prevent the action of mosquitoes and other hematophagous insects (1998) With J.F.G. Pereira, I.V. Silva Jr., A. Svaiter, A.M. Oliveira Filho, C.E. dos Santos, J.B. Machado & D.F. Teixeira. Process for obtaining an andiroba based formulation and the use of extract of andiroba husks for prevent the action of mosquitoes and other insects (2001)
Bartolomeu Lourenço de Gusmão
Bartolomeu Lourenço de Gusmão, Brazilian/Portuguese cleric and inventor (Santos, São Paulo State December 1865 – Toledo, Spain 18 November 1724) Worked as cryptographer INVENTIONS Hot-air balloon (Passarola) considered as the first operational aerostat (1709) much years earlier than Montgolfier Brothers Lens system to sunburn meat (1713) Sucking-pressing pump (1705) Pumping system to drain water from ship’s hold (1707) Machinery for rational exploration of peat-bogs A mill faster than others existing until then Improvements in output of hydraulic mills and sugar engines (1724) Artificial earth coal (1721) Paddle-wheel adjustable to single boats (before Kullo) Patented a hydraulic engine (1724) It is said that he held 9 inventions, but 8 are in imprecise documentation.
Balkrishna Shankar Gogate
Balkrishna Shankar Gogate, Indian helminthologist (Mehidpur, Ujjain District, Madhya Pradesh State 25 October 1906 – ?) DESCRIBED TREMATODA TAXA Genus Proacetabulorchis 1940 Species Gogatea serpentium 1932 Neodiplostomum gumbudia 1940 Ostiolum mehrai 1935 Parabascus macrorchis 1939 Paryphostomum testitrifolium 1934 Petasiger minutissimus 1934 Platynotrema cerivoulae 1939 Proacetabulorchis prashadi 1940 Subvulifer halcyonae 1940 HONORS Gogatea Lutz 1935 (Trematoda)