Mar 05, 2025

Public workspaceDewaxing and rehydration of paraffin sections for histology

  • 1CPC Histology Facility, The University of Sydney
  • The University of Sydney
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Protocol CitationSamson Dowland 2025. Dewaxing and rehydration of paraffin sections for histology. protocols.io https://dx.doi.org/10.17504/protocols.io.n2bvj9kk5lk5/v1
License: This is an open access protocol distributed under the terms of the Creative Commons Attribution License,  which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited
Protocol status: Working
We use this protocol and it's working
Created: March 05, 2025
Last Modified: March 05, 2025
Protocol Integer ID: 123815
Abstract
Paraffin must be removed from tissue sections before histological staining. This protocol describes the method for deparrafinisation and rehydration of sections to facilitate staining with aqueous solutions. The protocol may be shortened as appropriate if using an alcoholic staining solution.
Protocol materials
ReagentXylenePOCD ScientificCatalog #XYL5P
In 2 steps
ReagentEthanolPOCD ScientificCatalog #ETHABS20M
In 2 steps
ReagentEthanolHurst ScientificCatalog #EIMS95-5L
In 2 steps
ReagentEthanolPOCD ScientificCatalog #ETHABS70WV5
Step 7
XyleneConcentration100 % (v/v) ReagentXylenePOCD ScientificCatalog #XYL5P

10m
XyleneConcentration100 % (v/v) ReagentXylenePOCD ScientificCatalog #XYL5P

10m
100% EthanolConcentration100 % (v/v) ReagentEthanolPOCD ScientificCatalog #ETHABS20M

2m
100% EthanolConcentration100 % (v/v) ReagentEthanolPOCD ScientificCatalog #ETHABS20M

2m
95% EthanolConcentration95 % (v/v) ReagentEthanolHurst ScientificCatalog #EIMS95-5L

2m
95% EthanolConcentration95 % (v/v) ReagentEthanolHurst ScientificCatalog #EIMS95-5L

2m
70% EthanolConcentration70 Mass / % volume ReagentEthanolPOCD ScientificCatalog #ETHABS70WV5

2m
Tap Water
2m