Molecular Imaging Pioneer, Sanjiv “Sam” Gambhir, Dies at 57
Molecular Imaging Pioneer, Sanjiv “Sam” Gambhir, Dies at 57
The Stanford Medical School professor’s research aided the development of positron emission tomography (PET) reporters to identify disease.
Molecular Imaging Pioneer, Sanjiv “Sam” Gambhir, Dies at 57
Molecular Imaging Pioneer, Sanjiv “Sam” Gambhir, Dies at 57

The Stanford Medical School professor’s research aided the development of positron emission tomography (PET) reporters to identify disease.

The Stanford Medical School professor’s research aided the development of positron emission tomography (PET) reporters to identify disease.

diagnostics
Saliva Tests: How They Work and What They Bring to COVID-19
Saliva Tests: How They Work and What They Bring to COVID-19
Amanda Heidt | Jul 9, 2020
Universities and healthcare facilities are planning to use spit tests to conduct large-scale screening.
Inside the Effort to Make India’s First COVID-19 Test
Inside the Effort to Make India’s First COVID-19 Test
Ashley Yeager | Jul 6, 2020
A nearly all-female team of researchers developed a PCR diagnostic tool in a record-setting six weeks.
In South Africa, COVID-19 Breath Test Trial Set for June
In South Africa, COVID-19 Breath Test Trial Set for June
Munyaradzi Makoni | Jun 15, 2020
If proven successful, the five-minute test could be a good temporary indicator before a confirmatory PCR test.
Surgisphere Fallout Hits African Nonprofit’s COVID-19 Efforts
Surgisphere Fallout Hits African Nonprofit’s COVID-19 Efforts
Catherine Offord | Jun 7, 2020
The company had helped develop a tool to aid decision-making in distributing limited medical equipment among coronavirus patients, but two high-profile retractions call into question the validity of Surgisphere’s work in toto.
Blood Test Detects Cancer Early, But Has Some Holdups
Blood Test Detects Cancer Early, But Has Some Holdups
Ashley Yeager | Apr 29, 2020
The liquid biopsy, which detects cell-free tumor DNA, spotted undiagnosed cancers in some women, but had a greater number of false positives and false negatives.
special report
How (Not) to Do an Antibody Survey for SARS-CoV-2
How (Not) to Do an Antibody Survey for SARS-CoV-2
Catherine Offord | Apr 28, 2020
Preprints from the first round of seroprevalence studies indicate that many more people have been infected with the virus than previously reported. Some of these studies also have serious design flaws.
First US COVID-19 Deaths Happened Weeks Earlier than Thought
First US COVID-19 Deaths Happened Weeks Earlier than Thought
Catherine Offord | Apr 22, 2020
Autopsies recently carried out in California show that one person died of the disease on February 6—three weeks before the nation recorded its first fatality.
Image of the Day: Viral Transport Rescue
Image of the Day: Viral Transport Rescue
Amy Schleunes | Apr 20, 2020
The University of Massachusetts Amherst is supplying local hospitals and the state with key ingredients needed for COVID-19 testing.
Image of the Day: Defective Cilia
Image of the Day: Defective Cilia
Amy Schleunes | Apr 7, 2020
Super-resolution imaging identifies abnormalities in the hair-like protrusions on a cell’s surface and may help facilitate earlier detection of primary ciliary dyskinesia.