(potentials and advancements) submitted to - presented by- mrs. neeta nain vikas kumar khichar mrs....
DESCRIPTION
A Bio-molecular (DNA computer )is a molecular computer that works biochemically. It “computes” using enzymes that react with DNA strands, causing chain reactions. The chain reactions act as a kind of simultaneous computing or parallel processing. DNA computing is utilizing the property of DNA for massively parallel computation. 3 Source-Research paper by Leonard M. AdlemannTRANSCRIPT
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(Potentials and advancements)
Submitted to - Presented by-
Mrs. Neeta Nain Vikas Kumar Khichar
Mrs. Namita Mittal 2008ucp149
Bio-Computers
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VI Semester(CP-2)
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WHAT IS A DNA
DNA-Deoxyribonucleic acid DNA is a primary genetic
material in living cells.
Its structure has two strands that run in opposite direction to each other.
Basic pair Adenine(A) pairs with Thymine(T) Guanine(G) pairs with Cytosine(C)
(Source-Google Images and Wikipedia)
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A Bio-molecular (DNA computer )is a molecular computer that works biochemically. It “computes” using enzymes that react with DNA strands, causing chain reactions. The chain reactions act as a kind of simultaneous computing or parallel processing.
DNA computing is utilizing the property of DNA for massively parallel computation.
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What is a Bio-molecular computer
Source-Research paper by Leonard M. Adlemann
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INSTRUCTIONS IN DNASequence to
indicate the start of an instruction
Instructions are coded in a sequence of the DNA bases
A segment of DNA is exposed, transcribed and translated to carry out instructions
Source-Google Images and Wikipedia
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Silicon processors has limited speedLimits of Miniaturization of circuitsMoore’s LawScientist found DNA has capability to be used to
build a computerVast availability of Raw Material
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Need For Bio-Computers
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In 1994, Leonard Adleman (also called ‘Father of DNA Computing’), scientist at the University of California, introduced the idea of using DNA to solve complex mathematical problems.
He used DNA to solve the extremely complex Hamilton Path Problem(or “The Travelling Salesman Problem”)
In 2002, researchers from the Weizmann Institute of Science in Rehovot, Israel, unveiled a programmable molecular computing machine composed of enzymes and DNA molecules instead of silicon microchips 6
Past Research
Source-BBC World Service/Science
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Hamilton Path Problem
Los Angeles(GCTACG)
Chicago(CTAGTA)
Dallas(TCGTAC)
Miami(CTACGG)
New York(ATGCCG)
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Los Angeles Chicago
Programming of Problem using DNA
GCTACG CTAGTA
TGC GAT
Los Angeles-Chicago
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L.A. C Chicago N.Y. Miami Dallas
L.A-Chicago
Chicago-N.Y
N.Y-Miami Miami-Dallas
GCTACG
CTAGTA ATGCCG CTACGG TCGTAC
TGCGAT CATTAC GGCGAT GCCAGC
Flight path to Los Angeles – Dallas covering all other cities at most once:
One possible answer may be: TGCGAT CATTAC GGCGAT GCCAGC
9Source-Research paper by Leonard M. Adlemann
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DENSE INFORMATION STORAGEThis image shows 1 gram
of DNA on a CD. The CD can hold 800 MB of data.
The 1 gram of DNA can hold about 1x1014 MB of data.
With bases spaced at 0.35 nm along DNA, data density is over a million Gbits/inch compared to 7 Gbits/inch in typical high performance HDD.
Source-Google & http://www.webopedia.com/TERM/D/DNA_computer.html
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COMPONENTS OF DNA COMPUTER
Logic gate (“And Gate”) :
Developed at University of Rochester Made up of DNA instead of Silicon
Biochip :
Logic gates can be combined with DNA micro chip to make Bio Chip
11Sources- Image-Google Images, Wikipedia(An Encyclopedia)
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Construction of first DNA Computer
Source-Google Images
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Advantages of a DNA ComputerParallel Computing
Incredibly light weight
Low power
Solves Complex Problems quickly
Millions of operations simultaneously
Generate potential solutions
Efficiently handle massive amounts of working memory
Source- Magazine (Information Technology)
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• Cellular supply of DNA make it a cheap resource.
• One pound DNA capacity is to high
• Made very cleanly.
• Many time smaller than silicon
•10 trillion DNA molecules can fit into 1 cubic centimeter, able to hold 10 terabyte of data and perform 10 trillion calculation at a time.
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DNA V/S SILICON
Source-computer.howstuffworks.com/dna-computer1.htm
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First developed DNA computer is so far from silicon-based computer in terms of overall speed(If we include all the processes)
It takes few days to narrow down possibilities.
It needs constant human assistance
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Disadvantages
Source-Research paper by Leonard M. Adlemann
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Gene analysis
Useful to Government to break secret codes
To Airlines to map efficient routes
To understand about human Brain – the natural Super Computer
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Applications of Ist generation DNA Computers
Source-computer.howstuffworks.com/dna-computer1.htm
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Future is very bright in the field of solving complex problems(Where conventional silicon computers fail due to lack of parallel computing power)
If research gets successful, it will eliminate the Silicon based Super Computers.
More powerful DNA computers are likely to be introduced very soon.
Bio-Computers will redefine boundaries of Computer Science.
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Future
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But…Let’s all hope that this DREAM comes true!!!
It will take years to develop a practical,
workable DNA computer.
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Thank you !