Valliappan Kannappan

Episode 5: Beyond Bias: Toward Chiral Intelligence

❓ Can AI truly be intelligent if it is stereo-blind? 🌀 On Visuals and Stereochemical TruthSome illustrations in this series are generated or assisted by AI to support conceptual understanding. These visuals are intentionally simplified and should not be read as stereochemically rigorous or chemically exact representations. Wherever stereochemical fidelity matters, it is addressed explicitly …

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Episode 4: Fixing the Bias: Data, Models and Generative Constraints

❓ How do we move from recognizing chiral bias to responsibly fixing it? On Visuals and Stereochemical TruthSome illustrations in this series are generated or assisted by AI to support conceptual understanding. These visuals are intentionally simplified and should not be read as stereochemically rigorous or chemically exact representations. Wherever stereochemical fidelity matters, it is …

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Episode 3: When Algorithms Miss the Mirror: How Chiral Blind Spots Break the Pipeline?

“When molecules have two hands but AI only sees one.” On Visuals and Stereochemical TruthSome illustrations in this series are generated or assisted by AI to support conceptual understanding. These visuals are intentionally simplified and should not be read as stereochemically rigorous or chemically exact representations. Wherever stereochemical fidelity matters, it is addressed explicitly in …

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Episode 2: Why Chirality Confuses Machines?

“AI isn’t blind—just stereo-sloppy” On Visuals and Stereochemical TruthSome illustrations in this series are generated or assisted by AI to support conceptual understanding. These visuals are intentionally simplified and should not be read as stereochemically rigorous or chemically exact representations. Wherever stereochemical fidelity matters, it is addressed explicitly in the discussion—because in chemistry, especially in …

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Episode 1: The Promise and the Paradox: AI That Miss the Mirror

“When algorithms forget the mirror, molecules lose their meaning” On Visuals and Stereochemical TruthSome illustrations in this series are generated or assisted by AI to support conceptual understanding. These visuals are intentionally simplified and should not be read as stereochemically rigorous or chemically exact representations. Wherever stereochemical fidelity matters, it is addressed explicitly in the …

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Chiral Drug Engineering: Building Safer, Smarter, and More Selective Medicines

Where a molecule’s handedness meets clever engineering—shaping safer, more precise, and more effective medicines. Introduction: Why Chirality Matters in Drug Engineering In the world of drug design, a subtle twist in molecular geometry can change everything. Two molecules may share the same atoms and bonding pattern yet behave like entirely different substances simply because they …

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🧭 The Molecular Grammar of Medicines: Isomerism, Chirality, and Stereochemical Relationships Explained

“Where molecules speak, stereochemistry gives them meaning“ In pharmaceuticals, structure is language — and stereochemistry is its grammar. The way atoms arrange in 3D space shapes how drugs work, how they are regulated, and how safe they are. This Chiralpedia tutorial simplifies the molecular “grammar” behind drug behavior and innovation. When Structure Speaks Every drug …

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The Hidden Chirality in Drug Metabolites: A metabolic blind spot

“Chirality isn’t hidden — we just stopped looking closely enough” The Unseen Journey After the Dose: 💊 When a patient swallows a drug, the journey is far from over. Sometimes, the real chiral story begins after the dose. The drug molecule meets a series of enzymes — oxidases, reductases, transferases — each capable of transforming …

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When Drug Labels Miss the Twist: The regulatory bind spot

“When chemistry tells two stories, the label should tell both” Drug labels tell us what’s inside — but not always how the molecule twists. And sometimes, that subtle twist changes everything: how a drug acts, how it’s regulated, and even whether it’s safe or addictive. Chirality — the property of handedness in molecules — has …

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Part 10: Stereochemistry in Pharmaceutical Sciences – Current Trends and Future Directions

“Beyond today – emerging trends shaping the future of stereochemistry in pharma” Introduction The landscape of stereochemistry in pharmaceutical sciences continues to evolve with scientific and technological advances. This final part looks at emerging trends and future challenges. These include: – New developments in asymmetric catalysis, such as organocatalysts (MacMillan/List catalysts) that have expanded the …

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