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PP151 - A Visking tubing model of the gut using lactase
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This protocol provides an alternative to the classic model gut activity using Visking tubing. It uses the enzyme lactase to digest lactose, found in milk, into glucose.
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Members only resource
PP158 - Visking tubing model of the gut using starch and amylase
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This protocol uses starch and amylase, contained within Visking tubing, to model the action of the gut. It includes both a simplified method, which demonstrates starch digestion and the production of .. more
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Members only resource
PP029 - Effects of chemicals on permeability of red onion cell membranes
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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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Handbook - Section 13 - Chemistry Topics
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Guidance and information on a range of chemicals, chemistry topics and apparatus including handling chemicals, chemical reactions, gas cylinders and syringes, molecular models, plastics, advanced chem.. more
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Free resource
Project Faraday by the DfE
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Project Faraday set out to promote innovative science facilities that not only support 21st century approaches to learning and teaching but also inspire teachers and learners themselves.
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Handbook - Section 10 - General Equipment (L-Z)
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Guidance on general laboratory equipment including low voltage supplies, magnifiers, meters, micrometer screw gauges, microscopes, pumps, thermometers, timers, tubing and volume measurement.
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PP129 - Staining and observing mitosis in garlic root tips
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A straight forward method using a low risk stain for observing mitosis in garlic root tip cells.
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PP096 –Testing for common negative ions
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The common negative ions, carbonate (CO32-), sulfate(VI) (SO42-) and the halides (Cl–, Br– and I–) can be simply tested for in test tube reactions. The method described here uses a more dilute ammo.. more
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RB030 - Cobalt(II) solutions
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Guidance on how to prepare cobalt (II) solutions and other cobalt(II)-containing reagents. Includes information on cobalt(II) chloride indicator papers (for moisture/humidity detection) and thermochro.. more
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SRA014 - Making and burning nitrocellulose - ‘gun cotton’
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Gun cotton was an early form of explosive used in guns. These instructions, with control measures, provide a safe procedure to make and burn one type of gun cotton.Note:- These activities are designed.. more
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Showing results 1 to 10 of 85
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