Thamarapu Vedanta Desikachary
Thamarapu Vedanta Desikachary, Indian phycologist (Tirupati, Chittoor District, andhra Pradesh State 18 September 1919 – Melbourne, Australia 05 November 2005) DESCRIBED ALGAE GENERA Bacillariophyceae Neofragilaria 1987 with Prasad & Prema Pinnulariosigma 1989 with Raja Rao & Sridharan Spinodiscus 1986 with Ranjitha Devi Chlorophyceae Iyengariomonas 1965 Schilleriomonas 1976 Prasinophyceae Mantoniella 1972 Papenfussiomonas 1972 Cyanophyceae Camptylonemopsis 1948 Iyengariella 1953 Mastigocladopsis 1946 with Iyengar Fossil Algae Bukryella 1996 with Prema Palaeonostoc 1972 with Sastri & Venkatachala Quadrodiscus 1990 with Prema Rossiella 1958 with Maheshwari HONORS Desikacharyella Subramanian 1984 (Rhodophyceae) Desikaneis Prasad 1993 (Bacillariophyceae) Desikacharya Saraf, Dawda & Singh 2019 (Bacteria)
Sukh Dev
Sukh Dev Lala, Indian organic chemist (Chakwal, today Pakistan 17 June 1923 – Authored about 400 publications Proposed the absolute stereochemistry biogenetic rule and the rule that claims that exotic biological materials tend to produce exotic secondary metabolites Enunciated the concept of steric diversion First to study in a systematic manner organic reactions in a solid matrix Discovered several new structural types in terpenoids Isolated and determinated the stereostructures of new complex molecules such as himachalenes, cuparenones, kodocytochalasins and guggulsterones With U.R. Nayak discovered the longicyclene, the first tetracyclic sesquiterpene (1963) With H. Khan, A. Zaman, G.L. Chetty & A.S. Gupta discovered cheilanthatriol, the first sesterterpene with the triterpene type ring-closure (1971) Discovered bakuchiol, the first meroterpene derived from C8+C10 pathway Discovered the guggultetrols, a new class of lipids With A. Chawla obtained a new class of triterpenoids from Ailanthus malabarica (1967) Developed new products as Guggulipid (hypocholesterolemic drug) METHODS/INNOVATIONS Devised several methods for synthesis and characterization of non-benzenoid aromatic systems and proposed novel systems with potential aromatic character With A.S. Gupta first to introduce the use of silver nitrate-silica gel for thin-layer chromatography of olefins (1962) Improved Lindlar catalyst for semihydrogenation of acetylenes Developed a molybdenum oxide based Raney nickel catalyst for hydrogenation of glucose to sorbitol Developed a copper-nickel-manganese catalyst for the hydrogenation of cyclohexanones to phenols With J.S. Yadav & H.P.S. Chawla. Cleavage of homoallylic alcohols, a novel fragmentation reaction. Tetrahedron Lett. 201, 1977 With M.C. Desai, C. Singh & H.P.S. Chawla. A novel method for functionalization of C-4methyl in terpenoids. A synthesis of cycloeucalanone. Tetrahedron Lett. 5047, 1979 With V.H. Kapadia, R. Seshagiri Rao & M.Y. Ansari discovered that the alkaloid colchicine could be sourced from Iphigenia stellate for commercial purposes (patented in 1971) PATENTS 55 LINKS http://www.arkat-usa.org/get-file/19562/
Silvio Dessy
Silvio Dessy, Italian-born Argentine bacteriologist (Dego, Savona Province 31 May 1869 – Buenos Aires 15 July 1951) Developed Dessy vaccine, a polivalent typhoid vaccine (1903) and Denys-Dessy vaccine for tuberculosis With F.L. Grapiolo & V. Fossati. Nueva vacina contra la fiebre tifoide: notas experimentales y clinicas. Semana Med. 23:357, 1914 With R.A. Marotta introduced the treatment of actinomycosis using tuberculin His son, Jorge Dessy Moro, bacteriologist and immunologist (La Plata 1900 – ?) Developed chromobacteriostatic tests for identifying microorganisms With A. Montenegro & A. Durante. Nuevo tratamiento de la epilepsia y estados afines con isotopos radioactivos organicos. Semana Medica 3075:807-10, 1952
Shaojun Dong
Shaojun Dong, Chinese electrical chemist (Shandong, Qingdao Province 26 June 1931 – Gained wide recognition in the field of analytical electrochemistry Authored over 450 papers ACHIEVEMENTS Improved the separation of rare earths by electrolysis (1959) Gave important studies on chemical modified electrodes Proposed a new production method of chemical modified electrodes Developed a variety of new types of chemical modified electrodes Developed an electrochemical sensor which aroused widespread interest at international level Proposed a new light transmission method of electrode interface reaction Improved significantly the detection, sensitivity and efficiency of spectroelectrochemical methods Proposed the ultrafine modified electrode electrocatalytic theory and its experimental methods Reported the porphyrin-modified activated carbon for electrochemical sensors (1981) SOME METHODS/TECHNIQUES With K. Wang, D. Fan & Y. Liu. Cascade multiple amplification strategy for ultrasensitive detection of HIV/HCV virus DNA. Biosens. Biolect. 87:116-21, 2017 With D. Fan, Q. Zhai, W. Zhou, X. Zhu & E. Wang. A label-free colorimetric aptasensor for simple sensitive, and selective detection of Pt(II) based on platinum (II)-oligonucleotide coordination induced gold nanoparticles aggregation. Biosens. Biolect. 85:771-6, 2016 With C. Liu, Z. Li, D. Jiang, J. Jia, Y. Zhang et al. Demonstration study of biofilm reactor based rapid biochemical oxygen demand determination of surface water. Sens. Bio-sens. Res. 8(1):8-13, 2016 With X. Zhang, Y. Han & L. Huang. 3D Graphene aerogels decorated with cobalt phosphide nanoparticles as electrocatalysts for the hydrogen evolution reaction. Chem. Sus. Chem 9(21):3049, 2016 With D. Yong, C. Liu, C. Zhu et al. Detecting total toxicity in water using a mediated biosensor system with flow injection. Chemos. 139:109, 2015 With Q. Wang, Z. Zhou, Y. Zhai et al. Label-free aptamer biosensor for thrombin detection based on functionalized grapheme nanocomposites. Talanta 141:247, 2015 With L., Liu, L. Bai, D. Yu & J. Zhai. Biochemical oxygen demand measurement by mediatot method in flow system. Talanta 138:36, 2015 With J. Han, Q. Wang, J. Zhai & L. Han. An amperometric sensor for detection of tryptophan based on a pristine multi-walled carbon nanotube/grapheme oxide hybrid. Analyst 140(15):5295-300, 2015 With C.Z. Zhou & S. Gu. Rapid, general synthesis of Pd Pt bimetallic alloy nanosponges and their enhanced catalytic performance for ethanol/methanol electrooxidation in an alkaline medium. Chem. Europ. J. 19(3):1104-11, 2013 With L. Jin, L. Shang, S. Guo et al. Biomolecule stabilized-Au nanoclusters as a fluorescence probe for sensitive detection of glucose. Bios Bioeletr. 26(5), 2011 With Y. Guo & J. Li. Hemin functionalized grapheme nanosheets-based dual biosensor platforms for hydrogen peroxide and glucose. Sensors Act. 160(1), 2011 With T. Li & E. Wang. A grafting strategy for the design of improved G-quadruplex aptamers and high-activity DNAzymes PATENTS (11; incomplete) With E. Wang & X. Sun. Method for preparation of poly(ophenynediamine) Nano-belt US7101961B2 & US20050277757 A1 With C. Liu. Method for detecting biochemical oxygen demand WO2013152474 & US20140326617
Shailendra Mohan Das
Shailendra Mohan Das, Indian ecologist and limnologist (Dehradun September 1909 – 1999) DESCRIBED MARINE TAXA Ecteinascidia bombayensis 1939 (Tunicata) Herdmania ennurensis 1940 (Dinoflagellata) Metafolliculina elongata 1949 (Protozoa: Ciliophora) SOME BIBLIOGRAPHY Nervous mechanism in Tunicata. Nature 162:963, 1948 Receptor organs in Tunicata. Nature 162:1000, 1948 With S.K. Moitra. Studies on the food of some common fishes of Uttar Pradesh, India. I. The surface-feeders, the midfeeders and the bottom feeders. Proc. Nat. Acad. Sci. India 25 B:1-6, 1955 With V.K. Srivastava. Some new observation on plankton from freshwater ponds and tanks at Lucknow. Sci. Cult. 21:466-7, 1956 With D.B. Saxena. Circulation in the respiratory region of fishes Labeo rohita and Ophiocephalus striatus. Copeia 7, 1958 High altitude fisheries with special reference to Kashmir. Curr. Sci. 29:220, 1960 Hydrogen concentration and fish in fresh water eutrophic lakes of India. Nature, 1961 With H.A. Khan. The pituitary and pisciculture in India with an account of the pituitary of some Indian fishes and a review of technique and literature on the subject. Ichthyology 1-2:43-58, 1962 Palaearctic elements in the fauna of Kashmir. Nature 212:1-6, 1966 Studies on the gonads and fecundity of food fishes of Kashmir. Proc. Natn. Acad. Sci. 8:111-20, 1967 With A. A. Shaw. Studies on the parasitic protozoa of domestic animals of Kashmir. Kashmir Science 5(1-2):238-42, 1968 Pollution in high altitude lakes. Sci. Cult. 236-44, 1978 With J. Pande. Some physic-chemical and biological indicators of pollution in Nainital Lake, Kumaon, Uttar Pradesh. Ind. Ecol. 5(1):7-16, 1978 A study on the fecundity of some fresh water fishes of India with note on a new concept of comparative fecundity. Ichthtyology 3:33-6, 1984 HONORS Dasella Lebour 1946 (Crustacea)
Severo Díaz Galindo
Severo Díaz Galindo, Mexican mathematician, astronomer, meteorologist and geographer (Sayula, Jalisco State 08 November 1876 – Guadalajara 14 September 1956) Introduced a number of modifications in scientific equipment Discovered a new comet Discovered certain flames in Jupiter comparables to that of Venus (1902)