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Tag: "touching" at biology news

Scientists identify pancreatic cancer stem cells

...atments like chemotherapy and radiation may not be touching these cells," said Simeone. "If that is why pancreatic cancer is so hard to treat, a new approach might be to design a drug that specifically targets pancreatic cancer stem cells without interfering with normal stem cell function." While such a dr...

MIT device draws cells close -- but not too close -- together

...xing cells to be very, very close without actually touching one another has been among the most frustrating ch...mmunicate via signals transmitted both through the touching of cell membranes and through soluble molecules that flow between separated cells, biologists need t...

New technology to speed up research into Huntington's disease

...part of the mouse. The mouse makes its response by touching its nose to the touch-sensitive screen. This means that the HD mice can complete the task, despite motor problems. Other benefits are that it is less labour intensive, less time consuming and less stressful for mice, compared to traditional testi...

Triple threat polymer captures and releases

... basic and applied advances in materials research, touching many aspects of daily life.. She and her group received a research grant from Imperial Chemical Industries/National Starch to continue their study, with a goal of taking the guest molecules in and holding them. Using the technology of thermogra...

Purdue creates new low-cost system to detect bacteria

...e able to look at colonies on a petri dish without touching the colonies, without staining or destroying the colonies." The research has recently received funding from the U.S. Department of Agriculture through Purdue's Center for Food Safety Engineering. Further work will include research to develop a gr...

Not just the birds

... many cases, a small island with a large perimeter touching the sea receives more nutrients from marine ecosystems than a large island due to the differences in surface-to-area ratios. In a new study by John Maron, James Estes, Donald Croll, Eric Danner, Sarah Elmendorf, and Stacey Bucklelew, scientists have...

Researchers unravel DNA tangles and enzyme seamstresses

... to cut and reconnect at hooked-like but not other touching points. If this process were disrupted, however, the cell would be in serious trouble. "One link could keep the cell from dividing. Two links are even more lethal," says Zechiedrich, who notes that "the results of these computer simulations are very ...

Common practices at petting zoos put visitors at risk

...ssociated with illness were feeding a cow or goat, touching a goat and stepping in manure or having manure on your shoes. Not surprisingly, simple handwashing after visiting the petting zoo, including lathering with soap and washing hands before eating and after visiting the petting zoo, were found to protec...

Cracking the perception code

... July 31, 2005. Neuroscientists already knew that touching the skin with a vibrating object causes specialized sensory neurons in the brain to fire, and that firing of these neurons, which are found in a region of the brain known as the primary somatosensory cortex, is directly related to monkeys' ability to...

What Makes The Brain Tick, Tick, Tick: Researchers Gaining New Insights Into Brain's Internal Clock

...be modest about our capabilities. We are blind men touching just one part of this elephant that is time. "And our new review paper, to the best of our knowledge, is the first to try to integrate the different fields and levels of analysis that contribute to understanding timing and time perception, to help a...

Experimental shingles vaccine proves effective in nationwide study

...g that ordinarily is not painful, such as clothing touching the skin, or a cool breeze. Simply dressing and having a shirt touch the side of the body that is affected can be excruciating. Postherpetic neuralgia is difficult to treat. Antiviral medications can speed the healing of shingles and reduce the seve...

Scientists use gene transfer technology and common virus to block neuropathic pain

...h rats and people, scientists measure allodynia by touching the skin with a series of filaments or exposing the skin to small amounts of moderate heat. People with neuropathy perceive the filament's touch or heat as a painful sensation. Rats with neuropathy will lift their paw if the filament or heat produces...

Trio of plant genes prevent 'too many mouths'

...ensely covered with stomata that most stomata were touching each other. These genes appear to have roles at two points in the production of stomata. First, they inhibit undifferentiated cells ?those unspecialized cells that have yet to turn into specific cell types ?from making too many stomata and then they...

Scientists use gene transfer technology and common virus to block neuropathic pain in animals

...h rats and people, scientists measure allodynia by touching the skin with a series of filaments or exposing the skin to small amounts of moderate heat. People with neuropathy perceive the filament's touch or heat as a painful sensation. Rats with neuropathy will lift their paw if the filament or heat produces...

Primate virus jumps species barrier to humans for first time in Asia

...casionally engage in other risky behavior, such as touching animals or trying to hold baby monkeys. Limiting such behavior can reduce the risk of bites and scratches. "If you look at free-ranging monkeys in Singapore's nature reserves, you see that feeding by visitors is not allowed, and it is actively disco...

Canada approves marijuana-based pain spray

...e years. “At times, putting on clothes or anything touching me can be too much to take,?he added. Data demonstrates efficacy While there is no complete cure for MS or neuropathic pain, a double-blind placebo controlled parallel group study demonstrated that Sativex provided significantly greater pain relief ...

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