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The present invention relates to the purification of immunoglobulins and the problem of providing a method for purifying an immunoglobulin in an efficient and cost-effective manner and with satisfactory purity and yield. In particular, the present invention addresses the aspect of the re-use of the rather cost-intensive chromatography materials, in particular the lifetime of the chromatography materials used in the capture step of the downstream process, and how this can be increased while reducing the technical complexity of the purification process.

The present invention relates to the purification of immunoglobulins and the problem of providing a method for purifying an immunoglobulin in an efficient and cost-effective manner and with satisfactory purity and yield. In particular, the present invention addresses the aspect of the re-use of the rather cost-intensive chromatography materials, in particular the lifetime of the chromatography materials used in the capture step of the downstream process, and how this can be increased while reducing the technical complexity of the purification process.

The present invention relates to a functional feed and an oral delivery system for delivery of bioactive macromolecules. The oral delivery system comprises ethylenediammonium alginate which is a vehicle for delivery of macromolecular drugs. The oral delivery system according to the present invention is particularly suitable for use in combination with functional feeds in fish.

Particle size measurement and material discrimination can be performed simultaneously with a less expensive configuration. A particle measuring apparatus includes: a first light source and a second light source that irradiate a sample containing particles of a predetermined material with parallel light; an imaging unit that captures a scattered light image of the particles by the parallel light emitted from the first light source, and a shadow image of the particles by the parallel light emitted from the second light source; and an image processing unit that performs material discrimination of the particles based on correspondence between scattered light intensity of the particles specified based on the scattered light image and a shadow size of the particles specified based on the shadow image, and a theoretical correlation curve showing a theoretical value of the correspondence of the particles, and calculates a particle size of the particles.

The present invention relates to the purification of immunoglobulins and the problem of providing a method for purifying an immunoglobulin in an efficient and cost-effective manner and with satisfactory purity and yield. In particular, the present invention addresses the aspect of the re-use of the rather cost-intensive chromatography materials, in particular the lifetime of the chromatography materials used in the capture step of the downstream process, and how this can be increased while reducing the technical complexity of the purification process.

The present invention relates to the purification of immunoglobulins and the problem of providing a method for purifying an immunoglobulin in an efficient and cost-effective manner and with satisfactory purity and yield. In particular, the present invention addresses the aspect of the re-use of the rather cost-intensive chromatography materials, in particular the lifetime of the chromatography materials used in the capture step of the downstream process, and how this can be increased while reducing the technical complexity of the purification process.

The present invention relates to a functional feed and an oral delivery system for delivery of bioactive macromolecules. The oral delivery system comprises ethylenediammonium alginate which is a vehicle for delivery of macromolecular drugs. The oral delivery system according to the present invention is particularly suitable for use in combination with functional feeds in fish.

The present invention relates to the purification of immunoglobulins and the problem of providing a method for purifying an immunoglobulin in an efficient and cost-effective manner and with satisfactory purity and yield. In particular, the present invention addresses the aspect of the re-use of the rather cost-intensive chromatography materials, in particular the lifetime of the chromatography materials used in the capture step of the downstream process, and how this can be increased while reducing the technical complexity of the purification process.

The present invention relates to the purification of immunoglobulins and the problem of providing a method for purifying an immunoglobulin in an efficient and cost-effective manner and with satisfactory purity and yield. In particular, the present invention addresses the aspect of the re-use of the rather cost-intensive chromatography materials, in particular the lifetime of the chromatography materials used in the capture step of the downstream process, and how this can be increased while reducing the technical complexity of the purification process.