research highlight
DESCRIPTION
Research Highlight. Medical Device: Focused Ultrasound Enhance Therapeutic Nanocarrier Delivery for Brain Tumor Treatment. R2 MR relaxometry map to quantitatively estimate drug concentration. Tumor, without FUS/MT. Tumor, with FUS/MT. MNP-Epirubicin design. - PowerPoint PPT PresentationTRANSCRIPT
Research Highlight• Medical Device: Focused Ultrasound Enhance Therapeutic Nanocarrier
Delivery for Brain Tumor Treatment
MNP-Epirubicin design
R2 MR relaxometry map to quantitatively estimate drug concentration
Tumor, without FUS/MT Tumor, with FUS/MT
Reference: H-L Liu, M-Y Hua, H-W Yang, et al, “Magnetic resonance monitoring of focused ultrasound/magnetic nanoparticle targeting delivery of therapeutic agents to the brain,” Proceedings of National Academy of Science USA, Vol. 107, No. 34, pp.15205-15210, 2010 (IF=9.737, 4/56 in “Multidisciplinary sciences”).
CW-Laser
Traditional FUS alone FUS+Nanocarrier
Hyperthermia amplification
MRI
FUS
Survival
Magnetization
Reference: H.W. Yang, M.Y. Hua, T.L. Hwang, et al, H.L. Liu*, K.C. Wei. Noninvasive synergistic treatment of brain tumor by targeted chemotherapeutic delivery and amplified focused ultrasound-hyperthermia using magnetic nanographene oxide. Advanced Materials, Vol. 25, No. 26, pp.3605-3611, 2013. (*Corresponding author; IF=14.829, 6/152 in “Materials Science, Multidisciplinary").
Research Highlight• Medical Device: Combined Ultrasound Brain Drug Delivery and Hyperthermia Amplification to Enhance Brain Tumor Treatment
Research Highlight• Medical Imaging: Treatment of infarcted myocardium with stem cell
sheets and MRI-based evaluation
Stem cell sheets transduced with VEGF is capable of restoring the cardiac functions in infarcted rabbit myocardium, as the therapeutic effects are measured and confirmed with MRI
Reference: Yeh TS, Fang YH (co-first author), Lu CH, Chiu SC, Yeh CL, Yen TC, Parfyonova Y and Hu YC. Baculovirus-transduced, VEGF-expressing Adipose-derived Stem Cell Sheet for the Treatment of Myocardium Infarction. Biomaterials. Jan; 35: 174-184, 2014 (SCI = 7.6; 2/79)
Research Highlight• Medical Imaging: Advanced image analysis of PET imaging for cancer
prognosis
Reference: Cheng NM, Fang YH (co-first author), Chang JT, Huang CG, Tsan DL, Ng SH, Wang HM, Lin CY, Liao CT and Yen TC. Texture features of pretreatment 18F FDG PET/CT images: prognostic significance in patients with advanced T-stage oropharyngeal squamous cell carcinoma. Journal of Nuclear Medicine. Oct; 54(10):1703-9, 2013. (SCI=5.77; 6/120)
Texture parameter of uniformity can predict progression free, disease specific, and overall survivals in oropharyngeal cancer
Open-source project for software development of texture analysis
Research Highlight
Reference: Woei-Luen Chen and Jhe-Shuan Lin, “One-dimensional optimization for proportional-resonant controllers design against the change in source impedance and solar irradiation of PV systems,” IEEE Trans. on Industrial Electronics, 2013.DOI: 10.1109/TIE.2013.2264789 (SCI: 5.165; Rank #3 in all IEEE Transactions)
Solar Array
SwitchingPatterns
id*
sinθv
cosθv
iq*
ε
i
i*
vdc 11
ip
KKs
vdc*
vdc
|v| Δv
22
ip
KKs
ve*
DC Voltage Regulator
AC Voltage Regulator
|v|* =1.0 p.u.
vdc
idcMPPT
ODO Eqs. (20),(22), and (23)
2 20
pbsK
s
Phase Shifter
Cdc
Cf
Lf
Lx viPCC
Series Filter
if idc
vdc
UnipolarSPWM
Pyranometer
Phase Detector
αβ dq
θv
vd
vq
vβ vα
v
SPLLdq axes® α axis
PR Current Controller
Cy
L
vs ve
S1
S4
S3
S2
ch1►
ch2►
ch3►
vdc
v
i
ch1: 500V/div, ch2: 200V/div, ch3: 5A/div, timebase: 10ms/div
ch1►
ch2►
ch3►
vdc
v
i
ch1: 500V/div, ch2: 200V/div, ch3: 5A/div, timebase: 10ms/div
103 104 105 10610-3
10-2
10-1
100
101
(rad/s)
W j23
M j
10
104
100
(rad/s)
M j W j
2310
11
c LG j G j
Adaptability to the change in source impedance
Adaptability to the change in irradiation
Robust Stability Analysis
3
2n x
P xo
LK r
2 2 22 1n x o x x Pb L L a r K
2n o
Closed-form solution to the control gains
• Industrial Electronics: Digital Adaptive Solar Energy Converter Design/ 數位適應型太陽能變流器之設計
Research Highlight
Reference: Woei-Luen Chen and Cheng-Zhang Xie, “Active voltage and frequency regulator design for a wind-driven induction generator to alleviate transient impacts on power grid,” IEEE Trans. on Industrial Electronics, vol. 60, no. 8, pp. 3165-3175, 2013. DOI: 10.1109/TIE.2012.2200212
0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16-1
0
1
0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16-1
0
1
0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16-1
0
1
0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16-1
0
1
vi
vs
vs,1
vi,1
Vector position detection
θ α-axis
β-axis
vα
(1 ,0)
(0 ,1)vαβ
v1αβ
vβ
vα,1
Trajectory of unity 1-norm normalized
voltage vectors
Trajectory of voltage vectors
vβ,11
1v v
v vvv
Normalized one-norm vector
iai
vai
vas
iai
vai
vas
Parallel the IG with Power Grid
iai
vas,vai
iae
iai
vas
iaevai
Parallel the IG with Power Grid
iai
vai
vas
iaivai
vas
Disconnecting the IG from Power Grid
iai
vas,vai
iae
iai
vas
iaevai
Grid disconnection instant Grid connection instantWithout AVFR With AVFR With AVFRWithout AVFR
• Industrial Electronics: Wind-Driven Induction Generator to Alleviate Transient Impacts on Power Grid/ 零暫態併網風力發電系統設計