Norlab

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Extraction of methylmalonic acid from serum using ISOLUTE PLD+ prior to LC-MS/MS analysis
This application note describes a simple, effective ISOLUTE PLD+ protocol for the extraction of methylmalonic acid (MMA) from serum, demonstrating high, reproducible analyte recoveries with low protein and phospholipid content in the extracts.

Extraction of methylmalonic acid from serum using ISOLUTE SLE+ prior to LC-MS/MS analysis
This application note describes the extraction of methylmalonic acid from serum, prior to LC-MS/MS analysis.

Ultra-sensitive method for the determination of 1,25 di-OH D2 and D3 vitamins in serum using supported liquid extraction prior to LC-MS/MS
This application note describes a protocol for the extraction of 1,25 di-OH vitamin D2 and 1,25 di-OH vitamin D3 metabolites from serum using supported liquid extraction prior to LC-MS/MS detection.

Extraction of methylmalonic acid from serum using ISOLUTE PPT+ protein precipitation plates prior to LC-MS/MS analysis
This application note describes a simple ISOLUTE PPT+ protocol for the extraction of methylmalonic acid (MMA) from serum, demonstrating high, reproducible analyte recoveries with low protein content in the extracts.

Extraction of phosphatidylethanol (PEth) species from whole blood using ISOLUTE SLE+ prior to HPLC-MS/MS analysis
This application note describes the extraction of 3 common species of PEth from whole blood using ISOLUTE SLE+ supported liquid extraction prior to HPLC-MS/MS analysis.

Automated fractionation of Extractable Petroleum Hydrocarbons (EPH) in soil using ISOLUTE EPH SPE columns on Biotage Extrahera
This application note describes the operating conditions for the automated fractionation of EPH into aliphatic and PAH fractions using the ISOLUTE EPH column in conjunction with the Biotage® ExtraheraTM automation system.

Temperature control and CD/fluorescence spectrum of lysozyme using temperature/wavelength scan measurement program
In this application note, Jasco describes the temperature controlled simultaneous measurement at 222 nm of both CD and fluorescence signals for a lysozyme sample using the J-1500 CD spectrophotometer.

CD spectrum and CD chromatogram measurement of warfarin using J-1500
In this report, a CD measurement of warfarin was carried out using the J-1500 in a static mode as well as coupled to an HPLC system for on-line CD detection of the HPLC eluent.

Gas purification products
This brochure introduces VICI gas specific purifiers and contaminant traps.

Calibration gas standards
VICI introduces their calibration gas standards permeation devices and calibration gas generators.

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