46 CO2 The CO2
Incubator for Every Cell Culture Application incubator, developed and produced by
Wiggens, is ideal for the cultivation of animal cells, sperm/ovum, anaerobic cells, all sorts of microbe cells, hatching/germinating and special tissues.
This high quality CO2 incubator offers fast heat up,
fast-recovery and stable control. The electric heating wire is covered on all sides of the chamber allowing warm air from this wire to be stored within the space between the chamber and insulation. All of this design makes for stable uniformity and provides fast heat-up and temperature recovery. Additionally, dry wall with insulation does not require regular maintenance. The heater on bottom warms the water in the tray and creates humidification. A circulation fan delivers the moisture formed from the water to the entire chamber. The front door heater and frame heater prevents condensation in the chamber and on the glass door (for lower gas consumption and lower heat loss, an optional glass door in 5 or 6 regions is available).
The integrated DUAL BEAM IR CO2 temperature and humidity. A CO2
sensor provides fast and precise detection for CO2 buzzer to warn users of low or high CO2 gas regardless of
regulator and analyser is also available. The alarm system sounds a deviation and temperature.
Two different sterilisation units are available: A 4W UV lamp installed the side of the top fan is standard, and a dry heat sterilisation unit is optional.
The stainless steel shelves are optimised for natural airflow and are resistant against rust and contamination. Heating is automatically cut by safety device when the temperature control fails or there is excessive heating over the set point. Entire chamber is made of stainless steel with rounded corners to allow easy cleaning.
Incubator volumes range from 40L to 850L and are perfect for laboratory work. Wiggens also provides a mini CO2
incubator, the WCI-15R, which is economically priced and features a compact design for personal use, with a carrying handle for portability (car plug available).
More information online:
ilmt.co/PL/G0qq 51217pr@reply-direct.com
Parallel Reactor Improves Development of Novel Hydrogenation Catalysts The Chianese Organometallic
Chemistry group at Colgate University are using a custom designed Multicell Parallel High-Pressure Reactor from Asynt to conduct reproducible hydrogenation experiments in parallel, to rapidly determine the kinetic properties of their novel catalysts.
The research activities of the Chianese group focuses on the development of new transition metal complexes for catalysing the hydrogenation of polar compounds. To accelerate this process the group wanted a high-pressure reactor capable of conducting many hydrogenation reactions at once, with rigorous control of the initial concentrations and reaction temperature. They also needed the ability to take and analyse reaction aliquots over the time course of the reaction, which could then be used to for kinetic profiling.
Associate Professor Anthony Chianese, head of the group, commented: “By working with the technical team at Asynt we were able to specify a custom version of their Multicell parallel high-pressure reactor that exactly fitted our needs. Before we had the Multicell we were running several test tube reactions within a single batch reactor, meaning that we could only conduct analysis at the end and would often experience contamination between samples. The Multicell now allows us to run many reactions in parallel with no detectable crossover between the headspace of different cells. Importantly, because we can now analyse aliquots while the reactions are running, it is possible to rapidly determine reaction rates for any given catalytic hydrogenation. Often our organometallic catalysts are highly air sensitive, so it is great to be able to assemble our Multicell reactor inside a glovebox then bring it out to run the reactions. We also really like the fact that the whole unit is user-serviceable with all of the parts, aside from the cells themselves, easily replaceable if there is an issue.”
When asked if he would recommend the system to other researchers, Professor Chianese responded: “Yes. I think most researchers only analyse hydrogenation reactions at the endpoint because they don’t have a way to take aliquots. With the Asynt Multicell you can study hydrogenation reactions much more quickly, efficiently and in more detail than was previously possible.”
Connecting Global Competence
The Multicell high pressure reactor is designed for undertaking experiments including carbonylation, hydrogenation, catalysis and supercritical fluid reactions, as well as air sensitive material studies. Used in conjunction with a hotplate stirrer the standard 316 stainless steel Multicell reactor offers users the ability to undertake 10 x 30 mL reactions in parallel at pressures of up to 50 bar and temperatures up to 200°C. To increase the versatility of this high-performance system, Asynt can work with the end user on specific customisation to enhance the capabilities of the Multicell towards certain applications. Options include the ability to make additions/take samples under pressure, increased operating conditions up to 350°C and 200 bar, a 4-position system offering reaction volumes of up to 150 mL, sub-ambient reactor cooling, and the ability to have different temperatures and pressures in each reactor cell.
F3 U2 NE3 GL 03
TU RE4 TW O4 B2
AL2
More information online:
ilmt.co/PL/Q0pX and
ilmt.co/PL/kGQD 52358pr@reply-direct.com
RK
Compact Ball Valve Suitable for Heavy-duty Applications
As a first shut-off valve or for connecting pressure measuring instruments, the new ball valve, model BV, is suitable for a variety of applications. It is available in process and instrument versions.
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The instrumentation valve is compact and can therefore also be integrated in space- restricted environments, such as a control panel. Thanks to its robustness, the model BV is suitable for heavy-duty applications and processes with critical media. Its pressurised parts correspond to the safety factor 4:1, its leak tightness has been tested in accordance with BS 6755/ISO 5208, leakage rate A. An antistatic design, a blow-out-proof valve spindle and self-relieving valve seats ensure the safe operation of the ball valve. The high-quality processing of the inner parts also enables constant precise and smooth operation.
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For the model BV, Wika offers an application-specific assembly with a measuring instrument. This instrument hook-up is delivered ready-to-install and leak tested.
More information online:
ilmt.co/PL/DKJm 52739pr@reply-direct.com
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