Overview

Silica glyconanoparticles merge the characteristics of silica with the specific recognition abilities of glycans, presenting a broad spectrum of potential uses. The advancement of silica glyconanoparticles is propelled by the demand for sophisticated materials in diverse fields. In biomedicine, they hold great potential for targeted drug delivery, since the glycan components can interact specifically with cell surface receptors, facilitating the precise delivery of therapeutic substances to diseased cells. Furthermore, their application in biosensing is of significant interest, as they can selectively bind to biomarkers, enabling sensitive and specific detection of diseases. In the domain of materials science, silica glyconanoparticles can be integrated into composites to enhance mechanical and functional attributes. They also demonstrate potential in catalysis, where their surface chemistry can be customized to promote specific reactions.

Elevate Your Research with our Superior Silica Glyconanoparticle Production

CD BioGlyco is equipped with an extremely advanced GlycoNano™ Platform and has accumulated rich and profound research experience in the broad and intricate domain of glyconanomics. We are committed to offering a wide and all-encompassing range of glyconanoparticle production services to our esteemed clients. Within this context, we are proficient in fabricating nanoparticles that include but are not restricted to, Carbohydrate-based Nanoparticle, Gold Glyconanoparticle, Silver Glyconanoparticle, Magnetic Glyconanoparticle, Quantum Dot (QD), and silica glyconanoparticles. Our competencies extend to ensuring the accurate synthesis and optimization of these nanoparticles, conforming to the loftiest standards of quality and performance.

Control the Size and Shape of Silica Glyconanoparticle

During the process of synthesizing particles, several factors affect the size and shape of the particles. We control the size of the example by controlling the regulation of reaction conditions, including reaction temperature, reaction time, reactant concentration, etc. For example, a higher reaction temperature and a longer reaction time may increase the particle size, and a lower reactant concentration may facilitate the formation of smaller particles. At the same time, we control the size and shape of the particles by using templates to limit the growth space of the particles, such as mesoporous materials, polymer microspheres, etc. The selection and concentration of suitable surfactants and their concentration also affect the nucleation and growth process of particles, and different types and concentrations of surfactants have different effects on the size and shape of particles.

Characterization of Silica Glyconanoparticle

We characterize the synthesized nanoparticles by various techniques and methods:

• Transmission electron microscopy (TEM): It is used to observe the morphology and structure of the nanoparticles and to confirm their homogeneous pore structure and diameter.
• Dynamic light scattering (DLS): It is used to measure the hydrated diameter of the nanoparticles and to assess their dispersion and particle size distribution in solution.
• Raman spectroscopy: This is used to confirm chemical changes during the functionalization process, such as the appearance and disappearance of thiol absorption peaks, indicating the formation of disulfide bonds.
• Fourier transform infrared spectroscopy (FTIR): It is used to detect the presence of different chemical groups in the functionalized nanoparticles, e.g. characteristic absorption peaks of disulfide bonds.
• Specific surface area analysis (BET): This is used to evaluate the specific surface area and pore size of nanoparticles and confirm the characterization of their porous structure.

Workflow

First, we use an improved synthesis method to synthesize fluorescein isothiocyanate (FITC)-silane by reacting FITC with 3-aminopropyl triethoxysilane. Then, our experts prepared mesoporous silicon nanoparticles with uniform and good mesoporous structure by sol-gel method. Subsequently, the synthesized mesoporous silicon nanoparticles are functionalized. The nanoparticles are thiolated with 3-mercaptopropyl trimethoxysilane to form mercaptol particles (FMSNSH). Subsequently, the particles of perfluorophenyl azide (PFPA) group with disulfide bond are further modified with 2-(pyridine-2-yl disulfide) -ethyl 4-fluorobenzoate (FMSNPFPA). Finally, under ultraviolet light, the nanoparticles are glycosylated. Photoinduced azene chemistry is used to convert PFPA azide groups into azene, which then reacts with glycan to obtain silica glyconanoparticle.

Applications

• Silica glyconanoparticles can be used for drug delivery, where the sugar portion of the surface specifically recognizes the target cell for precise drug delivery.
• Silica glyconanoparticles are doped with fluorescent substances, such as FITC, and can be used for imaging studies of cells and tissues to help track biological processes and disease progression.
• It can be used to build highly sensitive and selective biosensors for detecting biomolecules and pathogens.

Advantages

• We modify and functionalize the glycan groups on the surface according to your needs so that they can specifically interact with biomolecules or cells.
• Our technology allows precise control of particle size, shape, porosity, and surface chemistry to meet the specific needs of different applications.
• The nanoparticles that we synthesize typically exhibit lower biotoxicity and better compatibility with biological systems.

Publication Data

Frequently Asked Questions

• How does the surface glycan of the nanoparticles affect its performance and application?

  In terms of biometrics, specific glycan can bind specifically to receptors in organisms (such as proteins and cell surface receptors), giving nanoparticles specific targeted recognition capabilities. Hydrophilic, glycol groups are usually hydrophilic, which improves the dispersion and stability of nanoparticles in aqueous solutions. In terms of immune response regulation, certain glycans can regulate the response of the immune system to nanoparticles, reduce immune rejection, and thus improve biocompatibility.

• How stable is silica glyconanoparticle in vivo?
  The stability of the nanoparticles depends to some extent on the particle size, surface chemistry, and the type and density of surface glycol groups. Smaller-sized particles may be more easily cleared by organisms, while larger-sized particles may stay in the bloodstream for longer. Surface chemistry is also crucial for stability. Suitable surface modifications can reduce non-specific interactions with molecules such as proteins in organisms and reduce the risk of phagocytosis by macrophages, thereby improving stability.

CD BioGlyco makes use of cutting-edge technologies and methods to ensure that the produced silica glyconanoparticles display outstanding properties and functionality, fulfilling the diverse and specific demands of our clients. In case you require our service, please feel free to contact us!