11705 projects whose affiliated fair was here, most recently in 2026.
ISEF records a state or province for some finalists and not others, so these counts do not add up to the country total.
11705 projects · showing 6511–6540
ISEF · 2019
Physics and Astronomy
With the advent of atomic resolution imaging techniques comes the challenge of disentangling the intrinsic electronic properties of materials from their stochastic atomic-scale disorder. In…
ISEF · 2019
Chemistry
When an oil well is drilled, water must be injected to provide easy access to the crude oil in the shale. After, when the oil is pumped, wastewater is produced. This wastewater must be treat…
ISEF · 2019
Microbiology
Purpose: Weeds in agriculture compete for energy resources, decreasing yields and increasing labor costs. Herbicides to kill weeds are toxic to human health, environment and most importantly…
ISEF · 2019
Biochemistry
Individuals who suffer from lactose intolerance are deficient in the digestive enzyme lactase, which breaks down lactose (sugar in dairy milk). So, they take the lactase enzyme supplement La…
ISEF · 2019
Embedded Systems
A Doppler Radar System is presented which is suitable for reporting sudden changes of streamflow. The system includes a Doppler radar transceiver and uses Digital Signal Processing to detect…
ISEF · 2019
Robotics and Intelligent Machines Fourth Award
Lygodium Microphyllum is an invasive species relatively new to Central Florida. It out-competes and destroys varieties of plants in multiple ecosystems. Currently, detection in Central Flori…
ISEF · 2019
Engineering Mechanics
The increasing use of drones by commercial enterprises is creating a growing demand for professional pilots. This demand is not being met due to the initial intimidation and expense of purch…
ISEF · 2019
Computational Biology and Bioinformatics
Diabetes affects 30 million Americans, and costs $300 billion a year. The first regimen prescribed to new patients is usually metformin: it is very effective at reducing the level of sugar i…
ISEF · 2019
Microbiology
Epstein-Barr virus (EBV) is a prevalent herpesvirus which is strongly implicated in the development of numerous cancers. Central to tumor progression, hypoxia has also been demonstrated to p…
ISEF · 2019
Mathematics Fourth Award
I developed a new method to analyze expanding maps with indifferent fixed points. I applied this method to specifically analyze the iterations of the tangent map, proving both measure-theore…
ISEF · 2019
Behavioral and Social Sciences
The purpose of this project was to determine if English-Spanish bilinguals have more Stroop Interference than English monolinguals. This is important because little research has been done on…
ISEF · 2019
Biomedical Engineering
Point of care technology, which monitors the human body through direct-contact sensors, has been on the rise. The next step would be to sense problems and then release medicine or nano-techn…
ISEF · 2019
Cellular and Molecular Biology
BACKGROUND: The androgen receptor (AR) is the driving force of prostate cancer growth. The AR is a nuclear receptor which, upon activation, goes to the nucleus and promotes transcription of…
ISEF · 2019
Animal Sciences
There has been substantial growth in the prevalence and popularity of electronic cigarettes since they were developed in 2004, possibly due to advertisements that market them as a safer alte…
ISEF · 2019
Physics and Astronomy Third Award
Three-dimensional topological Dirac semimetals (3D-TDSMs) have unusually high mobility at room temperature due to their unique linear electronic band dispersion and nontrivial band topology.…
ISEF · 2019
Biomedical and Health Sciences
Infantile Hypertrophic Pyloric Stenosis (IHPS) is a condition that occurs in newborns from 0-6 months of age. Food is restricted from passing through the pylorus causing the obstruction of t…
ISEF · 2019
Microbiology
Antibiotics are becoming less effective, due to their increased use, producing resistant bacteria. Phages, viruses that infect bacteria, can be researched to treat bacterial infections. One…
ISEF · 2019
Chemistry
Polyaromatic hydrocarbons (PAHs) are common organic pollutants in water and well known for their persistence, carcinogenicity, mutagenicity, and toxicity. Motor oil from cars, insecticides,…
ISEF · 2019
Plant Sciences
Many plants depend on complex communities of microorganisms to support growth. Symbiosis, the interaction between two species, has been occurring for over 400 million years. As close partner…
ISEF · 2019
Materials Science
The ability to control the growth of zinc oxide nanowires is important for such applications as field emission electron sources, chemical sensors, and optoelectronic devices. In field emissi…
ISEF · 2019
Embedded Systems
The charge equalizer was able to sustain the same amount of voltage in all the battery configurations regardless of the number of batteries in the array or their individual positions. Implem…
ISEF · 2019
Biochemistry
The most abused chemical, alcohol, has been linked to dementia and ischemic stroke, in which blood-brain barrier (BBB) dysfunction is a common characteristic. The goal was to investigate if…
ISEF · 2019
Biomedical and Health Sciences
Alcohol and aspartame are commonly consumed substances. Alcohol, a depressant, is currently the most abused substance today. It slows down bodily functions and can severely damage the heart.…
ISEF · 2019
Behavioral and Social Sciences
This study revealed the influence of an instructor on students’ ideology and perception of valid information. It was hypothesized that if students were presented with an economic theory by a…
ISEF · 2019
Physics and Astronomy
This study was designed to assess the effects of the fit of a mountain biker's aerodynamics. 1 participant rode a standard entry-level cross-country mountain bike down a one-kilometer segmen…
ISEF · 2019
Earth and Environmental Sciences
Coral reefs are one of the most diverse ecosystems in the world. With the use of motor boats, gasoline is being emitted into the ocean everyday at an alarming rate. The objective of this stu…
ISEF · 2019
Microbiology Third Award
Periodontitis is one of the most prevalent inflammatory diseases, with an annual expense of 14 billion dollars on the disease therapy. It is the leading cause of tooth loss among adults and…
ISEF · 2019
Microbiology Fourth Award
i-Motifs and G-quadruplexes are unusual DNA secondary structures that have been implicated as regulatory elements for eukaryotic gene expression. i-Motifs are intercalated ladder formations…
ISEF · 2019
Biochemistry
Background: Alzheimer’s dementia (AD) is characterized by profound memory loss. New models of treatment are needed since the prevailing amyloid hypothesis has not resulted in successful trea…
ISEF · 2019
Biomedical and Health Sciences Third Award
Retinopathy of prematurity (ROP) is a retinal angiogenic disorder that results from rapid microvascular proliferation after exposure to oxygen supplementation in preterm infants. It is curre…