Fig. 2From: Carbon dots hybrid for dual fluorescent detection of microRNA-21 integrated bioimaging of MCF-7 using a microfluidic platformUV–vis absorption of B-CD and Y-CD (A); UV–vis absorption of B-CD, DNA probe and B-CD-DNA probe (B); Fluorescence spectra of B-CDs at different excitation wavelengths from 360 to 440 nm (C); Fluorescence spectra of B-CD and DNA probe functionalized B-CD (D)Back to article page