Search Results - "Ketelson, Howard"
-
1
Temperature-Induced Transitions in the Structure and Interfacial Rheology of Human Meibum
Published in Biophysical journal (18-01-2012)“…Meibomian lipids are the primary component of the lipid layer of the tear film. Composed primarily of a mixture of lipids, meibum exhibits a range of melt…”
Get full text
Journal Article -
2
Effects of a Hyaluronic Acid/Hydroxypropyl Guar Artificial Tear Solution on Protection, Recovery, and Lubricity in Models of Corneal Epithelium
Published in Journal of ocular pharmacology and therapeutics (01-10-2015)“…Hydroxypropyl guar (HPG) and hyaluronic acid (HA) have been individually shown to improve dry eye symptoms. The purpose of this in vitro study was to assess…”
Get more information
Journal Article -
3
Biophysical and morphological evaluation of human normal and dry eye meibum using hot stage polarized light microscopy
Published in Investigative ophthalmology & visual science (07-01-2014)“…To study melting characteristics and the morphology of human and mouse meibum. Hot stage cross-polarized light microscopy (HSPM) and immunohistochemical…”
Get full text
Journal Article -
4
Molecular Structure of Interfacial Human Meibum Films
Published in Langmuir (14-08-2012)“…Meibum is the primary component of the tear film lipid layer. Thought to play a role in tear film stabilization, understanding the physical properties of…”
Get full text
Journal Article -
5
The interfacial viscoelastic properties and structures of human and animal Meibomian lipids
Published in Experimental eye research (01-05-2010)“…As the interface between the aqueous layer of the tear film and air, the lipid layer plays a large role in maintaining tear film stability. Meibomian lipids…”
Get full text
Journal Article -
6
Temperature-Induced Transitions in the Structure and Interfacial Rheology of Human Meibum
Published in Biophysical journal (05-12-2017)Get full text
Journal Article -
7
Effect of Lysozyme Adsorption on the Interfacial Rheology of DPPC and Cholesteryl Myristate Films
Published in Langmuir (21-10-2008)“…A model tear film lipid layer composed of a binary mixture of cholesteryl myristate (CM) and 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) was…”
Get full text
Journal Article -
8
Precorneal residence time of artificial tears measured in dry eye subjects
Published in Optometry and vision science (01-08-2008)“…The purpose of this investigation was to measure the precorneal residence time of saline and five marketed artificial tears in dry eye subjects using…”
Get full text
Journal Article -
9
Dynamic wettability properties of a soft contact lens hydrogel
Published in Colloids and surfaces, B, Biointerfaces (15-01-2005)“…The wettability of poly[2-hydroxyethyl methacrylate-co-methacrylic acid] (pHEMA-MAA) soft contact lenses was investigated in the absence and presence of block…”
Get full text
Journal Article -
10
Insertion Mechanism of a Poly(ethylene oxide)-poly(butylene oxide) Block Copolymer into a DPPC Monolayer
Published in Langmuir (20-09-2011)“…Interactions between amphiphilic block copolymers and lipids are of medical interest for applications such as drug delivery and the restoration of damaged cell…”
Get full text
Journal Article -
11
Interfacial Dilatational Viscoelasticity of Human Meibomian Lipid Films
Published in Current eye research (01-08-2013)“…Abstract Purpose/Aim: The meibomian lipid layer is able to withstand the enormous stresses and deformations that occur during blinking due to the combination…”
Get full text
Journal Article -
12
Relieving the symptoms of dry eye disease: update on lubricating eye drops containing hydroxypropyl-guar
Published in Clinical and experimental optometry (17-11-2021)“…Hydroxypropyl-guar (HPG) is a thickening agent first added to lubricating eye drops in 2003. This agent, which enhances viscosity, has been used in the…”
Get full text
Journal Article -
13
Weak Gelation of Hydrophobic Guar by Albumin in Simulated Human Tear Solutions
Published in Biomacromolecules (08-12-2014)“…This initial study shows that hydrophobic modification of guar polymers used in eye drops forms weak gels with human serum albumin (HSA), suggesting that…”
Get full text
Journal Article -
14
Bacterial biofilm in silver-impregnated contact lens cases
Published in Contact lens & anterior eye (01-08-2020)“…This study investigated the efficacy of pre-conditioning lens cases on bacterial biofilm formation and removal. Silver impregnated (MicroBlock / ProGuard™ &…”
Get full text
Journal Article -
15
Colloidal Stability of Stöber Silica in Acetone
Published in Langmuir (06-03-1996)“…The colloidal stability of Stöber silica dispersed in acetone (99.7 wt %) was investigated and compared to the results obtained in water using electrophoresis…”
Get full text
Journal Article -
16
On formulating ophthalmic emulsions
Published in Colloids and surfaces, B, Biointerfaces (01-10-2014)“…•Newest eye drops often contain emulsified lipids.•Water-soluble polymers can stabilize or destabilize ophthalmic emulsions.•Emulsions have a lower tolerance…”
Get full text
Journal Article -
17
Colloidal Silica-Bearing Hydrosilane Groups
Published in Chemistry of materials (01-07-1995)Get full text
Journal Article -
18
Ethylene oxide-block-butylene oxide copolymer uptake by silicone hydrogel contact lens materials
Published in Applied surface science (15-05-2013)“…► Silicone hydrogel materials were examined following copolymer solution treatments. ► Both surface adsorption and bulk absorption of the copolymer was…”
Get full text
Journal Article -
19
Hydridosilsesquioxane Modified Silica-Supported Platinum Nanoparticles
Published in Chemistry of materials (12-09-1996)Get full text
Journal Article -
20
Charge regulation enables anionic hydroxypropyl guar-borate adsorption onto anionic and cationic polystyrene latex
Published in Journal of colloid and interface science (15-01-2011)“…Charge density on labile polyelectrolyte decreases near an anionic surface. [Display omitted] ► Borate ions bind to hydroxypropyl guar (HPG) converting a…”
Get full text
Journal Article