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Nanotechnology

Breakthrough in Nanotechnology: Detection of Histamine in Marine Samples

Strategic Insights

— 1 min read

Researchers from the Chinese Academy of Sciences have made a significant discovery in the field of nanotechnology, developing a molecularly imprinted fluorescent (MI-FL) sensor that can detect histamine in complex marine samples with high accuracy. This breakthrough has important implications for food safety, public health, and regulatory compliance. The sensor, which uses silica nanoparticles and BODIPY, has been shown to exhibit a linear fluorescence response to histamine concentrations ranging from 0.004 to 0.9 mg/mL, with a low limit of detection of 0.002 mg/mL.

Key Takeaways:

  • The MI-FL sensor IBCP was developed using silica nanoparticles as the core and epoxysilane as a cross-linker to create highly specific recognition cavities through covalent imprinting after template removal.
  • The sensor demonstrated satisfactory recoveries of histamine ranging from 92.3 to 116.8% in various marine samples, including silvery pomfret, mantis shrimp, scallops, gazami crab, and seawater.
  • The accuracy and reliability of the method were further validated by comparison with commercial detection kits.
  • The research concluded that the Schiff-based MI-FL sensing study provides a universal method for histamine detection in complicated matrices.
  • The sensor was supported by the National Natural Science Foundation of China (NSFC) and the Natural Science Foundation of Shandong Province.

Statistics:

  • The sensor exhibited a linear fluorescence response to histamine concentrations ranging from 0.004 to 0.9 mg/mL.
  • The limit of detection of the sensor was 0.002 mg/mL.
  • The sensor demonstrated satisfactory recoveries of histamine ranging from 92.3 to 116.8% in various marine samples.
  • The relative standard deviations of the sensor were below 8.1%.
  • Comparison with commercial detection kits showed that the accuracy and reliability of the method was further validated.

Sources:

  • Molecularly Imprinted Fluorescent Sensor Based On Sio 2 Nanoparticles and Bodipy for Detection of Histamine In Marine Samples. ACS Applied Nano Materials, 2025.
  • NewsRx LLC. New Nanoparticles Findings from Chinese Academy of Sciences Described (Molecularly Imprinted Fluorescent Sensor Based On Sio 2 Nanoparticles and Bodipy for Detection of Histamine In Marine Samples). News of Science. June 29, 2025; p 1963.

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