Andrographolide isolated from Andrographis paniculata induces cell cycle arrest and mitochondrial-mediated apoptosis in human leukemic HL-60 cells

…, SH Cheung, J Li, CS Cheung, WP Lai… - Planta …, 2005 - thieme-connect.com
The in vitro cytotoxicities of the ethanol extract of Andrographis paniculata (APE) and its
main diterpenoid components were evaluated in various cancer cells. APE was found to be …

Effect of a structured asthma education program on hospitalized asthmatic children: a randomized controlled study

DKK Ng, POKYU CHOW, WAIP LAI… - Pediatrics …, 2006 - Wiley Online Library
Background: The aim of this study was to compare the effectiveness of an intensive asthma
education program (group B) with that of a standard asthma education program (group A). …

Computational study on the molecular inclusion of andrographolide by cyclodextrin

H Zhou, WP Lai, Z Zhang, WK Li… - Journal of Computer-Aided …, 2009 - Springer
Due to the poor water solubility of andrographolide (andro), an inclusion technique has been
developed to modify its physical and chemical properties so as to improve its bioavailability…

β-Cyclodextrin facilitates simultaneous analysis of six bioactive components in Rhizoma Smilacis Glabrae by capillary zone electrophoresis

QF Zhang, SC Li, WP Lai, HY Cheung - Food Chemistry, 2009 - Elsevier
A cyclodextrin-modified capillary zone electrophoretic method was developed for the separation
and determination of trans-resveratrol, astilbin, taxifolin, shikimic acid, syringic acid and …

Highly coherent supercontinuum generation with picosecond pulses by using self-similar compression

F Li, Q Li, J Yuan, PKA Wai - Optics Express, 2014 - opg.optica.org
The low coherence of the supercontinuum (SC) generated using picosecond pump pulses
is a major drawback of such SC generation scheme. In this paper, we propose to first self-…

An EGaIn-based flexible piezoresistive shear and normal force sensor with hysteresis analysis in normal force direction

X Shi, CH Cheng, Y Zheng… - Journal of Micromechanics …, 2016 - iopscience.iop.org
This paper reports a flexible piezoresistive shear and normal force sensor based on eutectic
gallium–indium (EGaIn) with fabrication and testing results, which includes further study on …

Ecological genetics and behaviour of Drosophila melanogaster larvae in nature

MB Sokolowski, SJ Bauer, V Wai-Ping, L Rodriguez… - Animal Behaviour, 1986 - Elsevier
… to thank Louise Vet for showing us pupae in the orchard, Gray Sterling for his helpful
comments on an earlier draft of this manuscript, Steve de Belle for drawing Figs 1 and 2, and Lai

Advanced progress on χ (3) nonlinearity in chip-scale photonic platforms

Z Kang, C Mei, L Zhang, Z Zhang… - Progress In …, 2021 - nrl.northumbria.ac.uk
χ(3) nonlinearity enables ultrafast femtosecond scale light-to-light coupling and manipulation
of intensity, phase, and frequency. χ(3) nonlinear functionality in micro-and nano-scale …

Nonlinear polarization-mode dispersion in optical fibers with randomly varying birefringence

PKA Wai, WL Kath, CR Menyuk, JW Zhang - JOSA B, 1997 - opg.optica.org
Randomly varying birefringence leads to nonlinear polarization-mode dispersion (PMD) in
addition to the well-known linear PMD. Here we calculate the variance of the field fluctuations …

Time and Fourier domain jointly mode locked frequency comb swept fiber laser

M Wan, F Li, X Feng, X Wang, Y Cao, B Guan… - Optics …, 2017 - opg.optica.org
Fourier domain mode locked (FDML) fiber lasers enable megahertz wavelength sweeping
rate but suffer from the short coherent length. Discretization of the swept spectrum by a comb …