Results 81 to 90 of about 14,546 (303)
Smart Catheters for Diagnosis, Monitoring, and Therapy
Advanced Healthcare Materials, EarlyView.This study presents a comprehensive review of smart catheters, an emerging class of medical devices that integrate embedded sensors, robotics, and communication systems, offering increased functionality and complexity to enable real‐time health monitoring, diagnostics, and treatment. Abstract This review explores smart catheters as an emerging class of
Azra Yaprak Tarman +12 more
wiley +1 more source
Advanced propellant management system for spacecraft propulsion systems. Phase 1 - Survey study and evaluation [PDF]
Apollo spacecraft propulsion system propellant ...
Balzar, D. L. +4 more
core +1 more source
, 2013 This paper presents a design for scaleable space solar power systems based on free-flying reflectors and module self-assembly. Lower system cost of utility-scale space solar power is achieved by design independence of yet-to-be-built in-space assembly or
Leitgab, Martin
core +1 more source
Advanced Healthcare Materials, EarlyView.This review explores the evolving role of microneedle systems in psoriasis management, highlighting their potential for enhanced drug delivery, diagnosis, and disease monitoring. It also discusses unmet clinical needs for psoriasis management and technical challenges, while outlining strategic directions to advance microneedle integration into routine ...
Fatma Moawad +3 more
wiley +1 more source
Green Propulsion Auxiliary Power Unit Demonstration at MSFC [PDF]
In 2012, the National Aeronautics & Space Administration (NASA) Space Technology Mission Directorate (STMD) began the process of building an integrated technology roadmap, including both technology pull and technology push strategies.
Beckel, Steve, Robinson, Joel W.
core +1 more source
Dynamics of electrically controlled propellant valves for “green”-propellant thrusters
Technical mechanicsRecently, the leading space countries have paid much attention to searching for and using new types of untoxic “green” propellants. Developments of 0.1 N to 220 N “green”-propellant thrusters have been reported, and some of them have been successfully tested in flight conditions.
openaire +1 more source
Oxygen and ROS Delivery for Infected Wound Healing and Future Prospects
Advanced Healthcare Materials, EarlyView.Bacterial infection is a major driver of delayed wound healing and postsurgical readmissions; with rising antibiotic resistance, solid peroxide–releasing biomaterials offer sustained delivery of ROS/O2 for antimicrobial control and microenvironmental modulation.
Ayden Watt +7 more
wiley +1 more source
Catalytic ignition of hydrogen and oxygen propellants [PDF]
An experimental program was conducted to evaluate the catalytic ignition of gaseous hydrogen and oxygen propellants. Shell 405 granular catalyst and a monolithic sponge catalyst were tested. Mixture ratio, mass flow rate, propellant temperature, and back
Green, James M., Zurawski, Robert L.
core +1 more source
Advanced Healthcare Materials, EarlyView.An advanced microneedle patch integrating niobium carbide nanosheets and curcumin is engineered for diabetic wound healing. The system enables dual ROS scavenging and NIR‐enhanced antimicrobial activity, effectively rebalancing the oxidative microenvironment, promoting macrophage repolarization and angiogenesis, and accelerating full‐thickness wound ...
Zhi Zheng +12 more
wiley +1 more source
Development of Green Bipropellant Thrusters and Engines Using 98% Hydrogen Peroxide as Oxidizer
AerospaceThe need for non-toxic chemical propulsion systems is growing stronger in today’s space sector. One of the possible solutions for next-generation bipropellant systems is using hydrogen peroxide as the oxidizer.
Adam Okninski +17 more
doaj +1 more source