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An updated procedure to safely look at human cheek cells under the microscope. Includes information on both health and safety and disposal, as well as some suggestions for more detailed work.
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Guidance on the preparation of methylene blue solutions for different applications. Methylene blue is used as an indicator for redox reactions e.g. respiration, and stains for cells. 
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A simple investigation, with clear procedural advice, on looking at how chemicals affect the cytoplasm of red onion epidermal cells.
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A simple method of observing animal cells using liver. A great alternative to cheek cells.  
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A quick and economical way to make a class set of atomic structure models.
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Components of blood can be stained and viewed using this protocol.
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An alternative protocol for staining blood smears.
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Describes and explains the various spectra which are used to identify chemicals. Provides data on the infra red, magnetic resonance, mass and UV spectra for a range of common organics substances.
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Tastrak film is used to detect radioactive alpha particles. Once exposed, the film needs to be developed. These risk assessed instructions for developing the film include appropriate control measures.
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The low melting point of gallium metal is demonstrated, eg by using warm water to melt a sample or by making it into a spoon shape and showing that it melts when used to stir a cup of tea.
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