21. MDO - Nobel Laureate Honored With Alumnus Award - 05/28/1999 nobel laureate louis J. ignarro, who earned a doctorate in pharmacology from theUniversity in 1966, received the Shideman Distinguished Alumnus Award on http://www.mndaily.com/daily/1999/05/28/news/nobel/

MAY 28, 1999 NEWS Nobel laureate honored with alumnus award Tammy J. Oseid Staff Reporter N obel laureate Louis J. Ignarro, who earned a doctorate in pharmacology from the University in 1966, received the Shideman Distinguished Alumnus Award on Thursday. Frederick E. Shideman, for whom the award was named, was Ignarro's thesis adviser. About 350 people attended the ceremony at the Mayo Memorial Auditorium. Ignarro, a pharmacology professor at the University of California-Los Angeles, won the 1998 Nobel Prize in Physiology or Medicine for his work with nitric oxide. His work led to the development of the anti-impotence drug Viagra. Shideman died in 1988, but his widow, Margaret Shideman, presented the award to Ignarro. "I know Frederick is out there somewhere beaming with pride," she said. "It's so nice to have one of our own come back as a Nobel laureate." Ignarro called Shideman his mentor and credited him with a great deal of his success. He said Norman E. Sladek, his roommate during his doctoral studies, told him, "Louie, who woulda thunk it back in '62?" Sladek, now a professor of pharmacology at the University, said he wished he would have known Ignarro would win a Nobel Prize so he could have been nicer to him.

22. MDO - Photo Nobel Laureate Honored With Alumnus Award - 05/28/ louis J. ignarro, a University alumnus who won the 1998 nobel Prize for his workwith nitric oxide, spoke Thursday afternoon in Mayo Memorial Auditorium. http://www.mndaily.com/daily/1999/05/28/news/nobel/p1nobel.html

Photo/ Sean McCoy Louis J. Ignarro, a University alumnus who won the 1998 Nobel Prize for his work with nitric oxide, spoke Thursday afternoon in Mayo Memorial Auditorium. Ignarro explained his research, which led to the anti-impotence drug Viagra, to an audience of about 350. SEE STORY PAGE 4 Keyword Search The Minnesota Daily

23. NOBEL PRIZE: Medicine nobel Prize in Physiology or Medicine official site; Robert F Furchgott Department of Pharmacology at SUNY, Brooklyn; Professor louis J. ignarro http://www.cnn.com/SPECIALS/1998/nobel/medicine/

MAIN PAGE WORLD africa americas ... news quiz CNN WEB SITES: TIME INC. SITES: Go To ... Time.com People Money Fortune EW MORE SERVICES: video on demand video archive audio on demand news email services ... pointcast DISCUSSION: message boards chat feedback SITE GUIDES: help contents search FASTER ACCESS: europe japan WEB SERVICES: Keyword Title Author MAIN PEACE CHEMISTRY ECONOMICS ... LAUREATE LOCATOR Cardiovascular discovery carries potent news Robert Furchgott Louis Ignarro Ferid Murad (CNN) The Nobel Prize in physiology and medicine went this year to three U.S. scientists whose discovery helped pave the way for the wildly popular anti-impotence drug Viagra. The $978,000 prize, awarded by Sweden's Karolinska Institute, is to be divided equally among Robert Furchgott of the State University of New York in Brooklyn; Louis Ignarro of the University of California-Los Angeles; and Ferid Murad of the University of Texas Medical School in Houston. Through collective research efforts, the trio discovered that the body uses nitric oxide a colorless gas long believed to be just a common air pollutant to regulate blood vessels. How the discovery was made In 1977, Murad, a Houston medical doctor and pharmacologist, discovered that nitroglycerin and other related compounds that dilate blood vessels release nitric oxide. The nitric oxide, or NO, relaxes smooth muscle cells, he found.

24. Anodyne Infrared Therapy - Nitric Oxide - Nobel Prize - Medicine the Karolinska Institute in Stockholm, Sweden, has awarded the nobel Prize in Physiologyor Medicine for 1998 to Robert F Furchgott, louis J ignarro and Ferid http://www.medassistgp.com/anodyne5.html

25. Gazeta.pl : Czasopisma : Wiedza I ¯ycie ULOTNY nobel. Wyniki przedstawil podczas konferencji, na której trzeci tegorocznylaureat, louis J. ignarro, oglosil taka sama wiadomosc. http://www.wiedzaizycie.pl/99022600.htm

+ Og³oszenia Gazeta Wyborcza Wiedza i ¯ycie Poprzednie numery ... Wiedza i ¯ycie Sobota , 19 kwietnia 2003 Obecnie w sprzeda¿y Numer 4/2003 * Pigu³ka gwa³tu: nowe narzêdzie zbrodni, * Szarañczaki atakuj± Amerykê * Jak powstawa³y pierwsze miasta + wiêcej ... + wiêcej W nastêpnym numerze: > Bogus³aw Wo³oszañski: Sensacje XX wieku > Sze¶æ tajnych regu³ Bractwa Ró¿okrzy¿a > Na ³yk tlenu - do lasu czy do baru > Matematyka t³umaczy g³ód w Chinach > P³yta w prezencie: "Makrokosmos" - jak powstawa³ kinowy przebój Informacje niesprawdzone przestarza³e zbyteczne ... LIGA NAUKOWA Po raz drugi z "Gazet± Wyborcz±" zapraszamy wszystkich czytelników do wspólnej zabawy. Polecamy na forum Komputery Ksi±¿ki Studia Kalendarium 1 kwietnia 1868 Opatem klasztoru w Brnie zosta³ Gregor Mendel. Awans sprawi³, ¿e nie mia³ on ju¿ wiêcej czasu na swe badania z zakresu dziedziczenia. 3 kwietnia 1849 W Pary¿u zmar³ Juliusz S³owacki. 5 kwietnia 1573 W Warszawie oddano do u¿ytku pierwszy sta³y most na Wi¶le. 9 kwietnia 1981 Miesiêcznik "Nature" opublikowa³ najd³u¿sz± w historii nazwê naukow±. S³owo okre¶laj±ce systemow± nazwê DNA zawartego w ludzkich mitochondriach liczy sobie 207 tys. liter, sam za¶ zwi±zek sk³ada siê z 16 569 nukleotydów. 13 kwietnia 1970 Houston, mamy problem - zameldowali na Ziemiê astronauci ze statku Apollo 13, gdy na pok³adzie wybuch³ zbiornik z p³ynnym tlenem.

26. NOBEL PRIZES louis J. ignarro won nobel prize for his discovery concerning nitric oxideas a signalling molecule in the cardiovascular system. louis J. ignarro. http://www.bioscience.org/urllists/nobel.htm

FRONTIERS IN BIOSCIENCE; NOBEL PRIZES 2000 Nobel prize winner in medicine Arvid Carlsson, Paul Greengard And Eric Kandel jointly won nobel prize for their discoveries in signal transduction in the nervous system ARVID CARLSSON Born: January 25, 1923 Place of birth: Uppsala, Sweden Residence: Sweden Affiliation: Department of Pharmacology, University of Göteborg Medicine Address: Department of Pharmacology University of Göteborg Medicinaregatan 7 Box 431, SE-405 30 Göteborg, Sweden Tel: +46 31-773 34 35 Fax: +46 31-82 17 95 E-mail: arvid.carlsson@pharm.gu.se 2000 Nobel prize winner in medicine Arvid Carlsson, Paul Greengard And Eric Kandel jointly won nobel prize for their discoveries in signal transduction in the nervous system PAUL GREENGARD Born: December 11, 1925 Place of birth: New York, NY, USA Residence: New York, USA Affiliation: Laboratory of Molecular and Cellular Neuroscience, Rockefeller University Address: Laboratory of Molecular and Cellular Neuroscience The Rockefeller University 1230 York Avenue, New York, NY 10021, USA E-mail: greengd@rockvax.rockefeller.edu

27. Best Deal Nutritionals - Physiology Or Medicine For 1998 - Nobel Prize nobel Assembly at Karolinska Institutet awarded the nobel Prize in Physiology orMedicine for 1998 jointly to Robert F. Furchgott, louis J. ignarro and Ferid http://www.bestdealnutritionals.com/shop/press.asp

The 1998 Nobel Prize in Physiology or Medicine THE NOBEL ASSEMBLY AT KAROLINSKA INSTITUTET October 12, 1998 The Nobel Assembly at Karolinska Institutet awarded the Nobel Prize in Physiology or Medicine for 1998 jointly to Robert F. Furchgott, Louis J. Ignarro and Ferid Murad for their discoveries concerning "nitric oxide (NO) as a signalling molecule in the cardiovascular system". NO has been proven to improve sexual performance in both men and women. Summary Nitric oxide (NO) is a gas that transmits signals in the organism. Signal transmission by a gas that is produced by one cell, penetrates through membranes and regulates the function of another cell represents an entirely new principle for signalling in biological systems. The discoverers of NO as a signal molecule are awarded this year's Nobel Prize. Robert F Furchgott Biography ) pharmacologist in New York, studied the effect of drugs on blood vessels but often achieved contradictory results. The same drug sometimes caused a contraction and at other occasions a dilatation. Furchgott wondered if the variation could depend on whether the surface cells (the endothelium) inside the blood vessels were intact or damaged. In 1980, he demonstrated in an ingenious experiment that acetylcholine dilated blood vessels only if the endothelium was intact. He concluded that blood vessels are dilated because the endothelial cells produce an unknown signal molecule that makes vascular smooth muscle cells relax. He called this signal molecule EDRF, the endothelium-derived relaxing factor, and his findings led to a quest to identify the factor.

28. CBS News | Americans Win Nobel For Medicine | December 13, 1999 05:18:45 (AP) Robert F. Furchgott, louis J. ignarro and Ferid Murad of the United Stateswon the nobel Medicine Prize today for discoveries that shed light on the http://www.cbsnews.com/stories/1998/10/12/world/main19746.shtml

Home America At War U.S. World ... CBS News i-Video December 13, 1999 05:18:45 The Early Show CBS Evening News 48 Hours 60 Minutes ... Section Front E-mail This Story Printable Version Americans Win Nobel for Medicine STOCKHOLM, Sweden Winners, generally not known outside the medical community, have made discoveries that sound small on paper but carry large consequences. (AP) Robert F. Furchgott, Louis J. Ignarro and Ferid Murad of the United States won the Nobel Medicine Prize today for discoveries that shed light on the cardiovascular system. They discovered how nitric oxide acts as a signal molecule for the body's blood vessels, a breakthrough with applications ranging from hardening of the arteries to impotence. Understanding how nitric oxide transmits the signals has sparked research on a wide range of new drugs, including those that can be used in the treatment of heart problems, atherosclerosis, shock and impotence. Louis J. Ignarro Because of their work, "we know today that nitric oxide acts as a signal molecule in the nervous system, as a weapon against infections and as a regulator of blood pressure," said the citation from the Karolinska lnstitute.

29. Contenido Home Translate this page 1998, Robert F. Furchgott, louis J. ignarro y Ferid Murad, Descubrimiento del óxidonítrico (ver en página de internet de la revista El Premio nobel 1998). http://www.antioxidantes.com.ar/12/Art038.htm

Comentario editorial Visita del profesor Louis Ignarro, Premio Nobel de Medicina a la Argentina. Louis Ignarro Auspiciado por Laboratorios Bagó, el Dr. Louis Ignarro Premio Nóbel por sus investigaciones en óxido nítrico o NO (ver El Premio Nóbel 1998 en esta página de Internet), llegó a esta zona del Río de la Plata. Proveniente de Montevideo, donde visitó el Laboratorio del Profesor Rafael Radi y su equipo en el Departamento de Bioquímica de la Facultad de Medicina, el profesor Ignarro llegó a Buenos Aires el 10 de Noviembre y permaneció en esta ciudad durante tres días. En una cargada agenda de actividades, Ignarro participó de diversos encuentros sociales y científicos. Entre estos últimos visitó el Laboratorio del Oxígeno del Dr. Juan Poderoso y su equipo en el Hospital Escuela José de San Martín y dio una conferencia en el aula magna de la Facultad de Medicina de la UBA. Es sobre esta última actividad que dedicaremos los siguientes párrafos. El conocimiento del óxido nítrico se remonta a 1000 años antes de JC, ya que algunas civilizaciones agregaban nitrato de calcio a la carne para su mejor preservación.

30. Premio Nobel De Medicina - Wikipedia Translate this page Ver enlace http//www.nobel.se/medicine/laureates/index.html. Eric R Kandel 1999Günter Blobel 1998 Robert F. Furchgott, louis J. ignarro, Ferid Murad 1997 http://es.wikipedia.org/wiki/Premio_Nobel/Medicina

Portada Cambios Recientes Edita esta página Historia Páginas especiales Preferencias de usuario Mi lista de seguimiento Cambio Recientes Subir una imagen Lista de imágenes Usuarios registrados Estadísticas del sitio Artículo aleatorio Artículos huérfanos Imágenes huérfanas Artículos populares Artículos más solicitados Artículos cortos Artículos largos Artículos nuevos Todas las páginas (alfabético) Direcciones IP bloqueadas Página de mantención Fuentes externas de libros Versión para imprimir Discusión Registrase/Entrar Ayuda Premio Nobel de Medicina (Redirigido desde Premio Nobel/Medicina Ver enlace: http://www.nobel.se/medicine/laureates/index.html Leland H. Hartwell R. Timothy Hunt Paul M. Nurse ... Harold E. Varmus Sir James W. Black Gertrude B. Elion George H. Hitchings Susumu Tonegawa ... Barbara McClintock for transposon work. Sune K. Bergström Bengt I. Samuelsson John R. Vane Roger W. Sperry ... Earl W. Sutherland, Jr. Sir Bernard Katz Ulf von Euler Julius Axelrod Max Delbrück ... Feodor Lynen Sir John Carew Eccles Alan Lloyd Hodgkin Andrew Fielding Huxley Francis Harry Compton Crick ... Georg von Békésy Sir Frank Macfarlane Burnet Peter Brian Medawar Severo Ochoa Arthur Kornberg ... Dickinson W. Richards

31. Nobel Laureate To Speak At WVU Friday louis ignarro, Ph.D., honored in 1998 for nitric oxide research. MORGANTOWN, W.Va.– louis J. ignarro, Ph.D., who won the nobel Prize in Medicine for research http://health.wvu.edu/newsreleases/03060.htm

For More Information: Bill Case, HSC News Service, (304) 293-7087 casew@rcbhsc.wvu.edu Nobel Laureate to Speak at WVU Friday Louis Ignarro, Ph.D., honored in 1998 for nitric oxide research MORGANTOWN, W.Va. – Louis J. Ignarro, Ph.D., who won the Nobel Prize in Medicine for research into the role of nitric oxide as a signaling molecule in the cardiovascular system, will speak Friday, April 11, at noon in the Hostler Auditorium at West Virginia University’s Robert C. Byrd Health Sciences Center. Dr. Ignarro, a professor of molecular pharmacology at the University of California (UCLA) School of Medicine, was one of three scientists honored in 1998 by the Nobel committee for identifying the common chemical as an important means of messaging among the body’s cells. The discovery led to the development of many powerful new drugs to treat heart and lung diseases, cancer and impotence – including such common medications as Viagra. It also clarified how a century-old heart medicine, nitroglycerin, reduces chest pain by releasing nitric oxide gas in the body. Ignarro’s presentation, “The Road to Stockholm: A Nobel Mission,” is part of WVU’s Health Sciences Research Day. It will be followed at 2:30 p.m. by a reception and poster displays of WVU health research at the Erickson Alumni Center. Both events are free and open to the public.

32. Biochemistry For Medicine Scientific American article about Robert F Furchgott, Ferid Murad and louis J ignarro,who won the nobel Prize for Medicine in 1998 for their discovery of the http://biochem.otago.ac.nz/meds/cardiosites.htm

Links Back to the cardiovascular page. Click on the graphic to go to the site (it will open in a new window): The University of Connecticut Health Centre's online pathology museum. A comprehensive site containing images and descriptions of the normal and diseased cardiovascular system. The Heart: An Online Exploration, rather basic, but worth a look, some movies etc. A Historical Perspective of Hemodynamics, NOT basic, complicated in fact. Interesting, but not for the faint-hearted. West Virginia Health Page "Heart". More for the patient than the health professional, but quite a lot of good, basic stuff. The Cardiovascular System, a student project by Nolan Yeung, Dung Ly, Dermott Cooke and Michael Prange at North Carolina State University . Scientific American article about Robert F Furchgott, Ferid Murad and Louis J Ignarro, who won the Nobel Prize for Medicine in 1998 for their discovery of the role of nitric oxide in cell signalling. Karolinska Institutet, Press Release October 12, "1998 The Nobel Assembly at the Karolinska Institute has today decided to award the 1998 Nobel Prize in Physiology or Medicine jointly to Robert F Furchgott, Louis J Ignarro and Ferid Murad for their discoveries concerning "nitric oxide as a signalling molecule in the cardiovascular system"". Don't follow the link to the animation - it'll take forever to download. The next link down is a local copy of the same thing.

33. Press Release: The Nobel Prize In Physiology Or Medicine For 1998 at the Karolinska Institute has today decided to award the 1998 nobel Prize in Physiologyor Medicine jointly to Robert F Furchgott, louis J ignarro and Ferid http://www.bb.iastate.edu/~bb404/nopriz98.html

Karolinska Institutet Press Release October 12, 1998 The Nobel Assembly at the Karolinska Institute has today decided to award the 1998 Nobel Prize in Physiology or Medicine jointly to Robert F Furchgott, Louis J Ignarro and Ferid Murad for their discoveries concerning "nitric oxide as a signalling molecule in the cardiovascular system" Summary Robert F Furchgott , pharmacologist in New York, studied the effect of drugs on blood vessels but often achieved contradictory results. The same drug sometimes caused a contraction and at other occasions a dilatation. Furchgott wondered if the variation could depend on whether the surface cells (the endothelium) inside the blood vessels were intact or damaged. In 1980, he demonstrated in an ingenious experiment that acetylcholine dilated blood vessels only if the endothelium was intact. He concluded that blood vessels are dilated because the endothelial cells produce an unknown signal molecule that makes vascular smooth muscle cells relax. He called this signal molecule EDRF, the endothelium-derived relaxing factor, and his findings led to a quest to identify the factor. Ferid Murad , MD and pharmacologist now in Houston, analyzed how nitroglycerin and related vasodilating compounds act and discovered in 1977 that they release nitric oxide, which relaxes smooth muscle cells. He was fascinated by the concept that a gas could regulate important cellular functions and speculated that endogenous factors such as hormones might also act through NO. However, there was no experimental evidence to support this idea at the time.

34. Robert F. Furchgott Louis J. Ignarro Ferid Murad Translate this page Robert F. Furchgott (Carolina del Sur, 1916), louis J. ignarro (Nueva York, 1941)y Ferid Murad (Indiana, 1936) son los tres Premio nobel en Fisiología o http://www.jornada.unam.mx/1998/oct98/981019/cien-notas.html

PREMIOS NOBEL 1998 Robert F. Furchgott Louis J. Ignarro Ferid Murad Los estadunidenses Robert F. Furchgott (Carolina del Sur, 1916), Louis J. Ignarro (Nueva York, 1941) y Ferid Murad (Indiana, 1936) son los tres Premio Nobel en Fisiología o Medicina 1998, ``por descubrir que el óxido nítrico (NO) puede ser utilizado para alterar el comportamiento de las arterias y provocar artificialmente un mayor o menor flujo sanguíneo'' en diversos órganos del cuerpo. Los investigadores demostraron que el NO ayuda a mantener el sistema cardiovascular estable, protege el corazón y estimula el cerebro. Además de inhibir la contracción de las células musculares de las arterias, favorecer la dilatación de los vasos sanguíneos, distribuye la sangre, regulariza la presión arterial e impide la formación de trombos (coágulos dentro de un vaso sanguíneo, que provocan trombosis). Daniel Tsui Horst Störmer Robert Laughlin En Física, los galardonados con el Nobel fueron los autores de una investigación conjunta, el efecto Hall fraccional , realizada por el chino Daniel Tsui, de la Universidad de Princeton; el alemán Horst Störmer, de la Universidad de Columbia, y el estadunidense Robert Laughlin, de la Universidad de Stanford. Este fenómeno cuántico significa que ``los electrones actuando juntos en (presencia de) fuertes campos magnéticos, pueden formar nuevos tipos de

35. Ignarro, Louis J. Ludzie nauki. Gazeta.pl Nauka ABC ludzie, Piatek, 14 marca 2003.ignarro, louis J. ZOBACZ TAKZE. • NO i nobel (0611-01, 1247). http://www1.gazeta.pl/nauka/1,34157,524166.html

Aukcje Dom Film Muzyka ... Gazeta Wyborcza poczta czat forum cafe katalog Szukasz przyjació³? Wst±p do CafeGazeta! on error resume next FlashMode = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.4"))) Sub TXHWCSJHJYFCFHKTBAIQUPZYOMWAOKM_FSCommand(ByVal command, ByVal args) call TXHWCSJHJYFCFHKTBAIQUPZYOMWAOKM_DoFSCommand(command, args) end sub Usenet - dyskusje na ka¿dy temat... Gazeta Wyborcza: Kraj ... Zdrowie Raporty Katastrofa Columbii Kasparow kontra Deep Junior Najwa¿niejsze odkrycia naukowe roku 2002 wed³ug "Science" Kongres neurobiologiczny w Orlando ... ABC ludzie Sobota , 19 kwietnia 2003 Ignarro, Louis J. ZOBACZ TAK¯E NO i Nobel 06-11-2001, ostatnia aktualizacja 12-08-2002 18:22 Laureat Nagrody Nobla z medycyny za rok 1998 r e k l a m a on error resume next FlashMode = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.4"))) Sub XGRCATFSKBXSRAIOYGMBTBJUBBCGXS_FSCommand(ByVal command, ByVal args) call XGRCATFSKBXSRAIOYGMBTBJUBBCGXS_DoFSCommand(command, args) end sub Urodzi³ siê w nowojorskiej dzielnicy Brooklyn (USA) w 1941r. W 1962 r. ukoñczy³ Wydzia³ Farmacji na Columbia University. W 1966 r. zosta³ doktorem farmakologii na University of Minnesota. Od 1985 r. pracuje na Wydziale Farmakologii University of California in Los Angeles School of Medicine.

36. Nachrichten Universal Detection Technology Names Nobel Laureate louis J. ignarro, Ph.D. Dr. louis J. ignarro received the nobel Prize in http://www.finanznachrichten.de/nachrichten/artikel-1623198.asp

37. Nobel E-Museum 1999 Günter Blobel. 1998 - Robert F. Furchgott, louis J. ignarro, FeridMurad. More Laureates ». Conflict Map. The nobel Literature Radio. http://nobel.sdsc.edu/

2002 - Raymond Davis Jr., Masatoshi Koshiba, Riccardo Giacconi 2001 - Eric A. Cornell, Wolfgang Ketterle, Carl E. Wieman 2000 - Zhores I. Alferov, Herbert Kroemer, Jack S. Kilby 1999 - Gerardus 't Hooft, Martinus J.G. Veltman ... 1998 - John Hume, David Trimble Find a Laureate Search this site On November 27, 1895, Alfred Nobel signed his last will in Paris, briefly outlining his vision of five prizes for those who during the past year have done humanity the greatest service. The Will - Slide Show Laser Challenge The Transistor Chirality - Chemistry 2001 ... Tell us what you think about this site! Last modified April 18, 2003 The Official Web Site of The Nobel Foundation

38. Nobel Prize In Physiology Or Medicine - Wikipedia Source http//www.nobel.se/medicine/laureates/index.html. B. Prusiner, for the discoveryof prions 1998 Robert F. Furchgott, louis J. ignarro, Ferid Murad http://www.wikipedia.org/wiki/Nobel_Prize/Physiology_or_medicine

Main Page Recent changes Edit this page Page history Special pages Set my user preferences My watchlist Recently updated pages Upload image files Image list Registered users Site statistics Random article Orphaned articles Orphaned images Popular articles Most wanted articles Short articles Long articles Newly created articles Interlanguage links All pages by title Blocked IP addresses Maintenance page External book sources Printable version Talk Log in Help Other languages: Deutsch Dansk Nederlands Polski Nobel Prize in Physiology or Medicine (Redirected from Nobel Prize/Physiology or medicine Emil Adolf von Behring Ronald Ross Niels Ryberg Finsen ... Christiaan Eijkman , Sir Frederick Gowland Hopkins Karl Landsteiner Otto Heinrich Warburg Sir Charles Scott Sherrington Edgar Douglas Adrian Thomas Hunt Morgan George Hoyt Whipple ... Hans Spemann Sir Henry Hallett Dale Otto Loewi Albert von Szent-Györgyi Nagyrapolt Corneille Jean François Heymans ... Herbert Spencer Gasser Sir Alexander Fleming Ernst Boris Chain , Sir Howard Walter Florey Hermann Joseph Muller Carl Ferdinand Cori Gerty Theresa , née Radnitz Cori, Bernardo Alberto Houssay Paul Hermann Müller Walter Rudolf Hess Antonio Caetano De Abreu Freire Egas Moniz ... Dickinson W. Richards

39. Sigma Xi: The Scientific Research Society: News Archive Four members joined this illustrious group in 1998. 1998 nobel Prizein Physiology or Medicine. Robert F. Furchgott and louis J. ignarro. http://www.sigmaxi.org/about/news/archive.19.shtml

Overview Leadership Organization News ... Contact Us News Sigma Xi Center Construction Under Way American Scientist News Sigma Xi Today Newsletters ... Archive Search: Site Map Home News Archive Four Sigma Xi Members Receive 1998 Nobel Prizes Election to Sigma Xi has been an early milestone in many distinguished careers, the first professional honor many young scientists receive in recognition of their potential to make meaningful contributions to research. Many Sigma Xi members have gone on to win major awards. In the Society's history, more than 175 members have received the Nobel Prize. Four members joined this illustrious group in 1998. 1998 Nobel Prize in Physiology or Medicine Robert F. Furchgott and Louis J. Ignarro For their discoveries concerning nitric oxide as a signaling molecule in the cardiovascular system. Robert F. Furchgott , a pharmacologist at the State University of New York Health Science Center in Brooklyn, studied the effect of drugs on blood vessels but often achieved contradictory results. The same drug sometimes caused a contraction and at other times, a dilatation. Furchgott wondered if the variation could depend on whether the surface cells (the endothelium) inside the blood vessels were intact or damaged. In 1980, he demonstrated in an ingenious experiment that acetylcholine dilated blood vessels only if the endothelium was intact. He concluded that blood vessels are dilated because the endothelial cells produce an unknown signal molecule that makes vascular smooth muscle cells relax. He called this signal molecule EDRF, the endothelium-derived relaxing factor, and his findings led to a quest to identify the factor. He was elected to membership in Sigma Xi by the Northwestern University Chapter in 1939.

40. Sigma Xi: The Scientific Research Society: Nobel Laureates About Sigma Xi » Overview » nobel Laureates 1992 Edwin Gerhard Krebs 1994 AlfredG. Gilman 1998 Robert F. Furchgott 1998 louis J. ignarro 1999 Günter http://www.sigmaxi.org/about/overview/nobel.shtml

Overview Leadership Organization News ... Contact Us About: Overview Leadership Organization News Support Sigma Xi ... Contact Us Search: Site Map Home Overview Physics 1907 Albert Michelson 1921 Albert Einstein 1923 Robert A. Millikan 1925 James Franck 1927 Arthur H. Compton 1936 Carl D. Anderson 1937 Clinton J. Davisson 1938 Enrico Fermi 1939 Ernest O. Lawrence 1943 Otto Stern 1944 Isidor Isaac Rabi 1945 Wolfgang Pauli 1946 Percy Williams Bridgman 1952 Felix Bloch 1952 Edward M. Purcell 1955 Polykarp Kusch 1955 Willis E. Lamb, Jr. 1956 John Bardeen 1956 Walter H. Brattain 1956 William Shockley 1957 Chen Ning Yang 1958 Igor Y. Tamm 1959 Owen Chamberlain 1959 Emilio G. Segre 1960 Donald A. Glaser 1961 Robert Hofstadter 1963 Eugene P. Wigner

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