Laboratory Products 61 Drugs of Abuse Screening Benefits from Ready-to-Use Reference Materials
Unilabs AB in Eskilstuna, Sweden, is taking advantage of LGC Standards’ LoGiCal reference materials to perform clinical analyses and screen for drugs of abuse, as chemist Elin Widing (pictured) explained: “Unilabs is a privately owned clinical laboratory that analyses company healthcare and workplace samples, as well as samples from drug abuse centres.
Samples are received from across Sweden and screened either qualitatively or semi-quantitatively using immunological assays, followed by quantitative LC-MSMS or GC-MS analysis for verification. Ready-to-use LoGiCal solutions are ideal for our purposes; it is so much simpler than weighing powders for in-¬house preparation of reference materials.”
“We evaluated LoGiCal solutions of tetrahydrocannabinol (THC), zopiclone and, including deuterium-labelled alpha-hydroxyalprazolam as an internal standard for quantitative mass spectrometry analysis. Analyses were run in parallel with assays that were using our existing reference materials, and the results were comparable. LoGiCal reference materials are very good quality and competitively priced and, since the initial product evaluation, we have also ordered tramadol and its metabolites for our laboratory. In the future, as we purchase more reference materials, we intend to use LoGiCal solutions whenever they are available.”
To learn more about the LoGiCal product range, visit
www.logical-standards.com MORE INFO. 174
New Evaluation Software for Sieve Analysis.
Newly designed Haver CSA 5.0 Software from Haver & Boecker enables simple and precise evaluation of sieve analysis using current Windows operating systems (e.g. Windows XP, Windows Vista, Windows 7.0). The results of measurement, detected by means of different test sieve shakers and scales, are documented for quality assurance purposes and can be introduced into statistics and reports depending on software execution.
A user friendly and self-explanatory user interface is provided for ease of use. The Haver CSA 5.0 BASIC enables the input of sieve sets, materials and customer information. It also enables account, tabular and graphical report of particle sizes. The Haver CSA 5.0 EXPERT provides additional features such as statistical, particle limit and data bank functions.
Data import and data export functions are also available. The report designer enables these results to be shown in an individually designed test report. The overall NETWORK version with LIMS-connection, audit trail and the possibility for automatic data backup and restore leave nothing to be desired for evaluation. A 30-day trial version can be downloaded free of charge from the Haver particle analysis website:
www.haverparticleanalysis.com.
MORE INFO. 175
ADVERTORIAL Original Electromantles® are still the Best
Electrothermal pioneered the UK’s market for heating mantles, producing the first British-made heating mantle way back in 1943. Prior to this era, heating in chemical laboratories was potentially very dangerous, since open flame gas burners and electric glow coils were commonly used to heat oil, sand, molten metal, and water baths. Despite widespread safety concerns, heating baths are still in common usage today. They remain inherently dangerous as the hot fluid they contain is liable to be spilled or spattered should water be accidentally introduced, and a hot bath is very difficult to deal with in an emergency situation. Oil and water baths have the added hazard of having an electrical heat source in close proximity with a hot liquid, and since bath fluids expand upon heating, overflows are another potential pitfall. In addition, should the bath material be heated above its flash point, a fire and/or explosion could occur.
Electrothermal have always put safety at the forefront of their considerations, as shown by the early fire tests that were performed back in 1948 and demonstrated the high fire resistance of their Electromantles even in those days. Today, with almost 70 years of experience in manufacturing heating mantles, Electrothermal can confidently state that their mantles are not only an excellent long-term investment for your laboratory, they are also safe and reliable, being especially ideal for multi-user laboratories in universities and schools.
Health and safety remains a key issue for all laboratories, as fires in chemistry laboratories- even those with the best of scientific pedigrees- are all too common.
Heating sources remain a key fire source, and all laboratories should remain vigilant on fire safety, even those with the highest academic credentials. Electrothermal believes that they provide the best and most reliable heating mantles in the world, with an exemplary safety record of some 70 years to back this up. Why take chances?
MORE INFO. 176 MORE INFO. 177
INTERNATIONAL LABMATE - JANUARY/FEBRUARY 2013
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