Current publication details can be found on Google Scholar.
Peer-reviewed publications
Cell-TIMP: Cellular Trajectory Inference based on Morphological Parameter
Piyush Raj, Himanshu Gupta, Pooja Anantha, Ishan Barman
Nano Letters 2025 [link] [biorxiv link]
To Acquire or Not to Acquire: Evaluating Compressive Sensing for Raman Spectroscopy in Biology
Piyush Raj, Lintong Wu, Jeong Hee Kim, Raj Bhatt, Kristine Glunde, Ishan Barman
ACS Sensors 2024 [link]
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
ACS Sensors 2024 [link] | [bioRxiv link]
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 link]
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]
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]
Uncovering Astrocyte Morphological Dynamics Using Optical Diffraction Tomography and Shape-Based Trajectory Inference
Pooja Anantha, Piyush Raj, Emanuela Saracino, Joo Ho Kim, Jeong Hee Kim, Annalisa Convertino, Luo Gu, Ishan Barman
Advanced Healthcare Materials 2024 [link]
Gold nanoprism enhanced SERS aptasensor for simultaneous detection of thrombin and VEGF
Pooja Anantha, Piyush Raj, Peng Zheng, Swati Tanwar, Ishan Barman
Sensors and Actuators B: Chemical 2024 [link]
Multiplexed SERS Detection of Serum Cardiac Markers Using Plasmonic Metasurfaces
Peng Zheng, Lintong Wu, Piyush Raj, Jeong Hee Kim, Santosh Kumar Paidi, Steve Semancik, Ishan Barman
Advanced Science 2024 [link]
Material-Agnostic Characterization of Spatially Offset Raman Spectroscopy in Turbid Media via Monte Carlo Simulations
Zuriel Erikson Valencia Joven, Piyush Raj, Ishan Barman
Analyst 2024 [link]
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]
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 2023 [link]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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
Preprints
Disordered glass nanowire substrates produce in vivo-like astrocyte morphology revealed by optical diffraction tomography
Pooja Anantha, Joo Ho Kim, Emanuela Saracino, Piyush Raj, Ivano Lucarini, Swati Tanwar, Jessica Chen, Luo Gu, Jay Agrawal, Annalisa Convertino, Ishan Barman
BioRxiv 2024 [link]
Sweet science: Exploring the impact of fructose and glucose on brown adipocyte differentiation using optical diffraction tomography
Pooja Anantha*, Xiangdong Wu*, Salaheldeen Elsaid, Piyush Raj, Ishan Barman, Sui Seng Tee
BioRxiv 2024 [link]
Conference
Automated Framework for High-Throughput Raman Spectra Analysis in Cellular Differentiation Monitoring
Piyush Raj^, Menglu Li, Yukiko Ueyama-Toba, Hiroyuki Mizuguchi, Katsumata Fujita, Ishan Barman
SciX 2024 at Raleigh, NC [Oral Presentation]
Non-destructive Diagnosis of Osteoarthritis with Depth Profiling: Unveiling Cartilage Health through Spatial Offset Raman Spectroscopy
Piyush Raj^, Lintong Wu, Craig Almeida, Lauren Conway, Swati Tanwar, Jill Middendorf, Ishan Barman
SciX 2024 at Raleigh, NC [Oral Presentation]
Material-Agnostic Characterization of Spatially Offset Raman Spectroscopy in Turbid Media via Monte Carlo Simulations (Poster Award: 1st place)
Zuriel Erikson Valencia Joven^, Piyush Raj, Ishan Barman
SciX 2024 at Raleigh, NC [Poster Presentation]
Overcoming limitations of Raman spectroscopy for biomedical applications (Award Finalist)
Piyush Raj^, Ishan Barman
The 2024 Department of Medicine and Whiting School of Engineering Research Retreat at Baltimore, Maryland [Poster Presentation]
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]
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]
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]
Speeding up Raman imaging with matrix completion algorithm
Piyush Raj^, Raj Bhatt, Ishan Barman
Biomedical Raman Imaging Conference 2023 at Georgia Tech [Poster presentation]
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]
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]
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]
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]
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