Microfluidic
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Researchers at the University of New South Wales have demonstrated how a microfluidic device that mimics the embryonic heart can produce blood stem cell precursors, which could let blood stem cells be manufactured on demand.
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Nobody wants to suffer physical pain if they don't have to, yet they also don't want to risk developing an addiction to pain-killing opioids. That's where a new drug-free implant comes in, as it reduces pain by cooling nerves.
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Presently, in order to check electrolyte levels in newborn babies, blood samples are drawn from the infants twice a day. Soon, however, a "smart" pacifier could be used to non-invasively collect that same data.
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When conducting cardiac research, it would be ideal if experiments could be performed on actual living human hearts. Scientists have developed what may be the next-best thing, in the form of a tiny mechanical heart powered by real cardiac cells.
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When performing artificial insemination, the better the motility of the sperm, the greater the chances of a successful pregnancy. That's where a new microfluidic chip comes in, as it selects only the most vigorous, "highly-motivated" sperm from the herd.
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A new breakthrough could help unravel the immune system's secrets. Researchers have created an accurate model of the human immune system in a microfluidic chip, providing a better platform to study how immune cells respond to vaccines and pathogens.
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It's important for people with conditions such as depression and anxiety to know when they're becoming stressed, so they can initiate coping strategies. An experimental smartwatch could someday warn them, by detecting a stress hormone in their sweat.
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It's important to maintain proper chlorine levels in a pool, as too much can cause skin and eye irritation, and too little won't kill bacteria. A new device could help, by cheaply and automatically checking a pool's pH and chlorine content.
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In people with liver disease or other metabolic disorders, blood ammonia levels can quickly climb to dangerous levels. And unfortunately, checking those levels is not a fast and easy process. A newly developed device, however, could change that.
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Human blood can typically only be stored for six weeks. It also needs to be refrigerated, which may be challenging in poor countries or remote locations. A new study, though, could lead to a method of drying blood for long-term storage.
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Currently, in order to determine if someone has a urinary tract infection, their urine sample has to be sent off to a lab – it takes days to get results. Now, scientists have created a smartphone-enabled system that works in less than 25 minutes.
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Diagnosing asthma in small children is often challenging, as standard measures such as lung function tests can't be used below a certain age. A new blood-analysis device could help, however, delivering definitive results in less than two hours.
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