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Shang Y, Yang F, Ngando FJ, Zhang X, Feng Y, Ren L, Guo Y. Development of Forensically Important Sarcophaga peregrina (Diptera: Sarcophagidae) and Intra-Puparial Age Estimation Utilizing Multiple Methods at Constant and Fluctuating Temperatures. Animals (Basel) 2023; 13:ani13101607. [PMID: 37238037 DOI: 10.3390/ani13101607] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/29/2023] [Accepted: 05/02/2023] [Indexed: 05/28/2023] Open
Abstract
Sarcophaga peregrina (Robineau-Desvoidy, 1830) has the potential to estimate the minimum postmortem interval (PMImin). Development data and intra-puparial age estimation are significant for PMImin estimation. Previous research has focused on constant temperatures, although fluctuating temperatures are a more real scenario at a crime scene. The current study examined the growth patterns of S. peregrina under constant (25.75 °C) and fluctuating temperatures (18-36 °C; 22-30 °C). Furthermore, differentially expressed genes, attenuated total reflectance Fourier-transform infrared spectroscopy, and cuticular hydrocarbons of S. peregrina during the intra-puparial period were used to estimate age. The results indicated that S. peregrina at fluctuating temperatures took longer to develop and had a lower pupariation rate, eclosion rate, and pupal weight than the group at constant temperatures did. Moreover, we found that six DEG expression profiles and ATR-FTIR technology, CHCs detection methods, and chemometrics can potentially estimate the intra-puparial age of S. peregrina at both constant and fluctuating temperatures. The findings of the study support the use of S. peregrina for PMImin estimation and encourage the use of entomological evidence in forensic practice.
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Affiliation(s)
- Yanjie Shang
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha 410013, China
| | - Fengqin Yang
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha 410013, China
| | - Fernand Jocelin Ngando
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha 410013, China
| | - Xiangyan Zhang
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha 410013, China
| | - Yakai Feng
- Department of Forensic Medicine, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi 830017, China
| | - Lipin Ren
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha 410013, China
| | - Yadong Guo
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha 410013, China
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Zhang X, Bai Y, Ngando FJ, Qu H, Shang Y, Ren L, Guo Y. Predicting the Weathering Time by the Empty Puparium of Sarcophaga peregrina (Diptera: Sarcophagidae) with the ANN Models. INSECTS 2022; 13:insects13090808. [PMID: 36135509 PMCID: PMC9502838 DOI: 10.3390/insects13090808] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/20/2022] [Accepted: 08/30/2022] [Indexed: 06/01/2023]
Abstract
Empty puparium are frequently collected at crime scenes and may provide valuable evidence in cases with a long postmortem interval (PMI). Here, we collected the puparium of Sarcophaga peregrina (Diptera: Sarcophagidae) (Robineau-Desvoidy, 1830) for 120 days at three temperatures (10 °C, 25 °C, and 40 °C) with the aim to estimate the weathering time of empty puparium. The CHC profiles were analyzed by gas chromatography-mass spectrometry (GC-MS). The partial least squares (PLS), support vector regression (SVR), and artificial neural network (ANN) models were used to estimate the weathering time. This identified 49 CHCs with a carbon chain length between 10 and 33 in empty puparium. The three models demonstrate that the variation tendency of hydrocarbon could be used to estimate the weathering time, while the ANN models show the best predictive ability among these three models. This work indicated that puparial hydrocarbon weathering has certain regularity with weathering time and can gain insight into estimating PMI in forensic investigations.
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Affiliation(s)
- Xiangyan Zhang
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha 410013, China
| | - Yang Bai
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha 410013, China
| | - Fernand Jocelin Ngando
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha 410013, China
| | - Hongke Qu
- School of Basic Medical Sciences, Central South University, Changsha 410013, China
| | - Yanjie Shang
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha 410013, China
| | - Lipin Ren
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha 410013, China
| | - Yadong Guo
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha 410013, China
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Zhang X, Shang Y, Ren L, Qu H, Zhu G, Guo Y. A Study of Cuticular Hydrocarbons of All Life Stages in Sarcophaga peregrina (Diptera: Sarcophagidae). JOURNAL OF MEDICAL ENTOMOLOGY 2022; 59:108-119. [PMID: 34668022 DOI: 10.1093/jme/tjab172] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Indexed: 02/05/2023]
Abstract
Sarcophaga peregrina (Robineau-Desvoidy, 1830), a synanthropic flesh fly species found in different parts of the world, is of medical and forensic importance. Traditional methods of inferring developmental age rely on the life stage of insects and morphological changes. However, once the larvae reach the pupal and adult stage, morphological changes would become barely visible, so that the classic method would be invalid. Here, we studied the cuticular hydrocarbon profile of S. peregrina of the whole life cycle from larval stage to adult stage by GC-MS. Sixty-three compounds with carbon chain length ranging from 8 to 36 were detected, which could be categorized into four classes: n-alkanes, branched alkanes, alkenes, and unknowns. As developmental increased, branched alkanes dominant, and the content of high-molecular-weight hydrocarbons is variable, especially for 2-methyl C19, DiMethyl C21, docosane (C22), and tricosane (C23). This study shows that the composition of CHC could be used to determine the developmental age of S. peregrina and aid in postmortem interval estimations in forensic science.
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Affiliation(s)
- Xiangyan Zhang
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha, Hunan, China
| | - Yanjie Shang
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha, Hunan, China
| | - Lipin Ren
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha, Hunan, China
| | - Hongke Qu
- Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute and School of Basic Medicine Sciences, Central South University, Changsha, Hunan, China
| | - Guanghui Zhu
- Department of Forensic Medicine, Shantou University Medical College, Shantou, China
| | - Yadong Guo
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha, Hunan, China
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Safdel F, Safa F. Atom-Type-Based AI Topological Indices for Artificial Neural Network Modeling of Retention Indices of Monomethylalkanes. J Chromatogr Sci 2019; 57:1-8. [PMID: 30169788 DOI: 10.1093/chromsci/bmy081] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Indexed: 11/14/2022]
Abstract
In this work, a combination of Xu and atom-type-based AI topological indices (TIs) were employed for quantitative structure-retention relationship (QSRR) study of monomethylalkanes (MMAs). A total of 196 temperature-programmed gas chromatographic retention indices corresponding to all C4-C30 MMAs on OV-1 stationary phase have been used in QSRR modeling. Results of the study showed that an artificial neural network (ANN) with 4-9-1 topology and Levenberg-Marquardt training algorithm can predict the retention indices with high degree of accuracy. The statistics of root-mean-square error for the training, validation and test sets were 0.200, 0.316 and 0.215, respectively. The proposed model resulted in a maximum relative error of 0.24% suggesting the TIs as excellent alternative for estimating retention indices of MMAs. According to the obtained results, relative importance of the TIs decreased in the order of AI(-CH3)> AI(-CH2-)> AI(>CH-)> Xu showing significant role of molecular branching, steric factor and molecular size as effective structural features on retention indices of MMAs.
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Affiliation(s)
- Farah Safdel
- Department of Chemistry, Rasht Branch, Islamic Azad University, Rasht, I.R. Iran
| | - Fariba Safa
- Department of Chemistry, Rasht Branch, Islamic Azad University, Rasht, I.R. Iran
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Liu NY, Cay-Durgun P, Lai T, Sprowls M, Thomas L, Lind ML, Forzani E. A Handheld, Colorimetric Optoelectronic Dynamics Analyzer for Measuring Total Ammonia of Biological Samples. IEEE JOURNAL OF TRANSLATIONAL ENGINEERING IN HEALTH AND MEDICINE-JTEHM 2018; 6:2800610. [PMID: 30112251 PMCID: PMC6092083 DOI: 10.1109/jtehm.2018.2840678] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 05/11/2018] [Accepted: 05/20/2018] [Indexed: 12/30/2022]
Abstract
This paper introduces a wireless, solid-state, portable, and automated device capable of measuring the total ammonia [ammonia (NH3) and ammonium (NH4+)] levels of fluids, including biological samples. This device reliably measures the total ammonia of biological samples (e.g., urine) faster than the current ammonia quantification techniques. Medical professionals typically estimate NH4+ levels using error-prone indirect measurement techniques (i.e., urine anion gap), which are time-consuming and are seldom suitable for periodic measurements. Several instantaneous measurements of total ammonia levels in a patient urine could be utilized as an early warning for both acid-base and/or potassium disturbances. Given the device’s operation mechanism, it is able to quantify the total ammonia concentration within a biological sample in only 5 s and can simultaneously transmit data to other devices via Bluetooth. The analytical operation demonstrated high sensitivity, high specificity, fast reversibility, rapid response time, and has enabled the accurate determination of total ammonia concentration in urine samples produced by subjects who had consumed diets of variable protein compositions.
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Affiliation(s)
- Nai-Yuan Liu
- School for Engineering of Matter, Transport, and EnergyArizona State UniversityTempeAZ85287USA.,Center for Bioelectronics and BiosensorsThe Biodesign Institute, Arizona State UniversityTempeAZ85287USA
| | - Pinar Cay-Durgun
- School for Engineering of Matter, Transport, and EnergyArizona State UniversityTempeAZ85287USA
| | - Tianmiao Lai
- School for Engineering of Matter, Transport, and EnergyArizona State UniversityTempeAZ85287USA.,Center for Bioelectronics and BiosensorsThe Biodesign Institute, Arizona State UniversityTempeAZ85287USA
| | - Mark Sprowls
- School for Engineering of Matter, Transport, and EnergyArizona State UniversityTempeAZ85287USA.,Center for Bioelectronics and BiosensorsThe Biodesign Institute, Arizona State UniversityTempeAZ85287USA
| | - Leslie Thomas
- School for Engineering of Matter, Transport, and EnergyArizona State UniversityTempeAZ85287USA.,Mayo Clinic in Arizona Division of NephrologyScottsdaleAZ85259USA
| | - Mary Laura Lind
- School for Engineering of Matter, Transport, and EnergyArizona State UniversityTempeAZ85287USA.,Center for Bioelectronics and BiosensorsThe Biodesign Institute, Arizona State UniversityTempeAZ85287USA.,Mayo Clinic in Arizona Division of NephrologyScottsdaleAZ85259USA
| | - Erica Forzani
- School for Engineering of Matter, Transport, and EnergyArizona State UniversityTempeAZ85287USA.,Center for Bioelectronics and BiosensorsThe Biodesign Institute, Arizona State UniversityTempeAZ85287USA.,Mayo Clinic in Arizona Division of NephrologyScottsdaleAZ85259USA
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The role of cuticular hydrocarbons in mate recognition in Drosophila suzukii. Sci Rep 2018; 8:4996. [PMID: 29567945 PMCID: PMC5864920 DOI: 10.1038/s41598-018-23189-6] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 03/07/2018] [Indexed: 11/25/2022] Open
Abstract
Cuticular hydrocarbons (CHCs) play a central role in the chemical communication of many insects. In Drosophila suzukii, an economically important pest insect, very little is known about chemical communication and the possible role of CHCs. In this study, we identified 60 CHCs of Drosophila suzukii and studied their changes in function of age (maturation), sex and interactions with the opposite sex. We demonstrate that age (maturation) is the key factor driving changes in the CHC profiles. We then test the effect on courtship behaviour and mating of six CHCs, five of which were positively associated with maturation and one negatively. The results of these experiments demonstrate that four of the major CHC peaks with a chain length of 23 carbons, namely 9-tricosene (9-C23:1), 7-tricosene (7-C23:1), 5-tricosene (5-C23:1) and tricosane (n-C23), negatively regulated courtship and mating, even though all these compounds were characteristic for sexually mature flies. We then go on to show that this effect on courtship and mating is likely due to the disruption of the natural ratios in which these hydrocarbons occur in Drosophila suzukii. Overall, these results provide key insights into the cuticular hydrocarbon signals that play a role in D. suzukii mate recognition.
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He D, Simoneit BRT, Jara B, Jaffé R. Occurrence and distribution of monomethylalkanes in the freshwater wetland ecosystem of the Florida Everglades. CHEMOSPHERE 2015; 119:258-266. [PMID: 25033241 DOI: 10.1016/j.chemosphere.2014.06.054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2014] [Revised: 06/16/2014] [Accepted: 06/17/2014] [Indexed: 06/03/2023]
Abstract
A series of mono-methylalkanes (MMAs) with carbon numbers from C10 to C23 and C29 were detected in freshwater wetlands of the Everglades. A decrease in concentration and molecular complexity was observed in the order from periphyton and floc, to surface soil and deeper soil horizons. These compounds were present in varying amounts up to 27 μg gdw(-1) in periphyton, 74 μg gdw(-1) in floc, 1.8 μg gdw(-1) in surface soil, <0.03 μg gdw(-1) in deeper soils (12-15 cm). A total of 46 MMAs, including three iso and three anteiso-alkanes, were identified. Compound specific carbon isotopes values were determined for some dominant MMAs, and suggest that they originate from microbial sources, including cyanobacteria. Potential decarboxylation from fatty acids could also potentially contribute to the MMAs detected. Early diagenetic degradation was suggested to affect the accumulation of MMAs in soils and further studies are needed to address their applications as biomarkers.
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Affiliation(s)
- Ding He
- Department of Chemistry & Biochemistry, Florida International University, Marine Science Program, 3000 NE 151 Street, MSB 250C, North Miami, FL 33181, USA; Southeast Environmental Research Center, Florida International University, 11200 SW 8th Street, Miami, FL 33199, USA.
| | - Bernd R T Simoneit
- Department of Chemistry, Oregon State University, Corvallis, OR 97331, USA
| | - Blanca Jara
- Department of Chemistry & Biochemistry, Florida International University, Marine Science Program, 3000 NE 151 Street, MSB 250C, North Miami, FL 33181, USA; Southeast Environmental Research Center, Florida International University, 11200 SW 8th Street, Miami, FL 33199, USA
| | - Rudolf Jaffé
- Department of Chemistry & Biochemistry, Florida International University, Marine Science Program, 3000 NE 151 Street, MSB 250C, North Miami, FL 33181, USA; Southeast Environmental Research Center, Florida International University, 11200 SW 8th Street, Miami, FL 33199, USA
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Hengerics Szabó A, Podolec P, Ferenczy V, Kubinec R, Blaško J, Soják L, Górová R, Addová G, Ostrovský I, Višňovský J, Bierhanzl V, Čabala R, Amann A. The analysis of linear and monomethylalkanes in exhaled breath samples by GC×GC-FID and GC–MS/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2015; 978-979:62-9. [DOI: 10.1016/j.jchromb.2014.11.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 10/28/2014] [Accepted: 11/24/2014] [Indexed: 12/25/2022]
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Amann A, Corradi M, Mazzone P, Mutti A. Lung cancer biomarkers in exhaled breath. Expert Rev Mol Diagn 2014; 11:207-17. [DOI: 10.1586/erm.10.112] [Citation(s) in RCA: 131] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Schwander T, Arbuthnott D, Gries R, Gries G, Nosil P, Crespi BJ. Hydrocarbon divergence and reproductive isolation in Timema stick insects. BMC Evol Biol 2013; 13:151. [PMID: 23855797 PMCID: PMC3728149 DOI: 10.1186/1471-2148-13-151] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2012] [Accepted: 07/12/2013] [Indexed: 01/06/2023] Open
Abstract
Background Individuals commonly prefer certain trait values over others when choosing their mates. If such preferences diverge between populations, they can generate behavioral reproductive isolation and thereby contribute to speciation. Reproductive isolation in insects often involves chemical communication, and cuticular hydrocarbons, in particular, serve as mate recognition signals in many species. We combined data on female cuticular hydrocarbons, interspecific mating propensity, and phylogenetics to evaluate the role of cuticular hydrocarbons in diversification of Timema walking-sticks. Results Hydrocarbon profiles differed substantially among the nine analyzed species, as well as between partially reproductively-isolated T. cristinae populations adapted to different host plants. In no-choice trials, mating was more likely between species with similar than divergent hydrocarbon profiles, even after correcting for genetic divergences. The macroevolution of hydrocarbon profiles, along a Timema species phylogeny, fits best with a punctuated model of phenotypic change concentrated around speciation events, consistent with change driven by selection during the evolution of reproductive isolation. Conclusion Altogether, our data indicate that cuticular hydrocarbon profiles vary among Timema species and populations, and that most evolutionary change in hydrocarbon profiles occurs in association with speciation events. Similarities in hydrocarbon profiles between species are correlated with interspecific mating propensities, suggesting a role for cuticular hydrocarbon profiles in mate choice and speciation in the genus Timema.
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Affiliation(s)
- Tanja Schwander
- Center for Ecological and Evolutionary Studies, University of Groningen, Groningen, The Netherlands.
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Zhang L, Tang C, Cao D, Zeng Y, Tan B, Zeng M, Fan W, Xiao H, Liang Y. Strategies for structure elucidation of small molecules using gas chromatography-mass spectrometric data. Trends Analyt Chem 2013. [DOI: 10.1016/j.trac.2013.02.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Kubinec R, Blaško J, Górová R, Addová G, Ostrovský I, Amann A, Soják L. Equivalent chain lengths of all C4–C23 saturated monomethyl branched fatty acid methyl esters on methylsilicone OV-1 stationary phase. J Chromatogr A 2011; 1218:1767-74. [DOI: 10.1016/j.chroma.2011.01.065] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2010] [Revised: 01/18/2011] [Accepted: 01/20/2011] [Indexed: 11/28/2022]
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Shuster G, Gallimidi Z, Reiss AH, Dovgolevsky E, Billan S, Abdah-Bortnyak R, Kuten A, Engel A, Shiban A, Tisch U, Haick H. Classification of breast cancer precursors through exhaled breath. Breast Cancer Res Treat 2010; 126:791-6. [PMID: 21190078 DOI: 10.1007/s10549-010-1317-x] [Citation(s) in RCA: 78] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2010] [Accepted: 12/16/2010] [Indexed: 12/20/2022]
Abstract
Certain benign breast diseases are considered to be precursors of invasive breast cancer. Currently available techniques for diagnosing benign breast conditions lack accuracy. The purpose of this study was to deliver a proof-of-concept for a novel method that is based on breath testing to identify breast cancer precursors. Within this context, the authors explored the possibility of using exhaled alveolar breath to identify and distinguish between benign breast conditions, malignant lesions, and healthy states, using a small-scale, case-controlled, cross-sectional clinical trial. Breath samples were collected from 36 volunteers and were analyzed using a tailor-made nanoscale artificial NOSE (NA-NOSE). The NA-NOSE signals were analyzed using two independent methods: (i) principal component analysis, ANOVA and Student's t-test and (ii) support vector machine analysis to detect statistically significant differences between the sub-populations. The NA-NOSE could distinguish between all studied test populations. Breath testing with a NA-NOSE holds future potential as a cost-effective, fast, and reliable diagnostic test for breast cancer risk factors and precursors, with possible future potential as screening method.
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Affiliation(s)
- Gregory Shuster
- The Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion-Israel Institute of Technology, 32000 Haifa, Israel
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Zhang L, Liang Y. Dissimilarity analysis and automatic identification of monomethylalkanes from gas chromatography mass spectrometry data 1. Principle and protocols. J Chromatogr A 2009; 1216:5272-83. [DOI: 10.1016/j.chroma.2009.04.089] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2009] [Revised: 04/01/2009] [Accepted: 04/28/2009] [Indexed: 10/20/2022]
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