Provided are compositions and methods for intracellular detection of enzyme activity. One example of a composition is a histone deacetylase substrate comprising a compound of the following formula (I): One example of a method is a method for detecting histone deacetylase activity comprising introducing a compound according to formula (1) to a plurality of cells and monitoring the cells with magnetic resonance spectroscopy.
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(2008/06/13)
Radiohalogenated half-antibodies and maleimide intermediate therefor
N-(m-radiohalophenyl) maleimide can be conjugated with a reduced antibody having a mercapto group to provide a radiolabelled half-antibody having immunological specific binding characteristics of whole antibody.
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(2008/06/13)
M-aminophenyltrialkylstannane
m-Radiohalo-aniline is a stable intermediate for preparing biotin-m-radiohalo-anilide to be used as an imaging agent or therapeutic agent. The invention also contemplates m-aminophenyltrialkylstannane which can be radiohalogenated and linked to biotin.
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(2008/06/13)
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