Nobel Laureates in Chemistry Amr Tawfik, Mosatafa Hawary 4 th year, 2 nd year, Faculty of Pharmacy...
-
Upload
erin-cameron -
Category
Documents
-
view
214 -
download
0
Transcript of Nobel Laureates in Chemistry Amr Tawfik, Mosatafa Hawary 4 th year, 2 nd year, Faculty of Pharmacy...
Nobel Laureates
in Chemistry
Amr Tawfik, Mosatafa Hawary
4th year, 2nd year,
Faculty of Pharmacy
Alexandria University
Noble Laureates In Chemistry – Amr Tawik & Moustafa Hawary
Nobel laureates in chemistry
Famous Nobel laureates in chemistry since 1901
Nobel laureates attended Biovision Bibliotheca Alexandrina
An Egyptian Nobel laureates
Gerhard Ertl: Modern surface chemistry
Jacobus van 't Hoff
in recognition of the extraordinary services he has rendered by the discovery of the laws of chemical dynamics and osmotic pressure in solutions
1901
August Arrhenius
in recognition of the extraordinary services he has rendered to the advancement of chemistry by his electrolytic theory of dissociation
1903
Ernest Rutherford
alpha, beta, and gamma rays
He demonstrated radioactivity and the spontaneous disintegration of atoms
the first person to artificially disintegrate an element
1908
Marie Curie
Marie Curie pioneered radioactivity research .
Only person to win the award in two different sciences.
The first woman to win a Nobel Prize.
Marie Curie was the first female professor at the Sorbonne.
1911
Walther Nernst
in recognition of his work in thermo chemistry
1920
Hans Fischer
constitution of haemin and chlorophyll and especially for his synthesis of haemin
1930
Sir Robert Robinson
for his investigations on plant products of biological importance, especially the alkaloids
1947
Gerhard Herzberg
for his contributions to the knowledge of electronic structure and geometry of molecules, particularly free
radicals .
1971
With Donald J.Cram and Charles J.Pedersen
for their development and use of molecules with structure-specific interactions of high
selectivity .
Jean Marie Lean 1987
F. Sherwood Rowland
Paul J. Crutzen and Mario J. Molina
for their work in atmospheric chemistry, particularly concerning the formation and decomposition of ozone
1995
Ryoji Noyori
With William S. Knowles and K. Barry Sharpless
for their work on chirally catalysed hydrogenation reactions
2001
Peter Agre
With Roderick MacKinnon
for discoveries concerning channels in cell membranesfor the discovery of
water channels "
2003
Ahmed H. Zewail
for his studies of the transition states of chemical reactions using femtosecond spectroscopy
1999
The King of Femtoland
Ahmed Zewail receiving his Nobel Prize from His Majesty the King at the Stockholm Concert Hall 1999.
Ahmed H. Zewail
Zewail is the first scientist from the Arab world to ever receive the Nobel Prize, and the only living scientist from the entire Islamic World of more than one billion people so honored
VOYAGE THROUGH TIMEWalks of Life to the Nobel Prize
Ahmed H. Zewail
Gerhard Ertl
for his studies of chemical processes on solid surfaces
2007
Gerhard Ertl
a gold medal
a diploma
10 million Swedish kronor
his 71st birthday
catalytic cleaning carbon monoxide oxidates on platinum
Freons reduce the ozone layer by reacting on the surfaces of small ice crystals,
rusting takes place when an iron surface is exposed to oxygen
electronics industry to manufacture semiconductor materials for components
artificial fertilizers contain ammonia which is produced when nitrogen and hydrogen react on an iron surface
renewable fuels can be produced using catalytic surfaces
The emergence of modern surface chemistry
The first to understand the potential of new technology
Methodological foundations for an entire field of research
High vacuum system and use of different technologies
Modern surface chemistry
Behavior of hydrogen on metal surfaces
- Produced in solar cells -catalysis
Nitrogen becomes an artificial fertilizer
- Haber-Bosch process
The Haber-Bosch process step-by-step
Surface measurement difficulties
Distinguish atomic/ molecular nitrogen
Spectroscopic methods
Photons or free electrons
- type of atoms - chemical environment
Structure of the surface
Nitrogen split takes longest
Adding potassium
Nitrogen split ammonia formation
Modern surface chemistry
Method and values of rates and activation energies for each step of the reaction
Exhaust cleaning
oxidation of Co on platinum
References -:
http://nobelprizeorg/
http://news.bbc.co.uk/2/hi/science/nature/7037210.stm
Presented by-:
Amr Tawfik
Mostafa Hawary
THANKS