Scientific developments/breakthroughs of the 20th Century

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Offline Kamanashis Kundu

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Scientific developments/breakthroughs of the 20th Century
« on: April 23, 2018, 03:10:36 PM »
1901 Austrian-American Karl Landsteiner describes blood compatibility and rejection (i.e., what happens when a person receives a blood transfusion from another human of either compatible or incompatible blood type), developing the *** system of blood typing. This system classifies the bloods of human beings into A, B, AB, and O groups. Landsteiner receives the 1930 Nobel Prize for Physiology or Medicine for this discovery.

1906 Sir Frederick Gowland Hopkins suggests the existence of vitamins and concludes they are essential to health. Receives the 1929 Nobel Prize for Physiology or Medicine.

1907 First successful human blood transfusion using Landsteiner's *** blood typing technique

1913 Dr. Paul Dudley White becomes one of America's first cardiologists, a doctor specializing in the heart and its functions, and a pioneer in use of the electrocardiograph, exploring its potential as a diagnostic tool.

1921 Edward Mellanby discovers vitamin D and shows that its absence causes rickets.

1922I nsulin first used to treat diabetes.

1923 First vaccine for diphtheria.

1926 First vaccine for pertussis (whooping cough).

1927 First vaccine for tuberculosis.

1927 First vaccine for tetanus.

1928 Scottish bacteriologist Sir Alexander Fleming discovers penicillin. He shares the 1945 Nobel Prize for Physiology or Medicine with Ernst Chain and Sir Howard Florey.

1935 First vaccine for yellow fever.

1935 Dr. John H. Gibbon, Jr. , successfully uses a heart-lung machine for extracorporeal circulation of a cat (i.e., all the heart and lung functions are handled by the machine while surgery is performed). Dr. Gibbon uses this method successfully on a human in 1953. It is now commonly used in open heart surgery.

1937 First vaccine for typhus.

1937 Bernard Fantus starts the first blood bank at Cook County Hospital in Chicago, using a 2% solution of sodium citrate to preserve the blood. Refrigerated blood lasts ten days.

1943 Microbiologist Selman A. Waksman discovers the antibiotic streptomycin, later used in the treatment of tuberculosis and other diseases.

1945 First vaccine for influenza.

1952 Paul Zoll develops the first cardiac pacemaker to control irregular heartbeat.

1953 James Watson and Francis Crick at Cambridge University describe the structure of the DNA molecule. Maurice Wilkins and Rosalind Franklin at King's College in London are also studying DNA. (Wilkins in fact shares Franklin's data with Watson and Crick without her knowledge.) Watson, Crick, and Wilkins share the Nobel Prize for Physiology or Medicine in 1962 (Franklin had died and the Nobel Prize only goes to living recipients).

1954 Dr. Joseph E. Murray performs the first kidney transplant between identical twins.

1955 Jonas Salk develops the first polio.

1957 Dr. Willem Kolff and Dr. Tetsuzo Akutzu implant the first artificial heart in a dog. The animal survives 90 minutes.

1962 First oral polio vaccine (as an alternative to the injected vaccine).

1964 Firstvaccine for measles.

1967 First vaccine for mumps.

1967 South African heart surgeon Dr. Christiaan Barnard
performs the first human heart transplant.

1970 First vaccine for rubella.

1974 First vaccine for chicken pox.

1977 First vaccine for pneumonia.

1978 First test-tube baby is born in the U.K.

1978 First vaccine for meningitis.

1980 W.H.O. (World Health Organization) announces smallpox is eradicated.

1981 First vaccine for hepatitis B.

1982 Dr. William DeVries implants the Jarvik-7 artificial heart into patient Barney Clark. Clark lives 112 days.

1983 HIV, the virus that causes AIDS, is identified.

1992 First vaccine for hepatitis A.

1996 Dolly the sheep becomes the first mammal cloned from an adult cell (dies in 2003).

1998 First vaccine for lyme disease.

Source: https://answers.yahoo.com/question/index;_ylt=Az_6wharnt1aYXEAVAgPxQt.;_ylu=X3oDMTByNDZ0aWFxBGNvbG8DZ3ExBHBvcwM2BHZ0aWQDBHNlYwNzcg--?qid=20080303102434AAZxnZv&p=scientific%20development%20in%2020th%20century&guccounter=1
Kamanashis Kundu (ABir)
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E-mail: kundu@daffodilvarsity.edu.bd
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Offline Md. Saiful Hoque

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Re: Scientific developments/breakthroughs of the 20th Century
« Reply #1 on: May 01, 2018, 04:07:02 PM »
Thanks for sharing
Lecturer,
Department of TE,
Faculty of Engineering, DIU

Offline Toufik Ahmed Emon

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Re: Scientific developments/breakthroughs of the 20th Century
« Reply #2 on: May 09, 2018, 01:06:13 AM »
Thanks for sharing.
Toufik Ahmed Emon
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Daffodil International University
Dhaka, Bangladesh

Offline Abdus Sattar

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Re: Scientific developments/breakthroughs of the 20th Century
« Reply #3 on: May 10, 2018, 01:13:02 AM »
 thanks for sharing.
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