公开(公告)号：US09766180B2

公开(公告)日：2017-09-19

申请号：US14895477

申请日：2014-06-02

Applicant: Stichting VU-VUmc

Inventor： Gijs Jan Lodewijk Wuite ,  Erwin Johannes Gerard Peterman ,  Iddo Heller ,  Gerrit Sitters ,  Andrea Candelli ,  Stefan Walter Hell

IPC: G01N33/00 ,  G01N35/00 ,  G01N21/00 ,  C12Q1/68 ,  G01N21/64 ,  B01L3/00 ,  G02B21/00 ,  G02B21/16 ,  G02B21/32

CPC classification number: G01N21/6428 ,  B01L3/502761 ,  B01L2200/0663 ,  B01L2300/0877 ,  B01L2400/0454 ,  C12Q1/6816 ,  G01N21/6458 ,  G02B21/0048 ,  G02B21/0076 ,  G02B21/16 ,  G02B21/32 ,  C12Q2565/629

Abstract: The present disclosure concerns a method and system for imaging a molecular strand (MS). The method comprises providing a sample volume (SV) comprising the strand (MS); providing an excitation beam (EB) having an excitation focus (EF) in the sample volume (SV); scanning the excitation focus (EF) in the sample volume (SV) along a one dimensional scanning line (SL); trapping an end of the strand (MS) in the sample volume (SV) and extending the strand (MS) along a one-dimensional trapping line (LL) parallel to the scanning line (SL); aligning the trapping line (LL) to coincide with the scanning line (SL) to have the scanning excitation focus (EF) coincide with the strand (MS); and recording the fluorescence response (FR) as a function of a plurality of distinct scanning positions (X0) of the excitation focus (EF) along the scanning line (SL).