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Scanning electron microscopy has become an increasingly useful tool for anthropologists, particularly because of the development of improved methods of replicating specimens. One of the best replication techniques involves silicone-based dental impression materials to make negative impressions, in c
Hexamethyldisilizane (HMDS) and tetramethylsilane are organic compounds that are volatile at ambient temperature and which can therefore be used for air-drying biological samples for SEM studies. The techniques using these compounds provide results that are comparable with those obtained by critical
## Scanning Electron Microscopy (SEM) has become a routine technique for the characterization of inert sup- port materials for biocatalyst immobilization as well as for the observation of immobilized cells, especially cell colonization and cell-support interaction. SEM is expected to have importan