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LABORATORY PRODUCTS
GR Scientific Family of Titrators Aquamax KF Coulometric
Karl Fischer Titrator Water content determination from 1 microgram water. Typically used for very low ppm through to low percentage levels of water. Simple operation, small footprint, integral printer, unique low drift glassware, fully portable.
Aquamax KF Volumetric
Karl Fischer Titrator For measuring water contents in the milligram through to high percentage ranges. Simple operation, several easy to use programmes. Two high precision 5ml syringes, two built in peristaltic pumps.
Aquamax TAN Total Acid Number Titrator
Conforms to ASTM D664 for determination of acidic constituents in petroleum products, lubricants and transformer insulating oils.
All titrators are covered by 5 year parts & labour warranty. Worldwide distributor network – contact us for details.
G.R. Scientific Ltd P.O. Box 242, Ampthill, Bedfordshire, MK45 5AQ, Tel. +44 1525 404747 • Fax. 01525 404848 Email
info@grscientific.com Web
www.grscientific.com
Circle no. 198
Compact Chilling/Heating Dry Bath for use with Robotic Systems
Torrey Pines Scientific announces an entire line of Peltier driven, compact Chilling/Heating Dry Baths with one or two chilling/heating positions and RS232 interface for use with Robotic Systems.
These units can freeze, chill or heat samples from -20°C to +110°C in assay plates, centrifuge tubes of all sizes, vials, and most any size test tube. Their compact size and sample accessibility to robotic arms make them ideal for use with robotic systems.
These units are particularly well suited to the molecular biology lab for doing hybridisations, sample prep for PCR, ligations, enzyme reactions and much more.
Torrey Pines Scientific can provide assistance with system applications and customisation. These dry baths have digital display and control of temperature to 1°C;
count down timer in days, hours, minutes and seconds to 30 days; data logger; and RS232 I/O port.
The smallest of the units measures 6.5" (16.5cm) wide by 8.75" (22.23cm) deep by 3.5" (8.9cm) tall. They are well suited for access by robotic arms. A variety of over 25 standard sample blocks and custom blocks are available.
Circle no. 197
Strengthened Online Video Resources
Easy and Economic Generation of Functional siRNAs
Don Whitley Scientific has launched a comprehensive series of product videos, offering customers a quick and easy guide to the company’s workstation range. Visitors to the website can now benefit from a visual representation of the unique design and key features. The showcased instruments include the Whitley A35, A85, 500/1000 and DG250 Workstations and the H35 Hypoxystation. With detailed video guidance on how to operate many of the main features, clean and disassemble the instruments, customers have unrivalled access to Don Whitley Scientific’s product information and technical support.
Further strengthening its online resources, Don Whitley Scientific continues to help its customers identify the workstation or equipment that is most suited to their unique research needs and laboratory
environment. Each video highlights product functionality, such as the touch screen interface of some of the Whitley Workstations. This unique interface allows users to control and monitor all modified atmosphere environmental parameters, including oxygen and carbon dioxide levels, humidity, temperature and chamber pressure. Other illustrated features include the patented gloveless / sleeveless instant access portholes of the A35 Workstation. The 500/1000 and DG250 Workstations are equipped with the ‘rapid-lock’ porthole system that enables users to save time when just a few samples have to be transferred. The motorised gloveport systems combine ultimate performance with user comfort and reliability.
Dedicated to sharing its industry expertise and scientific knowledge, Don Whitley Scientific’s new online video resources provide a one-stop reference guide. The product demonstrations complement existing customer support systems, which include an extensive network of highly-skilled engineers, scientists and product specialists.
Circle no. 199
The Turbo Dicer siRNA Generation Kit from Amsbio enables easy and cost-effective generation of a large number of small interfering RNAs (siRNAs) from full-length target genes.
siRNAs are 21- to 23-nucleotide RNA molecules that can cause targeted gene silencing in mammalian cells through a process known as RNA interference. In nature, siRNAs are generated by ribonuclease III cleavage of longer double stranded RNAs (dsRNAs). When dsRNAs are transfected directly into mammalian cells, they activate the interferon system and provoke non-specific gene suppression and cytotoxic response. siRNAs have proven to be effective at specifically silencing gene expression without causing any interferon response.
Using an ultra-active form of human recombinant dicer enzyme, a double-stranded RNA-specific endonuclease, it is possible using the kit to cleave more than 95% of dsRNA template into 22 bp siRNAs within two hours under optimised reaction conditions. In contrast to individual synthetic siRNAs, the Turbo Dicer kit allows users to quickly produce multiple siRNA species against their target mRNA, and thereby achieve effective gene silencing with minimal guesswork. Moreover, due to the minimal concentration of any individual siRNA species generated with the Turbo Dicer Enzyme, off-target effects are not a problem.
For maximum convenience, the Turbo Dicer siRNA Generation Kit contains everything that is required for preparing double stranded RNA from your target gene(s), dsRNA cleavage, siRNA cleanup and transfection. Both the Recombinant Turbo Dicer Enzyme and the RNA Purification Columns are also available separately.
Circle no. 200
New Service Contracts for Detection Instruments
With 30 years of experience in service support, Tecan knows that the same solution is not right for everyone. To offer greater flexibility to its customers, the Company has recently expanded its range of Te-Care™ Service Contracts with two new options – Te–Care Check and Te–Care Depot Repair - designed specifically for users of Tecan detection instruments. For customers without a dedicated quality control (QC) tool, Te–Care Check offers on-site operational qualification (OQ) of instrument performance, reducing downtime by ensuring consistent performance and instrument reliability through regular maintenance and function checks. Te–Care Depot Repair provides a cost efficient repair service at a Tecan technical centre, which includes parts and labor, eliminating unbudgeted service expenses. Shipping arrangements are straightforward and the customer has the option of a loaner instrument.
Reliable operation of laboratory equipment is vital to the efficiency and smooth running of any laboratory. Covering your Tecan instrument with a Te-Care Service Contract helps to reduce instrument downtime and to ensure reliability of results. All services are provided by Tecan’s broad network of experienced and certified field service specialists, guaranteeing the high level of service that Tecan customers have come to expect.
Circle no. 201
INTERNATIONAL LABMATE - OCTOBER/NOVEMBER 2010 - LABORATORY PRODUCTS
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