Saturday, September 1, 2012

Inventions & Discoveries in Biology - 4



CONTRIBUTION
DISCOVERED/INVENTED BY
1.           Sex hormones
Eugen Stainak
2.           Sexuality in plants
Kolreuter
3.           Sickle cell anaemia: Traced mutation in Hb of sickle cell anaemia to a change in a particular amino acid
Ingram V.M (1956)
4.           Simple microscope
Anton van Leeuwenhoek
5.           Southern blotting
Southern E.M (1975)
6.           Sperm- discovered
Humm & Leeuwenhoek (1672)
7.           Sphaerosome
Pernes (1953)
8.           Spleen - Functions
Barcroft (1925)
9.           Spontaneous mutation in locus in maize
Stadler J
10.         Stethoscope
Laennec
11.         Streptomycin (antibiotic)
Selman Waksman (1944)
12.         Substrate & enzyme action form an enzyme-substrate complex
Michaelis L & Menton M (1913)
13.         Sulpha drugs
Domagk G.
14.         Synapse in the nervous system
Sherrington (1897)
15.         Test tube baby- first
Robert Edward & Patrick Steptoe
16.         Three-kingdom classification
Ernest Haeckel (1866)
17.         Thyroxin
Edward Calvin
18.         Tissue culture
Carrel A (1912)
19.         TMV (Tobacco Mosaic Virus)- discovered
Iwanowski
20.         TMV (Tobacco Mosaic Virus)- Isolated by crystallisation
Stanley W.M (1935)
21.         Totipotency of plant cells- Explained
Haberlandt (1902)
22.         Totipotency technique- First demonstrated
Steward (1950)
23.         Transmission of inheritance takes place through nucleus
Ernest Haeckel (1866)
24.         Trilaminar model of plasma membrane
Robertson J.D. (1959)
25.         Tubercle bacillus
Robert Koch (1882)
26.         Tuberculin test
Von Pirquet (1907)
27.         Turner’s syndrome
Turner (1938)
28.         Ultracentrifuge
Svedberg
29.         Vaccination- first
Edward Jenner
30.         Vaccine for Measles
John Enders
31.         Vaccine for small pox
Edward Jenner
32.         Viroid- First viroid
Diener T.O. (1971)
33.         Virus- reproduction
Delbruck, Hershey & Luria
34.         Virus, causing cancer in primates
Schidolvski D. (1973)
35.         Virus: Proved its existence
Ivanowsky (1892)
36.         Viruses crystallised & proved that these crystals can cause disease
W.M. Stanley (1935)
37.         Virusoid- First virusoid
Randles J.W. (1981)
38.         Vitamin
Funk (1911)
39.         Vitamin A
Mc Cullem and Davis
40.         Vitamin A- isolated
Holmus
41.         Vitamin B
Mc Cullem
42.         Vitamin B1
Ijac mann
43.         Vitamin B12
Ricker
44.         Vitamin B2
Warburg & Christian
45.         Vitamin B3
R.J. Williams
46.         Vitamin B5
C. Funk
47.         Vitamin B6
Goldberger
48.         Vitamin B7 (Biotin)
Vincent Du Vigneaud
49.         Vitamin B9
Day et al
50.         Vitamin C
Froilic Holst
51.         Vitamin D
Steenbock & Hess
52.         Vitamin E
Evans & Sore
53.         Vitamin K
Dam & Droisy
54.         Western blotting
Towbin (1979)
55.         Wheat- Cytology and genetics
Sears E.R (1948)
56.         X-rays
Roentgen (1895)
57.         Zymase, the first enzyme
Edward Buchner (1897; Germany)


2 comments: