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A pocket device for rapid combined test of biomedical samples is comprised of four parts: strip, strip attached column, sampling head and test tube. One to multiple strips are separately attached to the shallow groove on the surface of the strip attached column. The strip attached column is placed inside the test tube of the device. The sampling head is in front of the test tube. The sampling head...
Surface gold coverage of Fe3O4 nanoparticles were prepared and approved by various characterizations. The saturation magnetization of the gold-coated nanoparticles remains almost unchanged (less than 1 emu·g−1) for long storage periods more than 2 months. Then the antibody immobilization for biosensor application was conducted and compared with colloidal gold nanoparticles and parent magnetite nanoparticles...
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