X-Nico

4 unusual facts about spectroscopy


Bityite

The atomic structure derived by X-Ray powder and optical analysis of bityite is that of a two layer modification that also exhibits a complex affinity to twinning.

GRB 030329

A spectrum taken of the burst's optical afterglow on 6 April 2003 showed peaks at approximately 570 nm and 470 nm.

Jonathan Sarfati

(Hons.) in chemistry, and a Ph.D. in the same subject for a thesis entitled "A Spectroscopic Study of some Chalcogenide Ring and Cage Molecules".

Marilyn E. Jacox

In the same year, she was awarded George C. Pimentel Award for her Advances in Matrix Isolation Spectroscopy.


András Perczel

He has achieved his most important results by use of spectroscopy: he has studied bioactive peptides with CD, NMR spectroscopy and molecular modelling.

Bernt Krebs

His work in synthesis and spectroscopy involved close cooperation with Achim Müller.

Beth Israel Deaconess Medical Center

James B. Aguayo-Martel MD MPH, developer of MR microscopy and deuterium spectroscopy.

CCPN

Collaborative Computing Project for NMR - A project for computational aspects NMR spectroscopy.

Character table

In chemistry, crystallography, and spectroscopy, character tables of point groups are used to classify e.g. molecular vibrations according to their symmetry, and to predict whether a transition between two states is forbidden for symmetry reasons.

Chen Yung-Jui

During the ten years in industry, he worked on MOS/MNOS VLSI technology, wafer scale integration, Ultra-fast optical spectroscopy, nonlinear optics of semiconductors and organic polymers, integrated optics and optoelectronic devices.

Dehydrogenative coupling of silanes

Routine MS and GC-MS spectroscopy do not provide useful data for these substrates.

Doppler broadening

Saturated absorption spectroscopy, also known as Doppler-free spectroscopy, can be used to find the true frequency of an atomic transition without cooling a sample down to temperatures at which the Doppler broadening is minimal.

E. Bright Wilson Award in Spectroscopy

Bright Wilson Award in Spectroscopy is awarded annually by the American Chemical Society to recognize outstanding accomplishments in fundamental or applied spectroscopy in chemistry. It was first awarded in 1997 and was named in honor of the American Physical Chemist and Spectroscopy pioneer, E. Bright Wilson.

Ernst Ruska-Centre

The Ernst Ruska-Centre (ER-C) for Microscopy and Spectroscopy with Electrons is a German research establishment conjointly operated by the Jülich Research Centre and RWTH Aachen University on a pari passu basis.

Force spectroscopy

Common applications of force spectroscopy are measurements of polymer elasticity, especially biopolymers such as RNA and DNA.

Functional near-infrared spectroscopy

Functional Near-Infrared Spectroscopy (fNIR or fNIRS), is the use of NIRS (near-infrared spectroscopy) for the purpose of functional neuroimaging.

Genoa Joint Laboratories

Using Electrochemical Impedance Spectroscopy, it has been found that the rate determining step of the oxygen reduction reaction changes between 700 and 800°C.

Jürgen Hennig

From 1982 to 1983 Hennig was a post-doctoral student at the University of Zurich, where he worked in the area of CIDNP Spectroscopy.

Kargaly

The ideas presented were based on the results from a series of spectral analyses of metal objects from burials of the Pit-grave and Poltavka (Yamno-Poltavka) community of the southern Urals and Volga regions.

Ljubov Rebane

Received the USSR State Prize (Russian: Госуда́рственная пре́мия СССР) in 1986 together with Rein Avarmaa, Anšel Gorohhovski, Roman Personov, Boris Harlamov, Jevgeni Alšits, Ljudmila Bõkovskaja, Vladimir Maslov, Jaak Kikas and Konstantin Solovjov for the cycle of articles "High-spectral-resolution spectroscopy and for the persistent spectral hole-burning of molecules and solids" (Russian: Авармаа, Рейн Арнольдович, зав.

Long-slit spectroscopy

In astronomy, Long-slit spectroscopy involves observing an elongated celestial object (such as a nebula or along the major axis of a disc galaxy at high inclination) through an elongated slit aperture, and refracting this light with a prism or diffraction grating.

McMaster Faculty of Science

Many discoveries have been made at McMaster University such as the development of neutron spectroscopy by Bertram Brockhouse which earned him a Nobel Prize in Physics in 1994.

Meggers

William Frederick Meggers (1888–1966), American physicist specialising in spectroscopy

Metal acetylacetonates

This particular complex, which has a three unpaired electrons, is used as a spin relaxation agent to improve the sensitivity in quantitative Carbon-13 NMR spectroscopy.

Microtome

Spectroscopy (especially FTIR or Infrared spectroscopy) Technique: thin polymer sections are needed in order that the infra-red beam will penetrate the sample under examination.

Mizar and Alcor

More components of the Mizar system were discovered with the advent of the telescope and spectroscopy; a fine, easily-split visual target, Mizar was the first telescopic binary discovered—most probably by Benedetto Castelli who in 1617 asked Galileo Galilei to observe it.

MTSL

MTSL (S-(2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl methanesulfonothioate) is a chemical compound which can be used as a nitroxide (amine oxide) paramagnetic spin label in protein Electron paramagnetic resonance spectroscopy experiments.

Neptunium

In 1938, Horia Hulubei, a Romanian physicist; and Yvette Cauchois, a French chemist; claimed to have discovered element 93 via spectroscopy in minerals.

Nestor J. Zaluzec

He developed Lorentz STEM imaging, High Angular Resolution Electron Channeling X-ray Spectroscopy (HARECXS), High Angular Resolution Electron Channeling Electron Spectroscopy (HARECES), Position Resolved Diffraction, as well as his invention of the scanning confocal electron microscope and the π steradian Transmission X-ray Detector, for which he was given the R&D 100 Awards in 2003 and 2010 respectively.

Nuclear electronics

Essential elements of such systems include fast detectors for charged particles, discriminators for separating them by energy, counters for counting the pulses produced by individual particles, fast logic circuits (including coincidence and veto gates), for identification of particular types of complex particle events, and pulse height analyzers (PHAs) for sorting and counting gamma rays or particle interactions by energy, for spectral analysis.

Padmanabhan Balaram

To do this, he has extensively used techniques such as Nuclear Magnetic Resonance spectroscopy, Infrared spectroscopy, and Circular Dichroism, along with X-ray crystallography.

Phosphorus pentafluoride

Fluorine-19 NMR spectroscopy, even at temperatures as low as −100 °C, fails to distinguish the axial from the equatorial fluorine environments.

Photoelectron photoion coincidence spectroscopy

Photoelectron photoion coincidence spectroscopy, PEPICO for short, is a combination of photoionization mass spectrometry and photoelectron spectroscopy.

Phthalaldehyde

The method is spectrometric (fluorescent emission at 436-475 nm (max 455 nm) with excitation at 330-390nm (max. 340 nm)).

Polarization spectroscopy

Polarization spectroscopy comprises a set of spectroscopic techniques based on polarization properties of light (not necessarily visible one; UV, X-ray, infrared, or in any other frequency range of the electromagnetic radiation).

Ralph Copeland

Copeland discovered thirty-five NGC objects, most of them with Lord Rosse's 72" reflector. Planetary nebulae were found by visual spectroscopy at Dun Echt and during an Andes expedition. Seven of the galaxies in the constellation Leo form the famous "Copeland Septet": NGC 3745, 3746, 3748, 3750, 3751, 3753, and 3754.

Rigid rotor

in wave numbers, cm−1, a unit that is often used for rotational-vibrational spectroscopy.

Solid-state nuclear magnetic resonance

Membrane proteins and amyloid fibrils, the latter related to Alzheimer's disease and Parkinson's disease, are two examples of application where solid-state NMR spectroscopy complements solution-state NMR spectroscopy and beam diffraction methods (e.g. X-ray crystallography, electron microscopy).

Spin crossover

Due to the changes in magnetic properties that occur from a spin transition - the complex being more diamagnetic in a LS state and more paramagnetic in a HS state - magnetic susceptibility measurements as a function of temperature are most commonly used in addition to optical spectroscopy and X-ray crystallography.

Ulrich Pöschl

Ulrich Pöschl studied chemistry at the Graz University of Technology in Austria and obtained his PhD in 1995 with Karl Hassler at the Institute of Inorganic Chemistry with a thesis on "Synthesis, Spectroscopy and Structure of selectively functionalized cyclosilanes ".

Walter Grotrian

The Grotrian diagram in atomic spectroscopy showing the allowed transitions between atomic energy levels

William F. Meggers Award

It was established in 1970 to honor William Frederick Meggers and his contributions to the fields of spectroscopy and metrology.

William Huggins

Sir William Huggins, OM, KCB, FRS (7 February 1824 – 12 May 1910) was an English astronomer best known for his pioneering work in astronomical spectroscopy together with his wife Margaret Lindsay Huggins.

Wrapped Cauchy distribution

The wrapped Cauchy distribution is often found in the field of spectroscopy where it is used to analyze diffraction patterns (e.g. see Fabry–Pérot interferometer)


see also