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Articles 1 - 7 of 7
Full-Text Articles in Life Sciences
Ecological And Organic Life Safety Concerns Of Hfo-1234yf, Alberni V. Ruiz
Ecological And Organic Life Safety Concerns Of Hfo-1234yf, Alberni V. Ruiz
STAR Program Research Presentations
While at NOAA my research was directed by the inquiry of whether or not HFO-1234yf, a new compound being introduced into coolant system and replacing greenhouse gases HFC, is harmful to organic life. Using the computer program Matlab I was able to develop figures that represented the concentration of HFO-1234yf (HFO) in 12 different tower locations throughout the country. Comparing and contrasting concentrations of this HFO compound at each site led me to the question the possible harmful side effects this compound could bring to organic life due to the fact that concentration levels are increasing, with one factor being …
Consumer Agricultural Education: Starting At The High School Level Health Class, Cecilia Teresa Acosta
Consumer Agricultural Education: Starting At The High School Level Health Class, Cecilia Teresa Acosta
Agricultural Education and Communication
The purpose of this project is to analyze and understand the communication gap between the farmer and consumer in order to create a dialogue about misconceptions in the media. Often rumors in the media worry or mislead the consumer in his or her buying choices. In order for consumers to understand what they are buying, and critically analyze media information, it is necessary to teach agricultural education at the high school level health class. This project will showcase how to start this education in order to bridge the communication gap starting with five crucial and common food-packaging labels. These labels …
Automated Detection Of Deep-Sea Animals, Dallas J. Hollis, Duane Edgington, Danelle Cline
Automated Detection Of Deep-Sea Animals, Dallas J. Hollis, Duane Edgington, Danelle Cline
STAR Program Research Presentations
The Monterey Bay Aquarium Research Institute routinely deploys remotely operated underwater vehicles equipped with high definition cameras for use in scientific studies. Utilizing a video collection of over 22,000 hours and the Video Annotation and Reference System, we have set out to automate the detection and classification of deep-sea animals. This paper serves to explore the pitfalls of automation and suggest possible solutions to automated detection in diverse ecosystems with varying field conditions. Detection was tested using a saliency-based neuromorphic selective attention algorithm. The animals that were not detected were then used to tune saliency parameters. Once objects are detected, …
Fatty Acid Recovery And Identification In Mars Analogue Soil Samples, Kimberly E. Lykens
Fatty Acid Recovery And Identification In Mars Analogue Soil Samples, Kimberly E. Lykens
STAR Program Research Presentations
A primary goal of NASA’s Mars 2020 mission is to gather and store samples of Mars soil that could possibly be returned to Earth in a future mission for investigations into past or present life. In years leading up to a potential sample return mission on Mars and potentially other worlds, samples taken from Chile’s Atacama Desert, the most arid, biologically limited desert in the world, are valuable in developing a capacity for biosignature detection, specifically when exploring fatty acid abundance. Eighteen samples were collected from two sites in the Atacama characterized by biological soil crusts (BSC). BSCs are areas …
Comparison Of The Promega And Kikkoman Atp Devices, Ryan Hendrickson, James Nick Benardini, Kasthuri Venkateswaran
Comparison Of The Promega And Kikkoman Atp Devices, Ryan Hendrickson, James Nick Benardini, Kasthuri Venkateswaran
STAR Program Research Presentations
Planetary Protection (PP) is a scientific discipline that aims to protect other celestial bodies from microorganisms found on Earth by preventing forward and backward contamination. Forward contamination is bringing life from Earth to a given celestial body and backward contamination is preventing contamination of eventual sample return missions from Mars back to Earth. PP verifies that NASA Planetary Protection requirements are met in part via the NASA Standard Assay in order to support the launch approval process and to comply with international law. The NASA Standard Assay verifies these bioburden requirements by quantifying any aerobic, heterotrophic, and heat-shock resistant isolates. …
Survival Of B. Horneckiae Spores Under Ground-Simulated, Sneha Tharayil, Parag Vaishampayan
Survival Of B. Horneckiae Spores Under Ground-Simulated, Sneha Tharayil, Parag Vaishampayan
STAR Program Research Presentations
Increasing efforts to find and study habitable conditions and the possibility of life on extraterrestrial cosmic bodies have also deepened the need for planetary protection advancements to prevent possibilities of forward and backward contamination. Despite stringent precautions to ensure spacecraft cleanliness, a number of spore-forming bacteria, including the biofilm forming strain, Bacillus horneckiae have been isolated from spacecraft associated surfaces. B. horneckiae spores have demonstrated unusually high resistance to rigorous sterilization procedures, and extreme conditions, including intense UV radiation. This exceptionally high tolerance of extreme conditions demonstrated by spore-forming bacteria highlighted the need to assess the viability of these microbes …
Relationship Of Maternal Flow Environment To Offspring Size In Botrylloides Violaceus, Damion J. Delton, Sarah Cohen
Relationship Of Maternal Flow Environment To Offspring Size In Botrylloides Violaceus, Damion J. Delton, Sarah Cohen
STAR Program Research Presentations
Colonial botryllid tunicates, such as Botrylloides violaceus, brood large, non-feeding offspring with extremely limited larval life spans of minutes to perhaps one day. Despite the importance of this transitory life history stage, there is little information on how environmental factors such as ambient water flow affect larval size among invertebrates. Since adult tunicates feed by filtering particles from the water flowing around the siphons, we reasoned that colonies of B. violaceus in high water flow may produce larger offspring due to greater food availability. We tested to see whether there was a relationship between larval size and water motion in …