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Thermo Fisher Scientific launches latest innovation in high-throughput tissue processing

THERMO FISHER SCIENTIFIC Inc., has introduced the Thermo Scientific STP 420ES Tissue Processor for high- throughput tissue processing. This new tissue processor enables faster turnaround times for same-day diagnosis and leaner workflows through operational flexibility. Using a dual chamber design, which features unique rotational agitation that increases flow of traditional reagents by seven-fold to reduce processing times, the STP 420ES can process up to 420 cassettes per run. Holding 360 and 60 cassettes in the first and second chambers respectively, the second chamber allows independent processing of STAT samples, as well as special or difficult tissues, without disrupting routine workflow or requiring the use of a second instrument.

By performing multiple runs per

day and two protocols simultaneously, a laboratory using the STP 420ES can benefit from increased processing capacity and superior agitation with no additional capital expenditure. Furthermore, when used in combination with the Thermo Scientific Fast Flex range of reagents, the new tissue processor can cost-effectively halve traditional processing times to only 4.4 hours for 5mm specimens and under one hour for biopsies. This is all done while continuing to provide the highest- quality results. Compared to other tissue processors,

the STP 420ES offers higher performance with the flexibility to increase or decrease processing speeds as desired, leaving the laboratory and its staff

in complete control of its workflow. Additionally, the control and monitoring of both chambers is provided simply via a single touch-screen user interface. ■


Image © THERMO FISHER SCIENTIFIC Seward makes cell preparation easier

SEWARD LIMITED, MANUFACTURER and developer of the world leading, patented Stomacher® Paddle Blender range, has further enhanced the application range of its Strainer bags to include sterile processing of tissue samples for primary cell preparation. Gamma irradiated sterile and available in a range of sizes, the Strainer bags are fully compatible with all laboratory paddle blenders, including Seward’s Stomacher® 80 Biomaster range. As the Strainer bags are effectively small, fully containable units, which are easily used in a sterile environment, this has enabled new applications in cell culture. The 0.5mm pore size of the

integrated, robust strainer element within the Seward Strainer bag generates a uniformly homogenous cell suspension. This allows the cells’ passage through the pores of the central straining matrix and


prevents contamination with undigested extracellular material, which can block pipettes. Produced to provide a sterile, secure environment for the preparation of single cell suspensions, the Strainer bag is ideal for the individual processing of a large number of samples. The Strainer bags are an adaptable

and useful technology, which can increase the efficiency of the preparation of primary cells from digested tissues. “The new life-science applications of our robust Strainer bag technology represent the continuing, customer oriented, development to which Seward is committed,” said Stuart Ray, Technical Director, Seward Ltd. “Cell scientists can simplify their primary culture preparations by straining the processed tissues to ensure trouble-free pipetting, whilst also increasing the viability of the cells produced as the end product.” ■



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