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Related Concept Videos

Tissue Homogenization and Cell Lysis01:32

Tissue Homogenization and Cell Lysis

Tissue homogenization involves disintegrating tissue architecture and lysing cells, and is an early step in isolating and analyzing cellular components. The method used for homogenization depends on the sample type, the amount of sample available, the analyte to be obtained, and the sensitivity of the method. These methods are broadly classified as mechanical and non-mechanical methods.
Mechanical methods of tissue homogenization
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DNA Extraction from Paraffin Embedded Material for Genetic and Epigenetic Analyses
13:32

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Published on: March 26, 2011

Vegetable oils instead of xylene in tissue processing.

B Bruun Rasmussen1, K Norring Hjort, I Mellerup

  • 1Department of Pathology, Roskilde County Hospital, Denmark.

APMIS : Acta Pathologica, Microbiologica, Et Immunologica Scandinavica
|September 1, 1992
PubMed
Summary
This summary is machine-generated.

Researchers explored substituting toxic xylene with olive and coconut oils in histopathology. Vegetable oils may replace xylene without compromising diagnostic quality, improving lab safety.

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Area of Science:

  • Histopathology
  • Laboratory Safety
  • Toxicology

Background:

  • Xylene, a toxic organic solvent, is commonly used in histopathology for deparaffinization and clearing.
  • Concerns regarding xylene's toxicity necessitate the investigation of safer alternatives to improve working conditions.

Purpose of the Study:

  • To evaluate the feasibility of substituting xylene with less toxic vegetable oils (olive oil and coconut oil) in histopathologic processing.
  • To determine if oil-based processing affects the quality of histologic sections for diagnostic purposes.

Main Methods:

  • Parallel processing of 232 tissue specimens using both xylene and vegetable oils.
  • Histologic and cytologic evaluation of hematoxylin-eosin stained sections.
  • Application of histochemical and immunohistochemical stainings on a subgroup of sections.

Main Results:

  • Qualitative differences between xylene and oil-processed tissues were observed in a minority of cases.
  • Oil-processed samples were consistently suitable for histopathologic diagnosis.
  • No differences were detected in histochemical and immunohistochemical staining results between the two processing methods.

Conclusions:

  • Less toxic vegetable oils show potential as substitutes for xylene in histopathology.
  • Substitution with vegetable oils appears to maintain diagnostic information quality.
  • Further studies are needed to clarify the long-term stability of oil-processed tissues.