2]O and ethylene glycerol could form strong interaction with the hydroxyl group
Along the outside of the complex, the hydroxyl groups
on the sugars that hang off the ends of the ringed cores are hydrophilic: They prefer close contact with water and so help stabilize the curved stack.
The most prevalent functional groups that are thought to be responsible for the adsorption process is the hydroxyl group
present in both SCB and lignin.
As far as the HNBR/AO-80 composites with high-AO-80 content are concerned, the majority of the hydroxyl group
exists mainly in the form of intracomponent hydrogen bonding, and a small portion may form intercomponent hydrogen bonding with nitrile of HNBR.
The measured mass loss values, and the calculated physically adsorbed water and hydroxyl group
density are listed in Table 1.
2 ppm corresponding to the methine protons of PLLA main chain appeared, and the methine protons next to hydroxyl group
(-CH-OH) in the PLLA chains was shown at 4.
There are two intramolecular hydrogen bonds between the O atom of hydroxyl group
and the H8A atom connected to the C8 of phenoxymethyl structure (C8-H8A.
Lys98 interacts with oxygen of one hydroxyl group
of ring and Arg109 with other hydroxyl group
oxygen while oxygen of third hydroxyl group
established interaction with the Asn197 whereas the oxygen atom of the ring interacts with Asn108 (Figure S2 in Supplementary Material available online at http://dx.
The hydroxyl groups
on C2 and C3 of the glucose units are located at the top of the torus and the hydroxyl group
on C6 is located at the base of the torus.
The team, which includes chemistry professor Stephen Hanessian, initially examined the possibility of simply removing a hydroxyl group
from neomycin to limit the effectiveness of the aminoglycoside-inactivating enzyme.
Preliminary experiments have provided evidence for an unusual mechanism of modular polyketide synthase chain release in enacyloxin biosynthesis, involving intermolecular condensation of an acyl carrier protein (ACP)-bound thioester with the C-3 hydroxyl group
of (1R, 3R, 4S)-3,4-dihydroxycyclohexane carboxylic acid (DHCCA).
The researchers synthesized gold nanoparticles whose surfaces were modified with various functional groups: a positively-charged amino group (-NH2), a negatively-charged carboxyl group (-COOH) or a neutral hydroxyl group
11-13) The hydroxyl group
of HEA not only reacts with PIH to form covalently crosslinking networks, but also engages in intramolecular and/or intermolecular hydrogen bonding with carbonyl, ether, or other electronegative acceptor functionality in the polymeric states.
The results revealed that both the hydroxyl group
at C-3 and the carboxylic group at C-17 played indispensable roles in the antiosteociastogenesis activity of ursane-type triterpenoids.
Phenolic hydroxyl group
and proportion of [alpha]-conjugated phenolics were calculated based on the absorbance values at 300 nm and 350 to 365 nm with different buffer solutions at pH 6, pH 12, and with 0.