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Ideas on using yeast as a safer alternative for basic microbiology practicals.
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Detailed, illustrated instructions for this practical activity, including how to make the simple manometer required.
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Updated from section 14 of the CLEAPSS handbook, this gives considerable detail on how to set up and manage fermentations in school science. It includes sections of safety, suitable organisms, and on .. more
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A simple way to demonstrate the action of catalase.
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Directors editorial, Hazcards 2017 update, changes to the Ionising Radiation Regulations, Good Practical Science - the Gatsby Foundation report, dealing with 'Acid' attacks, IRM vs First Aid, more pro.. more
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Alginate beads are used to trap (immobilise) enzymes, yeast and algae. These immobilised beads can be recovered from experiments and re-used to reduce costs and save time.
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A straightforward practical activity investigating how antimicrobial chemicals affect microbial growth on agar plates.
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Guidance on the preparation of Janus green solution. This is used as an indicator for respiration and a stain for mitochondria.
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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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This video shows single celled organisms feeding on yeast stained with Congo red. The yeast taken into the cell can be seen changing colour as its pH changes when it is digested inside the cell.
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