Notable Technical Inquiries (TIs)

Notable TIs are summaries of the most recent and impactful works done by HDIAC in response to technical inquiries that were submitted by the homeland defense and security community members. These summaries are intended to give a sampling of the wide range of questions presented and responses produced by HDIAC under the free 4 hours of information research support.

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COVID-19 Delta Variant

HDIAC received a technical inquiry on the transmissibility of the SARS-CoV-2 delta variant and the efficacy of vaccines against those variants. Initial research has shown that the SARS-CoV-2 delta variant (B.1.617.2 lineage) is 43%-60% more…

Water and Food Safety From Chemical, Biological, Radiological, and Nuclear (CBRN) Threats

On June 23, 2021, HDIAC received a technical inquiry to research the concept of food fraud as an avenue of approach for CBRN agents.  The results would be used to inform the larger community of…

Decontamination or Contamination Mitigation Using Zirconium Hydroxide

On May 17, 2021, the Homeland Defense and Security Information Analysis Center (HDIAC) received a technical inquiry through the HDIAC website,, which asked for information on decontamination or contamination mitigation using zirconium hydroxide. The…

Staff Sgt. Nathan Harris, 96th Medical Group medical laboratory technician, places a patient sample in a molecular diagnostic analyzer used to test for COVID-19 May 1 at Eglin Air Force Base, Fla. It takes approximately 70 minutes to process each panel. (U.S. Air Force photo/Ilka Cole)

COVID-19 Test Kits and Reagents

HDIAC provided supplementary analysis to a DSIAC inquiry concerning different types of reagents used for COVID test kits. Research into different types of testing and collection methods was conducted, including antigen and antibody tests, reverse…

Ultrasonic patch

Wearable Diagnostic Devices to Measure Infections

USAMMDA submitted a technical inquiry asking for a summary of wearable diagnostic devices that could measure viral and/or bacterial infections. HDIAC was also able to identify and use current studies designed for the detection of…

An Airman from the 38th Rescue Squadron ensures the connection between the air tank and the air hose is snug, Jan. 20, 2016, at Moody Air Force Base, Ga. Airmen must secure their equipment before entering the pool. (U.S. Air Force photo by Airman Daniel Snider/released)

Emerging Oxygen Generation Technology

U.S. Army Medical Materiel Development Activity (USAMMDA) requested assistance to determine the existence of noteworthy technology or research capable of producing breathable oxygen at the rate of 1-4 liters per minute. HDIAC analyzed the latest…

operational energy

Operational Energy

Energy security and forward operating base self-sufficiency are not solely logistics issues; they also affect the safety of the Warfighter. Self-sufficient forward operating bases (FOBs) require fewer resupply convoys, which are vulnerable to insurgent attacks…

Hydrogels in Biomedical Applications

Hydrogels in Biomedical Applications

The Homeland Defense and Security Information Analysis Center recently conducted research and analysis on possible Department of Defense (DoD) applications for chondroitin sulfate glycosaminoglycan hydrogels. Background CS-GAG hydrogels are a modification of hyaluronic acid. HA,…

Safety Culture in the U.S. Pipeline Industry

Safety Culture in the U.S. Pipeline Industry

The Homeland Defense and Security Information Analysis Center received a request for research and analysis of safety culture assessments and incident rates within the U.S. pipeline industry. HDIAC highlighted the most commonly occurring safety incidents…

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