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公开(公告)号:DE19631395A1
公开(公告)日:1998-02-05
申请号:DE19631395
申请日:1996-08-02
Applicant: BASF AG
Inventor: FUCHS HARALD PROF DR , FRIEDRICH THOMAS DR , SCHREPP WOLFGANG DR
IPC: G01N33/543 , G01Q60/20 , G01N33/533 , G01N21/64
Abstract: In an active substance screening process, an active substance is detected by observing changes in a signal (S) by means of a scanning nearfield optical microscope (SNOM). Also disclosed is a device suitable for carrying out this process and comprising the SNOM, a device for receiving single or multiple samples and a control unit.