Thiol terminated monodisperse ethylene oxide oligomer capped...

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample

Reexamination Certificate

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C422S082010, C422S082030, C436S149000, C436S151000, C436S183000, C436S524000, C436S525000

Reexamination Certificate

active

07404928

ABSTRACT:
A thiol terminated ethylene oxide oligomer and the method of substituting the oligomer onto a gold nanocluster surface using a thiol-exchange reaction to form a charge-neutral, non-ionizable, water soluble, ethylene oxide protected gold nanocluster. The thiol terminated ethylene oxide oligomer has the formula CH3(OCH2CH2)xSH where x varies from one to ten. Also disclosed is the related method of making the thiol terminated ethylene oxide oligomer.

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