IIT Bombay Fellow Developing Quantum Chemistry Based Software Useful For Radiation Therapy

Recipient of the INSPIRE Faculty Award instituted by Department of Science and Technology,  Dr Achintya Kumar Dutta from IIT Bombay along with his research group is working to develop new methods for quantum chemistry and implement them in efficient and free software to study electron attachment to aqueous DNA which has big implications in radiation therapy-based treatment of cancer.

Dr. Dutta's research group in IIT Bombay is a collaboration of chemists, computer scientists, and engineers who are united towards a common goal of development of efficient quantum chemistry methods and free software, which can be routinely used by scientists all over the globe to solve their chemistry problems, according to a statement released by the Ministry of Science and Technology.

"My INSPIRE fellowship has allowed me to establish a state of the art computing facility for developing and testing a new and efficient quantum chemistry software. It also allows me to train quality manpower from all over India who can contribute to the further progress of Indian science," says Dr Dutta.

Quantum chemistry is one of the new branches of chemistry which tries to understand the chemical properties of atoms and molecules without performing a lab experiment. Instead, in quantum chemistry, the Scientists try to solve the Schrodinger equation for the molecules, and it gives every measurable quantity about that particular molecule, without actually doing the measurement. 

However, the mathematical equations resulting from the application of the Schrodinger equation are very complicated and can only be solved using computers. Therefore, one needs to develop new theories and write efficient computer programs to solve these equations.

Indian scientists are at the forefront of the new theory development for quantum chemistry. However, the progress in translating those theories into practically useable computer software is somewhat limited. This is particularly surprising in the view of having a thriving Indian IT industry and extremely talented software professionals who are of global repute.

The efficiency of these newly developed quantum chemistry methods allows the research group to solve the Schrodinger equation for the attachment of electrons to DNA in the presence of the bulk aqueous environment. 

This study can help in the development of a new class of radio-sensitizers, which makes tumor cells more sensitive to radiation therapy and thereby protects the normal cells. Computational modeling can greatly reduce the development cost of new radio-sensitizers, both in terms of money and time, the statement added.

Dr Dutta wants to use the inspire fellowship to further develop new quantum chemistry methods, benchmark efficient computational protocols to study radiation damage to genetic material and pursue science for the betterment of our society and humankind.

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