Search Results - physical+science

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Apparatus and Method for continuous Production of Semiconductor Nanoparticles

A continuous-flow injection reactor and a method for continuous material synthesis, including synthesis of nanoparticles Background Nanocrystalline semiconductors have attracted a considerable amount of attention due to their unique physiochemical properties. Recent advances in nanocrystals are having a dramatic impact on the development of next...

Published: 10/15/2024 | Inventor(s): Chih-hung Chang, Hyungdae Jin, Yu-Wei Su

Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemicals / Chemical Engineering, Electrical & Computer Engineering, Nanotechnology

Category(s): Chemical, Chemistry, Engineering, Nanoscience & Microtechnologies, Device, Materials Science, Physical Science

Retinomorphic Sensors

This sensor, intended for use in computer vision applications, only produces a signal in response to changes in light conditions. Background Inspired by the way retinal cells respond to light, retinomorphic sensors are hoped to enable faster identification of moving objects than software-based approaches. Unlike conventional optical sensors, such...

Published: 3/22/2024 | Inventor(s): John Labram

Keywords(s):

Category(s): Device, Engineering, Imaging, Materials Science, Nanoscience & Microtechnologies, Physical Science, Transportation

Multimeric Therapeutic Nanobodies

Background Assembling nanobodies (Nb) into polyvalent multimers is a powerful strategy for improving the effectiveness of Nb-based therapeutics and biotechnological tools. However, generally effective approaches to Nb assembly are currently restricted to the N- or C-termini, greatly limiting the diversity of Nb multimers that can be produced. Here,...

Published: 8/11/2023 | Inventor(s): Ryan Mehl, Elise Van Fossen, Riley Bednar

Keywords(s):

Category(s): Nanoscience & Microtechnologies, Physical Science, Biological Materials

High Efficiency Carbon-Based Micro-LED

Technology Description Researchers at OSU have developed a new micro-LED utilizing carbon quantum dots that have strong excitation in the blue spectrum with tunable emission at high quantum efficiency in the orange and red, independent of excitation wavelength. The micro-LED structure also has negligible leakage of excitation light in the UV or blue...

Published: 6/1/2023 | Inventor(s): Li-Jing Cheng, Ye Liu

Keywords(s): carbon quantum dots, Light-emitting materials, micro-LED, Nanomaterials

Category(s): Device, Engineering, Materials Science, Nanoscience & Microtechnologies, Physical Science

Body heat-powered heart beat detection circuit

Technology Description The inventors have designed, implemented, and demonstrated an integrated circuit architecture for robust and automated detection of heartbeats from a two-electrode ECG signal. This uses sufficiently low power (~20μW) that it can be powered entirely by human body heat from a cm-scale TEG module at ~20mV, including wireless...

Published: 6/23/2023 | Inventor(s): Soumya Bose, Boyu Shen, Matthew Johnston

Keywords(s): battery-less sensors, biosensor, heart rate monitor

Category(s): Engineering, Medical Devices, Nanoscience & Microtechnologies, Physical Science, Device, Diagnostics

Thermal Fan

Technology Description This thermal fan device operates, in principle, similarly to a heat pipe by utilizing the latent heats of vaporization and condensation with the corresponding phase changes to move a fluid like air. A phase change working fluid is contained within a confined volume that is exposed to the low-grade heat. The working fluid is selected...

Published: 6/8/2023 | Inventor(s): Bahman Abbasi, Deepak Sharma

Keywords(s): air circulation, low-grade heat, thermal fan

Category(s): Engineering, Physical Science, Sustainability & Cleantechnologies, Device

Electrocaloric Device

Technology Description This technology is an electrocaloric devices as well as methods of making electrocaloric integrated circuits, and methods of thermally cycling integrated circuits. The electrocaloric device can include an electrocaloric material having a solid solution of two or more components of perovskites BNT, BKT, BZT, BMgT, or BNiT. The...

Published: 1/16/2023 | Inventor(s): David Cann, Brady Gibbons, Troy Ansell, James (PTD) Abbott

Keywords(s):

Category(s): Device, Engineering, Materials Science, Nanoscience & Microtechnologies, Physical Science

Thermally Actuated Freshwater Recovery System for Fracking Wastewater

Technology Description This technology, a product of Oregon State University research, details a device for the efficient treatment of wastewater produced from hydraulic fracturing (fracking). Relying upon the properties of water azeotropes and humid gas thermodynamics, this system is capable of treating water with a wide range and high concentration...

Published: 6/8/2023 | Inventor(s): Bahman Abbasi, Hannah O'Hern, Elnaz Nikooei, Xiang Zhang

Keywords(s): wastewater treatment

Category(s): Chemical, Device, Engineering, Physical Science, Sustainability & Cleantechnologies

High Flux Resistance Heating Rod

Technology Description This technology provides for improved simulation of nuclear reactor fuel rod pulsation for research and testing purposes. The device is a resistive heating filament capable of producing 2.5 MW/m2 of energy in a matter of tens of milliseconds with an outer diameter of less than a centimeter (0.9525 cm). This responsive heating...

Published: 5/10/2021 | Inventor(s): Daniel LaBrier, Wade Marcum, Jim Nylander, Aaron Weiss, Salem Sharaf

Keywords(s): boiling, critical heat flux, nuclear

Category(s): Diagnostics, Device, Engineering, Physical Science, Research Tools, Sustainability & Cleantechnologies

Aqueous solution precursors for conductive oxide thin films

Technology Description Inventors at OSU have developed a method for creating conductive oxide thin films from aqueous precursor solutions that have high density, low surface roughness, high optical transmissivity, and good electronic properties. This solution processing method of preparing the conductive oxide thin films has a lower energy cost than...

Published: 3/19/2024 | Inventor(s): Cory Perkins, Douglas Keszler

Keywords(s): aqueous chemistry, semiconductor, transparent conductive oxide thin films

Category(s): Chemical, Engineering, Materials Science, Nanoscience & Microtechnologies, Physical Science

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