摘要:
The invention provides a pharmaceutical composition for oral drug delivery comprising a solid dosage form containing an effective amount of a therapeutic agent, a permeation enhancer and a pharmaceutically acceptable excipient and a bioadhesive layer containing a bioadhesive polymer, and optionally comprising an impermeable or semi-permeable layer having an opening capable of directing a unidirectional release of the therapeutic agent and the permeation enhancer from the solid dosage form. Methods of making and using the present pharmaceutical composition are also provided.
摘要:
The present invention provides a minimally invasive, disposable, self- powered, patch-like drug delivery device. The device generally comprises a microneedle; a drug reservoir in fluid communication with the microneedle and comprising a drug to be administered; a pressure chamber in gas communication with the drug reservoir and comprising a liquid medium; a trigger for initiating a chemical reaction in the pressure chamber; and a plunger disposed in the drug reservoir, adapted to move unidirectionally in response to a pressure increase in the pressure chamber and to insulate the drug in the drug reservoir from a reactant and/or a product of the chemical reaction. Kits and methods for using the device are also provided.
摘要:
A screen printing method and apparatus is provided for emulating textured brushstrokes on prints that have been previously printed. The screen printing system and process include steps of forming the screen by providing a mesh (14) with a thread count between 86 and 230 threads per inch, applying emulsion (12) having a thickness between 50 and 200 microns to the mesh (14), positioning an image film (18) adjacent the emulsion, exposing the emulsion to a light source (22), removing non-hardened areas of emulsion from the mesh to form image openings (24a). The method also involves selecting appropriate ink formulations, preparing the squeegee/floodbar, and various press mechanics.
摘要:
The present invention provides calcium phosphate nano-particles encapsulated with biologically active macromolecules. The particles may be used as carriers of biologically active macromolecule for delivery of the macromolecules. The invention also provides methods of making and using the particles.
摘要:
A method and apparatus for producing prints. The method comprises positioning a mesh having a first surface and a second surface and a thread count between approximately 86 and approximately 230 threads per inch in a substantially rigid frame and applying a photo-chemically active emulsion to the first surface of the mesh to a thickness of between approximately 50 microns and approximately 200 microns. The first side of the mesh is positioned relative to a top side of a photosensitive substrate and an image film is positioned against the bottom side of the photosensitive substrate. The photo-chemically active emulsion is exposed through the image film to a light source, and non-hardened photo-chemically active emulsion is removed from the mesh. The first surface of the mesh is positioned above a top surface of a print substrate and ink is applied to the second surface of the mesh so that ink travels through the mesh and the areas in which the photo-chemically active emulsion has been removed and onto the top surface of the print substrate.
摘要:
The invention provides a pharmaceutical composition for oral drug delivery comprising a solid dosage form containing an effective amount of a therapeutic agent, a permeation enhancer and a pharmaceutically acceptable excipient and a bioadhesive layer containing a bioadhesive polymer, and optionally comprising an impermeable or semi-permeable layer having an opening capable of directing a unidirectional release of the therapeutic agent and the permeation enhancer from the solid dosage form. Methods of making and using the present pharmaceutical composition are also provided.
摘要:
The present invention provides novel calcium phosphate nanoparticles suitable for efficient encapsulation of biologically active molecules. The invention further provides pharmaceutical compositions comprising these nanoparticles, as well as methods of making such nanoparticles and using them as carriers for therapeutic delivery of biologically active macromolecules.
摘要:
The present invention provides a conjugate comprising a chemotherapeutic agent (such as an anti-tumor drug) conjugated to a water soluble polyamino acid polymer, wherein the water soluble polyamino acid polymer is conjugated to a hydrophilic polymer such as polyethylene glycol. The present invention also provides a pharmaceutical composition comprising such a conjugate. Methods of making the pharmaceutical composition and methods of using the pharmaceutical composition for treating diseases and coating implantable medical devices are also provided.
摘要:
The present invention provides calcium phosphate nano-particles encapsulated with biologically active macromolecules. The particles may be used as carriers of biologically active macromolecule for delivery of the macromolecules. The invention also provides methods of making and using the particles.
摘要:
The present invention provides a conjugate comprising a chemotherapeutic agent (such as an anti-tumor drug) conjugated to a water soluble polyamino acid polymer, wherein the water soluble polyamino acid polymer is conjugated to a hydrophilic polymer such as polyethylene glycol. The present invention also provides a pharmaceutical composition comprising such a conjugate. Methods of making the pharmaceutical composition and methods of using the pharmaceutical composition for treating diseases and coating implantable medical devices are also provided.