Yongyuth Yuthavong
Yongyuth Yuthavong, Thai biochemist (Lopburi 04 May 1944 – Solved the structure of dihydrofolate reductase-thimidylate synthase of Plasmodium falciparum With J. Yuvaniyama, P. Chitnumsub, S. Kamchonwongpaisan, J. Vacichtanankul, W. Sirawaraporn, P. Taylor & M. Walkinshaw. Insights into antifolate resistance from malarial DHFR-TS structures. Nature Structural Biology 10(5):357-65, 2003 NEW CHEMICALS With S. Kamchowongpaisan, C. Nilanonta, B. Tarnchompuo, C. Thebtaranonth, Y. Thebtaranonth, P. Kongsaere & J. Clardy. An antimalarial peroxide from Annomum krervanh Pierre, Tetrahedron Lett. 36(11):1821-4, 1995 With C. Thebtaranonth, Y. Thebtaranonth & S. Wanauppathamkul. Antimalarial sesquiterpenes from tubers of Cyperus rotundus: structure of 10,12-peroxycalamine, a sesquiterpene endoperoxide. Phytochemistry 40(1):125-81, 1995 Discovered an anti-malarial oral drug P218 candidate to clinical development DEVELOPED METHODS With D. Japrung, S. Chusacultanachai, I. Yuvaniyama & P. Wilairat. A simple dual selection for functionally active mutants of Plasmodium falciparum dihydrofolate reductase with improved solubility. Protein Engin. Design Selection 18(10):457-64, 2005 With S. Ekthawatchai, J. Lertvorachon, P. Meesowpan, T. Thongpanchang, Y. Thebtaranonth et al. An environmentally friendly, low cost, one-pot synthesis of artemisitene. Chem. Inform. 34(38), 2003 With I. Ittarat & H. Kyle Webster. High-performance liquid chromatographic determination of dihydroorotate dehydrogenase of Plasmodium falciparum and effects of antimalarials on enzyme activity. J. Chromat. A 582(1-2):57-64, 1992 With J. Krumgkrai & H.K. Webster. High-performance liquid chromatographic assay for thymidylate synthesis from the human malaria parasite, Plasmodium falciparum. J. Chromat. A 487(1):51-9, 1989
Xunchu Yan
Xunchu Yan, Chinese microbiologist (1912 – 1994) DESCRIBED NEW TAXA Valid Genus Aclinoalloteichus 1984 with Liu & Zhang Species Aclinoalloteichus cyanogriseus 1984 with Liu & Zhang Actinopolyspora thermovinacea 1983 with Lu Micromonospora brunnescens Micromonospora citrea Micromonospora echinofusca Micromonospora fulvoviolacea Micromonospora thermoauberginospora 1983 with Lu Nocardia fusca 1983 with Liu & Ruan Nocardia thermoflava 1983 with Lu Nocardia thermoviolacea 1983 with Lu Nocardioides thermolilacinus 1983 with Lu Streptomyces flavoverrucosus 1966 with Y.X. Deng Streptomyces thermoatroviridis 1983 with Lu Streptomyces thermocastaneus 1983 with Lu Streptomyces thermocoerulescens 1983 with Lu Streptomyces thermocyaneomaculatus 1983 with Lu Streptomyces thermocyaneoviolaceus 1983 with Lu Streptomyces thermolilacinus 1983 with Lu Streptomyces thermoluteus 1983 with Lu With Z.H. Liu & J.S. Ruan. A new species of the genus Kitasatospora. Acta Microb. Sinica 26 (1986) With Y.X. Deng. Studies on the classification of Micromonospora. II. Two new species of Micromonospora. Acta Microb. Sin. 22:8-12, 1982 With Y. Deng. Studies on the Paucisporaceae. I. A new species of Microtetraspora. Acta Microb. Sinica 19:1-4, 1979 With G.W. Zhang & G.X. Xiang. Three new Streptomyces species of griscoru-broviolaceus group. Acta Microb. Sinica 17(3):183-8, 1977 With Y. Deng. Studies on the classification of Micromonospora. I. Five new species of Micromonospora. Acta Microb. Sin. 16:110-5, 1976 HONORS Yaniella Li, Zhi & Euzeby 2008 (Bacteria)
Xiongli Yang
Xiongli Yang, Chinese neurophysiologist (Shanghai 14 October 1941 – Pioneered the study of neural mechanisms underlying information processing in the vertebrate retina Characterized the glutamate and GABA receptors in retinal neurons Discovered light receptor signals received on horizontal cells First to report that cooperators electric coupling between sight poles and sight cones were reinforced because of background light First to discover that sight cone signal was prohibited in secret
Victor Yohai
Victor Jaime Yohai, Turkish-born Jewish Argentine statistician (22 February 1939 – Considered a world leader on robust statistics With J.D. Gonzalez & R. Fraiman & R.H. Zamar. Robust model based clustering (2021) (proposed a new class of robust and Fisher-consistent estimators for mixture models) With J. Molina, M. Sued & M. Valdora. Robust doubly protected estimators for quantiles with missing data (2017) With J. Molina, M. Sued & M. Valdora. A robust approach for location estimation in a missing data setting (2015) With C. Agostinelli & R. Fraiman. Robust estimation for multivariate data under the independent contamination model (2012) (introduced composite likelihood M-estimates, a new kind of robust procedures for estimating the mean vector and covariance matrix for multivariate normal observations) With J.G. Adrover. A new projection estimate for multivariate location with minimax bias. J.Multiv. Analysis 101 (6):1400-11, 2010 With D. Peña. A Dirichlet random coefficient regression model for estimating attribute weights in quality indicators. J. Statis. Plann. Inference 136:942-61, 2006 With M. Salibian Barrera. A fast algorithm for S-regression estimates. J. Comput. Graph Statis. 15:414-27, 2006 With F. Alqallaf, S. Van Aelst & R.H. Zamar. A model of contamination in multivariate data (2005) With M. Garcia Ben. Quantile-quantile plot for deviance residuals in the generalized linear model. J. Comput. Graph. Statis. 13:36-47, 2004 With D. Gervini. A class of robust and fully efficient regression estimators. Ann. Statis 30:583-616, 2002 With N. Ferretti, D. Kelmansky & R.H. Zamar. A class of locally and globally robust regression estimates. J. Am. Statis. Assoc. 94:174-88, 1999 With D. Peña. A fast procedure for outlier diagnostics in large regression problems. J. Am. Statis. Assoc. 94:434-45, 1999 With J. Meloche, L.A. Garcia Escudero, A. Gordaliza, X. He, R. Maronna, R. Fraiman et al. Multivariate L-estimation. Test 8(2):255-317, 1999 (defined a new notion of order statistics and ranks for multivariate data based on density estimation) With D. Peña Sanchez de Rivera. A procedure for robust estimation and diagnostics in regression (1996) With A. Bianco & M. Garcia Ben. Robust procedures for regressiuon models with ARIMA errors (1996) With R. Maronna. Bias-robust estimates of regression based on projections. The Ann. Statis. (1993) (a new class of bias-robust estimates of multiple regression) With R. Maronna. A new class of bias-robust estimates of regression (1993) With D.M.Kelmansky & N.E. Ferretti. A goodness of fit test based on ranks for ARMA models (1992) With A.G. Bruce & R.D. Martin. Two new robust methods for time series. Comput. Statis (1992) With W. Stahel & R.H. Zamar. A procedure for robust estimation and inference in regression (1991) With R. Maronna. A bivariate test for detection of systematic change in mean, J. Am. Statis. Assoc. 73:640-5, 1978 PROPOSED / INTRODUCED With Mariela Sued a new concept of differentiabilty of statistical functions (2013) With D. Gervini the robust and efficient weighted least square estimator (REWLSE) (2002) With D. Gervini the idea of an adaptive univariate filter or Gervini-Yohai filter (2002) MM estimator (1987) With Rousseeuw the S estimation class (1984) With R.H. Zamar the concept of tau-scale (1988) MS estimator (2000) OTHER CONTRIBUTIONS / BIBLIOGRAPHY With E. Smucler. Robust and sparse estimators for linear regression models. Comput. Statis. Data Analysis 111:1166-30, 2017 With M. Amiguet, A. Marazzi & M. Valdora. Robust estimators for generalized linear models with a dispersion parameter (2017) With D. Peña. Generalized dynamic principal components. J. Amer. Statis. Assoc. 111(515):1121-31, 2016 With C. Agostinelli. Composite robust estimators for linear mixed models. J. Am. Statis. Assoc. 111(516): 1764-74, 2016 With M. Salibian Barrera & S. Van Aelst. Robust tests for linear regression models based on t-estimates. Comp. Statis Data Analysis 93:436-55, 2016 With C. Agostinelli & A. Marazzi. Robust estimators of the generalized log-gamma distribution. Technometrics 56(1):92-101, 2014 With N. Muller. Robust estimation for vector autoregression models. Comput. Statis. Data Analysis 65:68-79, 2013 With E.E. Alvarez. M-estimators for isotonic regression. J. Statis. Plann. Inference 142(8):2351-68, 2012 With A. Bergesio. Projection estimators for generalized linear models. J. Amer. Statis. Assoc. 106(494):661-71, 2011 With M. Svarc & R.H. Zamar. Optimal bias robust M-estimates of regression (2002) With S. Hernandez. Locally and globally robust estimators in regression (1999) With O. Bustos the class of estimates based on residual auto-covariances (RA-estimates) for the parameters of an ARMA model EPONYMY Yohai-Zamar locally optimal estimate Yohai estimator Bianco-Yohai estimator Peña-Yohai initial estimator for robust S estimators of the regression HONOURS Mahalanobis Award, International Statistical Institute (2012)
Shyam Lal Yadava
Shyam Lal Yadava, Indian mathematician (Ghanshyampur, Uttar Pradesh 05 July 1953 – 07 June 2007) Regarded as international expert on partial differential equations Obtained relevant results for semi-linear elliptic equations satisfying critical growth conditions on the non linearity with various types of boundary conditions Obtained relevant connection between the concentration points of minimal energy solutions and the critical points of the mean curvature of the boundary of the domain
Nobuko Yoshida
Nobuko Yoshida, Brazilian parasitologist (c.1948 From Japanese ancestry Described Herpetomonas mariadeanei 1978 with Freymuller & Wallace With R.S. Nussenzweig, P. Potocnjak, V. Nussenzweig & M. Aikawa. Hybridoma produces protective antibodies against the sporozoite stage of malaria parasite. Science 207(1):71-3, 1980 CONTRIBUTIONS A macromolecule-free partially defined medium for Trypanosoma cruzi. J. Protozool. 22:128-30, 1975 With E.P. Camargo, D.M.Mattei & Z. Caulada, Staphylococcal adherence to trypanosomes exposed to immune sera as a method for diagnosis of Chagas disease. Trans. Royal Soc. Trop. Med. Hyg. 77:825-8, 1983 With M.C. Fernandes, M. Cortez, K. Yoneyama, A. Straus & R.A. Mortara. Novel strategy in Trypanosoma cruzi cell invasion: implication of cholesterol and host cell microdomains. Intern. J. Parasit. 37:1431-41, 2007 With F.Y. Maeda, R.M. Alves, C. Cortez & F.M.Lima. Characterization of the infective properties of a new genetic group of Trypanosoma cruzi associated with bats. Acta Tropica 120:231-7, 2011 With N.O. Martins, R.T. Souza, E.M. Cordero, D.C. Maldonado, C. Cortez et al. Molecular characterization of a novel family of Trypanosoma cruzi surface membrane proteins (TcSMP) involved in mammalian host cell invasion. PLos Neglected Tropical Diseases 9:4216, 2015