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Displaying 1-5 of 76 results for: columns

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Fast separation of Organochlorine Pesticides (OCPs) using GC 0.32 mmID dual-column

Instrument Type: GC

Thermo Scientific TraceGOLD TG-OCP columns offer a fully separation of organochlorine pesticides in less than 7 min. The TG-OCP I and TG-OCP II column pair is designed with different selectivity, which changes several elution order to fill the conformational requirement of EPA methods.

Separation of benzodiazepines using highly inert 5% diphenyl/95% dimethyl polysiloxane column

Instrument Type: GCMS

Thermo Scientific TraceGOLD TG-5SilMS columns offer improved inertness compared to typical 5% diphenyl/95% dimethyl polysiloxane columns. Excellent peak shapes of benzodiazepines and complete separation were obtained less than 8 min

Tandem NanoLC-MS: Maximum MS Utilization for Deep Dive Proteomic Analysis

Instrument Type: nanoLCMS

Here we show that with a modest hardware extension to the UltiMate 3000 RSLCnano platform, namely the addition of a second nano-flow high-pressure gradient pump and 1/32” nano post column switching valve plus the associated additional fluidics, columns and column switching valve, all of which are commercially available, a tandem nanoLC stack can be created which enables up to twice the throughput capacity compared to a single LC-MS system.

AU72829: HPAE-PAD Analysis of N-linked Glycans: Improving Glycan Resolution

Instrument Type: IC

This application update demonstrates improved resolution of sialylated N-glycans on Thermo Scientific™ Dionex™ CarboPac™ PA200 columns. Starting with a recently described method, changes to elution conditions were tested to improve resolution of sialylated N-glycans enzymatically released from four different glycoproteins. Separations were first evaluated on the analytical format (3 × 250 mm column). Next, the possibility that a shorter column, such as a guard column, would allow significantly improved throughput was evaluated. Finally, a narrow bore format 1 × 250 mm column was tested.

NISTmAb characterization with a high-performance RP chromatography column

Instrument Type: UHPLC

To demonstrate the robustness, reproducibility, carry-over, recovery, accuracy, and precision of quantification of the NIST monoclonal antibody IgG1K (NISTmAb) using the Thermo Scientific™ Vanquish™ Horizon UHPLC integrated biocompatible system and Thermo Scientific™ MAbPac™ RP LC columns