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Datasets from an interlaboratory comparison to characterize a multi-modal polydisperse sub-micrometer bead dispersion
Data provided by National Institute of Standards and Technology
These four data files contain datasets from an interlaboratory comparison that characterized a polydisperse five-population bead dispersion in water. A more detailed version of this description is available in the ReadMe file (PdP-ILC_datasets_ReadMe_v1.txt), which also includes definitions of abbreviations used in the data files. Paired samples were evaluated, so the datasets are organized as pairs associated with a randomly assigned laboratory number.
Tags: Biosciences and Health,particle,protein particle,sub-micrometer particle,subvisible particle,particle tracking analysis,resonant mass measurement,electrical sensing zone,holographic particle characterization,flow imaging,laser diffraction,flow cytometry,
Modified: 2024-02-22
Views: 0
MAM Consortium Interlaboratory Study Raw Data
Data provided by National Institute of Standards and Technology
These LC-MS and LC-MS/MS raw data were collected for purposes of an interlaboratory study evaluating the multi-attribute method (MAM). Tryptic digests of native NISTmAb (the "Reference" and the "Unknown" samples), degraded NISTmAb (the "pH Stress" sample) and NISTmAb spiked with 15 heavy-labeled synthetic peptides (the "Spike" sample) were sent to each participating laboratory. One injection of each digest was acquired in MS-only mode, while a second injection was acquired in MS/MS mode.
Tags: attribute analytics,interlaboratory study,multi-attribute method,MAM Consortium,mass spectrometry,new peak detection,NPD,purity testing,round robin,targeted analytics,NISTmAb,
Modified: 2024-02-22
Views: 0
Construction of a Dual-enzyme, Subzero (-30 degree C) Chromatography System and Multi-channel Precision Temperature Controller for Hydrogen-Deuterium Exchange Mass Spectrometry
Data provided by National Institute of Standards and Technology
This tutorial provides mechanical drawings, electrical schematics, parts lists, STL files for 3D-printed parts, IGS files, and instructions for automated machining necessary for construction of a dual-protease, subzero, liquid chromatography system for hydrogen-deuterium exchange mass spectrometry. Electrical schematics for construction of a multi-zone temperature controller that regulate to ±0.1 oC are also included in this tutorial.
Tags: liquid chromatography,hydrogen-deuterium exchange,mass spectrometry,precision,peptide,protein,proteolysis,proteomics,reference material,temperature control.,
Modified: 2024-02-22
Views: 0
Aggregation of Purified Protein Reference Materials Characterized by Asymmetric Flow Field Flow Fractionation
Data provided by National Institute of Standards and Technology
This is a file containing aggregation data for two proteins that were thermomechanically aggregated. The aggregated proteins were separated by asymmetric flow field flow fractionation and separated protein fractions were detected and quantified by UV spectrophotometry and multi-angle light scattering. The UV spectrophotometry was used to quantify the amount of residual monomer, which is reported herein. The multi-angle light scattering was fitted to a relevant model to calculate the molecular weight of the aggregated protein, also reported herein.
Tags: electrical sensing zone,flow imaging,light obscuration,particle,protein aggregate,protein particle,subvisible particle,visible particle,Biosciences and Health,
Modified: 2024-02-22
Views: 0
Development of a Tool to Determine the Variability of Consensus Mass Spectra Supporting Data
Data provided by National Institute of Standards and Technology
Supporting datasets and algorithms (R-based) for the manuscript entitled "Development of a Tool to Determine the Variability of Consensus Mass Spectra", including an R Markdown script to reproduce the manuscript's figures.
Tags: mass spectrometry,uncertainty analysis,per- and polyfluoroalkyl substances,PFAS,reference mass spectrum,
Modified: 2024-02-22
Views: 0
SRM 3163 Tungsten (W) Standard Solution, Lot No. 140606
Data provided by National Institute of Standards and Technology
This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of tungsten. A unit of SRM 3163 consists of 50 mL of an acidified aqueous solution prepared gravimetrically to contain a known mass fraction of tungsten in a high-density polyethylene bottle sealed in an aluminized bag.
Tags: tungsten,pure materials,cations,single-element solutions,spectrometry,Biosciences and Health,
Modified: 2024-02-22
Views: 0
SRM 3235 Soy Milk
Data provided by National Institute of Standards and Technology
SRM 3235 Soy Milk - This Standard Reference Material (SRM) is intended primarily for validation of methods for determining vitamins, elements, proximates, fatty acids, and amino acids in soy milk and similar materials. This SRM can also be used for quality assurance when assigning values to in-house reference materials. The SRM is a soy milk prepared by a commercial manufacturer. A unit of SRM 3235 consists of 10 ampoules, each containing approximately 10 mL of material. This data is public in the Certificate of Analysis for this material.
Tags: Standard Reference Material,SRM,SRM 3235,soy milk,soy,certified values,reference values,food,nutrition,dietary supplements,Food and Nutrition,
Modified: 2024-02-22
Views: 0
SRM 3239 Isoflavones Calibration Solution
Data provided by National Institute of Standards and Technology
SRM 3239 Isoflavones Calibration Solution - This Standard Reference Material (SRM) is intended primarily for use in calibration of instruments and techniques used for the determination of isoflavones. SRM 3239 consists of two solutions containing isoflavones at levels that reflect the mass fraction ratios found in soy products. This data is public in the Certificate of Analysis for this material.
Tags: Standard Reference Material,SRM,SRM 3239,certified values,nutrition,dietary supplements,isoflavones,Food and Nutrition,
Modified: 2024-02-22
Views: 0
SRM 3252 Protein Drink Mix
Data provided by National Institute of Standards and Technology
SRM 3252 Protein Drink Mix - This Standard Reference Material (SRM) is intended primarily for validation of methods for determining proximates, fatty acids, cholesterol, vitamins, elements, and amino acids in protein drink mixes and similar materials. This SRM can also be used for quality assurance when assigning values to in-house reference materials. This data is public in the Certificate of Analysis for this material.
Tags: Standard Reference Material,SRM,SRM 3252,protein drink mix,certified values,reference values,food,nutrition,dietary supplements,Food and Nutrition,
Modified: 2024-02-22
Views: 0
SRM 3290 Dry Cat Food
Data provided by National Institute of Standards and Technology
SRM 3290 Dry Cat Food - This Standard Reference Material (SRM) is intended primarily for use in validating methods for determining proximates, fatty acids, vitamins, elements, and amino acids in dry cat food and similar matrices. This SRM can also be used for quality assurance when assigning values to in-house control materials. This SRM is a blend of commercially available dry cat foods. A unit of SRM 3290 consists of five heat-sealed, aluminized pouches, each containing approximately 10 g of material. This data is public in the Certificate of Analysis for this material.
Tags: Standard Reference Material,SRM,SRM 3290,dry cat food,certified values,reference values,food,nutrition,Food and Nutrition,
Modified: 2024-02-22
Views: 0