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In the present study, silver nanoparticles (AgNPs) were synthesised by adding 1 mM Ag nitrate solution to different concentrations (1%, 2.5%, 5%) of branch extracts of Eurycoma longifolia, a well known medicinal plant in South–East Asian countries. Characterisation of AgNPs was carried out using techniques such as ultraviolet–visible spectrophotometry, X-ray diffractrometry, Fourier transform infrared–attenuated...
This study for the first time reports on fresh water microalgae Chlorella minutissima aqueous extract (CmAe) which was utilized for the biogenic synthesis of silver nanoparticles and tested their antineoplastic potential against Liver Hepatocellular Carcinoma (HepG2) cell line. The characteristic colour change of the reaction mixture from greenish yellow to yellowish brown confirmed the synthesis...
This talk presents a new series of chiral bio-nanoclays by the modification of Cloisite Na+ with several different natural amino acids. Cloisite Na+ was swelled in water and ion exchange reactions were performed using hydrochloride salt of different amino acids. The resulting products were fully characterized by X-ray diffraction (XRD), thermogravimetric analysis (TGA), Fourier transform infrared...
Natural zeolites are bioactive materials. They have different applications; they are used as additives in animal feeds to support biomass production and used to treat stomach ulcers incisions in humans as they act as buffers to reduce stomach acidity. Based on different health applications, structural stability of zeolite during digestion is important to understand possible interactions, positive...
Human bone is a hydroxyapatite HAp (HCa5O13P3) and type I collagen based composite. Nowadays, many methods and techniques have been developed and applied to design advanced materials for bone replacement. A strategy for imitating in a tridimensional way the structure, composition and mechanical properties of a bone is mimicking it at nanometric scale. This can be carried out, by incorporating selective...
The materials surface plays an extremely important role in the response of the biological environment to the artificial medical devices. The initial protein interactions with implant surfaces are very important and therefore, it is clear that if the surface morphology, structure, composition, and properties are changed, cell functions are influenced. Nanoscale materials are thought to interact with...
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