By Geeta Goindi
October 1, 2026 – Indian-American student Sai Sri Valli Mogilineedi of Mechanicsburg, Pennsylvania, has been named one of just 30 national finalists in the prestigious 2026 Thermo Fisher Scientific Junior Innovators Challenge (JIC), the nation’s premier STEM research competition for middle school students.
Selected from a highly competitive field of 1,997 entrants nationwide, Sai Sri Valli will travel to Washington, D.C., Oct. 23-28 for Finals Week, where students will compete for more than $100,000 in awards.
Organized by the nonprofit Society for Science, the Junior Innovators Challenge recognizes outstanding young scientists and engineers for creativity, scientific rigor and their ability to address real-world problems.
Now a student at Cumberland Valley Ninth Grade Academy, Sai Sri Valli conducted her award-winning project as an eighth-grader at Mountain View Middle School in Mechanicsburg.
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But behind the sophisticated science was something deeply personal: her grandfather’s struggle with persistent heartburn.
Sai Sri Valli had watched as he turned to over-the-counter antacids, only to find that their effects did not last.
“They only gave him short-term relief,” she said in a finalist profile published by Society for Science. “This was not only the case for my grandfather, but it was the case for many people struggling with Gastroesophageal Reflux Disease (GERD).”
That experience prompted a question: Could she find a way to make an antacid work longer?
The question became the foundation of her project, “A Novel Controlled Release System for GERD Drugs Using Immobilization Techniques.”
Traditional antacids can act quickly, but because they dissolve rapidly, their effects may be short-lived. Sai Sri Valli set out to develop a controlled-release system that could deliver the medication more gradually and potentially last longer.
Using calcium carbonate, an active ingredient in many antacids, she experimented with encapsulating the compound in calcium alginate beads. She crushed antacid tablets, dissolved them in water at different strengths and combined them with sodium alginate, a substance derived from algae that can form a gel.
She then exposed the resulting beads to different pH levels to determine how quickly they released the medication.
Her experiments showed that the calcium alginate beads released calcium carbonate more slowly under acidic conditions comparable to those in the stomach, while releasing their contents more rapidly in a basic solution. The results suggest the approach could potentially offer more sustained delivery of the antacid.
The work earned recognition at the Capital Area Science and Engineering Fair (CASEF), helping propel Sai Sri Valli to the national stage.
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The path to the Junior Innovators Challenge is highly selective. Students must first place among the top 10 percent of sixth-, seventh- or eighth-grade competitors at a Society for Science-affiliated fair to be eligible to apply. This year, 300 Junior Innovators were chosen from the 1,997 entrants before the field was narrowed further for Finals Week.
In Washington, finalists will participate in a series of team-based, hands-on STEM challenges, while also presenting and discussing their original research with judges. The competition’s top honor is the $25,000 Thermo Fisher Scientific ASCEND Award.
Outside the laboratory, Sai Sri Valli’s interests span academics, music, dance and community service.
She is an enthusiastic participant in Science Olympiad, which gives her an opportunity to explore subjects beyond the regular school curriculum.
“I get to learn more about topics that interest me than just my school’s curriculum,” she said.
Ecology is a particular interest, and she has attended summer camps exploring the subject as well as forensics. She also plays the violin and oboe, performs Kuchipudi, an Indian classical dance form, and volunteers with Caitlin’s Smiles, helping assemble craft kits for children in hospitals.
Looking ahead, Sai Sri Valli hopes to become a surgeon.
“I love learning about human anatomy, physiology, and the diseases and disorders that affect it,” she said.
For the young scientist, an idea born from watching her grandfather cope with heartburn has carried her from an eighth-grade science project in Pennsylvania to one of the country’s most prominent stages for young STEM innovators.
