An inexpensive test for breast cancer has been created using a saliva sample. According to reports, it will help detect the disease in five seconds daily mail.
Researchers in Florida and Taiwan have developed a palm-sized, reusable device. The test strip (similar to those used in a glucometer) contains antibodies to the breast cancer biomarkers HER2 and CA 15-3. According to the American Cancer Society, one in five breast cancers are HER2 positive. Experts estimate that up to 80% of breast cancer patients have high levels of CA 15-3.
The device could provide a low-cost alternative to hospital-based procedures such as mammography and ultrasound to detect breast cancer, the researchers said. Analysis time is less than five seconds per sample.
The device was tested on 17 human saliva samples from breast cancer patients and four from healthy volunteers. It made it possible to distinguish which patients had breast cancer and which did not.
“In many places, especially in developing countries, advanced technologies for diagnosing breast cancer may not be available. Our technology is more cost-effective: a test strip costs only a few cents, while a reusable circuit board costs $5,” said the developers.
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