Methods and systems for the synthesis of ultrabright fluorescent silica particles capable of measuring temperature
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United States of America Patent
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Jul 11, 2017
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Aug 19, 2013
filing date -
Aug 17, 2012
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Abstract
Ultrabright fluorescent silica particles that can take stable temperature measurements, and methods of their manufacture. The particles have encapsulated fluorescent substances, some of which can exhibit altering fluorescent characteristics depending on temperature. The particles function as a thermometer allowing one to measure the temperature of the environment. A ratio of the fluorescent peaks in the fluorescent spectrum of each particle depends on temperature, but is dependent on neither the amount of exciting light nor the size of the particles. Further, the particle size can be confined to the range of 8 nm to 100 μm.
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