摘要 |
An element for the attachment of protein arrays, the element comprising a surface to which are attached a plurality of piperazine functional groups wherein the piperazine functional groups are represented by Formula I: where R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3</SUP>, R<SUP>4</SUP>, R<SUP>5</SUP>, R<SUP>6</SUP>, R<SUP>7</SUP>, R<SUP>8</SUP>, R<SUP>9</SUP>, R<SUP>10</SUP>, are hydrogen, alkyl, alkenyl, alkynyl, alkylhalo, cycloalkyl, cycloalkenyl, alkylthio, alkoxy, with the proviso that at least one of R<SUP>1 </SUP>to R<SUP>10 </SUP>be a non-labile chemical unit that attaches the piperazine functional group to the surface of the element.
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