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A nanoparticle or ultrafine particle is usually defined as a particle of matter between 1 and 100 nanometres (nm) in diameter. Nanoparticles have received enormous attention as a promising tool to enhance target-specific drug delivery and diagnosis. For diagnostic applications, the specificity and sensitivity of imaging can be significantly improved by using nanoparticles as contrast enhancement agents. Nanoparticles enable targeted and controlled drug delivery and various in vitro and in vivo techniques characterize a new system and predict its clinical efficacy.



Applications of nanotechnology in biology include genetic engineering, drug delivery, detection, diagnosis, cancer treatment, and agriculture. One of the most well-known uses of nanotechnology is in drug delivery.


Schematic representation of a 2 nm Au NP


Nanoparticles can be prepared from a variety of materials such as proteins, polysaccharides and synthetic polymers. The selection of matrix materials is dependent on many factors including (a) the size of nanoparticles required; (b) the inherent properties of the drug, e.g., aqueous solubility and stability; (c) surface characteristics such as charge and permeability; (d) the degree of biodegradability, biocompatibility,  and toxicity; (e) the drug release profile desired; and (f) the antigenicity of the final product.


Nanoparticles based on liposome


As a supplier and solution partner of high-quality nanoparticles and nanotechnology-based products, Alpha Lifetech Inc. provides highly uniform nanoparticles widely used in biological research, including Gold Nanoparticles, Silver Nanoparticles, Magnetic Particles, Silica Particles, Quantum Dots, Protein-Based Fluorescent Nanop, Single Domain Antibody-Based Traps, Antimicrobial Functional Materials, Polymer Particles and Titania Nanoparticles.


The key features of our nanoparticles are:


--Monodisperse, without agglomeration or aggregation

--Comprehensive characterization, including TEM, UV-Vis, etc.

--Wide particle size range

--Surface properties include functionalized, coated or conjugated biomolecules.

--Broad applications


Alpha Lifetech Inc. offers a wide range of nanoparticles with different surface properties and sizes to suit your research needs. We are committed to offering our business partners and customers innovative and cutting-edge solutions in nanotechnology. Please check our list to choose the nanoparticle you want. For more information, don't hesitate to get in touch with us and our technical support team will get back to you as soon as possible.