56 Why Infrared Radiation Heating?
Infrared radiation heating refers to the spectrum between 0.7um-100um of light waves, emission and transmission accompanied by obvious, directional energy transmission. The energy transmission does not need any media, even in vacuum space. The infrared heating uses an electromagnetic wave with a wavelength of 2.5 to 15 um. This speed is much higher than the rate of conduction and convection. Thanks to this radiation heating technology, Wiggens hotplate and stirrer can be used for speedy heating up for various shaped vessels including round-bottom fl asks, and the solution inside can be heated up to a maximum temperature of 450°C in a very short time.
The hotplate and stirrer, with its advanced infrared radiation technology, is characterised by direct, clean and safe heating compared to oil heating.
The high infrared permeability ensures that the heating energy is transferred quickly and with very limited loss, i.e. it heats liquids fast and thus saves time and energy. PID control or advanced ICC technology enable good temperature stability. If the Pt-100 sensor is connected, temperature-controlled work with stability of ± 2°C can be reached in most applications.
More information online:
ilmt.co/PL/AyBq 57811pr@reply-direct.com
Multifunctional Knife Mill for Reproducible Results
The new Fritsch PULVERISETTE 11 is the ideal Knife Mill for very fast and gentle comminution and homogenisation of moist, oily and fatty as well as of dry, soft, medium-hard and fi brous samples. This makes it a perfect all-rounder with many advantages for sample preparation in the fi elds of foodstuffs or animal feed testing; pharmaceuticals and chemistry and many other applications.
Safety is ensured by the fastening of the knife with a bayonet lock which cannot come loose even if the sample material is very hard or the start-up speed is too high. The grinding vessel, lid and knife of the PULVERISETTE 11 can be cleaned easily in the dishwasher and are autoclavable for sterile comminution.
The motor speed can be set digitally - in increments of a hundred between 2,000 and 10,000 rpm - making it possible to adapt the mill to the specifi c comminution behaviour of each sample. The additional turbo function with 14,000 rpm for up to 6 seconds facilitates the grinding of sticky and fi brous samples.
The freely adjustable Vario-Lid system made of plastic PP fulfi ls two important requirements at the same time. It can be used to reduce the grinding chamber volume down to 0.54 litres and to manually compress and loosen up the sample material at the beginning and at any time during comminution.
With the PULVERISETTE 11 you have the possibility to program and save up to 20 Standard Operating Procedures (SOPs) and to label them with a clear text. In each SOP you can save up to 15 grinding sequences, easily done via the touchscreen and the multifunctional dial of the control panel.
With the software P-11Control, the mill can be controlled via the integrated USB port. SOPs can be edited, saved and managed directly on the connected laptop via drag & drop. Reversion-proof grinding reports can be created, archived quickly and easily with the integrated report generator.
Samples which are diffi cult to grind such as gummi bears, chocolate or plastic toys can be embrittled with liquid nitrogen for comminution directly in the grinding vessel made of stainless steel 316L. More information online:
ilmt.co/PL/YgZE
57088pr@reply-direct.com
Universal UV-Visible Detector for Continuous Flow Applications
The Flow-UV™ from Uniqsis is a universal in-line UV-Visible detector that sets a new standard for real time monitoring of continuous fl ow applications. The compact, high-resolution Flow-UV™ CCD array detector does not require calibration or routine servicing. In contrast to conventional Deuterium UV lamps, the Xenon fl ash lamp source used in the Flow-UV™ has a lifetime of up to 10 years. Flow-UV™ is extremely easy-to-use. Having set up and saved a method using the Flow-UV™ control software, pressing a single button is all that is required to start acquisition.
To assure linearity of response, Flow-UV™ allows you to select up to 5 wavelengths over which to monitor a reaction thereby ensuring detector saturation is avoided. Absorbance is plotted against time using the system control software. The control software may be confi gured to automatically record a background spectrum at the beginning of each experiment.
Fibre optic waveguides connect a choice of Flow-UV™ high pressure fl ow cells to the source and detector thereby permitting the fl ow cell to be positioned virtually anywhere in the fl ow path. The fl ow cell uses a short length of PFA reactor tubing and is therefore not restricted to being located after the outlet back pressure regulator in the low-pressure region of the fl ow path where outgassing could be problematic.
More information online:
ilmt.co/PL/0zp0 57642pr@reply-direct.com
Specialist Assay Kits and Microplates for Cancer Research
Porvair Sciences is a leading supplier of specialist assay kits and high-performance microplates for cancer and life science research. Exhibited at the recent American Association for Cancer Research (AACR) meeting - considerable interest was shown in Porvair’s growing range of Chromatrap®
and proliferation respectively. Chromatrap®
samples. Employing Chromatrap® ChIP kits for epigenetics research plus a new range of assay and cell culture microplates for high throughput screening and cell growth
kits are well known for their easy, fast, and sensitive approach to immunocapture of antibody-chromatin complexes from a wide range of bead-free Chromatin Immunoprecipitation (ChIP) technology, collaborators on the CEAT project are developing new
profi ling approaches to identify and characterise epigenetic drugs that are effective in preventing cancer development in ovarian cancer models. More information online:
ilmt.co/PL/Oynz and
ilmt.co/PL/Lyn5
57686pr@reply-direct.com
Send your Press Releases to:
pr@intlabmate.com
INTERNATIONAL LABMATE - JULY 2022
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