Micro-fluidic chip for simultaneously separating and capturing wide-scale magnetic materials
A technology of microfluidic chips and magnetic materials, which can be used in laboratory containers, laboratory utensils, chemical instruments and methods. Fabrication and processing to avoid the effect of column pressure
Pending Publication Date: 2021-01-05
WUHAN TEXTILE UNIV
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Problems solved by technology
However, at present, magnetic materials of different scales are difficult to be separated simpl
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Abstract
The invention discloses a micro-fluidic chip for simultaneously separating and capturing wide-scale magnetic materials. A capture cavity, an injection port and a discharge port are arranged in the micro-fluidic chip, and the injection port and the discharge port are respectively communicated with the two ends of the capture cavity. The capture cavity is in a concave step shape, and the height of the capture cavity is gradually reduced from the injection port to the discharge port. The capture cavity is composed of a micron-scale capture area and a nano-scale capture area, a magnetic capture area is arranged on the nano-scale capture area, the magnetic capture area is in an expanded shape, and a magnetic structure is arranged in the magnetic capture area. The micro-fluidic chip is simple instructure, convenient to manufacture, low in cost and capable of easily achieving simultaneous separation and capture of micron-scale to nano-scale magnetic materials.
Description
technical field [0001] The invention relates to the technical field of biological detection, in particular to a microfluidic chip for simultaneously separating and capturing wide-scale magnetic materials. Background technique [0002] Microfluidic chips can integrate basic operation units such as sample preparation, reaction, separation, detection, etc. involved in the fields of biology, chemistry and medicine into a chip of several square centimeters or even smaller, with miniaturization, automation and integration. It is widely used in the field of biomedicine. Due to the convenient integration of optical, electrical, acoustic, magnetic, size, fluid and temperature manipulation methods in microfluidic chips, it serves research objects. Compared with other methods, the magnetic and size manipulation methods have the characteristics of simple operation and easy implementation, and the surface of the magnetic material is easy to modify and is less affected by the environment...
Claims
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Login to view more IPC IPC(8): B01L3/00
CPCB01L3/5027B01L2200/10B01L2300/12
Inventor 洪少力陈锦耀张琴韵汤曼张南刚刘侃
Owner WUHAN TEXTILE UNIV
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