information technology and software
Hierarchical Image Segmentation (HSEG)
Currently, HSEG software is being used by Bartron Medical Imaging as a diagnostic tool to enhance medical imagery. Bartron Medical Imaging licensed the HSEG Technology from NASA Goddard adding color enhancement and developing MED-SEG, an FDA approved tool to help specialists interpret medical images. HSEG is available for licensing outside of the medical field (specifically for soft-tissue analysis).
information technology and software
MERRA/AS and Climate Analytics-as-a-Service (CAaaS)
NASA Goddard Space Flight Center now offers a new capability for meeting this Big Data challenge: MERRA Analytic Services (MERRA/AS). MERRA/AS combines the power of high-performance computing, storage-side analytics, and web APIs to dramatically improve customer access to MERRA data. It represents NASAs first effort to provide Climate Analytics-as-a-Service. Retrospective analyses (or reanalyses) such as MERRA have long been important to scientists doing climate change research. MERRA is produced by NASAs Global Modeling and Assimilation Office (GMAO), which is a component of the Earth Sciences Division in Goddards Sciences and Exploration Directorate. GMAOs research and development activities aim to maximize the impact of satellite observations in climate, weather, atmospheric, and land prediction using global models and data assimilation. These products are becoming increasingly important to application areas beyond traditional climate science. MERRA/AS provides a new cloud-based approach to storing and accessing the MERRA dataset. By combining high-performance computing, MapReduce analytics, and NASAs Climate Data Services API (CDS API), MERRA/AS moves much of the work traditionally done on the client side to the server side, close to the data and close to large compute power. This reduces the need for large data transfers and provides a platform to support complex server-side data analysesit enables Climate Analytics-as-a-Service. MERRA/AS currently implements a set of commonly used operations (such as avg, min, and max) over all the MERRA variables. Of particular interest to many applications is a core collection of about two dozen MERRA land variables (such as humidity, precipitation, evaporation, and temperature). Using the RESTful services of the Climate Data Services API, it is now easy to extract basic historical climatology information about places and time spans of interest anywhere in the world. Since the CDS API is extensible, the community can participate in MERRA/ASs development by contributing new and more complex analytics to the MERRA/AS service. MERRA/AS demonstrates the power of CAaaS and advances NASAs ability to connect data, science, computational resources, and expertise to the many customers and applications it serves.
Biomarker Sensor Arrays for Microfluidics Applications
This invention provides a method and system for fabricating a biomarker sensor array by dispensing one or more entities using a precisely positioned, electrically biased nanoprobe immersed in a buffered fluid over a transparent substrate. Fine patterning of the substrate can be achieved by positioning and selectively biasing the probe in a particular region, changing the pH in a sharp, localized volume of fluid less than 100 nm in diameter, resulting in a selective processing of that region. One example of the implementation of this technique is related to Dip-Pen Nanolithography (DPN), where an Atomic Force Microscope probe can be used as a pen to write protein and DNA Aptamer inks on a transparent substrate functionalized with silane-based self-assembled monolayers. But it would be recognized that the invention has a much broader range of applicability. For example, the invention can be applied to formation of patterns using biological materials, chemical materials, metals, polymers, semiconductors, small molecules, organic and inorganic thins films, or any combination of these.
The AeroPods design for steadying and damping payloads includes the use of a tail boom and fin combination. It is a novel design and provides a relatively simple alternative to the traditional methods for suspending equipment from kites or blimps. The AeroPod is superior to the traditional Picavet pulley-style suspension system for kite-flight because its light weight, simple to construct, and has no moving parts. Furthermore, the AeroPod design is advantageous to the traditional tethered blimp suspension technique where tether motion is translated directly to the sensor system because the AeroPod is free of direct motions of the tether.
Estimation of Alga Growth Stage and Lipid Content Growth Rate
This invention, provides a method using light in different wavelength ranges to estimate (i) algae growth stage and (ii) algae growth rates in media (e.g., fresh water or marine water). Absorption of light is measured for a beam having a specified light intensity in each of two or more specified narrow wavelength ranges. Optionally, light absorption is corrected for absorption in the same wavelength range by the medium. Then absorption of light is compared with a reference set of absorption values for the algae at different growth stages. Algorithm is applied to determine differences between measured absorption values and reference absorption values to estimate growth stage. Compensation for light reflection from a liquid (absent algae) is similar. Lipid content of the algae is measured at each of a selected set of growth stages. The estimated growth stage is correlated with a time variable to estimate time for initiation of growth of algae under specified conditions. One or more relevant environmental parameters (light intensity or wavelength, temperature, or nutrients) is varied in the growth medium for the algae and the time required for their grow this determined and related to the system described here.
Wastewater Treatment and Remediation
NASA's system was developed for smaller-scale, space-based applications. However, the technology is scalable for larger industrial and municipal water treatment applications. Implementation of the Ammonia Recovery System could significantly reduce nitrogen content from water treatment processes, meaningfully improving the quality of water. This system offers a novel way to reduce nitrogen water pollutants, while allowing for the nitrogen to be collected and reused- reducing environmental and public health risks and providing an environmentally friendly fertilizer option. NASAs environmental solutions work to sustain life on earth through space based technology The adaptable nature of this system gives it potentially broad applications in a wide variety of industries; it is particularly ideal for on-site remediation of wastewater in places like condo complexes, hotels and water parks. Current methods of ammonia recovery could not meet NASAs mission requirements, so a new process was devised to optimize for high ammonia selectivity, simplicity, low volume , low power usage and zero contaminants in the effluent. To do this, NASA designed a novel regenerable struvite-formation system for the capture of ammonia. This system has three primary functions: 1) Removal of ammonia from wastewater using a media that is highly selective for ammonia 2) Capture of the ammonia for later use (e.g., as a fertilizer) 3) Regeneration of the capture media for reuse in the system
The Fresnel spectrometer was built by adding a Fresnel grating onto a tiny sensor array micro-chip. As shown in Figure 1d, a half linear Fresnel grating was mounted vertically on one end of a linear imaging sensor. The Fresnel spectrometer uses a gradient line grating with changing gaps and widths as shown. The angle between the imaging detector surface and the grating is 90 degrees. The resolution of the current iteration is 20nm with a spectral range of 200nm ~ 1200nm. Resolution is dependent on the number of gratings. If the number of gratings approaches 200 the resolution would be less than 5nm, theoretically. Figure 1c shows an actual photo of the linear imaging sensor array chip (Hamamatsu S8378-256Q) that became a platform for building the first prototype linear Fresnel spectrometer. This chip has 256 active pixels in 25 m pitch and 0.5 mm height, spectral response range of 200 to 1,000 nm, and maximum operating clock frequency of 500 kHz. Instead of building a spectrometer by putting a detector into a box, NASA built the spectrometer onto the detector chip itself. NASA has developed a technology demonstrator of the basic spectrometer. In addition to the spectrometer, NASA has a software algorithm to acquire spectrum data and convert it to actionable information.
Algae Photobioreactor Using Floating Enclosures With Semi-Permeable Membranes
The photobioreactors allow light to enter through their transparent upper surface and optimizes the efficiency of light utilization with a light-reflective lower surface inside. Deployed in the marine environment, the gradient between the freshwater inside the system and the saltwater outside drives forward osmosis. The water removed through semi-permeable (forward osmosis) membranes is cleaned as it is released into the marine environment. In addition, this process concentrates nutrients in the algae medium to stimulate growth, and concentrates the algae to facilitate harvesting. The harvested algae can be used to make biofuels, fertilizer, animal food, or other products. The photobioreactors are intended for use in naturally or artificially protected marine environments with small waves and gentle currents. The system can also be used in artificial brine pools and freshwater basins or reservoirs, however in freshwater the forward osmosis feature cannot be used.
mechanical and fluid systems
These patented gear bearings provide superior speed reduction in a small package. They form rolling friction systems that function both as gears and bearings and are compatible with most gear types, including spur, helical, elliptical, and bevel gears. These self-synchronized components can be in the form of planets, sun, rings, racks, and segments thereof. The design reduces micro chatter and eliminates rotational wobble to create smooth and precise control. It offers tighter mesh, more even gear loading, and reduced friction and wear. Gear bearings eliminate separate bearings, inner races, and carriers, as well as intermediate members between gears and bearings. Load paths go directly from one gear bearing component to another and then to ground. By incorporating helical gear teeth forms (including herringbone), gear bearings provide outstanding thrust bearing performance. They also provide unprecedented high- and low-speed reduction through the incorporation of phase tuning. Phase tuning allows differentiation in the number of teeth that must be engaged govbetween input and output rings in a planetary gearset, enabling successful reduction ratios of 2:1 to 2,000:1. They provide smooth and accurate control with rifle-true anti-backlash. This produces a planetary transmission with zero backlash. The gear bearing technology is based on two key concepts: the roller gear bearing and the phase-shifted gear bearing. All designs are capable of efficiently carrying large thrust loads. Existing gear systems have drawbacks including weak structures, large size, and poor reliability, as well as high cost for some types (e.g., harmon-ic drives). Gear bearings solve these problems with simpler construction, fewer parts, and superior strength. By selecting the appropriate manufacturing method and materials, gear bearings can be tailored to benefit any application, from toys to aircraft.
Unmanned Aerial Systems (UAS) Traffic Management
The UTM functions will include support for the strategic as well as tactical operations. These functions include: airspace design where altitudes are assigned based on direction of flight, and geo fencing design and updates based on the need to avoid sensitive areas (e.g., noise sensitive areas or high value assets). It will provide surveillance of vehicles; weather and wind prediction, and integration with route and flow management; congestion management, and constraint and obstacle management (e.g., terrain, tall natural and man-made structures). Other functions include demand and capacity imbalance management for crossing points, arrival and departure phases; separation assurance, collision avoidance and recovery, and emergency landing site selection and landing, if needed. It provides minimum requirements on UASs to operate at the lower altitudes as relates to communication, sensors, navigation, collision avoidance, and classification of UAS based on their performance characteristics in terms of weight, wake, ability to operate with certain types of wind and weather.