Spectroscopy E-Books
Spectroscopy recently spoke with Nilay Chakraborty, PhD, MBA, an assistant professor in the department of mechanical engineering at the University of Michigan, Dearborn, whose research focuses on developing new techniques for improving the survival of mammalian cells when stabilized and stored at non-cryogenic and cryogenic temperatures. In this interview, Chakraborty discusses the role that Raman spectroscopy plays in his work on biopreservation.
Read the discussion here.
Read other articles in the Confocal 3D Raman Imaging E-Book.
Getting accurate IR spectra on monolayer of molecules
April 18th 2024Creating uniform and repeatable monolayers is incredibly important for both scientific pursuits as well as the manufacturing of products in semiconductor, biotechnology, and. other industries. However, measuring monolayers and functionalized surfaces directly is. difficult, and many rely on a variety of characterization techniques that when used together can provide some degree of confidence. By combining non-contact atomic force microscopy (AFM) and IR spectroscopy, IR PiFM provides sensitive and accurate analysis of sub-monolayer of molecules without the concern of tip-sample cross contamination. Dr. Sung Park, Molecular Vista, joined Spectroscopy to provide insights on how IR PiFM can acquire IR signature of monolayer films due to its unique implementation.
The Effect of Heat Exposure on BPA and Phthalate Content in Commercial Bottled Water
May 8th 2024This study aimed to assess the levels of phthalates and bisphenol A (BPA) in various popular bottled waters compared to tap water. Additionally, it investigated whether exposure to high temperatures, akin to those in a car during summer, would elevate these levels. Using GC/MS analysis, samples were examined. Results showed that phthalates and BPA were either absent or well below safety thresholds in all bottled and tap water samples. Moreover, heating did not significantly affect phthalate concentrations, and BPA was undetectable in all samples.