1
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Chen H, Tian L, Sun X, Ma R, Zhang M. New Horizons for Estimating the Time Since Deposition of Fingermarks: Combining Label-Free Physical Visualization and Electrochemical Characterization. Anal Chem 2023; 95:889-897. [PMID: 36537841 DOI: 10.1021/acs.analchem.2c03427] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The time since deposition (TSD) of latent fingermarks (LFMs) serves as "witnesses" for crime scene reconstructions. Nevertheless, existing TSD prediction approaches focused on either physical or chemical aging parameters leading to inaccurate estimation. A novel label-free protocol has been developed, where both physical ridge patterns and lipid oxide (LipOx) degradation kinetics are realized using optical microscopy and scanning electrochemical microscopy (SECM) and combined for TSD prediction. Specifically, the surface interrogation (SI)-SECM titration was utilized to monitor the LipOx degradation in LFM arrays aligned by hole array masks, through which we derived the LipOx degradation function. After establishing the relationship between several titration parameters and titrated area by experimental and numerical simulation methods, the titrated area could be reasonably estimated and subsequently used to calculate the surface coverage of LipOx. Results demonstrated that the tip transient revealed the LipOx coverage of deposited LFMs. Notably, LipOx coverage was found to increase during the first day and then decrease over time, whose degradation rate was susceptible to light. Thus, TSD candidates of an LFM could be limited to two values through the established function. Due to the nonmonotonic trend of LipOx aging, a physical parameter "the gray value ratio (GVR) of furrows to ridges" was proposed to exclude irrelevant TSD through support vector machine (SVM) classification. Ultimately, we predicted TSDs of seven LFMs with estimation errors of 2.2-26.8%. Overall, our strategy, with the outperformed capability of gleaning physical and electrochemical information on LFMs, can provide a truly label-free way of studying LFMs and hold great promise for multidimensional fingerprint information analysis.
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Affiliation(s)
- Hongyu Chen
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Beijing100083, China
| | - Lu Tian
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Beijing100083, China
| | - Xiangyu Sun
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Beijing100083, China
| | - Rongliang Ma
- Ministry of Public Security, Institute of Forensic Science, Beijing100038, China
| | - Meiqin Zhang
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Beijing100083, China
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2
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Paulson A, Lee YJ. Novel Ambient Oxidation Trends in Fingerprint Aging Discovered by Kendrick Mass Defect Analysis. ACS CENTRAL SCIENCE 2022; 8:1328-1335. [PMID: 36188339 PMCID: PMC9523776 DOI: 10.1021/acscentsci.2c00408] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Indexed: 06/16/2023]
Abstract
A Kendrick mass defect (KMD) plot is an efficient way to disperse complex high-resolution mass spectral data in a visually informative two-dimensional format which allows for the rapid assignment of compound classes that differ by heteroatom content and/or unsaturation. Fingerprint lipid oxidation has the potential to be used to estimate the time since deposition of a fingerprint, but the mass spectra become extremely complex as the lipids degrade. We apply KMD plot analysis for the first time to sebaceous fingerprints aged for 0-7 days to characterize lipid degradation processes analyzed by MALDI-MS. In addition to the ambient ozonolysis of fingerprint lipids previously reported, we observed unique spectral features associated with epoxides and medium chain fatty acid degradation products that are correlated with fingerprint age. We propose an ambient epoxidation mechanism via a peroxyl radical intermediate and the prevalence of omega-10 fatty acyl chains in fingerprint lipids to explain the features observed by the KMD plot analysis. Our hypotheses are supported by an aging experiment performed in a sparse ozone condition and on-surface Paternò-Büchi reaction. A comprehensive understanding of fingerprint degradation processes, afforded by the KMD plots, provides crucial insights for considering which ions to monitor and which to avoid, when creating a robust model for time since deposition of fingerprints.
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3
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Shi M, Zhao L, Chen H, Tian L, Ma R, Zhang X, Zhang M. Fast and quantitative analysis of level 3 details for latent fingerprints. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:5564-5572. [PMID: 34780584 DOI: 10.1039/d1ay01508g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Level 3 details play essential roles in practical latent fingerprint (LFP) identification. To reliably extract reproducible and identifiable level 3 features, high-resolution images of fingerprints with adequate quality are required. Conventional methods for acquiring level 3 details often involve specific pretreatment, intricate peripheral, leading to time-consuming analysis. Herein, we simply used water to develop the sebaceous LFPs deposited on nitrocellulose (NC) membranes with only one step, and then the high-resolution (2048 pixels per inch) optical micrographs were captured to reflect the live fingertip with high fidelity. From the pictures, level 3 features, including all dimensional attributes of the ridges and pores such as number, size, location, shape, and edge contour can be extracted accurately and reproducibly. Among them, qualitative features (the structures of ridge edges) and several quantitative characteristics (the number and the relative location of sweat pores) exhibit good reproducibility. Remarkably, we proposed a new parameter termed "frequency distribution of the distance between adjacent sweat pores", short form "FDDasp", which was further proved highly identifiable in different individuals, enabling the successful distinguishment between two fragmentary fingerprints with similar level 2 structures. We believe that this methodology provides a fast and quantitative analytical paradigm for latent fingerprint identification at level 3 details.
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Affiliation(s)
- Mi Shi
- University of Science and Technology, Beijing School of Chemistry and Biological Engineering, China.
| | | | - Hongyu Chen
- University of Science and Technology, Beijing School of Chemistry and Biological Engineering, China.
| | - Lu Tian
- University of Science and Technology, Beijing School of Chemistry and Biological Engineering, China.
| | - Rongliang Ma
- Institute of Forensic Science, Ministry of Public Security, China.
| | - Xueji Zhang
- School of Biomedical Engineering, Health Science Centre, China.
| | - Meiqin Zhang
- University of Science and Technology, Beijing School of Chemistry and Biological Engineering, China.
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4
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Tuccitto N, Bombace A, Auditore A, Valenti A, Torrisi A, Capizzi G, Licciardello A. Revealing Contamination and Sequence of Overlapping Fingerprints by Unsupervised Treatment of a Hyperspectral Secondary Ion Mass Spectrometry Dataset. Anal Chem 2021; 93:14099-14105. [PMID: 34645262 PMCID: PMC8552212 DOI: 10.1021/acs.analchem.1c01981] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
Time-of-flight secondary
ion mass spectrometry (ToF-SIMS) has been
successfully applied for chemical imaging of overlapping fingermarks.
The resulting big dataset has been treated by means of an unsupervised
machine learning approach based on uniform manifold approximation
and projection. The hyperspectral matrix was composed of 49 million
pixels associated with 518 peaks. However, the single-pixel spectrum
results in a very poor signal intensity, mostly like a barcode. Contrary
to what has been reported in the literature recently, we have not
applied a crude approach based on binning but a sophisticated machine
learning method capable of separating the chemical signals of the
two fingerprints from each other and from the substrate in which they
were impressed. Moreover, using ToF-SIMS, an extremely surface-sensitive
technique, the sequence of deposition of the fingerprints has been
determined.
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Affiliation(s)
- Nunzio Tuccitto
- Consorzio per lo Sviluppo dei Sistemi a Grande Interfase, CSGI, Viale A. Doria 6, 95125 Catania, Italy.,Department of Chemical Sciences, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Alessandra Bombace
- Department of Chemical Sciences, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Alessandro Auditore
- Department of Chemical Sciences, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Andrea Valenti
- Consorzio per lo Sviluppo dei Sistemi a Grande Interfase, CSGI, Viale A. Doria 6, 95125 Catania, Italy
| | - Alberto Torrisi
- Department of Chemical Sciences, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Giacomo Capizzi
- Electrical, Electronic and Computer Engineering, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Antonino Licciardello
- Consorzio per lo Sviluppo dei Sistemi a Grande Interfase, CSGI, Viale A. Doria 6, 95125 Catania, Italy.,Department of Chemical Sciences, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy
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5
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Brunelle E, Eldridge M, Halámek J. Determination of Time since Deposition of Fingerprints via Colorimetric Assays. ACS OMEGA 2021; 6:12898-12903. [PMID: 34056441 PMCID: PMC8154226 DOI: 10.1021/acsomega.1c01344] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 04/26/2021] [Indexed: 05/16/2023]
Abstract
Past investigations involving fingerprints have revolved heavily around the image of the fingerprint-including the minutiae, scarring, and other distinguishing features-to visually find a match to its originator. Recently, it has been proven that the biochemical composition can be used to determine originator attributes, such as sex, via chemical and enzymatic cascades. While this provides pertinent information about the originator's identity, it is not the only piece of information that can be provided. This research was designed with three goals in mind: (1) identify how long it would take before an aged female fingerprint could no longer be differentiated from a male fingerprint, (2) identify a correlation between the data collected and a specific time since deposition (TSD) time point, and (3) identify if a specific amino acid could be contributing to the decreasing response seen for the aging fingerprints. Using ultraviolet-visible (UV-vis) spectroscopy, aged fingerprints were evaluated over the course of 12 weeks via three chemical assays previously used for fingerprint analysis-the ninhydrin assay, the Bradford assay, and the Sakaguchi assay. As fingerprints age, the conditions they are exposed to cause the biochemical composition to decompose. As this occurs, there is less available to be detected by analytical means. This results in a less intense color production and, thus, a lower measured absorbance. The results displayed here afforded the ability to conclude that all three goals set forth for this research were accomplished-a female fingerprint can be differentiated from a male fingerprint for at least 12 weeks, UV-vis data collected from aged fingerprints can be correlated to a TSD range but not necessarily a specific time point, and the decomposition of at least a single amino acid can afford the ability to estimate the TSD of the fingerprint.
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6
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Czech A, Szabelak A, Sowiński A, Wlazło Ł, Pawlicka-Beck A. The impact of time, environmental conditions, and sex on the degradation of bloody fingerprints on a glass surface. J Forensic Sci 2021; 66:1300-1306. [PMID: 33847372 DOI: 10.1111/1556-4029.14688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/29/2020] [Accepted: 01/25/2021] [Indexed: 11/30/2022]
Abstract
Dactyloscopy is the branch of forensics that deals with identifying individuals by analyzing the configurations of the friction ridges on the fingertips. The persistence and degradation of fingerprints depends on such factors as the individual's sex and BMI (body mass index) and the duration and conditions of their preservation. There is a great deal of information on how the passage of time affects the image of fingerprints composed of sebum and sweat, but little knowledge concerning the preservation of bloody fingerprints. The aim of the study was to determine the effect of sex, the state of the blood forming the print (dry vs. fresh), environmental factors (room vs. outdoor conditions), and time on the width of friction ridge impressions in fingerprints. Fingerprints made with fresh blood were found to persist longest, while prints left by women and exposed to outdoor conditions degraded most rapidly. The ambient temperature also had a significant effect on the width of friction ridge impressions and their degradation.
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Affiliation(s)
- Anna Czech
- Department of Biochemistry and Toxicology, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Lublin, Poland
| | - Aleksandra Szabelak
- Department of Biochemistry and Toxicology, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Lublin, Poland
| | - Artur Sowiński
- Forensic Laboratory of the Voivodeship Police Headquarters in Lublin, Lublin, Poland
| | - Łukasz Wlazło
- Department of Biochemistry and Toxicology, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Lublin, Poland
| | - Arleta Pawlicka-Beck
- Department of Biochemistry and Toxicology, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Lublin, Poland
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7
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Muramoto S, Osborn W, Gillen G. Visualizing shed skin cells in fingerprint residue using dark-field microscopy. J Forensic Sci 2021; 66:1257-1266. [PMID: 33760258 DOI: 10.1111/1556-4029.14707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 03/01/2021] [Accepted: 03/05/2021] [Indexed: 12/01/2022]
Abstract
This proof-of-concept study shows that dark-field microscopy provides sufficient contrast for cell visualization in fingerprints with high sebum content. Although the application is limited to smooth surfaces that do not scatter light, such as polyethylene terephthalate (PET), it was able to measure the number of cells deposited within a fingerprint residue and the reduction in cell transfer with repeated skin contact. On a PET surface, at roughly 5 N of contact force, a typical finger transfers several hundred cells onto the surface. Over subsequent finger contacts onto a clean PET surface, this number decreased exponentially until a steady state was reached, which is characterized by the transfer of (78 ± 36) cells or (0.46 ± 0.21) cells/mm2 when normalized for fingerprint area. High uncertainty in cell transfer was due to: the highly variable nature of a human finger (where the number of loose cells varies from person to person and from day to day depending on what they touch) and difficulties in controlling the contact force and finger movement such as twisting during deposition (where twisting of the finger can expose a new patch of skin to the substrate, increasing the number of cell transfer). Plasma etching was also explored as an effective way to validate dark-field microscopy for cell counting. Although limited to inorganic substrates due to etching effects, exposing the fingerprint for less than 10 min can remove a majority of the sebum while keeping the cells intact for a before-and-after comparison using light microscopy.
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Affiliation(s)
- Shin Muramoto
- National Institute of Standards and Technology, Gaithersburg, MD, 20895, USA
| | - William Osborn
- National Institute of Standards and Technology, Gaithersburg, MD, 20895, USA
| | - Greg Gillen
- National Institute of Standards and Technology, Gaithersburg, MD, 20895, USA
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8
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Abstract
Fingermarks have long been recognized as one of the most reliable and valuable evidence for personal identification. In practice, fingerprint analysis primarily concentrates on latent fingerprint visualization. However, fingerprint visualization techniques do not always enable individualization when fingermarks collected in crime scenes are fragmentary, ambiguous, or deformed. Age determination techniques based on physical and chemical composition changes in fingerprints over time have attracted researchers' attention in recent years. Nevertheless, the components of fingerprints are liable to factors including donor features, deposition conditions, substrate properties, environmental conditions and revealing methods. All the influences mainly contribute to unreliable outcomes of age estimation. Recent developments in fingermark age determination have moved forward to more precise approaches. The advanced methods can be classified into two categories including techniques based on the modifications of physical characteristics and chemical composition characteristics. Herein, the review includes the five types of variables that influence the aging process. The methodologies are subsequently highlighted along with their advantages and disadvantages. Furthermore, photography, optical, microscopy and electrochemical methods, and vibrational spectroscopy and mass spectrometry (MS) techniques are summarized in detail, with an emphasis on their utilization.
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Affiliation(s)
- Hongyu Chen
- Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
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9
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LI WJ, SUN LH, YOU W, WANG LX, ZHAO YB, LI ZP. Chemical Imaging of Fingerprint on RMB Banknotes Using Time-of-Flight Secondary Ion Mass Spectrometry. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2020. [DOI: 10.1016/s1872-2040(20)60059-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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10
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Erdoğan A, Esen M, Simpson R. Chemical Imaging of Human Fingermark by X-ray Photoelectron Spectroscopy (XPS). J Forensic Sci 2020; 65:1730-1735. [PMID: 32569433 DOI: 10.1111/1556-4029.14483] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 05/12/2020] [Accepted: 05/26/2020] [Indexed: 11/29/2022]
Abstract
X-ray photoelectron spectroscopy (XPS) is a widely used technique to characterize the surface chemistry of materials. It plays a crucial role in accessing qualitative and quantitative information and in detecting the presence of chemical functional groups on the surface of any material. The forensic methods available to detect and identify elements and organic/inorganic compounds are often destructive, so evidence cannot be re-analyzed. However, XPS allows rapid analysis of samples without damaging them. Recently, an increasing number of forensic researchers have begun to study certain chemical information on fingermarks. In this study, the authors aimed to present the applicability and power of XPS imaging in fingermark analysis which can also provide specific information about the fingermark chemical composition. Herein, monochromated X-ray (Al Kα) spot size was fixed at 50 μm. XPS mapping resulted in the acquisition of spectra at each pixel, in an array of 41 × 30 pixels with a step size of 50 μm. Then, a simple discussion has been made about how the scanned surface spectrum and basic snapshot spectra are used to identify different components at a fingertip of a scanned surface area (~3 mm2 ). Hence, a fingermark pattern contaminated with caffeine, TiO2 , and Pb/PbO deposited on the silicon wafer can be chemically mapped and visualized by XPS using principal component analysis (PCA). Thus, the present study showed the possible applicability of XPS for the identification of illicit drugs of abuse, gunshot residue, and skin care products on latent fingermark by mimicking a crime scene evidence.
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Affiliation(s)
- Ayşegül Erdoğan
- Ege University Application and Research Center for Testing and Analysis (EGE MATAL), İzmir, 35100, Turkey
| | - Meral Esen
- Ege University Application and Research Center for Testing and Analysis (EGE MATAL), İzmir, 35100, Turkey
| | - Robin Simpson
- Thermo Fisher Scientific, Unit 24 Birches Industrial Estate, East Grinstead, RH191UB, U.K
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11
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Hinners P, Thomas M, Lee YJ. Determining Fingerprint Age with Mass Spectrometry Imaging via Ozonolysis of Triacylglycerols. Anal Chem 2020; 92:3125-3132. [DOI: 10.1021/acs.analchem.9b04765] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Paige Hinners
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
| | - Madison Thomas
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
| | - Young Jin Lee
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
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12
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De Alcaraz‐Fossoul J, Tully‐Doyle R, Weber AR, Barrot Feixat C, Zapico SC, Rivera Cardenas N, Sirard MJ, Graber RP. A Small Population Study on Friction Skin Ridges: Differences in Ridge Widths Between Latent and Inked Fingerprints. J Forensic Sci 2019; 65:620-626. [DOI: 10.1111/1556-4029.14210] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 08/23/2019] [Accepted: 09/17/2019] [Indexed: 11/27/2022]
Affiliation(s)
- Josep De Alcaraz‐Fossoul
- Forensic Science Department Henry C. Lee College of Criminal Justice and Forensic Sciences University of New Haven 300 Boston Post Road West Haven CT 06516
| | - Ryan Tully‐Doyle
- Department of Mathematics and Physics College of Arts and Sciences University of New Haven 300 Boston Post Road West Haven CT 06516
| | - Alexis R. Weber
- Forensic Science Department Henry C. Lee College of Criminal Justice and Forensic Sciences University of New Haven 300 Boston Post Road West Haven CT 06516
| | - Carme Barrot Feixat
- Faculty of Medicine Forensic Genetics Laboratory University of Barcelona C/Casanova 143 Barcelona 08036Spain
| | - Sara C. Zapico
- Department of Chemistry and Biochemistry and International Forensic Research Institute Florida International University Modesto A. Maidique CampusOE 116AMiami FL 33199
| | - Natalie Rivera Cardenas
- School of Mathematical and Natural Sciences New College of Interdisciplinary Arts and Sciences Arizona State University‐West Campus 4701 W. Thunderbird Rd. Glendale AZ85306
| | - Melissa J. Sirard
- School of Mathematical and Natural Sciences New College of Interdisciplinary Arts and Sciences Arizona State University‐West Campus 4701 W. Thunderbird Rd. Glendale AZ85306
| | - Ryan P. Graber
- School of Mathematical and Natural Sciences New College of Interdisciplinary Arts and Sciences Arizona State University‐West Campus 4701 W. Thunderbird Rd. Glendale AZ85306
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13
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Dorakumbura BN, Busetti F, Lewis SW. Investigations into sampling approaches for chemical analysis of latent fingermark residue. Forensic Chem 2019. [DOI: 10.1016/j.forc.2019.100166] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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14
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Zheng LN, Ma RL, Li Q, Sang YB, Wang HL, Wang B, Yan QQ, Chen DL, Wang M, Feng WY, Zhao YL. Elemental analysis and imaging of sunscreen fingermarks by X-ray fluorescence. Anal Bioanal Chem 2019; 411:4151-4157. [PMID: 30879112 DOI: 10.1007/s00216-019-01718-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 01/31/2019] [Accepted: 02/26/2019] [Indexed: 12/30/2022]
Abstract
Chemical composition in fingermarks could provide useful information for forensic studies and applications. Here, we evaluate the feasibility of analysis and imaging of fingermarks via elements by synchrotron radiation X-ray fluorescence (SRXRF) and commercial X-ray fluorescence (XRF). As a proof of concept, we chose four brands of sunscreens to make fingermarks on different substrates, including plastic film, glass, paper, and silicon wafer. We obtained an evident image of fingermarks via zinc and titanium by XRF methods. In addition, the ratios of element concentrations in sunscreen fingermarks were obtained, which were in accordance with the results obtained by acid digestion and ICP-OES analysis. In comparison, commercial XRF offers the most advantages in terms of non-destructive detection, easy accessibility, fast element images, and broad applicability. The possibility to acquire fingermark images simultaneously with element information opens up new avenues for forensic science. Graphical abstract.
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Affiliation(s)
- Ling-Na Zheng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Rong-Liang Ma
- Institute of Forensic Science, Ministry of Public Security, Beijing, 100038, China
| | - Qian Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China
| | - Yuan-Bo Sang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
- Institute of Health Sciences, Anhui University, Hefei, 230039, China
| | - Hai-Long Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Bing Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Qi-Qi Yan
- Bruker Scientific Technology Co. Ltd, Shanghai, 200233, China
| | - Dong-Liang Chen
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Meng Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China.
| | - Wei-Yue Feng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Yu-Liang Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
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15
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De Alcaraz-Fossoul J, Barrot Feixat C, C Zapico S, McGarr L, Carreras-Marin C, Tasker J, Gené Badia M. Latent Fingermark Aging Patterns (Part IV): Ridge Width as One Indicator of Degradation. J Forensic Sci 2019; 64:1057-1066. [PMID: 30735581 DOI: 10.1111/1556-4029.14018] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 01/18/2019] [Accepted: 01/18/2019] [Indexed: 11/28/2022]
Abstract
This fourth article of the series is taking an in-depth analysis at the visible aging of latent fingermarks regarding changes in ridge widths over time. The objective is to quantify and statistically describe significant ridge size variations under controlled indoor conditions. The effect of three environmental variables are examined: type of secretion (sebaceous- and eccrine-rich) and type of substrate (glass and polystyrene) when aged in three light conditions (direct natural light, shade, and dark). Prior to width measurements, fresh and aged fingermarks were powdered with titanium dioxide (TiO2 ) and sequentially photographed at predetermined times over 6 months. Three independent observers measured the ridges from thirty predetermined locations using strategically placed intersecting lines on the print. Results indicate that fingermarks deposited on glass are more resilient to degradation compared with those deposited on plastic. The presence of direct natural light plays a negligible role on degradation compared to secretion and substrate types.
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Affiliation(s)
- Josep De Alcaraz-Fossoul
- Forensic Science Department, Henry C. Lee College of Criminal Justice and Forensic Sciences, University of New Haven, 300 Boston Post Road, West Haven, CT, 06516
| | - Carme Barrot Feixat
- Faculty of Medicine, Forensic Genetics Laboratory, University of Barcelona, C/Casanova 143, 08036, Barcelona, Catalonia, Spain
| | - Sara C Zapico
- Department of Chemistry and Biochemistry, International Forensic Research Institute, Florida International University, Miami, FL, 33199
| | - Luke McGarr
- Forensic Focus Ltd., The Corner House Business Centre, 2, Albert Road, Ripley, Derbyshire, DE53FZ, UK
| | - Clara Carreras-Marin
- Faculty of Medicine, Forensic Genetics Laboratory, University of Barcelona, C/Casanova 143, 08036, Barcelona, Catalonia, Spain
| | - Jack Tasker
- Faculty of Medicine, Forensic Genetics Laboratory, University of Barcelona, C/Casanova 143, 08036, Barcelona, Catalonia, Spain
| | - Manel Gené Badia
- Faculty of Medicine, Forensic Genetics Laboratory, University of Barcelona, C/Casanova 143, 08036, Barcelona, Catalonia, Spain
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16
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J. Bailey M, Costa C. Mass Spectrometry Methods for the Recovery of Forensic Intelligence from Fingermarks. EMERGING TECHNOLOGIES FOR THE ANALYSIS OF FORENSIC TRACES 2019. [DOI: 10.1007/978-3-030-20542-3_1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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17
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Wei Q, Zhang M, Ogorevc B, Zhang X. Recent advances in the chemical imaging of human fingermarks (a review). Analyst 2018; 141:6172-6189. [PMID: 27704072 DOI: 10.1039/c6an01121g] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review highlights the considerable advances in the chemical imaging of human fingermarks that provide more chemical information, including numerous endogenous and exogenous constituents. Despite remarkable development in DNA analysis and recognition, human fingermark analysis remains one of the priority approaches available for obtaining reliable forensic evidence. Additional information about the donor can be obtained from the chemical composition of latent fingermarks in addition to the ridge pattern, such as the age, gender, medical history, and possible drug habits. The analytical approaches reviewed here include spectroscopy, mass spectrometry, immuno-labelling and electrochemical methods. Each method has different capabilities with respect to sensitivity, reproducibility, selectivity, reliability and ultimately applicability, either for use in routine forensic practice or in academic research work. The advantages of spectroscopic techniques, including infrared, Raman and micro-X-ray fluorescence spectroscopy, are the capabilities of a rapid and non-destructive imaging of fingermarks by providing spectral information on chemical composition. In addition, mass spectrometry imaging can provide spatially specific information on fingermark chemical composition. Recently, the use of immuno-labelling in latent fingermark detection has attracted significant attention because it can overcome the sensitivity and selectivity problems experienced with other existing methods. The electrochemical method has also been employed to image latent fingermarks by measuring the electric current changes with the spatial chemical composition from the ridges and valleys at high resolution to provide a third level of detail, which is especially useful for multicoloured background surfaces or for surfaces contaminated with blood or other bodily fluids.
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Affiliation(s)
- Qianhui Wei
- Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
| | - Meiqin Zhang
- Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
| | - Božidar Ogorevc
- Department of Analytical Chemistry, National Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
| | - Xueji Zhang
- Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
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18
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Pleik S, Spengler B, Ram Bhandari D, Luhn S, Schäfer T, Urbach D, Kirsch D. Ambient-air ozonolysis of triglycerides in aged fingerprint residues. Analyst 2018; 143:1197-1209. [PMID: 29431747 DOI: 10.1039/c7an01506b] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
In forensic science, reconstructing the timing of events occurring during a criminal offense is of great importance. In some cases, the time when particular evidence was left on a crime scene is a critical matter. The ability to estimate the fingerprint age would raise the evidentiary value of fingerprints tremendously. For this purpose the most promising approach is the analysis of changes in the chemical compositions of fingerprint residues in the course of aging. The focus of our study is the identification of human specific compounds in fingerprint residues, characterized by a significant aging behavior that could analytically be used for the age determination of fingerprints in future. The first challenge is the sensitive detection of trace amounts of relevant human specific fingerprint compounds. Highly sensitive LC-MS methods were developed for the reliable structure identification of unsaturated triglycerides and their natural degradation products in order to proof the aging mechanism that takes place in fingerprint residues. Thus our results build the fundamental basis for further forensic method development and potential application in forensic investigation. Ozonolysis was found to be one of the major lipid degradation pathways in fingerprint residues in ambient air. High-resolution tandem mass spectrometry (HRMS2) was carried out to identify the ozonolysis products (TG48:0-monoozonide) formed under exposure to the highly reactive ozone in atmospheric air. The obtained products were confirmed by matrix assisted laser desorption ionization mass spectrometry imaging (MALDI-MSI). Despite several challenges and limitations in the age estimation of fingerprints, the identification of individual degradation products of specific unsaturated lipids in aged fingerprint samples represents a significant analytical progress, resulting in a strong increase in the validity of chemical analysis of fingerprints.
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Affiliation(s)
- Stefanie Pleik
- Forensic Science Institute, Federal Criminal Police Office, 65173 Wiesbaden, Germany.
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19
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Hai J, Li T, Su J, Liu W, Ju Y, Wang B, Hou Y. Reversible Response of Luminescent Terbium(III)-Nanocellulose Hydrogels to Anions for Latent Fingerprint Detection and Encryption. Angew Chem Int Ed Engl 2018; 57:6786-6790. [PMID: 29660210 DOI: 10.1002/anie.201800119] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Indexed: 01/18/2023]
Abstract
Fingerprint fluorescence imaging has become one of the most prominent technologies in the field of forensic medicine, but it seldom considers the security protection of detection information, which is of great importance in modern society. Herein we demonstrate that luminescent TbIII -carboxymethyl cellulose (CMC) complex binding aptamer hydrogels that are reversibly responsive to ClO- /SCN- can be used for the selective detection, protection, and storage of fingerprint information. The imaging information of the fingerprint can be quenched and recovered by ClO- /SCN- regulation, respectively, resulting in reversible on/off conversion of the luminescence signals for the encryption and decryption of multiple levels of information. The present study opens new avenues for multilevel imaging, data recording, and security protection of fingerprint information with tunable fluorescent hydrogels.
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Affiliation(s)
- Jun Hai
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Gansu, Lanzhou, 730000, China
| | - Tianrong Li
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Gansu, Lanzhou, 730000, China
| | - Junxia Su
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Gansu, Lanzhou, 730000, China
| | - Weisheng Liu
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Gansu, Lanzhou, 730000, China
| | - Yanmin Ju
- Beijing Key Laboratory for Magnetoelectric Materials and Devices (BKLMMD), Beijing Innovation Center for Engineering Science and Advanced Technology (BIC-ESAT), Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, China
| | - Baodui Wang
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Gansu, Lanzhou, 730000, China
| | - Yanglong Hou
- Beijing Key Laboratory for Magnetoelectric Materials and Devices (BKLMMD), Beijing Innovation Center for Engineering Science and Advanced Technology (BIC-ESAT), Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, China
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20
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Hai J, Li T, Su J, Liu W, Ju Y, Wang B, Hou Y. Reversible Response of Luminescent Terbium(III)-Nanocellulose Hydrogels to Anions for Latent Fingerprint Detection and Encryption. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201800119] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jun Hai
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Lanzhou University; Gansu Lanzhou 730000 China
| | - Tianrong Li
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Lanzhou University; Gansu Lanzhou 730000 China
| | - Junxia Su
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Lanzhou University; Gansu Lanzhou 730000 China
| | - Weisheng Liu
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Lanzhou University; Gansu Lanzhou 730000 China
| | - Yanmin Ju
- Beijing Key Laboratory for Magnetoelectric Materials and Devices (BKLMMD); Beijing Innovation Center for Engineering Science and Advanced Technology (BIC-ESAT); Department of Materials Science and Engineering; College of Engineering; Peking University; Beijing 100871 China
| | - Baodui Wang
- State Key Laboratory of Applied Organic Chemistry; Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Lanzhou University; Gansu Lanzhou 730000 China
| | - Yanglong Hou
- Beijing Key Laboratory for Magnetoelectric Materials and Devices (BKLMMD); Beijing Innovation Center for Engineering Science and Advanced Technology (BIC-ESAT); Department of Materials Science and Engineering; College of Engineering; Peking University; Beijing 100871 China
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21
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Hinners P, O'Neill KC, Lee YJ. Revealing Individual Lifestyles through Mass Spectrometry Imaging of Chemical Compounds in Fingerprints. Sci Rep 2018; 8:5149. [PMID: 29581473 PMCID: PMC5979955 DOI: 10.1038/s41598-018-23544-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 03/14/2018] [Indexed: 01/23/2023] Open
Abstract
Fingerprints, specifically the ridge details within the print, have long been used in forensic investigations for individual identification. Beyond the ridge detail, fingerprints contain useful chemical information. The study of fingerprint chemical information has become of interest, especially with mass spectrometry imaging technologies. Mass spectrometry imaging visualizes the spatial relationship of each compound detected, allowing ridge detail and chemical information in a single analysis. In this work, a range of exogenous fingerprint compounds that may reveal a personal lifestyle were studied using matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI). Studied chemical compounds include various brands of bug sprays and sunscreens, as well as food oils, alcohols, and citrus fruits. Brand differentiation and source determination were possible based on the active ingredients or exclusive compounds left in fingerprints. Tandem mass spectrometry was performed for the key compounds, so that these compounds could be confidently identified in a single multiplex mass spectrometry imaging data acquisition.
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Affiliation(s)
- Paige Hinners
- Department of Chemistry, Iowa State University, Ames, IA, 50011, USA
| | - Kelly C O'Neill
- Department of Chemistry, Iowa State University, Ames, IA, 50011, USA
| | - Young Jin Lee
- Department of Chemistry, Iowa State University, Ames, IA, 50011, USA.
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22
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Ewing AV, Kazarian SG. Infrared spectroscopy and spectroscopic imaging in forensic science. Analyst 2018; 142:257-272. [PMID: 27905577 DOI: 10.1039/c6an02244h] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Infrared spectroscopy and spectroscopic imaging, are robust, label free and inherently non-destructive methods with a high chemical specificity and sensitivity that are frequently employed in forensic science research and practices. This review aims to discuss the applications and recent developments of these methodologies in this field. Furthermore, the use of recently emerged Fourier transform infrared (FT-IR) spectroscopic imaging in transmission, external reflection and Attenuated Total Reflection (ATR) modes are summarised with relevance and potential for forensic science applications. This spectroscopic imaging approach provides the opportunity to obtain the chemical composition of fingermarks and information about possible contaminants deposited at a crime scene. Research that demonstrates the great potential of these techniques for analysis of fingerprint residues, explosive materials and counterfeit drugs will be reviewed. The implications of this research for the examination of different materials are considered, along with an outlook of possible future research avenues for the application of vibrational spectroscopic methods to the analysis of forensic samples.
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Affiliation(s)
- Andrew V Ewing
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, SW7 2AZ, UK.
| | - Sergei G Kazarian
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, SW7 2AZ, UK.
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23
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Andersson PO, Lejon C, Mikaelsson T, Landström L. Towards Fingermark Dating: A Raman Spectroscopy Proof-of-Concept Study. ChemistryOpen 2017; 6:706-709. [PMID: 29226058 PMCID: PMC5715318 DOI: 10.1002/open.201700129] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Revised: 08/17/2017] [Indexed: 12/04/2022] Open
Abstract
Fingermarks have, for a long time, been vital in the forensic community for the identification of individuals, and a possibility to non‐destructively date the fingermarks would of course be beneficial. Raman spectroscopy is, herein, evaluated for the purpose of estimating the age of fingermarks deposits. Well‐resolved spectra were non‐destructively acquired to reveal spectral uniqueness, resembling those of epidermis, and several molecular markers were identified that showed different decay kinetics: carotenoids > squalene > unsaturated fatty acids > proteins. The degradation rates were accelerated, less pronounced for proteins, when samples were stored under ambient light conditions, likely owing to photo‐oxidation. It is hypothesized that fibrous proteins are present and that oxidation of amino acid side chains can be observed both through Raman and fluorescence spectroscopy. Clearly, Raman spectroscopy is a useful technique to non‐destructively study the aging processes of fingermarks.
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Affiliation(s)
- Per Ola Andersson
- CBRN Defence and Security FOI Swedish Defence Research Agency SE-901 82 Umeå Sweden.,Department of Engineering Sciences Uppsala University SE-751 21 Uppsala Sweden
| | - Christian Lejon
- CBRN Defence and Security FOI Swedish Defence Research Agency SE-901 82 Umeå Sweden
| | - Therese Mikaelsson
- National CBRN Defence Centre The Swedish Armed Forces SE-901 82 Umeå Sweden
| | - Lars Landström
- CBRN Defence and Security FOI Swedish Defence Research Agency SE-901 82 Umeå Sweden
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24
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Donnarumma F, Camp EE, Cao F, Murray KK. Infrared Laser Ablation with Vacuum Capture for Fingermark Sampling. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2017; 28:1958-1964. [PMID: 28534157 DOI: 10.1007/s13361-017-1703-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 04/26/2017] [Accepted: 04/30/2017] [Indexed: 06/07/2023]
Abstract
Infrared laser ablation coupled to vacuum capture was employed to collect material from fingermarks deposited on surfaces of different porosity and roughness. Laser ablation at 3 μm was performed in reflection mode with subsequent capture of the ejecta with a filter connected to vacuum. Ablation and capture of standards from fingermarks was demonstrated on glass, plastic, aluminum, and cardboard surfaces. Using matrix assisted laser desorption ionization (MALDI), it was possible to detect caffeine after spiking with amounts as low as 1 ng. MALDI detection of condom lubricants and detection of antibacterial peptides from an antiseptic cream was demonstrated. Detection of explosives from fingermarks left on plastic surfaces as well as from direct deposition on the same surface using gas chromatography mass spectrometry (GC-MS) was shown. Graphical Abstract ᅟ.
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Affiliation(s)
- Fabrizio Donnarumma
- Department of Chemistry, Louisiana State University, Baton Rouge, LA, 70803, USA
| | - Eden E Camp
- Department of Chemistry, Louisiana State University, Baton Rouge, LA, 70803, USA
| | - Fan Cao
- Department of Chemistry, Louisiana State University, Baton Rouge, LA, 70803, USA
| | - Kermit K Murray
- Department of Chemistry, Louisiana State University, Baton Rouge, LA, 70803, USA.
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25
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Cai L, Xia MC, Wang Z, Zhao YB, Li Z, Zhang S, Zhang X. Chemical Visualization of Sweat Pores in Fingerprints Using GO-Enhanced TOF-SIMS. Anal Chem 2017; 89:8372-8376. [DOI: 10.1021/acs.analchem.7b01629] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Lesi Cai
- Department
of Chemistry, Beijing Key Laboratory of Microanalytical Methods and
Instrumentation, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - Meng-Chan Xia
- Department
of Chemistry, Beijing Key Laboratory of Microanalytical Methods and
Instrumentation, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - Zhaoying Wang
- Department
of Chemistry, Beijing Key Laboratory of Microanalytical Methods and
Instrumentation, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - Ya-Bin Zhao
- Department
of Forensic Science, People’s Security University of China, Beijing, 100038, People’s Republic of China
| | - Zhanping Li
- Department
of Chemistry, Beijing Key Laboratory of Microanalytical Methods and
Instrumentation, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - Sichun Zhang
- Department
of Chemistry, Beijing Key Laboratory of Microanalytical Methods and
Instrumentation, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - Xinrong Zhang
- Department
of Chemistry, Beijing Key Laboratory of Microanalytical Methods and
Instrumentation, Tsinghua University, Beijing, 100084, People’s Republic of China
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26
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O'Neill KC, Lee YJ. Effect of Aging and Surface Interactions on the Diffusion of Endogenous Compounds in Latent Fingerprints Studied by Mass Spectrometry Imaging. J Forensic Sci 2017; 63:708-713. [PMID: 28691753 DOI: 10.1111/1556-4029.13591] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 05/17/2017] [Accepted: 06/06/2017] [Indexed: 01/30/2023]
Abstract
The ability to determine the age of fingerprints would be immeasurably beneficial in criminal investigations. We explore the possibility of determining the age of fingerprints by analyzing various compounds as they diffuse from the ridges to the valleys of fingerprints using matrix-assisted laser desorption/ionization mass spectrometry imaging. The diffusion of two classes of endogenous fingerprint compounds, fatty acids and triacylglycerols (TGs), was studied in fresh and aged fingerprints on four surfaces. We expected higher molecular weight TGs would diffuse slower than fatty acids and allow us to determine the age of older fingerprints. However, we found interactions between endogenous compounds and the surface have a much stronger impact on diffusion than molecular weight. For example, diffusion of TGs is faster on hydrophilic plain glass or partially hydrophilic stainless steel surfaces, than on a hydrophobic Rain-x treated surface. This result further complicates utilizing a diffusion model to age fingerprints.
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Affiliation(s)
- Kelly C O'Neill
- Department of Chemistry, Iowa State University, Ames, IA, 50011
| | - Young Jin Lee
- Department of Chemistry, Iowa State University, Ames, IA, 50011
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27
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Migration of latent fingermarks on non-porous surfaces: Observation technique and nanoscale variations. Forensic Sci Int 2017; 275:44-56. [DOI: 10.1016/j.forsciint.2017.02.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 02/10/2017] [Accepted: 02/16/2017] [Indexed: 11/17/2022]
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28
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Wei Q, Li X, Du X, Zhang X, Zhang M. Universal and one-step visualization of latent fingermarks on various surfaces using hydrophilic cellulose membrane and dye aqueous solution. Sci China Chem 2017. [DOI: 10.1007/s11426-017-9051-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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29
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Figueroa B, Chen Y, Berry K, Francis A, Fu D. Label-Free Chemical Imaging of Latent Fingerprints with Stimulated Raman Scattering Microscopy. Anal Chem 2017; 89:4468-4473. [DOI: 10.1021/acs.analchem.6b04213] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Benjamin Figueroa
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Yikai Chen
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Kyla Berry
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Andrew Francis
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Dan Fu
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
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30
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Dorakumbura BN, Becker T, Lewis SW. Nanomechanical mapping of latent fingermarks: A preliminary investigation into the changes in surface interactions and topography over time. Forensic Sci Int 2016; 267:16-24. [DOI: 10.1016/j.forsciint.2016.07.024] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 07/04/2016] [Accepted: 07/26/2016] [Indexed: 11/17/2022]
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31
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Pleik S, Spengler B, Schäfer T, Urbach D, Luhn S, Kirsch D. Fatty Acid Structure and Degradation Analysis in Fingerprint Residues. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2016; 27:1565-1574. [PMID: 27324649 DOI: 10.1007/s13361-016-1429-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 05/22/2016] [Accepted: 05/23/2016] [Indexed: 06/06/2023]
Abstract
GC-MS investigations were carried out to elucidate the aging behavior of unsaturated fatty acids in fingerprint residues and to identify their degradation products in aged samples. For this purpose, a new sample preparation technique for fingerprint residues was developed that allows producing N-methyl-N-trimethylsilyl-trifluoroacetamide (MSTFA) derivatives of the analyzed unsaturated fatty acids and their degradation products. MSTFA derivatization catalyzed by iodotrimethylsilane enables the reliable identification of aldehydes and oxoacids as characteristic MSTFA derivatives in GCMS. The obtained results elucidate the degradation pathway of unsaturated fatty acids. Our study of aged fingerprint residues reveals that decanal is the main degradation product of the observed unsaturated fatty acids. Furthermore, oxoacids with different chain lengths are detected as specific degradation products of the unsaturated fatty acids. The detection of the degradation products and their chain length is a simple and effective method to determine the double bond position in unsaturated compounds. We can show that the hexadecenoic and octadecenoic acids found in fingerprint residues are not the pervasive fatty acids Δ9-hexadecenoic (palmitoleic acid) and Δ9-octadecenoic (oleic acid) acid but Δ6-hexadecenoic acid (sapienic acid) and Δ8-octadecenoic acid. The present study focuses on the structure identification of human sebum-specific unsaturated fatty acids in fingerprint residues based on the identification of their degradation products. These results are discussed for further investigations and method developments for age determination of fingerprints, which is still a tremendous challenge because of several factors affecting the aging behavior of individual compounds in fingerprints. Graphical Abstract ᅟ.
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Affiliation(s)
- Stefanie Pleik
- Institute of Inorganic and Analytical Chemistry, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, Giessen, 35392, Germany
- Federal Criminal Police Office, Forensic Science Institute, KT12, 65173, Wiesbaden, Germany
| | - Bernhard Spengler
- Institute of Inorganic and Analytical Chemistry, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, Giessen, 35392, Germany
| | - Thomas Schäfer
- Federal Criminal Police Office, Forensic Science Institute, KT12, 65173, Wiesbaden, Germany
| | - Dieter Urbach
- Federal Criminal Police Office, Forensic Science Institute, KT12, 65173, Wiesbaden, Germany
| | - Steven Luhn
- Federal Criminal Police Office, Forensic Science Institute, KT12, 65173, Wiesbaden, Germany
| | - Dieter Kirsch
- Federal Criminal Police Office, Forensic Science Institute, KT12, 65173, Wiesbaden, Germany.
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32
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Zhao J, Zhang K, Li Y, Ji J, Liu B. High-Resolution and Universal Visualization of Latent Fingerprints Based on Aptamer-Functionalized Core-Shell Nanoparticles with Embedded SERS Reporters. ACS APPLIED MATERIALS & INTERFACES 2016; 8:14389-95. [PMID: 27236904 DOI: 10.1021/acsami.6b03352] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Although fingerprints have been widely used in forensic investigations, low resolution and poor universality are still the main obstacles for the development of fingerprint visualization. In this paper, a facile and universal imaging protocol for latent fingerprints (LFPs) was developed by combining sandwiched SERS probes with the highly sensitive and selective recognition of aptamers. The embedded SERS probes (Au/pNTP/SiO2) successfully avoid the environment interference, ascertaining the stability and reproducibility of Raman signals, and simultaneously improve the efficiency of the fingerprint identification. This approach is operationally simple without complicated pre- or post-treatments. Moreover, the fingerprint images display the high resolution in which third-level details can be clearly identified. This is a general approach and can be used to detect various types of fingerprints, including sebaceous, eccrine, fresh LFPs, and aged LFPs on different substrates (such as smooth, scratching, semiporous, and porous surfaces).
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Affiliation(s)
- Jingjing Zhao
- Department of Chemistry, Institutes of Biomedical Sciences and State Key Lab of Molecular Engineering of Polymers, Fudan University , Shanghai 200433, China
| | - Kun Zhang
- Department of Chemistry, Institutes of Biomedical Sciences and State Key Lab of Molecular Engineering of Polymers, Fudan University , Shanghai 200433, China
| | - Yixin Li
- Department of Chemistry, Institutes of Biomedical Sciences and State Key Lab of Molecular Engineering of Polymers, Fudan University , Shanghai 200433, China
| | - Ji Ji
- Department of Chemistry, Institutes of Biomedical Sciences and State Key Lab of Molecular Engineering of Polymers, Fudan University , Shanghai 200433, China
| | - Baohong Liu
- Department of Chemistry, Institutes of Biomedical Sciences and State Key Lab of Molecular Engineering of Polymers, Fudan University , Shanghai 200433, China
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