-
Article
Open AccessFZD7 drives in vitro aggressiveness in Stem-A subtype of ovarian cancer via regulation of non-canonical Wnt/PCP pathway
Ovarian cancer (OC) can be classified into five biologically distinct molecular subgroups: epithelial-A (Epi-A), Epi-B, mesenchymal (Mes), Stem-A and Stem-B. Among them, Stem-A expresses genes relating to stem...
-
Article
Open AccessAn EMT spectrum defines an anoikis-resistant and spheroidogenic intermediate mesenchymal state that is sensitive to e-cadherin restoration by a src-kinase inhibitor, saracatinib (AZD0530)
The phenotypic transformation of well-differentiated epithelial carcinoma into a mesenchymal-like state provides cancer cells with the ability to disseminate locally and to metastasise. Different degrees of ep...
-
Article
Microemulsion polymerization of styrene using a polymerizable nonionic surfactant and a cationic surfactant
High polymer/surfactant weight ratios (up to about 15:1) of polystyrene microlatexes have been successfully produced by microemulsion polymerization using a small amount of polymerizable surfactant, ω-methoxy...
-
Chapter and Conference Paper
Do parents and children know each other’s smoking experience and attitudes towards children’s smoking?
In 1994, a survey on youth smoking and health in Hong Kong showed that 29% of junior secondary-school students (mostly aged 12–15 years) had ever smoked cigarettes. More than half had smoked their first cigare...
-
Article
Microwave-Assisted Solvent Extraction of Air Particulates for the Determination of PAHs
A method for the determination of polycyclic aromatic hydrocarbons (PAHs) in air particulates using microwave-assisted solvent extraction (MASE) coupled to a microwave extraction system (MES) is proposed. Duri...
-
Article
Soil Lead and Other Metal Levels in Industrial, Residential and Nature Reserve Areas in Singapore
The use of pressure feedback microwave digestion technique has permitted rapid and efficient digestion of soil and sediment samples. The evaluation of different acid mixtures to digest soil samples were studie...
-
Article
Optimization of the Microwave-Assisted Solvent Extraction of Petroleum Hydrocarbons in Marine Sediment and Soil
A microwave-assisted solvent extraction (MASE) technique was developed for the quantitative extraction of gasoline- and diesel-range petroleum hydrocarbons (PHs) from soil and marine sediment samples. The infl...
-
Article
Determination of Polycyclic Aromatic Hydrocarbons in Rougan, a Traditional Chinese Barbecued Food, by Capillary Gas Chromatography
Several polycyclic aromatic hydrocarbons (PAHs), including those which are carcinogenic, have been detected in rougan, a traditional Chinese barbecued pork dish. The food samples were cleaned up by caustic dig...
-
Article
Determination of Carcinogenic Heterocyclic Amines in Satay by Liquid Chromatography
The successful determination of mutagenic/carcinogenic heterocyclic amines (HCAs) in trace amounts (ng/g, ppb levels) in commercial foods depends largely on the detection sensitivity and selectivity, as well a...
-
Article
Microwave extraction of phthalate esters from marine sediment and soil
As part of an on-going ASEAN+)-Canada Cooperative Programme on Marine Science, microwave-assisted solvent extraction has been employed for the extraction of six phthalate esters from marine sediment and soil samp...
-
Article
Pesticides in Golf Course Waters Associated with Golf Course Runoff
-
Article
Intracavernous injection of prostaglandin e1 in spinal cord injured patients with erectile dysfunction. A preliminary report
Our experience with intracavernous injection of prostaglandin E1 in spinal cord injured patients with neurogenic erectile dysfunction included 15 men. They received testing dosage starting from 5 µg with increasi...
-
Article
Optimization by orthogonal array design of solid phase extraction of organochlorine pesticides from water
A two-level orthogonal array design (OAD) to optimize the solid phase extraction of organochlorine pesticides is described. Parameters including eluting solvents, SPE cartridges packed with C18-bonded silica from...
-
Article
Optimization by orthogonal array design of solid phase extraction of organochlorine pesticides from water
A two-level orthogonal array design (OAD) to optimize the solid phase extraction of organochlorine pesticides is described. Parameters including eluting solvents, SPE cartridges packed with C18-bonded silica from...
-
Article
Use of EndoGIA stapling device in Duhamel-Martin procedure for Hirschsprung's disease
-
Article
Heavy metals in some Chinese herbal plants
The concentrations of nine heavy metals, cadmium, cobalt, copper, iron, manganese, nickel, lead, zinc and mercury in 42 Chinese herbal medicinal plants were determined. Generally, all the samples studied had, ...
-
Article
Editorial
-
Article
A study of the heavy metal concentrations of the Singapore River
The concentrations of lead, cadmium, copper, zinc, iron, and mercury in the water, sediment and biota of the Singapore River were determined. The concentration of the various metals in water showed significant...
-
Article
Uptake, distribution and immunotoxicological effects of mercury in mice
The uptake and distribution of mercury in various organs and tissues of mice were examined after administration with mercuric chloride (HgCl2) or mercuric sulphide (HgS). The results show that mice treated with H...
-
Article
Factors affecting the leaching of lead from UPVC pipes
This paper summarizes the results of a series of studies on the various factors that affect the leaching of lead from unplasticized poly(vinyl chloride) (UPVC) pipes. Factors that were studied include temperat...
