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Infrared (IR) Spectroscopy: Overview

Infrared (IR) Spectroscopy: Overview

When electromagnetic radiation passes through a material, atoms or molecules transition from a lower to a higher energy state by absorbing radiation corresponding to the energy difference between the two states. The absorption of infrared (IR) radiation causes transitions between vibrational energy levels in a molecule. Therefore, IR spectroscopy is a useful analytical tool for determining the molecular structure of molecules.
Different compounds display unique properties due to their...

Applications of IR Spectroscopy: Overview

Applications of IR Spectroscopy: Overview

The non-destructive nature and ability to provide valuable chemical information make IR spectroscopy a versatile technique with broad applications in various scientific and industrial fields. IR spectroscopy is commonly used to identify and characterize organic and inorganic compounds. It provides information about the functional groups present in a molecule and the bonding between atoms. This helps in the structural elucidation of compounds during organic synthesis, pharmaceutical research,...

Attenuated Total Reflectance (ATR) Infrared Spectroscopy: Overview

Attenuated Total Reflectance (ATR) Infrared Spectroscopy: Overview

Attenuated total reflectance (ATR) infrared spectroscopy is a powerful analytical technique used to study the composition of materials. It is widely employed in chemistry, materials science, forensic science, and other fields where sample characterization is required. ATR has several advantages over traditional transmission IR spectroscopy, including the requirement of little to no sample preparation and the ability to analyze a wide range of samples.
The ATR process begins by directing a beam...

IR Spectrometers

IR Spectrometers

There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...

Thermosensation

Thermosensation

Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...

Absorption of Radiation

Absorption of Radiation

The rate of heat transfer by emitted radiation is described by the Stefan-Boltzmann law of radiation:

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Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

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Published on: May 15, 2017

[Remote infrared thermography: achievements, current potentials, and perspectives].

L G Rozenfel'd, V F Machulin, E F Venger

Likars'Ka Sprava

|April 18, 2008

Summary

Remote infrared thermography, a harmless diagnostic tool, is being re-evaluated for medical use in Ukraine. New domestic thermographs with advanced features enhance its application for patient state diagnosis.

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Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

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Area of Science:

Medical diagnostics
Biomedical engineering
Thermography

Context:

Remote infrared thermography (RIT) has potential applications in Ukrainian medical practice.
The advent of domestic thermographs with matrix photoreceivers has expanded the scope of RIT.
Previous RIT applications may have been limited by technological constraints.

Purpose:

To present results on the utilization of RIT in Ukrainian medical settings.
To highlight the advancements in thermographic technology and their impact on medical diagnostics.
To advocate for the renewed adoption of RIT in clinical practice.

Summary:

The study details the application of remote infrared thermography in Ukraine.
New domestic thermographs featuring matrix photoreceivers significantly broaden the utility of this technology.
Novel findings regarding patient state diagnosis using RIT have been achieved.
The method is non-invasive, simple to perform, and suitable for repeated measurements during treatment.
High-temperature sensitivity in new thermograph models further enhances diagnostic capabilities.

Impact:

Recommends the renewed implementation of remote infrared thermography in Ukrainian healthcare.
Suggests RIT as a valuable, non-invasive tool for continuous patient monitoring and diagnosis.
Highlights the potential for improved patient outcomes through advanced thermographic diagnostics.