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. 2017 Jun 8;8:15782. doi: 10.1038/ncomms15782

Figure 1. Synthesis and characterization of PNIPAM-nanoparticle nanoconstructs.

Figure 1

(a) Schematic of the PNIPAM-AuNR synthesis. (b) Averaged diameter and s.d. of PNIPAM below and above LCST over 3 heating and cooling cycles measured by DLS. The error bars represent the s.d. of the size distribution. (c) Transmission electron microscope (TEM) images of PNIPAM-AuNR nanoconstructs prepared at temperature below LCST. (d) TEM images of PNIPAM-AuNR nanoconstructs prepared at temperature above LCST. (e) UV-Vis spectroscopy of PNIPAM-AuNR with various resonance peaks by changing the nanorod aspect ratios. UV-Vis spectra at 22 °C (solid curves) and 37 °C (dotted curves) are recorded, featuring the temperature below and above LCST of PNIPAM. (f) TEM images of PNIPAM-CuS nanoconstructs prepared at temperature below LCST. (g) TEM images of PNIPAM-CuS nanoconstructs prepared at temperature above LCST. (h) UV-Vis spectra of PNIPAM-CuS at 22 °C (solid curves) and 42 °C (dotted curves).