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Infrared spectroscopy is the measurement of the interaction of infrared radiation with matter by absorption, emission, or reflection. It is used to study and identify chemical substances or functional groups in solid, liquid, or gaseous forms. It can be used to characterize new materials or identify and verify known and unknown samples. The method or technique of infrared spectroscopy is conducted with an instrument called an infrared spectrometer which produces an infrared spectrum. An IR spectrum can be visualized in a graph of infrared light absorbance on the vertical axis vs. frequency, wavenumber or wavelength on the horizontal axis. Typical units of wavenumber used in IR spectra are reciprocal centimeters, with the symbol cm−1. Units of IR wavelength are commonly given in micrometers, symbol μm, which are related to the wavenumber in a reciprocal way. A common laboratory instrument that uses this technique is a Fourier transform infrared (FTIR) spectrometer. Two-dimensional IR is also possible as discussed below.
Raman spectroscopy is a spectroscopic technique typically used to determine vibrational modes of molecules, although rotational and other low-frequency modes of systems may also be observed. Raman spectroscopy is commonly used in chemistry to provide a structural fingerprint by which molecules can be identified.
Near-infrared spectroscopy (NIRS) is a spectroscopic method that uses the near-infrared region of the electromagnetic spectrum. Typical applications include medical and physiological diagnostics and research including blood sugar, pulse oximetry, functional neuroimaging, sports medicine, elite sports training, ergonomics, rehabilitation, neonatal research, brain computer interface, urology, and neurology. There are also applications in other areas as well such as pharmaceutical, food and agrochemical quality control, atmospheric chemistry, combustion research and knowledge.
Attenuated total reflection (ATR) is a sampling technique used in conjunction with infrared spectroscopy which enables samples to be examined directly in the solid or liquid state without further preparation.
Chemical imaging is the analytical capability to create a visual image of components distribution from simultaneous measurement of spectra and spatial, time information. Hyperspectral imaging measures contiguous spectral bands, as opposed to multispectral imaging which measures spaced spectral bands.
Bruker Corporation is an American manufacturer of scientific instruments for molecular and materials research, as well as for industrial and applied analysis. It is headquartered in Billerica, Massachusetts, and is the publicly traded parent company of Bruker Scientific Instruments and Bruker Energy & Supercon Technologies (BEST) divisions.
Varian, Inc. was one of the largest manufacturers of scientific instruments for the scientific industry. They had offerings over a broad range of chemical analysis equipment, with a particular focus on Information Rich Detection and Vacuum technology. Varian was spun off from Varian Associates in 1999 and was purchased by Agilent Technologies in May 2010 for $1.5 billion, or $52 per share.
Fourier-transform infrared spectroscopy (FTIR) is a technique used to obtain an infrared spectrum of absorption or emission of a solid, liquid, or gas. An FTIR spectrometer simultaneously collects high-resolution spectral data over a wide spectral range. This confers a significant advantage over a dispersive spectrometer, which measures intensity over a narrow range of wavelengths at a time.
Jerome J. Workman Jr. is an American analytical spectroscopist, author, editor, and inventor born on August 6, 1952, in Northfield, Minnesota. Jerry Workman, Jerry Workman, Jr., and J.J. Workman are also names he uses for publishing.
The Federation of Analytical Chemistry and Spectroscopy Societies or FACSS is a scientific society incorporated on June 28, 1972, with the goal of promoting research and education in analytical chemistry. The organization combined the many smaller meetings of the individual societies into an annual meeting that includes all of analytical chemistry. The meetings are intended to provide a forum for scientists to address the development of analytical chemistry, chromatography, and spectroscopy.
The technique of vibrational analysis with scanning probe microscopy allows probing vibrational properties of materials at the submicrometer scale, and even of individual molecules. This is accomplished by integrating scanning probe microscopy (SPM) and vibrational spectroscopy. This combination allows for much higher spatial resolution than can be achieved with conventional Raman/FTIR instrumentation. The technique is also nondestructive, requires non-extensive sample preparation, and provides more contrast such as intensity contrast, polarization contrast and wavelength contrast, as well as providing specific chemical information and topography images simultaneously.
Renato Zenobi is a Swiss chemist. He is Professor of Chemistry at ETH Zurich. Throughout his career, Zenobi has contributed to the field of analytical chemistry.
Yukihiro Ozaki is a Japanese scientist. Kwansei Gakuin University, Department of Chemistry, School of Science and Technology, professor emeritus, Fellow.
AFM-IR or infrared nanospectroscopy is one of a family of techniques that are derived from a combination of two parent instrumental techniques. AFM-IR combines the chemical analysis power of infrared spectroscopy and the high-spatial resolution of scanning probe microscopy (SPM). The term was first used to denote a method that combined a tuneable free electron laser with an atomic force microscope equipped with a sharp probe that measured the local absorption of infrared light by a sample with nanoscale spatial resolution.
Reiner Salzer is a German chemist and university teacher of Analytical Chemistry at the TU Dresden.
Lucio Frydman is an Israeli chemist whose research focuses on magnetic resonance imaging (MRI), nuclear magnetic resonance (NMR) and solid-state NMR. He was awarded the 2000 Günther Laukien Prize, the 2013 Russell Varian Prize and the 2021 Ernst Prize. He is Professor and Head of the Department of Chemical and Biological Physics at the Weizmann Institute of Science in Israel and Chief Scientist in Chemistry and Biology at the US National High Magnetic Field Laboratory in Tallahassee, Florida. He is a fellow of the International Society of Magnetic Resonance and of the International Society of Magnetic Resonance in Medicine. He was the Editor-in-Chief of the Journal of Magnetic Resonance (2011-2021).
Jeanette Grasselli Brown is an American analytical chemist and spectroscopist who is known for her work with Standard Oil of Ohio as an industrial researcher in the field of spectroscopy.
Kristina Håkansson is an analytical chemist known for her contribution in Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometry for biomolecular identification and structural characterization. Currently, she holds the position of Professor of Chemistry at University of Michigan. Her research focuses on mass spectrometry, primarily identification and characterization of protein posttranslational modifications by complementary fragmentation techniques such as electron-capture dissociation (ECD)/negative ion ECD (niECD) and infrared multiphoton dissociation (IRMPD) at low (femtomole) levels.
Karen Jane Faulds is a Scottish academic and Professor of Analytical Chemistry at the University of Strathclyde. She develops surface-enhanced Raman spectroscopy (SERS) for bioanalysis, and has won several awards for her research, including the Coblentz Society Craver Award.
Maria Kuhnert-Brandstätter, was an Austrian pharmacist trained in pharmacognosy and known for her research on thermomicroscopy, and her microchemical investigations of natural and synthetic drug substances.
References
- 1 2 "Ao Prof. Dr. Bernhard Lendl" (retrieved February 21, 2013)
- 1 2 3 4 "Bioprocess Monitoring with Ultrasound-Enhanced ATR Mid-IR Spectroscopy" (retrieved February 21, 2013)
- ↑ "Bernhard Lendl" Archived September 24, 2013, at the Wayback Machine , a TU Vienna webpage (retrieved May 24, 2013)
- ↑ "2011 SAS awards". Archived from the original on 2012-07-04. Retrieved 2013-02-21.
- ↑ The SAS Spectrum Newsletter [ permanent dead link ], November 2011
- ↑ "Agilent Thought Leader Program". Agilent University Relations. Retrieved 2023-05-26.
- ↑ "Thought Leader Award für Bernhard Lendl". TU Wien Aktuelles. 2021-09-28. Retrieved 2023-05-26.
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