1) Combinatorial nanomedicines: Cancer patients undergo vigorous combination chemotherapeutic protocols. Due to variations in pharmacokinetics, membrane transport and biodistribution properties of different chemotherapeutics, dosage and optimization of drug scheduling become highly difficult. Combination nanomedicines offer vehicle uniformity, ratiometric drug loading with temporal site-specific release of the drugs. Our group investigates polymeric core-shell nanoparticles for compartmentalization and sequential release of two or more chemotherapeutics.
2) Organo-Inorganic Biomaterials for Theranostics: Multifunctional biomaterials offer a ‘One for All’ approach towards precise in vivo detection and subsequent treatment of solid tumors. Our group investigates organo-inorganic composite biomaterials for simultaneous therapy and imaging of cancerous tissues.
3) Plasmonic nanomaterials for Photothermal Therapy: Cancer drug resistance is an evolving paradigm that is interconnected with a multitude of signaling pathways regulating cell survival, growth and proliferation. Gold-based anisotropic nanostructures such as nanoshells have shown huge success in combating resistant tumors. With better engineering of these nanoshells, a new generation of nanomedicines may emerge that can effectively combat undruggable advanced cancers. Our group explores such an arena, where asymmetric plasmonic nanoparticles will be systematically explored for photothermal therapy against drug-resistant cancers.
4) Anti-bacterial Phototherapy: Multidrug-resistant bacterial strains are on the rise and there is a need for alternatives molecular
therapies. Our group in collaboration with organic and material chemists
develops nanocomposites that respond to specific wavelengths of light
to produce reactive oxygen species towards lysing infectious bacterial
Pranjali et al prepared a mesoporous magnetic nanohybrid functionalized with 14 wt% carbon nitride (CN) and loaded with curcumin (Cur) for combination platform for photodynamic therapy and magnetic hyperthermia. CN-Cur complexes on the nanoparticle surface facilitate fast charge separation of hole-electrons under blue LED light irradiation and subsequent singlet oxygen generation. Cur release from the nanoparticle was significant only when exposed to both lysosomal pH (pH=5.2) and an alternating current magnetic field (AMF). The mesoporous magnetic carbon nitride (MMCN) caused a 350% increase in the level of intracellular ROS as compared to the light-exposed untreated control group. The nanohybrid was non-hemolytic and found to be biocompatible with HUVEC cells at concentrations up to 360 µg/mL. A similar concentration under AMF exposure caused a localized temperature rise of 4.2 °C and resulted in a60% reduction in C6 cell viability. The cancer cell death further increased up to 80% under sequential exposure to light and AMF. The combinatorial treatment exerted significant cytoskeletal and nuclear damage in the cancer cells as assessed by confocal microscopy. The nanohybrid also exhibited relaxivity of 88 mM-1 s-1, imparting significant T2weighted contrast to the cancer cells.
Navneet Kaur et al studied high and low molecular weight PLGA nanoparticles with glycol chitosan and carboxymethyl chitosan coating Glycol chitosan reduced Extraneous Paclitaxel Precipitates (EPPs) during LMW PLGA nanoprecipitation for uniform intracellular drug delivery. Molecular weight wise composition of protein corona varied distinctly between glycol chitosan and carboxymethyl chitosan coatings. Glycol chitosan-coated nanoparticles fared better in terms of compatibility with RBC in its nascent form irrespective of its positive charge.
More info: Navneet Kaur, Purvi Mathur, Pranjali Yadav, Swaroop Chakraborty, Asifkhan Shanavas, Glycol chitosan in situ coating on PLGA nanoparticle curtails extraneous paclitaxel precipitates and imparts protein corona independent hemocompatibility, Carbohydrate Polymers, 2020. 237, 116170.
Reg. No.: PH20201
Reg. No.: PH16215
Reg. No.: PH17227
Reg. No.: PH19207
Reg. No.: PH15205
Microwave mediated synthesis of dopamine functionalized copper sulphide nanoparticles: An effective catalyst for visible light driven degradation of methlyene blue dye: Deepak Rohilla, Navneet Kaur, Asifkhan Shanavas, Savita Chaudhary, (2021) Chemosphere, 277: 130202. DOI: 10.1016/j.chemosphere.2021.130202
Emissive radiodense stealth plasmonic nanohybrid as X-ray contrast and photo-ablative agent of cancer cells: Jinal M Mehta, Nishant K Jain, Deepak S Chauhan, Rajendra Prasad, Mukesh K Kumawat, Mukesh Dhanka, Asifkhan Shanavas, Rohit Srivastava, (2021) Materials Today Communications, 27: 102181. DOI: 10.1016/j.mtcomm.2021.102181
The Role of Gold Nanoclusters as Emerging Theranostic Agents for Cancer Management: Kritika Sood, Asifkhan Shanavas, (2021) Current Pathobiology Reports, 9: 33-42. DOI: 10.1007/s40139-021-00222-4
Natural derivatives with dual binding potential against SARS-CoV-2 main protease and human ACE2 possess low oral bioavailability: a brief computational analysis: Priyanka Sharma, Asifkhan Shanavas, (2020) Journal of Biomolecular Structure and Dynamics, 0: 1-12. DOI: 10.1080/07391102.2020.1794970
Synthesis and Anti‐Proliferative Activity of a Triazole‐Fused Thymidine Analogue: A Rahman, P Sharma, N Kaur, A Shanavas*, and PP Neelakandan*, (2020) ChemistrySelect, 5: 5473-5478. DOI: 10.1002/slct.202001013
Dopamine functionalized CuO nanoparticles: A high valued “turn on” colorimetric biosensor for detecting cysteine in human serum and urine samples: D Rohilla, S Chaudhary, N Kaur, A Shanavas, (2020) Materials Science and Engineering: C, 110: 110724. DOI: 10.1016/j.msec.2020.110724
Glycol chitosan in situ coating on PLGA nanoparticle curtails extraneous paclitaxel precipitates and imparts protein corona independent hemocompatibility: N Kaur, P Mathur, P Yadav, S Chakraborty, A Shanavas, (2020) Carbohydrate Polymers, 237: 116170. DOI: 10.1016/j.carbpol.2020.116170
Aggregation Enhances Luminescence and Photosensitization Properties of a Hexaiodo-BODIPY: PPP Kumar, P Yadav, A Shanavas, and PP Neelakandan*, (2020) Mater. Chem. Front., 4: 965-972. DOI: 10.1039/D0QM00010H
Nanomolar Detection of Biothiols via Turn-ON Fluorescent Indicator Displacement: PPP Kumar, N Kaur, A Shanavas, and PP Neelakandan*, (2020) Analyst, 145: 851-857. DOI: 10.1039/C9AN02222H
Magnetic and photocatalytic curcumin bound carbon nitride nanohybrids for enhanced glioma cell death: Yadav, Pranjali; Zhang, Cheng; Whittaker, Andrew; Kailasam, Kamalakannan, (2019) ACS Biomaterials Sciences and Engineering, 5: 6590. DOI: 10.1021/acsbiomaterials.9b01224
A polymeric core-shell combinatorial nanomedicine for synergistic anticancer therapy: Shanavas, Asifkhan; Jain, Nishant; Kaur, Navneet; Thummuri, Dinesh; Prasanna, Maruthi; Prasad, Rajendra; Naidu, Vegi; Bahadur, Dhirendra; Srivastava, Rohit, (2019) ACS Omega, Just accepted manuscript. DOI: 10.1021/acsomega.9b02167
A Three-Component Supramolecular Nanocomposite as a Heavy-Atom-Free Photosensitizer: PPP Kumar, P Yadav, A Shanavas, S Thurakkal, J Joseph, and PP Neelakandan*, (2019) Chem. Commun., 55: 5623-5626. DOI: 10.1039/C9CC02480H
Metal-free visible light photocatalytic carbon nitride quantum dots as efficient antibacterial agents: An insight study: P Yadav, N S Thangaraj, B Purohit, A Shanavas, K Kailasam, (2019) Carbon, 152: 587. DOI: 10.1016/j.carbon.2019.06.045
Synthesis and characterizations of luminescent copper oxide nanoparticles: Toxicological profiling and sensing applications: S Chaudhary, D Rohilla, A Umar, N Kaur, A Shanavas, (2019) Ceramics International, 45, 12,: 15025.. DOI: 10.1016/j.ceramint.2019.04.239
Glycol chitosan assisted in situ reduction of gold on polymeric template for anti-cancer theranostics: A Shanavas, A K Rengan, D Chauhan, L George, M Vats, N Kaur, P Yadav, P Mathur, S Chakraborty, A Tejaswini, A De, R Srivastava, (2018) Int. J. Biol. Macromol, 110: 392-398. DOI: 10.1016/j.ijbiomac.2017.11.127
Enhanced EPR directed and Imaging-guided Photothermal Therapy using Vitamin E Modified Toco-Photoxil: D S Chauhan, A B Bukhari, G Ravichandran, R Gupta, L George, R Poojari, A Ingle, A K Rengan, A Shanavas, R Srivastava, A De, (2018) Scientific Reports, 8: . DOI: 10.1038/s41598-018-34898-3
Supramolecular confinement within chitosan nanocomposites enhance singlet oxygen generation: K Naim, S T Nair, P Yadav,A Shanavas, P P Neelakandan, (2018) ChemPlusChem, 83: 418 –422.. DOI: /10.1002/cplu.201800041
Gold laced bio-macromolecules for theranostic application: P Yadav, S P Singh, A K Rengan, R Srivastava,A Shanavas, (2018) Int. J. Biol. Macromol, 110: 39-53. DOI: 10.1016/j.ijbiomac.2017.10.124
Magnetic core-shell hybrid nanoparticles for receptor targeted anti-cancer therapy and magnetic resonance imaging: A Shanavas, S Sasidharan,D Bahadur,R Srivastava, (2017) Journal of Colloid and Interface Science, 486: 112-120. DOI: 10.1016/j.jcis.2016.09.060
Biocompatible Amphiphilic Pentablock Copolymeric Nanoparticles for Anti-Cancer Drug delivery,: K Byagari, A K Rengan, G C Kundu and R Srivastava, (2014) Journal of Biomedical Nanotechnology, 10: 1-11. DOI: 10.1166/jbn.2014.1791
Magnetic polycaprolactone nanoparticles for anticancer drug delivery: R Patel, A Shanavas,M Aslam,D Bahadur,R Srivastava, (2013) Journal of Nanoscience Letters, 3: 8.
Polyelectrolyte Coated Polymeric Nanoparticles for Controlled Release of Docetaxel: R Agrawal, S Yadav, M Aslam, D Bahadur, and R Srivastava, (2012) Journal of Biomedical Nanotechnology, 8: 1-10. DOI: 10.1166/jbn.2012.1355
Core or/and Surface modified Nanomedicines for Controlled Release of Drug: Dhirendra Bahadur, Rohit Srivastava, (2012) Nanotechnology, .
One-pot process for preparation of metallic semi shells with metal organic framework as template: Kritika Sood,Purvi Mathur, Pranjali Yadav,Navneet Kaur,Rohit Srivastava,Abhijit De,Asifkhan Shanavas, (2021) Indian patent application number:: 202111016843 Date of filing: April 9, 2021., .
A hydrogel composition, process of preparation and application thereof: Asifkhan Shanavas,Prakash Pandisala Neelakandan,Panangattukara Prabhakaran Praveen Kumar,Navneet Kaur, (2021) Indian patent application number: 202111001281 Date of filing: January 11, 2021, .
TPGS COMPRISED GOLD COATED POLY -(LACTIC-CO-GLYCOLIC ACID) NANOSTRUCTURES AND PROCESS FOR ITS PREPARATION: Rohit Srivastava, Deepak Singh Chauhan, Radhika Poojari, Aravind Kumar Rengan, Abhijit De, Amirali Bakarali Bukhari, Asifkhan Shanavas, (2020) Application number: 4082/MUM/2015, Indian Patent Number: 354678, Date of filing: 28 October 2015, Date of grant & recordation in the register of patent: 29 December 2020, .
Multi-layer Nanocomposite: Rohit Srivastava, Dhirendra Bahadur,Mohammed Aslam,Sonara Dineshkumar Keshavlal, Asifkhan Shanavas, (2016) Application number: 811/MUM/2011, Indian Patent Number: 271416, Date of filing: 21st March 2011, Date of grant & recordation in the register of patent: 19th Feb 2016, .
Systems Oncology conference: Cochin, Kerala., (2017) .
Invited Talk at 3rd Annual Personalized Nanomedicine Symposium: Florida International University, Miami, USA, (2016) .
International Symposium on Nanotechnology and Cancer Theranostics (ISNACT): IIT Bombay., (2015) .
Invited talk: at ICMR sponsored National Conference on Nanotechnology in Drug Delivery Research: Innovations, Challenges and Opportunities, SPPSPTM, NMIMS, Mumbai., (2015) .
Indo-Australian conference on Tissue Engineering, Drug Delivery System and Regenerative Medicine (BiTERM): Anna University, (2015) .
4th Annual Meeting of American Society for Nanomedicine: Maryland, USA., (2014) .
3rd NanoToday Conference: Singapore, (2013) .
4th Bangalore Nano conference: Bangalore, India., (2011) .
XIX International Conference on Bioencapsulation: Amboise, France., (2011) .
Indian Institute of Technology Bombay, India.
Amrita Centre for NanoSciences, Kochi, India.
PSG College of Arts and Sciences, Coimbatore, India.
PSG College of Arts and Sciences, Coimbatore, India
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2016- 2017: DBT Indo-Australian Career Boosting Gold Fellowship
2010- 2014: MHRD Institute Teaching Assistantship, IIT Bombay
2013: DST Travel Grant
2011: Bioencapsulation Research Group Travel Grant
2008-2010: DST fellowship, MTech Nanomedical Sciences, ACNS
2006: JNCASR summer research fellowship
Indian Association for Cancer Research
American Society for Nanomedicine
Indian Society of Nano Medicine
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