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Scientists from the Indian Institute of Science (IISc) have made significant progress in the detection and elimination of cancer cells. They have developed hybrid nano particles comprising gold and copper sulphide that can effectively kill cancer cells by generating heat while also allowing for their detection using sound waves. This breakthrough technology aims to detect cancer cells early and improve treatment outcomes.

Early detection and prompt treatment are crucial in the fight against cancer. Copper sulphide nano particles have previously been explored for their potential in cancer diagnosis. Similarly, gold nano particles have been found to have anti-cancer effects when chemically modified to target cancer cells. In this study, researchers at IISc combined the properties of both to create hybrid nano particles.

The hybrid nano particles possess photothermal, oxidative stress, and photoacoustic properties. When exposed to light, these nano particles absorb the light and generate heat, effectively killing cancer cells. Furthermore, they produce singlet oxygen atoms that are toxic to the cells, enhancing their ability to eliminate cancer cells.

Apart from their cancer-killing potential, the nano particles can also aid in the diagnosis of certain types of cancer. Traditional methods such as CT and MRI scans require trained radiology professionals to interpret the images. However, the photoacoustic property of the hybrid nano particles allows them to absorb light and generate ultrasound waves. These waves enable the detection of cancer cells with higher contrast once the nano particles reach them. Ultrasound waves also provide better clarity and can measure the oxygen saturation in the tumor, further improving detection accuracy.

The researchers believe that this technology can be integrated with existing detection and treatment systems. For instance, the nano particles can be activated to produce heat by illuminating them with light using an endoscope typically used for cancer screening. Moreover, the nano particles’ small size, less than 8 nm, allows them to penetrate tissues more easily and reach tumors effectively.

While the researchers have conducted tests on lung cancer and cervical cancer cell lines in the laboratory, further studies are needed to determine the nano particles’ safety and effectiveness within the human body. Once these studies are completed, the researchers plan to advance the findings for clinical development.

In conclusion, the development of hybrid nano particles by IISc scientists holds enormous potential in the fight against cancer. By combining the properties of gold and copper sulphide, these nano particles can effectively detect and eliminate cancer cells. This breakthrough technology could revolutionize cancer diagnosis and treatment, providing new hope for patients worldwide.

The African Union was formally inducted as a permanent member of the G20 Summit 2023 held in New Delhi on 11th September.

The African Union was formally inducted as a permanent member of the G20, a significant milestone under India’s presidency of the group. This is expected to strengthen the voice of the Global South in the G20.
The G20 leaders adopted the Delhi Declaration, which outlines their commitment to a number of issues, including:
1. Addressing the global food crisis
2. Promoting sustainable energy
3. Investing in infrastructure
4. Strengthening global health
5. Tackling climate change
The leaders also discussed the ongoing war in Ukraine, but were unable to reach a consensus on a joint statement on the issue.
In a bilateral meeting, Indian Prime Minister Narendra Modi and US President Joe Biden discussed ways to strengthen the India-US strategic partnership.
Modi also held bilateral meetings with other world leaders, including Chinese President Xi Jinping, Japanese Prime Minister Fumio Kishida, and Saudi Crown Prince Mohammed bin Salman.
Overall, the G20 Summit was a success for India, which was able to achieve a number of its goals, including the induction of the African Union as a permanent member and the adoption of the Delhi Declaration. The summit also helped to strengthen India’s ties with other major economies.

Here are some of the other news headlines from the summit:

G20 leaders agree to cooperate on food security, but fail to reach consensus on Ukraine.
India, Saudi Arabia to sign energy cooperation pact.
Modi calls for global standards to regulate cryptocurrency.
G20 summit ends with calls for action on climate change, but no major breakthroughs.

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