Targeted Drug Delivery System for Aptamer-Nanocarrier Conjugation

Targeted Drug Delivery System for Aptamer-Nanocarrier Conjugation

Cell-specific aptamers can be coupled to therapeutic drugs (e.g. siRNA, miRNA, therapeutic aptamers, chemotherapeutic drugs) or other drug carriers (organic or inorganic nanocarriers) to exploit the high affinity and specificity of the aptamer to increase the local concentration and therapeutic effect of the drug in the target tissue.

CD Bioparticles provides an aptamer-nanocarrier coupling system for targeted drug delivery, which helps to elucidate the mechanism of action of aptamer-nanocarrier coupling in drug delivery cells and provides an important reference for the pre-design of aptamers.

Aptamer-Nanocarrier Conjugation Service Background

In addition to direct coupling with drugs, aptamers can also modify nanocarriers loaded with different drugs. Currently, aptamers have been successfully applied for the targeted delivery of drug carriers such as gold nanoparticles, iron oxide nanoparticles, quantum dots, liposomes and micelles.

The rapid development of nanomaterials provides a good platform for drug delivery. The tiny size of some nanomaterials makes them easy to pass through tissues and cells, thus enhancing permeability and prolonging retention time at the target site. Aptamer-nanomaterial coupling for drug delivery is currently attracting a great deal of attention from scientists.

The most commonly used nanomaterials for drug delivery include gold nanomaterials, quantum dots, silica nanoparticles, liposomes, superparamagnetic iron oxide nanoparticles, carbon nanotubes, graphene, mesoporous materials, covalent organic backbones, and a number of other novel nanomaterials.

Graphical representation of various theranostic nanomedicine approaches that can be used for diagnosis and treatment. Fig. 1 Graphical representation of various theranostic nanomedicine approaches that can be used for diagnosis and treatment. (Madamsetty VS, et al., 2020)

Our Aptamer-Nanocarrier Conjugation Services

CD Bioparticles is engaged in the research of aptamer-nanocarrier coupling for targeted drug delivery systems and utilizes our core technology to design aptamer-nanocarrier couplings that provide more targeted drug delivery than carrier systems alone. With our high-quality services, you can lay the foundation for your experimental research in the field of targeted drug delivery.

CD Bioparticles offers these services below, as well as customized experimental protocols and services to suit your needs. The services we offer include but are not limited to the following.

Aptamer Applications

  • Aptamer Sensors

Aptamers can be applied to the construction of different types of biosensors for the detection of cancer-related biomolecules and cancer cells, improving the selectivity of target detection.

  • Aptamers for Cancer Imaging

Aptamers bind strongly to their targets and are therefore used for the detection of a wide range of biomolecules or cancer cells.

Quotations and Ordering

If you are interested in our services, please do not hesitate to contact us for more detailed information.


  1. Madamsetty VS, Paul MK, Mukherjee A, et al. Functionalization of Nanomaterials and Their Application in Melanoma Cancer Theranostics. ACS Biomater Sci Eng. 2020; 6 (1): 167-181.
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