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2025
Thursday, April 17th
10:15 AM

Effects of Sunscreen Chemicals on Freshwater Algae

Anna Montano, Illinois Math and Science Academy

10:15 AM - 10:30 AM

Roughly 14,000 tons of sunscreen enter the waterways across the entire globe every year. Sunscreens are released via human contact, runoff from sand, and spray-on sunscreens. Although sunscreen is effective against UV radiation, the active ingredients harm aquatic ecosystems and damage coral reefs. Sunscreens have been found in the cenotes in the Yucatan Peninsula, underground water systems that serve as ... Read More

Five-Year Spatiotemporal Water Quality Assessment of Horseshoe Lake Using Sentinel-2 Imagery and Google Earth Engine (GEE)

Ellen Hsuan, Illinois Math and Science Academy

10:15 AM - 10:30 AM

Satellite-derived data analysis offers a cost-effective alternative to traditional in-situ measurements for monitoring water quality dynamics in critical water bodies. This study leverages remote sensing techniques to assess multiple zones within Horseshoe Lake, Illinois, identified based on physical barriers, hydrological flow, and proximity to water treatment facilities. To ensure scientific rigor, we applied unsupervised clustering techniques such as K-means, ISODATA, ... Read More

10:45 AM

The Beneficial Effects of Oxidative Hydrothermal Dissolution Processed Cow Manure as a Biostimulant to Improve Nutrient Uptake, Stress Resistance, and Tomato Crop Quality

Aini Ahmed, Illinois Math and Science Academy

10:45 AM - 11:00 AM

Climate change threatens the security of the agricultural industry, by reducing worldwide yields and requiring more resources to fight drought and disease. A novel technology, oxidative hydrothermal dissolution (OHD), is a process that can convert water-insoluble waste biomass into water-soluble low molecular weight molecules that act as a biostimulant. Biostimulants are an emerging alternative to overused agrochemical fertilizers and have ... Read More

11:40 AM

Examining the Differences in Water Treatment Between Chicago and Evanston

Ian Chung, Illinois Math and Science Academy

11:40 AM - 11:55 AM

Drinking water is a critical component of peoples' everyday lives, so it is critical that the quality of municipal tap water is accurately measured and adheres to contaminant limits. The U.S. Environmental Protection Agency (EPA) established the Lead and Copper Rule (LCR) in 1991 to reduce exposure to lead and copper in drinking water, which can cause numerous health impacts ... Read More

2:30 PM

Vaginal absorption of surfactants and chemicals: a narrative review

Hamsika Thumu, Illinois Math and Science Academy

2:30 PM - 2:45 PM

Vaginally used products can contain toxic chemicals such as surfactants, per- and polyfluoroalkyl substances, metals, and others. Chronic dermal exposure to these chemicals can lead to adverse health effects, however the effects of vaginal exposure are unknown. The objective of this review is to evaluate if surfactants and other chemicals applied intravaginally can be absorbed systemically or negatively impact vaginal ... Read More