Recent successful medical trials of a cancer treatment involving the use of "Nanotechnology" may open up important new avenues for the diagnosis and treatment of other cancers and diseases. Nanotechnology is a broad term covering the building of structures and "machines" on an atomic or molecular scale-in the range from 1 to 100 nanometres. A nanometre is one billionth of a metre or about the size of 10 hydrogen atoms. The techniques range from various chemical and biological processes used to "construct" structures-in some cases atom by atom-to the etching methods used to produce computer chips. The field of nanotechnology has over the last decade or so been surrounded by considerable hype. Some of the visions of what is possible in medicine conjure up the Science Fiction classic film Fantastic Voyage where tiny submarine ships were injected into the body and travelled through the bloodstream to eradicate foreign bodies. The reality is more prosaic, but the potential is nonetheless exciting. Many of the standard radiation and drug therapies now used to treat cancers can have serious side effects. The use of radiation and chemicals to kill fast-growing tumour cells inevitably affects and kills other cells in the body. Nanotechnology offers the possibility of far more precisely localising the treatment and thus minimising the damage to healthy tissue. In early April, the nanotechnology company pSivida announced the very promising results of the Phase 2 clinical trials of its product "BrachySil" for patients with liver cancer. BrachySil is a tiny structure about one-millionth of a metre in size and made up of modified particles of silicon impregnated with the radioactive isotope of phosphorus 32P. Unlike other radiation treatments that involve focussing beams of radiation on tumours, BrachySil is injected directly into the cancer using a fine gauge needle. By using 32P, the radiation is limited to a range of just 8 millimetres, resulting in the killing of tumour cells rather than healthy tissue. For several years, doctors have been using a similar technique known as brachytherapy-injecting radioisotopes directly into tumours. The difficulty was that the injected material would not remain in the cancer, but would over time be carried to other parts of the body. The advantage of BrachySil is that its silicon structures, while small, prevent the radioisotope from leaking away. The result is that the dose of radiation is focussed very precisely on the tumour itself. The silicon eventually breaks down and is excreted. 32P, which has a half-life of 14 days, eventually decomposes to stable isotopes or is excreted. Because the treatment is localised, the side effects are likely to be less than other forms of brachytherapy. None have been observed to date, although the long-term impact of the treatment is not known. BrachySil consists of tiny pockets made up of silicon microparticles. The pores or holes in the silicon pocket are the size of about 10 atoms. Radioactive phosphorus is bombarded into the structure. Because of its method of delivery of radiation doses, the treatment may well be applicable to a broader range of cancers than other forms of brachytherapy, which is currently limited to prostate and liver cancers. The clinical trial of BrachySil was undertaken at the Singapore General Hospital beginning in mid-2004. It involved eight patients suffering from primary liver cancer (where the tumours have not spread to a secondary site). They were given CT scans before and after the injection of BrachySil to determine the impact on the tumours and were monitored for possible side effects. After 12 weeks of the treatment, smaller tumours were completely eradicated. The most extraordinary finding, however, was that all tumours were reduced by an average of 80 percent-a result not seen in other treatments. After the trial results were announced, the company received a flood of inquiries and was forced to announce on its website that testing was still in its early stages. Worldwide, liver cancer is not one of the most prevalent cancers. Nevertheless, more than half a million new cases are diagnosed every year-some 45 percent of them in China. Causes of liver cancer include infection by parasites such as the Chinese liver fluke. Liver cancer can also be related to hepatitis, exposure to radiation and to the irritant Polyvinyl Chloride.
Nanotechnology has the potential to revolutionize cancer treatment by delivering targeted therapy directly to cancer cells, increasing treatment effectiveness while minimizing damage to healthy tissue. While nanotechnology is a promising field for cancer treatment, it is important to note that curing cancer involves a multifaceted approach that may also include surgery, radiation therapy, and other treatments depending on the type and stage of cancer.
Some disadvantages of using nanotechnology in cancer treatment include potential toxicity of the nanoparticles, difficulty in targeting specific cancer cells, and challenges in scaling up production for widespread use. Additionally, long-term effects of nanoparticle accumulation in the body are not yet fully understood.
Nanotechnology has the potential to revolutionize healthcare by offering precise drug delivery, targeted cancer treatment, and early disease detection at the cellular level inside the body. By engineering nanoparticles, researchers can create innovative medical devices and therapies that can improve treatment outcomes and minimize side effects. However, ethical and safety concerns regarding the long-term effects and unintended consequences of nanotechnology in the human body require careful consideration.
No, Teflon is not a medicine for cancer. Teflon is a non-stick coating used in cookware and industrial applications. It is not used in the treatment of cancer.
Nanotechnology involves manipulating materials at the nanoscale to create new technologies. In medical sciences, nanotechnology has various applications such as drug delivery systems, targeted therapies, imaging techniques, and diagnostic tools. It allows for more precise and effective treatment options, early disease detection, and personalized medicine.
Nanotechnology has the potential to revolutionize cancer treatment by delivering targeted therapy directly to cancer cells, increasing treatment effectiveness while minimizing damage to healthy tissue. While nanotechnology is a promising field for cancer treatment, it is important to note that curing cancer involves a multifaceted approach that may also include surgery, radiation therapy, and other treatments depending on the type and stage of cancer.
Not presently.
Some disadvantages of using nanotechnology in cancer treatment include potential toxicity of the nanoparticles, difficulty in targeting specific cancer cells, and challenges in scaling up production for widespread use. Additionally, long-term effects of nanoparticle accumulation in the body are not yet fully understood.
Several hospitals and research institutions are utilizing nanotechnology to treat cancer, including the MD Anderson Cancer Center in Texas, which is exploring nanoparticle-based drug delivery systems. The Mayo Clinic is also incorporating nanotechnology in its cancer treatments, focusing on targeted therapies and imaging techniques. Additionally, the Johns Hopkins Hospital is involved in research on nanomedicine for cancer diagnosis and treatment. These institutions are at the forefront of integrating nanotechnology into oncology, aiming to improve efficacy and reduce side effects.
radiation treatment of cancer or other kinds of treatments can be used for cancer.
Nanotechnology has the potential to improve treatments for various diseases such as cancer, diabetes, Alzheimer's, and cardiovascular diseases. Specifically, nanotechnology enables targeted drug delivery, imaging, and monitoring of diseases at the molecular level, which can lead to more effective and personalized treatment approaches.
Nanotechnology can use to develop bio indicators a type of molecules which will attached to infected cells, they also can be detected from scanning. let say nanotechnology can be used to develop a dye to indicate cancer cells and when a patient given that, the dye molecules will selectively attached to the cancer cells and the dye concentration will increase around the cancer. And once the scanning is done dye can be identified hence the cancer.
KEMO
Herbal medicines is the natural treatment and for cancer it's one of the effective treatment from the centuries.Certain herbs are combined used for the major diseases like cancer.
No, antibiotics do not control cancer.
Nanotechnology works in two different ways, the world of molecules and the world of atoms. the two are as small as one nanometer, which is one billionth of a meter. Nanotechnology was first mentioned in the 1860's by James Clerk Maxwell in a tiny experiment called "Maxwell Demons" that was able to handle individual molecules. Nanotechnology has also been used for cancer cures and research and water nanotechnology. Nanotechnology can be used in a classification system invented by Richard Adolf Zsigmondy. He also did the first observations and measurements on nanotechnology. This is the opinoin on how Nanotechnology works.
Foxglove is a source of digitalis, a medication used in the treatment of heart disease. It has no reported efficacy in the treatment of any cancer.