Hitachi Instruments, Inc

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Compare Our99%*Guaranteed Up-Time Before Your Next Fluorescence Purchase! 18001

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Top: Intracellular Ca" measurement of monocytes on a glass cover slip,Contour plot of anthracene. The Model F-4010 software provides a using lndo-1 as the Ca" indicator. Bottom: Ca** ratio calculation of thetwo dimensional view of the fluorescence excitation-emmission above measurement. The Model F-2000 Intracellular Cation Measure­spectra in which the degree of fluorescence intensity is indicated by the density of line. Contour plots allow the user to view small changes ment system consists of a complete software package and microsampling in excitation and emmission profiles. system. The software allows for simultaneous measurement of two different fluorescent probes and includes post-run calculations of concentration or ratio determination.

Reliability... New Meaning for an Overused Term. In survey after survey, Fluorescence users have indi­ cated that reliability is the most important factor consid­ ered in a new purchase decision. Our service records confirm such outstanding dependability that we can now offer a guaranteed 99% ι ME? up-time policy on all our analytical instruments. Call us now, and learn more about reliability... and its

With each instrument you receive a certificate of "Our Pledge of Quality to You", This guarantees you a 99% up-time, or we pay the bill.

new meaning.

For Details... Call us Toil-Free (800)548-9001 or write: Hitachi Instruments, Inc. 15 Miry Brook Road, Danbury, Ct 06810

HITACHI Hitachi Instruments, Inc.

CIRCLE 63 ON READER SERVICE CARD

ANALYTICAL CHEMISTRY, VOL. 61, NO. 22, NOVEMBER 15, 1989 · 1265 A