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Gold and Silver Coated Nano Particles: Characterizing Coating Thickness for Nano-scale Drug Delivery
28 Jul 2013This application note describes how, using the technique of Differential Centrifugal Sedimentation (DCS), peaks in particle size distributions for both the coated and uncoated particles can easily be separated and resolved; making this technique an ideal characterization tool, enabling coating thickness to be measured and the coating process monitored.
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Biopharmaceutical AdvancesBiopharmaceutical advances follow the development of pharmaceuticals derived from biotechnology, also known as biotechnology medicines. Biopharmaceuticals may be produced from cell lines, plants, or microbial cells. Important considerations of biopharmaceutical use include application, cost, production process and purification.Clinical TrialsClinical Trials, an essential part of drug discovery process, assess the safety and effectiveness of a new medication or device in the pharmaceutical industry. Clinical Trials are a phased process (Phase 0, Phase I, Phase II, Phase III and Phase IV) which begins after initial preclinical testing.Particle CharacterizationParticle characterization instruments are used to determine particle size distribution, shape, surface area, zeta potential, density and porosity of particles and materials. Multiple tecchniques are available for determining particle size, shape and count including dynamic light scattering (DLS), laser diffraction, electrozone (Coulter technique), imaging particle analysis and single particle optical sensing. Determine the density of your material with a gas pycnometer or examine its surface area and porosity with gas adsorption analyzers and mercury porosimeters. Find the best particle characterization instruments in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Drug DosageDosage is the size or frequency of the administration of a drug. Determination of the dosage of a drug is critical in pharmaceutical development to ensure the optimum balance between efficacy and toxicity.
