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App Notes

Results 1041–1050 of 1444

PearlTM: New and Used Motor and Hydraulic Oils

| Contributed by Specac

Read why the PearlTM is ideal for quality checking motor and hydraulics oils in this application note.

EPA Method 544: Determination of Microcystins and Nodularin in Drinking Water by SPE and LC-MS/MS Detection

| Contributed by UCT

This application note outlines a SPE method for the determination of 6 microcystins and nodularin in drinking water according to EPA Method 544.

Comprehensive analysis of coffee bean extracts by GC×GC–TOF MS

| Contributed by Markes International Ltd

This Application Note shows that BenchTOF time-of-flight mass spectrometers, in conjunction with GC×GC, provide a high-performance solution for screening for key aroma compounds in complex coffee extracts.

Comparing the aroma profiles of hops by TD–GC–TOF MS with Select-eV variable-energy electron ionisation

| Contributed by Markes International Ltd

This Application Note demonstrates the high performance of a TD–GC–TOF MS system for the analysis of complex aroma profiles from hops.

Enhancing the development of low-emitting products and materials

| Contributed by Markes International Ltd

This Application Note describes how sampling technologies for thermal desorption that are typically used by test laboratories for screening products for chemical emissions can also provide manufacturers with tools that greatly aid the development of low-emitting products and materials

Thermal unfolding of antibodies

| Contributed by Nano Temper

Comparison of nanoDSF and µDSC for thermal stability assessment during biopharmaceutical formulation development

7 Steps to changing carrier gas from Helium to Hydrogen

| Contributed by Peak Scientific

Helium is becoming increasingly expensive with reports of its price having doubled in some regions between 2013 and 2015.

Estrone and Estradiol Extraction from Human Serum Using ISOLUTE® SLE+ Before LC-MS/MS

| Contributed by Biotage

This application note describes a simple supported liquid extraction method for extraction of estrone and estradiol from human serum.

Analysis of Polychlorinated Biphenyls in Fish Oil Using Supelclean EZ-POP NP, Silica Gel SPE, and an SLB-5ms GC Column

| Contributed by Sigma Aldrich

This method uses solid phase extraction with Supelclean EZ-POP NP and a small silica gel cartridge for additional cleanup. The resulting extract has low background and a full range of PCB congeners can be analyzed by GC/ECD.

Confocal Raman Imaging in Life Science - Living Cells, Bacteria & Tissues

| Contributed by WITec GmbH

From measurements in liquids, to solid samples and soft tissues in life science research various samples are analysed on a regular basis.

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