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[J. Mater. Chem. C] Magnetoceramic Nanocrystals from a Bulk Pyrolysis of Hyperbranched Poly(ferrocenyl)borocarbosilanes
We report a novel strategy to synthesize nanostructured magnetoceramics via a direct bulk pyrolysis of hyperbranched polycarbosilanes without any assistance of nanoscaled templates. The hyperbranched polyferrocenyl(boro)carbosilanes (hb-PBCS) were synthesized via a convenient A2+B3 strategy. After the pyrolysis of hb-PBCS under a nitrogen atmosphere at 1100 C, iron silicide nanocry...
http://www.polymer.cnt//ss/kongjie/publicationsshow_7456.html |
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[Chem. Comm.] Visible light induced fast synthesis of protein-polymer conjugates: controllable polymerization and protein activity
Herein visible
light is used to induce RAFT polymerization from protein for preparing
protein-polymer conjugates at ambient temperature. Polymerization is
fast and can be conveniently controlled with irradiation time. By
site-specific polymerization of NIPAm to protein, the protein activity
is maintained and in certain cases it presents an efficient
on-off-switchable property.
http://www.polymer.cnt//ss/gchen/publicationsshow_7339.html |
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[Polym Chem] Novel phthalocyanine and PEG-methacrylates based temperature-responsive polymers for targeted photodynamic therapy
A novel multi-targeting nanocarrier (SiPc-polymer) for photodynamic therapy (PDT) has been successfully polymerized via the incorporation of silicon(IV) phthalocyanine dichloride (SiPcCl2) to the thermoresponsive PEG-methacrylates based polymers. The resulting SiPc-polymer was characterized by1H NMR spectroscopy, GPC, UV-Vis and elemental analysis. The lower critical solution temperature (LCST) ...
http://www.polymer.cnt//ss/gchen/publicationsshow_7337.html |
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[Polym Chem] Glycopolymer-coated gold nanorods synthesised by a one pot copper(0) catalyzed tandem RAFT/click reaction
Side-chain functionalized glycopolymers have been successfully prepared in a well-controlled manner via a copper(0)-catalyzed one-pot reaction combining living radical
polymerisation and ‘click chemistry’. The polymerisation was confirmed
by the first-order kinetic plots, the linear relationships between
molecular weights and the monomer conversions while keeping relatively
narrow polydisp...
http://www.polymer.cnt//ss/gchen/publicationsshow_7336.html |
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[Polym Chem] A novel approach to synthesize polymers for potential photodynamic therapy: from benzenedinitrile to phthalocyanine
Benzenedinitrile, a
precursor for the synthesis of phthalocyanine, was incorporated into a
methacrylate monomer, 2-methyl-acrylic acid
6-(3,4-dicyano-phenoxy)-hexyl ester (MADCE). The benzenedinitrile
monomer was homo-polymerized, chain-extended and copolymerized with
oligo(ethylene glycol) methyl methacrylate (OEGMEMA) via the
reversible addition–fragmentation chain transfer (RAFT) metho...
http://www.polymer.cnt//ss/gchen/publicationsshow_7335.html |
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[Chem. Eur. J.] Chemoselective Phototransformation of C-H Bond on Polymer Surface via a Novel Photoinduced Cerium Recycling Redox
It is
generally accepted that Ce4+ is unable to directly oxidize inert
alkyl C-H bond without the assistance of adjacent polar groups. Herein we
demonstrated in our newly developed confined photochemical reaction system,
this recognition might be challenged. As we found, when a thin layer of CeCl3/HCl
aqueous solution was applied onto polymeric substrate, and under UV
irradiation, Ce3+ was firstly...
http://www.polymer.cnt//ss/yangpeng/publicationsshow_7165.html |
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[Chem Commun] Microcontact Printing Graphene Oxide Nanosheet for Fabricating Patterned Polymer Brushes
A robust strategy is developed to fabricate micro-patterned graphene oxide (GO) films on the hydroxylated surface via micro-contact printing induced supramolecular self-assemble of multiple hydrogen-bond formation between GO nanosheet and silicon substrate. Existing photo active sites on the surface of GO allows the further amplification of GO in chemical functions to grow polymer brushes via self...
http://www.polymer.cnt//ss/chentaogroup/publicationsshow_7118.html |
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Shape-memory and biocompatibility properties of segmented polyurethanes based on poly( L -lactide) . Frontiers of Chemistry in China, 2007, 2(4): Front. Chem. China 2007, 2(4): 331–336
A series of segmented poly(L-lactide)-polyurethanes (PLA-PUs) were synthesized by a twostep method, with oligo-poly(L-lactide) (PLA) as the soft segments and the reaction product of 2,4-toluene diisocyanate (TDI) and ethylene glycol (EG) as the hard segments. The shape-memory properties and biocompatibility of PLA-PUs
were examined. The 50% compressed PLA-PUs could recover almost 100% to their ori...
http://www.polymer.cnt//ss/pbzhang/publicationsshow_7015.html |
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[Polym Chem] Visible Light Mediated Atom Transfer Radical Polymerization of Methyl Methacrylate at Ambient Temperature
Photoinduced atom transfer radical polymerization (ATRP) was achieved using a simple
household fluorescent lamp as the light source. In solution, methyl methacrylate could be polymerized to well-defined polymers, the photoinduced ATRP system did only convert monomers during irradiation and was inactive in the dark. In situ monitoring by UV-vis spectroscopy revealed the photoredox cycle between CuI...
http://www.polymer.cnt//ss/chentaogroup/publicationsshow_6816.html |
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[Chem Commun] A Smart Hybrid System of Au Nanoparticles Immobilized PDMAEMA Brushes for Thermally Adjustable Catalysis
A smart hybrid system was prepared by introducing the temperature responsive PDMAEMA brushes and Au NPs to silica NPs through self-initiated photografting and photopolymerization (SIPGP) and reduction of HAuCl4. The obtained SiO2@PDMAEMA/Au hybrid system was investigated to have a thermal adjustable catalytic activity for the reduction of 4-nitrophenol.
http://www.polymer.cnt//ss/chentaogroup/publicationsshow_6815.html |
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