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Calibration, qualification, and validation

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facet applications:Calibration, qualification, and validation
facet content type:Technical Article
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默克Supelco®标准物质_选购指南-默克生命科学
标准物质作为分析测量值溯源与传递的重要载体,在分析检测或测量过程中起着非常重要的作用。默克标准物质种类超过20,000种,尤其是色谱、光谱及元素分析、滴定和物理性质等分析技术标准物质广受欢迎。
蛋白质SEC的色谱柱和分析标准品
体积排阻色谱(SEC)色谱柱和现成的标准品有助于方法开发,并提高蛋白质SEC方法的耐用性。
NMR参考标准品
NMR参考标准品可确保正常的仪器性能。本文总结了这类标准品的关键运行参数,如pw90、灵敏度、分辨率和线形。
用于药物分析的Supel-Select HLB SPE
Select HLB SPE是一种亲水性聚合物相,用于从水性基质中提取分析物。在本文中,它将用于从血浆中提取他汀类药物,以及从饮用水中提取48种药物分析物。
实验室工作容差的计算指南
实验室工作容差的计算指南-认证标准溶液(CRM)
LC/MS/MS法测定谷物中的草甘膦、AMPA和草铵膦
使用 HPLC 和 SPE 的离子交换聚合物基颗粒测定燕麦片和婴儿谷物中的草甘膦及相关化合物。获得低水平的检测结果。
用于详细碳氢化合物分析的P-I-A-N-O标准
这是一篇有关详细的烃分析的P-I-A-N-O标准的文章。
使用 Ascentis® Express C18 色谱柱优化各种基质中的大麻素高通量分析
使用 Ascentis® Express C18 色谱柱 HPLC 分离不同大麻产品中的 17 种大麻素的完整工作流程,运行时间更短,保留时间稳定。点击此处了解更多信息。
Analysis of Tetrahydrocannabinol (THC) and Carboxytetrahydrocannabinol (THCCOOH) in Surface Waters by SPME and GC/MS
Analysis of Tetrahydrocannabinol (THC) and Carboxytetrahydrocannabinol (THCCOOH) in Surface Waters by SPME and GC/MS
An LC/MS Peptide Standard for Rapid System Suitability Assessment and Retention Time Translation Across LC/MS Platforms
Standards are critical in liquid chromatography/mass spectrometry (LC/MS) based proteomics to ensure optimal and consistent system performance before, during, and after sample analysis.
Melamine Analysis via GC-MS
Sigma-Aldrich presents an article about the analysis of melamine and related compounds in dog food with the use of more economical gas chromatography-mass spectrometry (GC-MS) instrumentation.
LC/MS/MS Method for Determination of Glyphosate, AMPA, and Glufosinate in Cereals
Glyphosate and related compounds are measured in oatmeal and infant cereal using ion-exchange polymer-based particles for HPLC and SPE. Low level detection was obtained.
A Comparison of Solid Phase Extraction (SPE) Products Used to Purify Peanut Paste Extract for Aflatoxin Analysis
Supel Tox AflaZea SPE produced exceptional analyte recoveries with good reproducibility for all aflatoxins while requiring less than half the sample volume required by competing products.HPLC analysis of all spiked samples after SPE cleanup showed that all compared SPE cartridges
Hopane Reference Standards for use as Petrochemical Biomarkers in Oil Field Remediation and Spill Analysis
We provide high-quality, relevant hopane reference standards to be used as biomarkers for petrochemical oil field remediation and spill analysis.
New cis/trans FAME Standard for Optimising GC System Performance
AOCS and AOAC methods for determining the trans fatty acid composition of foods by gas chromatography require the use of a highly polar cyanosilicone capillary column to provide the best peak resolution attainable of the numerous geometric (cis & trans)
High-Performance Quantitative H-1 NMR
The signal ratio of two different protons can be measured with tremendous precision, which enables the generation of certified reference materials for use as qNMR standards.
Reference Standards for Analyzing Polyphenol Catechins
Reference Standards for Analyzing Polyphenol Catechins
Enzymatic Method for Determining Branched Chain Amino Acids (BCAA Assay)
Assay protocol for the colorimetric detection of Branched Chain Amino Acids (BCAA) in biological samples using the alanine assay kit.
Multiplex Quantification of Infliximab and Adalimumab in Human Serum by LC-MS/MS Using Full-Length Stable Isotope Labeled Internal Standards
Infliximab and Adalimumab monoclonal antibodies (mAbs) are used widely to treat rheumatoid arthritis, psoriatic arthritis, and many autoimmune diseases by binding to tumor necrosis factor-alpha (TNFα) to reduce the inflammatory response.
GC Analysis of a 37-Component FAME Mix on Omegawax®
This technical article will discuss GC Analysis of a 37-Component FAME Mix on Omegawax.
Petroleum Hydrocarbon Standards for SIMDIS Analyses
Understanding the boiling point range distribution of petrochemical products is critical for selection of the proper method to process feed stocks, for process control, for contaminant identification and for development of new test methods.
Bioethanol
Learn more about Bioethanol as a renewable, alternative fuel traditionally produced by the yeast fermentation of sugar.
Improving the Chromatographic Separation of DMB-Labeled Sialic Acids for the Comparison of Biosimilars to Reference Materials
A significantly improved HPLC-fluorescence method for DMB-NANA and -NGNA, and application of this method to compare 2 candidate biosimilar therapeutic proteins to their respective RMs.
High-Performance Thin-Layer Chromatography: A Fast and Efficient Fingerprint Analysis Method for Medicinal Plants
In this article we present several HPTLC applications and analytical standards for ginsenosides.
New Certified Reference Materials for α‑Lactalbumin, β‑Lactoglobulin A & B, and Lactoferrin
We have developed Certified Reference Materials (CRMs) of fully intact milk proteins that allow accurate testing of the most critical proteins in infant formula; help labs to develop and test infant formula products with high accuracy, while ensuring legal and
Fast and Accurate Analysis of Vitamin D Metabolites Using Novel Chromatographic Selectivity and Sample Preparation
Vitamin D deficiency has become a topic of interest in recent publications. Vitamin D regulates the absorption of calcium within the digestive track and is important to promote proper bone growth and prevent osteoprosis in older adults.
Quick, Sensitive LC/MS/MS Analysis of Aflatoxins in Cannabis
Analyte recovery values from spiked cannabis extracts ranged from 102 to 127% with RSD below 12% for 3 replicates. Excellent recovery values were even observed for Aflatoxins B2 and G2 which were spiked at a low level of 6.1 ppb.
Cannabinoid Analysis of Hemp: Developing an Efficient HPLC Method Workflow
Several different HPLC method options are explored for the efficient and time effective analysis of cannabinoids in a sample of hemp flower. The differences between gradient and isocratic analyses are explored, and the two methods are compared in determining the
Cannabinoid Certified Reference Materials (CRMs) for an Improved Testing Accuracy and Traceability
We offer a portfolio of cannabinoid CRMs such as THC and THCA, available as single component solutions or mixes, certified in accordance with ISO 17034 and ISO/IEC 17025 for accurate cannabinoid profiling and potency testing.
Solution with 17 Amino Acids as TraceCERT® Certified Reference Material
Technical article on "Solution with 17 Amino Acids as TraceCERT® Certified Reference Material"
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