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Ji-Xin Cheng News
High-Throughput Imaging Links Microbial Metabolism With Cell Identity
BOSTON, July 5, 2022 — An imaging platform for investigating microbiomes in medical and environmental samples can perform high-throughput metabolism and identity analyses with single-cell resolution. Called SRS-FISH, or stimulated Raman scattering two-photon fluorescence in situ hybridization, the technique is the result of a collaborative effort among researchers at Boston University, the University of Vienna, and Aalborg University. The imaging speed of SRS-FISH is 10 to 100 ms per cell. Using SRS-FISH, the
Insights into Cells' Chemical, Physical Makeup Come into View
BOSTON, Dec. 8, 2021 — Infrared spectroscopy offers molecular vibration fingerprint information essential to understanding how molecules work inside a living cell and how molecular changes occur in diseases. In 2016, a research group at the Photonics Center at Boston...
Ji-Xin Cheng Receives 2019 Ellis R. Lippincott Award
WASHINGTON, March 15, 2019 — Ji-Xin Cheng, of Boston University, has been named the 2019 Ellis R. Lippincott Award recipient for outstanding contributions in inventing and developing a broad spectrum of vibrational spectroscopic imaging technologies with new discoveries and...
Volumetric Imaging Could Eliminate Needles for Blood Tests
WEST LAFAYETTE, Ind., April 28, 2017 — Imagine blood tests without having to actually have blood drawn. Researchers from Purdue University have developed a chemical imaging system that uses an InSight DeepSee femtosecond laser to penetrate deep into tissue that could eliminate...
Purdue Assembles Label-Free Imaging Research Team
WEST LAFAYETTE, Ind., Nov. 23, 2015 — As part of its strategic growth plan, Purdue University's College of Engineering has appointed a research team to develop label-free spectroscopic sensing techniques. Label-free imaging foregoes fluorescent dyes and other time-consuming sample...
Efficient Spectroscopic Imaging Demonstrated In Vivo
WEST LAFAYETTE, Ind., Nov. 2, 2015 — Although optical spectroscopy is routinely used study molecules in cell samples, it is currently not practical to perform in vivo. Now, a converted Raman spectroscopy system has been used to reveal the chemical composition of living tissues in...
Raman Imager Speeds Cancer Detection
WEST LAFAYETTE, Ind., April 24, 2015 — A vibrational spectroscopic imaging technology that can take images of living cells could represent an advanced medical diagnostic tool for the early detection of cancer and other diseases. The electronic device is referred to as a 32-channel tuned...
High-Speed, In Vivo Raman Technique Pinpoints Cholesterol
WEST LAFAYETTE, Ind., Sept. 9, 2014 — A new high-speed spectroscopy technique has helped pinpoint where cells store cholesterol, and could be used to study obesity and diabetes. Researchers at Purdue University used hyperspectral stimulated Raman scattering microscopy to map lipid...
Spectroscopy Reveals Breast Tumors Early
WEST LAFAYETTE, Ind., March 7, 2012 — Mimicking living breast tissue through the new Raman-based imaging tool of vibrational spectral microscopy reveals subtle changes and can could help assess a woman’s breast cancer risk.
Label-Free Bioimaging Tool Tracks Nanotubes
WEST LAFAYETTE, Ind., Dec. 12, 2011 — A new imaging tool tracks carbon nanotubes inside living cells and throughout the bloodstream, which could hone the particles’ usefulness in biomedical research and clinical medicine. Carbon nanotubes have potential applications in drug...
New Imaging Tech Diagnoses Multiple Diseases
WEST LAFAYETTE, Ind., June 13, 2011 — By measuring ultrasound signals from molecules exposed to a fast-pulsing laser, biomedical engineers at Purdue University developed an imaging technology that diagnoses multiple diseases.
Laser Imaging System Screens Nanotubes
WEST LAFAYETTE, Ind., Nov. 22, 2010 — Researchers have demonstrated a new imaging tool for rapidly screening structures called single-wall carbon nanotubes, possibly hastening their use in creating a faster and more energy-efficient class of computers and electronics. The semiconducting...
Gold-Silver Nanocages Improve Imaging
WEST LAFAYETTE, Ind., April 13, 2010 — An experimental ultrasensitive medical imaging technique that uses pulsed laser and tiny metallic “nanocages” might enable both the early detection and treatment of disease. The system works by shining near-infrared laser pulses through...
(13 results found)
April 2024
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