Abstract:
The invention provides a method for washing, with a water-based system, reusable molds for making silicone hydrogel contact lenses. The water-based washing system comprises an ethoxylated silicone polyether surfactant. The water-based system of the invention can effectively wash away silicone-containing components and other components of a lens formulation left behind on the molding surfaces of a reusable mold, after removing a silicone hydrogel contact lens cast molded in the reusable mold.
Abstract:
A cost-effective method for making a silicone hydrogel contact lens has a crosslinked hydrophilic coating applied thereon. The method involves heating a silicone hydrogel contact lens in an aqueous solution in the presence of a water-soluble, highly branched, thermally- crosslinkable hydrophilic polymeric material having positively-charged azetidinium groups, and at a temperature from 40 Centigrade to 140 Centigrade for a period of time sufficient to covalently attach the thermally-crosslinkable hydrophilic polymeric material onto the surface of the silicone hydrogel contact lens through covalent linkages each formed between one azetidinium group and one of the reactive functional groups on and/or near the surface of the silicone hydrogel contact lens, thereby forming a crosslinked hydrophilic coating on the silicone hydrogel contact lens. Such method can be advantageously implemented directly in a sealed lens package during autoclave.
Abstract:
Small molecule bradykinin inhibitor bisphosphonate amide derivatives useful for inhibiting cancer growth and treating cancer residing in and around bone are disclosed. These compounds and pharmaceutical compositions containing these compounds are particularly useful for the treatment of prostate cancer bone metastases.
Abstract:
A method for producing silicone hydrogel contact lenses and silicon hydrogel contact lens thereof. The method comprising the steps of: providing a mold for making a soft contact lens, wherein the mold has a first mold half with a first molding surface defining the anterior surface of a contact lens and a second mold half with a second molding surface defining the posterior surface of the contact lens, wherein said first and second mold halves are configured to receive each other such that a cavity is formed between said first and second molding surfaces; introduce a monomer mixture of lens-forming materials into the cavity, wherein the monomer mixture comprises at least one hydrophilic amide-type vinylic monomer, at least one siloxane-containing (meth)acrylamide monomer, at least one polysiloxane vinylic monomer or macromer, and from about 0.05 % to about 1.5 % by weight of a photoinitiator, wherein the lens forming material is characterized by having an ability to be cured by a UV light having an UV-intensity of about 4.1 mW/cm 2 within about 100 seconds; and irradiating, under a spatial limitation of actinic radiation, the lens-forming material in the mold for a time period of about 120 seconds or less, so as to crosslink the lens-forming material to form the silicone hydrogel contact lens, wherein the produced contact lens comprises an anterior surface defined by the first molding surface, an opposite posterior surface defined by the second molding surface, and a lens edge defined by the spatial limitation of actinic radiation.
Abstract:
The present invention relates to compositions and methods for modulating osteomimicry within tumor and tissue cells with calcification potential. The invention further relates to screening compounds that modulate osteomimicry within tumor and tissue cells with calcification potential. Methods for using compounds identified by the screening assays for therapeutic treatments also are provided. The invention further relates to methods of treating those tumors and other diseases and disorders with calcification potential with compounds that modulate their osteomimetic potential.
Abstract:
Described herein is a cost-effective and time-efficient method for making UV-absorbing contact lenses. In contrast to the conventional method for making UV-absorbing contact lenses which involves copolymerizing a lens forming composition including a UV-absorbing vinylic monomer, a method of the invention involves covalent attachment of a UV-absorbing compound having a second reactive functional group to a preformed contact lens having a first reactive functional group therein and/or thereon.
Abstract:
The present invention relates to compositions and methods for modulating osteomimicry within tumor and tissue cells with calcification potential. The invention further relates to screening compounds that modulate osteomimicry within tumor and tissue cells with calcification potential. Methods for using compounds identified by the screening assays for therapeutic treatments also are provided. The invention further relates to methods of treating those tumors and other diseases and disorders with calcification potential with compounds that modulate their osteomimetic potential.
Abstract:
The invention provide a class of water-processable polymerizable prepolymers which comprises (1) siloxane-containing monomeric units derived at least one siloxane containing monomer having one hydrophilic group or chain and/or polysiloxane-containing crosslinking units derived from at least one hydrophilized polysiloxane or chain-extended polysiloxane crosslinker; (2) hydrophilic monomeric units derived from one or more hydrophilic vinylic monomers; and (3) from about 0.05% to about 5% by weight of polymerizable units each having a pendant or terminal, ethylenically-unsaturated group and free of any polysiloxane segment. The prepolymer comprises from about 20% to about 50% by weight of silicone relative to the total weight of the prepolymer and has a high water solubility or dispersibility of at least about 5% by weight in water and suitable for making silicone hydrogel contact lenses.
Abstract:
The invention provides a cost-effective method for making a silicone hydrogel contact lens having a hydrophilic coating thereon that is covalently attached to the lens and has a good hydrophilicity, intactness and durability. The invention also provides a silicone hydrogel contact lenses having a hydrophilic coating consisting of a prime coating covalently attached to the contact lens and a top coating covalently attached to the prime coating.
Abstract:
The invention provides a cost-effective method for applying a hydrophilic coating onto a silicone hydrogel contact lens based on Fenton chemistry. The hydrophilic coating is covalently attached onto the contact lens at room temperature without UV irradiation. The invention also provides a silicone hydrogel contact lenses having a hydrophilic coating obtained according to the method of the invention.