A thin aluminum foil carrier allows several pre-shaped samples to be plunge-frozen simultaneously. The disposable, inexpensive, simple-to-make carrier allows effective freeze-fracture electron microscopy of troublesome samples.
"A Simple Carrier for Freezing Difficult Food Samples in Preparation for Scanning Electron Microscopy,"
1, Article 10.
Available at: http://digitalcommons.usu.edu/foodmicrostructure/vol9/iss1/10