Tollen's Test: The test, also known as the silver mirror, is used to identify the presence of an aldehyde functional group in a compound. The test turns negative for ketone. However, an alpha hydroxy ketone gives a positive result.
The precipitate was shown to be micro-sized spherical particles with B-type crystallinity (Figure 4a and Figure S3). The molecular weight of the precipitate was analyzed by high-pressure size exclusion chromatography (HPSEC) analysis, and the results show that the major fraction (> 99%) of ...