astronomy

Santasabuj Das

Santasabuj Das is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Santasabuj Das rather than just read about it. In short: Santasabuj Das is an Indian medical doctor, molecular immunologist, bioinformatician, scientist and the current Director of the National Institute for Research in Bacterial Infections, Kolkata. He is known for his studies on the pathogenesis of various types of infections caused by Salmonella in humans and is an elected fellow of the West Bengal Academy of Science and Technology.

Key takeaways

Santasabuj Das belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Santasabuj Das to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Santasabuj Das from memory before moving on to harder problems.

Reference excerpt

Santasabuj Das is an Indian medical doctor, molecular immunologist, bioinformatician, scientist and the current Director of the National Institute for Research in Bacterial Infections, Kolkata. He is known for his studies on the pathogenesis of various types of infections caused by Salmonella in humans and is an elected fellow of the West Bengal Academy of Science and Technology. He is a former Fulbright scholar and a life member of the Probiotic Association of India, the Society of Biological Chemists, India and the Indian Science Congress Association. The Department of Biotechnology of the Government of India awarded him the National Bioscience Award for Career Development, one of the highest Indian science awards, for his contributions to biosciences, in 2011.

Biography

Born in the Indian state of West Bengal, Santasabuj Das did his medical studies at the University of Calcutta from where he earned an MBBS in 1990 and an MD in 1996. He started his career as a research associate at the division of cellular immunology of the Indian Institute of Chemical Biology but moved to complete his residency at the Sanjay Gandhi Postgraduate Institute of Medical Sciences. Subsequently, he served as a post-doctoral fellow at the National Center for Biological Sciences from 1998 and in 2000, he moved to the US to work as a post doctoral fellow at the Kimmel Cancer Center of the Thomas Jefferson University. In 2002, he joined the Molecular Oncology Research Institute of the Tufts Medical Center as a post-doctoral research associate where he stayed until 2004. On his return to India, he joined the National Institute for Research in Bacterial Infections in Kolkata as a grade C scientist in 2005 and holds the positions of a grade E scientist and assistant director. He has also been serving as a senior scientist of the Indian Council of Medical Research since 2013. In 2025, he was appointed as the director of NIRBI.

Professional profile Das' research focus is on the various types of infections caused by Salmonella in humans and he has done studies in the fields of pathogenesis of Salmonella Typhi and vaccine development against the pathogen. He holds two international and one national patent for the processes he has developed. His studies have been documented by way of a number of articles and through chapters contributed to books published by others. He is the coordinator for the Biomedical Informatics Centre of the National Institute for Research in Bacterial Infections, and is a life member of the Society of Biological Chemists, India, the Indian Science Congress Association and the Probiotic Association of India.

Awards and honors The Department of Biotechnology (DBT) of the Government of India awarded him the National Bioscience Award for Career Development, one of the highest Indian science awards in 2011. The Bureau of Educational and Cultural Affairs (ECA) of the United States Department of State selected him for the Fulbright scholarship in 2012. The West Bengal Academy of Science and Technology elected him as a fellow in 2016.

Selected bibliography

Chapters Gunjan Arora; Andaleeb Sajid; Vipin Chandra Kalia (21 March 2017). Drug Resistance in Bacteria, Fungi, Malaria, and Cancer. Springer. pp. 577–. ISBN 978-3-319-48683-3.

Articles Thakur, Bhupesh Kumar; Dasgupta, Nirmalya; Ta, Atri; Das, Santasabuj (8 July 2016). "Physiological TLR5 expression in the intestine is regulated by differential DNA binding of Sp1/Sp3 through simultaneous Sp1 dephosphorylation and Sp3 phosphorylation by two different PKC isoforms". Nucleic Acids Research. 44 (12): 5658–5672. doi:10.1093/nar/gkw189. ISSN 0305-1048. PMC 4937308. PMID 27060138. Theeya, Nagaraja; Ta, Atri; Das, Sayan; Mandal, Rahul S.; Chakrabarti, Oishee; Chakrabarti, Saikat; Ghosh, Amar N.; Das, Santasabuj (1 February 2015). "An Inducible and Secreted Eukaryote-Like Serine/Threonine Kinase of Salmonella enterica Serovar Typhi Promotes Intracellular Survival and Pathogenesis". Infection and Immunity. 83 (2): 522–533. doi:10.1128/iai.02521-14. ISSN 0019-9567. PMC 4294231. PMID 25404028. Ghosh, Shubhamoy; Chakraborty, Krishnendu; Nagaraja, Theeya; Basak, Surajit; Koley, Hemanta; Dutta, Shanta; Mitra, Utpala; Das, Santasabuj (22 February 2011). "An adhesion protein of Salmonella enterica serovar Typhi is required for pathogenesis and potential target for vaccine development". Proceedings of the National Academy of Sciences. 108 (8): 3348–3353. Bibcode:2011PNAS..108.3348G. doi:10.1073/pnas.1016180108. PMC 3044360. PMID 21300870.

Worked examples

Example 1 — a first encounter with Santasabuj Das

Start with the simplest possible case. Write down what Santasabuj Das claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Santasabuj Das before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Santasabuj Das ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Santasabuj Das

In research: Santasabuj Das appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Santasabuj Das in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Santasabuj Das is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1968 births, 21st-century Indian inventors, Indian Council of Medical Research, so understanding it makes those chapters shorter.
In everyday life: Look for Santasabuj Das outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Santasabuj Das in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Santasabuj Das means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Santasabuj Das out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Santasabuj Das in simple terms?

Why does Santasabuj Das matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Santasabuj Das?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Santasabuj Das.