Measure pH of very small bio sample

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Fri Oct 31 12:01:59 EST 1997

Novel Research Tool measures pH of very small Biological  samples

A micro pH electrode has been developed which can measure samples as
small as 5 microliters which is less than 1/10 the volume of a
single drop of liquid. It can also measure small biological specime
The electrode fits directly into 96 well plates, microcentrifuge
tubes, serum cups, capillary tubes, and NMR tubes. 

Biological specimens which can be measured include various animal
and plant tissues. Surface pH measurements on biological samples can
also be made.

The probe is all solid state with a Teflon body making it virtually
unbreakable.  It has a 1 mm tip and 2 mm body and can be used with
any standard pH meter or strip chart recorder. For further detai
Micro probes are also available to measure ions such as Na, Cl, and
K as well as pO2 and pCO2. 

Lazar Research Laboratories, Inc.
R. Chan, Ph.D.

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