Enrique V. Zappi
Enrique Vicente Zappi Perelli, Argentine organic chemist (Buenos Aires 03 August 1890 – Buenos Aires 1979) ACHIEVEMENTS With Jorge Magnin proposed Dragendorff procedure for extraction of alkaloids from animal matter in Annal. Soc. Quim. Arg. 1:327-61, 1913 Procedimiento general para la preparación del acido cloroplatinico y de los cloruros de oro y de paladio. Anal.Asoc.Quim.Arg 3-4:, 1915. First prepared heterocyclic compounds with arsenic as heteroatom (1915) independently of German chemists Grütner & Wernik Uber eine neue heterogene kette mit Arsen im Kern: das methylarsepedin (Cyclopentaniethylenmethylarsin). Bull.Soc.Chim. (4) 19:290-300, 1916 With Juan L. Landaburu. Sur de nouveaux sels de la As-dimethylarsépédine. Bull.Soc.Chim. (ser.4) 23:324-6, 1918. With Adolfo T. Williams. Un Nuevo reactivo general de la forma enolica, el nitrato mercurioso. Anal.Asoc.Quim.Arg. 19(105-6):199, 1931. With Juan F. Salellas. Contribution a La connaissance de nouveaux dérivés arseniés aromatiques (1936) With A.C. DeGiorgi. Sur quelques nouveaux derives fluorés aromatiques. Bull. Soc. Chim. 5:1441-6, 1938 With Alice Manini. New general reaction for enolic forms: mercurious nitrate. Mechanism of the reaction. Anal. Asoc.Quim. Arg. 126:89-105, 1938. With Rafael A. Labriola. Un nuevo radical libre y coloreado derivado del cianógeno. Anal. Asoc.Quim. Arg. 126:370, 1938. With Jorge O. Deferrari. Sobre algunas nuevas ciafeninas halogenadas. Anal.Asoc.Quim.Arg. 34:146, 1946. With Jorge O. Deferrari. Sobre algunos nuevos compuestos organicos con iodo polivalente. Anal.Asoc.Quim.Arg. 34:153-7, 1946 With A. Mainini. Diferenciación rápida del cianuro de plata en presencia de los halogenuros de plata Soporte para tubos de punto de fusión EPONYMY Zappi method for preparing chlorplatinic acid (1915) Magnin-Zappi method for isolating alkaloids (1925) Zappi reaction Zappi reagent (mercurious nitrate) 1931 Zappi test for enolic hydroxyl
Elias Ayres Guidetti Zagatto
Elias Ayres Guidetti Zagatto, Brazilian analytical chemist (Piracicaba, São Paulo State 25 September 1948 – Authored many innovations to flow injection analysis (FIA) with about 12,000 citations (in according to Google Academics) His paper, with M.F. Giné & B.F. Reis. Simultaneous determination of nitrate and nitrite by flow injection analysis. Anal. Chim. Acta 114:191-7, 1980 held about 3,500 citations INNOVATIONS INTO FLOW INJECTION ANALYSIS (FIA) With E. Hansen & J. Ruzicka proposed the utilization of potentiometric detection in FIA systems (1977) With F.J. Krug, H. Bergamin Filho & S.S. Jorgensen introduced turbidimetry (1977) With H. Bergamin Filho, B.F. Reis & J.X. Medeiros introduced liquid-liquid extraction in flow injection analysis (1978) With B.F. Reis, F.J. Krug & H. Bergamin Filho introduced the concept of zone merging for saving reagents (1978) With B.F. Reis, F.J. Krug & H. Bergamin Filho introduced isothermal distillation or membraneless gas diffusion (1979) With F.G. Krug, H. Bergamin Filho, S.S. Jorgensen & B.F. Reis introduced flame atomic absorption spectrometry (FAAS) (1979) With B.F. Reis, A.O. Jacintho & H. Bergamin Filho first used solid phase extraction in flow injection analysis (1980) With B.F. Reis, A.O. Jacintho & H. Bergamin Filho introduced the ion exchange resin in flow injection analysis (1980) With B.F. Reis, A.O. Jacintho & H. Bergamin Filho introduced automatic injector (1980) With B.F. Reis, A.O. Jacintho, H. Bergamin Filho, F.J. Krug, R.E. Bruns & B.R. Kowalski introduced inductively coupled plasma optical emission spectrometry or ICP-OES (1981) With B.F. Reis, A.O. Jacintho, F.J. Krug, Mortatto & Pessenda proposed the sampling zones (1981) With F.J. Krug, M.F. Giné, J.R. Ferreira, A.O. Jacintho proposed the zone trapping (1983) With F.J. Krug & H. Bergamin Filho introduced commutation (1986) With H. Bergamin Filho, A.R.A. Nogueira & J.L.F.C. Lima introduced the concept of multi-site detection (1992) With H. Bergamin Filho, S.M.B. Brienza, M.A.Z. Arruda, A.R.A. Nogueira & J.L.F.C. Lima proposed the detector releasing (1992) With B.F. dos Reis, M.F. Giné, J.L.F.C. Lima & R.A.S. Lapa proposed the binary sampling and multicommutation (1994) With J.L.F. C. Lima, R.A.S. Lapa & R.S. Honorato developed flow batch analysis (1999) With R.A.S. Lapa, J.L.M. Santos e B.F. Reis proposed the multi-pumping (2002) OTHERS First to propose the exploitation of aqueous biphasic extraction in flow analysis With C.I.C. Silvestre, S. Rodrigues, J.L.M. Santos & J.L.F.C. Lima. Exploitation of a single interface flow system for on-line aqueous biphasic extraction. Talanta 81(4-5):1847-51, 2010 Proposed reactor replacements as means for realizing sample residence times in FIA With M.A.Z. Arruda & N. Maniasso. Kinetic determination of cobalt and nickel by flow-injection spectrophotometry. Anal. Chim. Acta 283(1):476-80, 1993 Proposed volumetric fraction as a new index to describe the composition of any fluid element in a flow injection system With B.F. dos Reis & H. Bergamin Filho. The concept of volumetric fraction in flow-injection analysis. Anal. Chim. Acta 226(1):129-36, 1989 With F.J. Krug & H. Bergamin Filho first to observe Schlieren effect (1977) SOME METHODS / SYSTEMS / STRATEGIES / DEVICES (about 120 contributions) With H. Bergamin Filho, M. Martinelli & M.A.Z. Arruda. A new approach for wide-range flow injection spectrophotometric determination of cobalt in livestock mineral supplements. Quim. Anal. 8:153-61, 1989 With F.J. Krug, H. Bergamin Filho, E.C. Arruda & C.A. Coutinho proposed a electrolytic cell for anodic electrodissolution processes into flow injection systems and a process of anodic electrodissolution processes into flow injection system for determination of soluble elements in steel (1986) With H. Bergamin Filho, O. Bahia Filho & M.F. Giné. A simple procedure for hydrodynamic injection in flow injection analysis applied to the atomic absorption spectrometry of chromium in steels. Anal. Chim. Acta 181:265-70, 1986 With H. Bergamin Filho, A.O. Jacintho & Mortatti. An improved flow injection determination of nitrite in waters by using intermittent flows. Anal. Chim. Acta 120:399-403, 1980 With H. Bergamin Filho & B.F. Reis. A new device for improving sensitivity and stabilization in flow injection analysis. Anal. Chim.Acta 97:427-31, 1978 BRAZILIAN PATENTS With I.L.T. Dias, T.D.Z. Atvars, L.T. Kubota & A.B.Moreira. Método de determinação direta de paracetamol em amostras farmacêuticas pulverizadas por espectroscopia de fluorescência PI0504496-0 A2 (2005) With H. Bergamin Filho, F.J. Krug, C.A. Coutinho & E.C. Arruda. Analisador rápido de alumínio solúvel no aço (1987) With H. Bergamin Filho, F.J. Krug & USIMINAS. Eletrodissolução anódica em sistema FIA (1986) (anodic electro dissolution in flow injection analysis system)
Eduardo Hector Zarantonello
Eduardo Hector Zarantonello Lanari, Argentine mathematician (Buenos Aires 04 June 1918 – Mendoza 13 January 2010) Son of Italian immigrants With G. Birkhoff wrote Jets, Wakes and Cavities (1957), a classical book on advanced topics of theoretical hydrodynamics INTRODUCED A constructive theorem for the equations of flows with free boundaries (1950) Monotone operators (1960) independent from Kachurovsky (1960) & Minty (1962) Monotone maps (1960) independent from Vainberg & Kachurovsky Generalized projection operator Concept of numerical range of non-linear Hilbert space operators (1964) EPONYMY Zarantonello inequality Zarantonello theorem (1960) Zarantonello numerical range Zarantonello condition
Eduardo Alfredo Zancolli
Eduardo Alfredo Zancolli Pomares, Argentine surgeon (Chivilcoy, Buenos Aires Province 23 May 1924 – Recognized throughout the world as being the highest authority in hand surgery Authored Atlas of surgical anatomy of the hand (1991) & Structural and dynamic basis of hand surgery Presented the complete transfer of great pectoral muscle with its extended tendon as a new criterion for arthropathy of rotator cuff (2010) With H.J. Mitre introduced the term bipolar transfer TECHNIQUES/METHODS Presented the posterior interosseous free flap for hand reconstruction or reverse pedicle posterior interosseous arterial flap (1985) With C. Angrigiani. Colgajo anterior de antebrazo “en isla” (Pedículo de vasos interóseos posteriores). Rev. Asoc. Arg. Ortop. Traumatol. 51(2):161, 1986 Described volar translocation of the radial lateral band for surgical correction of flexible swan-neck deformity (1975) With H.J. Mitre developed bipolar latissimus dorsi transfer to restore elbow flexion (1973) Developed Zancolli operation for tendon transfer of biceps Paralytic supination contracture of the forearm. J. Bone Joint Surg. Ann 49:1276, 1967 With H.J. Mitre, M. Bick, G. Dabbah & R.A. Troiano. Intercapsulo-cleidothoracic disarticulation. Indications and technic. Prensa Med. Arg. 52(16):1122-6, 1965 Proposed Zancolli technique for thumb reconstruction Transplantation of the index finger in congenital absence of the thumb. J. Bone Joint Surg. 42(4):658-60, 1960 Claw-hand caused by paralysis of the intrinsic muscles. A simple surgical procedure for its correction. J. Bone Joint Surg. 39 A:1076-80, 1957 Cirurgia de la mano. Un nuevo método de corrección en la contractura congenita de los músculos flexores digitales (alargamiento intertendinoso). La Prensa Med. Arg. 44:279, 1957 Epiphysioloysis of the hip or coxa vara of adolescents in the state of accentuated separation: operative technique and results. Sem. Med. 110(25):847-54, 1957 With J. Carrascosa & J. di Paoli. Method of radiological examination of the coccyx. Prensa Med. Arg. 43(50):3686, 1956 With A.O. Calzaretto, A. Spadafora & J.M. Corizzo. Indications and technic of bone block between the first two metacarpals. Prensa Med. Arg. 40(41):2765-9, 1953 New technic for correction of congenital contractures of the digital flexor muscles: intertendineous lengthening EPONYMY Zancolli lassos procedure Zancolli capsulodesis Zancolli suspension-interposition arthroplasty Zancolli operation or capsuloplasty Zancolli nailing method for percutaneous osteodesis Zancolli operation in obstetrical brachial plexus palsy Zancolli technique for palmar capsulodesis of the metacarpophalangeal joint Zancolli technique of MP joint capsuloplasty Zancolli technique of lengthening of the latissimus dorsi tendon Zancolli procedure of ulnar nerve palsy Zancolli procedure for treatment of cubital and mediocubital claw hand (with G. Dabbah) Zancolli procedure in tetraplegia Zancolli procedure of transfemoraminal ligaments Zancolli procedure of transosseous fixation Zancolli method of lateral band tenodesis Haines-Zancolli test Zancolli capsulotomy flexion Zancolli lateral slip
Dmytro Zajciw
Dmytro Zajciw, Ukrainian-born Brazilian entomologist (Velyka Mykhailivka 17 February 1897 – Rio de Janeiro December 1976) DESCRIBED COLEOPTERA GENERA Adesmoides 1967 Allodemus 1962 Allopeplus 1961 Catoptronotum 1959 Chariergodes 1963 Chevrolatella 1969 Chlorotherion 1962 Cosmisomopsis 1960 Cyrtinacantha 1970 Dihammaphoroides 1967 Dioridium 1961 Erythrochiton 1957 Eurymeropsis 1960 Hephaestioides 1961 Hesperophanoschema 1970 Hesperophymatus 1959 Lathusia 1959 Liostola 1962 Methioeme 1963 Micropelta 1961 Mielkea 1965 Mimochariergus 1960 Moureana 1967 Necydaliella 1960 Neozodes 1958 Olexendrella 1959 (in honor to his wife Olexandra) Oxyommata 1970 Paracalydon 1961 Paramphionte 1964 Paratessaropa 1957 Pseudobeta 1972 Pseudoeriphus 1961 Pseudogrammopsis 1960 Pseudomallocera 1961 Purpuricenopsis 1968 Rhomboidederes 1963 Seabraia 1958 Seabriella 1960 Tricheurymerus 1961 Tumiditarsus 1961
Diego Estanislao Zavaleta
Diego Estanislao Zavaleta Linares, Argentine surgeon (Salta 08 May 1904 – Buenos Aires 09 November 1989) Developed techniques for repair using skin grafts and ventral hernia repair With E. Marino introduced omental flaps in breast augmentation (1963) With J.V. Uriburu developed a procedure to repair hernias using free full-thickness grafts (1950) CONTRIBUTIONS/BIBLIOGRAPHY Breast biopsy. Surgical approach and technic for reaching the mammary nodules. Prensa Med. Arg. 55(8):386-8, 1968 With S.G. Perera & A.R. Suarez. Left pancreatectomy: method and technic. Prensa Med. Arg. 53(38):2041-5, 1966 With R.F. Bun, J.A. Solian & E. Bresan. Costal relaxing incisions in the treatment of massive supraumbilical eventrations. Prensa Med. Arg. 52(21):1349-52, 1965 With H.G. Gugliotella & J. Alberti. Juxtacardial gastric ulcer. Procedure for reestablishment of gastrointestinal continuity. Prensa Med. Arg. 52(6):941-6, 1965 With E. Marino. Radical neck dissection. Surgical anatomy considerations and technique. Prensa Med. Arg. 50:919-24, 1963 With J.V. Uriburu. Procedure for the treatment of eventrations. Prensa Med. Arg. 38(35):2187-91, 1951 DEVELOPED SURGICAL APPARATUSES Zavaleta-Bueno operating table for high surgery Zavaleta-Bueno giant auto static separator for abdominal operations A separator for great vessels A cephalic dispositive for operations on face, neck and chest A probe for papillotomy