推断指纹遗留时间的研究进展

doi:10.19894/j.issn.1000-0518.240190

摘要/Abstract

摘要：

指纹是犯罪现场最重要的物证形式之一。在面对缺乏关键信息的疑难案件时，通过推断指纹的遗留时间，办案人员能够划定犯罪嫌疑人的作案时间，进一步缩小侦察范围。因此，推断出指纹的遗留时间，可以在刑事侦查领域发挥巨大的作用。近年来，推断指纹遗留时间的研究进展取得了长足的进步，各种指纹遗留时间预测模型相继而生。本文综述了近10年来在推断指纹遗留时间领域上的研究进展，归纳了干扰测定指纹遗留时间的主要变量（捺印人特征、捺印条件、承痕体属性、环境条件和显现方法），从形态学特征、电化学特性和化学成分3个研究方向重点介绍了推断指纹遗留时间的方法和潜在方法，并讨论了推断指纹遗留时间所面临的挑战和未来的发展方向。

关键词: 指纹, 遗留时间, 指纹老化, 脂质, 乳突纹线, 形态学, 电化学

Abstract:

Fingerprints are one of the most important forms of physical evidence at crime scenes. In the face of difficult cases lacking key information， by inferring the remaining time of fingerprints， case handlers can delimit the time of suspect and further narrow the scope of detection. Therefore， inferring the residual time of fingerprints can play a huge role in the field of criminal investigation. In recent years， significant progress has been made in the research of inferring fingerprint residual time， and various fingerprint residual time prediction models have emerged one after another. This article reviews the research progress in the field of inferring fingerprint residual time in recent years， summarizes the main variables that interfere with the determination of fingerprint residual time （imprint human characteristics， imprint conditions， imprint body properties， environmental conditions， and display methods， etc.）， and focuses on the methods and potential methods for inferring fingerprint residual time from three research directions： morphological characteristics， electrochemical characteristics and chemical composition. The challenges and future development directions for inferring fingerprint residual time are discussed.

Key words: Fingerprint, Remaining time, Fingerprint aging, Lipids, Spine, Morphology, Electrochemistry

中图分类号:

O657

易梓琛, 张文骥, 易伟, 黎子华, 江嘉思. 推断指纹遗留时间的研究进展[J]. 应用化学, 2024, 41(12): 1697-1711.

Zi-Chen YI, Wen-Ji ZHANG, Wei YI, Zi-Hua LI, Jia-Si JIANG. Research Progress in Inferring Fingerprint Legacy Time[J]. Chinese Journal of Applied Chemistry, 2024, 41(12): 1697-1711.

图/表 9

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Formation stage	Serial number	Influential factor	Examples	Ref.
Depositions stage	1	Donor characteristics	Gender， age， diet， medication intake	［17-19］
Depositions stage	2	Deposition conditions	Imprinting pressure， contact area， contact time	［38-40］
Aging stage	3	Substrate properties	Glass， paper， wax surface	［41］
	4	Environmental conditions	Temperature， light， ultraviolet radiation	［44-53］
	5	Enhancement techniques	1，3-Indanedione， alpha-naphthoflavone， 502 glue	［55-56］

Formation stage	Serial number	Influential factor	Examples	Ref.
Depositions stage	1	Donor characteristics	Gender， age， diet， medication intake	［17-19］
Depositions stage	2	Deposition conditions	Imprinting pressure， contact area， contact time	［38-40］
Aging stage	3	Substrate properties	Glass， paper， wax surface	［41］
	4	Environmental conditions	Temperature， light， ultraviolet radiation	［44-53］
	5	Enhancement techniques	1，3-Indanedione， alpha-naphthoflavone， 502 glue	［55-56］

Serial number	Substrate properties	Representative sample	Collision energy
1	Non-porous	Glass， metal， ceramics	All fingerprint residues remain on the surface of the substrate
2	Semi-porosity	Waxy surfaces，glossy cardboard	Sebaceous compounds seep in very slowly
3	Porous	Paper， wood	Fast infiltration of adrenergic compounds， slow infiltration of sebaceous glands

Serial number	Substrate properties	Representative sample	Collision energy
1	Non-porous	Glass， metal， ceramics	All fingerprint residues remain on the surface of the substrate
2	Semi-porosity	Waxy surfaces，glossy cardboard	Sebaceous compounds seep in very slowly
3	Porous	Paper， wood	Fast infiltration of adrenergic compounds， slow infiltration of sebaceous glands

Technology	Target	Time	Advantages of the method	Shortcomings of methods	Ref.
CWL	Contrast between ridge and small furrows	24 h	Suitable for fingerprints with short residual time； Not causing damage to fingerprints	The resolution obtained from scanning different secretions varies and needs to be compared with other scanning devices	［63］
Grayscale images	Color contrast between ridge and small furrows	170 d	High resolution	There is a slight subjectivity in distinguishing； The color contrast is greatly affected by external factors	［7］
TOF-SIMS	Diffusion rate of fatty acid molecules	4 d	The scope of application is not limited to a single substance； High resolution and high sensitivity	There are strict requirements for the surface roughness of substrate； No interference caused by environmental factors has been measured	［71］
AFM	Width of ridges/distribution of ridges	11 d/61 d	Can provide 2D and 3D images at the nanoscale； High resolution	The impact of different substrate has not been measured	［72］
PFQNM-AFM	Adhesion in the fingerprint region	28 d	Can provide changes in the distribution of external secretions； High resolution	The impact of different substrate has not been measured； The impact of chemical interactions between substances cannot be explored； No further investigation was conducted into the reasons for the differences in adhesion force	［73］
OP	Ridge height	365 d	Provide high-resolution 2D and 3D images； No need to preprocess fingerprints； Having a larger analysis area in high-resolution optical instruments	Slow acquisition time under high-resolution conditions； The roughness of the substrate has a certain impact on the analysis	［61］
EIS	Fingerprint capacitance	45 d	Can continuously measure changes in the concentration of multiple biomarkers； High sensitivity； Not causing damage to fingerprints	Only applicable to substrate with conductive ability	［74］
ESDA	Fingerprint secretion	69 d	High contrast and good experimental reproducibility； Has a good display effect	The exact mechanism by which ESDA displays fingerprints has not yet been elucidated； The impact of different substrate has not been measured	［75］
SI-SECM	Degradation rate and coverage of lipid oxides	180 d	Simultaneously combining the morphological and chemical characteristics of fingerprints； Not causing damage to fingerprints	The degradation mechanism of lipids and factors affecting aging rate have not been elucidated yet	［79］
GC-MS	Lipid	35 d	The influence of factors such as lighting conditions， imprinting conditions， and trace bearing properties can be explored； High sensitivity	Complex preprocessing； Causing damage to fingerprints	［85］
MALDI-MSI	Triglyceride	9 d	Further exploration can be conducted on the effects caused by factors such as lighting conditions， imprinting conditions， and substrate types； High sensitivity	The influencing factors of triglyceride oxidation process have not been further explored； Causing damage to fingerprints	［84］
MALDI-MSI	Exogenous substance	46 d	High resolution and high sensitivity	Failure to elucidate the aging mechanism of exogenous substances	［89］
LC-MS	Protein	16 d	High sensitivity， high throughput	Proteins in fingerprints are easily contaminated by the environment； The impact of environmental conditions and substrate properties has not been measured； Causing damage to fingerprints	［90］
UPLC-MS/MS	Amino acid	180 d	The impact caused by the characteristics of the imprinting person is relatively small	Not measuring the impact of different pH values	［91］
ATR-FTIR	Sebaceous gland substance， Exocrine substance	34 d	Not causing damage to fingerprints	The degradation mechanism of sebaceous glands/exocrine substances has not been elucidated yet	［95］
FS	Tryptophan， Unsaturated lipids	120 d	Not causing damage to fingerprints	Not suitable for determining the residual time of female fingerprints； Experimental reproducibility is average	［92］
UV-Vis	Urea and amino acids	7 d	Easy to operate and can be tested on-site	Causing damage to fingerprints； Insufficient sample size	［93］
HSI	ROI	13 d/18 d	Not causing damage to fingerprints； Good universality	Without measuring the environmental conditions， characteristics of the imprinting person， impact of imprinting conditions	［97-98］