scispace - formally typeset
Search or ask a question
Author

G.S. Uthayakumar

Bio: G.S. Uthayakumar is an academic researcher from St. Joseph's College of Engineering. The author has contributed to research in topics: Computer science & Fourier transform. The author has an hindex of 2, co-authored 3 publications receiving 6 citations.

Papers
More filters
Journal ArticleDOI
TL;DR: The spectral bio-diagnosis of normal human body saliva sample shows the following functional compounds and it is related to various proteins and enzymes as mentioned in this paper : the hydroxyl group is observed in the form of O-H at 3,305 cm−1, because of the presence of lipids, the functional group C-H is obtained from 2,928 to 2,856 cm− 1, due to the presence amide-I in the forms of C=N and C=C obtained at 1,658 cm−2, the proteins are exhibited.
Abstract: The spectral bio-diagnosis of normal human body saliva sample shows the following functional compounds and it is related to various proteins and enzymes. Because of the presence of water in the saliva sample, the hydroxyl group is observed in the form of O–H at 3,305 cm−1, because of the presence of lipids, the functional group C–H is obtained from 2,928 to 2,856 cm−1, due to the presence of amide-I in the form of C=N and C=C obtained at 1,658 cm−1, the proteins are exhibited. Due to the presence of aliphatic CH2, the Lipids, Adenine, Cytosine, Collagen are observed at 1,455 cm−1, because of the presence of Carbohydrates, Phospholipids, Nucleic acids, the functional groups C=O and P=O from 1,159 to 1,064 cm−1 are exhibited. Due to the presence of Phenylalanine, Tyrosine, Cystine and Hydroxyapatite C–C twist, C–C stretch, C–S stretch and PO42− are observed at 748 and 483 cm−1. Silver nanoparticle has attracted considerable interest due to their extensive applicability in various areas such as electronics, catalysis, chemistry, energy and medicine. To study the opto-electronics properties of the samples, it was mixed with silver nanoparticles and characterized.

5 citations

Journal ArticleDOI
TL;DR: In this paper, the biomedical optical analytical techniques such as ultra-violet spectroscopy, Fourier transform infrared spectrograms, and Fourier Transform-Raman spectrographs are used to characterise and quantise the medicinal drugs.
Abstract: In this research paper, the biomedical optical analytical techniques such as ultra-violet spectroscopy, Fourier transform infrared spectroscopy and Fourier transform-Raman spectroscopy are used to characterise and quantise the medicinal drugs. The hydroxyl group and methyl group was assigned to the wave numbers 3230.67 cm–1 and 2928.50 cm–1. The functional groups are also identified –N=C=O, –N=C=S, –N=C=N–, –N3 at 4.67 µm. The CH, CH2, and CH3 three bands with strong intensity are assigned to the wave numbers 2985 cm–1 to 2850 cm–1. The FT-Raman spectra is obtained for the blue sample, the functional group C≡C is assigned to the wave number 2129.84 to 2191.41 cm–1. The wave numbers 2558.71–2620.73 cm–1 are obtained for the functional bond –S–H. The wave number 1610.95 cm–1 is obtained for the C=N functional group. In this paper one sample namely Fibril-SF is taken by a patient and his Saliva sample is collected for Fourier Transform Infrared spectroscopy test to analyse the reaction of drugs with human body tissues.

2 citations

Journal ArticleDOI
TL;DR: In this article, a prototype power supply for nano biomedical applications in existing hospital industry is designed using a novel technique using silver nano particles to impregnate on the collagen sheet, deposited on electrode by electrodepositing method, it produces constant DC power supply voltage of 12 volts or 9 volts for biomedical diagnostic applications.
Abstract: This paper aims designing prototype power supply for Nano biomedical applications in existing hospital industry. So far only the power supplies are designed using more number of passive components such as resistors, capacitors and inductors. But we have introduced a novel technique using silver nano particles to impregnate on the collagen sheet, deposited on electrode by electrodepositing method, it produces constant DC power supply voltage of 12 volts or 9 volts for biomedical diagnostic applications. Fourier Transform Infrared Spectroscopy spectrum of chitosan-hydroxyapatite composite film shows the characteristic peaks of chitosan and hydroxyapatite. The free ammonia groups are shown at 1637 cm -1 .The -CH 2 -CH 2 -vibration were observed at 2920 cm -1 .
DOI
10 Dec 2022
TL;DR: In this article , the authors proposed a method to save energy by forecasting missing node values in an IoT-based wireless sensor network (WSN) to avoid CH-to-sink data loss.
Abstract: Energy distribution is vital in an IoT-based Wireless Sensor Network (WSN).There is no other fuel source for WSN since they deal with battery systems. This means that when the battery runs out, they have no option except to replace it on a regular basis, which isn't always possible. Information may be lost during transmission as another problem with WSNs. Despite the fact that information disasters are rare, it remains a constant threat. The greatest danger lies in a loss of data. B) CH-to-sink data lost. This article saves energy by forecasting missing node values.
Journal ArticleDOI
TL;DR: In this article , a variety of group-based communication protocols for energy conservation, which vary depending on their use, are presented, are compared and the best suited protocol should be chosen.

Cited by
More filters
Journal ArticleDOI
TL;DR: A cost effective and eco-friendly technique for green synthesis of silver nanoparticles from 1 mM AgNO3 solution through the extract of dried fig (Ficus carica L.) fruit as reducing as well as capping agent is described.

55 citations

Journal ArticleDOI
TL;DR: In this article, the use of Raman spectroscopy combined with saliva is presented as an exciting emerging spectroscopic-biofluid combination, and a review of current methods employed in such studies is presented.
Abstract: The use of Raman spectroscopy combined with saliva is an exciting emerging spectroscopy-biofluid combination. In this review, we summarize current methods employed in such studies, in particular th...

21 citations

Journal ArticleDOI
22 Jun 2020
TL;DR: Evidence is provided for eco-friendly biosynthesis of well-characterized AgNPs and their potential antibacterial as well as antifungal activity and effective antif fungus activity was observed towards pathogenic Candida spp.
Abstract: The present study described the extracellular synthesis of silver nanoparticles (AgNPs) using environmental bacterial isolate Citrobacter spp MS5 culture supernatant To our best knowledge, no previous study reported the biosynthesis of AgNPs using this bacterial isolate The biosynthesized AgNPs were characterized using different techniques like UV-Vis spectroscopy, fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM) equipped with energy dispersive X-ray (EDX) The analysis of UV-Vis spectra revealed absorption maxima at 415 nm due to surface plasmon resonance (SPR) indicated the formation of AgNPs and FTIR spectrum confirmed the participation of proteins molecule in AgNPs synthesis XRD and EDX spectrum confirmed the metallic and crystalline nature of AgNPs TEM and SEM showed spherical nanoparticles with a size range of 5-15 nm The biosynthesized AgNPs showed effective independent as well as enhanced combined antibacterial activity against extended spectrum β-lactamase (ESBL) producing multidrug resistant Gram-negative bacteria Further, effective antifungal activity of AgNPs was observed towards pathogenic Candida spp The present study provides evidence for eco-friendly biosynthesis of well-characterized AgNPs and their potential antibacterial as well as antifungal activity

13 citations

Journal ArticleDOI
TL;DR: The spectral bio-diagnosis of normal human body saliva sample shows the following functional compounds and it is related to various proteins and enzymes as mentioned in this paper : the hydroxyl group is observed in the form of O-H at 3,305 cm−1, because of the presence of lipids, the functional group C-H is obtained from 2,928 to 2,856 cm− 1, due to the presence amide-I in the forms of C=N and C=C obtained at 1,658 cm−2, the proteins are exhibited.
Abstract: The spectral bio-diagnosis of normal human body saliva sample shows the following functional compounds and it is related to various proteins and enzymes. Because of the presence of water in the saliva sample, the hydroxyl group is observed in the form of O–H at 3,305 cm−1, because of the presence of lipids, the functional group C–H is obtained from 2,928 to 2,856 cm−1, due to the presence of amide-I in the form of C=N and C=C obtained at 1,658 cm−1, the proteins are exhibited. Due to the presence of aliphatic CH2, the Lipids, Adenine, Cytosine, Collagen are observed at 1,455 cm−1, because of the presence of Carbohydrates, Phospholipids, Nucleic acids, the functional groups C=O and P=O from 1,159 to 1,064 cm−1 are exhibited. Due to the presence of Phenylalanine, Tyrosine, Cystine and Hydroxyapatite C–C twist, C–C stretch, C–S stretch and PO42− are observed at 748 and 483 cm−1. Silver nanoparticle has attracted considerable interest due to their extensive applicability in various areas such as electronics, catalysis, chemistry, energy and medicine. To study the opto-electronics properties of the samples, it was mixed with silver nanoparticles and characterized.

5 citations

Journal ArticleDOI
TL;DR: This study was the first-step in developing a deflection feedback controlled surgical instrument in the needle-assisted percutaneous operation and provided understanding on the mechanics of needle insertion.
Abstract: Needle insertion for minimally-invasive surgery is a technique explored and studied for percutaneous procedure, diagnosis, localised therapeutic drug-delivery, and biopsy. While the instruments and techniques determine the success of every surgical procedure, minimal attention was given to the medium, interaction between tissue and needle, development tools and surgical techniques. This paper addresses the interaction by studying the needle deflection during insertion into porcine back tissue and simulated flesh-like tissue (gelatine). A customised testing set-up measures and quantifies these interactions. Needle deflection magnitude and insertion forces were measured and correlated to define the bio-mechanical properties of back abdomen tissue. Needle deflections were measured for gelatine analogues developed to model consistency of the tissues in the back lumbar region. Mathematical two-dimensional (2D) force-model was developed to provide understanding on the mechanics of needle insertion. This study was the first-step in developing a deflection feedback controlled surgical instrument in the needle-assisted percutaneous operation.

1 citations