Designation: Assistant Professor
Department: Physics
Email: rpgiri[at]iitism[dot]ac[dot]in
Contact Number:
Office Number: +91-326-223-5225
Personal Page: Click Here
About Me: I am an experimental nano-bio interface physicist interested in looking at the surface and interface phenomena in biophysical systems. I investigate the structure & dynamics and thermodynamics of biological membranes in presence of protein, cholesterol, drug and xenobiotic nanoparticles for applications in nanobiotechnology, disease diagnosis and treatment. I use various cutting-edge physics tools including X-ray reflectivity (XRR), Grazing incidence diffraction (GID), Grazing incidence small angle X-ray scattering (GISAXS), X-ray fluorescence (XRF), neutron scattering and Langmuir-Blodgett methods. I obtained Ph.D in physics from the Saha Institute of Nuclear Physics, Kolkata, India, in 2017. Following that, I worked as a Postdoctoral Researcher at Kiel University, Germany, and Deutsches Elektronen-Synchrotron (DESY) in Hamburg, Germany. I also hold an M.Sc. in Physics from IIT Kharagpur and a B.Sc. (Physics Hons.) from Ramakrishna Mission Residential College, Narendrapur, affiliated with the University of Calcutta, Kolkata.
Research Interest: Nano-bio Interface; Biomembrane Structure & Thermodynamics; Drug, Nanoparticle and Protein Interaction with Membrane; X-ray And Neutron Scattering; Ultrafast Pump-probe Surface Dynamics
| PhD | Saha Institute of Nuclear Physics, Kolkata | 2012-2017 |
| Post M.Sc | Saha Institute of Nuclear Physics, Kolkata | 2011-2012 |
| M.Sc | Indian Institute of Technology Kharagpur | 2009-2011 |
| B.Sc | RKMRC Narendrapur (Calcutta University) | 2006-2009 |
| Assistant Professor | Department of Physics, Indian Institute of Technology (ISM) Dhanbad | 2023-Present |
| Research Assistant Professor | The University of Chicago (Stationed at Argonne National Laboratory), Illinois, USA | 2023 |
| Postdoc | Kiel University, Germany and DESY, Germany | 2018-2023 |
| Visiting Scientist | JNCASR (India) & RAL (UK) | 2017 |
| Assistant Professor | DSM College Jhajha (UnderTM Bhagalpur University, Bihar) | 2017 |
| Name of award | Awarding agency | Year |
| Early Career Award | Kiel Nano Surface and Interface Science, Germany | 2022 |
| RACIRI Travel Grant | Röntgen-Angström-Cluster (RÅC) and the Ioffe-Röntgen-Institute (IRI) | 2018 |
| Best poster | Young Scientist Colloquium by MRSI, India | 2016 |
| M-C-M scholarship | IIT Kharagpur | 2010 |
| M-C-M scholarship | Govt. of West Bengal | 2009 |
| Prof. K. P. Memorial prize | RKMR College Narendrapur | 2009 |
S. Sarkar, D. Bose, R. P. Giri, M. K. Mukhopadhyay, A. Chakrabarti, ‘Status of Membrane Asymmetry in Erythrocytes: Role of Spectrin’. In: K. Chattopadhyay, S. Basu (eds) Biochemical and Biophysical Roles of Cell Surface Molecules. Advances in Experimental Medicine and Biology, vol 1112, pp 3-11. Springer Nature, Singapore (2018); DOI: 10.1007/978-981-13-3065-0_1
A. Singh, M. K. Mukhopadhyay, M. K. Sanyal, R. P. Giri, J. Webster, B. Murphy, Role of lanthanide ions in the formation of commensurate and incommensurate structures at the air-water interface: insights from X-ray and neutron studies, Chem. Phys. Lett. 879, 142385, 2025; DOI: https://doi.org/10.1016/j.cplett.2025.142385
S. C. Hövelmann, M. Röhrl, E. Dieball, M. Dargasz, J. Kuhn, R. P. Giri, F. Reise, D. Soloviov, C. E. Blanchet, M. Paulus, T. K. Lindhorst, B. M. Murphy, 'Kinetics of light induced mesophase transitions in azobenzene amphiphiles containing lyotropic liquid crystals', J. Appl. Crystallogr. 58, 1322-1331, 2025; DOI: https://doi.org/10.1107/S1600576725004923
A. Seth, R. P. Giri, N. Hayen, Prashant Hitaishi, Bridget M. Murphy, Sajal K. Ghosh, 'Cholesterol modulated assembly of graphene oxide nano-flakes at a phospholipidinterface', Colloids and Surfaces B: Biointerfaces 255, 114934, 2025; DOI: https://doi.org/10.1016/j.colsurfb.2025.114934
J. P. Hazelnis, A. Sartori, H. Wu, R. P. Giri, B. Murphy, O. Magnussen, S. Maldonado, In Situ X-ray Scattering Studies of the Interface Structure of Liquid Hg–In Electrodes in Aqueous Solution, J. Phys. Chem. C 129, 14378-14389, 2025; DOI: https://doi.org/10.1021/acs.jpcc.5c03466
N. Jaglan, G. Sharma, P. Hitaishi, R. P. Giri, N. Hayen, B. Murphy, S. K. Ghosh, ‘Assembling Xanthan gum at air-water interface and disentangling it by ionic liquids’, Langmuir 41 (13), 8535-8544 (2025); DOI: 10.1021/acs.langmuir.4c04743
S. Chowdhury, M. K. Mukhopadhyay, M. K. Sanyal, S. Bhunia, B. Satpati, R. P. Giri, B. Bharatiya, C. Shen, B. M. Murphy, ‘Investigation on the formation of two dimensional perovskite nanostructures at the water surface through self-initiated reaction’, Sci. Rep. 15, 1 (2025); DOI: 10.1038/s41598-024-78259-9
A. Seth, P. Mandal, P. Hitaishi, R. P. Giri, B. M. Murphy, S. K. Ghosh, ‘Assembly of graphene oxide vs. reduced graphene oxide in a phospholipid monolayer at air–water interfaces’, Phys. Chem. Chem. Phys. 27, 1884-1900 (2025); DOI: 10.1039/D4CP02706J
S. Hövelmann, E. Dieball, J. Kuhn, M. Dargasz, R. P. Giri, F. Reise, M. Paulus, T. Lindhorst, B. Murphy, 'Photoinduced bidirectional mesophase transition in vesicles containing azobenzene amphiphiles', IUCr Journal, 11, 1-8 (2024); DOI: 10.1107/S2052252524004032
S. Raghav, P. Hitaishi, R. P. Giri, A. Mukherjee, V. K. Sharma, S. K. Ghosh, ‘Selective assembly and insertion of ubiquicidin antimicrobial peptide in lipid monolayers’, J. Mater. Chem. B 12, 11731-11745 (2024); DOI: 10.1039/D4TB01487A
S. Chowdhury, M. K. Mukhopadhyay, M. K. Sanyal, S. Bhunia, B. Satpati, R. P. Giri, B. Bharatiya, C. Shen, B. M. Murphy, ‘Solution processed hybrid lead perovskite films for white light emission and lasing applications’, Adv. Funct. Mater., 34, 2401334 (2024); DOI: 10.1002/adfm.202401334
J. E. Warias, L. Petersdorf, S. C. Hövelmann, R. P. Giri, C. Lemke, S. Festersen, M. Greve, P. Mandin, D. LeBideau, F. Bertram, O. M. Magnussen, B. M. Murphy, ‘The laser pump X-ray probe option at LISA P08 PETRA III’, J. Synchrotron Rad., 31, 779-790 (2024); DOI: 10.1107/S1600577524003400
R. P. Giri*, S. Chowdhury, M. K. Mukhopadhyay, A. Chakrabarti, M. K. Sanyal, ‘Ganglioside GM1 drives hemin and protoporphyrin adsorption in phospholipid membrane: a structural study’, J. Phys. Chem. B 128, 2745-2754 (2024), DOI: 10.1021/acs.jpcb.3c08239 (*Corresponding author)
H. Fernandez, A. El Haitami, A. Hemmerle, C. Shen, P. Jordt, R. P. Giri, P. Fontaine, S. Cantin, ‘Tuning the order of poly (3-alkylthiophene) derivatives ultrathin films through side-chain polarity: From a short-range ordered monolayer to a highly crystalline bilayer’, Polymer 294, 126719 (2024), DOI: 10.1016/j.polymer.2024.126719
A. Das, R. P. Giri, M. K. Mukhopadhyay, ‘A liquid cell for structural investigations of supported lipid membrane by synchrotron X-rays over a wide temperature range’, Instrum. Exp. Tech., 67, 179-187 (2024); DOI: 10.1134/S0020441224700015
G. Sharma, A. Seth, R. P. Giri, N. Hayen, B. M. Murphy, S. K. Ghosh, ‘Ionic liquid-induced assembly of DNA at air−water interface’, Langmuir, 39, 16079-16089 (2023), DOI: 10.1021/acs.langmuir.3c02212
J. E. Warias, F. Reise, S. C. Hövelmann, R. P. Giri, M. Röhrl, J. Kuhn, M. Jacobsen, K. Chatterjee, T. Arnold, C. Shen, S. Festersen, A. Sartori, P. Jordt, O. M. Magnussen, T. K. Lindhorst & B. M. Murphy, ‘Photoinduced bidirectional switching in lipid membranes containing azobenzene glycolipids’, Sci. Rep. 13, 11480 (2023); DOI: 10.1038/s41598-023-38336-x
R. P. Giri, M. K. Mukhopadhyay, M. K. Sanyal, D. Bose, A. Chakrabarti, P. Quan, W. Bu, B. Lin, ‘Structural flexibility of proteins dramatically alters membrane stability - A novel aspect of lipid-protein interaction’ J. Phys. Chem. Lett. 13, 49, 11430-11437 (2022); DOI: 10.1021/acs.jpclett.2c02971
R. P. Giri*, M. K. Mukhopadhyay, ‘Humidity responsive polymer cushion supported biomimetic membrane: A model system for X-ray studies’, Langmuir 38, 49, 15294-15302 (2022); DOI: 10.1021/acs.langmuir.2c02533 (*Corresponding author)
A. Sartori, R. P. Giri, H. Fujii, S. Hövelmann, J. Warias, P. Jordt, C. Shen, B. Murphy, O. Magnussen, ‘Role of chemisorbing species in growth at liquid metal-electrolyte interfaces revealed by in situ X-ray scattering’, Nature Communications 13, 5421 (2022); DOI: 10.1038/s41467-022-32932-7
J. P. Hazelnis, A. Sartori, Q. Cheek, R. P. Giri, M. M. MacInnes, B. Murphy, O. Magnussen, S. Maldonado, ‘Detection of Ge-containing adlayers at the liquid Hg/water interface by in situ X-ray reflectivity in aqueous borate electrolytes containing dissolved GeO2’, J. Phys. Chem C 126, 18, 8177-8189 (2022); DOI: 10.1021/acs.jpcc.2c01671
J. Smits, R. P. Giri, C. Shen, D. Mendonça, B. Murphy, P. Huber, K. Rezwan, M. Maas, ‘Assessment of nanoparticle immersion depth at liquid interfaces from chemically equivalent macroscopic surfaces’, J. Colloid Interface Sci. 611, 670-683 (2022): DOI: 10.1016/j.jcis.2021.12.113
P. Mondal, R. P. Giri, B. Murphy, S. K. Ghosh, ‘Self-assembly of Graphene Oxide Nano-flakes in Lipid Monolayer at Air-water Interface’, ACS Appl. Mater. Interfaces 13, 48, 57023-57035, (2021); DOI: 10.1021/acsami.1c19004
J. Smits, R. P. Giri, C. Shen, D. Mendonça, B. Murphy, P. Huber, K. Rezwan, M. Maas, ‘Synergistic and competitive adsorption of hydrophilic nanoparticles and oil-Soluble surfactants at the oil-Water interface’, Langmuir 37, 18, 5659-5672 (2021); DOI: 10.1021/acs.langmuir.1c00559
D. Pattadar, Q. Cheek, A. Sartori, Y. Zhao, R. P. Giri, B. Murphy, O. Magnussen, S. Maldonado, ‘Evidence for Facilitated Surface Transport during Ge Crystal Growth by Indium in Liquid Hg-In Alloys at Room Temperature’, Cryst. Growth Des. 21, 3, 1645-1656 (2021); DOI: 10.1021/acs.cgd.0c01485
S. Sarkar, D. Bose, R. P. Giri, M. K. Mukhopadhyay, A. Chakrabarti, ‘Effects of GM1 on brain spectrin-aminophospholipid interactions’, Biochim. Biophys. Acta Biomembr. 1861, 1, 298-305 (2019); DOI: 10.1016/j.bbamem.2018.06.011
V. N. Gaonkar, E. T. Dias, A. B. Dey, R. P. Giri, A. K. Nigam, K. R. Priolkar, ‘Role of Tin and Carbon in the magnetic interactions in Mn3SnC’, J. Magn. Magn. Mater. 471, 215-219 (2019); DOI: 10.1016/j.jmmm.2018.09.070
S. Biswas, D. Jana, G. S. Kumar, S. Maji, P. Kundu, U. K. Ghorai, R. P. Giri, B. Das, N. Chattopadhyay, B. K. Ghorai, S. Acharya, ‘Supramolecular aggregates of tetraphenylethene-cored AIEgen toward mechanoluminescent and electroluminescent devices’, ACS Appl. Mater. Interfaces 10, 20, 17409-17418 (2018); DOI: 10.1021/acsami.8b00165
G. Bhattacharya, S. Mitra, P. Mandal, S. Dutta, R. P. Giri, S. K. Ghosh, ‘Thermodynamics of interaction of ionic liquids with lipid monolayer’, Biophys. Rev. 10, 709-719 (2018); DOI: 10.1007/s12551-017-0390-3
R. P. Giri, M. K. Mukhopadhyay, U. K. Basak, A. Chakrabarti, M. K. Sanyal, B. Runge, B. M. Murphy, ‘Continuous uptake or saturation—investigation of concentration and surface-packing-specific hemin interaction with lipid membranes’, J. Phys. Chem. B 122, 30, 7547-7554 (2018); DOI: 10.1021/acs.jpcb.8b03327
G. Bhattacharya, R. P. Giri, A. Dubey, S. Mitra, R. Priyadarshini, A. Gupta, M. K. Mukhopadhyay, S. K. Ghosh, ‘Structural changes in cellular membranes induced by ionic liquids: From model to bacterial membranes’, Chem. Phys. Lipids 215, 1-10 (2018); DOI: 10.1016/j.chemphyslip.2018.06.001
R. P. Giri, A. Chakrabarti and M. K. Mukhopadhyay, ‘Cholesterol induced structural changes in saturated phospholipid model membranes revealed through x-ray scattering technique’, J. Phys. Chem. B 121, 16, 4081−4090 (2017); DOI: 10.1021/acs.jpcb.6b12587
R. P. Giri, M. K. Mukhopadhyay, M. Mitra, A. Chakrabarti, M. K. Sanyal, S. K. Ghosh, S. Bera, L. B. Lurio, Y. Ma, S. K. Sinha, ‘Differential adsorption of a membrane skeletal protein, spectrin, in phospholipid membranes’, Europhys. Lett. 118, 5, 58002 (2017); DOI: 10.1209/0295-5075/118/58002
G. Bhattacharya, R. P. Giri, H. Saxena, V. V. Agarwal, A. Gupta, M. K. Mukhopadhyay, S. K. Ghosh, ‘X-ray reflectivity study of the interaction of an imidazolium-based ionic liquid with soft supported lipid membrane’, Langmuir 33, 5, 1295-1304 (2017); DOI: 10.1021/acs.langmuir.6b03192
A. Indra, K. Dey, S. Majumdar, I. Sarkar, S. Francoual, R. P. Giri, N. Khan, P. Mandal, S. Giri, ‘Magnetoelectric memory in reentrant frozen state and considerable ferroelectricity in multiferroic spin-chain compound Sm2BaNiO5’, Phys. Rev. B 95, 9, 094402 (2017); DOI: 10.1103/PhysRevB.95.094402
Sk A. K. M. Faruque, R. P. Giri and S. Chakraborty, ‘Effect of N2O ratio on the crystallization temperature of ZrO2 deposited on Si by reactive sputtering in Ar/O2/N2O plasma’, Materials Research Express 3, 11, 116406 (2016); DOI: 10.1088/2053-1591/3/11/116406
SC Hövelmann, JE Warias, L Petersdorf, D Schmidt, P Gaal, RP Giri, N Hayen, P Jordt, OM Magnussen, C Shen, F Bertram, B Murphy, 'Extending the laser pump X-ray probe system at LISA P08 PETRA III', Journal of Physics: Conference Series 3010 (1) 012056 (2025)
R. P. Giri, M. K. Mukhopadhyay, ‘Self-assembly of diblock co-polymers at air-water interface: A microscopy and x-ray scattering study’, AIP Conf. Proc. 1731, 1, 080016 (2016) ; DOI: 10.1063/1.4947894
G. Bhattacharya, R. P. Giri, H. Saxena, V. V. Agrawal, A. Gupta, M. K. Mukhopadhyay, S. K. Ghosh, ‘Interaction of imidazolium-based ionic liquids with soft supported lipid membrane’, European Biophysics Journal with Biophysics Letters 46, S361 (2017)
A. Sartori, S. Festersen, H. Fujii, J. Warias, R. P. Giri, F. Bertram, O. Magnussen, B. M. Murphy, 'In situ X-ray studies of electrodeposition of lead halide compounds on the electrolyte–liquid mercury interface', Acta Cryst. A75, e688 (2019); DOI: 10.1107/S2053273319088685
| KiNSIS Early Career Award Grant | 5000 Euro | Kiel Nano, Surface and Interface Science, Germany | 2022-2023 |
| KiNSIS MicroProposal Grant | 2000 Euro | Kiel Nano, Surface and Interface Science, Germany | 2021-2022 |
| Current members |
Preyash k Bal (PhD student, Joined in Dec 2023) |
IIT (ISM) Dhanbad |
|
Suprita Paul (PhD student, Joined in July 2024) |
IIT (ISM) Dhanbad | |
|
Somashree Mandal (PhD student, Joined in July 2025) |
IIT (ISM) Dhanbad | |
|
Nikita Indwar (M.Sc. project student, Joined in July 2025) |
IIT (ISM) Dhanbad | |
| Past members | Gaurav Kumar (B.Tech project student, Joined in July 2024) | IIT (ISM) Dhanbad |
| Sunil Khatik (M.Sc. project student, Joined in Jan 2025) | IIT (ISM) Dhanbad | |
| Ms. Katharina Steinkirchner (B.Sc. Thesis 2023) | Uni. Kiel, Germany | |
| Mr. Zhi Yuan (B.Sc. Thesis 2020) | Uni Kiel, Germany |
