Laboratory Products 45 Next-Generation Hotplate-Stirrer with Innovative IR Heating Technology
Innovative infrared heating technology from Wiggens has been used to produce the new generation hotplate-stirrer WH260 series. These laboratory stirrers are extremely well suited for gentle to intensive mixing of liquids, whilst concurrently quickly heating the liquids or simply keeping them at a steady temperature. The maximum temperature on the top plate allows up to 500ºC.
Infrared heating (IR) technology provides a high temperature hot plate stirrer with very high heating density that can reach a high median temperature. Ceramic glass by Schott combines chemical resistance, top quality surfaces and resistance to temperature shocks of greater than 700ºC.
By selecting an external temperature sensor, the control mode will switch automatically, allowing the sample temperature to be set and controlled directly. The sealed outer shell and isolated critical parts are designed for enhanced longevity, even in a harsh laboratory environment. The 3 sets of PID parameters means faster heating effect and better temperature stability are achieved.
A large LCD display is used to show and control all functions. The control panel sets working temperature, stirring speed, working time and safety temperature easily via rotating knobs. The memory function for stirring speeds and temperature settings provides convenience for experiments with fixed conditions.
Two models are available in this series: the WH260-H with square top plate, 180×180mm, 1000W, for general applications; the WH260-R with round top plate, φ135mm, 800W, for parallel applications.
More information online:
ilmt.co/PL/E09q 51220pr@reply-direct.com
New Refrigerated Centrifuge Introduced
In October 2020, Eppendorf introduces the refrigerated 24-place centrifuge 5425 R, the successor of its popular centrifuge 5424 R. The new device comes with a bundle of improvements, making applications in the field of molecular and cell biology easier than ever:
The superior cooling system not only protects temperature-sensitive samples of any kind even at full speed, it is also ready to start immediately with a cool down time of only 8 minutes (21° C to 4°C). A variety of 6 different rotors now covers even more applications, including molecular biology applications such as DNA/RNA or protein separations in 1.5 or 2.0 mL vessels or spin columns, harvesting of bacteria, yeast, and cell cultures in 5 mL tubes, as well as micro-volume protocols, such as pre/post PCR and qPCR set ups in 0.2 ml tubes, strips, or divisible 96-well plates.
An additional highlight is the extremely comfortable operation of the centrifuge 5425 R itself - the rotor lids with Eppendorf QuickLock® quick and easy handling, as well as the soft-touch lid which can be closed with just one finger. The OptiBowl®
microcentrifuges, ensures a quiet operation - even when spinning without the rotor lid. More information online:
ilmt.co/PL/JKae
53251pr@reply-direct.com ADVERTORIAL Adjustable Tip Spacing Pipette Provides Accelerated Sample Transfers
Researchers in the Department of Biomedicine at the University of Basel are using Integra’s VOYAGER adjustable tip spacing electronic pipette to increase the efficiency of their workflows and reduce pipetting errors. Korcan Ayata is a member of the gastroenterology group, led by Professor Dr Jan Niess, which focuses on researching mucosal immunology and gastroenterology. The group is interested in the role of immune cells in inflammatory conditions, studying how monocytes enter the tissue and differentiate into macrophages to have pro- or anti-inflammatory effects during the disease course.
The group’s normal workflow involves extracting RNA from samples and converting it to cDNA, before conducting qPCR, or running ELISAs for serum samples. Korcan explained: “Our work involves transferring lots of samples between different well formats and, previously, we were conducting this work with single channel pipettes, which was a laborious and error-prone process. We mainly use the VOYAGER in qPCR setup to transfer samples from 1.5 ml tubes to eight tube strips, and then to 384 well qPCR plates. The repeat dispensing function is really beneficial too, allowing us to distribute different qPCR master mix solutions from 1.5 ml tubes to 384 well plates. We’re also using the VOYAGER in cell culture and ELISA applications, for the addition of reagents from 1.5 and 2 ml tubes to 24, 48 and 96 well plates, plus the transfer of samples between different plate formats. The VOYAGER saves us a huge amount of time compared to using manual pipettes, and our throughput has significantly increased since using it - it really helps to accelerate our research.”
seals ensure design, which is unique to Eppendorf
More information online:
ilmt.co/PL/9Vgv 53201pr@reply-direct.com
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