LIFE SCIENCES
 
UV visible spectrophotometry is  widely used in the bio medical field, and Pecsa Analytical offers a wide range of micro and ultra micro cells for this type of application where sample volume is a key constraint. The Tray cell is designed to ensure accurate reproducible analysis of DNA/RNA and proteins using very small sample volumes. The quartz microplates we offer have distinct advantages over the more common plastic varieties, such resistance to high temperatures and aggressive solvents, making them quick and easy to sterilise, and a wide transmission range over the whole UV range.

Disposable UV-Transparent spectrophotometer cuvettes
 are an alternative to fragile, expensive quartz cuvettes for DNA, RNA, and protein analyses between 220-900nm. They eliminate the need for maintenance, cleaning, and most importantly the contamination risk associated with quartz cuvettes
 

Fluorescence is a well-established technique for the characterisation of biological materials based on localisation of administered fluorophores in cell and tissue structures, and this is increasingly replacing radioactive labelling as a method of studying biological processes. Pecsa Analytical offers comprehensive range of Fluorescence cells for most applications, and special cells can be made to order

The use of graphite tube Atomic absorption for measuring trace metal concentration in blood is well documented, and more controversial application include the use of hair samples to diagnose dietary deficiencies. This technique is a reliable indicator of long term exposure to heavy metals such as lead, in the work environment.

FTIR and IR applications to the Life science field are less common, as most biological studies are done in the presence of water, which has a strong IR absorption, which often masks the peaks of interest.
 
Recent advances in ATR & HATR sampling have now made it possible to use this technique for the study of organic materials suspended in water.
Typical Applications
 
 
 
 




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