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Prof. Mastai's Lab

In the past, techniques to study chiral surfaces using polarized light were carried out only on large areas, and characterizing surfaces at the sub-micrometer scale was limited. However, Mastai's NSOM-based method enables optical microscopy at a higher resolution, beyond the diffraction limit, and is thus suitable for nanostructured environments. With Mastai's technique, it is possible to distinguish between enantiomerically pure L- and D-histidine nanocrystals grown on gold surfaces with dimensions of 10 micrometers.
His lab hopes to improve their technique for measuring optical activity at the nanometer scale, and to use NSOM to explore the relationship between the optical activity of chiral surfaces and their crystalline surface properties.Fro more information, please click here