| Topic | Chapter-Section | Name of Videodisc Demonstration | Description |
|---|---|---|---|
| Biochemistry | 9b | Polarized Light and Organic Molecules | Demonstration of polarized filters and polarimeter |
| When plane polarized white light is passed through a cylinder of aqueous sucrose, a spiral rainbow of color is observed | |||
| Rainbow images of plastic objects under polarized light | |||
| Polarization of liquid crystal display of a calculator | |||
| 9d | Glyceraldehyde and the Fisher Projection | A model of glyceraldehyde and its nonsuperimposable mirror image are shown | |
| The origin of the Fisher projection diagrams is illustrated | |||
| 12d | Silver Mirror - Tollens' Test for Aldehydes | redox reaction | |
| preparation of silver mirror | |||
| equation | |||
| 12e | Oxidation of Ascorbic Acid | Ascorbic acid (vitamin C) is oxidized with aqueous Fe(CN)63-. | |
| Role of ascorbic acid as a natural antioxidant in food. | |||
| Redox reaction | |||
| 18b | Benedict's Test for Reducing Sugars | Glucose and fructose are oxidized by Cu 2+ but sucrose is not | |
| Clinical test for glucose for diagnosis of diabetes | |||
| Commercial test reagent - Clinitest® tablets are demonstrated. | |||
| Glucose oxidase enzyme system in Clinistrip® diagnostic system is demonstrated. | |||
| 19a | Effect of pH on the Solubility of Casein | A basic solution of the milk protein casein is titrated with HCl. About pH 6, the protein precipitates as its charge is neutralized. At lower pH, the protein develops a positive charge and redissolves. | |
| Illustrates the curdling of sour milk. |
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