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Spherical Ferrite Bead and Method of Making Disclosure Number 200100901 Technology Summary A method for making spherical beads of hexagonal ferrites (BaFe12O19 and SrFe12O19). The bead produced by the method of the subject invention may be used as an oscillator in various microwave components or it may be dispersed in a polymer matrix or coating. Invento…

PFTT - A Stackable Differential Mobility Analyzer for Aerosol Measurement Disclosure Number 200301341 Technology Summary The subject invention disclosed herein is a device and method for measuring, in real-time (ms to s), particle diameter over a wide size range from 1 nm to 1000 nm in one single system based on one single measurement principle. The subject invention is based on the conce…

Bioceramic Particulate Materials and Method of Making Disclosure Number 200201016 Technology Summary The subject invention disclosed herein comprises microspherical particles or beads of biocompatible calcium phosphates, either tricalcium phosphate (TCP) or hydroxyapatite (HA) or a combination thereof. Final density, grain size, and phase distribution are…

Esd Fact Sheet Rev01 SCIENCE AREAS WHO WE ARE S C I E N C E T O S U S T A I N O U R E N V I R O N M E N T O A K R I D G E N A T I O N A L L A B O R A T O R Y E N V I R O N M E N T A L S C I E N C E S D I V I S O N Atmospheric & Aerosol Science Environmental Chemistry Subsurface Science Biological Monitoring Environmental Analysis Water Sustainability …

Microbially Mediated Method for Making Semiconductor Nanoparticles To address the commercial need for bulk production at a reasonable cost, ORNL researchers developed a microbially mediated method for the production of semiconductor nanoparticles. This invention also offers a means of microbial synthesis that yields a purer and more uniform product. Nanoparticles with metal non-oxide composition…

: Fact Sheets
: Production, Semiconductor, Metal...

High-Gradient Permanent Magnetic Separator for Particle Collection If inhaled into the respiratory system, nanometer-sized particulate pollutants may cause adverse health effects in humans. Commercially available particle collectors can monitor ambient air quality, worker health and safety, and process manufacturing, whereas personal particulate monitors equipped with small vacuum pumps are avail…

: Fact Sheets
: Particle, Centrifuge, Monitoring...

Art and Method on Accelerating Microbial Test of Materials Note: The technology described above is an early stage opportunity. Licensing rights to this intellectual property may be limited or unavailable. Patent applications directed towards this invention may not have been filed with any patent office. Disclosure Number 201303081 Technology Summary This inventi…

Internal Labeling Technique Tracks Nanoparticle Transport To track the transport of nanoscale particles and core-shell particles in biological and environmental systems, ORNL researchers developed a way to insert a radioisotope or a fluorophore into the particle as an observable marker. Internalized labeling of nanoparticles leaves the surface intact and available for functionalization with a h…

: Fact Sheets
: Nanoparticle, Metal, Labeling...

Functionalized Gold Nanoparticles for Rapid, Ultra- sensitive Detection of Environmental Pollutants A rapid, highly sensitive, inexpensive method to detect and identify specific hazardous environmental pollutants has been invented by ORNL researchers. The method uses gold nanoparticles, modified and positively charged by an amine group, to identify hazards such as perchlorates, nitrates, and some…

: Fact Sheets

Ltm Na Fact Sheet LTM and NA Techniques makers are fulfilled while time and money are saved by not collecting unneces- sary data. ESD personnel are well- versed in a wide variety of sampling techniques. Our extensive experience in- cludes monitoring well and piezometer installation (hollow stem auger, rotary, air-percussion, rotosonic, and direct-push), test bor- ings, Membrane Interface Prob…

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