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Showing 25 to 36 of 571 entries
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Frontiers in diabetic research.

The international journal of biochemistry & cell biology

Leung PS, Hayek A, de Gasparo M.
PMID: 16481209
Int J Biochem Cell Biol. 2006;38(5):687-8. doi: 10.1016/j.biocel.2006.01.012. Epub 2006 Feb 02.

No abstract available.

Encoding method for bidirectional associative memory using projection on convex sets.

IEEE transactions on neural networks

Leung CS.
PMID: 18276517
IEEE Trans Neural Netw. 1993;4(5):879-81. doi: 10.1109/72.248465.

The traditional encoding method of bidirectional associative memory (BAM) suggested by Kosko (1988) is based on the correlation method with which the capacity is very small. The enhanced Householder encoding algorithm (EHCA) presented here is developed on the basis...

Efforts to achieve healthy aging.

Integrative medicine insights

Leung PC.
PMID: 21614158
Integr Med Insights. 2008;3:43-8. doi: 10.4137/imi.s976. Epub 2008 Oct 29.

Longevity is a blessing as long as good health is not lost. However, the tendency to have a decline on normal physiological activities is inevitable because of the natural processes of degeneration at all levels: molecular, cellular and organic....

Selective theta-synchronization of choice-relevant information subserves goal-directed behavior.

Frontiers in human neuroscience

Womelsdorf T, Vinck M, Leung LS, Everling S.
PMID: 21119780
Front Hum Neurosci. 2010 Nov 02;4:210. doi: 10.3389/fnhum.2010.00210. eCollection 2010.

Theta activity reflects a state of rhythmic modulation of excitability at the level of single neuron membranes, within local neuronal groups and between distant nodes of a neuronal network. A wealth of evidence has shown that during theta states...

Theory of microcavity-enhanced Raman gain.

Optics letters

Wu Y, Yang X, Leung PT.
PMID: 18071501
Opt Lett. 1999 Mar 01;24(5):345-7. doi: 10.1364/ol.24.000345.

We present a method for obtaining a simple relation between bulk and cavity-modified Raman gains for microcavities with arbitrary geometric shapes. The analytical expression for the microcavity-enhanced Raman gain quantitatively accounts quite well for all the main features of...

Asymmetric synthesis of diphosphine ligands containing phosphorus and carbon stereogenic centers by means of a chiral palladium complex promoted hydrophosphination reaction.

Inorganic chemistry

Zhang Y, Pullarkat SA, Li Y, Leung PH.
PMID: 19445512
Inorg Chem. 2009 Jun 15;48(12):5535-9. doi: 10.1021/ic900461t.

An organopalladium complex containing ortho-metalated (R)-(1-(dimethylamino) ethyl)naphthalene as the chiral auxiliary has been used to promote the asymmetric hydrophosphination reaction between diphenylphosphine and phenyldi[(Z)-prop-1-enyl]phosphine in high regio- and stereoselectivity under mild conditions. The hydrophosphination reaction generated only two diastereomers...

Implementation of single-beam multiplexing encoding with a dually modulated spatial light modulator.

Applied optics

Jia W, Chen Z, Wen FJ, Chung PS.
PMID: 21364706
Appl Opt. 2011 Mar 01;50(7):B12-7. doi: 10.1364/AO.50.000B12.

We propose a novel method for signal storage and encryption, called single-beam multiplexing encoding. The single beam is composed of an inside signal beam and an outside reference beam. The signal beam is amplitude modulated, and the reference beam...

The backward phase flow method for the Eulerian finite time Lyapunov exponent computations.

Chaos (Woodbury, N.Y.)

Leung S.
PMID: 24387571
Chaos. 2013 Dec;23(4):043132. doi: 10.1063/1.4847175.

We propose a simple Eulerian approach to compute the moderate to long time flow map for approximating the Lyapunov exponent of a (periodic or aperiodic) dynamical system. The idea is to generalize a recently proposed backward phase flow method...

Equivalence between the mechanical model and energy-transfer theory for the classical decay rates of molecules near a spherical particle.

The Journal of chemical physics

Chung HY, Leung PT, Tsai DP.
PMID: 22583276
J Chem Phys. 2012 May 14;136(18):184106. doi: 10.1063/1.4714498.

In the classical modeling of decay rates for molecules interacting with a nontrivial environment, it is well known that two alternate approaches exist which include: (1) a mechanical model treating the system as a damped harmonic oscillator driven by...

Cardiovascular Protective Effects of Adjunctive Alternative Medicine (Salvia miltiorrhiza and Pueraria lobata) in High-Risk Hypertension.

Evidence-based complementary and alternative medicine : eCAM

Woo KS, Yip TW, Chook P, Kwong SK, Szeto CC, Li JK, Yu AW, Cheng WK, Chan TY, Fung KP, Leung PC.
PMID: 23533460
Evid Based Complement Alternat Med. 2013;2013:132912. doi: 10.1155/2013/132912. Epub 2013 Mar 07.

Introduction. Hypertension in association with diabetes (DM), renal impairment (RI), and left ventricular hypertrophy (LVH) increases the risk of future cardiovascular events. We hypothesize, traditional herbal medicines Danshen and Gegen (D&G) have beneficial effects on atherogenesis in these high-risk...

Seasonal Specificity of Seasonal Allergens and Validation of the ARIA Classification in Korea.

Allergy, asthma & immunology research

Chung YJ, Cho IK, Lee KI, Bae SH, Lee JW, Chung PS, Mo JH.
PMID: 23450145
Allergy Asthma Immunol Res. 2013 Mar;5(2):75-80. doi: 10.4168/aair.2013.5.2.75. Epub 2012 Nov 27.

PURPOSE: In Korea, tree pollens are known to be prevalent in spring, grass pollens in summer and weed pollens in autumn. However, few studies have revealed their seasonal specificity for allergic rhinitis symptoms. An ARIA (Allergic Rhinitis and its...

Molecular fluorescence in the vicinity of a charged metallic nanoparticle.

Optics express

Chung HY, Leung PT, Tsai DP.
PMID: 24216869
Opt Express. 2013 Nov 04;21(22):26483-92. doi: 10.1364/OE.21.026483.

The modified fluorescence properties of a molecule in the vicinity of a metallic nanoparticle are further studied accounting for the possible existence of extraneous charges on the particle surface. This is achieved via a generalization of the previous theory...

Showing 25 to 36 of 571 entries