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Bioresponsive Targeted Charge Neutral Lipid Vesicles for Systemic Gene Delivery Protocol - http://www.cshprotocols.org/cgi/content/short/2006/1/pdb.prot4450

Category: Gene Delivery Protocols: DNA Nanoparticles Protocols

This protocol describes a stepwise procedure to prepare nucleic acids encapsulated in a polyethylene glycol (PEG)-shielded nanolipoparticle (NLP) that contain a bioresponsive lipid and ligand. This process provides several advantages for systemic gene delivery. The in vivo circulation time is extended. Also, low pH-sensitive lipids enhance DNA unpacking and endosomal escape. Finally, ligands inserted into the NLP surface can target gene delivery to specific tissues or cells in vivo. - [Read Bioresponsive Targeted Charge Neutral Lipid Vesicles for Systemic Gene Delivery Protocol]

Extraction of Calf Brain Lipids Protocol - http://www.bio.com/protocolstools/protocol.jhtml?id=p1281

Category: Lipid Protocols

Protocol for the extraction of calf brain lipids. Protocol describes a rapid method to isolate lipids from bovine brain tissue using an organic solvent mixture of Chloroform and Methanol. - [Read Extraction of Calf Brain Lipids Protocol]

Fixing Attached Cells in Organic Solvents Protocol - http://www.cshprotocols.org/cgi/content/extract/2006/21/pdb.prot4293

Category: Cell Culture Protocols: Cell Fixing Protocols

Organic solvents such as alcohols and acetone remove lipids and dehydrate cells, precipitating the proteins on the cellular architecture. Be aware that different antigens may be affected differently by the various solvents. If no previous data are available for your antigen, start with the 50/50 mixture. For tissue culture dishes, concentrations of acetone higher than 50% will destroy the integrity of the plastic. - [Read Fixing Attached Cells in Organic Solvents Protocol]

Lipoplex and LPD Nanoparticles for In Vivo Gene Delivery Protocol - http://www.cshprotocols.org/cgi/content/abstract/2006/1/pdb.prot4448

Category: Gene Delivery Protocols: DNA Nanoparticles Protocols

Lipoplex (cationic liposome-DNA complex) is formed via electrostatic interaction of anionic nucleic acids with cationic liposomes. A thin film of lipids is dried on the bottom of a glass tube and rehydrated in an aqueous solution. The resulting liposome suspension is passed through polycarbonate filters of desired pore size. This protocol also describes the preparation, physical properties, and biological activity of liposome-polycation-DNA (LPD) nanoparticles. - [Read Lipoplex and LPD Nanoparticles for In Vivo Gene Delivery Protocol]