Search Results - "Ketelson, Howard"

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  1. 1

    Temperature-Induced Transitions in the Structure and Interfacial Rheology of Human Meibum by Leiske, Danielle L., Leiske, Christopher I., Leiske, Daniel R., Toney, Michael F., Senchyna, Michelle, Ketelson, Howard A., Meadows, David L., Fuller, Gerald G.

    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…”
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  2. 2

    Effects of a Hyaluronic Acid/Hydroxypropyl Guar Artificial Tear Solution on Protection, Recovery, and Lubricity in Models of Corneal Epithelium by Rangarajan, Rekha, Kraybill, Brian, Ogundele, Abayomi, Ketelson, Howard A

    “…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…”
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  3. 3

    Biophysical and morphological evaluation of human normal and dry eye meibum using hot stage polarized light microscopy by Butovich, Igor A, Lu, Hua, McMahon, Anne, Ketelson, Howard, Senchyna, Michelle, Meadows, David, Campbell, Elaine, Molai, Mike, Linsenbardt, Emily

    “…To study melting characteristics and the morphology of human and mouse meibum. Hot stage cross-polarized light microscopy (HSPM) and immunohistochemical…”
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  4. 4

    Molecular Structure of Interfacial Human Meibum Films by Leiske, Danielle L, Miller, Chad E, Rosenfeld, Liat, Cerretani, Colin, Ayzner, Alexander, Lin, Binhua, Meron, Mati, Senchyna, Michelle, Ketelson, Howard A, Meadows, David, Srinivasan, Sruthi, Jones, Lyndon, Radke, Clayton J, Toney, Michael F, Fuller, Gerald G

    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…”
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    The interfacial viscoelastic properties and structures of human and animal Meibomian lipids by Leiske, Danielle L., Raju, Shiwani R., Ketelson, Howard A., Millar, Thomas J., Fuller, Gerald G.

    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…”
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    Effect of Lysozyme Adsorption on the Interfacial Rheology of DPPC and Cholesteryl Myristate Films by Nishimura, Stefanie Y, Magana, Giovanni Mata, Ketelson, Howard A, Fuller, Gerald G

    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…”
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    Precorneal residence time of artificial tears measured in dry eye subjects by Paugh, Jerry R, Nguyen, Andrew Loc, Ketelson, Howard A, Christensen, Mike T, Meadows, David L

    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…”
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  9. 9

    Dynamic wettability properties of a soft contact lens hydrogel by Ketelson, Howard A., Meadows, David L., Stone, Ralph P.

    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…”
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  10. 10

    Insertion Mechanism of a Poly(ethylene oxide)-poly(butylene oxide) Block Copolymer into a DPPC Monolayer by Leiske, Danielle L, Meckes, Brian, Miller, Chad E, Wu, Cynthia, Walker, Travis W, Lin, Binhua, Meron, Mati, Ketelson, Howard A, Toney, Michael F, Fuller, Gerald G

    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…”
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  11. 11

    Interfacial Dilatational Viscoelasticity of Human Meibomian Lipid Films by Raju, Shiwani R., Palaniappan, Chendur K., Ketelson, Howard A., Davis, James W., Millar, Thomas J.

    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…”
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  12. 12

    Relieving the symptoms of dry eye disease: update on lubricating eye drops containing hydroxypropyl-guar by Garofalo, Renee, Kunnen, Carolina, Rangarajan, Rekha, Manoj, Venkiteshwar, Ketelson, Howard

    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…”
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  13. 13

    Weak Gelation of Hydrophobic Guar by Albumin in Simulated Human Tear Solutions by Mafi, Roozbeh, Pelton, Robert, Cui, Yuguo, Ketelson, Howard

    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…”
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  14. 14

    Bacterial biofilm in silver-impregnated contact lens cases by Vijay, Ajay Kumar, Zhu, Hua, Willcox, Mark, Ketelson, Howard, Stapleton, Fiona

    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™ &…”
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    Colloidal Stability of Stöber Silica in Acetone by Ketelson, Howard A, Pelton, Robert, Brook, Michael A

    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…”
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  16. 16

    On formulating ophthalmic emulsions by Mafi, Roozbeh, Gray, Cameron, Pelton, Robert, Ketelson, Howard, Davis, James

    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…”
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    Ethylene oxide-block-butylene oxide copolymer uptake by silicone hydrogel contact lens materials by Huo, Yuchen, Ketelson, Howard, Perry, Scott S.

    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…”
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    Charge regulation enables anionic hydroxypropyl guar-borate adsorption onto anionic and cationic polystyrene latex by Zhang, Liang, Pelton, Robert, Ketelson, Howard, Meadows, David

    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…”
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