Sample Preparation & Processing


Automated Sample Clean-up Solutions at analytica 2018


LCTech presents its innovative solutions for the automated sample clean-up of food, feed, environmental and biological samples at analytica 2018 in hall A2, stand 400.


For PCB and dioxin analysis, LCTech presents a special highlight and innovation: DEXTech 16 is the first, fully automated sample preparation system on the market that cleans-up 16 samples within one sequence unattended and around the clock. The system has been developed based on the experience gained during many years with the DEXTech product range.


Part of this product family is also the second innovation, DEXTech Pure, focussing on the utilisation in the environmental sector. The system separates PCBs and dioxins in one fraction each that afterwards can be measured in one GC-MS run each. A speedy method saves time, solvents, and costs, if the user is only analysing PCBs.


Cleaning-up food and feed samples for mycotoxin and pesticide analysis, LCTech focusses on a high sample throughput and a high degree of automation by directly connecting the sample preparation to the users HPLC system.


For the first time, LCTech will present an automated, modified QuEChERS methode for difficult dry matrices. This nondispersive procedure stands out due to its fastness, simplicity, and competitive pricing.


Another solution for a complete automation for the mycotoxin analysis provides LCTech with the FREESTYLE ThermELUTE™ system. Due to miniaturisation and exceptional technology with direct online injection into the HPLC system after the clean-up, the system achieves a high sample throughput of 500 samples per week and an extreme high sensitivity in the lower ppt-range.


For automated solid phase extraction (SPE) of large volume water samples LCTech presents FREESTYLE XANA. This system processes the samples with a usual volume from 1 L to 10 L unattended around the clock even at weekends. Due to simultaneous operation of the process steps and the processing of 3 samples at the same time, the system achieves a very high throughput of 65 samples within 24 hours. Equipped with the optional evaporation module, FREESTYLE XANA allows automated processing including the filling into autosampler vials or even autosampler vials with insert.


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New In-situ Hydrolysis SPE Plates Announced


Biotage, a leading global supplier of solutions and technology for analytical, medicinal and peptide chemistry, is pleased to announce the launch of EVOLUTE® HYDRO, solid phase extraction plates with an integral Hydrolysis capability that enable chemists to perform sample hydrolysis within the extraction plate; saving time and reducing sample transfer issues.


EVOLUTE® HYDRO Solid Phase Extraction plates gives customers the ability to perform sample (typically urine) hydrolysis within the wells of the extraction plate, followed directly by sample clean up using solid phase extraction, without the need for sample transfer. The Hydro frit technology used by the plates reliably ‘holds up’ both sample and enzyme during incubation at elevated temperatures. This reduces clogging during subsequent clean up steps, leading to robust and streamlined sample preparation. Sample clean-up is performed in the same plate, without the need to transfer samples, saving time and reducing risky sample handling steps.


The plates are packed with high quality 30 µm EVOLUTE® media, with CX (mixed mode strong cation exchange) and ABN (wettable/non-polar) phases available at launch. EVOLUTE® HYDRO can be processed using 96-well compatible positive pressure manifolds (e.g. Biotage® Pressure+ 96), vacuum manifolds (e.g. Biotage® VacMaster™ 96) and automated liquid handling systems (e.g. Biotage® Extrahera™).


“By combining our unique Hydro frit technology with our wettable EVOLUTE® sorbents, the new SPE plates allow the hydrolysed sample to be loaded directly onto the SPE bed for clean-up. The conditioning and equilibration steps are eliminated, saving time and reducing costs.” said Dr Claire Desbrow, Global Product Manager, Analytical Chemistry, Biotage.


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Productive Space Saving Laboratory Evaporator


Genevac reports that its Rocket Synergy centrifugal evaporator is being adopted by laboratories looking to replace multiple rotary evaporators, from benchtop to production capacity, saving them valuable bench space and improving productivity.


Rocket Synergy evaporator controls are very easy to use, simply load your samples, select the correct method, press start and walk away. The evaporator is equipped with high performance features that prevent foaming, bumping and cross contamination. A built-in cold trap provides very high levels of solvent recovery, even with volatile organic solvents. Auto-draining, under the control of the Rocket Synergy, ensures optimal solvent recovery is maintained under all conditions.


Designed to dry or concentrate up to six flasks, each containing a maximum of 450ml of solvent, or 18 ASE® vials, a Rocket Synergy requires no user intervention or attention. The removable flask rotor may also be replaced with a 5-litre stainless steel vessel enabling the same evaporator to batch process large sample volumes quickly and safely.


To learn more about the Rocket Synergy centrifugal evaporator please visit www.evaporatorinfo.com/info14.html. 43904pr@reply-direct.com


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