Rajarshi Roy

Rajarshi Roy

Ph.D Student, Department of Mechanical Engineering
Room 1177, Building 089
University of Maryland, College Park, MD 20742
Phone: (301)-405-8892
Email: rroy12@umd.edu

 

 

EDUCATION

• Ph.D., Mechanical Engineering, University of Maryland, College Park, MD (May 2013)
• BE, Mechanical Engineering, Jadavpur University, Kolkata, India (July 2008)

RESEARCH

• Development and validation of nonlinear constitutive models to define AFM indentation loading of breast tissue specimens.
• Development of a probabilistic algorithm to quantify uncertainties in the estimated elastic modulus from raw AFM data.
• Development of a semi-automated image-guided positioning system for AFM probe-tissue alignment across multiple magnifications.
• Mechanical characterization of epithelial and stromal tissue subtypes in benign and cancerous breast tissue specimens using linearized contact models.

PUBLICATIONS

Archival Publications

• Rajarshi Roy, Wenjin Chen, Lei Cong, Lauri Goodell, David J. Foran, and Jaydev P. Desai, “A Semi-Automated Positioning System for contact-mode Atomic Force Microscopy (AFM),” IEEE Transactions on Automation Science and Engineering, 10(2), pp.462-465, 2013. DOI: 10.1109/TASE.2012.2226154.
• Rajarshi Roy, Wenjin Chen, Lei Cong, Lauri Goodell, David J. Foran, and Jaydev P. Desai, “Probabilistic Estimation of Mechanical Properties of Biomaterials Using Atomic Force Microscopy,” IEEE Transactions on Biomedical Engineering, 61(2), pp. 547-556, 2014; DOI: 10.1109/TBME.2013.2283597.

Refereed Conference Proceedings

• Rajarshi Roy, Wenjin Chen, Lauri Goodell, Jun Hu, David Foran, Jaydev P. Desai, “Microarray-facilitated Mechanical Characterization of Breast Tissue Pathology Samples using contact mode Atomic Force Microscopy (AFM),” in Third IEEE/RAS-EMBS International Conference on Biomedical Robotics and Biomechatronics – BioRob 2010, pp. 710-715, 2010.
• Rajarshi Roy, Wenjin Chen, Lei Cong, Lauri Goodell, David Foran, Jaydev P. Desai, “Towards Automated Mechanical Characterization of Biological Samples Using Atomic Force Microscopy (AFM),” in 4th Annual Dynamic Systems and Control Conference, Oct 31 – Nov 2, 2011, Arlington, VA, USA
• Rajarshi Roy, Lei Li, Carol Keefer, Jaydev P. Desai, “An Error-In-Variables (EIV) based Bayesian Probabilistic Approach to Estimating Cell Mechanical Properties Using Atomic Force Microscopy,” in Third IEEE/RAS-EMBS International Conference on Biomedical Robotics and Biomechatronics – BioRob 2012, pp. 389-394, 2012.