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Tryptophan enforced alg-iron oxide nanoconjugates: A potential evalution for synergistic cancer therapy

  • 0School of Advanced Sciences (SAS), Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India.
Biochimica Et Biophysica Acta. General Subjects +

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June 6, 2025

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June 6, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

Researchers developed alginate-coated iron oxide nanoparticles conjugated with tryptophan for cancer therapy. These nanoparticles show excellent magnetic properties, thermal stability, and biocompatibility, indicating potential for targeted cancer treatment.

Area Of Science

  • Biomedical Engineering
  • Nanotechnology
  • Materials Science

Background

  • Magnetic nanoparticles (MNPs) are crucial for cancer diagnosis and therapy due to their superparamagnetic properties and use in contrast imaging.
  • Surface functionalization of iron oxide nanoparticles (IONPs) is critical for managing toxicity, circulation, and agglomeration for clinical applications.
  • Sodium alginate, a natural biomaterial, is widely used in tissue engineering.

Purpose Of The Study

  • To investigate the properties of alginate-coated IONPs conjugated with tryptophan for targeted cancer therapy.
  • To evaluate the physico-chemical, magnetic, thermal, hyperthermia, antioxidant, and biocompatibility characteristics of the developed nano-conjugate.

Main Methods

  • Fabrication of alginate-coated IONPs conjugated with tryptophan.
  • Physico-chemical characterization using X-ray Diffraction (XRD) and Fourier-Transform Infrared Spectroscopy (FT-IR).
  • Magnetic property evaluation using Vibrating Sample Magnetometry (VSM).
  • Thermal stability assessment via Thermogravimetric Analysis (TGA).
  • Hyperthermia activity and antioxidant property evaluation.
  • Biocompatibility testing on NIH-3T3 cell lines.

Main Results

  • The nano-conjugate exhibited good superparamagnetic behavior and excellent thermal stability.
  • Demonstrated significant hyperthermia activity with a high specific absorption rate.
  • Showcased potential antioxidant and scavenging activity.
  • NIH-3T3 cell line studies confirmed no toxic effects, indicating good biocompatibility.

Conclusions

  • The developed alginate-coated IONPs conjugated with tryptophan are a promising biocompatible nano-system.
  • The nano-conjugate possesses effective magnetic, thermal, and therapeutic properties for cancer targeting.
  • This nano-conjugate represents an efficient agent for future cancer nanomedicine applications.

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