Measure Common Ions and O2 in Culture Plates
Recent developments in sensor technology has enabled Lazar Research Laboratories, Inc. to miniaturize its line of ion and pO2 probes so that they can now be used to measure very small lab samples including microtiter plates, serum cups, HPLC sample vials, and NMR tubes. Ion electrodes are available for measuring common ions such as sodium, potassium, chloride, and calcium. Probes for measuring less common ions such as bromide, iodide, cyanide, sulfide, and thiocyanate are also available as well as a special system for micro oxygen measurements. Typical sensor diameter is less than 1mm for the ion probes and less than 2mm for the dissolved oxygen probe. The ability to measure small samples makes these probes especially useful for biomedical research and biotechnology applications. Other important features of these microprobes include virtually unbreakable Teflon bodies, fast stable response times which are typically less than 30 seconds, and low detection limits enabling the researcher to detect ion levels to below 1 part per million and oxygen levels below 100 parts per billion. The probes can be used in various media including serum, plasma, urine, whole blood, and various plant and animal tissue samples. The pO2 probe can also be used in various respiration studies. The ion probes require an immersion depth of only 0.1mm for accurate readings while the pO2 requires an immersion depth of 1 to 2mm. All micro probes are available with the U.S. standard, B.N.C., and Radiometer connectors to be used with all common pH/millivolt meters. Temperature range for the micro probes is 5 C to 70 C.

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