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Related Concept Videos

iChip01:24

iChip

The cultivation of environmental microorganisms has long been hindered by the inability to replicate complex native conditions in vitro. The isolation chip (iChip) addresses this limitation by facilitating the growth of previously uncultivable microorganisms through in situ incubation. Designed for high-throughput microbial cultivation, the iChip comprises hundreds of microchambers, each capable of housing a single microbial cell. These microchambers are loaded with a mixture of molten agar and...

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A Lab-on-a-Chip Based Automatic Platform for Continuous Nitrites Sensing in Aquaculture.

Alexandro Catini1, Rosamaria Capuano1, Giuseppe Tancredi1

  • 1Department of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, Italy.

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|January 22, 2022
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A new automatic lab platform enables continuous monitoring of harmful compounds in aquaculture. This system uses a lab-on-a-chip for nitrite detection, ensuring safer fish farming conditions.

Keywords:
colorimetrylab-on-a-chipnitrites

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Area of Science:

  • Environmental Science
  • Analytical Chemistry
  • Biotechnology

Background:

  • Aquaculture requires continuous monitoring of harmful compounds due to high fish density, feeding, and environmental factors.
  • Existing chemical sensors face challenges in long-term, unattended deployments in aquatic environments.
  • Engineered automatic labs offer a solution by minimizing sample uptake and reagent use for reliable chemical assays.

Purpose of the Study:

  • To present a novel platform for automatic chemical assays in aquaculture.
  • To demonstrate the feasibility of unattended, continuous monitoring of harmful compounds.
  • To develop a cost-effective solution for maintaining water quality in fish farms.

Main Methods:

  • Development of a lab-on-a-chip platform for automated sample and reagent mixing.
  • Utilized the colorimetric Griess reaction for nitrite detection.
  • Employed low-cost optoelectronic components for measuring reaction product color.

Main Results:

  • Successfully demonstrated the automatic chemical assay platform.
  • Achieved a minimum detectable concentration of approximately 0.1 mg/L for nitrites.
  • The detected nitrite levels are below the tolerance limits for aquaculture farms.

Conclusions:

  • The developed automatic lab platform is feasible for continuous monitoring in aquaculture.
  • This technology can help prevent excessive concentrations of harmful compounds.
  • It offers a reliable and cost-effective solution for water quality management in fish farming.