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hydrogen bond |
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hydrogen bond [′hī·drə·jən ′bänd] (physical chemistry) A type of bond formed when a hydrogen atom bonded to atom A in one molecule makes an additional bond to atom B either in the same or another molecule; the strongest hydrogen bonds are formed when A and B are highly electronegative atoms, such as fluorine, oxygen, or nitrogen. 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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| Specifically, by inducing a hydrogen bond within a molecular, the new reagent obtains high-reactive aminated oligonucleotide in a few minutes with improved purification efficiency. Al-Biruni did not know that in ice, each water molecule is typically linked with four others through hydrogen bonding, forming an ordered crystal structure whereas in its liquid state, these hydrogen bonds break and reform on a picosecond time scale, allowing a statistical distribution of the different possible coordinations. Frey says cellulose has a large number of hydrogen bond sites. |
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