Results 71 to 80 of about 18,728 (250)

Effects of stretching on the frictional stress of rubber [PDF]

open access: yes, 2017
In this paper, we report on new experimental results on the effects of in-plane surface stretching on the friction of Poly(DiMethylSiloxane) (PDMS) rubber with smooth rigid probes.
Chateauminois, Antoine   +2 more
core   +1 more source

Artificial Symbiosis for Bulk Production of Bacterial Cellulose Composites

open access: yesAdvanced Materials, EarlyView.
Co‐cultivation of the cellulose‐producing bacterium with the microalga enables bulk formation of bacterial cellulose under static incubation, with photosynthetically active oxygen‐generating sites throughout the medium. This symbiotic platform supports 3D cellulosic constructs with geometries dictated by the vessel shape.
Kui Yu   +7 more
wiley   +1 more source

Infiltrados corneales asociados al uso de lentes de contacto Corneal infiltrates associated with contact lens wear

open access: yesRevista Cubana de Oftalmología, 2001
Se estudiaron 15 pacientes que usan lentes de contacto rígidas, permeables al gas (LCRPG) y lentes de contacto blandas (LCB) que presentaron infiltrados corneales. Se realizó estudio microbiológico de las lesiones y seguimiento clínico de estos casos. En
Vivian Padrón Álvarez   +1 more
doaj  

Endotelite e ceratoneurite herpética Endothelitis and herpetic keratoneuritis

open access: yesRevista Brasileira de Oftalmologia, 2008
Relatamos um caso de endotelite que se expressou inicialmente como uma cerato-neurite em pacientes usuários de lente de contato gelatinosa e de inadequado uso de solução salina .
Gisela Garcia   +2 more
doaj   +1 more source

Advances in Halide Perovskites for Photon Radiation Detectors

open access: yesAdvanced Materials Technologies, EarlyView.
This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang   +3 more
wiley   +1 more source

Probing the nanohydrodynamics at liquid-solid interfaces using thermal motion

open access: yes, 2005
We report on a new method to characterize nano-hydrodynamic properties at the liquid/solid interface relying solely on the measurement of the thermal motion of confined colloids. Using Fluorescence Correlation Spectroscopy (FCS) to probe the diffusion of
Bocquet, L., Joly, L., Ybert, C.
core   +1 more source

Nanogels for pharmaceutical and biomedical applications and their fabrication using 3D printing technologies [PDF]

open access: yes, 2018
Nanogels are hydrogels formed by connecting nanoscopic micelles dispersed in an aqueous medium, which give an opportunity for incorporating hydrophilic payloads to the exterior of the micellar networks and hydrophobic payloads in the core of the micelles.
Cho, Hyunah   +2 more
core   +3 more sources

BLOC: Buildable and Linkable Organ on a Chip

open access: yesAdvanced Materials Technologies, EarlyView.
We developed a “Buildable and Linkable Organ on a Chip” (BLOC) that can construct diverse microphysiological systems (MPSs). The BLOC is standardized to the same size and has one of the functions of “Culture,” “Control,” or “Analysis.” Users can freely configure various MPSs, including developing perfusion, cytotoxicity analysis, and biochemical ...
Yusuke Kimura   +7 more
wiley   +1 more source

Graphene-Derivative Coatings for the Prevention of Opacification Due to Calcification of Hydrophilic Intraocular Lenses

open access: yesCrystals
The widespread use of hydrophilic intraocular lenses (IOLs) in eye surgery, fabricated by poly-2-(hydroxyethyl methacrylate) (PHEMA), has highlighted their calcification as a serious problem, implying that their surgical explantation is a rather risky ...
Panagiota D. Natsi   +5 more
doaj   +1 more source

Evaluation Of A New Silicone-Methane Polymer Contact Lens [PDF]

open access: yes, 1983
A new gas permeable contact lens is produced using a solid silicone core and a plasma polymer surface. This surface is hydrophilic and impermeable to macromolecules.
Koziol, Jeffrey E.   +2 more
core   +2 more sources

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