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New Cancer-hunting ‘nano-robots’ To Seek And Destroy Tumors - Science/Technology - Nairaland

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New Cancer-hunting ‘nano-robots’ To Seek And Destroy Tumors by Besmart2: 6:34am On Mar 06, 2017
It sounds like a scene from a science fiction novel – an army of tiny weaponised robots travelling around a human body, hunting down malignant tumours and destroying them from within. But research in nature Communications today from the University of California Davis Cancer Centre shows the prospect of that being a realistic scenario may not be far off. Promising progress is being made in the development of a multi-purpose anti-tumour nanoparticle called “nanoporphyrin” that can help diagnose and treat cancers.

Cancer is the world's biggest killer. In 2012, an estimated 14.1 million new cancer cases were diagnosed and around 8.2 million people died from cancer worldwide. This year, cancer surpassed cardiovascular diseases to become the leading cause of death in Australia; 40,000 Australians died as a result of cancer last year. It’s no wonder that scientists explore every possible technology to efficiently and safely diagnose and treat the disease.

A nanometre is a very small unit of length, just one billionth of a metre. Nanotechnology looks at building up incredibly tiny, nano-level structures for different functions and applications.

One such nanoparticle-based application is the development of precise cancer diagnostic technology and safe, efficient tumour treatment. The only problem is nanoparticles must be tailored to specific jobs. They can be time-consuming and expensive to research and build.

If a tumour-recognition module is installed in a probe nano-robot (inorganic particle), the armed nano-robot particles can get into tumour tissue and activate a measurable signal to help doctors better diagnose tumours. It has been a huge challenge to integrate these functions on the one nanoparticle. It’s difficult to combine the imaging functions and light-absorbing ability for phototherapy in organic nanoparticles as drug carriers. This has, until now, hampered development of smart and versatile “all-in one” organic nanoparticles for tumour diagnosis and treatment.
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Source : http://www.iflscience.com/technology/new-cancer-hunting-nano-robots-seek-and-destroy-tumours/

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