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Showing 1 to 12 of 211 entries
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Relating chemical structure to device performance via morphology control in diketopyrrolopyrrole-based low band gap polymers.

Journal of the American Chemical Society

Liu F, Wang C, Baral JK, Zhang L, Watkins JJ, Briseno AL, Russell TP.
PMID: 24295031
J Am Chem Soc. 2013 Dec 26;135(51):19248-59. doi: 10.1021/ja408923y. Epub 2013 Dec 12.

We investigated the structure-morphology-performance relationship of diketopyrrolopyrrole (DPP)-based low band gap polymers with different donor cores in organic field effect transistors (OFETs) and organic photovoltaics (OPVs). The change in the chemical structure led to strong physical property differences, such...

Concentrating aggregation-induced fluorescence in planar waveguides: a proof-of-principle.

Scientific reports

Banal JL, White JM, Ghiggino KP, Wong WW.
PMID: 24844675
Sci Rep. 2014 Apr 10;4:4635. doi: 10.1038/srep04635.

The photophysical properties of fluorescent dyes are key determinants in the performance of luminescent solar concentrators (LSCs). First-generation dyes--coumarin, perylenes, and rhodamines--used in LSCs suffer from both concentration quenching in the solid-state and small Stokes shifts which limit the...

Freshness monitoring of sea bream (Sparus aurata) with a potentiometric sensor.

Food chemistry

Barat JM, Gil L, García-Breijo E, Aristoy MC, Toldrá F, Martínez-Máñez R, Soto J.
PMID: 26059148
Food Chem. 2008 May 15;108(2):681-8. doi: 10.1016/j.foodchem.2007.10.034. Epub 2007 Oct 17.

Freshness in one of the main quality attributes for fish commercialization and consumption. The traditional method for fish freshness evaluation is sensory analysis. However, instrumental methods such as electrical, texture and colour measurements, image analysis, VIS spectroscopy and electronic...

Ultrafast oleophobic-hydrophilic switching surfaces for antifogging, self-cleaning, and oil-water separation.

ACS applied materials & interfaces

Brown PS, Atkinson OD, Badyal JP.
PMID: 24786299
ACS Appl Mater Interfaces. 2014 May 28;6(10):7504-11. doi: 10.1021/am500882y. Epub 2014 Apr 30.

Smooth copolymer-fluorosurfactant complex film surfaces are found to exhibit fast oleophobic-hydrophilic switching behavior. Equilibration of the high oil contact angle (hexadecane = 80°) and low water contact angle (

Plasmachemical surface functionalised beads: versatile tailored supports for polymer assisted organic synthesis.

Chemical communications (Cambridge, England)

Badyal JP, Cameron AM, Cameron NR, Coe DM, Cox R, Davis BG, Oates LJ, Oye G, Spanos C, Steel PG.
PMID: 15179485
Chem Commun (Camb). 2004 Jun 21;(12):1402-3. doi: 10.1039/b401329h. Epub 2004 May 14.

Plasmachemical surface modification of porous polystyrene beads with allylamine or diaminopropane provides reactive amine functionality exclusively at accessible surface sites, allowing faster reactions than classically prepared materials.

Rapid polymer brush growth by TEMPO-mediated controlled free-radical polymerization from swollen plasma deposited poly(maleic anhydride) initiator surfaces.

Langmuir : the ACS journal of surfaces and colloids

Teare DO, Schofield WC, Garrod RP, Badyal JP.
PMID: 16262358
Langmuir. 2005 Nov 08;21(23):10818-24. doi: 10.1021/la051566+.

Pulsed plasma-chemical deposition of poly(maleic anhydride) is shown to be a substrate-independent method for functionalizing solid surfaces with initiator sites for nitroxide-mediated controlled free-radical graft polymerization. Swelling of the initiator film via aminolysis can lead to grafted polymer brushes...

Diels-Alder chemistry at furan ring functionalized solid surfaces.

Chemical communications (Cambridge, England)

Tarducci C, Badyal JP, Brewer SA, Willis C.
PMID: 15645053
Chem Commun (Camb). 2005 Jan 21;(3):406-8. doi: 10.1039/b412906g. Epub 2004 Dec 01.

A substrate-independent method for Diels-Alder chemistry at solid surfaces is described for the first time.

Gallbladder carcinoma: the role of p53 protein overexpression and Ki-67 antigen expression as prognostic markers.

HPB : the official journal of the International Hepato Pancreato Biliary Association

Hidalgo Grau LA, Badia JM, Salvador CA, Monsó TS, Canaleta JF, Nogués JM, Sala JS.
PMID: 18333072
HPB (Oxford). 2004;6(3):174-80. doi: 10.1080/13651820410025110.

BACKGROUND: The overexpression of p53 protein and the expression of Ki-67 antigen may affect the survival of patients with gallbladder carcinoma. This association has been tested in a series of 41 patients with relatively early carcinoma of the gallbladder.METHODS:...

Idiopathic fibrosing pancreatitis associated with ulcerative colitis.

HPB : the official journal of the International Hepato Pancreato Biliary Association

Nve E, Ribé D, Navinés J, Villanueva MJ, Franch G, Torrecilla A, Blay J, Badia JM.
PMID: 18333266
HPB (Oxford). 2006;8(2):153-5. doi: 10.1080/13651820600686998.

Idiopathic fibrosing pancreatitis has been associated with Sjögren's syndrome, primary biliary cirrhosis and primary sclerosing cholangitis. This condition frequently develops in childhood and youth, and has also been related to ulcerative colitis and pericholangitis. Pancreatic complications have been rarely...

Structural effect on the stability of acetophenone-B(OMe)2 complexes in the gas phase. The nature of the bond between the boron cation and neutral molecules.

The journal of physical chemistry. A

Itoh S, Badal MM, Mishima M.
PMID: 19739682
J Phys Chem A. 2009 Sep 17;113(37):10075-80. doi: 10.1021/jp904159u.

The free energy changes (DeltaG, boron cation basicity; BCB) for the reaction [(MeO)2B]L+ = (MeO)2B+ + L (L = acetophenones) were determined in the gas phase by measuring ligand exchange equilibria using an FT-ICR mass spectrometer. On the basis...

Memory effect in an ionic liquid matrix containing single-walled carbon nanotubes and polystyrene.

Nanotechnology

Wei D, Baral JK, Osterbacka R, Ivaska A.
PMID: 21817601
Nanotechnology. 2008 Feb 06;19(5):055203. doi: 10.1088/0957-4484/19/05/055203. Epub 2008 Jan 14.

We report the use of an ionic liquid (IL) gel matrix containing a blend of single-walled carbon nanotubes (SWNTs) and polystyrene (PS) as a memory device. SWNTs and PS beads were mixed in a room-temperature IL, 1-butyl-3-methyl-hexafluorophosphate ([BMIM][PF(6)]). The...

Organic memory using [6,6]-phenyl-C(61) butyric acid methyl ester: morphology, thickness and concentration dependence studies.

Nanotechnology

Baral JK, Majumdar HS, Laiho A, Jiang H, Kauppinen EI, Ras RH, Ruokolainen J, Ikkala O, Osterbacka R.
PMID: 21817563
Nanotechnology. 2008 Jan 23;19(3):035203. doi: 10.1088/0957-4484/19/03/035203. Epub 2007 Dec 13.

We report a simple memory device in which the fullerene-derivative [6,6]-phenyl-C(61) butyric acid methyl ester (PCBM) mixed with inert polystyrene (PS) matrix is sandwiched between two aluminum (Al) electrodes. Transmission electron microscopy (TEM) images of PCBM:PS films showed well...

Showing 1 to 12 of 211 entries