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Tag: "electric" at biology news

UAB scientists discover the origin of a mysterious physical force

...gently attracted towards the direction in which an electric field is pointing. However, when the water is in contact with surfaces that create small electric fields, such as chemical compounds like those found in many detergents, this is no longer the case: ...

Researchers Uncover Key Step In Manufacture of Memory Protein

...ntation on CPE, analogous to the way a plug for an electric appliance fits into an electric wall outlet, Dr. Loh said. The golgi apparatus then encases the lipid rafts ?along with proBDNF ?in...

Another Look Finds Promising Proteomics Test is Not Biologically Plausible

... single sample. In short, it does this by using an electric current to propel ionized proteins toward a detector. The number of ions hitting the detector at each mass-to-charge ratio (also known as m/z ratio) is recorded to produce a protein spectrum. A peak in the graph of the spectrum represents a protein (...

New species from old data

... single sample. In short, it does this by using an electric current to propel ionized proteins toward a detector. The number of ions hitting the detector at each mass-to-charge ratio (also known as m/z ratio) is recorded to produce a protein spectrum. A peak in the graph of the spectrum represents a protein (...

Cracking the olfactory code in bees

... single sample. In short, it does this by using an electric current to propel ionized proteins toward a detector. The number of ions hitting the detector at each mass-to-charge ratio (also known as m/z ratio) is recorded to produce a protein spectrum. A peak in the graph of the spectrum represents a protein (...

Signaling protein builds bigger, better bones in mice

... single sample. In short, it does this by using an electric current to propel ionized proteins toward a detector. The number of ions hitting the detector at each mass-to-charge ratio (also known as m/z ratio) is recorded to produce a protein spectrum. A peak in the graph of the spectrum represents a protein (...

Open microfluidic and nanofluidic systems

...ers that can be switched by light, temperature, or electric potential. The experiments described in the PNAS study use a polymeric liquid that freezes quickly and can then be scanned directly with the tip of an atomic force microsope. However, the same morphology diagram should also apply to other liquids an...

Nanogen Issued Patent for Electronic Microarray With Memory

..."off-chip" circuitry and overall system costs. The electric potential is controlled at each of the NanoChip's 400 test sites to move and concentrate DNA or RNA, providing accuracy, speed and flexibility for developing molecular diagnostic tests. Storing critical voltage information allows for precise control ...

Unprecedented water level rise in Somalia

...ts and houses on the banks of the river as well as electric power lines. The destruction of the bridge limits the accessibility and mobility of the population around the city, affecting daily activities such as commuting to work, school and accessing hospitals and markets. The floods affected at least 170 hou...

Pulsating ultrasound enhances gene therapy for tumors

...ed for enhancing gene delivery, such as lasers and electric current, are limited to surface lesions or require needles to be inserted in the body. Pulsed-HIFU is non-invasive and can treat any area of the body accessible by ultrasound, the exceptions being the lungs and bones. Additional advantages of pulsed-...

Liposome finding implies electrical effect on cell development

...posomes in a droplet of water and applied very low electric fields (5-10 volts per centimeter), much lower than the fields present in operating neurons (a fraction of a volt but operating over a very short distance--less than a micron--to produce a field up to one thousand times stronger). In images achieved ...

Growth in biomass could put US on road to energy independence

...percent through 2030, while biomass consumption by electric utilities would double every 10 years through 2030. During the same time, production of chemicals and materials from bio-based products would increase from about 12.5 billion pounds, or 5 percent of the current production of target U.S. chemical comm...

Human Cells Filmed Instantly Messaging for First Time

...percent through 2030, while biomass consumption by electric utilities would double every 10 years through 2030. During the same time, production of chemicals and materials from bio-based products would increase from about 12.5 billion pounds, or 5 percent of the current production of target U.S. chemical comm...

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

...d at the synapse. If the cells are shocked with an electric current, within minutes the channels are replaced by ones made of GluR2 and GluR3. After the swap, sodium can still get in, but calcium is kept out. To learn more about how this takes place, the Hopkins researchers studied brain cells from genetical...

Canada approves marijuana-based pain spray

...this type of pain. It’s like being plugged into an electric socket all the time,?said Steve Walsh, who suffers from MS and has lived with neuropathic pain for five 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 comp...

Purdue researchers use enzyme to clip 'DNA wires'

...ubate the particles and DNA in a solution, and the electric charge brings them together to form the wire," Ivanisevic said. "Then we basically make smaller wire segments with magnetic particles attached to this DNA sequence." Because hundreds of different restriction enzymes snip segments containing specific...

Alcohol consumption disrupts breastfeeding hormones

...ine. After consuming the beverages, the women used electric breast pumps to stimulate lactation. Blood samples taken throughout the procedure were analyzed for oxytocin and prolactin, the two key hormones that control lactation. Alcohol disrupted release of both hormones during lactation: oxytocin levels dec...

Engineers improve plastic's potential for use in implants by linking it to biological material

...eurites to help them regenerate. "We can apply an electric field to this synthetic material and enhance neurite repair," said Schmidt. The newly gained ability to attach proteins to polypyrrole, she said, will mean that growth-enhancing factors could also be linked to this plastic wrapping, further stimulati...

Some Brain Cells Change Channels

...d at the synapse. If the cells are shocked with an electric current, within minutes the channels are replaced by ones made of GluR2 and GluR3. After the swap, sodium can still get in, but calcium is kept out. To learn more about how this takes place, the Hopkins researchers studied brain cells from genetical...

Key to elephant conservation is 'in the sauce'

...traddles the borders of Zimbabwe and Zambia. While electric fences and other deterrents are prohibitively expensive, chillies provide farmers with a cost-effective means of warding off the elephants without inflicting them with permanent damage. Specifically, farmers use chilli peppers to deter potential cro...

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