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A fusogenic liposome composition for delivering a liposome-entrapped compound into the cytoplasm of a target cell is described. The liposomes have an outer surface coating of chemically releasable hydrophilic polymer chains which shield hydrophobic polymers on the liposome outer surface. Release of the hydrophilic polymer chains exposes the hydrophobic polymers for interaction with outer cell membranes of the target cells to promote fusion of the liposome with the target cells. Also disclosed is a method for using the composition to deliver a compound to target cells, and a method for selecting suitable hydrophobic polymers for use in the composition.
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Do phospholipids spontaneously form Liposomes in Nonpolar solvents?
No-- Liposomes are only formed in polar solvents (i.e. water)
Liposomes are characteristic of what type of lipid?
Phospholipid
What is the medical use of liposomes?
Liposomes are used commonly in medicine these days. A liposome can be used somewhat like a vehicle for transfer of drugs or nutrients. Many drugs are considered liposomal drugs.
When phospholipids are placed in a liquid environment they form?
They form droplets called LIPOSOMES.
What has the author Shanna Blomme written?
Shanna Blomme has written: 'The hemotoxicity of liposomes'
When water mixed with water?
they form small balloonlike structures called liposomes
When phospholipid molecules are mixed with water they form small balloon structures called?
Liposomes
What is the liposome function?
Liposomes are spherical-shaped vesicles that can be created from cholesterol and natural non-toxic phospholipids, and their structure is similar to cell membranes. Liposomes have attracted attention as a carrier system for therapeutically active agents, owing to their unique characteristics, including biocompatibility, self-assembly capabilities, scalability, as well as a broad range of physical and chemical properties. The advent of liposomes marks an unparalleled opportunity to advance the treatment of a variety of diseases, including cancer. Creative Biolabs could help researchers explore more functions of liposomes. Visit Creative Biolabs for more information.
How are healthy genes transferred?
the two ways genes can be transferred into cells by using viruses and liposomes as vectors.
What is the function of a liposome?
Liposomes are nanometer size phospholipid vesicle containing aqueous phase inside its cavity. This hydrophobic phospholipid layer and the aqueous cavity can be used to load hydrophobic and hydrophilic drugs respectively.
What was liposome designed for?
Liposomes are spherical-shaped vesicles that can be created from cholesterol and natural non-toxic phospholipids, and their structure is similar to cell membranes. Liposomes have attracted attention as a carrier system for therapeutically active agents, owing to their unique characteristics, including biocompatibility, self-assembly capabilities, scalability, as well as a broad range of physical and chemical properties. Liposomes have shown great therapeutic potential as carriers for payloads and for delivery to targeted sites, which has led to several liposomal formulations designed for the preclinic and clinical trials, with applications ranging from cancer chemotherapy to gene therapy. Liposomes are used as models for artificial cells. Liposomes can also be designed to deliver drugs in other ways. Liposomes that contain low (or high) pH can be constructed such that dissolved aqueous drugs will be charged in solution (i.e., the pH is outside the drug's pI range). Creative Biolabs provides services for the development of liposome pharmaceutical formulations for the pharmaceutical/biotechnology industry. We have strong and extensive expertise and years of experience in the field of drug delivery and lipid biophysics.
What has the author Guru V Betageri written?
Guru V. Betageri has written: 'Liposome drug delivery systems' -- subject(s): Drugs, Liposomes, Vehicles
