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Gold Nanoparticles (Chemotherapy)
''This article is about gold nanoparticles in chemotherapy. For colloidal gold, see Colloidal gold.''
Gold Nanoparticles in Chemotherapy is the use of collodial gold in therapeutic treatments, often for cancer or arthritis. Gold nanoparticle technology shows promise in the advancement of cancer treatments. With tumor-targeting delivery vectors becoming smaller, the ability to by-pass the natural barriers and obstacles of the body becomes more probable. To increase specificity and likelihood of drug delivery, tumor specific ligands may be grafted onto the particles to circulate throughout the tumor without being redistributed into the body.
Obstacles may include cell type targeting. A tumor consists of a multitude of cell types, and thus targeting a single type of cell is ineffective and potentially dangerous. At most, this type of targeting would only have a minor effect on killing the tumor. Tumors are constantly changing and thus phenotype targeting is rendered useless. Two main problems persist: how to get to the target and how to destroy a variety of cells.
==Physical Properties==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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