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Pasha, A and Pramanik, P and George, JK and Dhiman, N and Zhang, H and Sidhik, S and Mandani, F and Ranjan, S and Nagaraja, AT and Umapathy, S and Mohite, AD and Balakrishna, RG (2023) Cationic and Anionic Vacancy Healing for Suppressed Halide Exchange and Phase Segregation in Perovskite Solar Cells. In: ACS Energy Letters . pp. 3081-3087.
Prakash, O and Umapathy, S (2023) Raman spectroscopy study of CdS nanorods and strain induced by the adsorption of 4-mercaptobenzoic acid. In: The Journal of chemical physics, 158 (13). p. 134719.
Das, PK and Dhiman, N and Umapathy, S and Bhardwaj, A (2023) Observation of amplified spontaneous emission in Cd1-xZnxSe/ZnSe alloyed quantum dots through CW pumping. In: Gaceta Mexicana de Oncologia, 13 (9). pp. 2595-2603.
Das, PK and Dhiman, N and Umapathy, S and Bhardwaj, A (2022) External probe-based Amplified Spontaneous Emission in Cd1-xZnxSe/ZnSe quantum dots for fiber laser application. In: 2022 IEEE International Conference on Emerging Electronics, 11 - 14 Dec 2022, Bangalore.
Satpathy, G and Chandra, GK and Elayaraja, K and Mahapatra, DR and Subramania, A and Guo, Z and Umapathy, S and Manikandan, E (2022) Nanoparticles and Bacterial Interaction of Host-Pathogens and the Detection Enhancement of Biomolecules by Fluorescence Raman Spectroscopic Investigation. In: Engineered Science, 20 . pp. 341-351.
Kharangarh, PR and Ravindra, NM and Singh, G and Umapathy, S (2022) Synthesis and characterization of Nb-doped strontium cobaltite@GQD electrodes for high performance supercapacitors. In: Journal of Energy Storage, 55 .
Singh, S and Kumbhar, D and Reghu, D and Venugopal, SJ and Rekha, PT and Mohandas, S and Rao, S and Rangaiah, A and Chunchanur, SK and Saini, DK and Umapathy, S (2022) Culture-Independent Raman Spectroscopic Identification of Bacterial Pathogens from Clinical Samples Using Deep Transfer Learning. In: Analytical Chemistry, 94 (42). pp. 14745-14754.
Singh, S and Verma, T and Nandi, D and Umapathy, S (2022) Herbicides 2,4-Dichlorophenoxy Acetic Acid and Glyphosate Induce Distinct Biochemical Changes in E. coli during Phenotypic Antibiotic Resistance: A Raman Spectroscopic Study. In: Journal of Physical Chemistry B .
Gautam, R and Chaturvedi, D and Sil, S and Kuhar, N and Singh, S and Umapathy, S (2022) Characterization of Aggregating Agents towards Sensitive Optical Detection of Tryptophan Using Lab-on-a-Chip. In: Photonics, 9 (9).
Barak, A and Dhiman, N and Sturm, F and Rauch, F and Lakshmanna, YA and Findlay, KS and Beeby, A and Marder, TB and Umapathy, S (2022) Excited-State Intramolecular Charge-Transfer Dynamics in 4-Dimethylamino-4′-cyanodiphenylacetylene: An Ultrafast Raman Loss Spectroscopic Perspective. In: ChemPhotoChem .
Kharangarh, PR and Ravindra, NM and Singh, G and Umapathy, S (2022) Synthesis of luminescent graphene quantum dots from biomass waste materials for energy-related applications—An overview. In: Energy Storage .
Barak, A and Dhiman, N and Sturm, F and Rauch, F and Lakshmanna, YA and Findlay, KS and Beeby, A and Marder, TB and Umapathy, S (2022) Solvent Polarity Governs Ultrafast Structural Dynamics: A Case Study of 4-Dimethylamino-4′-carbomethoxydiphenylacetylene. In: Journal of Physical Chemistry C, 127 (12). pp. 5855-5865.
Kuhar, N and Sil, S and Umapathy, S (2021) Potential of Raman spectroscopic techniques to study proteins. In: Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 258 .
Kumbhar, D and Palliyarayil, A and Reghu, D and Shrungar, D and Umapathy, S and Sil, S (2021) Rapid discrimination of porous bio-carbon derived from nitrogen rich biomass using Raman spectroscopy and artificial intelligence methods. In: Carbon, 178 . pp. 792-802.
Verma, T and Majumdar, S and Yadav, S and Ahmed, SM and Umapathy, S and Nandi, D (2021) Cell-free hemoglobin is a marker of systemic inflammation in mouse models of sepsis: A Raman spectroscopic study. In: Analyst, 146 (12). pp. 4022-4032.
Sil, S and Kuhar, N and Roy, K and Chaturvedi, D and Morita, S and Ozaki, Y and Umapathy, S (2021) Understanding phase transition and vibrational mode coupling in ammonium nitrate using 2D correlation Raman spectroscopy. In: Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 254 .
Melavanki, R and Sharma, K and Muttannavar, V T and Kusanur, R and Katagi, K and Patra, S M and Umapathy, S and Sadasivuni, K K and Shelar, V M and Singh, D and Patil, N R and Koppal, V V (2021) Quantum chemical computations, fluorescence spectral features and molecular docking of two biologically active heterocyclic class of compounds. In: Journal of Photochemistry and Photobiology A: Chemistry, 404 .
Verma, T and Annappa, H and Singh, S and Umapathy, S and Nandi, D (2021) Profiling antibiotic resistance in Escherichia coli strains displaying differential antibiotic susceptibilities using Raman spectroscopy. In: Journal of Biophotonics, 14 (1).
Kuhar, N and Nazeer, SS and Kumar, RV and Mukherjee, G and Umapathy, S (2021) Infrared Microspectroscopy With Multivariate Analysis to Differentiate Oral Hyperplasia From Squamous Cell Carcinoma: A Proof of Concept for Early Diagnosis. In: Lasers in Surgery and Medicine .
Gaur, R and Manikandan, P and Manikandan, D and Umapathy, S and Padhy, HM and Maaza, M and Elayaperumal, M (2021) Noble Metal Ion Embedded Nanocomposite Glass Materials for Optical Functionality of UV�Visible Surface Plasmon Resonance (SPR) Surface-Enhanced Raman Scattering (SERS) X-ray and Electron Microscopic Studies: An Overview. In: Plasmonics .
Sil, S and Mukherjee, R and Kumbhar, D and Reghu, D and Shrungar, D and Kumar, NS and Singh, UK and Umapathy, S (2021) Raman spectroscopy and artificial intelligence open up accurate detection of pathogens from DNA-based sub-species level classification. In: Journal of Raman Spectroscopy .
Elayaperumal, M and Gnanasekaran, K and Moodley, MK and Mwakikunga, BW and Gaur, R and Umapathy, S and Ladchumananandasivam, R and Maaza, M (2021) Ultrananocrystalline diamond-like carbon (UN-DLC) assembled on epitaxial ZnO film by PLD technique and SIMS Raman Rutherford spectroscopic fingerprint investigation. In: Journal of Raman Spectroscopy .
Vega-Dominguez, P and Peterson, E and Pan, M and Di Maio, A and Singh, S and Umapathy, S and Saini, DK and Baliga, N and Bhatt, A (2020) Biofilms of the non-tuberculous Mycobacterium chelonae form an extracellular matrix and display distinct expression patterns. In: Cell Surface, 6 .
Kuhar, N and Umapathy, S (2020) Probing the Stepwise Unfolding of Bovine Serum Albumin Using 2D Correlation Raman Spectroscopic Analysis. In: Analytical Chemistry, 92 (19). pp. 13509-13517.
Mukherjee, R and Verma, T and Nandi, D and Umapathy, S (2020) Identification of a resonance Raman marker for cytochrome to monitor stress responses in Escherichia coli. In: Analytical and Bioanalytical Chemistry, 412 (22). pp. 5379-5388.
Verma, T and Annappa, H and Singh, S and Umapathy, S and Nandi, D (2020) Profiling antibiotic resistance in Escherichia coli strains displaying differential antibiotic susceptibilities using Raman spectroscopy. In: Journal of Biophotonics . (In Press)
Mukherjee, R and Verma, T and Nandi, D and Umapathy, S (2020) Understanding the effects of culture conditions in bacterial growth: A biochemical perspective using Raman microscopy. In: Journal of Biophotonics, 13 (1).
Satpathy, G and Chandra, GK and Manikandan, E and Mahapatra, DR and Umapathy, S (2020) Pathogenic Escherichia coli (E. coli) detection through tuned nanoparticles enhancement study. In: Biotechnology Letters, 42 (5). pp. 853-863.
Selvarajan, P and Kundu, K and Sathish, CI and Umapathy, S and Vinu, A (2020) Enriched Photophysical Properties and Thermal Stability of Tin(II) Substituted Lead-Based Perovskite Nanocrystals with Mixed Organic-Inorganic Cations. In: Journal of Physical Chemistry C, 124 (17). pp. 9611-9621.
Kesavan, T and Partheeban, T and Vivekanantha, M and Prabu, N and Kundu, M and Selvarajan, P and Umapathy, S and Vinu, A and Sasidharan, M (2020) Design of P-Doped Mesoporous Carbon Nitrides as High-Performance Anode Materials for Li-Ion Battery. In: ACS Applied Materials and Interfaces, 12 (21). pp. 24007-24018.
Pal, AK and Chandra, GK and Umapathy, S and Bharathi Mohan, D (2020) Ultra-sensitive, reusable, and superhydrophobic Ag/ZnO/Ag 3D hybrid surface enhanced Raman scattering substrate for hemoglobin detection. In: Journal of Applied Physics, 127 (16).
Kumar, S and Gopinathan, R and Chandra, GK and Umapathy, S and Saini, DK (2020) Rapid detection of bacterial infection and viability assessment with high specificity and sensitivity using Raman microspectroscopy. In: Analytical and Bioanalytical Chemistry, 412 (11). pp. 2505-2516.
Sil, S and Mukherjee, R and Kumar, NS and Umapathy, S (2020) Potential and challenges of pathogen detection using Raman spectroscopy. In: Biomedical Spectroscopy, Microscopy, and Imaging 2020, 6-10 April 2020, Virtual, Online, France.
Kumar, S and Visvanathan, A and Arivazhagan, A and Santhosh, V and Somasundaram, K and Umapathy, S (2020) Prognosis, diagnosis and the influence of inhibitors: Raman spectroscopic study of radioresistant brain cancer stem-like cells. In: Biomedical Spectroscopy, Microscopy, and Imaging 2020, 6-10 April 2020, France.
Prakash, O and Sil, S and Verma, T and Umapathy, S (2019) Direct Detection of Bacteria Using Positively Charged Ag/Au Bimetallic Nanoparticles: A Label-free Surface-Enhanced Raman Scattering Study Coupled with Multivariate Analysis. In: Journal of Physical Chemistry C, 124 (1). pp. 861-869.
Cha, W and Kim, IY and Lee, JM and Kim, S and Ramadass, K and Gopalakrishnan, K and Premkumar, S and Umapathy, S and Vinu, A (2019) Sulfur-Doped Mesoporous Carbon Nitride with an Ordered Porous Structure for Sodium-Ion Batteries. In: ACS Applied Materials and Interfaces, 11 (30). pp. 27192-27199.
Nayak, DR and Bhat, N and Venkatapathi, M and Umapathy, S (2018) Signal Enhancement from Tunable SERS Substrates: Design and Demonstration of Multiple Regimes of Enhancement. In: Journal of Physical Chemistry C, 122 (16). pp. 9134-9140.
Benzigar, MR and Joseph, S and Ilbeygi, H and Park, DH and Sarkar, S and Chandra, G and Umapathy, S and Srinivasan, S and Talapaneni, SN and Vinu, A (2018) Highly Crystalline Mesoporous C60 with Ordered Pores: A Class of Nanomaterials for Energy Applications. In: Angewandte Chemie - International Edition, 57 (2). pp. 569-573.
Nayak, DR and Umapathy, S (2017) Surface enhanced raman spectroscopic studies using galvanic nano-buds. In: JSAP-OSA Joint Symposia, JSAP 2017, 18 - 21 September 2017, Fukuoka.
Nayak, D R and Bhat, N and Venkatapathi, M and Umapathy, S (2017) Impact of ultrathin dielectric spacers on SERS: energy transfer between polarized charges and plasmons. In: JOURNAL OF MATERIALS CHEMISTRY C, 5 (8). pp. 2123-2129.
