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Dentistry

News and Updates

Events

AI and Flow Cytometry Workshop

Mon, Jun 9 - Tue, Jun 10 2025
A NIST–FDA–NIAID Co-Organized Workshop This workshop aims to advance AI/ML applications in flow cytometry and related

Genome Editing Consortium Workshop

Thu, Jun 12 - Fri, Jun 13 2025
The purpose of this workshop is to share and obtain feedback on current and future activities of the NIST Genome Editing

Projects and Programs

3D Molecular Orientation Imaging

Ongoing
We have developed 3D orientation measurement techniques by analyzing polarization-dependent molecular vibrational signals based on infrared (IR) absorption [1,2] and coherent anti-Stokes Raman scattering (CARS) [3]. The two imaging modalities are complementary to each other: IR imaging broadly

AAPS Interlaboratory Study: Protein Aggregation and Immunogenicity

Ongoing
To ensure the safety and efficacy of protein-based biotherapeutics, manufacturers strive to avoid unwanted immune responses caused by the biotherapeutic. Protein immunogenicity is a complex topic and depends on multiple factors related to the product, patient profile, and treatment. 1 , 2

Advanced Spectral Analysis: Two-Dimensional Correlation Spectroscopy (2DCOS)

Ongoing
When a series of spectra are acquired from a sample as a function of temperature, pressure, electric field strength, concentration, or any experimental parameters, conventional spectral analysis is performed by monitoring the intensity change at a specific frequency. However, such a single frequency

Biofabrication of Tissue Engineered Constructs

Ongoing
OCT imaging was assessed using a model scaffold-cell system consisting of a polysaccharide-based hydrogel seeded with human Jurkat cells. Four test systems were used: hydrogel seeded with live cells, hydrogel seeded with heat-shocked or fixed dead cells and hydrogel without any cells. Time series

Publications

NIST Special Publication 260 NIST.SP.260-256 Certification of Standard Reference Material®s 3672a & 3673a: Organic Contaminants in Smokers' Urine (Frozen) & Organic Contaminants in Non-Smokers' Urine (Frozen)

Author(s)
Ashley Russell, Carolyn Burdette, Johanna Camara, Nathanael Heckert, Jennifer Hoguet, Kevin Huncik, Jared Ragland, Elena Wood
Standard Reference Material (SRM) 3672a Organic Contaminants in Smokers' Urine (Frozen) and SRM 3673a Organic Contaminants in Non-Smokers' Urine (Frozen) are

Inhibition by 4-(4-Bromo-2-oxo-3H-benzimidazol-1-yl)-N-(4-iodophenyl)piperidine-1-carboxamide) (TH5487) of the Activity of Human 8-Oxoguanine DNA Glycosylase-1 (OGG1) for the Excision of 2,6-Diamino-4-hydroxy-5-formamidopyrimidine, 4,6-Diamino-5-formamido

Author(s)
Pawel Jaruga, R. Stephen Lloyd, Michael Luzadder, Istvan Boldogh, M Miral Dizdar
DNA glycosylases of the base excision repair pathway have become clinically validated drug targets for treatment of several diseases. Human OGG1 (hOGG1) is

CCQM-P199b: Interlaboratory comparability study of SARS-CoV-2 RNA copy number quantification

Author(s)
Alison Devonshire, Eloise Busby, Gerwyn Jones, Denise O'Sullivan, Ana Fernandez-Gonzalez, Laura Hernandez-Hernandez, Xinhua Dai, Lianhua Dong, Chunyan Niu, Jie Xie, Xia Wang, Xiaoting Qiao, Xiang Fang, Clare Morris, Neil Almond, Megan Cleveland, Peter Vallone, Esther Castro Galván, Melina Pérez Urquiza, Mercedes Guadalupe Herrera López, Arifa Khan, Sandra Fuentes, Elsa Baumeister, John Emerson Leguizamon Guerrero, Sergio Luis Davila Gonzalez, Andres Felipe León Torres, Aurea Folgueras-Flatschart, Marcelo Neves de Medeiros, Antonio Marcos Saraiva, Roberto Becht Flatschart, Carla Divieto, Mattia Pegoraro, Massimo Zucco, Laura Revel, Marco Mazzara, Philippe Corbisier, Gerhard Buttinger, Young-Kyung Bae, Alexandra Bogožalec Košir, Mojca Milavec, Malcolm Hawkins, A. Pia Sanzone, Phattarapornn Morris, Sasithon Temisak, David Lynch, Jacob McLaughlin, Michael Forbes-Smith, Felicity Hall, Daniel Burke, Sachie Shibayama, Shin-ichiro Fujii, Megumi Kato, Samreen Falak, Rainer Macdonald, Andreas Kummrow, Andrey Komissarov, Sema Akyurek, Muslum Akgoz, Maxim Vonsky, Andrey Runov, Elena Kulyabina, Denis Rebrikov, Jim Huggett
RNA is the analyte targeted by nucleic acid amplification tests for SARS-CoV-2 virus, the causative agent of the COVID-19 pandemic. RNA concentration measured

METROLOGY FOR MRI: THE FIELD YOU'VE NEVER HEARD OF

Author(s)
Kathryn Keenan, Stephen Russek, Matt Hall
Quantitative MRI has been an active area of research for decades and has produced a huge range of approaches with enormous potential for patient benefit. In

Software

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 ions

AutoDimer

The web-based AutoDimer software was developed to rapidly screen previously selected PCR primers for primer-dimer and hairpin interactions in short DNA

Isotope Enrichment Calculator

The NIST Isotope Enrichment Calculator is a program written in Visual Basic which determines the percentage of 15N enrichment of stable isotope-labeled peptides

Awards

Ram Sriram Named IEEE Fellow

Ram D. Sriram, Chief of ITL’s Software and Systems Division, has been named an Institute of Electrical and Electronics Engineers (IEEE)

Anne Plant Elected AAAS Fellow

MML Division Chief Dr. Anne Plant has been elected to the rank of fellow of the American Association for the Advancement of Science (AAAS)
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