“20-Minute Cancer Diagnosis with Just 5 Drops of Blood”

 

Several research teams and institutions have contributed to this advancement. Notably, researchers at the University of Queensland developed a method that identifies cancer by detecting unique DNA structures in the blood. Their test uses gold nanoparticles to bind to cancer-derived DNA, producing a color change visible to the naked eye, enabling detection in as little as 10 minutes .


Additionally, the UK’s National Health Service (NHS) has adopted a “liquid biopsy” technique, analyzing circulating tumor DNA (ctDNA) in the bloodstream to tailor treatments for lung and breast cancer patients. This approach allows for earlier and more precise interventions .


How Does It Work?

The test operates by detecting ctDNA or other cancer-specific biomarkers present in the bloodstream. Techniques such as polymerase chain reaction (PCR) amplify these genetic fragments, while nanotechnology enhances detection sensitivity. For instance, the University of Queensland’s method utilizes gold nanoparticles that bind to cancer DNA, causing a visible color change .

Other approaches involve microfluidic devices that isolate and analyze exosomes—tiny vesicles released by cancer cells—providing insights into the presence and type of cancer .


 Why Is It So Fast?

The speed of these tests stems from their ability to analyze biomarkers directly from a small blood sample without the need for invasive tissue biopsies. Advanced technologies like PCR and nanotechnology enable rapid amplification and detection of cancer indicators, delivering results in approximately 20 minutes.

Future Applications

This technology holds promise for expansion beyond lung and breast cancers. Potential future applications include early detection of pancreatic, gallbladder, and ovarian cancers. Moreover, the non-invasive nature of the test makes it suitable for routine screenings and monitoring treatment responses, paving the way for personalized cancer care .


When Will It Be Available?

The NHS has already implemented liquid biopsy tests for certain cancer patients, marking a significant step toward widespread clinical use . Other methods, like the University of Queensland’s test, are undergoing further validation and clinical trials. While timelines may vary, these innovations are expected to become more broadly available within the next few years.


Supporting References

  • “Revolutionary DNA blood test to offer thousands in England tailored cancer care” – The Guardian  
  • “Blood test detects cancer in 10 minutes” – The Guardian Nigeria  
  • “What is ‘liquid biopsy’, the revolutionary blood test that will help in faster cancer diagnosis and treatment” – Times of India  
  • “New device can detect cancer in just a drop of blood” – Medical News Today  


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