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Problems of Forensic Sciences

Differentiation of blue gel pens using visible spectroscopy coupled with chemometric techniques

Data publikacji: 26.03.2024

Problems of Forensic Sciences (Z Zagadnień Nauk Sądowych), 2023, 135, s. 255 - 268

https://doi.org/10.4467/12307483PFS.23.015.19431

Autorzy

,
Gurvinder Singh Bumbrah
Department of Chemistry, Biochemistry and Forensic Science, Amity School of Applied Sciences, Amity Education Valley, Amity University, Gurugram (Manesar), Haryana, Indie
Department of Forensic Science, Punjabi University, Patiala, Punjab, India
https://orcid.org/0000-0003-1169-9112 Orcid
Wszystkie publikacje autora →
,
Naveen Dhull
Department of Chemistry, Biochemistry and Forensic Science, Amity School of Applied Sciences, Amity Education Valley, Amity University, Gurugram (Manesar), Haryana, Indie
Wszystkie publikacje autora →
,
Devidas S. Bhagat
Department of Forensic Chemistry and Toxicology, Government Institute of Forensic Science, Aurangabad, MS India
Wszystkie publikacje autora →
Pooja A. Chawla
University Institute of Pharmaceutical Sciences and Research, Baba Farid University of Health Sciences, Faridkot, Punjab, Indie
Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy, Moga, Punjab, Indie
Wszystkie publikacje autora →

Abstrakt

Ink analysis is one of the most important and keydimension of forensic document examination (FDE). It is performed to compare, identify, characterize and discriminate different kinds of inks present on questioned document. It becomes key evidence in forensic document examination. In the present work, thirty-eight blue gel pens are discriminated using visible spectroscopy coupled with chemometric techniques. The recorded spectra were visually compared followed by chemometric techniques of principal component analysis (PCA) and linear discriminant analysis (LDA). Discriminating power for visual comparison, PCA and LDA are 58.18%, 100% and 100% respectively. Developed PCA model is validated and 100% accuracy, precision, sensitivity and specificity are achieved. Blue gel pen inks were 100% correctly differentiated on the basis of their brands using PCA followed by LDA. The utilized approach is fast and provides reproducible results. The results of present work demonstrate that potential utility of conventional and cost-effective visible spectroscopy can be improved by coupling it with these chemometric techniques. Major advantage of present research is the minimum damage caused to document. This study establishes a method which provides proof of concept discrimination of the gel pen samples. The methodology adopted in present work can be applied in the alteration cases in examination of suspected documents. 

Bibliografia

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Informacje

Informacje: Problems of Forensic Sciences (Z Zagadnień Nauk Sądowych), 2023, s. 255 - 268

Typ artykułu: Oryginalny artykuł naukowy

Tytuły:

Angielski:

Differentiation of blue gel pens using visible spectroscopy coupled with chemometric techniques

Autorzy

https://orcid.org/0000-0003-1169-9112

Gurvinder Singh Bumbrah
Department of Chemistry, Biochemistry and Forensic Science, Amity School of Applied Sciences, Amity Education Valley, Amity University, Gurugram (Manesar), Haryana, Indie
Department of Forensic Science, Punjabi University, Patiala, Punjab, India
https://orcid.org/0000-0003-1169-9112 Orcid
Wszystkie publikacje autora →

Department of Chemistry, Biochemistry and Forensic Science, Amity School of Applied Sciences, Amity Education Valley, Amity University, Gurugram (Manesar), Haryana, Indie

Department of Forensic Science, Punjabi University, Patiala, Punjab, India

Department of Chemistry, Biochemistry and Forensic Science, Amity School of Applied Sciences, Amity Education Valley, Amity University, Gurugram (Manesar), Haryana, Indie

Department of Forensic Chemistry and Toxicology, Government Institute of Forensic Science, Aurangabad, MS India

University Institute of Pharmaceutical Sciences and Research, Baba Farid University of Health Sciences, Faridkot, Punjab, Indie

Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy, Moga, Punjab, Indie

Publikacja: 26.03.2024

Otrzymano: 05.05.2023

Zaakceptowano: 25.09.2023

Status artykułu: Otwarte __T_UNLOCK

Licencja: CC BY-NC-ND  ikona licencji

Udział procentowy autorów:

Gurvinder Singh Bumbrah (Autor) - 25%
Naveen Dhull (Autor) - 25%
Devidas S. Bhagat (Autor) - 25%
Pooja A. Chawla (Autor) - 25%

Korekty artykułu:

-

Języki publikacji:

Angielski, Polski

Liczba wyświetleń: 95

Liczba pobrań: 96

Sugerowane cytowania: Vancouver

Bumbrah G, Dhull N, Bhagat D, Chawla P.

Differentiation of blue gel pens using visible spectroscopy coupled with chemometric techniques

. Problems of Forensic Sciences (Z Zagadnień Nauk Sądowych). 2024;2023 (135): 255-268