29 Pumps , Valves & Liquid Handling
Ultra-Miniature Solenoid Valve Saves Space and Uses Less Energy
A new ultra-miniature, HDI (high density interface) 2-port latching solenoid valve which is ideal for OEM applications that demand ultra-low energy consuming components that generate minimal heat and are as compact as possible, is now available from Lee Products. The trend for engineers and machine builders requiring innovative, energy-efficient components for compact and or portable battery powered instruments is growing so these magnetically latched solenoid valves are an ideal solution.
The valves weigh less than 2.5 grams, measure just 27mm L x 7.1mm D which results in smaller manifolds. For example, the HDI 2-port, NC SOV offers a 0.300” (7.62mm) centre-to-centre spacing and so reduces the
area needed for a given number of valves, which means less space and valuable cost savings. The close spacing also reduces the length of the connection passages from valve-to-valve inside the manifold which is particularly important when fast system response time is critical.
Available as a plug-in or face mount option the valves have a low internal volume of 28µL for the plug-in and 34µL for the face mount which results in a reduced carryover and so allows for faster purging and throughput. They have an operating pressure range of inlet: Vac – 45 psig, a differential of 10 psid (max) and a leakage of less than 50 SµL/min @ 10 psid, Air 70ºF (21ºC).
They have an operating temperature range of 40ºF to 120ºF (4ºC to 49ºC) and require only momentary (10 to 30 ms) pulses of current to switch to and remain in each state with the polarity of voltage on each terminal pins controlling the switched position.
Other benefits are long-life expectancy (up to 250 million cycles on air depending on the seal material and application parameters), repeatability, high flow capabilities in a small package (450 Lohms) and exceptional sealing performance (max leakage of 50µL/min @ 10 psid on air) which equates to both weight and size savings.
35894pr@reply-direct.com Adjustable Tip Spacing Pipette Improves Productivity and Reproducibility
Integra reports on a new technical note produced by Analytik Jena that compares the performance of the Integra VOYAGER adjustable tip spacing multichannel pipette with a manual single channel pipette for performing real-time PCR experiments.
As reaction components for real-time PCR experiments come in a range of different labware formats, scientists traditionally have used single channel pipettes to prepare the reaction mixes. Unfortunately preparing and transferring samples one by one is not only error prone but also very time consuming.
In this technical note the authors compare the results from using an 8-channel VOYAGER pipette and a conventional single channel pipette to prepare eight samples of extracted human gDNA in twelve replicates for real-time PCR. Real-Time amplifi cation of the SRY-gene was performed by using innuMIX qPCR MasterMix SyGreen and qTOWER3 system.
In undertaking these experiments, Analytik Jena researchers found that the unique electronically adjustable tip facility on the VOYAGER not only generated time savings of up to 80% from minimising the number of required manual handling steps but also improved pipetting reproducibility and reduced pipetting errors.
ad_labmate_viaflo96_384_0116_180x125 08.12.2015 08:45 Seite 1
Fast Liquid Transfer Down to Picolitre Levels
Tecan has introduced the D300e Digital Dispenser for applications that need faster, reliable dispensing down to picolitre volumes. This innovative, simple-to-use device is ideal for the creation of assay plates, and can cut set-up times from hours or days to just minutes. Users can choose between dispensing aqueous solutions in combination with a
surfactant – for the investigation of proteins, antibodies, enzymes and nucleic acids
– and DMSO, for small molecule studies, offering greater flexibility for life sciences workflows.
The system’s sophisticated yet simple software guides you through every operation, minimising training times and problem-solving call-outs, and providing straightforward set-up of enzyme profiles, dose-response curves and synergy studies. Even the most complex experimental plate layouts – such as drug-drug interaction studies – can be quickly and easily generated, with optional randomisation to reduce the impact of edge effects and increase data integrity. The D300e is compatible with a wide range of microplate formats from 12 to 1,536 wells, including deep-well plates and, for maximum flexibility, can even accommodate SBS-format tube racks.
35312pr@reply-direct.com ADVERTORIAL
Well plate pipetting made simple
Plate filling with repeat dispense
Integra VOYAGER pipettes feature motorised tip spacing, enabling parallel transfer of multiple samples between labware of different sizes. Tip spacing can be changed by the simple push of a button, no manual adjustments or two handed operations are needed. This not only boosts your pipetting productivity, but also reduces the risk of developing a repetitive strain injury (RSI). The VOYAGER variable tip spacing pipettes are available in 4, 6, 8 and 12 channel versions and expand anywhere from 4.5 mm to 32.5 mm. This provides access to a wide range of labware formats such as microplates, tube racks or gel boxes. This makes the VOYAGER pipette an ideal companion for a wide variety of Genomic, Proteomic and Cell Culture applications.
For a copy of this customer technical note please visit
http://www.integra-biosciences.com/sites/pdf/liquid_ handling/TN_0205_0020_en_151009.pdf.
37142@reply-direct.com 5376ad@reply-direct.com
Plate duplication and reformatting
Interchangeable pipetting heads
VIAFLO 96 I 384 Electronic hand held pipette 96 and 384 channel pipetting as easy as manual single channel pipetting.
Increased productivity due to a full range of pipetting modes including repeat dispense, serial dilute and customized programs.
Interchangeable pipetting heads allow precise pipetting between 0.5 and 1250 µl.
www.integra-biosciences.com
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