243 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.
243 projects · showing 31–60
ISEF · 2025
Materials Science
This study proposes the development of eco-friendly stoneware using waste glass and rice husk ash (RHA). The global recycling rate for glass is low, at approximately 20%, while RHA is a sign…
ISEF · 2025
Materials Science
Due to the growing demand for sustainable materials and the need to reduce the environmental impact of conventional polymers, this study aims to the use of Pinus spp. pine cones, an underuti…
ISEF · 2025
Environmental Engineering
The ornamental stone industry is responsible for the production of granites and marbles, but not all extracted material is used, as waste is discarded into nature due to its lack of added va…
ISEF · 2025
Biomedical and Health Sciences
Gastric adenocarcinoma is the fourth most common type of cancer in Brazil, often diagnosed at advanced stages, when the cure rate drops to 30%. MicroRNAs (miRNAs) are essential post-transcri…
ISEF · 2025
Robotics and Intelligent Machines
The growing evolution of artificial intelligence tools has culminated in the development of potentially harmful technologies, such as audio deepfakes. These artificially created media can cl…
ISEF · 2025
Environmental Engineering
Access to treated water is a challenge in many communities around the world. Globally, 2.2 billion people do not have access to drinking water. In Brazil, over 33 million people face this pr…
ISEF · 2024
Earth and Environmental Sciences
Since the Industrial Revolution,an increasing amount of CO2 has resulted in:the Global Warming,the ocean acidification that affects the metabolism of the microalgae.The objective of this wor…
ISEF · 2024
Animal Sciences
Disease-causing mosquitoes represent a public health problem as they are vectors of various arboviruses, such as dengue, chikungunya, and zika, which can cause serious sequelae in those infe…
ISEF · 2024
Physics and Astronomy
With the constant advancement of science and technology, particularly in astronomy, more effective resources have been developed for understanding the Universe. In 2015, the first observatio…
ISEF · 2024
Earth and Environmental Sciences
The development of this project involves the utilization of 3D modeling platforms like Unity 3D, augmented reality, and the integration of QR codes with smartphones and computers to enhance…
ISEF · 2024
Microbiology
Antibiotic resistance is a natural characteristic of microorganisms, but it continues to be a public health problem. With the advancement of nanotechnology, silver nanoparticles (AgNPs) have…
ISEF · 2024
Plant Sciences
The improper use of synthetic inputs in agriculture may impact the environment and human health. This research developed a biotechnological polymer seed coating rich in bioactive compounds t…
ISEF · 2024
Biomedical Engineering
According to the WHO, respiratory diseases are among the leading causes of mortality, and collectively, over one billion people suffer from acute or chronic respiratory conditions worldwide.…
ISEF · 2024
Chemistry
Papillary type 2 renal cell carcinoma (CCRp2) is an aggressive type of kidney cancer that has been growing more rapidly in cells and can spread to other organs of the body. Curcumin, a compo…
ISEF · 2024
Chemistry
Brazil is a world leader in coffee production and is the second-largest consumer. As a result, over 1,000,000 t of coffee grounds accumulate in landfills yearly and decompose, releasing gree…
ISEF · 2024
Engineering Technology: Statics & Dynamics
After the development of specific wheelchairs for dogs, the life quality of these animals with locomotor disabilities has improved considerably. However, even with the many benefits provided…
ISEF · 2024
Biochemistry
Cattle breeding and feeding requires large areas of pasture and is dependent on climate and designed soil. The use of supplementation is often necessary and in general the agroindustrial res…
ISEF · 2024
Earth and Environmental Sciences
Global discussions on environmental conservation are in the spotlight, mainly due to the 2023 United Nations Climate Change Conference, where a significant amount of US$ 186.6 million was al…
ISEF · 2024
Materials Science
Biodegradable polymers offer a solution to reduce the environmental impact of plastic waste. However, current biodegradability tests are both time-consuming and expensive, which hinders the…
ISEF · 2024
Plant Sciences Second Award
Waste in the food production chain directly impacts the economy and food shortage, creating the need for alternatives to reduce these losses. This project aims to develop a natural, healthy,…
ISEF · 2024
Cellular and Molecular Biology
Metals and their transporters influence cell behavior in cancer, and previous research demonstrated that manganese promotes malignancy. Therefore, if metal transporters are essential in main…
ISEF · 2024
Earth and Environmental Sciences
Oil exploration involves activities with a high polluting index that can harm the quality of water, soil, air, and, consequently, the quality of life of living beings. The world energy depen…
ISEF · 2024
Translational Medical Science
The objective of this research project is to present the development of prototupes of a herbal tincture and its respective healing ointment, created from the rich compounds mentioned in the…
ISEF · 2024
Cellular and Molecular Biology
Gastric adenocarcinoma is the fourth most common cancer in Brazil. . Symptoms appear at a more advanced stage of the disease, weight loss, anorexia, dysphagia, epigastric pain, melena and ea…
ISEF · 2023
Materials Science
Water pollution is a severe environmental problem that affects the world. The high concentrations of synthetic dyes disposed of by the textile industry, such as methylene blue, are a common…
ISEF · 2023
Environmental Engineering
The Brazilian semiarid region has 27 million inhabitants who depend on rainwater for subsistence activities such as agriculture and livestock. With average rainfall of 800 mm annually and li…
ISEF · 2023
Plant Sciences
Since 2008, Non-Conventional Food Plants (PANCs) have been gaining more space and even popularity, through several studies. From research on digital applications as a means of scientific dis…
ISEF · 2023
Systems Software
There is a local law that requires the condos to cover at least 12% of their land with green space. However, the inspection is ineffective and insufficient. Therefore, this research aimed to…
ISEF · 2023
Materials Science
The use and disposal of synthetic plastics is a relevant environmental problem. On the other hand, guava’s pruning leaves byproduct also negatively affect nature when burned. Therefore, my g…
ISEF · 2023
Embedded Systems
In the Brazilian perspective, landslides became very common in risk regions where communities lacking public services are found. A Brazilian community's environment is favorable for disaster…