CryoCapsule ®

High pressure freezing is the most advanced technology when it comes to vitrify a hydrated biological specimen while preserving the ultrastructure. Developed in the 80’s [1], the technology evolved progressively to become accessible to a larger community. Still, the sample preparation prior to HPF remains tedious and often comes to advance expertise depending on the specimen [2].

 

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Description

CryoCapsule®

Bringing Correlative light and electron microscopy forward with the CryoCapsule®

CryoCapsule®High pressure freezing is the most advanced technology when it comes to vitrify a hydrated biological specimen while preserving the ultrastructure. Developed in the 80’s [1], the technology evolved progressively to become accessible to a larger community. Still, the sample preparation prior to HPF remains tedious and often comes to advance expertise depending on the specimen [2].

The CryoCapsule® is a new tool in the field of High Pressure Freezing (HPF) and correlative light and electron microscopy (CLEM). Comparable to a small petri dish, it is composed of a landmarked sapphire disc and a gold spacer ring (50µm thick) maintained together by a plastic ring [3].

https://youtu.be/8PO3n9gKAa4?list=PLUd81CkPvzrAOlA1AkKNH327DH2BZuSoB

CryoCapsule® 3mm
CryoCapsule® 3mm, Catalog #3750

The specimens are encapsulated between the support sapphire disc (carbon landmarked) and a covering sapphire disc.

The CryoCapsule® is loaded into a specific adaptor (HPM010, HPM100, HPF compact 02). Live cell imaging is done directly on the specimen in the CryoCapsule® prior to HPF.

HPM010 Abra Fluid Adapter HMP100 Leica Adaptor
HPM010 Abra Fluid Adapter, Catalog #3751 HMP100 Leica Adaptor, Catalog #3752

Post-HPF, the specimen is processed for freeze substitution [4] and room temperature sectioning.

CryoCapCell has developed a set of tools to manipulate the CryoCapsule® [4] in most scientific environments.

Décapsuleur Décapsuleur
Décapsuleur, Catalog #3753 Décapsuleur Pencil, Catalog #3754

References

  1. Moor H, Bellin G, Sandri C, Akert K. The influence of high pressure freezing on mammalian nerve tissue. Cell Tissue Res [Internet] 1980 [cited 2013 Jul 24];209:201-16.
  2. Mcdonald KL, Schwarz H, Thomas M, Müller-Reichert T, Webb R, Buser C, Morphew M. “Tips and tricks” for high-pressure freezing of model systems. Methods Cell Biol [Internet] 2010 [cited 2011 Apr 19];96:671-93.
  3. Heiligenstein X, Heiligenstein J, Delevoye C, Hurbain I, Bardin S, Paul-Gilloteaux P, Sengmanivong L, Régnier G, Salamero J, Antony C, Raposo G. The CryoCapsule®: Simplifying Correlative Light to Electron Microscopy. Traffic [Internet] 2014 [cited 2014 May 14];15:700-16.
  4. Heiligenstein X, Hurbain I, Delevoye C, Salamero J, Antony C, Raposo G. Step by step manipulation of the CryoCapsule® with HPM high pressure freezers. Methods Cell Biol [Internet] 2014 [cited 2014 Nov 27];124:259-74.

Additional information

Unit

10/pk, each, 5/pk

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