Analytical chemistry

News

Woman uses gas analysis mass spectrometer at NBS for chemical analysis of gas or vapor mixtures

NIST Upgrades Widely Used Database of Molecular 'Fingerprints'

June 06, 2017

When scientists need to identify an unknown compound, they do what a police detective might do. They get fingerprints—...

Illustration of setup for separating nanoparticles from organisms

NIST Updates ‘Sweet’ 1950s Separation Method to Clean Nanoparticles from Organisms

January 26, 2017

Sometimes old-school methods provide the best ways of studying cutting-edge tech and its effects on the modern world...

New Arsenic Sensor Prize Challenge

December 14, 2016

The Bureau of Reclamation has launched phase one of the Arsenic Sensor Challenge . Arsenic in water can affect human...

This JILA instrument uses a frequency comb to detect large, complex molecules based on the precise frequencies, or colors, of light they absorb.

JILA Extends Laser 'Combing' Method to Identify Large, Complex Molecules

May 04, 2016

BOULDER, Colo. – JILA physicists have extended the capability of their powerful laser "combing" technique to identify...

Publications

Selenium protein identification and profiling by mass spectrometry: A tool to assess progression of cardiomyopathy in a whale model

December 01, 2017

Author(s):

Colleen E. Bryan Sallee, Steven J. Christopher, William C. Davis, Lisa E. Kilpatrick, Gregory D. Bossart, Wayne E. McFee, Terrance X. O'Brien

Non-ischemic cardiomyopathy is a leading cause of congestive heart failure and sudden cardiac death in humans and in some cases the etiology of cardiomyopathy...

Partial Ionization Cross Sections of Organic Molecules

June 13, 2017

Author(s):

Karl K. Irikura

Partial ionization cross sections are the absolute yields of specific ions from an electron- molecule collision. They are necessary for modeling plasmas and...

Specific refractive index increment (dn/dc) of polymers at 660 nm and 690 nm

June 01, 2017

Author(s):

Andre M. Striegel

The specific refractive index increment (dn/dc) is an essential datum for the accurate quantitation of molar mass averages and distributions (inter alia) of...

Conformational Changes in Active and Inactive States of Human PP2C¿ characterized by Hydrogen/Deuterium Exchange-Mass Spectrometry

May 08, 2017

Author(s):

Sharlyn J. Mazur, Elyssia S. Gallagher, Subrata Debnath, Stewart R. Durell, Kyle W. Anderson, Lisa M. Jenkins, Ettore Appella, Jeffrey W. Hudgens

PPM serine/threonine protein phosphatases function in signaling pathways and require millimolar concentrations of Mn2+ or Mg2+ ions for activity. Whereas the...

Projects & Programs

Structure-Property Relationships for High-Performance Materials

High-performance materials are used to protect wearers from injury due to ballistic and stab threats, as well as other potentially life-threatening incidents...

Advanced Ambient Mass Spectrometry, Secondary Ion Mass Spectrometry and Ion Mobility Spectrometry

Tutorials in Analytical Chemistry

The following videos are provided for training and education in chemical metrology. Each video provides an introduction to different aspects of laboratory...

Biomaterials for Oral Health

Our goal is to enable the development and manufacturing of biomaterials for oral health moving forward in 21st century by providing critical measurement...

Software

JB95 Spectral fitting program

A graphical user interface program, JB95 , based on a Windows 95 © API platform has been written in the C programming language to aid in the analysis of...

mass and fragment calculator screen shot

NIST Mass and Fragment Calculator Software

The NIST Mass and Fragment Calculator is a program written in Visual Basic which calculates the mass of an input peptide or protein sequence along with m/z...

Simulated Chromatographic Data

The following information is provided as an aid in the validation of mathematical models used in quantitation with chromatographic data. This data may also be...

Analytical chemistry

News

NIST Upgrades Widely Used Database of Molecular 'Fingerprints'

NIST Updates ‘Sweet’ 1950s Separation Method to Clean Nanoparticles from Organisms

New Arsenic Sensor Prize Challenge

JILA Extends Laser 'Combing' Method to Identify Large, Complex Molecules

Publications

Selenium protein identification and profiling by mass spectrometry: A tool to assess progression of cardiomyopathy in a whale model

Partial Ionization Cross Sections of Organic Molecules

Specific refractive index increment (dn/dc) of polymers at 660 nm and 690 nm

Conformational Changes in Active and Inactive States of Human PP2C¿ characterized by Hydrogen/Deuterium Exchange-Mass Spectrometry

Projects & Programs

Structure-Property Relationships for High-Performance Materials

Advanced Ambient Mass Spectrometry, Secondary Ion Mass Spectrometry and Ion Mobility Spectrometry

Tutorials in Analytical Chemistry

Biomaterials for Oral Health

Software

JB95 Spectral fitting program

NIST Mass and Fragment Calculator Software

Simulated Chromatographic Data

Tools & Instruments

Environmental Scanning Electron Microscope

Focused Ion Beam

Continuous-wave terahertz spectrometer

Ozone Standard Reference Photometer