Abstract:
Methods, apparatuses, and kits for fractionating complex mixtures of biological molecules are provided. In one aspect the methods provided include providing a series of different sorbents, introducing the complex mixture to the series of sorbents, contacting serially the complex mixture with each of the sorbents, and capturing biomolecular components from the complex mixture on the sorbents so that each of the sorbents captures a substantially unique subset of said plurality of biomolecular components.
Abstract:
The invention provides methods of monitoring the production of a target polypeptide by generating surface enhanced laser desorption/ionization mass spectral profiles of samples taken from multiple cell culture batches or of samples taken at different times from a given batch. The invention additionally provides methods for monitoring the purification of a target polypeptide from a mixture by generating surface enhanced laser desorption/ionization mass spectral profiles of samples taken at various times during a purification process. In addition, the invention relates to methods of identifying conditions that can be used in increasing the scale of a given purification process.
Abstract:
The invention encompasses the treatment of urinary incontinence, gastroesophageal reflux disease and the amelioration of skin wrinkles using biocompatible hydrophilic cationic microparticles and a cell adhesion promoter.
Abstract:
In relation to a chromatographic chip, for protein separation, a polymer surface is provided that has a first polymer layer, attached to a support surface, which can be anionic or cationic. To the first layer is attached a second polymer layer, characterized by an opposite charge.
Abstract:
This invention relates generally to modified porous solid supports and processes for the preparation and use of same. In particular, passivated porous supports are disclosed which are characterized by a reversible high sorptive capacity substantially unaccompanied by non-specific adsorption of or interaction with biomolecules. Passivation is achieved by use of a passivation mixture comprising a main monomer, a passivating agent comprising polyethyleneimine, and a crosslinking agent, which mixture upon polymerization results in the substantial elimination of the undesirable non-specific interaction with biomolecules.
Abstract:
The present invention concerns the use of microspheres for therapeutic embolization consisting of a hydrophilic acrylic copolymer coated with a cell adhesion promoter.
Abstract:
This invention relates generally to modified porous solid supports and processes for the preparation and use of same. In particular, passivated porous polymeric supports are disclosed which are characterized by a reversible high sorptive capacity substantially unaccompanied by non-specific adsorption of or interaction with biomolecules. Passivation is achieved by use of a passivation mixture comprising a main monomer, a passivating monomer that is different from the main monomer, and a crosslinking agent, which mixture upon polymerization results in the substantial elimination of the undesirable non-specific interaction with biomolecules.
Abstract:
A homogeneous composite polymer containing, in an interpenetrated form, 20% to 80% by weight of silica and 80% to 20% by weight of a three-dimensional crosslinked acrylic, vinyl and/or allyl copolymer comprising, in a copolymerized form, 98% to 70% by weight of at least one monofunctional acrylic, vinyl or allyl monomer and 2% to 30% by weight of a difunctional acrylic or allyl crosslinking monomer is useful in liquid chromatography.
Abstract:
A homogeneous composite polymer containing, in an interpenetrated form, 20% to 80% by weight of silica and 80% to 20% by weight of a three-dimensional crosslinked acrylic, vinyl and/or allyl copolymer comprising, in a copolymerized form, 98% to 70% by weight of at least one monofunctional acrylic, vinyl or allyl monomer and 2 % to 30% by weight of a difunctional acrylic or allyl crosslinking monomer is useful in liquid chromatography.
Abstract:
The present invention relates to the fields of molecular biology, combinatorial chemistry and biochemistry. Particularly, the present invention describes methods and kits for dynamically reducing the variance between analyte taken from complex mixtures.