Real-Time Detection, Transduction, and Selectivity in Analytical Chemistry

Chemical sensors are the vital link between molecules and measurable signals. Whether monitoring pollutants in the environment, detecting biomarkers in medical diagnostics, or controlling industrial processes, sensors translate chemical reality into actionable information.

This 10-lecture modular series offers a structured exploration of chemical sensing, designed for students, educators, and researchers. Each lecture provides clear explanations, diagrams, schematics, and worked examples, making complex concepts accessible while maintaining scientific depth.

Why This Series Matters

• Understand the principles: Learn how sensors detect, amplify, and transmit chemical signals.
• Explore selectivity and transduction: Discover how sensors differentiate between molecules and generate measurable outputs.
• Link theory to application: From pH electrodes to catalytic gas sensors and biological interfaces, see how concepts are applied in real-world devices.
• Flexible learning: Use lectures individually or sequentially; perfect for classroom use, self-study, or outreach materials.

What You’ll Learn

Across ten lectures, you will explore:

1. What chemical sensors are and how they work
2. Molecular recognition and selectivity principles
3. Dynamic range, saturation, and sensor limits
4. The pH glass electrode and layered binding mechanisms
5. Electrochemical sensors, potentiometric and amperometric techniques
6. Ion-selective membranes and interface phenomena
7. Catalytic gas sensors and fuel cell applications
8. Piezoelectric and mass-based sensing
9. Conductimetric sensors and chemiresistors
10. Sensor systems and integration with biological interfaces

Each lecture is modular, print-ready, and suitable for remixing into study guides, handouts, or educational posts.

Start exploring the fascinating world of chemical sensing and see how molecules become measurable signals!

Begin with Lecture 1: What Is a Chemical Sensor? (15/05/2026)
Access the Full Lecture Here

Accessibility Notes

• All lecture materials are delivered as modular posts, with supporting links for clarity, rhythm-aware pacing, and neurodivergent-friendly engagement.
• All posts are freely available. Subscribe to receive new content directly in your inbox.
• Each set includes one consolidated PDF download, formatted for Word, email, and print compatibility via a £1 per lecture purchase at Payhip, with the final price depending on the number of lectures in the set.
• Feedback and remixing are always welcome. This archive is a communal act of care, repair, and scholarly generosity.

Support the Archive

This archive is freely shared as a communal act of care.

If you’d like to support its continuation, consider purchasing a companion PDF set for £1 per lecture, with an associated quiz, via Payhip, with the final price depending on the number of lectures in the set, available only once the full series is complete.

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