Friction studies of hydrogel contact lenses using AFM: Non-crosslinked polymers of low friction at the surface

Biomaterials

Volumn 22, Issue 24, 2001, Pages 3285-3294

  Kim, Seong Han ^a   Marmo, Chris ^b   Somorjai, Gabor A ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b Ocular Sciences Inc   (United States)

Author keywords

AFM; Contact lens; Friction; Hydrogel; Poly(2 hydroxyethyl methacrylate)

Indexed keywords

ADHESIVES; ATOMIC FORCE MICROSCOPY; HYDROGELS; POLYMERS;

SALINE SOLUTION;

CONTACT LENSES;

2 HYDROXYETHYL METHACRYLATE; POLYMACON;

ARTICLE; ATOMIC FORCE MICROSCOPY; CONTACT LENS; HYDROGEL; PRIORITY JOURNAL; SURFACE PROPERTY;

ADHESIVENESS; BIOCOMPATIBLE MATERIALS; CONTACT LENSES, HYDROPHILIC; DESICCATION; FRICTION; HYDROGELS; MATERIALS TESTING; METHANOL; MICROSCOPY, ATOMIC FORCE; POLYHYDROXYETHYL METHACRYLATE; POLYMERS; SODIUM CHLORIDE; SURFACE PROPERTIES; WATER;

EID: 0035892447     PISSN: 01429612     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0142-9612(01)00175-2     Document Type: Article

References (43)

1. Hydrophilic gels for biological use
2. Wettability of hydrogels. 1. poly(2-hydroxyethyl methacrylate)
3. Water wettability of hydrogels
4. Wettability and zeta-potentials of a series of methacrylate polymers and copolymers
5. Characterization of hydrophilic-hydrophobic polymeric surfaces by contact-angle measurements
6. On the wettability of poly(2-hydroxyethyl methacrylate)
7. Effects of low levels of methacrylic acid on the swelling behavior of poly(2-hydroxyethyl methacrylate)
8. Water properties of hydrogel contact lens materials; a possible predictive model for corneal desiccation staining
9. Investigation of hydrogel water in polyelectrolyte gels using differential scanning calorimetry
10. Proton NMR relaxation in hydrogel contact lenses; correlation with in vivo lens dehydration data
11. Water in hydrogels. A study of water in poly(hydroxyethyl methacrylate)
12. Fourier transform infrared study of poly(2-hydroxyethyl methacrylate) pHEMA
13. Determination of the oxygen transmissibility and permeability of hydrogel contact lenses
14. A potentiostatic study of oxygen transmissibility and permeability through hydrogel membranes
15. Oxygen transfer in the corneal-contact lens system
16. Critical oxygen levels to avoid corneal edema for daily and extended wear contact lenses
17. Water-dissolved-oxygen permeability coefficients of hydrogel contact lenses and boundary-layer effects
18. Mechanical behavior of hydroxyalkyl methacrylate polymers and copolymers
19. Effects of various salts on the mechanical properties of homogeneous poly(2-hydroxyethyl methacrylate) hydrogels
20. Viscoelastic behavior of glass-bead filled crosslinked polymers in the dry and swollen states
21. The relationship between contact lens oxygen permeability and binding of Pseudomonas aeruginosa to human corneal epithelial cells after overnight and extended wear
22. Irreversible adsorption of human serum albumin to hydrogel contact lenses; a study using electron spin resonance spectroscopy
23. Lysozyme sorption in hydrogel contact lenses
24. Human serum albumin adsorption on hydrogel contact lenses in vitro
25. Modulation of bacterial adhesion to hydrogel contact lenses by albumin
26. Disposable contact lenses and bacterial adhesion: in vitro comparison between ionic/high-water-content and non-ionic/low-water-content lenses
27. Surface chemical structure for soft contact lenses as a function of polymer processing
28. Artificial tear adsorption on soft contact lenses; methods to test surfactant efficiency
29. Characterization of lacrymal component accumulation on worn soft contact lens surfaces by atomic force microscopy
30. Imaging surfaces of unworn and worn hydrophilic contact lenses with the atomic force microscope
31. Calibration of frictional forces in atomic force microscopy
32. Chemical force microscopy-exploiting chemically-modified tips to quantify adhesion, friction, and functional-group distributions in molecular assemblies
33. Probing biopolymers with scanning force methods-adsorption, structure, properties, and transformation of gelatin on mica
34. Observation of surface rearrangement of polymers using ESCA
35. Probing the surface structural rearrangement of hydrogels by sum-frequency generation spectroscopy
36. Surface mobility of grafted hydrogels
37. Hydrophobic interaction in poly(2-hydroxyethyl methacrylate) homogeneous hydrogel