"The new sensors, measuring either 200 or 500 nanometers across, are significantly smaller than a human red blood cell, allowing for precise temperature measurements at the cellular level."
"The behavior of these quantum sensors relies on superpositions of quantum states, where electrons of the pentacene molecules occupy multiple states simultaneously, enhancing their sensitivity."
"By shining green lasers on the sensors, they glow red, while microwaves at specific frequencies can dim this glow, allowing researchers to infer temperature from the dimming frequency."
"The scientists introduced the sensors into cancer cells either by bathing them in solutions or injecting them directly into the nuclei, facilitating real-time temperature monitoring."
A new thermometer has been created to measure temperature at the level of individual living cells and their regions, such as the nucleus. This technology, based on molecular quantum nanosensors, offers a more consistent alternative to previous nanodiamond thermometers. The sensors, made from pentacene embedded in a crystal, are small enough to fit within cells. By using lasers and microwaves, researchers can determine temperature based on the sensors' glow, enabling detailed studies of cellular processes and reactions.
Read at Nature
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