New test for skin cancer… sticky tape.
Sticky tape could soon be used as a simple, cheap and quick tool to diagnose skin cancer, say scientists.
Using the human hand as a model, scientists at Johns Hopkins University and its medical school have developed a microscopic tool that might one day be used inside the body. The tool, a clawlike gripper less than a millimeter in diameter, could grab cells from tissue for a biopsy, for example.
Stem cells from human testes could be used for personalized medicine. Adult stem cells that behave much like embryonic ones have been isolated from human testes, raising hopes for a new source of versatile stem cells without genetic manipulation or the destruction of embryos. If the new stem cells can be used therapeutically, a simple testicular biopsy could provide the starting material for personalized regenerative medicine.
In a new and disturbing twist on the obesity epidemic, some overweight teenagers have severe liver damage caused by too much body fat, and a handful have needed liver transplants.
A tiny handlike gripper that can grasp tissue or cell samples could make it easier for doctors to perform minimally invasive surgery, such as biopsies. The tiny device curls its “fingers” around an object when triggered chemically, and it can be moved around remotely with a magnet.
Skin-cancer tumors give off a characteristic odor profile that could be used for early detection.
For the first time, an optical sensor, developed by researchers at the University of California, Los Angeles (UCLA), can measure proteins in saliva that are linked to oral cancer. The device is highly sensitive, allowing doctors and dentists to detect the disease early, when patient survival rates are high.