Varaprasad Kokkarachedu
Profesor Asistente
Universidad San Sebastián
Concepción, Chile, Chile
Design, development and characterization of nanobiomaterials (Advanced Hydrogels, Nanomedicine, Films, Bioink formation for 3D Printing) for advanced clinical (infection and non-infection decease) applications in Healthcare (Cancer, antimicrobal).
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Development of Stimuli- Responsive IPN Hydrogels for Drug Delivery Applications & Hydrogels Embedded Silver Nano-composites for Antibacterial Applications, Sri Krishnadevaraya University. India, 2011
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Polymer Scinces and Technology, Sri Krishnadevaraya University. India, 2007
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Chemistry, Physics and Mathematics, Sri Krishnadevaraya University. India, 2003
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Investigator Full Time
CENTRO DE INVESTIGACION DE POLIMEROS AVANZADOS
Concepción, Chile
2014 - 2021
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Fondecyt Postdoctoral Research Fellow Full Time
UNIVERSIDAD DE CONCEPCION
DIMAT
Concepción, Chile
2012 - 2014
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Postdoctoral Research Fellow Full Time
Tshwane University of Technology
Metallurgical and Materials Engineering
Pretoria, Suráfrica
2012 - 2012
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NIH Postdoctoral Research Fellow Full Time
Creighton University
Omaha, Estados Unidos
2011 - 2012
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Junior and senior Research Fellow, Tecahing for MSc students Full Time
Sri Krishnadevaraya University
Anantapuram, India
2007 - 2011
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Assistant Professor Full Time
UNIVERSIDAD SAN SEBASTIAN
Concepción, Chile
2021 - A la fecha
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Assistant Professor Full Time
UNIVERSIDAD SAN SEBASTIAN
FIT
Concepcion, Chile
2021 - A la fecha
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Accociate Professor Full Time
UNIVERSIDAD SAN SEBASTIAN
FIT
Concepción, Chile
2021 - A la fecha
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Junior Research Fellow
Sri Krishnadevaraya University
India
2007 - 2010
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Senior Research Fellow
Sri Krishnadevaraya University
India
2010 - 2011
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Postdoctoral Research
Creighton University, NE, USA
Estados Unidos
2011 - 2012
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Post
Postdoctoral Research
Suráfrica
2012 - 2012
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FONDECYT Post Doctoral
Departamento Ingeniería de Materiales, Facultad de Ingeniería,
Chile
2012 - 2014
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PI Investigator Full Time
Centro de Investigación de PolímerosAvanzados
Chile
2014 - 2021
PhD
Dr P. Ranga Reddy-Hydrogels Embedded Magnetic Nanoparticles for Biomedical, Metal Extraction and Capacitance Applications: Guidance 2010-2013
Dr B. Manjula-Hydrogels Embedded Nanocomposites for Antibacterial and Drug Delivery Applications: Guidance 2011-2014
Dr T. Jayaramudu-Development and Characterization of Novel Biodegradable Inorganic Nanocomposite Hydrogels for Biomedical Applications: Guidance 2011-2014
Dr.G.M.Ragavendra-Design and Development of Novel Nanoparticle Functional Materials for Biomedical Applications via Environmental Friendly Green Process: Guidance 2011-2014
Mtech:
Mr Manuel Pariguana (PhD) :Thermochemical characterization of ion exchange based polyacrylate hydrogel: Guidance 6 months internship program 2015
Btech
SJ Owonubi :Development of graphene oxide-based hydrogels biocomposite with anti-diabetic activity 2015
Matias López:Bioactive Inorganic Core/Hydrophobic Shell Nanoparticles for Cutaneous Wound Dressing Applications-B. tech-2017
Dr. Dr Karthikeyan Chandrasekaran- Postdoctoral-219-2022
Lead Guest Editor
Advanced polymer technology- Hindawi Journals-2019 https://www.hindawi.com/journals/apt/si/132076/cfp/
Guest Editor
(1) Scientia Pharmaceutica-MDPI-2019 https://www.mdpi.com/journal/scipharm/special_issues/Nanoparticle_Mediated_Drug_Delivery
(2) Materials Today: Proceedings - Journal – Elsevier- International Conference On Applied Science and Technology (ICAST-2018): Materials Science.
Preliminary speaker: (1)
2020 ICMAT-20,16-18 Mysore, India. http://icmat20.pstsjce.com/Speakers
Invited Lectures (6)
2020 AMCES-2020, Bangalore, India. https://amces2020.dsce.edu.in/
2018 IEEE ICA-ACCA 2018, 17-19 October 2018, Conception, Chile. http://ieee-ica- acca2018.ubiobio.cl/index.php/invited-talks/
2018 New Strategies in Nanotechnology Research for Biomedical Applications, International Symposium, 12th March 2018 at USS, Conception, Chile
2017 Crucial Invited speaker on Opportunities from local potential based on science for Territorial Development Innovation 2017, Chile 13th Sept 2017.
2017 Invited key speaker in a one-day international symposium on Recent Innovations in Engineering Materials. Bhimavaram, India 31st August 2017,
2016 Invited key speaker in the International Seminar on Development of New Materials Engineering. http://www.conicyt.cl/regional/2016/04/19/seminario-internacional-desarrollo-de- nuevos-materiales-para-la-ingenieria/
International/National Conferences / Symposia / Seminars / Workshops:
1) Kokkarachedu Varaprasad, Bionanomaterials for advanced applications, ICMAT-20, Mysuru, Karnataka, India.
2) Kokkarachedu Varaprasad, Engineered Bionanomaterials for advanced applications, AMCES-2020, Bengalore, India.
3) K. Chandrasekaran, K. Varaprasad, Interaction Ca Doped ZnO Nanostructures with MRSA, ICNAN-19. December 4-6. 2019.
4) Kokkarachedu Varaprasad, Bio-Nano-Materials from Disposable Polymeric Materials for Electric Energy Applications, IEEE ICA-ACCA 2018, Mlitrinco 17-19, October 2018, Conception, Chile.
5) Kokkarachedu Varaprasad, Dariela Núñez, Patricio Oyarzún, Matias Lopez, Murali Mohan Yallapu. Generation of Zinc Oxide-curcumin Core-Shell Antibiotic Nanoparticles, Biomaterials - 7th EuCheMS Chemistry Congress, Liverpool UK, 26-30th August 2018.
6) K. Varaprasad, Development of Novel Engineered Temperature Sensitive Nanohydrogels for Medical Applications. New Strategies in Nanotechnology Research for Biomedical Applications, International Symposium, 12th March 2018 at USS, Conception, Chile
7) K. Varaprasad, Bio-nano-composite. The International Seminar "Opportunities from local potential based on science for Territorial Development Innovation" Hotel Atton (Salon Success) located in Cochrane Poniente Nº75 on 13th September 2017.Conception, Chile.
8) K. Varaprasad, Co-assembled ZnO (shell)-CuO (core) nano-oxide materials for microbial protective, International Conference on Phosphorus, Boron and Silicon 2017 on 3-5 in July-2017 Paris, Frances.
9) K. Varaprasad, Bio-Nano-Materials for Advanced Medical and Engineering Applications. A one-day international symposium on Recent Innovations in Engineering Materials. SRKR Engineering College, Bhimavaram, India. 31st August 2017.
10) K. Varaprasad, International Seminar on Development of New Materials Engineering, Multifunctional nano biomaterials for applications in advanced engineering. Center for Advanced Polymer Research, CIPA, Department of Civil and Environmental Engineering of the UBB on 28th/04/2016.
11) T. Jayaramudu, G.M. Raghavendra, K.Varaprasad, E. Rotimi Sadiku, Li Yaguang, J. Kim. Temperature-sensitive silver nanocomposites hydrogels for inactivation of bacterial growth. Advances in Functional Materials (AFM)-2016. International Convention Center, Jeju Island, South Korea, Aug 8, July-2016.
12) K. Varaprasad, D. Nuñez, E.Y. Elgueta, B.L. Rivas, A. Mancisidor. Design of a composite polymer hydrogel for the removal of toxic metal ions. VIII Colloquium of Macromolecules. 30 November to 3 December 2016. Termas de Catillo, Parral, Chile.
13) K. Varaprasad, Cesar Saldias, Manuel Pariguana, Rotimi Sadiku. Polymeric-composite films from polycaprolactone with waste poly(ethylene terephthalate) monomers for industrial applications. “Advances in Mechanical, Material Science, Manufacturing, Automobile, Aerospace Engineering and Applied Physics” (AMAEAP), 30-31, May 2015. http://krishisanskriti.org/amaeap.html.
14) K. Varaprasad, Nano oxide polymer films were presented in Symposium ("Symposium of Research for the Scientific and Business Linking of the Biobío Region") held at San Sebastian University on 13th Aug 2015.
15) K. Varaprasad, K. Ramam, G. Siva Mohan Reddy, Rotimi Sadiku, ZnO-BiFeO3 energy materials for advanced applications, International Conference on Innovations in Engineering and Technology (ICIET’14). IEEE International conference, 13-14, March 2014. K.L.N. College of Engineering and Technology, Madurai, Tamil Nadu, India.
16) K. Varaprasad, G. Siva Mohan Reddy, J. Jayaramudu, Rotimi Sadiku, Koduri Ramam, S. Sinha Ray. Novel inorganic hydrogels for biomedical applications. International Conference on Microelectronics, Communication and Renewable Energy (ICMiCR- 2013), 1-4. DOI:10.1109/AICERA-ICMiCR.2013.6576042. Amal Jyothi College of Engineering, Kanjirappally, India.
17) G.M. Raghavendra, T. Jayaramudu, K. Varaprasad, Rotimi Sadiku and K. Mohana Raju. Development of microbial resistant transdermal scaffolds from natural polymers by the environmentally friendly green process. Page No: 70-71. National Seminar on Environmental Governance, 22-23 February 2013. S.V.G.M. Govt. Degree College, Kalyanaduru, Anantapur. INDIA.
18) K. Varaprasad, K. Mohana Raju, Thermoresponsive Polymer Gel for the Prevention of AIDS, National Seminar on Advances in Polymeric Materials, SK University, Anantapur-515 055, (A.P.) India, March 16-17, 2012. (Presented Oral)
19) T. Jayaramudu, G. M. Raghavendra, K. Varaprasad*, Rotimi Sadiku, K. Mohana Raju. Preparation and characterization of biologically active curcumin encapsulated PLGA Microspheres for drug release of curcumin to Cancer Treatment. National Symposium on Polymers & Coating. September 7-8, 2012 CSIR-IICT, Hyderabad, India. Abstract No
25. Page NO 48
20) G. M. Raghavendra, T. Jayaramudu, K. Varaprasad*, Rotimi Sadiku, K. Mohana Raju. Synthesis of biodegradable Levofloxacin based gaur gum films as effective Anti- Bactericides. National Symposium on Polymers & Coating. September 7-8, 2012, CSIR- IICT, Hyderabad, India. Abstract No 25. Page NO 50.
21) K. Varaprasad*, Rotimi Sadiku, K. Mohana Raju, Hydrogels Embedded Silver Nano- composites for Antibacterial Applications. Faculty of engineering and the built environment faculty research day 7th September 7, 2012, Pretoria, South Africa.
22) T. Jayaramudu, K.Varaprasad, RotimiSadiku and K. Mohana Raju. Development of green tea based hydrogels-Magnetic nanocomposites for the removal of Cadmium (II) from aqueous solution. National Seminar on “Emerging Trends in Soft Materials (ETSM- 2012), Department of Physics, S.K. University, India. 1-2 November 2012.
23) T. Jayaramudu, K.Varaprasad, Rotimi Sadiku, Hydrogels, ASSAF Third Annual South African, Young Scientists’ Conference, CSIR International convention centre, Brummeria, Pretoria, South Africa, 16-18 October 2012.
24) T. Jayaramudu, K. Varaprasad, G. M. Raghavendra and K. Mohana Raju, A Novel Biodegradable hydrogels based on Acrylamide – Wheat Protein Isolation. Abstract No.127. International Symposium. Macro and supramolecular architectures and materials (MAM-12). Centre for nanoscience and technology K. S. Rangasamy college of technology, Tiruchegode, Tamil Nadu, India. 21-25 Nov 2012.
25) T. Jayaramudu, K. Varaprasad, G. M. Raghavendra, K. Mohana Raju. Biodegradable silver nanocomposites hydrogels based on acrylamide and carrageenan: For antimicrobial applications, International Conference on Advanced Materials, Coimbatore-641 004, Indi A, Page 45, Dec12-16,2011
26) K. Varaprasad, K. Vimala, G. Sivamohan Reddy, S. Ravindra, N. Narayana Reddy and
K. Mohana Raju. Development of Chitosan-based poly(N-isopropylacrylamide-co-2- acrylamide-2-methyl-1-propanesulfonic acid) semi –IPN hydrogels for in vitro drug release studies of 5-fluorouracil an anticancer drug, an international conference on advances in polymer technology-apt'10 Kerala, India 27th to 29th. Code BMA01
27) P. Ranga Reddy, K. Varaprasad, N. Narayana Reddy, K. Mohana Raju and N. Subbarami Reddy. Fabrication of AU-Ag bi-metallic nanocomposites for antimicrobial applications, Designing Eco-Polymers for universal Sustenance, Page 5 March 30-31, 2011.
28) N. Mithil Kumar, K. Varaprasad, S. Venkata Naidu, Biodegradable Green Poly(L- aspartic acid-citric acid) Copolymer for Antimicrobial Applications. National Seminar on "Application of Microbes in Management of Agriculture and Environment," SK University, Anantapur-515 055, (A.P.) India from March 4-6, 2011 (Presented Poster)
29) K. Varaprasad, Advances in Nanoscience& Technology, Department of Science & Technology, Amal Jyothi College of Engineering, Kanjirappally, Kerala on 22 and 23 April 2010.
30) K. Varaprasad, Vijaya Kumar, K. Mohana Raju, Preparation of silver nanocomposite films impregnated with curcumin for antibacterial applications. "Emerging Materials and Technologies" Department of Physics, Anantapur, on 9-10 October 2010. (Presented Oral)
31) K. Varaprasad, "Frontiers in Polymers" held at the central leather research institute, Chennai-600 020 on March 03. 2006
32) K. Varaprasad, CMC-09 Workshop on Computational Material Science, Indian Institute of Science, Bangalore on March 6th -8th, 2009
33) K. Varaprasad, MICRO-09 Workshop on Computational Material Science, Indian Institute of Science, Bangalore on March 25th -30th 2009
34) K. Varaprasad and K. Mohana Raju, National Workshop on Synthesis, Characterization, and Application of Nanostructured Materials (Presented Poster). Puttaparthi on February 27-28, 2009
35) K. Varaprasad, S. Ravindra, N. Narayana Reddy, K. Vimala, K. Mohana Raju, Design and development of temperature sensitive porous poly(NIPAAm-AMPS) hydrogels for drug release of doxorubicin-a cancer chemotherapy drug, Ch Emference '09-Indian Institute of Technology (IIT), Chennai, Poster No: 14 August 22, 2009,
36) K. Varaprasad, Presented Oral in National Conference on "Advances in Nanomaterials, Devices, and Technologies." Department of Physics, S.V. Degree College, Kadapa on July-11-12, 2009
37) K. Varaprasad, Y. Murali Mohan, S. Ravindra, N. Narayana Reddy, K.Vimala, B. Sreedhar and K. Mohana Raju, Antibacterial Silver Nanoparticles Embedded in Semi Interpenetrated Hydrogel Nanocomposite: Synthesis, Characterization and Evaluation of Antibacterial Property of Nanocomposites, Recent Advances in Polymeric Materials, Institute of Technology Madras, India, Poster Number, P31 on March 09-11, 2009
38) K. Varaprasad, Recent Advances in Chemical Research, Osmania University, Hyderabad- 500 007on February 6-7, 2009
39) K.Varaprasad, K. Vimala, S, Ravindhra, N. Narayana Reddy, K. Mohana Raju. Temperachersensitve hydrogels for antibacterial applications, (Presented Oral) National Conference on Emerging Materials. Department of Physics NBKR Science & ARTS College, Vidyanagar on July-18-19, 2009
Countries visited
United States (2011), South Africa (2012), Chile (2012-2019), Frances (2017), United Kingdom
(2018).
Memberships:
2017–2018 Membership No 645158- Royal Society of Chemistry (M-RSC)- Chemical Sciences 2016 to 2019 - Membership No 30656069, American Chemical Society (ACS).
2016 to 2021 - Membership No 8254156515, International Association of Advanced Materials 2017- Member of Ceramics and Biomaterials Research Group, Ton Duc Thang University, Ho Chi Minh City, Vietnam (IAAM, Sweden)
2011- Member, American Association of Pharmaceutical Scientists (AAPS), USA.
International conferences committees’ member in
2021- 5th International Conference on Biopolymers & Polymer Chemistry, Paris, France from August 16-18,
2021- 2nd International Conference on Biopolymers and Polymer Chemistry ISTBPC-2021, Prague, Czech Republic https://inovscitech.com/conference_detail?conf_id=43
2020-2nd Global Congress on Advanced Composite Materials-Organizing Committee- https://scientificfederation.com/composite-materials-2020/committee.php
2020-5th International Conference on Biopolymers and Polymer Chemistry-Program committee- https://scientificfederation.com/icbpc-2020/committee.php
2019-2nd International Conference on Advanced Materials and Technology (ICMAT-2019)- International Advisory Board Member.
2019-International Conference on Biotechnology and Bioengineering (9th ICBB 2019) Scientific Committee Member-https://www.icbb.ibch.poznan.pl/organizers/
2019- The 5th International Conference on Medicine Sciences and Bioengineering [ICMSB2019], June 21-22, 2019, Suzhou, China, http://www.icmsb2019.org/?op=committee 2019- Organizing Committee- 4th International conferences on biopolymers and polymer chemistry, Las Vegas, USA. https://scientificfederation.com/icbpc-2019/committee.php
2018- Program Committee-World Congress on Functional Materials and Nanotechnology-2018 2018- Organized International Symposium: New Strategies in Nanotechnology Research for Biomedical Applications, International Symposium
2018- International Advisory Committee member- International Conference on Applied Science and Technology (ICAST-2018)
2017- Organizing Committee member- Nano-Micro Conference 2017
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Junior and Senior Research Fellow
Sri krishnadevaraya university
India, 2007
2007- 2011 Junior and Senior Research Fellow- DRDO, GOVERNMENT OF INDIA
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Most cited Articles Awarded to Journal of Colloid and Interface Science
Elsevier Journals
India, 2009
42. Journal of Colloid and Interface Science Most Cited Articles 2008 to 2009 Awarded to P.S. Keshava Murthy, Y. Murali Mohan, K. Varaprasad, B. Sreedhar, K. Mohana Raju. For the Paper entitled “First successful design of semi-IPN hydrogel-silver nanocomposites: A facile approach for antibacterial application” This paper was published in Journal of Colloid and Interface Science.2008, 318, 217-224. ISSN: 0021-9797. Impact Factor: 5.091
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FONDECYT NO 3130748 project was awarded as a 1st RANK
FONDECYT
Chile, 2013
2013 FONDECYT NO 3130748, this project was placed on the RANKING Number One Project in the Group-1 of engineering in the project evaluation. Chile, Conception. Fondecyt-2013. It was published in Finoticias News
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FONDECYT de Iniciación project N0 11160073 awared as a 4th Rank
FONDECYT
Chile, 2016
project N0 11160073 award, and it placed in the Ranking Number 4 in the Group-3 of engineering (Bio-Engineering, for the Engineering Study Group 3 consider the following: "The project is the subject of tissue engineering and biochemistry) in the project evaluation
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FONDECYT Postdorsal 3190029
FONDECYT
Chile, 2019
Self-decontaminating fabrics for textile (defence) applications
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Conicyt-PCI 314229
FONDECYT
Chile, 2019
Smart Bioplastics Network
Novel inorganic hydrogels for biomedical applications |
Mannich Reaction: Review of Amine-Functionalized Lignin Derivatives and Their Applications |
A mini review on hydrogels classification and recent developments in miscellaneous applications |