RADIATION CHRONICLES Flashcards

1
Q
  • the principles of a nuclear chain reaction demo
  • they take a first patent on the production of nuclear energy
  • the principle of nuclear reactors was first recorded and sealed in an envelope where it remains secret during WWII
A

1939

Irene and Frederic Joliot-Curie

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2
Q

discover Technetiom-99m = an is

A

1939

Emilio Segre and Glenn Seaborg

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3
Q

US advisory comittee on uranium recos a program to develop an atomic bomb (later named MANHATTAN PROJ)

A

1939

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4
Q

Rockfeller foundation funds the 1st cyclotron dedicated for biomedical radioisotope production at washington universityy in st louis

A

1940

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5
Q

Manhattan proj formed to secretly build the atomic bomb before the nazis

A

1942

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6
Q

Fermi demonsrates the 1st self sustaining nuclear chain rxn in a lab at the university of chicago

A

1942

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7
Q

US drops atomic bombs on hiroshima and nagasaki

A

1942

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8
Q

nuc med comes into existance when cyclotron-produced radioisotopes and nuclear radiaiton becomes available in the US

A

1935

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9
Q

brother of Ernest, makes the 1st clinical therapeutic application of an artificial radionuclide whenn he uses phosphorus-32 to treat leukemia

A

1936

John H Lawrence

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10
Q

discovery Iron-59

A

1937

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11
Q

discover iodine-131 and cobalt-60

all isotopes currently used in nuclear medicine

A

1938

John Livinghood and Glenn Seaborg

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12
Q

shared nobel prize in 1951

A

Glenn Seaborg and MacMillan

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13
Q

produce lighter elemts by bombarding uranium w neutrons

A

1938
Otto Hahn and Fritz Strassman

Irene Joliot-Curie and Pavle Savichnotice same

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14
Q

recognized it as splitting atoms = fission

A

Lise Meitner and Oto Frisch

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15
Q

won a nobel prize in 1944

A

Otto Hahn

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16
Q

nobel prize for production of elements by neutron irradiation

A

1938

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17
Q

invents the Geiger counter form measuring radioactivity

A

1913

Hans Geiger

18
Q

publishes the 1st study on the intravenous injection of radium for therapy of various diseases

A

1913

Frederick Proesher

19
Q

discovered and named proton

A

1920

20
Q

boston physician

first uses radioactive tracers to diagnose heart disease

A

1927

Herman Blumgart

21
Q

discovers neutron

won nobel 1935

A

1932

James Chadwick

22
Q

publish the production od high speed light ions without use of high voltages

its a milestone in the production of quantities and radionuclides

A

1932
Ernest Lawrence (1939 nobel)
and M Stanley

23
Q

discover artificial radioactivity

1935 nobel prize for 1st artificial radioactive isotope

A

1934

Irene and Frederich Joliot-Curie

24
Q

discovers electron

A

1897

J.J Thompson

25
Q

discover the 1st radioactive elements (radium and polonium)

A

Marie and Pierre Curie 1898

26
Q

concludes rad can be divided into 2 types: alpha and beta rays (nobel prize 1908)

A

1899

Ernest Rutherford

27
Q

observes another type of rad - gamma rays

nobel 1903 shared w becq

A

1900

Pierre Curie

28
Q

relationship of mass and energy

A

1905
Albert Einstein
(nobel prize 1919 for discovery of photoeffect)

29
Q

atom is empty space and identifies the atomic nucleus

A

1911

Ernest Rutherford

30
Q

conceives the idea of using RADIOTRACERS applied later to medical dx

A

1911
George de Hevesy
(nobel 1943)

31
Q

intro first atom model the mini solar system

A

1913

Niels Bohr

32
Q

burns from deliberate exposure of a finger to xrays

A

late 1896

Elihu Thomsom

33
Q

hair fell out and scalp became inflamed and ulcerated

A

Edisons assistant

34
Q

expo on hand

cut 2 fingers

A

1873-1910

Mihran Kassabian

35
Q

radiographer (1898)
held nervous patient and children w unprotected hands
controlled the degree of hardness of the xrt by placing her hand behind the screen
after 6monts strong flushing and swellings of hands
fing whole arm ampu
dob. shadoq left side of thorax
large wound front and back
died 22 oct 1916

A

Sister Blandina

1871-1916

36
Q
1st radt tx
woman 50 w breast ca
18 daily 1 hr irradiation
condition was relieved
died shortly fterwards from metastases
A

jan 29 1896

37
Q

xlight kills

no practical danger from xray

A

william rollins

1901

38
Q

early protectice suit

A

lead glasses
filters
tube shieldin
early personal dosemeters

39
Q

development of remote afterloading systems which allow the rad to be delivered froma shielded safe

A

1950 and 1960s

40
Q

canadian medical physicist sent req to the NRC askng them to produce co 60 for use in cobalt therapy unit prototype

A

1949

dr. harold e. johns

41
Q

worlds 1st ca tx with co 60 took place at victoria hospital for a 43 yr old cervical ca pt

A

oct 27 1951