56 Protecting Light Sensitive Samples From Degradation
To protect light sensitive samples Porvair Sciences offers a selection of high quality, black microplates and seals that eliminate sample degradation, even over long storage periods.
Manufactured from ultra-pure grade polypropylene, Porvair black microplates are resistant to a wide range of solvents and have near zero leachates ensuring long-term sample integrity. The black plates are supplied RNase / DNase free meaning they can be used with even the most sensitive biological samples. Available in a choice of 96-well formats, Porvair black plates are precisely manufactured to applicable ANSI / SLAS dimensions ensuring complete compatibility with almost all readers and automated equipment.
To prevent evaporation, hydration of DMSO solutions and to completely eliminate light from samples, Porvair Sciences additionally offers a choice of black, light absorbing sealing films that may be applied to the top of the black plates.
MORE INFO. 114
New Reduced Volume TAN System Saves Cost and use of Organic Solvents by 75%
GR Scientific have launched a new micro system for Total Acid Number (TAN) analysis of oil samples. A micro combination pH electrode and optimised titration vessel have been developed specifically to address the reduction in organic solvent consumption.
The system enables the user to save up to 75% of the volume and cost of organic solvent used in the analysis. The new system reduces the cost per test to around £1 and greatly reduces the cost of waste solvent disposal. GR Scientific have worked closely with a UK sensor company to develop a micro combination electrode to use with the system.
The electrode offers excellent stability for non-aqueous titrations. It is an ‘easy to clean’ design which is an important feature for oil analysis instruments. The system is easy to use and has been developed specifically for the wide range of TAN values expected from oil industry samples.
MORE INFO. 115
New Innovation for Cell and Tissue Culture Brand GmbH & Co KG introduces the new BRANDplates®
Insert System for cell culture consists of 4-strip inserts and
matching 24-well and 6-well plates. Depending on the insert type and the membrane, the system can be used for a variety of cellular biology tests, such as co-cultivation, transport studies, and for the manufacture of human tissue (3D tissue culture). Unlike conventional insert systems, the BRANDplates®
Insert System offers a high degree of flexibility for
both manual and automated operation. The user can choose between two plate variants (24-well plate or 6-well special variant) and two different membrane types (PC, PET) of 4-insert strips. Four pore sizes are available. In addition to standard strips, insert strips with lateral inlet openings specifically for use in tissue culture are also available.
The feeding ports in the plates permit medium change with manual systems also with pipetting roboters, without moving the inserts. The two insert variants, either as strips or separated into individual inserts, can be securely positioned suspended in the plates. The insert strips with inlet openings make possible entirely new options for automation, because the feeding ports of the plates can be used to regulate the medium level within the inserts (Airlift-cultivation) and quick and easy replacement of the medium is possible.
MORE INFO. 116
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