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Ji-Xin Cheng
Photonics Center Boston University

Webinars
Presented by Ji-Xin Cheng

October 2023
Vibrational Photothermal Microscopy Provides a Picture of Life in Live Cells
Recently developed mid-infrared photothermal (MIP) microscopy opens a new window to look at molecules inside a living cell. In MIP microscopy, a visible beam is used to probe the local change of...
November 2022
Harnessing Photons for Bond-Selective Imaging, Neuromodulation, and the Killing of Superbugs
Chemical microscopy that utilizes fingerprint vibrational spectroscopic signals opens a new window to visualizing the orchestra of molecules and biological structures inside living systems. Ji-Xin...
January 2021
Seeing Life at the Molecule Level via Advanced Chemical Microscopy
Chemical microscopy utilizing fingerprint vibrational spectroscopic signals is able to map the chemical contents temporally and spatially. Such capacity opens a new window through which to visualize...

Articles
By Ji-Xin Cheng

January 2024
Stimulated Raman Photothermal Microscopy Provides Ultrahigh Sensitivity
Stimulated Raman scattering (SRS) microscopy has shown enormous potential in revealing molecular structures, dynamics, and couplings in complex systems. Yet, the sensitivity of SRS is fundamentally...
August 2018
Photothermal IR Spectroscopy Boosts Chemical Microscopy, Expands Applications
Current bioanalysis largely relies on tissue homogenization and separation, followed by various assays. Without spatial and temporal dynamics information, the way in which molecules execute their...
March 2017
Probing Cancer by Exploiting Spontaneous and Stimulated Raman Scattering
Most of our knowledge about the chemical contents in cancer cells or cancerous tissue is obtained from in vitro analysis of fixed cells and tissues or homogenates. These in vitro assays identify the...

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