Part No: P147Issued year: 2016File size: 0.27mbFile type: pdf
For as long as column chromatography has been practiced by
organic and medicinal chemists there has been a concern that too
much methanol in the solvent system will dissolve the column’s
silica. This concern has come about because chemists often find a
solid white precipitate in collected fractions after purification. This
phenomenon is usually noticed when dichloromethane and
methanol are used as the mobile phase solvents.
In this poster we will show the results of a study that evaluated the
degree of dissolution for both granular and spherical silica in
methanol and dichloromethane.
Part No: P189 rev 1Issued year: 2018File size: 1.05mbFile type: pdf
This poster describes an improved workflow for the analysis of
drugs of abuse from hair. Implementation of bead homogenization along with automated sample preparation allowed for simplified methodology. The direct solvent extraction approach avoids the need for pre-concentration while maintaining desired LOQs with either 200 or
400 μL of hair extract.
Part No: P194.V.2Issued year: 2020File size: 1.09mbFile type: pdf
Hair analysis is growing in popularity due to the non-invasive nature of the sample collection. Although not used as routinely as other matrices such as blood or urine it does have advantages in that the matrix can indicate prolonged drug exposure. NCFM 2020, Reykjavik, Iceland
Part No: P194Issued year: 2019File size: 1.08mbFile type: pdf
Sample preparation for hair analysis is often lengthy involving multiple manual labor steps from cutting, washing, homogenization/pulverization, digestion, sample extraction and analysis. This poster aims to demonstrate a streamlined sample
preparation workflow for hair analysis.
The workflow is evaluated using a suite of drugs of abuse, including THC and metabolites.
MSACL NA 2019
Part No: P045Issued year: 2012File size: 0.32mbFile type: pdf
This poster will demonstrate SPE sample preparation strategies for the simultaneous extraction of both ethyl glucuronide and ethyl sulphate from urine, allowing cleaner extraction protocols compared to traditional dilute and shoot approaches.
EtG, EtS, Urine, Poster, SOFT, Forensic, UPLC, LC-MS/MS, EVOLUTE, AX, WAX
Part No: P227Issued year: 2020File size: 7.73mbFile type: pdf
nvestigate different water wettable polymeric solid phase extraction sorbents for different analytes based analyte functional groups, pKa, and hydrophobicity, and reduce extraction time and increase throughput by eliminating SPE conditioning and equilibration steps.
Part No: P127Issued year: 2015File size: 0.17mbFile type: pdf
EVOLUTE® EXPRESS SPE columns and plates combine sorbent wettability with optimized SPE components, allowing better flow consistency and in many cases eliminating the need for SPE column conditioning; thus simplifying and reducing extraction processing. This poster compares the performance of various EVOLUTE EXPRESS column chemistries using 10-500 mg bed weights, in order to investigate whether sorbent conditioning and equilibration steps are truly required.
Part No: P064Issued year: 2014File size: 0.47mbFile type: pdf
This poster presents a simple method for the extraction and subsequent detection of both the traditional hydroxy metabolites and the biologically active dihydroxy metabolites in serum. High analyte recoveries and low ion suppression were demonstrated, allowing limits of quantitation at low pg/mL levels for the di-OH metabolites and < 1 ng/mL levels for the OH metabolites.
Part No: P156Issued year: 2017File size: 0.23mbFile type: pdf
Most drugs are excreted in urine as glucuronide conjugates. Hydrolysis using a beta-glucuronidase enzyme to convert the metabolites to their “free” form for analysis increases sensitivity. Red abalone (Kura Biotech), abalone (Campbell Scientific), and recombinant (IMCSzyme) beta-glucuronidase enzymes were evaluated to determine which provided the most complete hydrolysis of glucuronide metabolites without effecting the overall recovery of non-conjugated compounds.
EVOLUTE EXPRESS CX 96-well plates were used to extract hydrolysed urine samples, and the impact of th enzymes was compared.
MSACL 2017, Palm Springs
SOFT 2017, Boca Raton
Part No: TN-31.0712Issued year: 2012File size: 0.93mbFile type: pdf
EXPRESS represents a leap forward in high
throughput solid phase extraction. The EVOLUTE
EXPRESS range of 96-well SPE plates combines
powerful EVOLUTE sorbent chemistry with innovative
features that enhance productivity by optimizing
or even eliminating the need for some traditional
steps in the SPE procedure. By truly eliminating the
need for conditioning and equilibration, samples
can be prepared by loading the plate, washing away
interferences and eluting with compatible solvents
EVOLUTE® EXPRESS Solid Phase Extraction products
from Biotage are designed for all your sample
preparation challenges. Whether you are working in the field of bio-analysis during drug development, clinical or forensic
toxicology, or with the diversity of samples in food
safety and environmental applications, the tools and
methods used for sample preparation have a clear
impact on productivity. This user guide contains information about choosing the correct EVOLUTE EXPRESS product for your application and optimizing your methodology for best results.
Part No: P200Issued year: 2019File size: 2.44mbFile type: pdf
Sample preparation is generally regarded as a pain point for many labs as it can be laborious, time consuming and relatively expensive. In a high throughput setting performing offline chemistry also leads to increases in sample turnaround time and reporting.
This poster evaluates simplified sample preparation workflows using optimized sample hold-up technology allowing chemistry in-situ. Reduced labour, extraction complexity, processing time, solvent usage and resultant instrument contamination and downtime can offset upfront costs associated with sample preparation.
Part No: TN-0012.0610Issued year: 2010File size: 0.38mbFile type: pdf
Through innovative patented technology molecularly
imprinted polymers (MIPs) can afford improved clean-up in
your processes. Unwanted contaminants or high value
desirables can be efficiently extracted from processes
streams, resulting in more efficient production and cleaner
Part No: AN717Issued year: 2010File size: 0.48mbFile type: pdf
Pharmaceutical companies and those who supply them with intermediates, constantly strive to produce API’s and
intermediates of the highest purity. At the same time, many established production facilities face strong competitive
pressures to produce high quality product at lower costs. Drug substance impurities are wide-ranging as described in the
International Conference on Harmonization (ICH) “Impurities in new Drug Substances”1. Of particular concern in recent
years are the ‘genotoxic compounds.