Laboratory Products 29 New Download Helps Users Select the Right Dynamic Light Scattering System


Following the recent launch of the top-of-the-range Zetasizer Nano ZSP system, Malvern Instruments has published a new brochure that helps potential purchasers select the right Zetasizer Nano dynamic light scattering system for their specific colloid, nanoparticle or macromolecule application. The new brochure provides an introduction to dynamic light scattering, zeta potential, protein mobility and protein charge, molecular weight measurement and microrheology, as well as full details and technical specifications for Malvern’s complete family of Zetasizer Nano systems.


These range from high end instruments that incorporate non-invasive back scatter (NIBS) optics, to the affordable 90-degree scattering system. The brochure is available to download from the Malvern website: www.malvern.com/nano-brochure.


“Users tell us that Zetasizer Nano instruments are the most user-friendly systems available, and the fact that 94 out of 100 of the world’s leading universities having invested in a system would certainly seem to support that,” said Stephen Ball, Product Marketing Manager for Nanoparticle and Molecular Characterization at Malvern. “The introduction of the Zetasizer Nano ZSP has brought exceptional sensitivity and extended protein measurement capabilities to the range, and is proving especially useful in formulation development for biotechnology and biopharmaceutical applications.”


For full details of all Zetasizer and Zetasizer Nano systems visit http://www.malvern.com/nano-range. MORE INFO. 92


ADVERTORIAL


Blood Gas Systems Set for Everest Return


Huber Kältemaschinenbau Presents 2 New Air-Cooled Unistats


The Xtreme Everest organisation is to use two blood gas analysers from Siemens Healthcare Diagnostics during a return expedition to Mount Everest later this year. The team of intensive care doctors, nurses and scientists conduct experiments at high altitude in order to develop therapies that improve survival rates amongst patients. Experimenting at altitude closely reflects the oxygen levels experienced by patients at intensive care units. The two systems from Siemens travelling to the world’s highest peak are the RAPIDPoint® Gas Analyser and the RAPIDLab®


500 Blood 348EX Blood Gas


System. The Xtreme Everest 2 expedition follows previous research conducted on Everest by the organisation in 2007, which saw the team use the RAPIDLab 348 from Siemens.


The team will conduct studies into nitric oxide and its effect on microcirculation and mitochondria. Volunteers will include identical twins, children, Sherpas and some of the volunteers who took part in 2007. The RAPIDPoint 500 offers ease-of-use to deliver laboratory-quality results at the Point of Care in approximately 60 seconds from a single, whole blood sample. The system’s built-in CO- oximeter will be used by the team to investigate haemoglobin mass levels at high altitude. The RAPIDLab 348EX Blood Gas Analyser features a new colour touchscreen monitor for intuitive ease of use, supported by its predecessor’s tried and tested components for reliability and minimal maintenance requirements.


As part of the preparations, Siemens Healthcare Diagnostics’ manufacturing facility in Sudbury played host to members of the Xtreme Everest 2 team, and demonstrated the production of the RAPIDPoint 500 Blood Gas Analyser and RAPIDLab 348EX Blood Gas System.


During the visit to the Siemens manufacturing facility, the Xtreme Everest team received a detailed explanation and demonstration of how the RAPIDPoint 500 and RAPIDLab 348EX systems are built at the factory. They also received hands-on experience across the production line, which allowed them to gain a greater understanding of the systems, as well as further insight into how the RAPIDPoint 500 and RAPIDLab 348EX can be maintained in the harsh environment of the Himalayas.


MORE INFO. 93


The Huber product range has been further extended with two new models, the Unistats 510 and 610. The new Unistats guarantee high-precision and reproducible results, fastest heating and cooling rates as well as large temperature ranges without changing fluid. The new models cover a temperature range from -60°C to +200°C (Unistat 610) and from -50°C to +250°C (Unistat 510) and offer heating capacities of 6 kW and cooling capacities up to 7 kW.


Both models are equipped with the innovative multitouch controller Pilot ONE. Operation is via a colour 5.7“ TFT- touchscreen display with convenient menu prompts. All important parameters such as process temperature, jacket temperature, pump pressure and safety equipment are visible at a glance - the temperature processes are graphically displayed and shown in real time. The Pilot ONE is equipped with USB as well as network connections and multilingual with 11 languages as standard.


In order to achieve optimum heat transfer, all Unistats are equipped with cutting-edge pump technology and ensure optimum circulation with increased flow rates. The circulation pumps have infinite regulation and protect glass reactors from breakage with soft start technology.


The Unistat technology wins in terms of cost-effectiveness with minimal operating costs and efficient energy management. Another plus is the considerably increased service life of the thermofluid: For hydraulically sealed systems, the fluid is thermally sealed from the atmosphere. This prevents formation of oil vapours and oxidation.


Many thermoregulation applications make unsupervised continuous operation necessary. Unistats are perfectly suited to this purpose. The units include extensive safety equipment. All relevant operating parameters are continuously monitored. If necessary, warnings are issued, the system is shut off or emergency processes are activated.


The Unistat product range includes over 80 models with working temperatures from -120°C to +425°C with cooling capacities up to 130 kW. The product range offers solutions for applications in process technology, for research tasks, material testing, temperature simulations and test rigs.


More information is available at www.huber-online.com or in the current catalogue 2013/2014.


MORE INFO. 94 MORE INFO. 95


INTERNATIONAL LABMATE - MARCH 2013


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