The present invention relates to a traumatic brain injury and infectious disease POCT diagnosis system capable of quickly discriminating traumatic brain injury and capable of accurately determining traumatic brain injury as it has high sensitivity. The present invention includes a core comprising a magnet reactive metal; A shell layer surrounding the core and having a uniform thickness; And a capture probe introduced on the shell layer to capture a biological material, wherein the capture probe includes an antibody that uses a biomarker as an antigen for diagnosing traumatic brain injury or infectious disease.
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