Can Synthetic Polymers Replace the Body’s Natural Proteins?

Can Synthetic Polymers Replace the Body’s Natural Proteins?

Artificial Polymers Replace Natural Proteins in Biological Fluids

Biological fluids are made up of hundreds or thousands of different proteins (represented by space-filling models above) that evolved to work together efficiently but flexibly. UC Berkeley polymer scientists are trying to create artificial fluids composed of random heteropolymers (threads inside spheres) with much less complexity, but which mimic many of the properties of the natural proteins (right), such as stabilizing fragile molecular markers. Credit: Zhiyuan Ruan, Ting Xu lab, UC Berkeley

Artificial intelligence has been utilized to synthesize random heteropolymers that imitate proteins found in blood serum and the cytosol of cells.

The majority of life on Earth relies on polymers made up of 20 different amino acids, which have evolved into hundreds of thousands of specialized proteins. These proteins perform various functions such as catalyzing reactions, forming the backbone and muscles, and even generating movement.

However, is all this variety necessary? Can biology work just as effectively

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Let there be (natural) light

Let there be (natural) light

Light pollution affects every region on Earth, including at the poles and even above us in low-Earth orbit. That isn’t news. But the extent of the problem, laid out in our Focus on dark skies, is startling and should turn us all into activists.

On 23 February 2023, Ynys Enlli in north Wales joined a growing list of geographically remote International Dark Sky Sanctuaries, which includes the Pitcairn Islands and !Ae!Hai Kalahari Heritage Park, South Africa. These sites must meet strict criteria for the quality of the night sky and are only designated after extensive monitoring.


Credit: reproduced under a Creative Commons licence CC BY 4.0

While each additional protected dark sky location is a win, we need to address the underlying causes that necessitate intervention in the first place. Our Focus on dark skies looks at just that. The authors not only point out the various problems — and

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The Science Of LNG Liquefied Natural Fuel

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The Science Of LNG Liquefied Natural Gasoline

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While the ancient universities of Oxford and Cambridge consist of unbiased colleges that supplement the university’s teaching with their own tutorials, some universities have built schools that don’t provide … Read More

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The Science Of LNG Liquefied Natural Gas

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