Who We Are

PathSensors is a leading biotechnology and environmental testing company. Using CANARY® technology licensed from the MIT-Lincoln Laboratory, our products deliver extremely rapid detection of more than 25 pathogens at previously unattainable levels of speed and sensitivity.

How We Protect You

BioFlash aerosol pathogen detector

Building Protection

Integrated into a CBRNe suite or used as a standalone instrument, our BioFlash Pathogen Identifier is widely adaptable to building biosecurity applications.

Portable Zephyr liquid and surface sample pathogen identifier

Biothreat Response

Our Zephyr Pathogen Identifier is modular, mobile and delivers results in minutes. The system is ideal for responding to bioterror events in the field.

Plant pathogen detection assays

Plant Disease Diagnostics

In collaboration with the USDA, PathSensors has developed a number of assays for harmful plant diseases, in a single sample and high throughput format.

In The News

Report by U.S. Government Research Scientists Confirms Bio Terror Threat Detection Capabilities of PathSensor’s CANARY Technology

February 23rd, 2017

Pacific National Northwest Laboratory researchers find CANARY Technology had best detection sensitivity for Ricin and Anthrax of any comparable technology evaluated.
Baltimore biotech firm, PathSensors, Inc., announced today that in a published evaluation of multiple immunoassay-based threat detection technologies by researchers from the Pacific National Northwest Laboratory (PNNL), a U.S. Department of Energy Laboratory, PathSensors’ CANARY® biosensor threat detection technology was found to have the best level of detection (LOD) for two bio terror threats, Bacillus anthracis (anthrax) and Ricin. Read More

PathSensors' BioFlash™ MailGuard – A Breakthrough in Mail Screening Security

April 26th, 2017

The BioFlash™ MailGuard System consists of an integrated biological testing unit, down flow booth, mail jogger, and compact medical refrigerator and requires standard 110v power to operate. The biological testing unit has the ability to connect to the Internet via an optional tethered laptop computer, which permits remote system diagnostics and secondary testing confirmation as needed. It can detect over 25 biological threats in concentrations as low as 100 CFU in less than five minutes. The BioFlash™ MailGuard uses PathSensors' CANARY® technology, which is currently deployed by Defense and Homeland Security customers, and which can be Integrated with x-ray, chemical and other threat detection technologies. For more information, contact us at or visit Booth #1024 at National Postal Forum (, May 21st through the 24th. Learn More About BioFlash MailGuard