QDs can be modulated the emission wavelength and intensity, so they have possible application as
    switch probes for cellular and whole-body imaging, optical modulators, and light emitting diodes.
    We synthesize various types of NPs, including core/shell QDs, nanorods, nanotetrapod and nanoporous
    materials.In our previous study, QD conjugate was photomodulated by additional UV excitations that
    induce the electron transfers to QDs and quench their photoluminescence. And QD-sensitized solar cells were fabricated, using the inorganic capping ligands-QDs.
    Metals can display Surface Plasmon Resonance when their sizes are reduced to the nanoscale.
    The applications of noble metal NPs can be very diverse such as spectroscopic and imaging tools,
    because plasmon resonance properties can be tailored by choosing metals with appropriate dielectric
    properties, and by selecting the size, shape, local environment of nanoscale metallic structures.
    We proposed the novel metal NP complexes that could be used for highly-efficient cancer therapy and
    for photoacoustic guided drug delivery.
    QDs promise present a possible new technology for in vivo bio-imaging and future medical imaging
    applications. QDs have proven potential as imaging contrast agents due to their bright luminescence,
    their resistance against to photobleaching, and their tunable emission wavelengths. We developed NIR-II emitting QD probes, cancer diagnosis using QD-Antibody conjugates. Also we showed QDs in an
    amphiphilic polyethyleneimine derivative platform for cellular labeling, targeting, gene delivery,
    and ratiometric oxygen sensing.


Advanced Healthcare Materials 2018 1800695
"Multiplexed In Vivo Imaging Using Size-Controlled Quantum Dots in the Second Near-Infrared Window“
Sanghwa Jeong, Yebin Jung, Seoyeon Bok, Yeon-Mi Ryu, Sumin Lee, Young-Eun Kim, Jaejung Song, Miyeon Kim, Sang-Yeob Kim,* G-One Ahn,* and Sungjee Kim* (S.J. and Y.J. contributed equally to this work.)
Advanced Functional Materials 2018, 28 1703450
"Colorectal Cancer Diagnosis Using Enzyme-Sensitive Ratiometric Fluorescence Dye and Antibody–Quantum Dot Conjugates for Multiplexed Detection“
Youngrong Park+, Yeon-Mi Ryu+, Taejun Wang, Yebin Jung, Sohee Kim, Sekyu Hwang, Joonhyuck Park, Dong-Jun Bae, Jaeil Kim, Heejo Moon, Hyun-Suk Lim, Sang-Yeob Kim, Euiheon Chung, Ki Hean Kim*, Sungjee Kim*, and Seung-Jae Myung* (Y.P. and Y.R. contributed equally to this work.)
Journal of the American Chemical Society 2017, 139, 7603-7615
"Light-Induced Fluorescence Modulation of Quantum Dot-Crystal Violet Conjugates: Stochastic Off–On–Off Cycles for Multicolor Patterning and Super-Resolution“
Sungwook Jung+, Joonhyuck Park+, Jiwon Bang, Jae-Yeol Kim, Cheolhee Kim, Yongmoon Jeon, Seung Hwan Lee, Ho Jin, Sukyung Choi, Bomi Kim, Woo Jin Lee, Chan-Gi Pack, Jong-Bong Lee, Nam Ki Lee, and Sungjee Kim* (S. Jung and J. Park contributed equally.)
Nano Letters 2017, 17, 1378−1386
"Cancer-Microenvironment-Sensitive Activatable Quantum Dot Probe in the Second Near-Infrared Window“
Sanghwa Jeong, Jaejung Song, Wonseok Lee, Yeon Mi Ryu, Yebin Jung, Sang-Yeob Kim, Kangwook Kim, Seong Cheol Hong, Seung Jae Myung, and Sungjee Kim*