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Showing 13 to 24 of 912 entries
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Blowup Phenomenon of Solutions for the IBVP of the Compressible Euler Equations in Spherical Symmetry.

TheScientificWorldJournal

Cheung KL, Wong S.
PMID: 27066528
ScientificWorldJournal. 2016;2016:3781760. doi: 10.1155/2016/3781760. Epub 2016 Feb 03.

The blowup phenomenon of solutions is investigated for the initial-boundary value problem (IBVP) of the N-dimensional Euler equations with spherical symmetry. We first show that there are only trivial solutions when the velocity is of the form c(t)|x| (α-1)...

Inhibition of HDAC3- and HDAC6-Promoted Survivin Expression Plays an Important Role in SAHA-Induced Autophagy and Viability Reduction in Breast Cancer Cells.

Frontiers in pharmacology

Lee JY, Kuo CW, Tsai SL, Cheng SM, Chen SH, Chan HH, Lin CH, Lin KY, Li CF, Kanwar JR, Leung EY, Cheung CC, Huang WJ, Wang YC, Cheung CH.
PMID: 27065869
Front Pharmacol. 2016 Mar 31;7:81. doi: 10.3389/fphar.2016.00081. eCollection 2016.

SAHA is a class I HDAC/HDAC6 co-inhibitor and an autophagy inducer currently undergoing clinical investigations in breast cancer patients. However, the molecular mechanism of action of SAHA in breast cancer cells remains unclear. In this study, we found that...

Production rate estimation of mycosporine-like amino acids in two Arctic melt ponds by stable isotope probing with NAH(13) CO3.

Journal of phycology

Ha SY, Min JO, Joo HM, Chung KH, Shin KH, Yang E, Kang SH.
PMID: 26988644
J Phycol. 2014 Oct;50(5):901-7. doi: 10.1111/jpy.12221. Epub 2014 Sep 19.

The net carbon uptake rate and net production rate of mycosporine-like amino acids (MAAs) were measured in phytoplankton from 2 different melt ponds (MPs; closed and open type pond) in the western Arctic Ocean using a (13) C stable...

Integration of extracellular RNA profiling data using metadata, biomedical ontologies and Linked Data technologies.

Journal of extracellular vesicles

Subramanian SL, Kitchen RR, Alexander R, Carter BS, Cheung KH, Laurent LC, Pico A, Roberts LR, Roth ME, Rozowsky JS, Su AI, Gerstein MB, Milosavljevic A.
PMID: 26320941
J Extracell Vesicles. 2015 Aug 28;4:27497. doi: 10.3402/jev.v4.27497. eCollection 2015.

The large diversity and volume of extracellular RNA (exRNA) data that will form the basis of the exRNA Atlas generated by the Extracellular RNA Communication Consortium pose a substantial data integration challenge. We here present the strategy that is...

Stabilities for nonisentropic Euler-Poisson equations.

TheScientificWorldJournal

Cheung KL, Wong S.
PMID: 25861676
ScientificWorldJournal. 2015;2015:494707. doi: 10.1155/2015/494707. Epub 2015 Mar 16.

We establish the stabilities and blowup results for the nonisentropic Euler-Poisson equations by the energy method. By analysing the second inertia, we show that the classical solutions of the system with attractive forces blow up in finite time in...

Air cholangiography in endoscopic bilateral stent-in-stent placement of metallic stents for malignant hilar biliary obstruction.

Therapeutic advances in gastroenterology

Lee JM, Lee SH, Jang DK, Chung KH, Park JM, Paik WH, Lee JK, Ryu JK, Kim YT.
PMID: 26929781
Therap Adv Gastroenterol. 2016 Mar;9(2):189-98. doi: 10.1177/1756283X15618132.

BACKGROUND: Although endoscopic bilateral stent-in-stent (SIS) placement of self-expandable metallic stents (SEMS) is one of the major palliative treatments for unresectable malignant hilar biliary obstruction, post-endoscopic retrograde cholangiopancreatography (ERCP) cholangitis can occur frequently due to inadequate drainage, especially after...

Message from the IOMP President, Dr. Kin Yin Cheung and the Chairman of the IOMP Education and Training Committee, Prof. John Damilakis on November 7, 2013: "International Day of Medical Physics".

Journal of biomedical physics & engineering

Cheung K, Damilakis J.
PMID: 25505756
J Biomed Phys Eng. 2013 Dec 02;3(4):113-4. eCollection 2013 Dec.

No abstract available.

Resonance modulated amplified emission from CdSSe nanoribbons.

Scientific reports

Wood T, Cheung KT, Foo Y, Liu YK, Zapien JA.
PMID: 26472435
Sci Rep. 2015 Oct 16;5:15071. doi: 10.1038/srep15071.

We present evidence of amplified emission mediated by surface plasmon polaritons (SPPs) from a CdS0.2Se0.8 nanoribbon (NR) supported on a gold-coated silicon substrate. Room temperature amplified emission is observed from the nanoribbon above excitation irradiances ~ 25 W/cm(2) when...

Persistent spontaneous synovial drainage from digital flexor sheath in proliferative tenosynovitis: Two case reports and a review of the literature.

Plastic surgery (Oakville, Ont.)

Chin B, Cheung K, Farhangkhoee H, Thoma A.
PMID: 26090353
Plast Surg (Oakv). 2015;23(2):108-10. doi: 10.4172/plastic-surgery.1000920.

Proliferative flexor tenosynovitis of the hand is an inflammatory process involving the synovial sheaths surrounding the tendons. It is most commonly caused by infection, but may also be caused by overuse, diabetes and rheumatic conditions such as rheumatoid arthritis...

Gene-based and pathway-based genome-wide association study of alcohol dependence.

Shanghai archives of psychiatry

Zuo L, Zhang CK, Sayward FG, Cheung KH, Wang K, Krystal JH, Zhao H, Luo X.
PMID: 26120261
Shanghai Arch Psychiatry. 2015 Apr 25;27(2):111-8. doi: 10.11919/j.issn.1002-0829.215031.

BACKGROUND: The organization of risk genes within signaling pathways may provide clues about the converging neurobiological effects of risk genes for alcohol dependence.AIM: Identify risk genes and risk gene pathways for alcohol dependence.METHODS: We conducted a pathway-based genome-wide association...

Delivery of a survivin promoter-driven antisense survivin-expressing plasmid DNA as a cancer therapeutic: a proof-of-concept study.

OncoTargets and therapy

Lin KY, Cheng SM, Tsai SL, Tsai JY, Lin CH, Cheung CH.
PMID: 27217778
Onco Targets Ther. 2016 May 03;9:2601-13. doi: 10.2147/OTT.S101209. eCollection 2016.

Survivin is a member of the inhibitor-of-apoptosis proteins family. It is overexpressed in many different cancer types but not in the differentiated normal tissue. In addition, overexpression of survivin promotes cancer cell survival and induces chemotherapeutic drug resistance, making...

Black hole production and large extra dimensions.

Physical review letters

Cheung K.
PMID: 12059412
Phys Rev Lett. 2002 Jun 03;88(22):221602. doi: 10.1103/PhysRevLett.88.221602. Epub 2002 May 16.

Black hole (BH) production at colliders is possible when the colliding energy is above the Planck scale, which can effectively be at TeV scale in models of large extra dimensions. In this work, we study the production of black...

Showing 13 to 24 of 912 entries