channels 2 5

Tag: "channels" at biology news

Life detection instrument passes key test on road to Mars

...n amino acids. These microarrays with microfluidic channels are 100 to 1,000 times more sensitive for amino ac...is likely to be the case on Mars, the microfluidic channels in the capillary disks don't get clogged as readily as they do when used to test samples in Berkeley...

Beneficial Beetles Battle Pesky Saltcedar

...ttonwoods and willows, along streambanks and river channels throughout the American West. Agricultural Resear...ebris, blocking waterflow and causing new, erosive channels to form. These channels sometimes undercut farm roads and fields, causing them to collapse. What's ...

Some Brain Cells Change Channels

... called PICK1 and NSF for short, that help replace channels that let charged calcium ions in with another kind...in the brain, he says, in part because the swapped channels are most common in these particular cells in the cerebellum (so-called stellate cells). But Huganir ...

At the molecular level, the predator is the prey

...e newts' skin, can bind to garter snake nerve cell channels and prevent sodium ions from flowing freely. "These channels are absolutely fundamental to every aspect of nerve and muscle function and are highly specific gate...

Molecular thermometers on skin cells detect heat and camphor

... the brain. The most obvious evidence is that TRP channels are activated by thermal heat within a particular ...of 33° C (91.5° F) and above. Similarly, other TRP channels are specifically activated within hot, warm, cool, or cold temperature ranges. Most of these temper...

Activation of thermoreceptors mediates raw garlic's burning pungency

...he present work, indicate that thermosensitive TRP channels play a key role in the phenomenon of chemesthesis (the somatosensory contribution to the sense of taste), which is experienced, for example, in the heat of chili peppers or the coolness of peppermint. Both TRPV1 and TRPA1 are found in pain-sensing ne...

Oceans more vulnerable to agricultural runoff than previously thought, study finds

...water from irrigation runs off through streams and channels into the estuaries and then out to sea." Matson and her colleagues wondered if each fertilization and irrigation event would trigger a noticeable phytoplankton bloom near the mouth of the Yaqui River, which is located on the mainland side of the gul...

Some Brain Cells 'Change Channels' To Fine-tune The Message

... called PICK1 and NSF for short, that help replace channels that let charged calcium ions in with another kind...in the brain, he says, in part because the swapped channels are most common in these particular cells in the cerebellum (so-called stellate cells). But Huganir ...

50-year-old Mystery Solved: Protein Tags Regulate Key Ion Channel

...hannel function: reversible peptide linkage." Ion channels are in every cell in the human body. They are tigh...s, separating the cell from the outside world. Ion channels allow ions such as potassium, sodium and calcium to flow in and out and so are key regulators of man...

Wisconsin researchers identify sleep gene

...A handful of recent studies suggest that potassium channels are also involved in the generation of sleep in hu...new class of compounds that could affect potassium channels in the brain rather than other brain chemical systems targeted currently," says lead author Dr. Chia...

MSI releases 'moleculizer' - a new approach to simulation of intracellular biochemical networks

... the huge numbers of potential species andreaction channels makes things very difficult."Computer simulations can be powerful tools in contemporary molecularbiology research, aiding scientists in analyzing data and in testinghypotheses with simulated outcomes before testing them experimentally.The predictive ...

Development of portable infectious disease detector

...s and the use of fluids flowingthrough microscopic channels to move and manipulate small numbers ofcells reliably. In the process, the group has applied for more than 12patents. Meanwhile, Pria has developed a micro-optical fluorescence spectroscopysystem and used it as the basis for a inexpensive male ferti...

Open microfluidic and nanofluidic systems

...in general but only if the geometry of the surface channels is carefully matched with their wettability (PNAS ...sed on open and, thus, directly accessible surface channels which can be fabricated on solid substrates using available photolithographic methods. The simplest ...

Spider Venom Could Yield Eco-Friendly Insecticides

...ial for interaction with insect ion channels. (Ion channels allow the movement of ions -- small charged molecules -- across cell membranes.) His next challenge is to use this information to design insecticides that specifically target insect pests without affecting vertebrates. One approach is to create chem...

Sea skate experiment sheds light on human cell transport

...nd glucose can't be moved between cells. And when channels are blocked, damaged cells can't die. This cell "s...a possible relationship between operation of these channels and the uncontrolled multiplication of cancer cells," Goldstein said. "If so, this research points u...

Improved Outcomes Releases GeneLinker(TM) Gold and Platinum Version 4.6

... to bere-imported, enabling novel visualization of channels that bestdistinguish between different classes (see Protein Biomarker/ProteomicsExamples available on the website)" said Dr. Tom Radcliffe, ChiefScientific Officer of IOS. "The feature set required for microarray analysis is becoming moremature so w...

HIV Patients May Be at Risk of Heart Problems When Taking Protease Inhibitor Drugs

...fic cell type they were studying. Pore function in channels permits the exchange of biochemical signals within and between cells. After hearing of a case of heart rhythm disturbances in a patient taking protease inhibitors, the researchers looked for evidence of other patients with similar experiences. To do ...

Researchers Uncover Key Step In Manufacture of Memory Protein

...asmic reticulum, a convoluted network of tubes and channels inside the cell. The proBDNF winds through the endoplasmic reticulum until it reaches another structure within the cell, the golgi apparatus. There, the proBDNF binds to CPE, which protrudes from special rafts of fatty, cholesterol-rich molecules kno...

1 2 3 4 5