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Concept
Nanoparticle–biomolecule conjugate
Résumé
A nanoparticle–biomolecule conjugate is a nanoparticle with biomolecules attached to its surface. Nanoparticles are minuscule particles, typically measured in nanometers (nm), that are used in nanobiotechnology to explore the functions of biomolecules. Properties of the ultrafine particles are characterized by the components on their surfaces more so than larger structures, such as cells, due to large surface area-to-volume ratios. Large surface area-to-volume-ratios of nanoparticles optimize the potential for interactions with biomolecules.
Major characteristics of nanoparticles include volume, structure, and visual properties that make them valuable in nanobiotechnology. Depending on specific properties of size, structure, and luminescence, nanoparticles can be used for different applications. Imaging techniques are used to identify such properties and give more information about the tested sample. Techniques used to characterize nanoparticles are also useful in studying how nanoparticles interact with biomolecules, such as amino acids or DNA, and include magnetic resonance imaging (MRI), denoted by the solubility of the nanoparticles in water and fluorescent. MRI can be applied in the medical field to visualize structures; atomic force microscopy (AFM) that gives a topographic view of the sample on a substrate; transmission electron microscopy (TEM) that gives a top view, but with a different technique then that of atomic force microscopy; Raman spectroscopy or surface enhanced Raman spectroscopy (SERS) gives information about wavelengths and energy in the sample. ultraviolet-visible spectroscopy (UV-Vis) measures the wavelengths where light is absorbed; X-ray diffraction (XRD) generally gives an idea of the chemical composition of the sample.
Nanoparticles
Nanomolecules can be created from virtually any element, but the majority produced in today's industry use carbon as the basis upon which the molecules are built around. Carbon can bond with nearly any element, allowing many possibilities when it comes to creating a specific molecule.
Source officielle
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