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🧮 Supervised by Omer Dushek (with the fantastic handle @tcell.bsky.social), they've tackled a longstanding immunology question: ⍰ Why does viral neutralization by antibodies sometimes fail to correlate with their antigen-binding affinity? 2/5

🖥️🧬 Their research introduces a novel metric, molecular reach, i.e., the maximum antigen separation that still allows bivalent antibody binding. 3/5

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🔄 Using a mathematical model & experiments, they showed that antibodies with greater molecular reach are significantly more effective in neutralizing SARS-CoV-2, even when binding affinity is identical. 📍 This discovery underscores the importance of spatial dynamics in antibody function. 4/5