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Lipodsin-Ab™ is a protein transfection reagent dedicated to the transport of antibodies directly into living cells. Lipodsin-Ab™ offers a new specific tool for studying molecular mechanisms in living cells by intracellular delivery of neutralizing or activating probes. Lipodsin-Ab™ is a lipid-based formulation optimized for antibody delivery that is added to the antibody solution minutes before cell delivery. Within few hours, antibody staining can be observed in living or fixed cells. Regardless of serum addition, Lipodsin-Ab™ is ideal for staining intracellular proteins without fixation in established cell lines and primary cells, including neurons. Antibody Delivery Applications for Lipodsin-Ab™ Lipodsin-Ab can be used in various functional studies for cell signaling and apoptotic assays, protein-protein interaction, protein localization and compartment shuttling. When the antibody is conjugated to a fluorescent dye, the functional assay can be carried out in living cells under multiple treatments with a single sample. Lipodsin-Ab successfully delivered numerous antibodies in a wide variety of cells: monoclonal and polyclonal antibodies from human, mouse, rabbit and rat origins, unconjugated or labeled with FITC, TRITC, AlexaFluor®488 and AlexaFluor®546. Standard cell lines and primary cells were successfully assayed for Lipodsin-Ab reagent. Advantages over current antibody delivery techniques include: • Unique reagent dedicated to antibody • No need for cell fixation protocol • Serum compatible, no cytotoxicity and biodegradable • Easy 2-step protocol with ready-to-use reagents • Deliver functionally active antibody within hours • High delivery efficiency with stable cell lines and primary cellsLipodsin-Ab is an optimized formulation of lipids able to capture antibodies through electrostatic and hydrophobic interactions. There is no need for covalent linkage procedure, Lipodsin-Ab is directly mixed with the antibody of interest for 10 minutes. The mixture is then added to the cells in culture, the lipid-antibody complexes are internalized by the cells and the antibodies are released into the cytoplasm within few hours without any cytotoxicity. The formulation of Lipodsin-Ab is fully biodegradable maintaining high cell viability upon delivery. The antibodies delivered inside the cells with Lipodsin-Ab retain both their structure and function.

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Product #	l-3317
Storage Temp	4°C

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