A fidget spinner for the point-of-care diagnosis of urinary tract infection
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- A fidget spinner for the point-of-care diagnosis of urinary tract infection
- Michael, Issac; Kim, Dongyoung; Gulenko, Oleksandra; Kumar, Sumit; Kumar, Saravana; Clara, Jothi; Ki, Dong Yeob; Park, Juhee; Jeong, Hyun Yong; Kim, Taek Soo; Kwon, Sunghoon; Cho, Yoon-Kyoung
- Issue Date
- NATURE PUBLISHING GROUP
- NATURE BIOMEDICAL ENGINEERING, v.4, no.6, pp.591 - 600
- The point-of-care detection of pathogens in biological samples in resource-limited settings should be inexpensive, rapid, portable, simple and accurate. Here, we describe a custom-made fidget spinner that rapidly concentrates pathogens in 1-ml samples of undiluted urine by more than 100-fold for the on-device colorimetric detection of bacterial load and pathogen identification. In Tiruchirappalli, India, the device enabled the on-site detection of infection with the naked eye within 50 min in urine samples from 39 patients suspected of having a urinary tract infection. We also show that, in 30 clinical samples of urinary tract infection, the device can be used to perform an antimicrobial susceptibility test for the antimicrobial drugs ciprofloxacin and cefazolin within 120 min. The fidget spinner could be used in low-resource settings as an inexpensive handheld point-of-care device for the rapid concentration and detection of pathogens in urine samples. A custom-made fidget spinner rapidly concentrates pathogens in 1-ml samples of undiluted urine by more than 100-fold for the on-device colorimetric detection of bacterial load and pathogen identification.
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