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Science  24 Aug 2012:
Vol. 337, Issue 6097, pp. 989
DOI: 10.1126/science.337.6097.989-a


The new refrigerated centrifuge 5424 R sets the new lab standard with established ergonomics, outstanding quality, and superior temperature control. The 24 place centrifuge 5424 R can spin up to 21,130 x g and can accurately cool to set temperatures from -10°to 40° The FastTemp function allows for superfast eight-minute precooling to 4° This refrigerated microcentrifuge includes a condensation drain to eliminate water accumulation and to prevent corrosion. Centrifuge 5424 R also has incredible versatility with four different rotor options. Options include the unique Kit rotor, which is designed with an extended rim to support tube caps when using MiniPrep spin column kits.


New 50 mL clear polypropylene (PP) self-standing centrifuge tubes combine ease of use, chemical resistance, and high speed tolerance. The circular collar around the base allows the centrifuge tube to stand up on a bench without further support. A rigid, high-quality screw cap ensures an airtight seal that virtually eliminates all leakage when used under recommended conditions. Each centrifuge tube features black printed graduations clearly marked for ease of use. Affordably priced, these self-standing centrifuge tubes can be spun up to 9,400G and will withstand repeated autoclaving at 121°or long-term storage at -20° For easy identification each centrifuge tube has a large white solvent resistant writing area. Porvair self-standing centrifuge tubes are supplied in packs of 500 with inner bags of 50 either natural or sterile. Production of these self-standing centrifuge tubes is carried out in a Class 10000 / ISO Class VII clean environment to ISO 9001:2008 and EN ISO 13485:2003 manufacturing standards to ensure all products are free from DNA/RNA, DNase/RNase, and Pyrogen contamination.


Designed to be used in conjunction with a simple benchtop magnetic stirrer or stirrer/hotplate the Parallel High Pressure Reactor is a cost effective lightweight unit suitable for stirred or nonstirred applications. Proven in applications including homogeneous and heterogeneous catalysis, hydrogenation, corrosion testing, parallel synthesis, and screening, the Parallel High Pressure Reactor can be purposely configured to optimally suit your application. Manufactured in 316 stainless steel, the standard Parallel High Pressure Reactor offers the user 10 x 30 mL reaction vessels that can be configured to operate up to 300°C and 100 Bar pressure. However, systems can be built to accommodate reaction volumes from 5 mL to 50 L and constructed in a wide range of materials including Hastelloy, Inconel, Titanium, and alloy steels to provide an optimized solution for almost any application. Designed by chemists for chemists each Parallel High Pressure Reactor is extremely easy to set up and has a fail-safe mechanism to protect the operator.


A line of general purpose water baths have been designed to provide exceptional temperature control in a wide variety of clinical and laboratory applications. Equipped with sensitive microprocessor-based PID controllers, these versatile water baths maintain bath temperatures from ambient +5° 100°with ±°ecision and ±°uniformity. They are available with 2 L, 5 L, 10 L, 20 L, or 28 L single chamber reservoirs. In addition to precise temperature control, the water baths also feature a digital temperature readout, one-touch set point recall, and three user-defined temperature preset buttons for the quick selection of frequently used temperature set points. Bath temperature can be displayed in either degrees Celsius or Fahrenheit. For added operational convenience, all models include a steeply gabled tilting cover that accommodates glassware of varying heights and permits easy loading and removal of samples while allowing condensate to drain neatly back into the bath.


TriForest PETG square media bottles are ideal for the storage of media, laboratory reagents, biological buffers, and sterile product packaging. Each bottle is supplied with a patented polyethylene tamper-evident cap. The bottles are made with Eastar, which offers an excellent gas barrier with limited permeability to CO2 and O2. The bottles are manufactured in an ISO 9001 facility in compliance with USP Class VI standards. They are optically clear and highly durable. They are supplied radiation sterilized to SAL 10-6. PETG square media bottles are available in 2,000 mL, 1,000 mL, 500 mL, 250 mL, 125 mL, 60 mL, and 30 mL sizes, in varying configurations.

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  • Newly offered instrumentation, apparatus, and laboratory materials of interest to researchers in all disciplines in academic, industrial, and governmental organizations are featured in this space. Emphasis is given to purpose, chief characteristics, and availabilty of products and materials. Endorsement by Science or AAAS of any products or materials mentioned is not implied. Additional information may be obtained from the manufacturer or supplier.

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