Spatiotemporally Controlled Formation of Two-Component Counterpropagating Lateral Graft Density Gradients of Mixed Polymer Brushes on Planar Au Surfaces

2007 ◽  
Vol 19 (4) ◽  
pp. 515-520 ◽  
Author(s):  
X. J. Wang ◽  
P. W. Bohn
Keyword(s):  
Polymer Brushes ◽  
Density Gradients ◽  
Two Component ◽  
Graft Density

Barrier Capacity of Hydrophilic Polymer Brushes To Prevent Hydrophobic Interactions: Effect of Graft Density and Hydrophilicity

2009 ◽  
Vol 42 (13) ◽  
pp. 4817-4828 ◽  
Author(s):  
Yuquan Zou ◽  
Nicholas A. A. Rossi ◽  
Jayachandran N. Kizhakkedathu ◽  
Donald E. Brooks
Keyword(s):  
Polymer Brushes ◽  
Hydrophobic Interactions ◽  
Hydrophilic Polymer ◽  
Graft Density

Surface Interaction Forces of Well-Defined, High-Density Polymer Brushes Studied by Atomic Force Microscopy. 2. Effect of Graft Density

2000 ◽  
Vol 33 (15) ◽  
pp. 5608-5612 ◽  
Author(s):  
Shinpei Yamamoto ◽  
Muhammad Ejaz ◽  
Yoshinobu Tsujii ◽  
Takeshi Fukuda
Keyword(s):  
Atomic Force Microscopy ◽  
Polymer Brushes ◽  
Surface Interaction ◽  
High Density ◽  
Interaction Forces ◽  
Force Microscopy ◽  
Atomic Force ◽  
Graft Density

scholarly journals Free energy of alternating two-component polymer brushes on cylindrical templates

2011 ◽  
Vol 135 (24) ◽  
pp. 244902 ◽  
Author(s):  
William L. Miller ◽  
Behnaz Bozorgui ◽  
Katherine Klymko ◽  
Angelo Cacciuto
Keyword(s):  
Free Energy ◽  
Polymer Brushes ◽  
Two Component

Nonfouling Polymer Brushes via Surface-Initiated, Two-Component Atom Transfer Radical Polymerization

2008 ◽  
Vol 41 (12) ◽  
pp. 4216-4219 ◽  
Author(s):  
Matthew T. Bernards ◽  
Gang Cheng ◽  
Zheng Zhang ◽  
Shengfu Chen ◽  
Shaoyi Jiang
Keyword(s):  
Atom Transfer Radical Polymerization ◽  
Radical Polymerization ◽  
Polymer Brushes ◽  
Atom Transfer ◽  
Two Component

scholarly journals Nanostructured polymer brushes and protein density gradients on diamond by carbon templating

Soft Matter ◽  
2011 ◽  
Vol 7 (10) ◽  
pp. 4861 ◽  
Author(s):  
Naima A. Hutter ◽  
Marin Steenackers ◽  
Andreas Reitinger ◽  
Oliver A. Williams ◽  
Jose A. Garrido ◽  
...  
Keyword(s):  
Polymer Brushes ◽  
Density Gradients ◽  
Nanostructured Polymer ◽  
Protein Density

scholarly journals Polymer Brushes Immersed in Two-Component Solvents with Pure Volume Exclusion: Effect of Solvent Molecular Shape

ACS Omega ◽  
2019 ◽  
Vol 4 (7) ◽  
pp. 12927-12937
Author(s):  
Congcong Li ◽  
Tiancai Zhang ◽  
Yingzi Yang ◽  
Ping Tang ◽  
Feng Qiu
Keyword(s):  
Polymer Brushes ◽  
Molecular Shape ◽  
Effect Of Solvent ◽  
Two Component ◽  
Exclusion Effect

Layered structure in compatible binary polymer brushes with high graft density: A computer simulation study

2010 ◽  
Vol 132 (4) ◽  
pp. 044903 ◽  
Author(s):  
Yao-Hong Xue ◽  
Hong Liu ◽  
Zhong-Yuan Lu ◽  
Xue-Zhang Liang
Keyword(s):  
Computer Simulation ◽  
Simulation Study ◽  
Layered Structure ◽  
Polymer Brushes ◽  
Computer Simulation Study ◽  
Binary Polymer ◽  
Graft Density ◽  
Binary Polymer Brushes

Controlled Chain Length and Graft Density of Thermoresponsive Polymer Brushes for Optimizing Cell Sheet Harvest

2010 ◽  
Vol 11 (8) ◽  
pp. 1991-1999 ◽  
Author(s):  
Hironobu Takahashi ◽  
Masamichi Nakayama ◽  
Masayuki Yamato ◽  
Teruo Okano
Keyword(s):  
Chain Length ◽  
Polymer Brushes ◽  
Cell Sheet ◽  
Thermoresponsive Polymer ◽  
Graft Density

Spectroscopic Observations of Visual Double Stars

1965 ◽  
Vol 5 ◽  
pp. 109-111
Author(s):  
Frederick R. West
Keyword(s):  
Radial Velocity ◽  
High Dispersion ◽  
Velocity Difference ◽  
Spectrograph Slit ◽  
Spectroscopic Observations ◽  
Double Stars ◽  
Visual Double Stars ◽  
Relative Orbit ◽  
Two Component ◽  
Star Images

There are certain visual double stars which, when close to a node of their relative orbit, should have enough radial velocity difference (10-20 km/s) that the spectra of the two component stars will appear resolved on high-dispersion spectrograms (5 Å/mm or less) obtainable by use of modern coudé and solar spectrographs on bright stars. Both star images are then recorded simultaneously on the spectrograph slit, so that two stellar components will appear on each spectrogram.

A technique for protecting delicate specimens during processing

1989 ◽  
Vol 47 ◽  
pp. 982-983
Author(s):  
R.J. Mount ◽  
R.V. Harrison
Keyword(s):  
Basilar Membrane ◽  
Low Cost ◽  
Organ Of Corti ◽  
Region Of Interest ◽  
Sensory Epithelium ◽  
Physical Damage ◽  
Air Drying ◽  
Specimen Handling ◽  
Two Component

The sensory end organ of the ear, the organ of Corti, rests on a thin basilar membrane which lies between the bone of the central modiolus and the bony wall of the cochlea. In vivo, the organ of Corti is protected by the bony wall which totally surrounds it. In order to examine the sensory epithelium by scanning electron microscopy it is necessary to dissect away the protective bone and expose the region of interest (Fig. 1). This leaves the fragile organ of Corti susceptible to physical damage during subsequent handling. In our laboratory cochlear specimens, after dissection, are routinely prepared by the O-T- O-T-O technique, critical point dried and then lightly sputter coated with gold. This processing involves considerable specimen handling including several hours on a rotator during which the organ of Corti is at risk of being physically damaged. The following procedure uses low cost, readily available materials to hold the specimen during processing ,preventing physical damage while allowing an unhindered exchange of fluids.Following fixation, the cochlea is dehydrated to 70% ethanol then dissected under ethanol to prevent air drying. The holder is prepared by punching a hole in the flexible snap cap of a Wheaton vial with a paper hole punch. A small amount of two component epoxy putty is well mixed then pushed through the hole in the cap. The putty on the inner cap is formed into a “cup” to hold the specimen (Fig. 2), the putty on the outside is smoothed into a “button” to give good attachment even when the cap is flexed during handling (Fig. 3). The cap is submerged in the 70% ethanol, the bone at the base of the cochlea is seated into the cup and the sides of the cup squeezed with forceps to grip it (Fig.4). Several types of epoxy putty have been tried, most are either soluble in ethanol to some degree or do not set in ethanol. The only putty we find successful is “DUROtm MASTERMENDtm Epoxy Extra Strength Ribbon” (Loctite Corp., Cleveland, Ohio), this is a blue and yellow ribbon which is kneaded to form a green putty, it is available at many hardware stores.

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