Tags » Diagnostic Tests

Researchers develop new DNA sequencing method to diagnose tuberculosis

(PeerJ 23 September 2014) Researchers working in the UK and The Gambia, have developed a new approach to the diagnosis of tuberculosis (TB) that relies on direct sequencing of DNA extracted from sputum — a technique called metagenomics — to detect and characterize the bacteria that cause TB without the need for time-consuming culture of bacteria in the laboratory.

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Clinical Pathology

Inexpensive lab test identifies resistant infections in hours

(American Society for Microbiology 7 September 2014) Researchers from Oregon State Public Health Lab have modified the protocol for a relatively new test for a dangerous form of antibiotic resistance, increasing its specificity to 100 percent. 31 more words

Clinical Pathology

Malaria diagnosed by measuring blood magnetisation

ScienceAlert Australia Felicity Nelson 6 September 2014

Scientists have used magnetic sensors to diagnose malaria five times more accurately than established diagnostic techniques.   The new method, reported in  30 more words

Clinical Pathology

Predictive values

Lost in positive space by Wanja Krah Attribution-NonCommercial-ShareAlike License

When you are looking at the results of a test, trying to make a diagnosis, you really want to know whether the positive or negative test result you are looking at, is likely to be true or not. 43 more words

Statistics

Researchers identify tests to diagnose invasive aspergillosis with 100 percent accuracy

(Elsevier Health Sciences 13 August 2014) The fungal infection invasive aspergillosis can be life threatening, especially in patients whose immune systems are weakened by chemotherapy or immunosuppressive drugs. 59 more words

Microbiology

FDA Approves First DNA-Based Test For Colon Cancer

WASHINGTON (AP) – The Food and Drug Administration has approved the first screening test for colon cancer that uses patient DNA to help spot potentially deadly… 119 more words

Business

NIH and Italian scientists develop nasal test for human prion disease

(NIH/National Institute of Allergy and Infectious Diseases 6 August 2014) A nasal brush test can rapidly and accurately diagnose Creutzfeldt-Jakob disease, an incurable and ultimately fatal neurodegenerative disorder, according to a study by National Institutes of Health scientists and their Italian colleagues. 10 more words

Clinical Pathology