摘要:
This invention relates generally to the field of moiety or molecule manipulation in a chip format. In particular, the invention provides a method for manipulating a moiety in a microfluidic application, which method comprises: a) coupling a moiety to be manipulated onto surface of a binding partner of said moiety to form a moiety-binding partner complex; and b) manipulating said moiety-binding partner complex with a physical force in a chip format, wherein said manipulation is effected through a combination of a structure that is external to said chip and a structure that is built-in in said chip, thereby said moiety is manipulated.
摘要:
The present invention includes devices and methods for transfecting a cell or cell population and dynamic monitoring of cellular events. A variety of microelectronic devices are provide that incorporate functions such as electroporation, modulation of a transmembrane potential and dynamic monitoring of cellular functions and mechanisms.
摘要:
The present invention includes devices and methods for transfecting a cell or cell population and dynamic monitoring of cellular events. A variety of microelectronic devices are provide that incorporate functions such as electroporation, modulation of a transmembrane potential and dynamic monitoring of cellular functions and mechanisms.
摘要:
The present invention includes devices and methods for transfecting a cell or cell population and dynamic monitoring of cellular events. A variety of microelectronic devices are provide that incorporate functions such as electroporation, modulation of a transmembrane potential and dynamic monitoring of cellular functions and mechanisms.
摘要:
The present invention includes devices and methods for transfecting a cell or cell population and dynamic monitoring of cellular events. A variety of microelectronic devices are provide that incorporate functions such as electroporation, modulation of a transmembrane potential and dynamic monitoring of cellular functions and mechanisms.
摘要:
A device acts as a particle switch to transport and/or re-direct microparticles which are in a fluid suspension. The switch comprises at least three structural branches and the branches may be connected at a common junction. Particles can be transported along the branches as a result of the forces generated along that branch. Particles are transported into or out of the particle switch via the ends of the branches. Particles can be switched from one branch into one of the other branches. Depending on the properties of the particles, the transportation mechanism may be traveling-wave-dielectrophoresis or traveling-wave-electrophoresis.
摘要:
This invention relates generally to the field of field-flow-fractionation. In particular, the invention provides apparatuses and methods for the discrimination of matters utilizing acoustic force, or utilizing acoustic force with electrophoretic or dielectrophoretic force, in field flow fractionation.
摘要:
The present invention concerns a high throughput electrorotation chip having an array of electrorotation units and methods of use thereof. To make the high throughput electrorotation chip, a plurality of electrorotation units (EU) are fabricated on a substrate or support and each EU is capable of producing a rotating electric field upon the application of an appropriate electrical signal. Exemplary embodiments include a row-column configuration of EUs having four electrode elements realized through two conductive-layers. The electrode elements may be linear, concave, or convex. Thin plates having one or multiple holes are bound to high-throughput electrorotation chips to form assay chambers having one or multiple wells. Particles can be introduced to the wells and electrorotation measurements can be performed on the particles. The high throughput electrorotation chip and chamber may be used for cell-based screening for leading drug candidate molecules from a compound library, for high-throughput characterizing particle electric properties, and for high-throughput assaying molecular compositions of unknown solutions.
摘要:
The present invention concerns a high throughput electrorotation chip having an array of electrorotation units and methods of use thereof. To make the high throughput electrorotation chip, a plurality of electrorotation units (EU) are fabricated on a substrate or support and each EU is capable of producing a rotating electric field upon the application of an appropriate electrical signal. Exemplary embodiments include a row-column configuration of EUs having four electrode elements realized through two conductive-layers. The electrode elements may be linear, concave, or convex. Thin plates having one or multiple holes are bound to high-throughput electrorotation chips to form assay chambers having one or multiple wells. Particles can be introduced to the wells and electrorotation measurements can be performed on the particles. The high throughput electrorotation chip and chamber may be used for cell-based screening for leading drug candidate molecules from a compound library, for high-throughput characterizing particle electric properties, and for high-throughput assaying molecular compositions of unknown solutions.
摘要:
This invention provides electromagnetic chips and electromagnetic biochips having arrays of individually addressable micro-electromagnetic units, as well as methods of utilizing these chips for directed manipulation of micro-particles and micro-structures such as biomolecules and chemical reagents. An electromagnetic biochip comprises an individually addressable micro-electromagnetic unit chip with ligand molecules immobilized on its surface. By controlling the electromagnetic field at each unit of the array and combining this control with magnetic modification of biomolecules, these chips can be used for directed manipulation, synthesis and release of biomolecules in order to increase sensitivity of biochemical or chemical analysis and reduce assay time. Other advantages with these chips include minimized damages to biological molecules and increased reproducibility of assay results.