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Showing 1 to 20 of 408 for “"Gold nanoparticles"”.
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Optimization of Gold Nanoparticles for Radiotherapy
… radiotherapy outcomes can be achieved by using nanoparticles, especially those with high atomic number (Z), that interact with ionising radiation to generate secondary electrons and reactive species that increase cellular damage. One of the most promising elements to use is gold, in the form of …
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Study on gold nanoparticles for biological applications
Gold nanoparticles have attracted much attention in the field of biological research, especially in biological imaging and sensing due to their unique physical properties. Fluorescence is a highly-sensitive, non-invasive biological study method and has been widely used in a variety of research …
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Detailed analysis of ligands on gold nanoparticles
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-20 without embargo terms
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Sensing Applications of Silver and Gold Nanoparticles
… molecule detection. Noble metals, such as gold (Au) and silver (Ag), because of their distinguished optical property"localized surface plasmon resonances (LSPRs) that exhibit low loss, are ideal materials to fabricate these nanoscale plasmonic particles or structures. This work addresses …
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Supported catalysts, from polymers to gold nanoparticles supports
… and solubility was observed. In chapter 6, gold monolayer protected clusters (MPC) were investigated as potential candidates as supports. To examine the potential of MPC as a support, a NHC-Pd complex was graphted onto the particles. To functionalize the gold nanoparticles, a new method was …
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Phosphonium-functionalised gold nanoparticles for mitochondria targeted therapeutics.
… can be used to prepare cationic, water-soluble gold nanoparticles with mean core sizes in the range of 2.5-5 nm. Phosphonium-functionalised gold nanoparticles have been characterised by a number of techniques including NMR, LDI-MS, SIMS, XPS, TGA, ICP-MS, MALDI-MS and TEM.Cytotoxicity studies …
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Lanthanide Functionalised gold nanoparticles as MRI contrast agents
… This ligand was utilised for stabilisation of gold nanoparticles. The gold nanoparticles protected by DTPA based ligand were characterised using UV-Vis, NMR spectroscopies, TGA and TEM. The nanoparticles were then loaded with gadolinium. The relaxivity of gadolinium loaded gold nanoparticles …
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Function of multicopper oxidases adsorbed on gold nanoparticles /
… functions of multicopper oxidases adsorbed on gold nanoparticles are studied. As multicopper oxidases, laccases and human ceruloplasmin are used. The enzymes have been employed in electrochemical systems consisting of gold electrodes covered by gold nanoparticles and enzymes. For the first time …
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Catalytic oxidation of 4-dimethylaminobenzaldehyde by gold nanoparticles
Includes bibliographical references (pages 102-104).
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Radiation Dosimetry in the Presence of Gold Nanoparticles
The use of gold nanoparticles (GNPs) to enhance the dose due to radiation, through increased photoelectric effect interactions, has shown promise in vivo and in vitro. Monte Carlo studies have worked towards quantifying the dose enhancement and the dosimetry surrounding GNPs. This thesis …
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Size Dependent Antimicrobial Properties of Sugar Encapsulated Gold Nanoparticles
… properties of dextrose encapsulated gold nanoparticles (dGNPs) with average diameters of 25 nm, 60 nm, and 120 nm (± 5 nm) synthesized by green chemistry principles were investigated against both Gram-negative and Gram-positive bacteria. Studies were performed involving the effect of …
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Engineering Gold Nanoparticles And Their Use To Control Nucleation
… on fabrication of hybrid nanostructures using gold nanoparticles (AuNP) as seeds and partially oxidized potassium tetracyanoplatinate, known as Krogmann’s salt (KCP), and later this method will be employed to manufacture a prototype sensor for detecting different vapors. Nanocrystals are …
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Diffusion Of Gold Nanoparticles In Synthetic And Biopolymer Solutions
… many technological applications.</p> <p>We used gold nanoparticles (Au NPs) to investigate the length-scale dependent dynamics in semidilute poly(ethylene glycol) (PEG)-water, bovine serum albumin (BSA)-phosphate buffer, dextran and particulate solutions. In case of PEG-water solutions, …
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Photoelectrochemical imaging of gold nanoparticles by light-activated electrochemistry
The concept of light-activated electrochemistry (LAE) on Si was developed as a single-wire electrode array where a light pointer created localized conductive channels on a monolithic monolayer-terminated Si electrode and allowed undertaking spatially-resolved faradaic electrochemistry on the …
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Surface-Enhanced Vibrational Spectroscopies using Electrodeposited Anisotropic Gold Nanoparticles
Electrodeposited anisotropic gold nanostructures with the morphology of daggers are produced from a plating solution of gold (III) salt and 4-methoxypyridine (MOP) on a thin film indium tin oxide (ITO) working electrode. The gold nano-daggers (AuND) were demonstrated to be suitable for …
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GLYCOSAMINOGLYCAN COATED GOLD NANOPARTICLES FOR TARGETED BREAST CANCER THERAPY
… targeting ligands in targeted cancer therapy. Gold nanoparticles have been demonstrated to be highly useful for enhancing the delivery efficacy of a wide range of compounds. In this study, AuNP-oHA and AuNP-CS were synthesized using the ‘one-pot’ synthesis method. Both AuNP-oHA and AuNP-CS …
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Kinetically Controlled Synthesis of Triblock Copolymer Stabilized Gold Nanoparticles
… and economic impact of organic solvents in gold nanoparticle synthesis have motivated the search for more environmentally benign alternatives. One viable approach is the synthesis of AuNPs from tetrachloroauric(III) acid (HAuCl4) using triblock copolymers (TBPs). However, a major challenge …
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