Could this be the END of cancer?
In a groundbreaking development, chemist James Tour from Rice University has introduced a new generation of molecular machines, dubbed "molecular jackhammers." These innovative machines operate over a million times faster than previous Feringa-type motors, with the added advantage of being activated by near-infrared light instead of visible light.
The significance of using near-infrared light cannot be overstated. It allows for deeper penetration into the body, opening up new possibilities for treating cancers located in bones and organs without the need for invasive surgery. This approach has the potential to revolutionize cancer treatment.
In laboratory tests involving cultured cancer cells, these molecular jackhammers achieved a remarkable 99 percent success rate in destroying the cells. Further, when tested on mice with melanoma tumors, half of the animals were completely cured of cancer.
The secret to the efficacy of these molecular machines lies in the structure and chemical properties of aminocyanine molecules. These molecules remain synchronously active under the right stimulus, such as near-infrared light. During activation, the electrons within the molecules generate plasmons, collectively vibrating entities that facilitate movement across the entire molecule.
Chemist Ciceron Ayala-Orozco, also from Rice University, emphasizes the novel mechanism underpinning these machines. This is the first known instance where a molecular plasmon is used to energize an entire molecule, resulting in mechanical action aimed at a specific objective, namely destroying cancer cells' membranes.
The plasmons in these molecules feature an arm-like structure on one side, which aids in attaching the molecules to cancer cell membranes. The vibrational movements then effectively break apart these membranes. While this research is still in its early stages, the initial results are highly promising, suggesting a bright future for this innovative cancer treatment approach.
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Andrew Green
Warehouse AI
Assistant Professor at University of Texas MD Anderson Cancer Center
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