Henrique Rodrigues da Costa
Henrique Rodrigues da Costa, Brazilian marine zoologist (Rio de Janeiro 04 January 1936 – Ceará State 08 June 1982) Performed studies on carcinology and zonation of coastal fauna DESCRIBED VALID CRUSTACEAN SPECIES Chasmocarcinus peresi 1968 Costalambrus tommasii 1959 Megalobrachium walteri 1968 Pachycheles haigae 1960 Pinnotheres sebastianensis 1970 Ranilia saldanhai 1970 Solenolambrus sebastianensis 1961 HONORS Costalambrus Tan & Ng 2007 (Crustacea Decapoda)
Hector Croxatto
Hector Croxatto Rezzio, Chilean biochemist (Valparaiso 03 July 1907 – Santiago 28 September 2010) Authored over 300 works His works on kalikrein-kynin system gained world acclaim Discovered pepsanurin (1942) and PU-D1, a new kininogen-derived peptide With R. Silva, X. Figueroa, R. Albertini, J. Roblero & M.P. Boric. A peptide released by pepsin from kininogen domain 1 is a potent blocker of AMP-mediated diuresis-natriuresis in the rat. Hypertension 30(4):897-904, 1997 Showed that the proteolytic hydrolysis of plasma proteins gave rise to potent peptides acting upon smooth muscles and kidney functions With G.B. Marini-Bettolo purified and characterized renal proteins presenting important biological activity Described a number of vasoactive peptides With J. Masferrer, R. Albertini, P. Garcia & I. Pinto. Isolation and characterization of rat plasma glandular kallikrein. Biochem. Pharmacol. 34(1):51-6, 1985 Eponym of Porcelli-Croxatto method for studying urinary kallikrein (1970s) Papers in top journals With M. de la Lastra. Diurnal variations in ovarian ascorbic acid content of pseudopregnant immature rats used in Parlow’s test. Nature 208:789-90, 1965 With J. Arrau & H. Croxatto. Luteinizing hormone-like activity in human median eminence extracts. Nature 204:584-5, 1964 With M. de la Lastra. Ovarian ascorbic acid depleting activity in human brain extracts. Nature 204:583-4, 1964 With E. Labarca & G. Cofre. Effects od D,1-aldosterone on renal excretion of water, sodium, and potassium induced by renin. Nature 199:182-3, 1963 With J. Belmar. Hypertensive effects of bradykinin in rats. Nature 192:879-80, 1961 With T. Pereda & R. Mellada. Peptides with oxytocic and pressor activity obtained from acidified rat serum. Nature 184:1496, 1959 With F.B. Oberhauser, M.Q. Gaillard & M.V. Silva. Anti-tumorigenic action of iodinated compounds. Nature 176:466-7, 1955 With L. Barnafi. Anti-diuretic substances of the blood. Nature 172:304-5, 1953 With L. Barnafi, G. Rojas, A. Reyes & A. Infante. Anti-diuretic and oxytocic substances liberated by the digestion of plasmatic proteins with pepsin. Nature 171:82-3, 1953 With L. Barnafi & J. Passi. Effect of renin on diuresis in rats. Science 116 (3019):507-10, 1952 With G. Rojas & L. Barnafi. An antidiuretic substance obtained by digestion of globulin with pepsin. Science 113 (2939):494-5, 1951 With R. Croxatto & M. Reyes. The effect of hypertensin on the inactivation of oxytocin by the serum of pregnant women. Science 108 (2815):658-9, 1948 With R. Croxatto. Destruction of hypertensin and pepsitensin by an aminopeptidase obtained from yeast. Science 96 (2501):519-20, 1942 With R. Croxatto. Pepsitensin. A hypertension-like substance produced by peptic digestion of proteins. Science 95:1012, 1942 HONORS Houssay Prize, OAS (1983) LINKS http://www.casinapioiv.va/content/accademia/en/academicians/deceased/croxatto.html
Hamid Alexandre Cecin
Hamid Alexandre Cecin, Lebanese-born Brazilian rheumatologist (Lebanon 07 February 1940 – Uberaba, Minas Gerais State 23 April 2018) Discovered naturally acquired immunity against tetanus With R. Veronesi, A. Correa, J. Tavares, C. Moraes & O.J. Nascimento. New approaches on tetanus immunization: naturally acquired immunity. Rev. Hosp. Clin. S. Paulo 28:1973 Discovered Cecin Sign (1996) described definitely in 2010 Sinal de Cecin (Sinal “X”): um aprimoramento no diagnóstico de compressão radicular por hérnias discais lombares. Rev. Bras. Reumatol. 50(1), 2010 Proposição de uma reserva anatomofuncional no canal raquidiano, como fator interferente na fisiopatologia das lombalgias e lombociatalgias mecânico-degenerativas. Rev. Assoc. Med. Bras. 43:295-310, 1997
Gustavo Mendes de Oliveira Castro
Gustavo Mendes de Oliveira Castro, Brazilian biologist (Petrópolis, Rio de Janeiro 24 January 1904 – Rio de Janeiro 22 November 1978) ACHIEVEMENTS Enunciated law of phylogenesis and succession Filogenese e sucessão. Anais Acad. Bras. Ciencias 18(2):121-5, 1946 Co-authored with Stanley A. Cain Manual of vegetation analysis (1959), an influent book on phytosociology With J.M. Pires & N.T. da Silva authored the paper Application of some phytosociological techniques to Brazilian rain forest. Amer. J. Bot. 43(10):911-41, 1956 with great repercussion in this field METHODS / DEVICES Um método de análise de populações vegetais. Mem. Inst. Oswaldo Cruz 45(3):572-86, 1947 Developed a staining method for protozoan and bacteria Developed a staining method for Koch bacilli nodules Staining nodules of the leprosy bacillus. Lepr.Rev. 18(2-3):45-9, 1947 Emprego da ocular interferencial de Françon no exame de réplicas de material biológico. Rev. Bras. Biol. 21(4):467-70, 1961 Sobre a causa das “cores metálicas” dos olhos dos Tabanidas assim como uma técnica para restabelecer as mesmas em exemplares secos de museus. Jorn. Comm. (1935) Invented two types of shovels for collecting mosquito larvae samples Developed Castro aspirator for collecting Diptera DESCRIBED DIPTERA TAXA Chrysochiton 1936 with Lutz Culex carcinoxenus 1932 Esenbeckia arcusta 1935 with Lutz Laphromyia longipalpis 1937 with Lutz Limatus flavisetosus 1935 with Lutz HONORS Subgenus Castromyia 1942 Mangabeira Filho (Diptera) His son, Gustavo de Oliveira Castro, neurophysiologist (Rio de Janeiro 20 May 1931 – 2002) Authored Branching pattern of amacrine cell processes. Nature 212:832-4, 1966 Described the changes of optical features in avian retina With H. Martins Ferreira. Light-scattering changes accompanying spreading depression in isolated retina. J. Neurophysiol. 29:715, 1966 Proposed the retina as experimental model of spreading cortical depression With H. Martins Ferreira. Deformations and thickness variations accompanying spreading depression in the retina. J. Neurophysiol. (1970) Proposed circling wave for studying the retina model With C.J. Struchiner. H.M. Ferreira & P.S. Rodrigues. Circling spreading depression in isolated chick retina. J. Neurophysiol. 37:773-84, 1974
Guoda Chen
Guoda Chen or Kuo-ta Ch’en, Chinese geologist and geophysicist (Xinhui County, Guangdong Province 22 January 1912 – Changsha, Hunan Province 07 April 2004) Developed theories of structural geology and movement of the earth’s crust that have been internationally adopted such as Diwa Geodepression Theory (1956) Proposed Diwa metallogeny (1960) Proposed the concept of Danxia landform (1939) with Jinglan Feng Diwa (Geodepression Region) – a new type of active region of Post Platform Stage. Problems on Geotectonics of China (1965) Crustobody – a new concept of integrative geotectonics. Geotectonica et Metallogenia 19(1):1-21, 1995 HONORS Chenguodaite Gu, Watanabe, Xie, Peng et al. 2008 (Mineral)
Guillermo Covas
Guillermo Covas, Argentine agronomist (La Plata, Buenos Aires Province 01 February 1915 – Santa Rosa, La Pampa Province 31 August 1995) Authored about 180 works With Benno Schnack and others made chromosome counts on over two hundred species of the vascular flora of Argentina Found that pollen diameter: length of pollen tube ratio display taxonomic value in Angiosperms With B. Schnack. El valor taxonomico de la relación “longitude del pistilo : volumen del grano de polen”. Darwiniana 7(1):80-90, 1945 Contributed to the knowledge of the origin of cultivated plants, especially barley and canary seeds, which were appreciated abroad DEVELOPED CULTIVARS (about 30) Amaranthus sp. (6) Avena sativa (1) Bromus parodii (1) Carthamus tinctorius (1) Dactylus glomerata (1) Eragrostis curvula (4) Festuca arundinacea (1) Hordeum vulgare (1) Medicago sativa (3) Phalaris x tuberinacea (1) Secale cereale (1) Sorghum almun (2) Sorghum bicolor (1) Vicia dasycarpa (1) Tricepiro (x Agrotriticum) 1 Triticale (x Triticosecale) 3 DESCRIBED PLANTAE SPECIES Acrocomia chunta 1941 Alternanthera australis 1943 Alternanthera suessenguthii 1939 Bromus parodii 1968 with Itria Critesion californicum 1949 with Stebbins Gaillardia cabrerae 1969 Glandularia hookeriana 1945 with Schnack Glandularia parodii 1944 with Schnack Glandularia perakii 1944 with Schnack Glandularia santiaguensis 1944 with Schnack Hordeum arizonicum 1949 Hordeum hexaploidum 1950 Hordeum parodii 1951 Hordeum stebbinsi 1949 Hordeum tetraploideum 1953 Valenzuelia dissecta 1944 with Burkart HONORS Covasacris Liebermann 1970 (Orthoptera) LINKS https://botanicaargentina.org.ar/wp-content/uploads/2018/08/obituario029.pdf (biography and bibliography; in Spanish)