Abstract：
:Optimization of a light emitting diode (LED)-based excitation system for the detection of pretreated fingerprint fluorescence is described. Fluorescent ridges can usually be excited by irradiation with forensic light sources such as xenon arc lamps or quartz-halogen lamps with high-power output and suitable filters. However, they are too expensive for many crime laboratories in smaller organizations. We concentrated on LEDs which have advantages over conventional light sources in that they are simpler and of lower cost, but the power output and quality of each individual LED unit is not sufficient for the detection of weak fluorescent ridges. To resolve this subject, blue and green LED arrays composed of ninety LED units were adopted and suitable low pass filters for them were designed. An experimental system, consisting of blue and green LED arrays with the suitable low pass filters for illumination, high pass filters for viewing, a digital camera and a computer, was tested. The fluorescent images of cyanoacrylate ester fumed/rhodamine 6G stained fingerprint on white polyethylene sheet and weak fluorescent ridges of ninhydrin/indium chloride treated fingerprint on white paper were successfully detected and photographed. It was shown that the improvement of LED beam in intensity and quality can compensate the disadvantages, resulting in well-contrasted images.
journal_name
J Forensic Scijournal_title
Journal of forensic sciencesauthors
Takatsu M,Shimoda O,Onishi K,Onishi A,Oguri Ndoi
10.1111/j.1556-4029.2008.00773.xsubject
Has Abstractpub_date
2008-07-01 00:00:00pages
823-7issue
4eissn
0022-1198issn
1556-4029pii
JFO773journal_volume
53pub_type
杂志文章abstract：:The purpose of this paper is to investigate the utility of digital dental radiographic superimposition in the various stages of development of the human dentition. Digital, computer assisted dental identification is a means of identification which allows the spatial relationships of the root and support structures of ...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1999-09-01 00:00:00
abstract：:At the turn of the millennium, the authors summarize the evolution of a clinician's duty to protect third persons from a patient's violent acts over the past half century, with special emphasis on jurisprudential developments in the last decade. Four evolutionary periods are identified: Pre-Tarasoff, Inception, Divers...
journal_title：Journal of forensic sciences
pub_type： 杂志文章,评审
doi：
更新日期：2001-09-01 00:00:00
abstract：:We have previously reported a new triplex amplification and typing system by silver staining for three short tandem repeat (STR) loci, 9q2h2 (D2S3020), D15S233, and D14S299 without "microvariant" alleles such as .1, .2, and, .3 alleles in the Japanese population. In the present study, we established a new quadruplex s...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：2003-01-01 00:00:00
abstract：:Short tandem repeat (STR) profiles from 32,671 individuals generated by the ABI Profiler Plus and Cofiler systems were screened for variant alleles not represented within manufacturer-provided allelic ladders. A total of 85 distinct variants were identified at 12 of the 13 CODIS loci, most of which involve a truncated...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：2005-09-01 00:00:00
abstract：:We herein report the case of a 36-year-old man who died suddenly after a fight with another man. Forensic investigations included unenhanced computed tomography, postmortem angiography, autopsy, histology, neuropathology, toxicology, and biochemistry and allowed a traumatic cause of death to be excluded. An electrocar...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/1556-4029.12362
更新日期：2014-05-01 00:00:00
abstract：:Complete or incomplete decapitation as a consequence of suicidal hanging is very rare, few cases having been reported in the worldwide literature. Posthanging decapitation is typically related to a drop of several meters. Three cases of complete decapitation and one case of incomplete decapitation by suicidal hanging ...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/1556-4029.12001
更新日期：2013-01-01 00:00:00
abstract：:This paper has reported a case of sudden unexpected death in a 19-year-old man, shot in the abdomen, who was surgically treated and discharged. He died of massive left retropleural hematoma from a spontaneous rupture of a traumatic pseudo-aneurysm of the abdominal aorta. Diagnosis of the retropleural hemorrhage and th...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1979-07-01 00:00:00
abstract：:Teeth development is widely used for age estimation in forensic science. The aims of this study were as follows: first, to establish Indian data on canine and first premolar development for age estimation and second, to investigate population differences in teeth development. Orthopantomograms of 340 Indian children a...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/j.1556-4029.2012.02111.x
更新日期：2012-07-01 00:00:00
abstract：:Mixed DNA profiles are being encountered more frequently as laboratories analyze increasing amounts of touch evidence. If it is determined that an individual could be a possible contributor to the mixture, it is necessary to perform a statistical analysis to allow an assignment of weight to the evidence. Currently, th...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/1556-4029.12067
更新日期：2013-03-01 00:00:00
abstract：:Drowning as a method of suicide is known to occur, but has primarily been described in environments with readily available access to water, such as coastal regions. In this study, we describe and analyze a series of suicidal drownings occurring in a noncoastal area of Texas. Between 1977 and 1996, 52 cases of suicidal...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：2002-01-01 00:00:00
abstract：:This study extends previous work on the sorption of explosives to the hair matrix. Specifically, we have studied the interaction of 2,4,6-trinitrotoluene (TNT) and triacetone triperoxide (TATP) as a function of chemical pretreatment with acetonitrile, neutral and alkaline hydrogen peroxide, methanolic KOH and potassiu...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/j.1556-4029.2011.02020.x
更新日期：2012-05-01 00:00:00
abstract：:Lamendin et al. (J Forensic Sci 1992;37:1373) developed a general technique to estimate age of adults at death using two dental features: periodontosis and translucency of the tooth root. Prince and Ubelaker (J Forensic Sci 2002;47:107) modified this method, creating a formula for each sex and for different ancestries...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/j.1556-4029.2007.00508.x
更新日期：2007-09-01 00:00:00
abstract：:Twenty-five permanent teeth, including eight carious ones whose pulp cavities had been exposed, were used for this research 3-5 weeks after extraction. Phosphate-buffered saline (PBS, at pH 7.2) was employed to extract ABO blood group substance from tooth powder. ABO grouping was performed on blood-stained compresses ...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1993-07-01 00:00:00
abstract：:Bipartite patella is recognized as a developmental anomaly of ossification. Most of them are asymptomatic and are discovered incidentally. Bipartite patella is sometimes misdiagnosed as a patella fracture, because the x-ray images of both these conditions may appear very similar. In this case, the patient complained o...
journal_title：Journal of forensic sciences
pub_type：
doi：10.1111/1556-4029.13357
更新日期：2017-07-01 00:00:00
abstract：:Suspects in shooting investigations in Chicago are routinely transported in department vehicles and detained in department facilities prior to gunshot residue (GSR) evidence collection. The GSR test results are used to associate the suspect with primary exposure to GSR. The potential for these vehicles and facilities ...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/j.1556-4029.2007.00457.x
更新日期：2007-07-01 00:00:00
abstract：:Acetyl fentanyl is a Schedule I controlled synthetic opioid that is becoming an increasingly detected "designer drug." Routine drug screening procedures in local forensic toxicology laboratories identified a total of 41 overdose deaths associated with acetyl fentanyl within multiple counties of the southwestern region...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/1556-4029.13517
更新日期：2018-01-01 00:00:00
abstract：:A principal goal of this research was to conduct a field evaluation of "on-site" multi-analyte drug testing devices to determine the most accurate, efficient, and cost-effective device available for the purpose of rapidly detecting drivers under the influence of drugs. Four on-site kits were selected and evaluated for...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1998-03-01 00:00:00
abstract：:Experiments were conducted to collect gunpowder (propellant) residues from shooters' clothing by vacuum and to analyze them by gas chromatography/thermal energy analyzer (GC/TEA), ion mobility spectrometry (IMS), and gas chromatography/mass spectrometry (GC/MS). The residues were collected on fiberglass and Teflon fil...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：2003-09-01 00:00:00
abstract：:Evaluation of an FDA-licensed rapid assay to detect antibodies to human immunodeficiency virus (HIV) was accomplished by testing 414 serum samples collected sequentially from autopsy cases at the Office of the Chief Medical Examiner, State of Maryland. The time of postmortem collection ranged from 8 to 30 hours. All s...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1993-07-01 00:00:00
abstract：:A forensic genotyping panel of 11 tetranucleotide STR loci from the domestic cat was characterized and evaluated for genetic individualization of cat tissues. We first examined 49 candidate STR loci and their frequency assessment in domestic cat populations. The STR loci (3-4 base pair repeat motifs), mapped in the ca...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：2005-09-01 00:00:00
abstract：:Many studies have been published regarding suicidal hanging deaths, and most forensic pathologists and coroners are very familiar with such causes of death. Forensic pathologists are challenged over their rulings regarding manner of death in part because the general public has a limited scope of knowledge. One such ch...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/j.1556-4029.2012.02230.x
更新日期：2012-09-01 00:00:00
abstract：:In the quest for a simple, reliable technique to estimate the sex of human remains several novel metric skeletal indices have been reported. Only a few have been examined for utility in populations different from those in which they were developed. In this study, the mastoid process was evaluated for sex determination...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/1556-4029.12299
更新日期：2013-11-01 00:00:00
abstract：:Using GC/MS in scanning mode as a screening and definitive identification methodology for substance abuse testing, 4500 urine samples have been analyzed. The accuracy and sensitivity of this method was evaluated by the results of 92 proficiency sample analyses, reanalyses by TLC screening with GC confirmation of 125 s...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1993-01-01 00:00:00
abstract：:Gunshot backspatter comprises biological material expelled backward through bullet entry holes. Crime scene investigators analyze backspatter patterns to infer wounding circumstances. An understanding of the mechanism of backspatter generation, and the relationship between spatter patterns and bullet and tissue charac...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/j.1556-4029.2012.02143.x
更新日期：2012-09-01 00:00:00
abstract：:Skeletal remains were discovered in an unused cistern near the Omaha, Nebraska airport and were positively identified through comparison of antemortem and postmortem dental radiographs. Although nearly nine years had elapsed between death and discovery, the bones and teeth revealed evidence of the application of a cor...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1988-03-01 00:00:00
abstract：:In the field of forensic footwear examination, it is a widely held belief that patterns of accidental marks found on footwear and footwear impressions possess a high degree of "uniqueness." This belief, however, has not been thoroughly studied in a numerical way using controlled experiments. As a result, this form of ...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/j.1556-4029.2009.01209.x
更新日期：2010-01-01 00:00:00
abstract：:Cardiac rhabdomyomas are rare lesions forming part of the tuberous sclerosis complex that may be responsible for sudden death. As well as remaining clinically occult for variable periods of time, they may, along with other manifestations of tuberous sclerosis, be quite difficult to detect clinically and pathologically...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1991-07-01 00:00:00
abstract：:The spreading dynamics of blood dripping onto hard surfaces is compared to two spreading models. Samples of human blood, porcine blood, and Millipore® water were dripped onto cardboard, foamcore, and glass surfaces in low velocity passive drip simulations. Final stain diameter, the total number of spines and scallops,...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/1556-4029.13217
更新日期：2017-01-01 00:00:00
abstract：:The identification, analysis, and occurrence in U.S. automobile original finishes (1974-1989) of Nickel Titanate (yellow) and Chrome Titanate (yellow-orange) are described in this report. The titanate pigments are based on the rutile (titanium dioxide) structure and there are only minor differences between the infrare...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/j.1556-4029.2006.00126.x
更新日期：2006-05-01 00:00:00
abstract：:Cellular immune response is accompanied by the release of neopterin. Increased neopterin levels in urine and serum are observed in patients during viral infections, autoimmune diseases, and allograft rejections and certain malignant diseases. We investigated postmortem neopterin concentrations in urine and serum sampl...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1991-07-01 00:00:00
