Diamond Knives

for Ultramicrotomy

(Sale within Germany and Austria only!)



Please send your diamond knives to our new address:
Science Services GmbH
Unterhachinger Strasse 75
D-81737 Munich, Germany


Your benefits of working with DiATOME


Free customer service
Sectioning tests with biological and material research specimens of all kinds. We send you the sections along with the surfaced sample,
a report on the results obtained and a recommendation of a suitable knife. Complete discretion when working with proprietary samples.


Re-sharping and reworking service
A resharpened Diatome diamond knife demonstrates the same high quality as a new knife. Resharpened DiATOME knives undergo the same stringent optical checking and sectioning test as new knives. Even the oldest knives purchased can be resharpened.


Exchange service
You can exchange your knife into a new knife of a different type at a slightly higher price than resharpening costs. All knives can be reworked into another type of knife, e.g. small knifes into large ones, ultra to cryo or 45° to 35°.


Characteristics of DiATOME diamond knifes

DiATOME knives are compatible with all ultramicrotomes! The boat is designed in such a manner that the water is horizontal when the clearance angle is set. This results in a stationary water surface and good reflection.

The shape of the boat offers you the advantage of an easy pick-up of the floating sections.

The surfaces of the DiATOME diamond knives are hydrophilic. This property allows an easy wetting of the cutting edge, even with a very low water level (important for sectioning Lowicryls and other hydrophilic embedding media, as well as for water sensitive samples).

The diamond is high vacuum brazed onto a metal shank which is securely screwed into the boat. The cementing material seals boat and knife. It is hydrophilic and aids the easy wetting of the cutting edge.