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There just aren't enough kidney transplants available for the millions of people with renal failure. Aside from a transplant, the only alternative for patients is to undergo regular dialysis sessions to clear harmful cellular waste from their bodies. Now, scientists report in ACS Nano a new urea sorbent that could accelerate progress toward the development of a lightweight, wearable artificial kidney with the potential to make dialysis more convenient, comfortable and effective.
Dialysis typically requires three visits every week to a health care center, where patients are tethered to a machine for hours. Not only is this cumbersome, but health outcomes with the treatment are poor. The problem is that kidneys filter blood around the clock; dialysis just can't do as good of a job when performed for only a few times each week. Scientists are eager to develop an artificial kidney that could be worn all the time, continuously performing dialysis. One obstacle, though, is urea, which must be removed to maintain the body's nitrogen balance. Currently, dialysis deals with urea using an...
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