How do Nano-biological computers compare with quantum computers? What are the advantages and disadvantages of each?


DNA computing using algorithmic self-assembly has some of the earmarks of a near term alternative to quantum computing for solving computationally intractable problems.
The advantage is the DNA computing is that it is approximately here today while quantum computing remains a gleam in some physicists' eyes.
The disadvantage of DNA computing is that individual experiments are needed for each new specific solution (no pun intended) and even automating the process might extend computerized wetware to the limit.


Molecular Computation of Solutions to Combinatorial Problems is a blog-like critique of Adelman's paper of the same name.  The critique lists the steps involved and gives an indication of the magnitude of the operations needed to solve on specific solution.
"Adleman implemented a five (5)-step procedure and discussed each step thoroughly. The steps are as follows:
STEP 1: Hybridization and Ligation:
STEP 2: Polymerase Chain Reaction (PCR) Amplification:
STEP 3: Agarose Gel Electrophoresis:
STEP 4: Affinity Purification with a biotin-avidin Magnetic Beads System
STEP 5: Analysis:
"The author took seven (7) days to complete the experiment, and this research was repeated as presented here, if the researcher has a working knowledge of how to perform the laboratory experiment. Although, I agree with the author that with an automated approach, this experimental setup can be done in a few hours and with ease."

Here are my wild speculations:  DNA computing was sufficiently successful that NSA declared it a national security ultra-top secret.  The result--almost no recent US recent published papers.  Note that the top researcher was Len Adelman, the A in RSA.

 https://larixconferences.com/biotechnology/

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