Breakthrough in Cancer Treatment: MoS Nanoflakes Show Promise in Chemo-Photothermal Therapy

Scientists at Islamic Azad University have made a significant discovery in the field of cancer treatment using MoS nanoflakes. According to a recent study published in Scientific Reports, researchers have created a nanocomposite that combines MoS nanoflakes with FeO nanoparticles, gold nanorods, and copper sulfide, which shows great potential in synergistic chemo-photothermal cancer therapy. The MCG nanocomposite demonstrated high photothermal heat production, efficient drug release, and targeted therapy, making it a promising tool for cancer treatment.

Key Takeaways:

• The MCG nanocomposite consists of MoS nanoflakes, FeO nanoparticles, gold nanorods, and copper sulfide, which was designed to investigate chemo-photothermal therapy in cancer treatment.
• The structural and optical properties of the MCG nanocomposite were characterized using X-ray diffraction (XRD), Transmission electron microscopy (TEM), Zeta potential, Dynamic Light Scattering (DLS), Fourier transform infrared (FTIR), and Ultraviolet-visible (UV-Vis) spectroscopies.
• The MCG nanocomposite produced higher photothermal heat compared to each individual sample alone when exposed to 808 nm NIR laser irradiation at a power density of 1 W/cm after 10 min.
• The release of DOX was greatly accelerated at pH = 5.5 compared to pH = 7.4 under NIR laser irradiation, indicating a dual-responsive system.
• The relative viabilities of HeLa cells decreased when the concentration of drug increased, demonstrating the effectiveness of the MCG nanocomposite in synergistic chemo-photothermal cancer therapy.
• The study concluded that the MCG nanocomposite could be a potent system for targeted drug delivery and synergistic chemo-photothermal cancer therapy.

Statistics:

• The MCG nanocomposite generated higher photothermal heat than individual samples alone, with a power density of 1 W/cm after 10 min.
• The release of DOX was accelerated at pH = 5.5, resulting in a significant increase in drug release compared to pH = 7.4.
• The relative viabilities of HeLa cells decreased by a certain percentage when the concentration of drug increased.

Sources:

• "MoS2-Based nanocomposite for synergistic chemo-photothermal cancer therapy." Scientific Reports, 2025;15(1):22788.
• Islamic Azad University, Department of Biochemistry, Shahrood Branch, Islamic Azad University, Shahrood, Iran.
• Nature Portfolio, Heidelberger Platz 3, Berlin, 14197, Germany.
• NewsRx LLC, 2025, "Islamic Azad University Reports Findings in Cancer (MoS2-Based nanocomposite for synergistic chemo-photothermal cancer therapy)." Nanotechnology Weekly. July 14, 2025; p 602.