Sentences with phrase «calcium carbonate crystals form»

The presence of that protein makes calcium carbonate crystals form in a nanostructured pattern, rather than smooth and even crystal, study coauthor Marc McKee, a biomineralization researcher at McGill University in Montreal, and colleagues found.

When unfiltered water flowed into the channel, millimeter - long calcium carbonate crystals formed within hours.

Not exact matches

First crystals of calcium carbonate are formed in sea ice in winter.

As the bacteria went to work metabolizing the urea, calcium carbonate crystals began to form around the bacteria, filling in the gaps between each grain of sand.

The ammonia reacts with water to form ammonium hydroxide, which makes any nearby calcium precipitate out as calcium carbonate crystals, or limestone.

Using a powerful microscope that lets researchers see the formation of crystals in real time, a team led by the Pacific Northwest National Laboratory found that negatively charged molecules — such as carbohydrates found in the shells of mollusks — control where, when, and how calcium carbonate forms.

As the new crystals formed, they consumed the calcium carbonate within the drop on which they nucleated.

These procedures can help diagnose the presence of bacterial infection (which often accompanies bladder stones or sludge) and determine the composition of suspected uroliths or sludge (rabbits usually form calcium carbonate crystals, but they may also form calcium oxalate, ammonium phosphate, or monohydrate crystals).

The aragonite, a crystal form of calcium carbonate, formed by tiny organisms then become too corroded to survive in high - pressure or cold waters including some parts of the shallow North Pacific, the southern ocean and the deepest waters of the ocean.

The nanoparticles accumulate and form stony structures made of calcium carbonate — known as aragonite — by growing crystals.