Quantum Dots as a Platform for Simultaneous Dual-modality ...Application of Paramagnetic Graphene...

6
Application of Paramagnetic Graphene Quantum Dots as a Platform for Simultaneous Dual-modality Bioimaging and Tumor-targeted Drug Delivery Chun-Lin Huang, a Chih-Ching Huang, b Fu-Der Mai, c Chia-Liang Yen, d Shin-Hwa Tzing, a Hsiao-Ting Hsieh, c Yong-Chien Ling, d and Jia-Yaw Chang a* a. Department of Chemical Engineering, National Taiwan University of Science and Technology, 43, Section 4, Keelung Road, Taipei 10607, Taiwan, Republic of China b. Institute of Bioscience and Biotechnology and Center for Marine Bioenvironment and Biotechnology, National Taiwan Ocean UniVersity, Keelung, Taiwan, Republic of China c. Department of Biochemistry, School of Medicine, Taipei Medical University, Taipei, Taiwan, Republic of China d. Department of Chemistry, National Tsing Hua University, Hsinchu, Taiwan, Republic of China E-mail: [email protected] Department of Chemical Engineering, National Taiwan University of Science and Technology, 43, Section 4, Keelung Road, Taipei 10607, Taiwan, Republic of China Tel.: +886-2-27303636 Fax: +886-2-27376644 1 Electronic Supplementary Material (ESI) for Journal of Materials Chemistry B. This journal is © The Royal Society of Chemistry 2014

Transcript of Quantum Dots as a Platform for Simultaneous Dual-modality ...Application of Paramagnetic Graphene...

  • Application of Paramagnetic Graphene

    Quantum Dots as a Platform for Simultaneous

    Dual-modality Bioimaging and Tumor-targeted

    Drug Delivery

    Chun-Lin Huang,a Chih-Ching Huang,b Fu-Der Mai,c Chia-Liang Yen,d Shin-Hwa

    Tzing,a Hsiao-Ting Hsieh,c Yong-Chien Ling,d and Jia-Yaw Changa*

    a. Department of Chemical Engineering, National Taiwan University of Science

    and Technology, 43, Section 4, Keelung Road, Taipei 10607, Taiwan,

    Republic of China

    b. Institute of Bioscience and Biotechnology and Center for Marine

    Bioenvironment and Biotechnology, National Taiwan Ocean UniVersity,

    Keelung, Taiwan, Republic of China

    c. Department of Biochemistry, School of Medicine, Taipei Medical University,

    Taipei, Taiwan, Republic of China

    d. Department of Chemistry, National Tsing Hua University, Hsinchu, Taiwan,

    Republic of China

    E-mail: [email protected]

    Department of Chemical Engineering, National Taiwan University of Science and

    Technology, 43, Section 4, Keelung Road, Taipei 10607, Taiwan, Republic of China

    Tel.: +886-2-27303636

    Fax: +886-2-27376644

    1

    Electronic Supplementary Material (ESI) for Journal of Materials Chemistry B.This journal is © The Royal Society of Chemistry 2014

    mailto:[email protected]

  • 400 450 500 550 600 650 700Wavelength (nm)

    Inte

    nsity

    (a.u

    .)

    160 OC140 OC120 OC80 OC

    Figure S1. PL emission spectra of GQD obtained at different reaction temperature

    (λex = 350 nm). The insets are digital photographs of the GQD prepared at 160 °C,

    140 °C, 120 °C, and 80 °C (from left to right), respectively, under illumination of UV

    light (365 nm).

    2

  • 4.77 [nm]

    0.002.00 um 5.00 x 5.00 um

    3074355

    Figure S2. AFM images of GQDs deposited on a freshly cleaved mica substrate. The

    dimensions of the scanned area are 5 × 5 μm2.

    3

  • Figure S3. High magnification TEM image of the as-prepared GQDs.

    4

  • Figure S4. Optical microscopic images showing the representative morphological

    characteristics of zebrafish embryos exposed to different concentrations of (a) GQDs

    and (b) folate-GdGQDs at different developmental stages.

    5

  • Top

    Bottom

    a b c

    Figure S5. Z-stack confocal imaging obtained from HeLa cell incubated with

    nanocarriers. Images were taken from the top to the bottom of the cell with

    consecutive Z-axis slices. (a) Green fluorescence originating from nanocarriers; (b)

    red emission emitting from DOX; and (c) blue emission emitting from DAPI. Scale

    bars represent 20 m.

    6