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Up to the present date, positive reports on aggregates of gold nanoclusters (Au NCs) are rare. In this work, water-soluble Au NCs aggregates were facilely synthesized by heating the mixture of poly(N-vinylimidazole) (PVIm), mercaptosuccinic acid (MSA) and HAuCl 4 . The obtained PVIm-MSA@Au NCs always showed bright far-red/near infrared emission (centered at ca. 715 nm) no matter of UV or visible light...
The influence of aliphatic acids on the phase transition temperature of thermoresponsive hyperbranched polyethylenimine possessing a large amount of isobutyramide and amine groups (HPEI-IBAm) was studied systematically. Nine saturated aliphatic acids including formic acid (C1), acetic acid (C2), n-pentanoic acid (n-C5), trimethylacetic acid (t-C5), hexanoic acid (C6), octanoic acid (C8), decanoic...
Hyperbranched polyamidoamine (HPAMAM) polymers, chemically analogous to the commercially available PAMAM dendrimer, were modified with isobutyric anhydride to result in isobutyramide (IBAm) terminated HPAMAMs (HPAMAM-IBAm). The aqueous solutions of HPAMAM-IBAm polymers had the lower critical solution temperature (LCST). The lower molecular-weight HPAMAM-IBAm exhibited higher LCST and the LCST difference...
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