Materials
- Lab coat
- Eye protection
- Disposable gloves
- Disinfectant and paper towels
- Discard jar with disinfectant
- Glass slide
- Lens tissue
- Wire loop
- Labels
- Small beaker
- Nigrosin stain
- Live yoghurt
- Sterile water
8. Prepare the film by dragging the yoghurt/stain mixture along the slide with the short edge of another slide. Do not fix with heat.
9. When absolutely dry, examine under oil immersion if possible. Otherwise, under x600 (x15 eyepiece, x40 objective).
10. When finished, dispose of slides into a discard jar.