Gen-probe, Inc.

The British Petroleum Company, P.l.c.

Keith Smith

Barry Nay

Ian Weeks

Michael Butters

Andrew James Rutter

Zhaoqiang Li

Oligonucleotide building processes are monitored by means of an oligonucleotide probe which in one embodiment is labelled at one end with a chemiluminescent label and at the other end with a quencher molecule. The conformation of the oligonucleotide probe changes according to whether the probe hybridises with a substantially complementary nucleic acid sequence. In the non-hybridised state the chemiluminescent label is sufficiently close proximity to the quencher that the chemiluminescent emission is substantially attenuated, but in the hybridised state the separation is such that there is little or no attenuation. Particular probes and emitter/quencher pairs are disclosed.

Monitoring oligonucleotide binding processes using chemiluminescence quenching

This invention relates to novel compositions comprising a N-halodialkylamine as defined in the specification and an inorganic oxide. The compositions are useful as halogenating agents for phenolic compounds. The compositions have the advantage that they are milder halogenating agents than halogens or hydrogen halides.

Chemical composition and use thereof

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Swansea, United Kingdom

Keith Smith