Publication

Current publication details can be found on Google Scholar.

First-authored publications

1. Cell-TIMP: Cellular Trajectory Inference based on Morphological Parameter
   Piyush Raj, Himanshu Gupta,  Pooja Anantha, Ishan Barman
   BioRxiv 2024 - [link]
   
   

2. Shining Light on Osteoarthritis: Spatially Offset Raman Spectroscopy as a Window into Cartilage Health
   Piyush Raj, Lintong Wu, Craig Almeida, Lauren Conway, Swati Tanwar,  Jill Middendorf, Ishan Barman
   BioRxiv 2023.08.14.553328 - [link]
   
   

3. CellSNAP: A fast, accurate algorithm for 3D cell segmentation in quantitative phase imaging
   Piyush Raj,  Santosh Paidi, Lauren Conway, Arnab Chatterjee, Ishan Barman
   Journal of Biomedical Optics 2024 [link] | BioRxiv ,  [biorxiv link]
   
   

4. Label-free plasmonic spectral profiling of serum DNA
   Peng Zheng*, Piyush Raj*, Le Liang*, Lintong Wu, Santosh Kumar Paidi, Jeong Hee Kim, Ishan Barman
   Biosensors and Bioelectronics 2024 [link]
   
   

5. Engineering vascularized skin-mimetic phantom for non-invasive Raman spectroscopy
   Piyush Raj*, Lintong Wu*, Saransh Arora, Raj Bhatt, Yi Zuo, Zhiwei Fang, Remco Verdoold, Tanja Koch, Luo Gu, Ishan Barman
   Sensors and Actuators B: Chemical 2024  [link]
   
   

6. Quantitative Detection of Thyroid-Stimulating Hormone in Patient Samples with a Nanomechanical Single-Antibody Spectro-Immunoassay
   Peng Zheng*, Piyush Raj*, Lintong Wu, Takayuki Mizutani, Miklos Szabo, William A. Hanson, Ishan Barman
   Small 2023 [link]
   
   

7. Leveraging Nanomechanical Perturbations in Raman Spectro-Immunoassays to Design a Versatile Serum Biomarker Detection Platform
   Peng Zheng*, Piyush Raj*, Lintong Wu, Miklos Szabo, William A. Hanson, Takayuki Mizutani, Ishan Barman
   Small 2022, 18, 2204541 [link]
   
   

8. Raman and quantitative phase imaging allow morpho-molecular recognition of malignancy and stages of B-cell acute lymphoblastic leukemia
   Santosh Kumar Paidi*, Piyush Raj*, Rosalie Bordett, Chi Zhang, Sukrut H. Karandikar, Rishikesh Pandey, Ishan Barman
   Biosensors and Bioelectronics 190, 113403 [link]
   
   

9. Furin‐Mediated Self‐Assembly of Olsalazine Nanoparticles for Targeted Raman Imaging of Tumors
   Yue Yuan*, Piyush Raj*, Jia Zhang, Dr. Soumik Siddhanta, Ishan Barman, Jeff W. M. Bulte
   Angewandte Chemie 133 (8), 3969-3973 [Cover article] [Hot Paper] [link]
   
   

10. Microwave power induced resonance shifting of silicon ring modulators for continuously tunable, bandwidth scaled frequency combs
    K. P. Nagarjun*, Piyush Raj*, Vadivukkarasi Jeyaselvan, Shankar Kumar Selvaraja, V. R. Supradeepa
    Optics Express 28 (9), 13032-13042 [link]

*First Co-authors

Co-authored publications

1. Solution-Doped Donor–Acceptor Copolymers Based on Diketopyrrolopyrrole and 3, 3′-Bis (2-(2-(2-Methoxyethoxy) Ethoxy) ethoxy)-2, 2′-Bithiophene Exhibiting Outstanding Thermoelectric Power Factors with p-Dopants
   Tushita Mukhopadhyaya, Justine Wagner, Taein D. Lee, Connor Ganley, Swati Tanwar, Piyush Raj, Lulin Li, Yunjia Song, Sophia J. Melvin, Yuyang Ji, Paulette Clancy, Ishan Barman, Susanna Thon, Rebekka S. Klausen, Howard E. Katz
   Advanced Functional Materials [link]

2. A Smart Intracellular Self-Assembling Bioorthogonal Raman Active Nanoprobe for Targeted Tumor Imaging
   Swati Tanwar*, Behnaz Ghaemi*, Piyush Raj, Aruna Singh, Lintong Wu, Yue Yuan, Dian R. Arifin, Michael T. McMahon, Jeff W. M. Bulte, Ishan Barman
   Advanced Science 2023, 2304164 [link]
   
   

3. Optical diffraction tomography and Raman spectroscopy reveal distinct cellular phenotypes during white and Brown adipocyte differentiation
   Pooja Anantha*, Zhenhui Liu*, Piyush Raj, Ishan Barman
   Biosensors and Bioelectronics, Volume 235, 1 September 2023, 115388  [link]
   
   

4. Targeted Enzyme Activity Imaging with Quantitative Phase Microscopy
   Swati Tanwar, Lintong Wu, Noah Zahn, Piyush Raj, Behnaz Ghaemi, Arnab Chatterjee, Jeff W. M. Bulte, and Ishan Barman
   Nano Letters 2023, 23, 10, 4602–4608 [link]
   
   

5. A Dual‐Modal Single‐Antibody Plasmonic Spectro‐Immunoassay for Detection of Small Molecules
   Peng Zheng, Lintong Wu, Piyush Raj, Takayuki Mizutani, Miklos Szabo, William A. Hanson, Ishan Barman
   Small 18 (18), 2200090 [link]
   
   

6. Label-Free Spectroscopic SARS-CoV-2 Detection on Versatile Nanoimprinted Substrates
   Debadrita Paria*, Kam Sang Kwok*, Piyush Raj, Peng Zheng, David H. Gracias, and Ishan Barman
   Nano Letters 22 (9), 3620-3627  [link]
   
   

7. Stable High-Conductivity Ethylenedioxythiophene Polymers via Borane-Adduct Doping
   Tushita Mukhopadhyaya, Taein D. Lee, Connor Ganley, Swati Tanwar, Piyush Raj, Lulin Li, Yunjia Song, Paulette Clancy, Ishan Barman, Susanna Thon, Howard E. Katz
   Advanced Functional Materials 2022, 32, 2208541 [link]
   
   

8. Raman spectroscopy and machine learning reveals early tumor microenvironmental changes induced by immunotherapy
   Santosh Kumar Paidi*, Joel Rodriguez Troncoso*, Piyush Raj, Paola Monterroso Diaz, Jesse D. Ivers, David E. Lee, Nathan L. Avaritt, Allen J. Gies, Charles M. Quick, Stephanie D. Byrum, Alan J. Tackett; Narasimhan Rajaram, Ishan Barman
   Cancer Research 81 (22), 5745-5755 [link]
   
   

9. Plexcitonic Quasi‐Bound States in the Continuum
   Peng Zheng, Piyush Raj, Takayuki Mizutani, Miklos Szabo, William A. Hanson, Ishan Barman
   Small 17 (39), 2102596 [link]
   
   

10. Nanowire Assisted Mechanotyping of Cellular Metastatic Potential
    Debadrita Paria*, Annalisa Convertino*, Piyush Raj, Kristine Glunde, Yun Chen, Ishan Barman
    Advanced Functional Materials 31 (30), 2101638 [link]
    
    

11. Utilizing pulse dynamics for non-invasive Raman spectroscopy of blood analytes
    Maciej S. Wróbel, Jeong Hee Kim, Piyush Raj, Ishan Barman, Janusz Smulko
    Biosensors and Bioelectronics 180, 113115 [link]
    
    

12. Coarse Raman and optical diffraction tomographic imaging enable label-free phenotyping of isogenic breast cancer cells of varying metastatic potential
    Santosh Kumar Paidi*, Vaani Shah*, Piyush Raj, Kristine Glunde, Rishikesh Pandey, Ishan Barman
    Biosensors and Bioelectronics 175, 112863 [link]

Conference

1. Revealing the Hidden Depths of Articular Cartilage Damage with Spatially Offset Raman Spectroscopy
   Piyush Raj^, Lintong Wu, Craig Almeida, Lauren Conway, Swati Tanwar, Jill Middendorf, Ishan Barman
   Orthopaedic Research Society (ORS) 2024 Annual Meeting at Long Beach, California [Poster Presentation]
   
   

2. Advancements in quantitative phase Imaging for cell analysis and enzyme activity mapping (Invited)
   Piyush Raj^, Swati Tanwar, Ishan Barman
   SPIE Photonics West BiOS 2024 at San Francisco, California [Oral Presentation]
   
   

3. Development of SERS Sensing Platform for TSH Detection: From Buffer Solution to Patient Samples
   Piyush Raj^, Peng Zheng, Lintong Wu, Takayuki Mizutani, Miklos Szabo, William A. Hanson, Ishan Barman
   Scix 2023 at Reno, NV [Oral Presentation]
   
   

4. Speeding up Raman imaging with matrix completion algorithm
   Piyush Raj^, Raj Bhatt, Ishan Barman
   Biomedical Raman Imaging Conference 2023 at Georgia Tech [Poster presentation]
   
   

5. Achieving high-power, ultra-high spectral purity cascaded Raman fiber lasers through low intensity-noise pump sources
   V Balaswamy^, BS Vikram, Piyush Raj, MR Harshitha, Divya Nair, VR Supradeepa
   The European Conference on Lasers and Electro-Optics, cj_13_3  [Oral Presentation]
   
   

6. Microwave power dependent resonance shifts in Silicon Ring Modulators for Continuous wavelength Tuning and Bandwidth Scaling of on-chip, electro-optic, optical frequency combs
   KP Nagarjun^, Piyush Raj, V Jeyaselvan, SK Selvaraja, VR Supradeepa
   The European Conference on Lasers and Electro-Optics  [Oral Presentation]
   
   

7. Observation of novel optical and microwave power dependent effects in silicon micro-ring modulator based frequency comb generators
   KP Nagarjun^, Piyush Raj, V Jeyaselvan, SK Selvaraja, VR Supradeepa
   Laser Resonators, Microresonators, and Beam Control XXI 10904, 77-83  [Oral Presentation]
   
   

8. A simple technique for direct, high power laser beam profile measurement using thermal imagers
   Binod Panda, V Balaswamy^, Piyush Raj, M Mallick, VR Supradeepa
   Components and Packaging for Laser Systems V 10899, 118-123  [Oral Presentation]
   
   

9. Design and Simulation of Indigenous Roll-over Sensor for Four-Wheeler Automobiles
   Piyush Raj^, Adarsh G Datta, Vishnu Kumar
   COMSOL Bangalore 2018 [Poster presentation]
   
   
   

^ Presenting author