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Showing 13 to 24 of 179 entries
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Swellable, redox-active shell-crosslinked organometallic nanotubes.

Angewandte Chemie (International ed. in English)

Wang XS, Winnik MA, Manners I.
PMID: 15248278
Angew Chem Int Ed Engl. 2004 Jul 12;43(28):3703-7. doi: 10.1002/anie.200453969.

No abstract available.

Cylindrical micelles from the aqueous self-assembly of an amphiphilic poly(ethylene oxide)-b-poly(ferrocenylsilane) (PEO-b-PFS) block copolymer with a metallo-supramolecular linker at the block junction.

Chemistry (Weinheim an der Bergstrasse, Germany)

Gohy JF, Lohmeijer BG, Alexeev A, Wang XS, Manners I, Winnik MA, Schubert US.
PMID: 15352114
Chemistry. 2004 Sep 06;10(17):4315-23. doi: 10.1002/chem.200400222.

A supramolecular AB diblock copolymer has been prepared by the sequential self-assembly of terpyridine end-functionalized polymer blocks by using Ru(III)/Ru(II) chemistry. By this synthetic strategy a hydrophobic poly(ferrocenylsilane) (PFS) was attached to a hydrophilic poly(ethylene oxide) (PEO) block to...

Phosphorescence quenching of dyes adsorbed to silica thin-layer chromatography plates.

Analytical chemistry

Han BH, Manners I, Winnik MA.
PMID: 16351158
Anal Chem. 2005 Dec 15;77(24):8075-85. doi: 10.1021/ac0511703.

We describe photoluminescence (PL) quenching experiments by oxygen for a series of transition metal dyes adsorbed to commercial silica thin-layer chromatography plates. These TLC plates have been used by others as rapidly responding PL pressure sensors. The quenching kinetics...

Using organization theory to understand the determinants of effective implementation of worksite health promotion programs.

Health education research

Weiner BJ, Lewis MA, Linnan LA.
PMID: 18469319
Health Educ Res. 2009 Apr;24(2):292-305. doi: 10.1093/her/cyn019. Epub 2008 May 09.

The field of worksite health promotion has moved toward the development and testing of comprehensive programs that target health behaviors with interventions operating at multiple levels of influence. Yet, observational and process evaluation studies indicate that such programs are...

Influence of ethylene glycol and propylene glycol on polymer diffusion in poly(butyl acrylate-co-methyl methacrylate) latex films.

The journal of physical chemistry. B

Schroeder WF, Liu Y, Tomba JP, Soleimani M, Lau W, Winnik MA.
PMID: 20163098
J Phys Chem B. 2010 Mar 11;114(9):3085-94. doi: 10.1021/jp9118875.

We describe fluorescence resonance energy transfer (FRET) experiments carried out to examine the effect of ethylene glycol and propylene glycol on the early stages of polymer diffusion in poly(butyl acrylate-co-methyl methacrylate) latex films. In our approach, we temporarily arrest...

trans-Cyclo-hexane-1,4-diyl bis-(4-nitro-phen-yl) dicarbonate.

Acta crystallographica. Section E, Structure reports online

Nawazish Ali S, Begum S, Winnik MA, Lough AJ.
PMID: 21200848
Acta Crystallogr Sect E Struct Rep Online. 2007 Dec 18;64:o282. doi: 10.1107/S1600536807066007.

In the title crystal structure, C(20)H(18)N(2)O(10), there are two independent mol-ecules, both of which lie on crystallographic inversion centres. In one mol-ecule the 4-nitro-phenyl dicarbonate groups are substituted in equatorial (A(eq)) positions of the chair-form cyclo-hexane ring while in...

Polymer vesicles as robust scaffolds for the directed assembly of highly crystalline nanocrystals.

Langmuir : the ACS journal of surfaces and colloids

Wang M, Zhang M, Siegers C, Scholes GD, Winnik MA.
PMID: 19449823
Langmuir. 2009 Dec 15;25(24):13703-11. doi: 10.1021/la900523s.

We report the incorporation of various inorganic nanoparticles (NPs) (PbS, LaOF, LaF(3), and TiO(2), each capped by oleic acid, and CdSe/ZnS core/shell QDs capped by trioctylphosphine oxide) into vesicles (d = 70-150 nm) formed by a sample of poly(styrene-b-acrylic...

Noise-induced escape on time scales preceding quasistationarity: New developments in the Kramers problem.

Chaos (Woodbury, N.Y.)

Soskin SM, Sheka VI, Linnik TL, Arrayas M, Kaufman IK, Luchinsky DG, McClintock PV, Mannella R.
PMID: 12779497
Chaos. 2001 Sep;11(3):595-604. doi: 10.1063/1.1378788.

Noise-induced escape from the metastable part of a potential is considered on time scales preceding the formation of quasiequilibrium within that part of the potential. It is shown that, counterintuitively, the escape flux may then depend exponentially strongly, and...

Polymer-like conformation and growth kinetics of Bi2S3 nanowires.

Journal of the American Chemical Society

Cademartiri L, Guerin G, Bishop KJ, Winnik MA, Ozin GA.
PMID: 22533703
J Am Chem Soc. 2012 Jun 06;134(22):9327-34. doi: 10.1021/ja301855z. Epub 2012 May 23.

One-dimensional inorganic crystals (i.e., crystalline nanowires) are one of the most intensely investigated classes of materials of the past two decades. Despite this intense effort, an important question has yet to be answered: do nanowires display some of the...

Photothermally-triggered self-assembly of gold nanorods.

Chemical communications (Cambridge, England)

Fava D, Winnik MA, Kumacheva E.
PMID: 19532893
Chem Commun (Camb). 2009 May 14;(18):2571-3. doi: 10.1039/b901412h. Epub 2009 Mar 18.

Herein we demonstrate the photothermally-triggered self-assembly of poly(N-isopropylacrylamide)-functionalized gold nanorods in one-dimensional structures.

2,5-Dimethyl-hexane-2,5-diyl bis-(4-nitro-phen-yl) dicarbonate.

Acta crystallographica. Section E, Structure reports online

Nawazish Ali S, Begum S, Winnik MA, Lough AJ.
PMID: 21202086
Acta Crystallogr Sect E Struct Rep Online. 2008 Mar 12;64:o694. doi: 10.1107/S1600536808006120.

The title structure, C(22)H(24)N(2)O(10), contains two independent centrosymmetric mol-ecules. The only significant difference between the mol-ecules is the dihedral angle between the unique carbonate group (-O-CO(2)-) and the benzene ring, the values being 77.35 (8) and 66.42 (8)°. The...

Branched cylindrical micelles via crystallization-driven self-assembly.

Journal of the American Chemical Society

Qiu H, Du VA, Winnik MA, Manners I.
PMID: 24188009
J Am Chem Soc. 2013 Nov 27;135(47):17739-42. doi: 10.1021/ja410176n. Epub 2013 Nov 15.

We report the preparation of branched micelles by the growth of thinner-core cylindrical micelles at the termini of the thicker-core cylindrical micelle seeds through crystallization-driven self-assembly of polyferrocenylsilane block copolymers. The branched micelles possessed structures with monodisperse middle segments...

Showing 13 to 24 of 179 entries