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Takallu S, Aiyelabegan HT, Zomorodi AR, Alexandrovna KV, Aflakian F, Asvar Z, Moradi F, Behbahani MR, Mirzaei E, Sarhadi F, Vakili-Ghartavol R. Nanotechnology improves the detection of bacteria: Recent advances and future perspectives. Heliyon 2024; 10:e32020. [PMID: 38868076 PMCID: PMC11167352 DOI: 10.1016/j.heliyon.2024.e32020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/23/2024] [Accepted: 05/27/2024] [Indexed: 06/14/2024] Open
Abstract
Nanotechnology has advanced significantly, particularly in biomedicine, showing promise for nanomaterial applications. Bacterial infections pose persistent public health challenges due to the lack of rapid pathogen detection methods, resulting in antibiotic overuse and bacterial resistance, threatening the human microbiome. Nanotechnology offers a solution through nanoparticle-based materials facilitating early bacterial detection and combating resistance. This study explores recent research on nanoparticle development for controlling microbial infections using various nanotechnology-driven detection methods. These approaches include Surface Plasmon Resonance (SPR) Sensors, Surface-Enhanced Raman Scattering (SERS) Sensors, Optoelectronic-based sensors, Bacteriophage-Based Sensors, and nanotechnology-based aptasensors. These technologies provide precise bacteria detection, enabling targeted treatment and infection prevention. Integrating nanoparticles into detection approaches holds promise for enhancing patient outcomes and mitigating harmful bacteria spread in healthcare settings.
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Affiliation(s)
- Sara Takallu
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Abolfazl Rafati Zomorodi
- Department of Bacteriology & Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Fatemeh Aflakian
- Department of Pathobiology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Zahra Asvar
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Farhad Moradi
- Department of Bacteriology & Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mahrokh Rajaee Behbahani
- Department of Bacteriology & Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Esmaeil Mirzaei
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Firoozeh Sarhadi
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Roghayyeh Vakili-Ghartavol
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
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Żuchowska K, Filipiak W. Modern approaches for detection of volatile organic compounds in metabolic studies focusing on pathogenic bacteria: Current state of the art. J Pharm Anal 2024; 14:100898. [PMID: 38634063 PMCID: PMC11022102 DOI: 10.1016/j.jpha.2023.11.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 10/03/2023] [Accepted: 11/15/2023] [Indexed: 04/19/2024] Open
Abstract
Pathogenic microorganisms produce numerous metabolites, including volatile organic compounds (VOCs). Monitoring these metabolites in biological matrices (e.g., urine, blood, or breath) can reveal the presence of specific microorganisms, enabling the early diagnosis of infections and the timely implementation of targeted therapy. However, complex matrices only contain trace levels of VOCs, and their constituent components can hinder determination of these compounds. Therefore, modern analytical techniques enabling the non-invasive identification and precise quantification of microbial VOCs are needed. In this paper, we discuss bacterial VOC analysis under in vitro conditions, in animal models and disease diagnosis in humans, including techniques for offline and online analysis in clinical settings. We also consider the advantages and limitations of novel microextraction techniques used to prepare biological samples for VOC analysis, in addition to reviewing current clinical studies on bacterial volatilomes that address inter-species interactions, the kinetics of VOC metabolism, and species- and drug-resistance specificity.
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Affiliation(s)
- Karolina Żuchowska
- Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-089 Bydgoszcz, Poland
| | - Wojciech Filipiak
- Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-089 Bydgoszcz, Poland
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Wang Y, Wang X, Huang Y, Liu C, Yue T, Cao W. Identification and biotransformation analysis of volatile markers during the early stage of Salmonella contamination in chicken. Food Chem 2024; 431:137130. [PMID: 37591139 DOI: 10.1016/j.foodchem.2023.137130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 07/31/2023] [Accepted: 08/07/2023] [Indexed: 08/19/2023]
Abstract
Salmonella is one of the most prevalent foodborne pathogens in poultry and its products. Its rapid detection based on volatile organic compounds (VOC) has been widely accepted. However, the variation in the VOCs of Salmonella-contaminated chicken during the early stage (48 h) remains uncertain. Headspace-SPME-gas chromatography-mass spectrometry (HS-SPME-GC-MS) and headspace-gas chromatography-ion migration spectroscopy (HS-GC-IMS) were used to identify VOCs and their variations after the chicken meat was contaminated with Salmonella. Chemometric and KEGG enrichment analyses were performed to identify VOC markers and their potential metabolic pathways. A total of 64 volatile compounds were detected using HS-GC-IMS, which showed a better differentiation than HS-SPME-GC-MS (45 volatile compounds) based on principal component analysis (PCA) and orthogonal partial least squares-discriminant analysis (OPLS-DA). Fatty acid degradation was the main cause of VOC variation. 2-Propanol, hexadecane, 3-methylbutanol, acetic acid, propyl acetate, acetic acid methyl ester, and 3-butenenitrile were identified as VOC markers in the middle stage of decomposition, and 1-octen-3-ol was recognized as a VOC marker of Salmonella-contaminated chicken during the first 48 h of contamination. This provides a theoretical basis for the study of Salmonella contamination VOC markers in poultry meat.
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Affiliation(s)
- Yin Wang
- Department of Food Science, College of Food Science and Technology, Northwest University (China), Xi'an, Shaanxi 710069, China.
| | - Xian Wang
- Department of Food Science, College of Food Science and Technology, Northwest University (China), Xi'an, Shaanxi 710069, China
| | - Yuanyuan Huang
- Department of Food Science, College of Food Science and Technology, Northwest University (China), Xi'an, Shaanxi 710069, China
| | - Cailing Liu
- Department of Food Science, College of Food Science and Technology, Northwest University (China), Xi'an, Shaanxi 710069, China
| | - Tianli Yue
- Department of Food Science, College of Food Science and Technology, Northwest University (China), Xi'an, Shaanxi 710069, China
| | - Wei Cao
- Department of Food Science, College of Food Science and Technology, Northwest University (China), Xi'an, Shaanxi 710069, China
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Olajide OE, Yi Y, Zheng J, Hamid AM. Strain-Level Discrimination of Bacteria by Liquid Chromatography and Paper Spray Ion Mobility Mass Spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2023; 34:1125-1135. [PMID: 37249401 PMCID: PMC10407911 DOI: 10.1021/jasms.3c00070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Determining bacterial identity at the strain level is critical for public health to enable proper medical treatments and reduce antibiotic resistance. Herein, we used liquid chromatography, ion mobility, and tandem MS (LC-IM-MS/MS) to distinguish Escherichia coli (E. coli) strains. Numerical multivariate statistics (principal component analysis, followed by linear discriminant analysis) showed the capability of this method to perform strain-level discrimination with prediction rates of 96.1% and 100% utilizing the negative and positive ion information, respectively. The tandem MS and LC separation proved effective in discriminating diagnostic lipid isomers in the negative mode, while IM separation was more effective in resolving lipid conformational biomarkers in the positive ion mode. Because of the clinical importance of early detection for rapid medical intervention, a faster technique, paper spray (PS)-IM-MS/MS, was used to discriminate the E. coli strains. The achieved prediction rates of the analysis of E. coli strains by PS-IM-MS/MS were 62.5% and 73.5% in the negative and positive ion modes, respectively. The strategy of numerical data fusion of negative and positive ion data increased the classification rates of PS-IM-MS/MS to 80.5%. Lipid isomers and conformers were detected, which served as strain-indicating biomarkers. The two complementary multidimensional techniques revealed biochemical differences between the E. coli strains confirming the results obtained from comparative genomic analysis. Moreover, the results suggest that PS-IM-MS/MS is a rapid, highly selective, and sensitive method for discriminating bacterial strains in environmental and food samples.
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Affiliation(s)
- Orobola E. Olajide
- Department of Chemistry and Biochemistry, Auburn University, 179 Chemistry Building, Auburn, AL 36849, United States
| | - Yuyan Yi
- Department of Mathematics and Statistics, Auburn University, 221 Roosevelt Concourse, Auburn, AL 36849, United States
| | - Jingyi Zheng
- Department of Mathematics and Statistics, Auburn University, 221 Roosevelt Concourse, Auburn, AL 36849, United States
| | - Ahmed M. Hamid
- Department of Chemistry and Biochemistry, Auburn University, 179 Chemistry Building, Auburn, AL 36849, United States
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5
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Gómez-Mejia A, Arnold K, Bär J, Singh KD, Scheier TC, Brugger SD, Zinkernagel AS, Sinues P. Rapid detection of Staphylococcus aureus and Streptococcus pneumoniae by real-time analysis of volatile metabolites. iScience 2022; 25:105080. [PMID: 36157573 PMCID: PMC9490032 DOI: 10.1016/j.isci.2022.105080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 07/06/2022] [Accepted: 08/31/2022] [Indexed: 11/17/2022] Open
Abstract
Early detection of pathogenic bacteria is needed for rapid diagnostics allowing adequate and timely treatment of infections. In this study, we show that secondary electrospray ionization–high resolution mass spectrometry (SESI-HRMS) can be used as a diagnostic tool for rapid detection of bacterial infections as a supportive system for current state-of-the-art diagnostics. Volatile organic compounds (VOCs) produced by growing S. aureus or S. pneumoniae cultures on blood agar plates were detected within minutes and allowed for the distinction of these two bacteria on a species and even strain level within hours. Furthermore, we obtained a fingerprint of clinical patient samples within minutes of measurement and predominantly observed a separation of samples containing live bacteria compared to samples with no bacterial growth. Further development of this technique may reduce the time required for microbiological diagnosis and should help to improve patient’s tailored treatment. Real-time mass spectrometry shows potential as a tool for microbiological diagnosis Bacterial volatile metabolites from 1 × 103 CFUs are detected within minutes S. aureus and S. pneumoniae can be distinguished on species and even strain level Complex clinical samples cluster according to presence or absence of viable bacteria
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Affiliation(s)
- Alejandro Gómez-Mejia
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zürich, 8091 Zurich, Switzerland
| | - Kim Arnold
- University Children's Hospital Basel (UKBB), 4056 Basel, Switzerland.,Department of Biomedical Engineering, University of Basel, 4123 Allschwil, Switzerland
| | - Julian Bär
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zürich, 8091 Zurich, Switzerland
| | - Kapil Dev Singh
- University Children's Hospital Basel (UKBB), 4056 Basel, Switzerland.,Department of Biomedical Engineering, University of Basel, 4123 Allschwil, Switzerland
| | - Thomas C Scheier
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zürich, 8091 Zurich, Switzerland
| | - Silvio D Brugger
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zürich, 8091 Zurich, Switzerland
| | - Annelies S Zinkernagel
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zürich, 8091 Zurich, Switzerland
| | - Pablo Sinues
- University Children's Hospital Basel (UKBB), 4056 Basel, Switzerland.,Department of Biomedical Engineering, University of Basel, 4123 Allschwil, Switzerland
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Blood Culture Headspace Gas Analysis Enables Early Detection of Escherichia coli Bacteremia in an Animal Model of Sepsis. Antibiotics (Basel) 2022; 11:antibiotics11080992. [PMID: 35892382 PMCID: PMC9331843 DOI: 10.3390/antibiotics11080992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 12/04/2022] Open
Abstract
(1) Background: Automated blood culture headspace analysis for the detection of volatile organic compounds of microbial origin (mVOC) could be a non-invasive method for bedside rapid pathogen identification. We investigated whether analyzing the gaseous headspace of blood culture (BC) bottles through gas chromatography-ion mobility spectrometry (GC-IMS) enables differentiation of infected and non-infected; (2) Methods: BC were gained out of a rabbit model, with sepsis induced by intravenous administration of E. coli (EC group; n = 6) and control group (n = 6) receiving sterile LB medium intravenously. After 10 h, a pair of blood cultures was obtained and incubated for 36 h. The headspace from aerobic and anaerobic BC was sampled every two hours using an autosampler and analyzed using a GC-IMS device. MALDI-TOF MS was performed to confirm or exclude microbial growth in BCs; (3) Results: Signal intensities (SI) of 113 mVOC peak regions were statistically analyzed. In 24 regions, the SI trends differed between the groups and were considered to be useful for differentiation. The principal component analysis showed differentiation between EC and control group after 6 h, with 62.2% of the data variance described by the principal components 1 and 2. Single peak regions, for example peak region P_15, show significant SI differences after 6 h in the anaerobic environment (p < 0.001) and after 8 h in the aerobic environment (p < 0.001); (4) Conclusions: The results are promising and warrant further evaluation in studies with an extended microbial panel and indications concerning its transferability to human samples.
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Kuil SD, Hidad S, Schneeberger C, Singh P, Rhodes P, de Jong MD, Visser CE. Susceptibility Testing by Volatile Organic Compound Detection Direct from Positive Blood Cultures: A Proof-of-Principle Laboratory Study. Antibiotics (Basel) 2022; 11:antibiotics11060705. [PMID: 35740111 PMCID: PMC9220186 DOI: 10.3390/antibiotics11060705] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/17/2022] [Accepted: 05/18/2022] [Indexed: 12/23/2022] Open
Abstract
Background: Bacteria produce volatile organic compounds (VOCs) during growth, which can be detected by colorimetric sensor arrays (CSAs). The SpecifAST® system (Specific Diagnostics) employs this technique to enable antibiotic susceptibility testing (AST) directly from blood cultures without prior subculture of isolates. The aim of this study was to compare the SpecifAST® AST results and analysis time to the VITEK®2 (bioMérieux) system. Methods: In a 12-month single site prospective study, remnants of clinical positive monomicrobial blood cultures were combined with a series of antibiotic concentrations. Volatile emission was monitored at 37 °C via CSAs. Minimal Inhibitory Concentrations (MICs) of seven antimicrobial agents for Enterobacterales, Staphylococcus, and Enterococcus spp. were compared to VITEK®2 AST results. MICs were interpreted according to EUCAST clinical breakpoints. Performance was assessed by calculating agreement and discrepancy rates. Results: In total, 96 positive blood cultures containing Enterobacterales, Staphylococcus, and Enterococcus spp. were tested (269 bug–drug combinations). The categorical agreement of the SpecifAST® system compared to the VITEK®2 system was 100% and 91% for Gram-negatives and Gram-positives, respectively. Errors among Gram-positives were from coagulase-negative staphylococci. Overall results were available in 3.1 h (±0.9 h) after growth detection without the need for subculture steps. Conclusion: The AST results based on VOC detection are promising and warrant further evaluation in studies with a larger sample of bacterial species and antimicrobials.
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Affiliation(s)
- Sacha Daniëlle Kuil
- Department of Medical Microbiology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (S.H.); (C.S.); (M.D.d.J.); (C.E.V.)
- Correspondence: ; Tel.: +312-0566-7625
| | - Soemeja Hidad
- Department of Medical Microbiology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (S.H.); (C.S.); (M.D.d.J.); (C.E.V.)
| | - Caroline Schneeberger
- Department of Medical Microbiology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (S.H.); (C.S.); (M.D.d.J.); (C.E.V.)
| | - Pragya Singh
- Specific Diagnostics, San Jose, CA 95134, USA; (P.S.); (P.R.)
| | - Paul Rhodes
- Specific Diagnostics, San Jose, CA 95134, USA; (P.S.); (P.R.)
| | - Menno Douwe de Jong
- Department of Medical Microbiology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (S.H.); (C.S.); (M.D.d.J.); (C.E.V.)
| | - Caroline Elisabeth Visser
- Department of Medical Microbiology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (S.H.); (C.S.); (M.D.d.J.); (C.E.V.)
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8
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Arora M, Zambrzycki SC, Levy JM, Esper A, Frediani JK, Quave CL, Fernández FM, Kamaleswaran R. Machine Learning Approaches to Identify Discriminative Signatures of Volatile Organic Compounds (VOCs) from Bacteria and Fungi Using SPME-DART-MS. Metabolites 2022; 12:metabo12030232. [PMID: 35323675 PMCID: PMC8953436 DOI: 10.3390/metabo12030232] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/03/2022] [Accepted: 03/04/2022] [Indexed: 12/24/2022] Open
Abstract
Point-of-care screening tools are essential to expedite patient care and decrease reliance on slow diagnostic tools (e.g., microbial cultures) to identify pathogens and their associated antibiotic resistance. Analysis of volatile organic compounds (VOC) emitted from biological media has seen increased attention in recent years as a potential non-invasive diagnostic procedure. This work explores the use of solid phase micro-extraction (SPME) and ambient plasma ionization mass spectrometry (MS) to rapidly acquire VOC signatures of bacteria and fungi. The MS spectrum of each pathogen goes through a preprocessing and feature extraction pipeline. Various supervised and unsupervised machine learning (ML) classification algorithms are trained and evaluated on the extracted feature set. These are able to classify the type of pathogen as bacteria or fungi with high accuracy, while marked progress is also made in identifying specific strains of bacteria. This study presents a new approach for the identification of pathogens from VOC signatures collected using SPME and ambient ionization MS by training classifiers on just a few samples of data. This ambient plasma ionization and ML approach is robust, rapid, precise, and can potentially be used as a non-invasive clinical diagnostic tool for point-of-care applications.
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Affiliation(s)
- Mehak Arora
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Department of Biomedical Informatics, Emory University School of Medicine, Atlanta, GA 30332, USA;
- Correspondence: ; Tel.: +1-(470)-815-1555
| | - Stephen C. Zambrzycki
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, USA; (S.C.Z.); (F.M.F.)
| | - Joshua M. Levy
- Department of Otolaryngology—Head and Neck Surgery, Emory University School of Medicine, Atlanta, GA 30332, USA;
| | - Annette Esper
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Emory University School of Medicine, Atlanta, GA 30332, USA;
- Emory Critical Care Center, Emory University School of Medicine, Atlanta, GA 30332, USA
| | - Jennifer K. Frediani
- Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, GA 30332, USA;
| | - Cassandra L. Quave
- Department of Dermatology, Emory University School of Medicine, Atlanta, GA 30332, USA;
- Center for the Study of Human Health, Emory College of Arts and Sciences, Atlanta, GA 30332, USA
| | - Facundo M. Fernández
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, USA; (S.C.Z.); (F.M.F.)
| | - Rishikesan Kamaleswaran
- Department of Biomedical Informatics, Emory University School of Medicine, Atlanta, GA 30332, USA;
- Emory Critical Care Center, Emory University School of Medicine, Atlanta, GA 30332, USA
- Department of Emergency Medicine, Emory University School of Medicine, Atlanta, GA 30332, USA
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