Related Experiment Video
Updated: Mar 10, 2026

Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis
Published on: February 9, 2021
Antibody-coupled hydroxyapatite nanoparticles as efficient tools for labeling intracellular proteins
Fabiola Vázquez-Hernández1, Salvador Mendoza-Acevedo2, Claudia Oliva Mendoza-Barrera3
1Programa de Doctorado de Nanociencias y Nanotecnología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), Av. IPN 2508, Col. San Pedro Zacatenco, C.P. 07360 Ciudad de México, Mexico.
Researchers developed smart hydroxyapatite nanoparticles for targeted delivery. These functionalized nanoparticles can localize specific molecules, like actin, within cells, advancing biosensing and drug delivery applications.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Cell Biology
Background:
- Smart biomaterials enable active targeting for biosensing, gene/drug delivery, and bioimaging.
- Functional additives are selected based on material carrier properties, such as functional mercapto acids.
- Target identification requires biomaterials functionalized with specific recognizing molecules on their surface.
Purpose of the Study:
- To establish a novel protocol for creating smart hydroxyapatite nanoparticles.
- To functionalize hydroxyapatite nanoparticles with 3-mercaptopropionic acid and anti-Actin molecules.
- To enable the localization of actin molecules within cells using these engineered nanoparticles.
Main Methods:
- Synthesis of hydroxyapatite nanoparticles.
- Functionalization of nanoparticles with 3-mercaptopropionic acid.
- Conjugation of anti-Actin antibodies to the functionalized nanoparticles.
Main Results:
- Successful creation of smart hydroxyapatite nanoparticles.
- Demonstration of nanoparticle capability to bind and localize actin molecules.
- Potential for targeted cellular applications.
Conclusions:
- The developed protocol yields functionalized hydroxyapatite nanoparticles for targeted molecular localization.
- These smart nanoparticles show promise for advanced applications in cellular research and therapeutics.
- This approach advances the field of targeted drug delivery and bioimaging.
Related Concept Videos
Immunogold Electron Microscopy
Labeling DNA Probes
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...

