Re: sheath fluid for Calibur

From: Thomas Delohery (t-delohery@SKI.MSKCC.org)
Date: Thu Mar 30 2000 - 18:25:29 EST


Hello Alice, you said:

>We have found that  using distilled/de-ionized water in the sheath is
>noisier than
>buffer on our cytometers.  After puzzling over the question of
>contaminants in the
>water and after some discussion with a few gurus,  we have concluded that
>the noise
>is not from contaminated water but may result from light bouncing off the
>refractive
>index change at the water (sheath): buffer (sample core) interface.
>
>Any thoughts on this?

I concur.  This effect is compounded when you're looking at small things with
log laser scatter.
td

--
==============================================================================
 Thomas M. Delohery                       |Internet: t-delohery@ski.mskcc.org
 Supervisor, Flow Cytometry Core Facility |   Phone: (212) 639-8729
 Memorial Sloan-Kettering Cancer Center   |   Fax:   (917) 432-2333
 1275 York Ave. Box 98                    |
 New York, NY    10021                    |
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