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We developed a rapid and reliable technique for simultaneous detection of Salmonella Typhimurium, Escherichia coli O157:H7 and Listeria monocytogenes that can be used in food products. Magnetic nano-beads (MNBs) based immunomagnetic separation (IMS) was used to separate the target bacterial cells while multiplex PCR (mPCR) was used to amplify the target(More)
In spite of the immense benefits from iron oxide magnetic nanoparticles (IOMNs), there is scanty information regarding their metabolic activities and toxicity in vivo. In this study, we investigated the size dependent in vivo biodistribution, toxicokinetics, and toxicity and gene expression changes of various sizes of carboxyl coated IOMNs (diameters of 10,(More)
  • Pengoptimuman Kultur Tenggelam, untuk Penghasilan Biojisim, +7 authors Norihan Mohd Saleh
  • 2013
Tiger’s Milk mushroom (Lignosus rhinocerus) is a highly priced medicinal mushroom utilized in traditional medicine to treat various diseases. However, due to insufficient wild L. rhinocerus, submerged culture conditions and nutritional requirements for the production of mycelial biomass and exopolysaccharide (EPS) from L. rhinocerus were studied using(More)
Two patterns of signal amplification lateral flow immunoassay (LFIA), which used anti-mouse secondary antibody-linked gold nanoparticle (AuNP) for dual AuNP-LFIA were developed. Escherichia coli O157:H7 was selected as the model analyte. In the signal amplification direct LFIA method, anti-mouse secondary antibody-linked AuNP (anti-mouse-Ab-AuNP) was mixed(More)
In this study, the conditions and mechanism of antibacterial activity of hydrophilic polymer coated silver nanoparticles (AgNPs) against E. coli O157:H7 (CMCC44828) as model pathogen was studied. The AgNPs were coated with amphiphilic polymer that introduced carboxyl groups on the surface to make it water-soluble. The AgNPs were exposed to various treatment(More)
Summary: The present study was undertaken to further elucidate the role during gestation of insulin, epidermal growth factor-urogastrone (EGF-URO), and a slightly acidic insulin-like growth factor we have referred to as insulin-like activity (ILAs). We examined the ontogeny of the placental receptors for these peptides utilizing membrane fractions (600 X g,(More)
Immunomagnetic separation uses antibody-coated paramagnetic particles to selectively bind and purify the target organisms from a comprehensive range of complex food matrices. Aim of this study was to develop and optimize an immunomagnetic separation method based on monoclonal antibody for efficient isolation of Escherichia coli O157:H7 in food samples. The(More)
Food contaminated by foodborne pathogens causes diseases, affects individuals, and even kills those affected individuals. As such, rapid and sensitive detection methods should be developed to screen pathogens in food. One current detection method is lateral flow immunoassay, an efficient technique because of several advantages, including rapidity,(More)
Label selection is of vital importance for immunochromatographic assays. In this study, the fluorescent microsphere test strip and colloidal gold immunochromatographic test strip (FM-ICTS and CG-ICTS) were developed for the detection of Escherichia coli O157:H7 on the basis of the sandwich format. Two types of labels, namely, colloidal gold particles (CG)(More)
The aim of this study was to evaluate the association of PON1 genetic variants with the susceptibility to coronary artery disease (CAD) and with the clinical endpoints in aspirin and clopidogrel (dual antiplatelet therapy)-treated Han Chinese patients with CAD after percutaneous coronary intervention (PCI). A total of 538 Han Chinese patients undergoing PCI(More)