1. HeLa cells are cultured on the glass slide coated with 2% gelatin
2. Washed cells with 1X PBS, stained with plant dye
3. Observed under Foldscope and conventional microscope for comparison
4. A- Unstained cells. Under conventional microscope with 200 X zoom

B-Stained cells, under the conventional microscope with 200 X zoom

C- Unstained cells. Under Foldscope, photography captured by 12 MP  smartphone camera with 2X digital zoom

D- Stained cells, Under Foldscope, photography captured by 12 MP smartphone camera with 2X digital zoom

Observed under Foldscope and conventional microscope.