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{{Use Indian English|date=May 2017}}
{{Use dmy dates|date=May 2017}}
{{Infobox scientist
| name = Paramasivam Natarajan
| image =
| alt =
| caption =
| birth_date = {{Birth date|df=yes|1940|9|17}}
| birth_place = [[Tamil Nadu]], India
| death_date = {{Death date and age|df=yes|2016|3|18|1940|9|17}}
| death_place = [[Chennai]], Tamil Nadu, India
| residence =
| nationality = [[Indian nationality|Indian]]
| fields = {{ublist | [[Photochemistry]] | Laser chemistry }}
| workplaces = {{ublist | [[University of Madras]] | NGM College, Pollachi | [[Banaras Hindu University]] | [[Jawaharlal Institute of Postgraduate Medical Education and Research]] | [[University of Southern California]] | [[Central Salt and Marine Chemicals Research Institute]] | National Centre for Ultrafast Process }}
| alma_mater = {{ublist | | [[University of Madras]] | [[Banaras Hindu University]] | [[University of Southern California]] | [[Wayne State University]] }}
| doctoral_advisor = {{ublist| John F. Endicott }}
| doctoral_students =
| known_for = Studies in photochemistry
| awards = {{ublist | 1984 [[Shanti Swarup Bhatnagar Prize]] | 1984 [[Government of Tamil Nadu|GoT]] Best Teacher Award | 1999 [[Indian Chemical Society|ICS]] Acharya P. C. Ray Memorial Award }}
}}
'''Paramasivam Natarajan''' (1940–2016) was an Indian photochemist, the [[Indian National Science Academy|INSA]] Senior Scientist at the National Centre for Ultrafast Process of the [[University of Madras]]<ref name="India needs to focus more on research">{{Cite web |url=http://www.thehindu.com/todays-paper/tp-national/tp-tamilnadu/india-needs-to-focus-more-on-research/article4437479.ece |title=India needs to focus more on research |date=21 February 2013 |work=The Hindu}}</ref> and the Director of [[Central Salt and Marine Chemicals Research Institute]] (CSMCRI) of the Council of Scientific and Industrial Research.<ref name="Fellows and Foreign Fellows Deceased during 2015–16">{{Cite web |url=http://www.insaindia.res.in/pdf/INSA_Annual_Report-2015-16_ENGLISH_for_WEB.pdf |title=Fellows and Foreign Fellows Deceased during 2015–16 |date=2016 |publisher=Indian National Science Academy}}</ref> He was known for his researches on photochemistry of co-ordination compounds and macromolecular dye coatings for stabilization of electrodes<ref name="Brief Profile of the Awardee">{{Cite web |url=http://ssbprize.gov.in/content/Detail.aspx?AID=213 |title=Brief Profile of the Awardee |date=2016 |publisher=Shanti Swarup Bhatnagar Prize |access-date=12 November 2016}}</ref> and was an elected fellow of the [[Indian National Science Academy]],<ref name="Indian fellow">{{Cite web |url=http://insaindia.res.in/detail/N88-1001 |title=Indian fellow |date=2016 |publisher=Indian National Science Academy}}</ref> [[International Union of Pure and Applied Chemistry]] (IUPAC) and the [[Indian Academy of Sciences]].<ref name="Fellow profile">{{Cite web |url=http://www.ias.ac.in/describe/fellow/Natarajan,_Prof._Paramasivam |title=Fellow profile |date=2016 |publisher=Indian Academy of Sciences |access-date=12 November 2016}}</ref> The [[Council of Scientific and Industrial Research]], the apex agency of the Government of India for scientific research, awarded him the [[Shanti Swarup Bhatnagar Prize for Science and Technology]], one of the highest Indian science awards, in 1984, for his contributions to chemical sciences.<ref name="View Bhatnagar Awardees">{{cite web | url=http://ssbprize.gov.in/Content/AwardeeList.aspx | title=View Bhatnagar Awardees | publisher=Shanti Swarup Bhatnagar Prize | date=2016 | access-date=12 November 2016}}</ref>

== Biography ==
[[File:University of Madras Entrance Arch at Chepauk Campus.JPG|thumb|left|235px|University of Madras - Main Entrance]]
Born on 17 September 1940 in the south Indian state of [[Tamil Nadu]], Paramasivam Natarajan graduated in chemistry from the [[University of Madras]] in 1959 and started his career as a lecturer at Government Arts College of the Madras University in 1959 but moved to NGM College, Pollachi in 1963. The next year, he joined [[Banaras Hindu University]] (BHU) as a CSIR Junior Research fellow and during the tenure of the fellowship, he obtained his master's degree in 1963.<ref name="Mentor profile">{{Cite web |url=http://inspire.ksrct.ac.in/Mentors_profiles/Natarajan_P.pdf |title=Mentor profile |date=2016 |publisher=Inspire }}{{Dead link|date=April 2020 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> After continuing at BHU for a year more, he became a lecturer at [[Jawaharlal Institute of Postgraduate Medical Education and Research]] (JIPMER) where he stayed till 1970 when he went to the US as a teaching assistant [[University of Southern California]], simultaneously pursuing his doctoral studies under the guidance of John F. Endicott. He secured a PhD in 1971 and did his post doctoral studies under his PhD guide, Endicott, at [[Wayne State University]] as the latter had moved to the Michigan-based university by that time.<ref name="Mentor profile" />

Natarajan returned to India in 1974 and joined his alma mater, Madras University, as a reader of the department of physical chemistry and in 1977, he became a professor in charge of the Post Graduate Centre of the university in [[Tiruchirappalli]]. In 1982, he returned to the University headquarters in Chennai as the head of the department of inorganic chemistry<ref name="The History">{{Cite web |url=http://www.unom.ac.in/index.php?route=department/department/about&deptid=39 |title=The History |date=2016 |publisher=University of Madras}}</ref> and in 1991, he was deputed by the university as the director of [[Central Salt and Marine Chemicals Research Institute]] (CSMCRI), a post he held till 1996.<ref name="Directors">{{Cite web |url=http://www.csmcri.org/Pages/About/about_us.php |title=Directors |date=2016 |publisher=Central Salt and Marine Chemicals Research Institute |access-date=21 November 2016 |archive-date=23 November 2016 |archive-url=https://web.archive.org/web/20161123131854/http://www.csmcri.org/Pages/About/about_us.php |url-status=dead }}</ref> After the completion of the assignment at CSMCRI, he resumed his duties at the university and became a senior professor in 1998. At time of his superannuation in 2001, he held the post of an [[Indian National Science Academy|INSA]] Senior Scientist at the National Centre for Ultrafast Process of the university and served as a member of the university syndicate.<ref name="Mentor profile" />

Natarajan was married to Sivabagyam and the couple had two daughters, Shiva Sukanthi and Shakthi. He died on 18 March 20, at the age of 75, survived by his wife, children and their families.<ref name="Paramasivam Natarajan (1940–2016)">{{Cite journal |last=P, Ramamurthi, R. Ramaraj |url=http://www.currentscience.ac.in/Volumes/110/08/1573.pdf|title=Paramasivam Natarajan (1940–2016) |journal=Current Science |publication-date=2016 |volume=110 |issue=8}}</ref>

== Legacy ==
Focusing his researches on photochemistry, Natarajan studied various araas of the discipline such as polymer dynamics using fluorescence, flash photolysis studies using [[picosecond]] and [[femtosecond]] lasers and solar energy conversion.<ref name="Paramasivam Natarajan (1940–2016)" /> He demonstrated that micromolecular dye coatings of electrodes used in photoelectrochemical cells returned high current density.<ref name="Handbook of Shanti Swarup Bhatnagar Prize Winners">{{cite web | url=http://www.csirhrdg.res.in/ssb.pdf | title=Handbook of Shanti Swarup Bhatnagar Prize Winners | publisher=Council of Scientific and Industrial Research | date=1999 | access-date=5 October 2016 | pages=34 | archive-url=https://web.archive.org/web/20160304043957/http://www.csirhrdg.res.in/ssb.pdf | archive-date=4 March 2016 | url-status=dead }}</ref> This led to his subsequent studies of solar energy conversion using chemically modified electrodes. He published his researches in peer-reviewed journals including [[Nature (journal)|Nature]], [[Journal of the American Chemical Society]], [[Journal of Physical Chemistry A]], [[Inorganic Chemistry (journal)|Inorganic Chemistry]] and [[Chemical Communications]] by way of 107 articles<ref name="Browse by Fellow">{{Cite web |url=http://repository.ias.ac.in/view/fellows/Natarajan=3AParamasivam=3A=3A.html |title=Browse by Fellow |date=2016 |publisher=Indian Academy of Sciences}}</ref>{{Refn|group=note|Please see ''Selected bibliography'' section}} and he was granted patents for four of his findings.<ref name="Patents">{{Cite web |url=http://www.csmcri.org/Pages/Patents/Patents.php?pageNum_Patents=1&totalRows_Patents=40&Year=2009&search= |title=Patents |date=2016 |publisher=CSMCRI}}</ref> He mentored over 30 doctoral scholars and was associated with a number of journals as their editorial board member. He also sat in a number of government committees including those of the [[Department of Science and Technology (India)|Department of Science and Technology]] and the Council of Scientific and Industrial Research<ref name="Paramasivam Natarajan (1940–2016)" /> and delivered several featured talks and orations.<ref name="Title of Plenary Speakers">{{Cite web |url=http://www.icbic-2013.thamizhagam.net/program/Title%20of%20Plenary%20Leturers.pdf |title=Title of Plenary Speakers |date=2016 |publisher=International Conference on BioInorganic Chemistry}}</ref>

== Awards and honors ==
The [[Council of Scientific and Industrial Research]] awarded Subba Rao the [[Shanti Swarup Bhatnagar Prize]], one of the highest Indian science awards, in 1984<ref name="Chemical Sciences">{{cite web | url=http://www.csir.res.in/External/Heads/career/award/BPRIZE/CHEMICAL_SCIENCES.htm | title=Chemical Sciences | publisher=Council of Scientific and Industrial Research | date=2016 | access-date=7 November 2016 | url-status=dead | archive-url=https://web.archive.org/web/20120912012851/http://www.csir.res.in/external/heads/career/award/BPRIZE/CHEMICAL_SCIENCES.htm | archive-date=12 September 2012 | df=dmy-all }}</ref> and he received the Best Teacher Award of the Government of Tamil Nadu the same year.<ref name="Paramasivam Natarajan (1940–2016)" /> In 1999, he was awarded the Acharya P.C.Ray Memorial Award by the [[Indian Chemical Society]] and he held the National Lectureship and the National Fellowship of the University Grants Commission of India during 1986–87 and 1989–91 respectively. Sir M.Visweshwaraiah Chair of the [[University of Mysore]] (1999), Pandit Jawaharlal Nehru Chair of the [[University of Hyderabad]] (2004), Raja Ramanna Fellowship of the Department of Science and Technology (2006–09) and the Senior Scientist professorship of the Indian National Science Academy (at the time of his death) were some of the other notable positions he held. He was an elected fellow of the Indian Academy of Sciences, Indian National Science Academy, International Union of Pure and Applied Chemistry, Tamil Nadu Academy of Sciences, Society of Bio-Sciences and Gujarat Academy of Sciences and a member of [[Sigma Xi]]: The Scientific Research Society.<ref name="Mentor profile" />

== Selected bibliography ==
* {{Cite journal |author1=Raja, Chinnappan |author2=Ananthanarayanan, Krishnamoorthy |author3=Natarajan, Paramasivam |title=Studies on the photophysical characteristics of poly(carboxylic acid)s bound protoporphyrin IX and metal complexes of protoporphyrin IX |journal=[[European Polymer Journal]]|year=2006 |publication-date=2006 |volume=42 |issue=3 |pages=495–506 |doi=10.1016/j.eurpolymj.2005.09.009}}
* {{Cite journal |author1=Ananthanarayanan, K. |author2=Selvaraju, C. |author3=Natarajan, P. |title=Novel excited state proton transfer reaction observed for proflavine encapsulated in the channels of modified MCM-41 |journal=Microporous and Mesoporous Material |year=2007 |publication-date=2007 |volume=99 |issue=3 |pages=319–327 |doi=10.1016/j.micromeso.2006.09.042}}
* {{Cite journal |author1=Easwaramoorthi, S. |author2=Natarajan, P. |title=Redox properties of phenosafranine at zeolite-modified electrodes-effect of surface modification and solution pH |journal=Materials Chemistry and Physics |year=2008 |publication-date=2008 |volume=107 |issue=1 |pages=101–109 |doi=10.1016/j.matchemphys.2007.06.057}}
* {{Cite journal |author1=Ananthanarayanan, K. |author2=Natarajan, P. |title=Fabrication and photophysical studies of phenosafranine and proflavine dyes encapsulated in mesoporous MCM-41 along with titanium dioxide nanoparticles |journal=Microporous and Mesoporous Materials |year=2009 |publication-date=2009 |volume=124 |issue=1–3 |pages=179–189 |doi=10.1016/j.micromeso.2009.05.028}}
* {{Cite journal |author1=Senthilkumar, Karuppannan |author2=Paul, Parimal |author3=Selvaraju, Chellappan |author4=Natarajan, Paramasivam |title=Preparation, characterization, and photophysical study of thiazine dyes within the nanotubes and nanocavities of silicate host: influence of titanium dioxide nanoparticle on the protonation and aggregation of dyes |journal=Journal of Physical Chemistry C |year=2010 |publication-date=2010 |volume=114 |issue=15 |pages=7085–7094 |doi=10.1021/jp912267q}}

== See also ==
* [[Photochemistry]]
{{portal|India|Chemistry}}

== Notes ==
{{reflist|group=note}}

== References ==
{{reflist|30em}}

{{SSBPST recipients in Chemical Science}}
{{Shanti Swarup Bhatnagar Laureates of Tamil Nadu}}

{{authority control}}

{{DEFAULTSORT:Natarajan, Paramasivam}}
[[Category:Recipients of the Shanti Swarup Bhatnagar Award in Chemical Science]]
[[Category:1940 births]]
[[Category:Indian scientific authors]]
[[Category:Scientists from Tamil Nadu]]
[[Category:Fellows of the Indian Academy of Sciences]]
[[Category:Fellows of the Indian National Science Academy]]
[[Category:2016 deaths]]
[[Category:Tamil scientists]]
[[Category:University of Madras alumni]]
[[Category:University of Madras faculty]]
[[Category:20th-century Indian chemists]]
[[Category:Banaras Hindu University alumni]]
[[Category:University of Southern California alumni]]
[[Category:University of Southern California faculty]]
[[Category:Wayne State University alumni]]
[[Category:Photochemists]]
[[Category:20th-century Indian inventors]]
[[Category:Indian physical chemists]]

Paramasivam Natarajan - Revision history

IODChanel59686: improve details to improve readability

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