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Using vermiculite a clay used in potted planting, the researchers engineered a 2D membrane by slicing the mineral into ...
As the sample absorbs these waves, it vibrates the sodium ions connected to water molecules in the blood, creating ultrasound waves that are detected with an ultrasonic transducer. This technique, ...
Scientists have pioneered a new way to monitor sodium levels in the blood—without drawing a single drop. By combining terahertz radiation and optoacoustic detection, they created a non-invasive system ...