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Malaria theranostics using hemozoin-generated vapor nanobubbles.

Ekaterina Y Lukianova-Hleb¹, Dmitri O Lapotko²

¹1. Department of Biochemistry and Cell Biology, Rice University, Houston, TX;

|June 3, 2014

Summary

This study introduces a novel laser-based method for malaria treatment. It uses nanobubbles to detect and destroy malaria parasites in infected red blood cells, offering a drug-free, highly effective solution.

Keywords:

hemozoin laser malaria theranostics.vapor nanobubble

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Evaluation of Extracellular Vesicle Function During Malaria Infection

Evaluation of Extracellular Vesicle Function During Malaria Infection

Published on: February 14, 2018

Area of Science:

Biomedical Engineering
Parasitology
Nanotechnology

Background:

Malaria is a significant global health threat, complicated by drug resistance.
Current diagnostic and therapeutic strategies for malaria face challenges.
There is a critical need for early detection and innovative parasite destruction methods.

Purpose of the Study:

To develop a single theranostic procedure for malaria detection and destruction.
To exploit hemozoin crystals' properties for parasite elimination.
To establish a drug-free method for combating malaria infection.

Main Methods:

Utilizing laser-induced transient vapor nanobubbles generated around hemozoin crystals.
Employing optical scattering signals for parasite detection.
Leveraging the mechanical impact of nanobubbles for parasite destruction.

Main Results:

Achieved up to 95% destruction of malaria parasites in vitro after a single treatment.
Demonstrated 8-fold higher parasiticidal efficacy compared to chloroquine.
Showcased high selectivity, sparing uninfected erythrocytes.

Conclusions:

Laser-induced nanobubble generation offers a dual-action theranostic approach for malaria.
This method provides rapid, specific detection and destruction of malaria parasites.
The technique presents a promising drug-free alternative for malaria treatment.