PEI-modified silver nanoparticles

Product Name PEI-modified silver nanoparticles Product OverviewPEI modified silver nanoparticles are based on PEG silver particles modified with PEI, and through this modification, the nanoparticles are positively charged. Technical Parameter Densityt:0.1 mg/mL Solvent:水 Diameter:20,30,40,50,60,70,80 ,90, 100nm Product Features Hydrophilicity: PEI is a polymer rich in amino groups and has good hydrophilicity, which makes PEI modified silver nanoparticles have good dispersibility in water, which is beneficial for applications in biomedical and other fields. Functionalized surface: PEI modification improves the surface properties of silver nanoparticles, such as protecting and delivering nucleic acid drugs through cationic properties, as well as promoting binding to cells and intracellular release. Adjustable: PEI modification allows the surface of silver nanoparticles to be adjusted as needed to meet different application requirements, such as the design and optimization of drug delivery systems. Antibacterial effect: Silver nanoparticles themselves have good antibacterial properties, and PEI modification further enhances their antibacterial effect, which makes PEI modified silver nanoparticles have potential application value in the preparation of antibacterial materials. Optical properties: PEI modified silver nanoparticles have a large absorption cross-section and surface plasmon resonance optical properties, which make them have potential applications in dark field optical imaging and fluorescence enhancement. Application Fields PEI modified silver nanoparticles have a wide range of applications, including but not limited to the following aspects: Drug delivery and gene delivery: PEI modified silver nanoparticles can serve as carriers for drug and gene delivery due to their excellent biocompatibility and chemical stability. The cationic properties of PEI help protect nucleic acid drugs and promote their binding to cells as well as intracellular release. Biomolecular detection and tissue engineering: Thanks to its large absorption cross-section and surface plasmon resonance optical properties, PEI modified silver nanoparticles have applications in biological immune detection, protein labeling, dark field optical imaging, and other fields. Meanwhile, due to their excellent surface properties, these materials can also be used to prepare efficient and safe nanomedicines for tissue engineering research. Efficient antibacterial performance: Silver nanoparticles themselves have good antibacterial properties, and PEI modification may further enhance their antibacterial effect. This makes PEI modified silver nanoparticles a good choice for preparing antibacterial materials, which can be used in medical, health and other fields to inhibit bacterial growth and spread. Fluorescence enhanced substrate: As a fluorescence enhanced surface enhanced Raman substrate material, PEI modified silver nanoparticles have potential applications in biomolecule detection, which can enhance signals and improve detection sensitivity. Related Information Please e-mail for the detailed characterization data. E-mail:sales@xfnano.com