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Biosensors, Chemical Sensors, and Sensing Technologies for Forensic Application

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Biosensors".

Deadline for manuscript submissions: 20 October 2024 | Viewed by 600

Special Issue Editor


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Guest Editor
Department of Environmental Toxicology, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA
Interests: vibrational spectroscopy; machine learning; forensic science; disease biomarkers

Special Issue Information

Dear Colleagues,

There is a high demand in forensic science of analytical methods that are rapid, easy-to-use, inexpensive, non-destructive with selective capabilities that would make them ideal for presumptive or confirmatory testing of forensic evidence. Advances in instrumentations, innovative algorithm development, proficient handling of large data, and computing resources are gaining momentum and despite the momentary limitations in forensic practical applications, it clearly endorses the recent developments of different sensors for future applications in the forensic field. In this special issue, we address all types of chemical sensors and biosensors designed specifically for detection and analysis of trace evidence.

Dr. Lenka Halámková
Guest Editor

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biosensor
  • chemical sensor
  • forensic evidence
  • detection
  • classification
  • analytical techniques

Published Papers (1 paper)

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Research

16 pages, 1763 KiB  
Article
Raman Spectroscopy for the Time since Deposition Estimation of a Menstrual Bloodstain
by Alexis Weber, Anna Wójtowicz, Renata Wietecha-Posłuszny and Igor K. Lednev
Sensors 2024, 24(11), 3262; https://doi.org/10.3390/s24113262 - 21 May 2024
Viewed by 213
Abstract
Forensic chemistry plays a crucial role in aiding law enforcement investigations by applying analytical techniques for the analysis of evidence. While bloodstains are frequently encountered at crime scenes, distinguishing between peripheral and menstrual bloodstains presents a challenge. This is due to their similar [...] Read more.
Forensic chemistry plays a crucial role in aiding law enforcement investigations by applying analytical techniques for the analysis of evidence. While bloodstains are frequently encountered at crime scenes, distinguishing between peripheral and menstrual bloodstains presents a challenge. This is due to their similar appearance post-drying. Raman spectroscopy has emerged as a promising technique capable of discriminating between the two types of bloodstains, offering invaluable probative information. Moreover, estimating the time since deposition (TSD) of bloodstains aids in crime scene reconstruction and prioritizing what evidence to collect. Despite extensive research focusing on TSD estimations, primarily in peripheral bloodstains, a crucial gap exists in determining the TSD of menstrual bloodstains. This study demonstrates how Raman spectroscopy effectively analyzes biological samples like menstrual blood, showing similar aging patterns to those of peripheral blood and provides proof-of-concept models for determining the TSD of menstrual blood. While this work shows promising results for creating a universal model for bloodstain age determination, further testing with more donors needs to be conducted before the implementation of this method into forensic practice. Full article
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