Challenges in “probing spectroscopic probes” for noninvasive simultaneous disease diagnosis

Noninvasive diagnosis of human diseases relies on the detection of molecular markers (probes) in a painless manner. Although extrinsic and intrinsic molecular markers are often used, intrinsic disease probes (molecular markers) are preferable because they are naturally present in our body, and devia...

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Main Authors: Lopamudra Roy, Shweta Paul, Amrita Banerjee, Ria Ghosh, Susmita Mondal, Monojit Das, Nivedita Pan, Ishitri Das, Soumendra Singh, Debasish Bhattacharya, Asim Kumar Mallick, Samir Kumar Pal
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Chemistry
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Online Access:https://www.frontiersin.org/articles/10.3389/fchem.2024.1463273/full
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author Lopamudra Roy
Shweta Paul
Amrita Banerjee
Ria Ghosh
Susmita Mondal
Monojit Das
Monojit Das
Nivedita Pan
Ishitri Das
Soumendra Singh
Debasish Bhattacharya
Asim Kumar Mallick
Samir Kumar Pal
author_facet Lopamudra Roy
Shweta Paul
Amrita Banerjee
Ria Ghosh
Susmita Mondal
Monojit Das
Monojit Das
Nivedita Pan
Ishitri Das
Soumendra Singh
Debasish Bhattacharya
Asim Kumar Mallick
Samir Kumar Pal
author_sort Lopamudra Roy
collection DOAJ
description Noninvasive diagnosis of human diseases relies on the detection of molecular markers (probes) in a painless manner. Although extrinsic and intrinsic molecular markers are often used, intrinsic disease probes (molecular markers) are preferable because they are naturally present in our body, and deviation in their concentration from normal levels clearly indicates anomalies in human bodies, that is, diseases. In this study, we report noninvasive spectroscopic measurements of total haemoglobin (Hb), bilirubin, and the ratio of oxy- and deoxyhaemoglobin as disease markers for anaemia, jaundice, and oxygen deficiency, respectively, using a meticulously designed optical fibre probe. The challenges in designing the fibre probe for simultaneous noninvasive detection, including optical power, spectral density of the probing light, and resolution of the spectrometer, were found to be critical to accurate measurements. Finally, a fibre-less, highly portable, and low-cost prototype was developed and tested in human clinical trials for the diagnosis of diseases, and these results were compared with conventional techniques (blood tests).
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spelling doaj-art-a4c85f231ff345c5a4df467ad834bced2025-08-20T02:26:46ZengFrontiers Media S.A.Frontiers in Chemistry2296-26462025-01-011210.3389/fchem.2024.14632731463273Challenges in “probing spectroscopic probes” for noninvasive simultaneous disease diagnosisLopamudra Roy0Shweta Paul1Amrita Banerjee2Ria Ghosh3Susmita Mondal4Monojit Das5Monojit Das6Nivedita Pan7Ishitri Das8Soumendra Singh9Debasish Bhattacharya10Asim Kumar Mallick11Samir Kumar Pal12Department of Applied Optics and Photonics, University of Calcutta, Kolkata, IndiaDepartment of Paediatric Medicine, Nil Ratan Sircar Medical College and Hospital, Kolkata, IndiaDepartment of Physics, Jadavpur University, Kolkata, IndiaDepartment of Chemical and Biological Sciences, S. N. Bose National Centre for Basic Sciences, Kolkata, IndiaDepartment of Chemical and Biological Sciences, S. N. Bose National Centre for Basic Sciences, Kolkata, IndiaDepartment of Zoology, Vidyasagar University, Midnapore, IndiaDepartment of Zoology, Uluberia College, University of Calcutta, Howrah, IndiaDepartment of Chemical and Biological Sciences, S. N. Bose National Centre for Basic Sciences, Kolkata, IndiaDepartment of Paediatric Medicine, Nil Ratan Sircar Medical College and Hospital, Kolkata, IndiaDepartment of Chemical and Biological Sciences, S. N. Bose National Centre for Basic Sciences, Kolkata, IndiaDepartment of Gynecology and Obstetrics, Nil Ratan Sircar Medical College and Hospital, Kolkata, IndiaDepartment of Paediatric Medicine, Nil Ratan Sircar Medical College and Hospital, Kolkata, IndiaDepartment of Chemical and Biological Sciences, S. N. Bose National Centre for Basic Sciences, Kolkata, IndiaNoninvasive diagnosis of human diseases relies on the detection of molecular markers (probes) in a painless manner. Although extrinsic and intrinsic molecular markers are often used, intrinsic disease probes (molecular markers) are preferable because they are naturally present in our body, and deviation in their concentration from normal levels clearly indicates anomalies in human bodies, that is, diseases. In this study, we report noninvasive spectroscopic measurements of total haemoglobin (Hb), bilirubin, and the ratio of oxy- and deoxyhaemoglobin as disease markers for anaemia, jaundice, and oxygen deficiency, respectively, using a meticulously designed optical fibre probe. The challenges in designing the fibre probe for simultaneous noninvasive detection, including optical power, spectral density of the probing light, and resolution of the spectrometer, were found to be critical to accurate measurements. Finally, a fibre-less, highly portable, and low-cost prototype was developed and tested in human clinical trials for the diagnosis of diseases, and these results were compared with conventional techniques (blood tests).https://www.frontiersin.org/articles/10.3389/fchem.2024.1463273/fullnoninvasivehaemoglobinbilirubinoxygen saturationportablelow cost
spellingShingle Lopamudra Roy
Shweta Paul
Amrita Banerjee
Ria Ghosh
Susmita Mondal
Monojit Das
Monojit Das
Nivedita Pan
Ishitri Das
Soumendra Singh
Debasish Bhattacharya
Asim Kumar Mallick
Samir Kumar Pal
Challenges in “probing spectroscopic probes” for noninvasive simultaneous disease diagnosis
Frontiers in Chemistry
noninvasive
haemoglobin
bilirubin
oxygen saturation
portable
low cost
title Challenges in “probing spectroscopic probes” for noninvasive simultaneous disease diagnosis
title_full Challenges in “probing spectroscopic probes” for noninvasive simultaneous disease diagnosis
title_fullStr Challenges in “probing spectroscopic probes” for noninvasive simultaneous disease diagnosis
title_full_unstemmed Challenges in “probing spectroscopic probes” for noninvasive simultaneous disease diagnosis
title_short Challenges in “probing spectroscopic probes” for noninvasive simultaneous disease diagnosis
title_sort challenges in probing spectroscopic probes for noninvasive simultaneous disease diagnosis
topic noninvasive
haemoglobin
bilirubin
oxygen saturation
portable
low cost
url https://www.frontiersin.org/articles/10.3389/fchem.2024.1463273/full
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