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Aggregate Analysis of Recombinant Human Growth Hormone
In this application note, we demonstrate the SEC separation of recombinant human growth hormone (rhGH), somatotropin.
Assessing Column Lifetime of a UHPLC Size Exclusion Column
In this application note, we demonstrate the robustness of a sub-2 µm SEC column. Over 300 injections of a protein sample (Myoglobin) were performed.
Arginine as a Mobile Phase Cosolvent
In this application note, we explore arginine as a mobile phase cosolvent that improves high molecular weight aggregate recovery for size exclusion chromatography.
Biozen dSEC Column Product Guide v2
This guide provides an overview of the Biozen size exclusion chromatography columns for the analysis of monoclonal antibodies, biosimilars, and other biomolecules.
Determination of Residual Solvents and Terpenes
The versatile selectivity and high temperature limit of Zebron ZB-624plus provides a one column GC-FID solution to cannabis residual solvent and terpenes testing.
Expanded Mycotoxins Analysis in Cannabis Matrices
An expanded list of 15 mycotoxins for LC–MS/MS analysis is shown with a simple solvent and modified QuEChERS salt extraction. The workflow is simple and accessible.
65 California Pesticide Analysis from Cannabis
The California list covers a wide range of pesticides with diverse chemical properties. This LC–MS/MS method features increased resolving power for the multiresidue pesticides of interest.
THC Remediation from CBD extract
Flash chromatography is widely used for purifications in pharmaceutical product synthesis and is now finding similar application in CBD -THC remediation.
UHPLC Analysis of Six Common Nitrosamines
Six nitrosamines are separated using a YMC-Triart C18 UHPLC column. This is challenging due to the commonly observed small peaks thanks to low impurity concentrations.
Analysis of 20 Terpenes in Cannabis by GC-FID
A practical GC-FID method for 20 terpenes from cannabis using a Zebron ZB-624PLUS GC column with an upper temperature limit of 300/320 °C.
Quantification of 10 Cannabinoids in Cannabigerolic Acid
CBG-A dominant cultivars show lower total THC concentrations compared to CBD-A dominant cultivars and are sought for their likelihood to pass total THC compliance testing.
18 Cannabinoids for Potency Testing
A practical chromatographic separation of 18 cannabinoids with flexibility across HPLC and UHPLC platforms in a simple, isocratic workflow.
Analysis of VOCs in Air Using Hydrogen Carrier Gas
Demonstrating how a Markes Multi-Gas TD can operate with hydrogen carrier gas as well as it does with helium to meet all the criteria cited in US EPA Method TO-17
Analysis of Fragranced Consumer Products Using TD–GC–MS
The complementary roles of dynamic headspace and sorptive extraction in the analysis of fragranced consumer products using TD–GC–MS
Analysis of VOC Emissions from Automotive Interiors – VDA278
Analysis of VOC and FOG emissions from automotive interior materials by direct desorption TD–GC–MS in accordance with VDA 278
Addressing the Challenges of Microplastic Characterization Using Thermal Desorption
An application note demonstrating the quantitative analysis of microplastics using direct thermal desorption (TD) combined with GC–MS
Monitoring Chemical Warfare Agents
A study describing the advantages of using tube-based thermal desorption for monitoring chemical warfare agents at ultratrace levels
Air Monitoring by US EPA Method TO-15
Application note discussing innovative cryogen-free ambient air monitoring in compliance with US EPA Method TO-15
Hydrogen Carrier gas to enhance TD–GC–MS
Application describing the use of hydrogen carrier gas to enhance TD–GC–MS methods for semi- SVOCs in air: an illustration with polyaromatic hydrocarbons (PAHs)
Application Note: Untargeted Screening of PFAS
Detailing how thermal desorption GC–MS can be used to monitor the release of PFAS during the application of aqueous film-forming foam
“Air Toxics” Monitoring by US EPA Method TO-17
Automated cryogen-free monitoring of “air toxics” in ambient air using tube-based TD–GC–MS in accordance with US EPA Method TO‑17
Convenient Customization of Your Cation Exchange Analysis
This application demonstrates high-resolving, reproducible charge variant analysis of two monoclonal antibodies, trastuzumab and NIST mAb, with different pH gradients.
Application Note: Liposome Size, Concentration, and Structural Characterization by FFF-MALS-DLS
Application Note: comprehensive Analysis of C2–C8 PFAS Using a Novel LC Column
Comprehensive Screen of Acidic/Neutral/Basic Drugs from Urine and Plasma Using Micro-Prep™ HLB and MMCX Extraction Plates and Analysis on LC–MS/MS
SEC–MALS Analysis of Exosomes Using the Shodex OHpak SB-806 HQ
Sugar, Sugar, Everywhere
Characterization of Monoclonal Antibodies Using Native SEC–MS and Its Comparison to Denaturing RP–MS Technique
Application Note: Ultrahigh Sensitivity Proteomics on the timsTOF SCP
Determination of 14 Impurity Elements in Lithium Carbonate Using ICP-OES