초록 ▼

A device for transfer suitable for capturing and releasing microparticles binding an immobilized substance, which includes a magnet as well as either an extendable membrane, shapable membrane or magnet's coating such that the membrane or coating pressing tightly against the magnet's surface separate

A device for transfer suitable for capturing and releasing microparticles binding an immobilized substance, which includes a magnet as well as either an extendable membrane, shapable membrane or magnet's coating such that the membrane or coating pressing tightly against the magnet's surface separates the magnet from the microparticles but does not substantially weaken the magnetic field directed at the microparticles. Also disclosed is a method for transferring a microparticle immobilized substance from a first vessel to a second vessel where the microparticles are of a magnetic or magnetizable material or the microparticles are attached to a magnetic or magnetizable body and the microparticles with the substance immobilized thereupon are captured with the aid of a magnet submerged in the first vessel, the magnet along with the microparticles captured thereupon are transferred to the second vessel and released from the magnet's influence.

대표청구항 ▼

1. A transfer device for capturing and releasing microparticles, comprisinga magnet having a magnetic field for capturing microparticles, an extendible membrane having a first side and a second side, and means for joining and separating said magnet and said first side of said membrane, such that in

1. A transfer device for capturing and releasing microparticles, comprisinga magnet having a magnetic field for capturing microparticles, an extendible membrane having a first side and a second side, and means for joining and separating said magnet and said first side of said membrane, such that in operation said magnet is releasably pressed against said first side of said membrane, thereby stretching said membrane, to enable microparticles to be fixed by magnetic attraction to said second side of said membrane, until said magnet is separated from said first side of said membrane, thereby releasing said microparticles from said second side of said membrane.