2023 YHSSA USA Regional Medalists

Biology



Name School name Paper title
Gold George Cheng North Carolina School of Science and Mathematics DiaMiR: A MicroRNA (miR-23) Microneedle Patch for Type-2 Diabetes Control
Silver Yifei Zuo Princeton International School of Mathematics and Science Exploring the Effect of Polygonum multiflorum Thunb on Aβ1-42 Oligomer-Burdened Microglia Model  for Alzheimer's Disease Based on Network Pharmacology and Experiments in vitro
Jonathan Yanchen Yang
Bronze Ximurong Zhai Bishop Strachan School Intervention of Age-Related Memory Alteration by Integrative Musical Stimuli
Bronze Xingchuan Ma Portsmouth Abbey School VisRNA: interactive web server for scRNA-seq data analysis to discover therapeutic targets for non-small cell lung cancer



Chemistry



Name School name Paper title
Gold Yan Che The Loomis Chaffee School Synthesis, Characterization, and Application of Silica Aerogel Thin Films Prepared via Surface Derivatization: A Comprehensive Study on Micro-Silica Nanofilms for Enhanced Photoelectric Conversion Efficiency in Photovoltaic Solar Cells
Silver Yiwei Liang Princeton International School of Mathematics and Science Discovery and validation of small molecule TIGIT inhibitors for cancer immunotherapy
Silver Evan Xie Deerfield Academy Computational and AI-Assisted Design of Dual-Metal Single-Atom Catalyst for Oxygen Reduction Reaction
Bronze Huiyi Wen Tabor Academy Efficient Fog Harvesting with Self-Pump Bio-Inspired Multilayer Interface
Bronze David Wang Choate Rosemary Hall Investigation of the Effects of Structural Characteristics on the Sooting Tendencies of Lactones
Honorable Mention Anna Du Phillips Academy Developing an AI-Enhanced Protocol for Simulating Abiogenesis: Novel Nano-Structured Carbon Materials as a Templatizing Surface for Prebiotic Nucleic Acid Oligomer Formation
Honorable Mention Xi He Northfield Mount Hermon Alkylammonium Modified Photosensitizers Achieve Lysosome-Precision Photodynamic Therapy: Implications from Molecular Dynamics Simulations



Computer Science



Name School name Paper title
Gold Ella Lan The Harker School HDformer: A Higher-Dimensional Transformer for Detecting Diabetes Utilizing Long-Range Vascular Signals
Silver Evan Chang High Technology High School Upper bounds on the 2-colorability threshold of random d-regular k-uniform hypergraphs for k ≥ 3
Neel Kolhe Lynbrook High School
Silver Alexander Xu Great Neck South High School Analyzing Public Perception and Filtering Misinformation of Electronic Cigarettes on Twitter: A Natural Language Processing Approach
Bronze Jeslyn Chen Palo Alto Senior High School Shape Control and Color Harmonization for Improving Logo Design with Stable Diffusion
Bronze Zile Huang Kent School Self-Supervised Dementia Prediction from MRI Scans with Metadata Integration
Bronze Haorun Li Horace Mann School Multi-Property De Novo Drug Design Using Multi-Objective Deep Reinforcement Learning
Honorable Mention Rong Yang Pembroke Hill School HiStyle: Reinventing the Historic Portrait via 3D-aware GAN



Economics and Financial Modeling



Name School name Paper title
Silver Gary Chen Holderness School How Emotions Affect Risk-Taking
Honorable Mention Jonathan Jin Phillips Academy Andover Market sentiment and cryptocurrency prices: The case of Twitter



Mathematics



Name School name Paper title
Gold Shiqiao Zhang Phillips Exeter Academy The distribution of the cokernel of a random integral symmetric matrix modulo a prime power
Christopher Qiu Bridgewater Raritan High School
Rohan Das BASIS Independent Silicon Valley
Silver Jialin Zhang Phillips Exeter Academy Finite orbits of the braid group actions
Silver Akshaya Chakravarthy Thomas Jefferson High School for Science and Technology On Modular Categories with Frobenius-Perron Dimension Congruent to 2 Mod 4
Bronze Derui Chu Phillips Exeter Academy On an Extension of the Square Peg Problem for Polygonal Curves in Higher Dimensions
Bronze Nicholas Hagedorn Princeton High School Strict Inequalities for the n-crossing Number
Honorable Mention Zehan Pan Princeton International School of Math and Science The trunk number of satellite knots and Thurston norm
Honorable Mention Xueyiming Tang The Loomis Chaffee School Statistics of Low-Lying Zeros in Families of Cuspidal Newforms



Physics



Name School name Paper title
Gold Ava Tan Bhowmik The Harker School A Novel Home-Built Metrology to Analyze Oral Fluid Droplets and Quantify the Efficacy of Masks
Silver Valencia Zhang Phillips Academy Andover A Comparative Analysis of CO Isotopologue Multi-Line Modeling of the Physical Conditions in the Starburst Galaxy M82
Silver Sophie Zheng Rowland Hall Investigating the Origins of Hot Neptunes from Radial Velocity Data
Bronze Alexander Li C. Leon King High School Canonical Forms and Equivalence Classes of Quantum Clifford Codes in ZX Calculus
Bronze Ellen Wang Horace Mann School A Study on Arctic Sea Ice Dynamics Using the Continuous Spin Ising Model
Bronze Qianxun Zhao Phillips Academy Andover Bistability and Negative Stiffness of Truncated-Conical Shell
Honorable Mention Zixuan Li Ridley College A Novel Squid-Inspired AUV Design: Revolutionizing Coral Reef Preservation Through CFD and Experimental Insights into Drag and Maneuverability
Honorable Mention Zijian Qiu Toronto Montessori School Exploring the Galactic Center through Gravitational Microlensing: Prospects and Possibilities with Next- Generation Infrared Telescopes