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One of the most important tools for testing on-site is surface-enhanced Raman spectrometry (SERS). Due to their extremely complex chemical compositions, the possibility of unknown microorganisms, and the difficulty of directly obtaining spectra information from within the product, on-site safety evaluation of fish and meat products remains a significant challenge for the SERS.
Electrochemical nano etching of commercial Ag needles is the method that we present here for mass producing a novel type of SERS sensor. Due to its ultrahigh SERS sensitivity and rich surface nanostructures, the resulting SERS sensor is highly compatible with inexpensive portable Raman spectrometers for on-site detection.
These sensors can be inserted into products to read depth-profile information, such as from proteins, lipids, and purines, for example.
The novel sensor, in contrast to conventional insertable SERS sensors, has nano-carved plasmonic surface structures that are highly resistant to aggregation and materials loss, making it suitable for depth-profiling applications and significantly improving durability.
Interestingly, these sensors retain their high enhancement effect even after being repeatedly regenerated by acid rinsing. Using the novel sensors described here, early fish or meat spoilage can be detected instantly in a matter of minutes, demonstrating an appealing method for quick, low-cost, and convenient on-site food quality control.
The Global Insertable sensors market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
The Eversense implantable continuous glucose monitor (CGM), made by Maryland-based Senseonics, is now even more revolutionary and exciting. The Eversense E3 version, which can stay in the body for a full 6 months rather than needing to be surgically replaced every 90 days, was approved by the Food and Drug Administration (FDA), according to the company.
Traditional CGMs use an external sensor that is worn on the arm or abdomen to measure glucose through a tiny cannula (inbuilt plastic tube) that pierces the skin. An auto inserter device that comes with the system can be used to replace the sensor after it has been worn for about 7 to 10 days.
It’s a groundbreaking sensor that is inserted under the skin for several months as opposed to a few days. You do need to wear a transmitter over your skin at the location where the sensor is inserted in order to get readings; the transmitter is secured in place with a silicon-based adhesive backing. But you can simply apply this like a Band-Aid.
