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Showing 25 to 36 of 571 entries
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Layered polyelectrolyte-silica coating for nanocapsules.

Langmuir : the ACS journal of surfaces and colloids

Sun B, Mutch SA, Lorenz RM, Chiu DT.
PMID: 16262349
Langmuir. 2005 Nov 08;21(23):10763-9. doi: 10.1021/la0513297.

This paper demonstrates the ability to grow silica directly on a deposited surface of polyelectrolyte. Using this strategy, we describe the deposition of layered polyelectrolyte-silica coating on negatively charged surfaces of polystyrene particles and latex nanocapsules, which could not...

Cobalt catalysts for the alternating copolymerization of propylene oxide and carbon dioxide: combining high activity and selectivity.

Journal of the American Chemical Society

Cohen CT, Chu T, Coates GW.
PMID: 16076192
J Am Chem Soc. 2005 Aug 10;127(31):10869-78. doi: 10.1021/ja051744l.

Synthetic pathways to (salcy)CoX (salcy = N,N'-bis(3,5-di-tert-butylsalicylidene)-1,2-diaminocyclohexane; X = halide or carboxylate) complexes are described. Complexes (R,R)-(salcy)CoCl, (R,R)-(salcy)CoBr, (R,R)-(salcy)CoOAc, and (R,R)-(salcy)CoOBzF(5) (OBzF(5) = pentafluorobenzoate) are highly active catalysts for the living, alternating copolymerization of propylene oxide (PO) and CO(2),...

Heterogeneous reactions of HX + HONO and I2 on ice surfaces: kinetics and linear correlations.

The journal of physical chemistry. A

Diao G, Chu LT.
PMID: 16833453
J Phys Chem A. 2005 Feb 24;109(7):1364-73. doi: 10.1021/jp045965+.

Reaction probabilities of gaseous nitrous acid, HONO, with HCl, HBr, and HI treated ice surfaces have been investigated in a fast flow-tube reactor coupled with a differentially pumped quadrupole mass spectrometer (QMS) at 191 K. The reaction probability increases...

Second-order filtering and sensing with partially coupled traveling waves in a single resonator.

Optics letters

Little BE, Chu ST, Haus HA.
PMID: 18091847
Opt Lett. 1998 Oct 15;23(20):1570-2. doi: 10.1364/ol.23.001570.

The counterpropagating waves in a single traveling-wave cavity can be partially coupled by means of a small perturbation such as a notch. When it is side coupled to a waveguide, this single cavity yields a general second-order (Chebyshev) reflection...

Binding studies of molecular linkers to ZnO and MgZnO nanotip films.

The journal of physical chemistry. B

Taratula O, Galoppini E, Wang D, Chu D, Zhang Z, Chen H, Saraf G, Lu Y.
PMID: 16570948
J Phys Chem B. 2006 Apr 06;110(13):6506-15. doi: 10.1021/jp0570317.

Two bifunctional linkers, a rigid-rod p-ethynyl-isophthalic acid capped with a Ru(II)-polypyridyl complex and 3-mercaptopropionic acid, were covalently bound to ZnO nanotip films grown by metal-organic chemical vapor deposition (MOCVD) technology. This highly vertically aligned, crystalline form of ZnO had...

Location of Si vacancies and [Ti(OSi)4] and [Ti(OSi)3OH] sites in the MFI framework: a large cluster and full ab initio study.

The journal of physical chemistry. A

Yuan S, Si H, Fu A, Chu T, Tian F, Duan YB, Wang J.
PMID: 21214280
J Phys Chem A. 2011 Feb 10;115(5):940-7. doi: 10.1021/jp110977m. Epub 2011 Jan 10.

Titanium silicalite-1 (TS-1) is an important catalyst for selective oxidation reactions. However, the nature and structure of the active sites and the mechanistic details of the catalytic reactions over TS-1 have not been well-understood, leaving a continuous debate on...

Propagation velocity of laser-induced plasma inside and outside a transparent droplet.

Optics letters

Hsieh WF, Zheng JB, Wood CF, Chu BT, Chang RK.
PMID: 19741803
Opt Lett. 1987 Aug 01;12(8):576-8. doi: 10.1364/ol.12.000576.

The supersonic propagation velocity of the emission front of plasma produced by laser-induced breakdown of a micrometer-sized transparent droplet flowing in a gas was measured with a streak camera at three intensity levels. At low input intensity, the plasma...

Stress-induced cardiomyopathy: A review.

European journal of internal medicine

Cocco G, Chu D.
PMID: 17693225
Eur J Intern Med. 2007 Sep;18(5):369-79. doi: 10.1016/j.ejim.2007.02.021. Epub 2007 Jul 26.

In clinical practice it is essential to bear stress-induced cardiomyopathy (SICMP) in mind as it is an insufficiently known cardiac pathology that mimics acute coronary syndromes (ACS), often with signs of cardiac failure. In the chronic phase, it poses...

Explosive vaporization of a large transparent droplet irradiated by a high intensity laser.

Applied optics

Zhang JZ, Lam JK, Wood CF, Chu BT, Chang RK.
PMID: 20523436
Appl Opt. 1987 Nov 15;26(22):4731-7. doi: 10.1364/AO.26.004731.

Shadowgraph studies of the explosive vaporization of a transparent water droplet after irradiation by a high intensity beam show that dielectric breakdown occurs within the droplet shadow face and generates a dense plasma, which absorbs the laser pulse. The...

Improvement of toughness and electrical properties of epoxy composites with carbon nanotubes prepared by industrially relevant processes.

Nanotechnology

Hollertz R, Chatterjee S, Gutmann H, Geiger T, Nüesch FA, Chu BT.
PMID: 21317490
Nanotechnology. 2011 Mar 25;22(12):125702. doi: 10.1088/0957-4484/22/12/125702. Epub 2011 Feb 14.

The addition of carbon nanotubes (CNTs) to polymeric matrices or master batches has the potential to provide composites with novel properties. However, composites with a uniform dispersion of CNTs have proved to be difficult to manufacture, especially at an...

Spontaneous formation of highly ordered nanostructures: thermal instability and mode selection in surface-capped polymer films.

Nanotechnology

Li SP, Chu DP, Koltsov DK, Fu YT, Welland ME.
PMID: 21825785
Nanotechnology. 2008 Jun 11;19(23):235302. doi: 10.1088/0957-4484/19/23/235302. Epub 2008 May 06.

We demonstrate a controllable formation process of wave-like patterns in thermally unstable surface-capped polymer films on a rigid substrate. Self-ordered wave-like structures over a large area can be created by applying a small lateral tension to the film, whereupon...

Diversity in the regulation of autophagy and mitophagy: lessons from Parkinson's disease.

Parkinson's disease

Chu CT.
PMID: 21603187
Parkinsons Dis. 2011;2011:789431. doi: 10.4061/2011/789431. Epub 2011 Mar 17.

Selective mitochondrial degradation through autophagy (mitophagy) has emerged as an important homeostatic mechanism in a variety of organisms and contexts. Complete clearance of mitochondria can be observed during normal maturation of certain mammalian cell types, and during certain forms...

Showing 25 to 36 of 571 entries