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7620442 Colonography on an unprepared colon  
A method for generating colonography images for colorectal screening of a patient. The patient is administered an amount of radiopaque stool marker which will enable stool present in the patient's...
7560110 Production and use of novel peptide-based agents with bispecific antibodies  
The present invention relates to a bi-specific antibody or antibody fragment having at least one arm that specifically binds a targeted tissue and at least one other arm that specifically binds a...
7422733 Linkable sialyl Lewis X analogs  
Disclosed herein is a class of linkable tetrasaccharide compounds that includes the amino phenyl glycoside of sialyl Lewis X (SLe X ) and related analogs. These compounds have conjugatable...
7368129 Amphiphilic materials and liposome formulations thereof  
Disclosed is a new structural class of amphiphilic molecules which incorporate a hydrophilic material or polymer attached, at spatially distinct sites, to at least two hydrophobic residues. Certain...
7358226 Ultrasonic concentration of drug delivery capsules  
Methods, compositions and apparatus for localized delivery of compounds are provided. In certain embodiments, radiation force is used to direct carriers to a target site, and additional radiation...
7329402 Methods of imaging and treatment  
Novel ultrasound methods comprising administering to a patient a targeted vesicle composition which comprises vesicles comprising a lipid, protein or polymer, encapsulating a gas, in combination...
7285289 Nanoparticle vaccines  
The present invention relates to nanoparticle vaccines comprised of a carrier, particularly polymerized lipids, having multiple copies of an antigen or combinations of different antigens displayed...
7217427 Polymersomes and related encapsulating membranes  
The present invention provides biocompatible vesicles comprising semi-permeable, thin-walled encapsulating membranes which are formed in an aqueous solution, and which comprise one or more...
7186399 Methods for targeted drug delivery  
A method for ligand-based binding of lipid encapsulated particles to molecular epitopes on a surface in vivo or in vitro comprises sequentially administering (a) a site specific ligand activated...
7179449 Enhanced ultrasound detection with temperature-dependent contrast agents  
Methods and devices for enhanced ultrasound detection based upon changing temperature and ultrasound reflectivity of a temperature-dependent contrast agent bound to an ultrasound target are...
7166297 Lipid-based drug delivery systems against parasitic infections  
The present invention is directed to a lipid-based delivery system for administration of an active drug substance selected from lysolipid derivatives which are particularly useful in the treatment...
7141235 Stabilized gas emulsion containing phospholipid for ultrasound contrast enhancement  
A gas emulsion forming composition comprising a dry, hollow, particulate, approximately microspherical material permeated with a gas or gas mixture, which upon dissolution in aqueous liquid forms a...
7138136 Agglomerated particles for aerosol drug delivery  
The invention provides a drug delivery vehicle for inhalation by a patient. The drug delivery vehicle comprises biocompatible particles between 0.1 and 1.0 microns in diameter, that are loaded with...
7138103 Use of bi-specific antibodies for pre-targeting diagnosis and therapy  
The present invention relates to targetable constructs which may be bound by a bi-specific antibody or antibody fragment having at least one arm that specifically binds construct. The targetable...
7108863 Liposome composition for improved intracellular delivery of a therapeutic agent  
A liposomal composition and a method of using the same for achieving intracellular delivery of a liposome-entrapped agent is described. The liposomes are composed of a pH sensitive lipid and...
7105151 Oxygen delivery agents and uses for the same  
The present invention describes, inter alia, oxygen delivery agents or blood substitutes comprising a fluorinated gas and a stabilizing material, uses for the oxygen delivery agents or blood...
7094424 Cationic lipid compositions targeting angiogenic endothelial cells  
Angiogenic endothelial cells are selectively targeted with lipid/DNA complexes or cationic liposomes containing a substance which affects the targeted cells by inhibiting or promoting their growth....
7083572 Therapeutic delivery systems  
Targeted therapeutic delivery systems comprising gas- or gaseous precursor-filled lipid microspheres comprising a therapeutic are described. Methods for employing such microspheres in therapeutic...
7083778 Ultrasound contrast agents and methods of making and using them  
Gas or air filled microbubble suspensions in aqueous phases usable as imaging contrast agents in ultrasonic echography. They contain surfactants and, optionally, hydrophilic stabilizers. The...
7078015 Ultrasound imaging and treatment  
Methods of and apparatus for preparing temperature activated gaseous precursor-filled liposomes are described. Gaseous precursor-filled liposomes prepared by these methods are particularly usefull...
7070801 Sugar-modified liposome and products comprising the liposome  
The present invention provides a sugar-modified liposome having a sugar chain bonded to its membrane surface, preferably through a linker protein, and having excellent absorption qualities,...
RE39146 Long-lasting aqueous dispersions or suspensions of pressure-resistant gas-filled microvesicles and methods for the preparation thereof  
One can impart outstanding resistance against collapse under pressure to gas-filled microvesicle used as contrast agents in ultrasonic echography by using as fillers gases whose solubility in...
7060291 Modular targeted liposomal delivery system  
A liposome including a fusogenic liposome, a linking moiety and a targeting moiety. The fusogenic liposome is a lipid bilayer encapsulating contents. The linking moiety is electrostatically bound...
7035681 Colonography of an unprepared colon  
A method for generating colonography images for colorectal screening of a patient. The patient is administered an amount of radiopaque stool marker which will enable stool present in the patient's...
7033574 Stable microbubbles suspensions injectable into living organisms  
Gas or air filled microbubble suspensions in aqueous phases usable as imaging contrast agents in ultrasonic echography. They contain laminarized surfactants and, optionally, hydrophilic...
7005120 Osmotically stabilized microbubble preparations  
A microbubble preparation formed of a plurality of microbubbles comprising a first gas and a second gas surrounded by a membrane such as a surfactant, wherein the first gas and the second gas are...
7001589 Composite nanospheres and their conjugates with biomolecules  
The invention concerns composite nanospheres having a diameter ranging between about 50 and 1000 nm plus or minus 5%, preferably between about 100 and 500 nm plus or minus 5% and advantageously...
6998108 Antibodies to p30 polypeptides and methods making and using same  
A novel ligand (p30) for herpes virus entry mediator, HVEM, is provided. p30 is useful for modulating immune responses and in inhibiting infection by herpes virus. Methods for treating subjects...
6991805 Temperature sensitive control of liposome-cell adhesion  
The present invention provides a liposomal composition for targeted delivery of drugs. The composition comprises poloxamer molecules and liposomes encapsulating one or more delivery agents. At...
6989153 Radiation sensitive liposomes  
The present invention relates to a radiation sensitive liposome, and the use of this liposome as carrier for therapeutic and diagnostic agent(s). In particular, the invention encompasses a...
6986902 Polyanionic polymers which enhance fusogenicity  
The present invention relates generally to the amphiphilic polyelectrolyte, poly(2-ethylacrylic acid) and covalently bonded lipids to generate Lipo-PEAA. These Lipo-PEAA are then used to make...
6979460 Vinyl ether lipids with cleavable hydrophlic headgroups  
A novel amphiphilic lipid compound having a cleavable, vinyl ether linked hydrophilic headgroup is described. Also described are liposomes containing the vinyl ether lipid compound, which may be...
6974589 Neutral-cationic lipid for nucleic acid and drug delivery  
A lipid represented by the formula: wherein each of R 1 and R 2 is an alkyl or alkenyl chain having between about 8 to about 24 carbon atoms; n=0–20; L is selected from the group consisting...
6958160 Self forming, thermodynamically stable liposomes and their applications  
A liposome suspension forms spontaneously upon adding a lipid composition to an aqueous solution. The liposomes include diacylglycerol-PEG compounds. The melting point of the diacylglycerol-PEG is...
6953569 Mixed gas microbubble compositions  
A microbubble preparation formed of a plurality of microbubbles comprising a first gas and a second gas surrounded by a membrane such as a surfactant, wherein the first gas and the second gas are...
6939531 Ultrasonic imaging system utilizing a long-persistence contrast agent  
A microbubble preparation formed of a plurality of microbubbles comprising a first gas and second gas surrounded by a membrane such as a surfactant, wherein the first gas and the second gas are...
6916488 Amphiphilic polymeric vesicles  
Vesicles made from amphiphilic copolymers are disclosed. The amphiphilic copolymers can be ABA copolymers, where one of A and B is hydrophilic and the other is hydrophobic. AB copolymers can also...
6896875 Mixable combination for generating a suspension of stable microbubbles for ultrasonic imaging  
Gas or air filled microbubble suspensions in aqueous phases usable as imaging contrast agents in ultrasonic echography. They contain laminarized surfactants and, optionally, hydrophilic...
6884407 Methods for diagnostic imaging involving the use of a contrast agent and a coronary vasodilator  
Improved methods for providing an image of an internal region of a patient, especially the cardiovascular region. Embodiments of the invention involve the administration to the patient of a...
6818227 Liposome composition and method for administration of a radiosensitizer  
A method for administering a radiosensitizer to a tumor site in a subject is described. The method includes preparing liposomes composed of a vesicle-forming lipid and a lipid-derivatized...
6808720 Charged lipids and uses for the same  
The present invention is directed to charged lipids, compositions comprising charged lipids, and the use of these compositions in drug delivery, targeted drug delivery, therapeutic imaging and...
6797257 Paramagnetic polymerized protein microspheres and methods of preparation thereof  
The present invention relates to a composition that includes gadolinium particles encapsulated in microsphere shells. The composition is suitable for use as a contrast agent with a plurality of...
6776761 Hollow microspheres with controlled fragility for medical use  
A composition for ultrasonic imaging is described having a microbubble population of controlled fragility. The microbubbles comprise an outer shell and a hollow core. The ratio of shell thickness...
6726925 Temperature-sensitive liposomal formulation  
A liposome contains an active agent and has a gel-phase lipid bilayer membrane comprising phospholipid and a surface active agent. The phospholipids are the primary lipid source for the lipid...
6716412 Methods of ultrasound treatment using gas or gaseous precursor-filled compositions  
The present invention describes, among other things, the surprising discovery that gaseous precursor filled compositions are profoundly more effective as acoustically active contrast agents when...
6676963 Ligand-targeted emulsions carrying bioactive agents  
A composition for use in delivering a bioactive agent to targeted tissues or cells comprises: (a) a site-specific targeting ligand; (b) a lipid encapsulated oil in water emulsion; and (c) a...
6627218 Cationic amphiphiles of cholesterol  
A stable aqueous dispersion which comprises a cationic lipid which is a molecule which comprises a cholesterol-derived lipophilic group, a linker bond which is hydrolyzable by cellular enzymes and...
6623722 Spray-drying microcapsules using an aqueous liquid containing a volatile liquid  
A process for forming microcapsules comprising (i) providing a solution of a protein in an aqueous solvent and (ii) spraying the said solution into a gas such that the aqueous solvent evaporates,...
6620404 Gaseous ultrasound contrast media and method for selecting gases for use as ultrasound contrast media  
Disclosed herein are agents for enhancing the contrast in an ultrasound image. These agents are extremely small bubbles, or “microbubbles,” comprised of specially selected gases. The...
6586001 Neutral lipopolymer and liposomal compositions containing same  
Liposomes containing PEG-substituted neutral lipopolymers provide similar circulation times to liposomes incorporating conventional, negatively charged PEG-substituted phospholipids. Use of the...
Matches 1 - 50 out of 152 1 2 3 4 >