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The medicine chest believed to have been used by Ogata Koan during his later years contains medicine bottles and other items. (Provided by Kyoko Takahashi)
OSAKA The mysterious contents of a sealed glass bottle used by a noted feudal-era doctor of Western medicine have been identified through muonic X-ray analysis.
With age, the medicine bottle that Ogata Koan (1810-1863) is thought to have used for his house calls and other purposes has become impossible to open.
But by using muons, a type of elementary particle that can pass through glass and other materials, researchers “saw through” the 3-millimeter-thick glass and confirmed that the white power inside the bottle is mercuric chloride. ....

Kyoko Takahashi , Museum Of Osaka University , Osaka University , Osaka University Faculty Of Medicine , Japan Proton Accelerator Research Complex , Ogata Koan , Edo Period , Natural Medicines , Sci Tech , Asahi Shimbun , அருங்காட்சியகம் ஆஃப் ஒசகக பல்கலைக்கழகம் , ஒசகக பல்கலைக்கழகம் , ஜப்பான் ப்ரோடாந் முடுக்குப்பொறி ஆராய்ச்சி சிக்கலான , எடோ காலம் , இயற்கை மருந்துகள் , அறிவியல் தொழில்நுட்பம் , ஆசாஹி ஶிஂபந் ,