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covalence |
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covalence /co·va·lence/ (ko-va´lens) 1. the number of electron pairs an atom can share with other atoms. 2. one or more chemical bonds formed by sharing of electron pairs between atoms.cova´lent covalence a chemical bond between two atoms in which electrons are shared between the two nuclei. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Norbloc covalently bonds to the polymer backbone, eliminating release into the environment. It is cleaved during the mixing process, and the silane bonds covalently to the silica surface. Because the DNA cannot bind directly to the glass, the surface is first treated with silane to covalently attach reactive amine, aldehyde, or epoxies groups that allow stable attachment of DNA, proteins, and other molecules. |
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