31. Colloidal gold is used in research applications in medicine, biology and materials science.32. Gordon Low tried his treatment, an IV containing a solution of colloidal lead. 33. Ferrofluids are colloidal liquids made of nanoscale agglomeration. 34. In 1898, Richard Adolf Zsigmondy prepared the first colloidal gold in diluted solution. 35. Freundlich's main works dealt with the coagulation and stability of colloidal solutions. 36. The presence or absence of colloidal organic matter is also probably of some importance. 37. Unordered topographies can be created by polymer demixing, colloidal lithography and chemical etching. 38. One type of platinum NPs that have been researched on are colloidal platinum NPs. 39. :I think we agree that more eyes on colloidal silver would be useful. 40. No-one could possibly read the article and conclude colloidal silver is harmless.
