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Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

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Related Experiment Video

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Laser-Induced Fluorescence Emission L.I.F.E. as Novel Non-Invasive Tool for In-Situ Measurements of Biomarkers in Cryospheric Habitats

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A Compact LIF Spectrometer for in-Field Operation in Polar Environments.

Lorenzo Palombi¹, Valentina Raimondi¹

¹"Nello Carrara" Institute of Applied Physics-National Research Council, I-50019 Sesto Fiorentino, FI, Italy.

Sensors (Basel, Switzerland)

|April 3, 2021

Summary

This summary is machine-generated.

A new compact laser-induced fluorescence (LIF) spectrometer, SFIDA-405, was developed for polar field studies. This portable instrument successfully analyzed biological soil crusts in the Arctic and Antarctic.

Keywords:

biological soil crusts laser-induced fluorescence microorganisms polar environment spectrometer

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Area of Science:

Environmental science
Spectroscopy
Polar research

Background:

In-situ analysis of biological soil crusts in polar regions is challenging.
Existing spectroscopic instruments may not be suitable for harsh, remote environments.

Purpose of the Study:

To develop and test a compact, portable laser-induced fluorescence (LIF) spectrometer for in-field operation in polar environments.
To assess the instrument's capability for studying biological soil crusts.

Main Methods:

A novel compact LIF spectrometer (SFIDA-405) utilizing 405 nm excitation was designed.
The instrument features an optical-fiber coupled measurement head and operates on battery power (<1.6 kg).
Field campaigns in the Arctic and Antarctic were conducted for instrument validation.

Main Results:

The SFIDA-405 prototype demonstrated successful in-field operation in polar conditions.
It achieved a limit of detection for chlorophyll better than 5 ng/cm².
The first in-situ LIF spectra of Antarctic biological soil crusts were acquired.

Conclusions:

The SFIDA-405 is a viable, portable tool for in-situ spectroscopic analysis in extreme polar environments.
The instrument shows potential for diverse applications beyond biological soil crust studies.
This work represents a significant advancement in polar field spectroscopy.