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Fixatives
SPI Supplies fixatives include EM and Biological grades of glutaraldehyde, aqueous and crystalline osmium tetroxide, ruthenium staining kits, Karnovsky's Fixative and other chemicals used for fixation and buffering.
SPI Supplies Brand Glassy (Vitreous) Carbon
The glassy carbon offered by SPI Supplies exhibits properties that are as dramatically different from the properties of graphite as diamond. Our glassy carbon is a unique material with very unusual properties.
SPI-Mark Unconjugated Colloidal Gold Probes
SPI-Mark unconjugated gold colloidal suspensions are of outstanding EM quality, exhibit virtually no clumping and exhibit very tight size distribution ranges, so tight in fact, that triple tagging experiments are no problem at all.
Vacuum Grease
SPI Supplies brings you only the very highest quality in high vacuum greases. Our website provides needed information to make an informed kind of decision as to which high vacuum grease is going to have the highest likelihood of working in your application. Be sure to use high quality high vacuum grease products for critical high vacuum requirements!
Grids
The world's largest selection of TEM grids for transmission electron microscopy is found on the SPI Supplies website including copper, nickel, gold, and other materials of construction.