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Tag: "bottle" at biology news

Basis for DNA ejection from single phage particles

... which is close to ten times the pressure inside a bottle of champagne. In the new work reported this week, researchers have evaluated whether the energy thus stored is sufficient to permit phage DNA ejection, or only to initiate that process. The researchers used fluorescently labeled phage DNA to investi...

Quantum dots provide a faster, more sensitive method for detecting respiratory viral infections

...ost costly ingredient is the quantum dots: A small bottle that contains enough of the material for about 200 tests costs $300. As a result, this could be one of the earliest medical applications of nanotechnology, Wright and Crowe say. The researchers' next step will be to develop a quantum dot cocktail c...

After the yeast is gone bacteria continue to develop flavor of sparkling wine

... to the base wine for a second fermentation in the bottle in which the wine is sold. The secondary fermentat...s in the wine and is perceived as bubbles when the bottle is opened, hence the term "sparkling". After the fermentation is completed the Cava wine is aged in ...

An essential regulator of body weight revealed

...a device that measures each time a mouse licks the bottle containing its liquid diet. The effects of eliminating NPY/AgRP neurons in adult mice were dramatic. After treatment with diphtheria toxin, the animals began to eat less and less; by the fifth day, they had stopped eating entirely. Within 6-8 days, t...

Retinal scans eyed for New Mexico show cattle

...e cow's left ear, the tags are about the size of a bottle cap. With more than 900 RFID tags applied since May, only two have been lost. Using a panel tag reader located on a cattle chute, researchers found that the RFID tags could be readily read as cattle passed through a single-file alley. Effective ran...

Ancient humans brought bottle gourds to the Americas from Asia

Thick-skinned bottle gourds widely used as containers by prehistoric pe...a, according to a new genetic comparison of modern bottle gourds with gourds found at archaeological sites in the Western Hemisphere. The finding solves a lon...

Researcher examines polymers created with poultry feathers

...enge is how can we create a simpler plastic bag or bottle that will biodegrade?" According to Barone, the technology to create biodegradable plastics from biomass, such as corn and soybeans, has been around for more than 70 years. However the recent push to increase energy production from these feedstock...

Maggots rid patients of MRSA

... Professor Andrew Boulton and his team used green bottle fly larvae to treat 13 diabetic patients whose foo...upply, with sterile free-range larvae of the green bottle fly Lucilia Sericata. They applied the larvae between two and eight times, depending on the size of ...

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