Analytical chemistry

News and Updates

A scientist in lab coat and rubber gloves places a large clear bag of marijuana on a weighing scale.

NIST Study Will Help Labs Distinguish Between Hemp and Marijuana

January 14, 2021

Hemp and marijuana both come from the Cannabis plant. But legally, they are very different. If cannabis has less than 0.3% THC — for tetrahydrocannabinol, the

Room Temperature Conversion of CO₂ to CO: A New Way to Synthesize Hydrocarbons

November 2, 2020

Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have demonstrated a room-temperature method that could

NIST Quality Assurance Program for Health Assessment Measurements Open for Registration

September 25, 2020

NIST has established a Health Assessment Measurements Quality Assurance Program (HAMQAP), in collaboration with the National Institutes of Health Office of

Projects and Programs

NIST Tools for Cannabis Laboratory Quality Assurance

The Chemical Sciences Division (CSD) at NIST is developing an integrated measurement services program for Forensic and Cannabis (hemp and marijuana)

Far-infrared Spectroscopy of Biomolecules (Archived)

Far-infrared (or terahertz/THz, ca. 25 to 300 micron wavelength) femtosecond pulsed laser and Fourier-transform infrared methods are employed to measure

PTIR combines the spatial resolution of AFM with the specificity of absorption spectroscopy

Nano-Chemical Imaging and -Spectroscopy (IR, nIR, VIS)

Conventional techniques for analyzing chemical composition, such as infrared (IR) microscopy often miss critically important nanoscale details. To overcome this

Measurement Science of Per- and Polyfluoroalkyl Substances (PFAS)

Researchers at the National Institute of Standards & Technology are creating reference materials and data resources to address the per- and polyfluoroalkyl

Publications

Determination of Total Arsenic and Hydrophilic Arsenic species in Seafood

March 1, 2021

Author(s)

Caleb Luvonga, Catherine A. Rimmer, Lee L. Yu, Sang Bok Lee

Marine organisms are vital sources of staple and functional food but are also the major dietary route of human exposure to total arsenic. We report the total

Biomonitoring of emerging DINCH metabolites in pregnant women in Charleston, SC: 2011-2014

January 1, 2021

Author(s)

Abby G. Wenzel, Jessica L. Reiner, Satomi Kohno, Bethany J. Wolf, John W. Brock, Lori Cruze, Roger B. Newman

Due to the mounting evidence that phthalates produce adverse endocrine effects in humans and wildlife, the use of other chemicals as replacements has increased

Relationship between the Pacific Decadal Oscillation (PDO) and persistent organic pollutants in sympatric Alaskan seabird (Uria aalge and U. lomvia) eggs between 1999 and 2010

January 1, 2021

Author(s)

Vrinda Kalia, Stacy S. Schuur, Keith A. Hobson, Howard H. Chang, Lance A. Waller, Steven Hare, Matthew O. Gribble

Although climate change occurs alongside other anthropogenic ecosystem impacts, little is known about how sea-surface temperature variability influences the

Identifying risk factors for levels of perfluoroalkyl substances in the placenta in a high-risk pregnancy cohort in North Carolina

December 31, 2020

Author(s)

Jacqueline T. Bangma, Lauren A. Eaves, Kirsi Oldenburg, Jessica L. Reiner, Tracy Manuck, Rebecca C. Fry

Prenatal exposure to perfluoroalkyl substances (PFAS), a ubiquitous class of chemicals, is associated with adverse outcomes such as preeclampsia, low infant

Software

NIST Mass and Fragment Calculator Software

January 31, 2019

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 ions

NIST DTSA-II

February 1, 2018

NIST DTSA-II builds on the best available algorithms in the literature to simulate, quantify and plan energy dispersive x-ray analysis measurements.

JB95 Spectral fitting program

February 19, 2016

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 complex

Custom Lifetime Imaging Platform (CLIP)

CLIP is an analysis program for fluorescence lifetime images. It provides the user with the ability to fit or calculate the phasor plots for lifetime decays

Tools and Instruments

Atom Probe Tomography (LEAP 4000X Si/HR – Local Electrode Atom Probe)

LEAP 4000X Si/HR Imaging time-of-flight mass spectrometer and field ion microscope. Can deliver 3-D, isotopically- and chemically- resolved images Sub-nanometer

Focused Ion Beam (Helios 660)

The Helios 660 NanoLab(HNL660) is a Focused Ion Beam Scanning Electron Microscope equipped with spectroscopic detectors to allow elemental and phase

Fourier Transform Infrared Spectroscopy

Fourier Transform Infrared (FTIR) Spectroscopy is a spectroscopic technique in which the vibrational modes of the molecules comprising a material of interest

TESCAN MIRA3 for automated electron microscopy

A TESCAN MIRA3 Schottky field-emission scanning electron microscope with 4 30 mm2 silicon x-ray drift detectors which has been automated for particle and

Analytical chemistry

News and Updates

NIST Study Will Help Labs Distinguish Between Hemp and Marijuana

Room Temperature Conversion of CO₂ to CO: A New Way to Synthesize Hydrocarbons

NIST Quality Assurance Program for Health Assessment Measurements Open for Registration

Projects and Programs

NIST Tools for Cannabis Laboratory Quality Assurance

Far-infrared Spectroscopy of Biomolecules (Archived)

Nano-Chemical Imaging and -Spectroscopy (IR, nIR, VIS)

Measurement Science of Per- and Polyfluoroalkyl Substances (PFAS)

Publications

Determination of Total Arsenic and Hydrophilic Arsenic species in Seafood

Biomonitoring of emerging DINCH metabolites in pregnant women in Charleston, SC: 2011-2014

Relationship between the Pacific Decadal Oscillation (PDO) and persistent organic pollutants in sympatric Alaskan seabird (Uria aalge and U. lomvia) eggs between 1999 and 2010

Identifying risk factors for levels of perfluoroalkyl substances in the placenta in a high-risk pregnancy cohort in North Carolina

Software

NIST Mass and Fragment Calculator Software

NIST DTSA-II

JB95 Spectral fitting program

Custom Lifetime Imaging Platform (CLIP)

Tools and Instruments

Atom Probe Tomography (LEAP 4000X Si/HR – Local Electrode Atom Probe)

Focused Ion Beam (Helios 660)

Fourier Transform Infrared Spectroscopy

TESCAN MIRA3 for automated electron microscopy

Awards

Lane Sander Honored by American Chemical Society

David Long Honored with PECASE

Dr. Tara Lovestead receives highest US government honor for young investigators