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Showing 1 to 12 of 146 entries
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Is there a role for surgery in stage IIIA-N2 non-small cell lung cancer?.

Zhongguo fei ai za zhi = Chinese journal of lung cancer

VAN Schil PE, Waele MD, Hendrik JM, Lauwers PR.
PMID: 20738899
Zhongguo Fei Ai Za Zhi. 2008 Oct 20;11(5):615-21. doi: 10.3779/j.issn.1009-3419.2008.05.016.

The role of surgery in stage IIIA-N2 non-small cell lung cancer (NSCLC) remains controversial. Most important prognostic factors are mediastinal downstaging and complete surgical resection. Different restaging techniques exist to evaluate response after induction therapy and these are subdivided...

The epidemiology of major incidents in the Western Cape Province, South Africa.

South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde

van Hoving DJ, Lategan HJ, Wallis LA, Smith WP.
PMID: 26428587
S Afr Med J. 2015 Sep 19;105(10):831-4. doi: 10.7196/SAMJnew.7766.

BACKGROUND: Major incidents put pressure on any health system. There are currently no studies describing the epidemiology of major incidents in South Africa (SA). The lack of data makes planning for major incidents and exercising of major incident plans...

Structure and osmotic pressure of ionic microgel dispersions.

The Journal of chemical physics

Hedrick MM, Chung JK, Denton AR.
PMID: 25612730
J Chem Phys. 2015 Jan 21;142(3):034904. doi: 10.1063/1.4905574.

We investigate structural and thermodynamic properties of aqueous dispersions of ionic microgels--soft colloidal gel particles that exhibit unusual phase behavior. Starting from a coarse-grained model of microgel macroions as charged spheres that are permeable to microions, we perform simulations...

Crystal structure of a methimazole-based ionic liquid.

Acta crystallographica. Section E, Crystallographic communications

Gaitor JC, Zayas MS, Myrthil DJ, White F, Hendrich JM, Sykora RE, O'Brien RA, Reilly JT, Mirjafari A.
PMID: 26870468
Acta Crystallogr E Crystallogr Commun. 2015 Dec 06;71:o1008-9. doi: 10.1107/S2056989015022136. eCollection 2015 Dec 01.

The structure of 1-methyl-2-(prop-2-en-1-ylsulfan-yl)-1H-imidazol-3-ium bromide, C7H11N2S(+)·Br(-), has monoclinic (P21/c) symmetry. In the crystal, the components are linked by N-H⋯Br and C-H⋯Br hydrogen bonds. The crystal structure of the title compound undeniably proves that methimazole reacts through the thione tautomer,...

Computational and experimental investigations of one-step conversion of poly(carbonate)s into value-added poly(aryl ether sulfone)s.

Proceedings of the National Academy of Sciences of the United States of America

Jones GO, Yuen A, Wojtecki RJ, Hedrick JL, García JM.
PMID: 27354514
Proc Natl Acad Sci U S A. 2016 Jul 12;113(28):7722-6. doi: 10.1073/pnas.1600924113. Epub 2016 Jun 27.

It is estimated that ∼2.7 million tons poly(carbonate)s (PCs) are produced annually worldwide. In 2008, retailers pulled products from store shelves after reports of bisphenol A (BPA) leaching from baby bottles, reusable drink bottles, and other retail products. Since...

Nanostructured microcantilevers with functionalized cyclodextrin receptor phases: self-assembled monolayers and vapor-deposited films.

Analytical chemistry

Tipple CA, Lavrik NV, Culha M, Headrick J, Datskos P, Sepaniak MJ.
PMID: 12141672
Anal Chem. 2002 Jul 01;74(13):3118-26. doi: 10.1021/ac020074o.

It is shown that the performance of microcantilver-based chemical sensors in a liquid environment is affected by altering cantilever surface morphology and receptor phase type and thickness. Self-assembled monolayers of thiolated beta-cyclodextrin (HM-beta-CD) and thin films of vapor-deposited heptakis...

Tagging alcohols with cyclic carbonate: a versatile equivalent of (meth)acrylate for ring-opening polymerization.

Chemical communications (Cambridge, England)

Pratt RC, Nederberg F, Waymouth RM, Hedrick JL.
PMID: 18399418
Chem Commun (Camb). 2008 Jan 07;(1):114-6. doi: 10.1039/b713925j.

Cyclic carbonate monomers based on a single biocompatible scaffold allow for incorporation of a wide range of functional groups into macromolecules via ring-opening polymerization.

Photoelectron spectroscopy of the [glycine x (H2O)(1,2)]- clusters: sequential hydration shifts and observation of isomers.

The Journal of chemical physics

Diken EG, Headrick JM, Johnson MA.
PMID: 15974678
J Chem Phys. 2005 Jun 08;122(22):224317. doi: 10.1063/1.1930833.

The electron binding energies of the small hydrated amino acid anions, [glycine x (H2O)(1,2)]-, are determined using photoelectron spectroscopy. The vertical electron detachment energies (VDEs) are found to increase by approximately 0.12 eV with each additional water molecule such...

Starlike dendrimers in solutions: structural properties and internal dynamics.

The Journal of chemical physics

Rathgeber S, Monkenbusch M, Hedrick JL, Trollsås M, Gast AP.
PMID: 17144741
J Chem Phys. 2006 Nov 28;125(20):204908. doi: 10.1063/1.2364895.

We measured the shape and the internal dynamics of starlike dendrimers under good solvent conditions with small-angle neutron scattering and neutron spin-echo (NSE) spectroscopy, respectively. Architectural parameters such as the spacer length and generation were varied in a systematic...

Spectral signatures of hydrated proton vibrations in water clusters.

Science (New York, N.Y.)

Headrick JM, Diken EG, Walters RS, Hammer NI, Christie RA, Cui J, Myshakin EM, Duncan MA, Johnson MA, Jordan KD.
PMID: 15961665
Science. 2005 Jun 17;308(5729):1765-9. doi: 10.1126/science.1113094.

The ease with which the pH of water is measured obscures the fact that there is presently no clear molecular description for the hydrated proton. The mid-infrared spectrum of bulk aqueous acid, for example, is too diffuse to establish...

Ripple formation and smoothening on insulating surfaces.

Journal of physics. Condensed matter : an Institute of Physics journal

Headrick RL, Zhou H.
PMID: 21715744
J Phys Condens Matter. 2009 Jun 03;21(22):224005. doi: 10.1088/0953-8984/21/22/224005. Epub 2009 May 12.

Ion bombardment of insulating surfaces such as Al(2)O(3) and SiO(2) produces ordered patterns of ripples. The ripple wavelength varies with ion energy, incidence angle and substrate temperature. A region of stability is also known to exist for near-normal incidence...

Nanoscale frictional dissipation into shear-stressed polymer relaxations.

Physical review letters

Jansen L, Schirmeisen A, Hedrick JL, Lantz MA, Knoll A, Cannara R, Gotsmann B.
PMID: 19658951
Phys Rev Lett. 2009 Jun 12;102(23):236101. doi: 10.1103/PhysRevLett.102.236101. Epub 2009 Jun 09.

Sliding friction between a silicon tip and a highly cross-linked polyaryletherketone film is studied using friction force microscopy. The friction force as a function of temperature between 150 and 500 K shows distinctive maxima corresponding to alpha and beta...

Showing 1 to 12 of 146 entries