By a simple two-step procedure, large photonic strain sensors using a biocompatible cellulose derivative are fabricated. Transient color shifts of the sensors are explained by a theoretical model that consideres the deformation of cholesteric domains, which is in agreement with the experimental results. The extremely simple fabrication method is suitable for both miniaturization and large-sale manufacture, taking advantage of inexpensive and sustainable materials
1 The effects of atropine, methylatropine and lachesine administered by ionophoresis were examined on responses of Renshaw cells to acetylcholine, acetyl-43-methylcholine, nicotine and DL-muscarine in cats anaesthetized with pentobarbitone or chloralose. 2 The antagonists were as effective in antagonizing excitation by nicotine as they were in antagonizing excitation by acetylcholine and were only slightly more effective in antagonizing excitation by acetyl-,3-methylcholine.
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