In the past when we needed large quantities of stable isotope labelled compounds incl. custom-synthesized compounds we got good service and good deals from Chris Pullan at GOSS Scientific.
We are planning a large-scale operation in West Africa in which we plan to enrich mosquito larval sites with [15N]potassium nitrate and [13C]glucose in order to study migration in malaria vectors.
This is a fairly ambitious plan requiring 100-200g of each isotope.
If anyone here has a good idea as to where we might be able to obtain these quantities at a bulk price (i.e. under $45 and $95 per g respectively) please share the information.
Our current source for these prices is Cambridge Isotope Labs in the US.
Roy Faiman, Ph.D
Laboratory of Malaria and Vector Research
NIAID, National Insititutes of Health
12735 Twinbrook Parkway, 2W-09C
Rockville, MD 20852 USA
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