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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.


Please check our list to choose the Nanoparticles you want and feel free to contact us for more information.



Gold nanoparticles, with their unique optical property, can be used as biosensors within living cells... ...


 Gold Nanoparticles




Silver nanoparticles have been at the forefront of recent nanotechnology research, with applications ranging between ... ...


Silver Nanoparticles




Magnetic nanoparticles (MNPs) with sizes between 10 and 100 nm, made of magnetic elements like iron... ...


Magnetic Particles




Silica nanoparticles have high stability and low toxicity due to the mesoporous structures, chemical functionality... ...


Silica Particles




Quantum dots (QDs) are a kind of quasi-zero-dimensional semiconductor nanocrystal, with a radius smaller than... ...


Quantum Dots




Alpha Lifetech Inc., a provider of advanced materials, is committed to delivering high-quality polymer particles for a wide... ...


Polymer Particles




Single-domain antibodies, known as nanobodies (Nbs), are antibody fragments consisting of a single monomeric... ...


Single Domain Antibody-Based Traps


Experience the difference with the high-quality protein-based fluorescent nanoparticles Designed to enhance... ...


Protein-Based Fluorescent Nanoparticles


Antimicrobial nanoparticles are nano-sized particles (typically 1 to 100 nanometers), which show microbicidal activities... ...


Antimicrobial Functional Materials Nanoparticles