The present invention relates to new storage-stable solutions which can be used in semiconductor technology to effect specific etching of copper metallization layers and also CuNi layers. Streaming digital audio, video or other digital data content that is to be multicast to Internet users is formatted into IP protocol at a head-end content source transmission site. Diagnostic methods include a method for predicting long term non-progression in an HIV-infected subject. The pin assembly comprises a plurality of upper pins disposed within the upper pin holes and a plurality of lower pins disposed within the lower pin holes. In one embodiment, the \u03b21 integrin binding agent is the HYD1 peptide, or a functional fragment or variant thereof. The invention comprises a fixed arm, a movable arm with quick release mechanism, a pair of special design, crossed clamping arms with jaws.