01346nas a2200169   4500008004100000022001400041245004700055210004600102260011000148300001200258490000700270520075200277100002001029700002601049700001701075856008401092       2011                        eng d  a0306-001200aMain-chain supramolecular block copolymers0 aMainchain supramolecular block copolymers  aTHOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLANDbROYAL SOC CHEMISTRYcJAN  a129-1370 v403 a<p>Block copolymers are key building blocks for a variety of applications ranging from electronic devices to drug delivery. The material properties of block copolymers can be tuned and potentially improved by introducing noncovalent interactions in place of covalent linkages between polymeric blocks resulting in the formation of supramolecular block copolymers. Such materials combine the microphase separation behavior inherent to block copolymers with the responsiveness of supramolecular materials thereby affording dynamic and reversible materials. This tutorial review covers recent advances in main-chain supramolecular block copolymers and describes the design principles, synthetic approaches, advantages, and potential applications.</p>1 aYang, Si, Kyung1 aAmbade, Ashootosh, V.1 aWeck, Marcus  uhttps://library.ncl.res.in/content/main-chain-supramolecular-block-copolymers-001683nas a2200205   4500008004100000022001400041245011400055210006900169260007100238300001400309490000800323520088500331100001801216700002001234700001601254700002701270700002201297700002601319856013201345       2012                        eng d  a0002-786300aMultiple topologies from glycopolypeptide-dendron conjugate self-assembly: nanorods, micelles, and organogels0 aMultiple topologies from glycopolypeptidedendron conjugate selfa  a1155 16TH ST, NW, WASHINGTON, DC 20036 USAbAMER CHEMICAL SOCcAPR  a7796-78020 v1343 a<p>Glycopolypeptides (GPs) were synthesized by ring-opening polymerization of glycosylated N-carboxyanhydride monomer and attached to hydrophobic dendrons at one chain end by ``click'' reaction to obtain amphiphilic anisotropic macromolecules. We show that by varying polypeptide chain length and dendron generation, an organogel was obtained in dimethylsulfoxide, while nanorods and micellar aggregates were observed in aqueous solutions. Assemblies in water were characterized by electron microscopy and dye encapsulation. Secondary structure of the GP chain was shown to affect the morphology, whereas the chain length of the poly(ethylene glycol) linker between the GP and dendron did not alter rod-like assemblies. Bioactive surface chemistry of these assemblies displaying carbohydrate groups was demonstrated by interaction of mannose-functionalized nanorods with ConA.</p>1 aPati, Debasis1 aKalva, Nagendra1 aDas, Soumen1 aKumaraswamy, Guruswamy1 aGupta, Sayam, Sen1 aAmbade, Ashootosh, V.  uhttps://library.ncl.res.in/content/multiple-topologies-glycopolypeptide-dendron-conjugate-self-assembly-nanorods-micelles-and-0