Related Experiment Video
Updated: Jun 9, 2025
09:52
Detection and Isolation of Circulating Melanoma Cells using Photoacoustic Flowmetry
Published on: November 25, 2011
15.8K
A Nanoparticle-Coated Cellulose Acetate Membrane for Highly Efficient, Low-Cost Circulating Tumor Cell Detection
Yize Zhao1, Yaqi Pan2, Hao Sun3
1Key Laboratory of Bio-Based Materials Science & Technology (Ministry of Education), College of Materials Science and Engineering, Northeast Forestry University, Harbin 150040, China.
Biosensors
|October 25, 2024
Summary
This study introduces a cost-effective method for detecting circulating tumor cells (CTCs) using a novel nanoparticle-coated membrane and a COF-based nanozyme. This approach significantly lowers the financial burden of cancer diagnostics.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Cancer Diagnostics
Background:
- Circulating tumor cell (CTC) detection is crucial for cancer management, serving as an indicator of tumor progression and metastasis.
- Current commercial CTC detection methods are prohibitively expensive due to the need for specialized antibodies and complex equipment.
- Developing affordable and efficient CTC detection techniques is essential for broader clinical application.
Purpose of the Study:
- To develop a low-cost, highly sensitive method for detecting circulating tumor cells (CTCs).
- To create a novel cellulose acetate membrane functionalized with melamine-furfural nanoparticles for efficient CTC capture.
- To enable quantitative CTC detection using a covalent organic framework (COF)-based nanozyme and colorimetry.
Main Methods:
- Fabrication of a cellulose acetate membrane coated with melamine-furfural nanoparticles to create a nanostructured surface for CTC capture.
- Utilizing the nanostructured membrane for highly efficient isolation of sparse CTCs from blood samples.
- Quantitative detection of captured CTCs via colorimetry employing a COF-based nanozyme.
Main Results:
- Achieved highly efficient capture of sparse CTCs using the nanostructured membrane.
- Demonstrated quantitative CTC detection with a colorimetric assay.
- Established a low limit of detection (LOD) of 3 cells/mL, the lowest reported for colorimetric methods.
- The developed method is cost-effective due to inexpensive materials and robust nanozymes.
Conclusions:
- The novel CTC detection approach offers a significant reduction in cost compared to existing commercial methods.
- The use of nanoparticle-coated membranes and COF-based nanozymes presents a promising, affordable alternative for cancer diagnostics.
- This technology has the potential to alleviate the financial burden associated with commercial CTC detection, improving accessibility.
