Pumps, Valves & Liquid Handing
Streamlining Cell Culture Assays for Cancer Research
Researchers at Tübingen University Hospital are using PIPETBOY acu 2 pipette controllers and the VACUSIP portable aspiration system from Integra Biosciences to help them identify new tumour cell targets. Collaborating closely with doctors on the ward, researchers aim to develop new treatment options for previously untreatable cancers, making them available to patients as quickly as possible.
Dr Omelyan Trompak, postdoctoral researcher in the Internal Medicine VIII department, commented: “We perform cell cultures and biochemical assays around the clock, working with up to 50 human and animal cell lines every day. The PIPETBOY acu 2 pipette controller is therefore one of the main tools we use in the lab. They’re very ergonomic and the built-in motor allows us to pipette extremely quickly. The batteries also charge really fast, which is important for our high throughput lab, as we can’t afford to waste time waiting for the controllers to charge.”
The team also uses the compact VACUSIP aspiration system for the removal of small volumes of waste liquids when carrying out assays. Its silicone hand operator allows the user to carefully regulate the liquid flow by applying varying finger pressure, something which is crucial for the delicate tasks involved in Omelyan’s research. “We regularly run invasion assays as part of our research, and the challenge for us is to extract very small volumes of excess liquid from the wells without damaging the thin barrier membrane. The VACUSIP allows us to do this efficiently and significantly speeds up our workflow.”
Omelyan concluded: “The lab has been using Integra products for many years, and we’re totally satisfied with them. Together, the PIPETBOY acu 2 and VACUSIP have enabled us to increase our lab productivity and throughput, helping to advance our vital research into cancer treatments.”
More information online:
ilmt.co/PL/PxvO 59080pr@reply-direct.com
New Switching Delivery Pump
FLOM, part of GL Sciences, has developed a new Switching Delivery Pump, the DP-11. This pump combines the best features of the FLOM pumps with the FLOM valves. Not only is it possible to disperse solvent from a single line over 5 different lines, it is also possible to collect solvent from the five different lines and extrude it through a single line. Using the proven linear drive results in improved flow stability and lower maintenance frequency. The pump is made from either ceramic or PCTFE wetted material to be able to cope with a wide range of chemicals.
The DP-11 features everything combined in the well-known compact FLOM design: does not use check valves; allows users to set your flows on multiple different paths; available in Ceramic or PCTFE wetted parts edition; high flow accuracy (+/- 1.0%) and repeatability (+/- 0.1% RSD); uses proven linear drive technology; superior reliability.
To see how the pump works please visit the website or watch the video. More information online:
ilmt.co/PL/M2dD and
ilmt.co/PL/AwYO
58424pr@reply-direct.com
Repeater Pipette Simplifi es Serial Dispensing Tasks
The crystal blue repeater pipette Stepper™ 416 from Socorex is a compact and reliable instrument intended for serial dispensing from 10 to 5000 µL. Its unique four-finger activation eliminates thumb fatigue, enabling smooth monitoring of each step, whatever the pipetting speed.
Stepper™ offers a great flexibility in use, fitting well in many laboratories performing repeat dispensing tasks such as screening procedures, dividing samples in small portions, or dispensing reagents in vials. And the very fine syringe tip end facilitates distribution in narrow tubes.
Associated with only three Ecostep™ positive displacement syringes, it provides a broad choice of 53 different volumes, and up to 73 aliquots per filling. Ecostep™ syringes are made of PP and PE materials providing for excellent chemical resistance. The syringes are available in regular, non-sterile version, as well as in a sterile, high purity bioproof™ grade version.
There are three interchangeable setting knobs, bearing volumes and corresponding number of aliquots. Volume selection is easy and quick, with a clear reading of the adjustment chosen. The colour codes on both syringes and setting knobs eliminate any risk of wrong use. A graduation on the syringe helps monitoring liquid content. If remaining liquid in the syringe is smaller than the selected aliquot volume, the built-in self-locking mechanism stops distribution to prevent false delivery. Stepper™ contains neither battery nor electronic compound and offers a very long life span.
View product details on the Socorex website or contact your closest distributor. More information online:
ilmt.co/PL/L2rw and
ilmt.co/PL/O2xm
Chemical Resistant Diaphragm Pumps
The C Series chemical resistant diaphragm pumps from Wiggens are an excellent solution for continuous, oil-free pumping of corrosive gases and vapours and meet demanding applications. The multi-stage construction provides an advantageous combination of high pumping speed and ultimate low vacuum. All major parts in contact with pumped media are made of PTFE which are ideal for extremely aggressive/corrosive gases and vapours. The sealing system provides reduced leakage rates for improved ultimate vacuum (1mbar).
Wiggens continues to extend the line of diaphragm pumps and apply new technologies to this series. More powerful motor drive multi-stage pump heads, which are an excellent choice for applications with corrosive gases and vapours with high vacuum requirements. Typical applications are pilot reactors, industrial rotary evaporators, semiconductor industry, drying ovens and many other laboratory applications. The maximus pumping speed can be up to 145L/min.
Thanks to the frequency conversion motor, the powerful pump could reach a high vacuum in a short time with good stability, which is ideal for larger laboratory applications. Meanwhile, the frequency conversion vacuum pump can reduce the noise in the laboratory and extend the service life. Please contact Wiggens to learn more about vacuum in the experiment. More information online:
ilmt.co/PL/vP1R
57812pr@reply-direct.com
58250pr@reply-direct.com
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