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  1. Pursuing "zero" protein adsorption of poly(carboxybetaine) from undiluted blood serum and plasma.

    Langmuir 25(19):11911 (2009) PMID 19583183

    Human blood serum and plasma pose significant challenges to blood-contacting devices and implanted materials because of their high nonspecific adsorption onto surfaces. In this work, we investigated nonspecific protein adsorption from single protein solutions and complex media such as undiluted ...
  2. Postformation Modification of SAMs: using click chemistry to functionalize organic surfaces.

    Langmuir 25(19):11480 (2009) PMID 19788212

    We have investigated a recently established strategy of modifying organic surfaces exposed by thiolate SAMs (self-assembled monolayers) deposited on Au substrates by employing so-called click chemistry. This term is used to denote a modified Huisgen 1,3-dipolar cycloaddition. We demonstrate the ...
  3. Enabling organosilicon chemistries on inert polymer surfaces with a vapor-deposited silica layer.

    Langmuir 25(19):11541 (2009) PMID 19655704

    Given the large surface area-to-volume ratios commonly encountered in microfluidics applications, the ability to engineer the chemical properties of surfaces encountered in these applications is critically important. However, as various polymers are rapidly replacing glass and silicon as the cho...
  4. Photosensor based on an FET utilizing a biocomponent of photosystem I for use in imaging devices.

    Langmuir 25(19):11969 (2009) PMID 19731941

    We have investigated a photosensor that consists of a field emission transistor (FET) utilizing the biocomponent of the photosystem I (PSI) protein complex for use in an imaging device. The PSI was immobilized on a gold electrode via the self-assembling monolayer (SAM) of 3-mercapto-1-propanesul...
  5. Effects of capillary condensation in adhesion between rough surfaces.

    Langmuir 25(19):11727 (2009) PMID 19788224

    Experiments on the effects of humidity in adhesion between rough surfaces have shown that the adhesion energy remains constant below a critical relative humidity (RHcr) and then abruptly jumps to a higher value at RHcr before approaching its upper limit at 100% relative humidity. A model based o...
  6. Nonreactive spreading at high-temperature revisited for metal systems via molecular dynamics.

    Langmuir 25(19):11450 (2009) PMID 19702248

    The spreading for Cu and Ag droplets on top of a rigid solid surface modeling Mo is herewith considered via molecular dynamics. The dynamics of the base radius and the contact angle are recorded and fitted using the molecular-kinetic theory. A method is described to determine for liquid metals a...
  7. A peculiar phase transition of plasmalogen bilayer membrane under high pressure.

    Langmuir 25(19):11265 (2009) PMID 19697955

    The bilayer phase transition of plasmalogen, monounsaturated plasmenylcholine 1-O-1'-(Z)-octadecenyl-2-oleoyl-sn-glycero-3-phosphocholine (Plg-SOPC), was examined by differential scanning calorimetry, high-pressure transmittance, and fluorescence techniques. The bilayer properties of Plg-SOPC su...
  8. Generation of clean iron structures by electron-beam-induced deposition and selective catalytic decomposition of iron pentacarbonyl on Rh(110).

    Langmuir 25(19):11930 (2009) PMID 19630434

    We explore the electron-beam-induced deposition (EBID) of iron pentacarbonyl, Fe(CO)5, in ultrahigh vacuum (UHV) on clean and modified Rh(110) surfaces by scanning electron microscopy (SEM), scanning Auger microscopy (SAM), and local Auger electron spectroscopy (AES). In EBID a highly focused el...
  9. Preparation, characterization, and catalytic activity of core/shell Fe3O4@polyaniline@au nanocomposites.

    Langmuir 25(19):11835 (2009) PMID 19702253

    We report a new method to synthesize magnetically responsive Fe3O4@polyaniline@Au nanocomposites. The superparamagnetic Fe3O4@polyaniline with well-defined core/shell nanostructure has been synthesized via an ultrasound-assisted in situ surface polymerization method. The negatively charged Au na...
  10. Synthesis and spectroscopic studies of composite gold nanorods with a double-shell structure composed of spacer and cyanine dye J-aggregate layers.

    Langmuir 25(19):11802 (2009) PMID 19655781

    The composite gold nanorods (Au NRs) having a double-shell structure composed of Au NR (core), spacer layer (inner shell), and J-aggregate (JA) layer (outer shell) have been synthesized to examine the spectroscopic properties of the hybrid system in which the localized surface plasmon is coupled...