科学与环境
Laser light enables detection of colorectal cancer biomarker in blood within minutes
来源: Phys.org - latest science and technology news stories · 发布于
Researchers often use antibodies to detect specific molecules or biological markers because they are remarkably precise at recognizing their targets. However, finding the faint signals of cancer in blood samples is a challenge even for the most reliable techniques.
Researchers often use antibodies to detect specific molecules or biological markers because they are remarkably precise at recognizing their targets. However, finding the faint signals of cancer in blood samples is a challenge even for the most reliable techniques.
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This new concrete is stronger and pulls CO2 from the air
Researchers have created a concrete mixture that is both stronger and capable of absorbing carbon dioxide. The best formula, combining zeolite with bamboo biochar, boosted compressive strength by 7.48% and tensile strength by 15% compared with conventional concrete. It also captu
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Pumpkin-derived enzyme weakens peanut proteins' binding to allergy antibodies in lab tests
Peanut allergy is one of the most serious food allergies and can lead to sudden, life-threatening reactions. Researchers from Wroclaw University of Environmental and Life Sciences, in collaboration with Wroclaw Medical University, investigated whether a natural enzyme obtained fr
Phys.org - latest science and technology news stories ·
Engineers teach spacecraft to 'dream' their way to the space station
Docking with the ISS may seem simple. However, actually doing so shows how difficult orbital mechanics can be. It's like traveling down a highway at 28,000 km/hr (17,000 mph) and parallel parking in an open garage on a multibillion-dollar laboratory traveling at the same speed. I
Phys.org - latest science and technology news stories ·
REM sleep paradox: Dreaming may drain the brain’s energy even as fuel supply rises
Scientists discovered a surprising energy paradox in the brain during REM sleep, the stage most closely associated with dreaming. Blood supply to the brain begins increasing even before REM starts, but neurons’ immediately available energy, measured as ATP, then drops. The findin
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A 'library' of bacteria-killing viruses: Harnessing the power of phages
An estimated 38 trillion bacteria live in the human body—and only a small fraction are harmful to our health. However, the harmful ones can cause serious illness, especially when they develop resistance to antibiotics.
Phys.org - latest science and technology news stories ·