Salmonella (pink) invading a human epithelial cell (yellow)
Modified Salmonella Revs Immune Response, Combats Tumors in Mice
When coated with positively charged particles, the bacteria shuttled antigens out of tumors and activated the immune system, a study finds.
ABOVE: Flickr, NIAID
Modified Salmonella Revs Immune Response, Combats Tumors in Mice
Modified Salmonella Revs Immune Response, Combats Tumors in Mice

When coated with positively charged particles, the bacteria shuttled antigens out of tumors and activated the immune system, a study finds.

When coated with positively charged particles, the bacteria shuttled antigens out of tumors and activated the immune system, a study finds.

ABOVE: Flickr, NIAID

nanoparticle

neutrobots, neutrophils, white blood cells, microrobots, nanorobots, microbots, glioma, brain cancer, paclitaxel, magnetic, swarm, mice
Microscopic Robots Deliver Drugs to the Brain
Asher Jones | Mar 30, 2021
Researchers turned white blood cells called neutrophils into drug-smuggling “neutrobots,” which penetrated the blood-brain barrier to treat brain cancer in mice.
Infographic: Building Bacteria to Fight Cancer
Simone Schuerle, Tal Danino | Apr 1, 2020
Researchers are engineering microbes to deliver therapeutics specifically to tumors, maximizing the treatments’ efficacy while minimizing side effects.
Exosomes, microvesicles, and apoptotic bodies: The three major types of extracellular vesicle.
Extracellular Vesicles: Applications and Potential
Beckman Coulter Life Sciences | May 13, 2022
Explore why extracellular vesicles are attractive candidates for new therapeutic approaches.
Bacteria as Living Microrobots to Fight Cancer
Simone Schuerle, Tal Danino | Apr 1, 2020
Autonomous, living microrobots that seek and destroy cancer are not as futuristic as one might imagine, thanks to a fusion of robotics and synthetic biology.
Air Pollution Tied to Brain Cancer: Study
Emily Makowski | Nov 13, 2019
Inhaling combustion-produced particles may lead to the development of brain tumors.
gold nanoshells
Getting More Lateral Flow Test Sensitivity with Nanoshell Probes
The Scientist Creative Services Team, nanoComposix | Jan 19, 2022
Silica-gold nanoshells highlight how good probe design can boost assay performance.
Light-Activated Nanodevices Control Cells
Ruth Williams | Sep 1, 2019
DNA-coated gold nanorods enable cells to be activated by light without genetic manipulation.
Infographic: Optogenetics Without Genetic Engineering
Ruth Williams | Sep 1, 2019
DNA-loaded nanoparticles that respond to infrared light provide an alternative way to control cell behavior.
Nanoparticles Let Mice See Near Infrared Light
Abby Olena | Feb 28, 2019
Researchers injected the retinas of mice with nanoparticles that bound to photoreceptors and converted near-infrared light to green light that the animals could see.
literature
Molecules Found in Ginger Remodel the Microbiome
Katarina Zimmer | Feb 1, 2019
Small RNA-containing particles in ginger root are found to promote the growth of beneficial bacteria and alleviate colitis in mouse guts.
literature infographic
Infographic: How Ginger Remodels the Microbiome
Katarina Zimmer | Feb 1, 2019
Small microRNA-containing particles found in the plant can boost populations of healthy gut bacteria, and even improve colitis symptoms in mice.
How to Track Metabolites in Tissues Using NMR
Katherine Bourzac | Aug 1, 2018
Whether it’s aligning software or prepping samples, researchers share their tips for studying the metabolome with this underused approach.
Nonviral CRISPR Delivery a Success
Abby Olena | Oct 2, 2017
Researchers use gold nanoparticles to deliver CRISPR-Cas9 and correct a point mutation in a mouse model of Duchenne muscular dystrophy. 
Tattoo Ink Nanoparticles Persist in Lymph Nodes
Jef Akst | Sep 12, 2017
Analysis of the bodies of deceased individuals can’t determine what effect these tattoo remnants have on lymph function, but researchers suggest dirty needles aren’t the only risk of the age-old practice.
New Lyme Disease Test Developed by Summer Student
Jenny Rood | Aug 1, 2016
The high schooler was studying cancer biomarkers in a George Mason University lab when her familial experiences with Lyme disease sparked an idea.
Nanoscale Defenses
Edward D. Marks and Steven Smith | May 1, 2016
Coating hospital surfaces, surgical equipment, patient implants, and water-delivery systems with nanoscale patterns and particles could curb the rise of hospital-acquired infections.
Copper Stopper
The Scientist Staff | Apr 30, 2016
This research found that coating hospital surfaces with copper helped battle microbes and the infections they spread.
Dying Light Marks the Spot
Catherine Offord | Mar 28, 2016
Drug-delivering nanoparticles designed to glow when their target cells die can report on the effectiveness of cancer therapies within just a few hours of treatment, a mouse study shows.
Next Generation: Nano Sunblock
Anna Azvolinsky | Sep 28, 2015
A new nanoparticle-based sunblock is effective, long-lasting, and may eliminate absorption of potentially harmful chemicals into the skin and bloodstream, a mouse study shows.