An illustration of several DNA helices on a light red water color background
Human Blood Harbors Cell-Free Microbial DNA
After controlling for high levels of bacterial contamination in their lab and reagents, researchers detect microbial genetic material in plasma samples from healthy people and cancer patients.
Human Blood Harbors Cell-Free Microbial DNA
Human Blood Harbors Cell-Free Microbial DNA

After controlling for high levels of bacterial contamination in their lab and reagents, researchers detect microbial genetic material in plasma samples from healthy people and cancer patients.

After controlling for high levels of bacterial contamination in their lab and reagents, researchers detect microbial genetic material in plasma samples from healthy people and cancer patients.

liquid biopsy
Identifying Biomarkers to Guide Cancer Immunotherapy
Identifying Biomarkers to Guide Cancer Immunotherapy
The Scientist Creative Services Team | Mar 15, 2022
An expert panel will discuss the cutting-edge technologies they used to identify novel biomarkers that predict patient responses to immunotherapy.
Discover the potential of circulating tumor cells in early cancer detection
Improving Cancer Diagnostics with Circulating Tumor Cells in Blood
Bio-Rad | Nov 24, 2021
Liquid biopsies: A new era in blood-based cancer detection methods
clear blood draw tubes with peach-colored caps and white labels with a red banner that has a DNA double helix icon and the word text. inside the tubes is a conceptual drawing of a DNA double helix in white
FDA-Led Consortium Details Improvements Needed in Liquid Biopsies
Marcus A. Banks | May 19, 2021
In the largest effort to date to standardize performance metrics of the cancer diagnostic across products, researchers say the products can likely detect advanced tumors reliably, but early-stage malignancies would remain a challenge.
Advancements in Exosome Research Tools and Diagnostics
The Scientist Creative Services Team | Sep 24, 2020
Chris Heger and Johan Skog will discuss exosomes, some of the latest diagnostic applications in the exosome field, and introduce Simple Western technology. 
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.
Artificial Intelligence to Boost Liquid Biopsies
Claire Asher | Jun 26, 2018
Machine-learning algorithms tuned to detecting cancer DNA in the blood could pave the way for personalized cancer care.
New Liquid Biopsy Detects Cancer at Earlier Stages Than Currently Possible
Jim Daley | Jun 1, 2018
The test can pick up several types of cancer, including pancreatic and ovarian, years before symptoms appear.
Liquid Biopsy Test May Help Screen Eight Types of Cancer
Jim Daley | Jan 21, 2018
The new diagnostic works by identifying cancer-associated proteins and DNA in patient blood.
AACR Q&A: Elaine Mardis
The Scientist Staff | Apr 18, 2016
The genomics pioneer shares the sessions she most looks forward to at this year’s American Association for Cancer Research annual meeting.
Banking on Blood Tests
Jyoti Madhusoodanan | Apr 1, 2016
How close are liquid biopsies to replacing current diagnostics?
FDA Warns Liquid Biopsy Maker
Bob Grant | Sep 25, 2015
The agency fires off a letter to Pathway Genomics, telling the company that its new cancer detection test could harm the public and is not validated by science.
Direct-to-Consumer Liquid Biopsy
Kerry Grens | Sep 13, 2015
Some doctors advise shoppers to be skeptical of a newly marketed cancer diagnostic.
The Scientist on the Pulse, April 23
Kerry Grens | Apr 23, 2015
Hot topics in cancer research from the annual meeting of the American Association for Cancer Research