Analytical chemistry

News

Scientists Lay the Groundwork for a Reliable Marijuana Breathalyzer

July 05, 2017

One reason it is difficult to design a reliable marijuana breathalyzer is that delta-9 tetrahydrocannabinol (THC), the...

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...

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...

Surface interaction parameter measurement of solvated polymers via model end-tethered chains

August 11, 2017

Author(s):

Richard J. Sheridan, Sara V. Orski, Ronald L. Jones, Sushil K. Satija, Kathryn L. Beers

We present a method for the direct measurement of the relative energy of interaction between a solvated polymer and a solid interface. By tethering linear...

Lipid Concentrations in Standard Reference Material (SRM) 1950: Results from an Interlaboratory Comparison Exercise for Lipidomics

August 01, 2017

Author(s):

John A. Bowden, Candice Z. Ulmer, Christina M. Jones, Nathanael A. Heckert

No abstract

NIST/NIH Vitamin D Metabolites Quality Assurance Program Report of Participant Results: Summer 2016 Comparability Study (Exercise 12)

July 31, 2017

Author(s):

Mary Bedner, Carolyn Q. Burdette

The National Institute of Standards and Technology (NIST) has established a Vitamin D Metabolites Quality Assurance Program (VitDQAP) in collaboration with the...

Projects & Programs

Nanometrology: Composition and Structure of Nanomaterials

Advances in methods, instrumentation and analysis protocols are developed to enhance measurement science capabilities in nanomaterial elemental and...

Advanced Materials: X-ray Science for Standards and Analysis

Advanced experimental and theoretical methods are developed to increase the accuracy and precision of X-ray line energies and information derived from X-ray...

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

Technique development and standards for ambient mass spectrometry analysis, secondary ion mass spectrometry and ion mobility spectrometry.

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

Scientists Lay the Groundwork for a Reliable Marijuana Breathalyzer

NIST Upgrades Widely Used Database of Molecular 'Fingerprints'

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

New Arsenic Sensor Prize Challenge

Publications

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

Surface interaction parameter measurement of solvated polymers via model end-tethered chains

Lipid Concentrations in Standard Reference Material (SRM) 1950: Results from an Interlaboratory Comparison Exercise for Lipidomics

NIST/NIH Vitamin D Metabolites Quality Assurance Program Report of Participant Results: Summer 2016 Comparability Study (Exercise 12)

Projects & Programs

Nanometrology: Composition and Structure of Nanomaterials

Advanced Materials: X-ray Science for Standards and Analysis

Structure-Property Relationships for High-Performance Materials

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

Software

JB95 Spectral fitting program

NIST Mass and Fragment Calculator Software

Simulated Chromatographic Data

Tools & Instruments

Milli X-Ray Fluorescence Spectrometer

Environmental Scanning Electron Microscope

Focused Ion Beam

Continuous-wave terahertz spectrometer