DESCRIPTION :
Dr Rati Ranjan Nayak obtained his Master (1998) and PhD (2002) degree from Utkal University, Odisha. He has carried out postdoctoral research work at IIT, Kharagpur; Kyung Hee Univrsity, South Korea; Pusan National University, South Korea and Kyoto University, Japan. He has worked as fellow scientist in the CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), Bhubaneswar for more than 2 years, before joining CSIR-Indian Institute of Chemical Technology (CSIR-IICT) in the year 2011. In the year 2023, he has moved to CSIR-IMMT, Bhubaneswar as Senior Principal Scientist and holding the position of Professor AcSIR, New Delhi.
Dr Nayak's research group primary mission is to engineer high-performance, sustainable bio-based additives from low-cost, renewable feedstocks. By transforming agricultural byproducts like vegetable oils and sugar fractions from deoiled seed cakes, create tailored, biodegradable alternatives to imported petroleum-based additives. Our work directly impacts and advances the sustainability of the detergent, cosmetic, paint, and mineral beneficiation industries.
EXPERIENCE :2024 July: Scientist - F, CSIR-IMMT, Bhubaneswar
2023-2024: Scientist - E, CSIR-IMMT, Bhubaneswar
2019-2023: Scientist - E, CSIR-IICT; Hyderabad
2015-2019: Scientist - D, CSIR-IICT; Hyderabad
2011-2015: Scientist - C, CSIR-IICT; Hyderabad
2009-2011: QHF, CSIR-IMMT; Bhubaneswar, Orissa, India
2008-2009: Post Doc Fellow, Kyoto University, Japan
2007-2008: Post Doc Fellow, Pusan National University, Miryang, South Korea
2005-2007: Post Doc Fellow, Kyung Hee University, Suwon, South Korea
2003-2005: Research Associate, Indian Institute of Technology, Kharagpur, India
Biobased surfactants
Surface and self-assembly properties evaluation of synthetic amphiphiles
Additives and Specialty Chemicals for Mineral beneficiation process@
Gelation behavior of low molecular weight Organo gelator and its applications
Water soluble polymers for Bio sensor and Bio imaging
Polymer nanocomposite
AWARDS & HONOURS :Research Associate (CSIR), IIT Kharagpur from 2003-2005.
BK21 Post Doctoral Fellow, Kyung Hee University, South Korea, 2005-2007.
Pusan National University Post Doctoral Fellowship, South Korea, 2007-2008
G-COE post doctoral fellow, Kyoto University, Japan, 2008 –2009.
CSIR, Quick Hire Fellow Scientist, IMMT, Bhubaneswar, 2009-till date
Young Scientist award (2010) by Orissa Bigyan Academy, Dept. of Science and Technology, Odisha
1. Harnessing Glycolipids for Supramolecular Gelation: A Contemporary Review. Snehal Ashokrao Holey and R R Nayak*. ACS Omega 2024, 9, 25513−25538. DOI:10.1021/acsomega.4c00958
2. Hybrid Gels by Combining Low Molecular Weight Glycolipid Gelator with Agarose: A Promising Soft Material for Efficient Dye Removal. Snehal A Holey, R R Nayak*. New J Chem, 2024, 48, 3707 - 3716, DOI: 10.1039/D3NJ05119F
3. Effect of aromatic ring on surface and self-assembly properties of synthesized heterocyclic-based surfactants. D Patel, K P C Sekhar, R R Nayak, S Kanjilal. J Surfact Deterg. 2024, 27, 183–196. DOI: 10.1002/jsde.12711
4. Fabrication of Bifunctional Supramolecular Glycolipid-based Nanocomposite Gel: Insights into Electrocatalytic Performance with Effective Selectivity Towards Gold. Snehal A Holey, Pratyay Basak, Sreedhar B, R R Nayak*. Soft Matter, 2023, 19, 6305 - 6313, DOI: 10.1039/D3SM00921A
5. Supramolecular Glycolipid Based Hydro/Organogels with Enzymatic Bioactive Release Ability by Tuning Chain Length and Headgroup Size. Snehal A Holey, K P C Sekhar, D K Swain, Sreedhar B, R R Nayak*. ACS Biomater. Sci. Eng. 2022, 8(3), 1103-1114. DOI:10.1021/acsbiomaterials.1c01510
6. Tail-group unsaturation tailors the surface and self-assembly behavior of C18-fatty acid-based glycolipids. K P C Sekhar, D Patel, Snehal A Holey, S Kanjilal, R R Nayak*, J. Mol. Liq. 2022, 351, 118585. DOI: 10.1016/j.molliq.2022.118585
7. Effect of Oil Unsaturation and Wax Composition on Stability, Properties and Food Applicability of Oleogels. Snehal A Holey, K P C Sekhar, Shalini S Mishra, S Kanjilal, R R Nayak*. J. Am. Oil Chem.' Soc 2021, 98(12), 1189-1203. DOI: 10.1002/aocs.12536
8. Sunflower Wax-Based Oleogel Emulsions: Physicochemical Characterizations and Food Application. Snehal A Holey, K P C Sekhar, Shalini S Mishra, S Kanjilal, R R Nayak*. ACS Food Sci. Technol. 2021, 1(2), 152-164. DOI: 10.1021/acsfoodscitech.0c00050
9. Detection and quantification of palmolein and palm kernel oil added as adulterant in coconut oil based on triacylglycerol profile. Akhil C Komaram, E Anjaneyulu, K goswami, R R Nayak, S Kanjilal. J Food Sci Technol. 2021, 58(11), 4420-4428.DOI: 10.1007/s13197-020-04927-z
10. Mutual effect of solvent and Fe-In codoping on structural, optical and electronic properties of ZnO thin films prepared by spray pyrolysis technique. B Sahoo, S K Pradhan, D K Mishra, S K Sahoo, R R Nayak, D Behera. Optik - International Journal for Light and Electron Optics 2021, 228, 166134. DOI:10.1016/j.ijleo.2020.166134
11. Binary mixture of short and long chain glycolipids and its enhanced surface activity. K P C Sekhar, Vinita Solanki, S A Holey, Divya Patel, R R Nayak. Colloids Surf A Physicochem Eng Asp 2020, 601, 125008. DOI: 10.1016/j.colsurfa.2020.125008. (Impact Factor =3.789)
12. Unsaturation and Polar Head Effect on Gelation, Bioactive Release, and Cr/Cu Removal Ability of Glycolipids. K P C Sekhar, D K Swain, S A Holey, Sreedhar B, R R Nayak. Langmuir 2020, 36(12), 3080−3088. DOI: 10.1021/acs.langmuir.0c00349. (Impact Factor =3.789)
13. Effect of indium doping on microstructural, optical and fluorescence properties of ZnO thin films. B Sahoo, D Behera, S K Pradhan, R R Nayak. AIP Conference Proceedings 2020, 2265, 030285. DOI:10.1063/5.0016915
14. Supramolecular phenoxy-alkyl maleate-based hydrogels and its enzyme/pH-responsive curcumin release. B A Kumar, R R Nayak. New J Chem, 2019, 43(14), 5559-5567. DOI: 10.1039/C8NJ05796F. (Impact Factor =3.201)
15. A systematic surface studies on the glycolipids to understand the surface adsorption behavior. K P C Sekhar, P R Bangal, R R Nayak. Colloids Surf A Physicochem Eng Asp, 2019, 563, 226-236. DOI: 10.1016/j.colsurfa.2018.12.007. (Impact Factor =2.829)
16. Phenoxy-alkyl maleates as phase-selective organogelators for gelation of edible oils. B A Kumar, R R Nayak. Eur J Lipid Sci Technol, 2019, 121 (2), 1800364. DOI: 10.1002/ejlt.201800364. (Impact Factor =2.145)
17. Analysis of Structural, Optical and Electrical Properties of Nano-particulate Indium Doped Zinc Oxide Thin Films. B Sahoo, D Behera, S K Pradhan, D K Mishra, S K Sahoo, R R Nayak, K P C Sekhar. Mater. Res. Express 2019, 6, 1150a6. doi.org/10.1088/2053-1591/ab4cbd
18. Nonionic Glycolipids for Chromium Flotation- and Emulsion (W/O and O/W)-Based Bioactive Release. K P C Sekhar, R R Nayak. Langmuir, 2018, 34(47), 14347-14357. DOI: 10.1021/acs.langmuir. 8b03138. (Impact Factor =3.789)
19. Impact of Glycolipid Hydrophobic Chain Length and Headgroup Size on Self-Assembly and Hydrophobic Guest Release. K P C Sekhar, H Adicherla, R R Nayak. Langmuir, 2018, 34(30), 8875−8886. DOI: 10.1021/acs.langmuir.8b01401. (Impact Factor =3.789)
20. Synthesis and studies on gelation ability of phenol based maleate amphiphile and its application in nutraceutical release. B A Kumar, S R Chowdhury, S Mishra, R R Nayak. Colloids and Surfaces A 2018, 537, 310–317. (Impact Factor =2.829)
21. Studies on hydroquinone based maleate bolaamphiphile organogels and their drug formulations. B A Kumar, R R Nayak Soft Materials 2018, 16(2), 108-116. (Impact Factor =1.132)
22. Gel-Emulsion Properties of Nontoxic Nicotinic Acid-Derived Glucose Sensor. A Roy, S Roy, A Pradhan, S M Choudhury, R R Nayak. Ind. Eng. Chem. Res. 2018, 57 (8), 2847–2855. (Impact Factor =2.843)
23. Temperature Controlled Evolution of Silver Polypods from Biomass Encapsulated Nano-Droplets. R R Nayak, D Behera, N Pradhan, D K Mishra. Journal of Nanoscience and Nanotechnology 2018, 18, 394–400. (Impact Factor =1.354)
24. Cyclic lipopeptide biosurfactant from Bacillus tequilensis exhibits multifarious activity. A K Pradhan, A Rath, N Pradhan, R K Hazra, R R Nayak, S Kanjilal. 3 Biotech 2018, 8, 261(1-7). https://doi.org/10.1007/s13205-018-1288-x. (Impact Factor =1.497)
25. Amphiphilic comb-like polymer-modified graphene oxide and its nanocomposite with polystyrene via emulsion polymerization. Rajender N, P R Darapureddi, R R Nayak, K I Suresh. Colloid Polym Sci. 2018, 296, 133-144. (Impact Factor =1.723)
26. Synthesis and Surface Properties of Anionic Vinylguaiacol Based Surfactants. P R Darapureddi, B A Kumar, S S Deshpande, K Dhevendar, S Misra, R R Nayak. Tenside Surf. Det. 2017, 54(1), 18- 26. (Impact Factor =0.819)
27. Organogelation of self-assembling segmented poly(urethane acylsemicarbazides) and their dye adsorbing properties. B Sravan, R R Nayak, P Aruna. Polymer 2017, 114 199-208. (Doi:10.1016/j.polymer.2017.03.004). (Impact Factor =3.483)
28. Synthesis, Surface Properties and Effect of an Amino Acid Head Group of 11-(2-Methoxy-4-vinylphenoxy)undecanoicacid-Based Anionic Surfactants. P R Darapureddi, R R Nayak. J Surfact Deterg 2016, 19, 1133–1142, DOI
10.1007/s11743-016-1869-9. (Impact Factor =1.853)
29. Stimuli-Responsive Drug Delivery by Self-Assembled Polymers. R R Nayak, S S Kaki, A Das; In Encyclopedia of Biomedical Polymers and Polymeric Biomaterials. Taylor and Francis: New York, Published online: 27 Jan 2016; 7610-7621. (DOI: 10.1081/E-EBPP-120049899)
30. Stimuli Responsive Self-Assembly of 3-(Octyloxy)-3-Oxopropyl Acrylate-Co-Acrylic Acid Polymer in Aqueous Media. P Phani Kumar, R R Nayak, A Shivaraju, N Amarnath, B. Sreedhar, P P Chakrabarti, S Kanjilal. J Surfact Deterg 2016, 19, 619–626, DOI 10.1007/s11743-016-1809-8. (Impact Factor =1.853)
31. Biological sequestration of cadmium by microalgae Scenedesmus as CdS nanoparticles. J Jena, N Pradhana, V. Aishvarya, R R Nayak, B P Dash, L B Sukla, P K Panda, B K Mishra. J of Applied Phycology. 2015, 27(6), 2251-2260. DOI 10.1007/s10811-014-0499-8. (Impact Factor = 2.372)
32. Surface and Antimicrobial Properties of N-Palmitoyl Amino Acid-Based Surfactants. M Sreenu, R R Nayak, R B N Prasad, Y Poornachandra, C Ganesh Kumar. J. Disper. Sci. Technol. 2015. 36(6), 765-771 (Impact Factor =1.112)
33. Synthesis and Evaluation of Surface Properties of a novel Sodium 3-(3-alkyloxy-3-oxopropoxy)-3-oxopropane-1-sulfonate. P Phani Kumar, R R Nayak, S Kanjilal. J. Surf. Det. 2015.18, 689-695. (Impact Factor =1.853)
34. Microalga Scenedesmus sp.: A Potential Low Cost Green Machinery for Silver Nanoparticle Synthesis. J Jena, N Pradhan, R R Nayak, B P Das, L B Sukla, P K Panda, B K Mishra. J. Microbiol. Biotechnol 2014. 24(4), 522–533. (Impact Factor =1.685)
35. Synthesis, Surface and Micellar Properties of Sodium N-Oleoyl Amino Acids. M Sreenu, R R Nayak, R B N Prasad, B Sreedhar. Colloids and Surfaces A 2014, 449, 74-81. (Impact Factor =2.829)
36. Synthesis and Evaluation of Surface Properties of Undecanoic and 10-Undecenoic Acids based Amidobetaines and Amidoamine Oxides. S Akula, R R Nayak, S Kanjilal. J. Surf. Det. 2014. 17, 1021–1026 (Impact Factor =1.853)
37. Effect of amide hydrogen bonding on spontaneously formed gel-emulsions by two pyridyl carboxylic acid based amphiphiles, sodium salt of 2-dodecylpyridine-5-carboxylic acid and sodium salt of [2-dodecylpyridine-5-carboxylic]glycine: entrapment and release of vitamin B12. A Roy, M Maiti, R R Nayak, S Roy. J. Mater. Chem. B 2013, 1, (41) 5588–5601. (Impact Factor =4.872)
38. Low temperature oxygen plasma assisted surface modification of raw silk fibre and their characterizations. R R Nayak, L B Sukla, B K Mishra. Int J Plast Technol. 2013, 17(1), 1-9
39. Enhanced Inorganic Carbon Uptake by Chlorella sp. IMMTCC-2 under Autotrophic Conditions for Lipid Production and CO2 Sequestration. V Aishvarya, N Pradhan, R R Nayak, L B Sukla, B K Mishra. Journal of Applied Phycology, 2012, 24, 1455-1463. (Impact Factor =2.372)
40. Microbial treatment of lateritic Ni-ore for iron phase conversion and their characterization. N Pradhan, R R Nayak, D K Mishra, E Priyadarshini, L B Sukla, B K Mishra. World Environment 2012, 2(6), 110-115
41. Green synthesis of Silver Nanoparticle by Penicillium purpurogenum NPMF: The Process and Optimization. R R Nayak, N Pradhan, D Behera, K M Pradhan, S Mishra, L B Sukla, B K Mishra. J Nanopart Res 2011, 13, 3129-3137. (Impact Factor =2.101)
42. In situ synthesis of entrapped silver nanoparticles by a fungus—Penicillium purpurogenum. N Pradhan, R R Nayak, A K Pradhan, L B Sukla, B K Mishra. Nanoscience and Nanotechnology Letters, 2011, 3, 659-665. (Impact Factor =1.007)
43. Non-surface activity of cationic amphiphilic diblock copolymers. R R Nayak, T Yamada, H Matsuoka. IOP Conference Series: Materials Science and Engineering, 2011, 24, 012024.
44. Two-Photon Absorption Properties of Cationic 1,4-Bis(styryl)benzene Derivative and Its Inclusion Complexes with Cyclodextrins. O K Nag, R R Nayak, C S Lim, I H Kim, K Kyhm, B R Cho, H Y Woo. J Physical Chem B 2010, 114, 9684–9690. (Impact Factor =3.187)
45. Ring-Opening Metathesis Polymerization-Based Synthesis of Polymeric Nanoparticles for Enhanced Tumor Imaging in Vivo: Synergistic Effect of Folate-Receptor Targeting and PEGylation. K Miki, K Oride, S Inoue, Y Kuramochi, R R Nayak, H Matsuoka, H Harada, M Hiraoka, K Ohe. Biomaterials 2010, 31, 934-942. (Impact Factor =8.387)
46. Synthesis and photo-physical properties of Polymeric soft materials and its application in FRET based DNA sensor. R R Nayak, N Pradhan, L B Sukla, B K Mishra. Int. J. Plast. Technol. 2010, 14, S1-S6
47. A Micellar Complex of a Conjugated Polyelectrolyte for Efficient FRET to Dye-Labeled DNA. R R Nayak, O K Nag, M J Kang, Y Jin, H Suh, K H Lee, H Y Woo. Macromolecular Rapid Communication, 2009, 30, 633-638. (Impact Factor =4.638)
48. Signal Amplification by Changing Counterions in Conjugated Polyelectrolyte-Based FRET DNA Detection. M J Kang, O K Nag, R R Nayak, S Hwang, H Suh, H Y Woo, Macromolecules, 2009, 42, 2708-2714. (Impact Factor =5.554)
49. Synthesis and Fluorescence Study of Water-Soluble Conjugated Polymers for Efficient FRET-based DNA Detection, R R Nayak, O K Nag, H Y Woo, S Hwang, D Vak, D Korystov, Y Jin, H Suh, Current Applied Physics, 2009, 9(3), 636-642. (Impact Factor =2.144)
50. Water-soluble polyfluorene copolymers with different counterions for signal amplification in FRET-based DNA detection. M Kang, O K Nag, R R Nayak, S Hwang, H Y Woo, Polymer Preprints, 2009, 50(2), 733-734
51. Self-Association and Microenvironment of Random Amphiphilic Copolymers of Sodium N-Acryloyl-L-valinate and N-Dodecylacrylamide in Aqueous Solution, P Dutta, J Dey, G Ghosh, R R Nayak, Polymer, 2009, 50(6), 1516-1525. (Impact Factor =3.6)
52. Thermal and X-ray diffraction Studies on Interpenetrating Polymer Networks of Soybean oil based Polyurethane and Cardanol based dye. R R Nayak, G Ray, S Lenka, Polymer-Plastic Technology and Engineering, 2009, 48, 503-508. (Impact Factor =1.511)
53. A new route to synthesize polystyrene polymer brush on single-walled carbon nanotube and their characterization, R R Nayak, A M Shanmugharaj, S H Ryu, Macromolecular Chemistry and Physics, 2008, 209(11), 1137–1144. (Impact Factor =2.495)
54. Water-Soluble Distyrylbenzene Fluorophore and its Fluorescence Behavior in a Polymeric Vesicle. R R Nayak, H Y Woo, Journal of the Korean Chemical Society, 2007, 51(6), 513-519
55. Synthesis and characterization of styrene grafted carbon nanotube and its polystyrene nanocomposite, R R Nayak, K Y Lee, A M Shanmugharaj, S H Ryu, European Polymer Journal, 2007, 43(12), 4916-4923. (Impact Factor =3.485)
56. Poly(styrene-co-acrylonitrile) grafted multiwall carbon nanotubes by surface initiated atom transfer radical polymerization, A M Shanmugharaj, J H Bae, R R Nayak, S H Ryu. J. Polym. Sci. Part A, 2007, 45, 460-470. (Impact Factor =3.113)
57. Characterization of polymeric vesicles of poly(sodium 11-acrylamidoundecanoate) in water. R R Nayak, S Roy, J Dey, Colloid Polym Sci, 2006, 285, 219-224. (Impact Factor =1.89)
58. Stable Vesicle Formation Through Intra- and Inter-chain Aggregation of Poly[sodium N-(11-acrylamidoundecanoyl)-L-valinate] in Aqueous Solution. S Roy, R R Nayak, J Dey, Colloids and Surfaces A, 2006, 290, 62-69. (Impact Factor =2.829)
59. Characterization and self-assembly of poly[sodium N-(11-acrylamidoundecanoyl)-L-alaninate] in water. R R Nayak, S Roy, J Dey, Polymer, 2005, 46(26), 12401-12409. (Impact Factor =3.6)
60. Comparative studies of interpenetrating polymer network derived from Soyabean oil based Polyurethane and m-aminophenol dye, R R Nayak, G Ray, B N Guru, S Lenka, Polymer-Plastic Technology Engineering, 2004, 43(1), 261-272. (Impact Factor =1.511)
61. Inclusion Complexes and Graft Polymerization of Methylmethacrylate using Ce4+-Ascorbic acid Redox System, R R Nayak, J R Swain, M K Mishra, S Lenka, Int. J. Plast. Technol., 2004, 8, 257-266.
62. Molecular Composites- III: Inclusion Complexes and Graft Polymerization of Methyl- methacrylate by Radical initiating system, S Lenka, R R Nayak, M K Mishra, G E Wnek, R M Ottenbrite, Designed Monomers and Polymers, 2002, 5, 339-352. (Impact Factor =1.497)