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App Notes

Results 21–30 of 983

Sample Preparation Method for Determination of Mycophenolic Acid in Plasma Using ISOLUTE ® SLE+

| Contributed by Biotage

ISOLUTE® SLE+ was used as a sample pretreatment column for mycophenolic acid determination in plasma using the principles of SLE.

Automated analysis of VOCs and SVOCs in soils: Versatile options for extending analyte range and sensitivity

| Contributed by Markes

Soils are fundamental to a wide range of ecosystem functions, and monitoring soil health is essential to ensure that these functions can be maintained

High resolution analysis of monoclonal antibodies using the cation exchange column BioPro IEX SF

| Contributed by YMC

Cation exchange chromatography (CEX) is perceived to be the gold standard for the charge sensitive characterisation of monoclonal antibodies (MAbs).

Quantitative analysis of microplastics in bottled drinks

| Contributed by Markes

There is a growing concern that the accumulation of microplastics in the environment could have an adverse effect on human health

Enhancing the sensitivity of headspace analysis using large volume preconcentration (LVP) – Trace-level GC–MS analysis of VOCs in foods and beverages

| Contributed by Markes

In this app note, we show an increase in sensitivity for headspace analysis using a sample preparation technique called large volume preconcentration.

Enhancing sensitivity for headspace and headspace-SPME analysis: The benefits of a trap-based approach

| Contributed by Markes

How sorbent-packed focusing traps can be used to enhance sensitivity for headspace and headspace-SPME sampling of trace-level VOCs and SVOCs

Analysis of Pesticides in a Cannabis sativa Matrix

| Contributed by Jeol

Cannabis sativa is well-known for its use as a recreational drug due the presence of the psychoactive compound tetrahydrocannabinol (THC)

Extraction of THC and its Metabolites from Human Nail Samples Using ISOLUTE® SLE+ Prior to UPLC-MS/MS Analysis

| Contributed by Biotage

The testing of alternative matrices in forensic and/or clinical toxicology is gaining popularity, partly due to less invasive means of collection.

Analysis of THC in Cannabidiol Oil Using a Pyroprobe

| Contributed by CDS

This application note demonstrates a quantitative analysis of δ9-Tetrahydrocannabinol (THC) from a cannabidiol oil sample.

The use of SPME-GC/MS to determine the best packaging material for preventing light-induced off-flavors in milk - Millipore

| Contributed by MilliporeSigma

Light induced off-flavors (LIOFs) can be an issue when milk is packaged in high density polyethylene (HDPE) plastic jugs instead of glass bottles.

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