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Geng Y, Peveler WJ, Rotello VM. Array-based "Chemical Nose" Sensing in Diagnostics and Drug Discovery. Angew Chem Int Ed Engl 2019; 58:5190-5200. [PMID: 30347522 PMCID: PMC6800156 DOI: 10.1002/anie.201809607] [Citation(s) in RCA: 115] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Indexed: 12/29/2022]
Abstract
Array-based sensor "chemical nose/tongue" platforms are inspired by the mammalian olfactory system. Multiple sensor elements in these devices selectively interact with target analytes, producing a distinct pattern of response and enabling analyte identification. This approach offers unique opportunities relative to "traditional" highly specific sensor elements such as antibodies. Array-based sensors excel at distinguishing small changes in complex mixtures, and this capability is being leveraged for chemical biology studies and clinical pathology, enabled by a diverse toolkit of new molecular, bioconjugate and nanomaterial technologies. Innovation in the design and analysis of arrays provides a robust set of tools for advancing biomedical goals, including precision medicine.
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Affiliation(s)
- Yingying Geng
- Molecular and Cellular Biology Program, University of Massachusetts Amherst, 710 N. Pleasant St., Amherst MA 01003, U.S.A
- Department of Chemistry, University of Massachusetts Amherst, 710 N. Pleasant St., Amherst MA 01003, U.S.A
| | - William J. Peveler
- Division of Biomedical Engineering, School of Engineering, University of Glasgow, Glasgow G12 8LT, U.K
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Vincent M. Rotello
- Department of Chemistry, University of Massachusetts Amherst, 710 N. Pleasant St., Amherst MA 01003, U.S.A
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2
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Geng Y, Peveler WJ, Rotello VM. Array‐basierte Sensorik mit der “chemischen Nase” in der Diagnostik und Wirkstoffentdeckung. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201809607] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yingying Geng
- Molecular and Cellular Biology ProgramUniversity of Massachusetts Amherst 710 N. Pleasant St. Amherst MA 01003 USA
- Department of ChemistryUniversity of Massachusetts Amherst 710 N. Pleasant St. Amherst MA 01003 USA
| | - William J. Peveler
- Division of Biomedical EngineeringSchool of EngineeringUniversity of Glasgow Glasgow G12 8LT Großbritannien
- Department of ChemistryUniversity of British Columbia 2036 Main Mall Vancouver British Columbia V6T 1Z1 Kanada
| | - Vincent M. Rotello
- Department of ChemistryUniversity of Massachusetts Amherst 710 N. Pleasant St. Amherst MA 01003 USA
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Yan P, Li X, Dong Y, Li B, Wu Y. A pH-based sensor array for the detection and identification of proteins using CdSe/ZnS quantum dots as an indicator. Analyst 2019; 144:2891-2897. [DOI: 10.1039/c8an02285b] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A novel and simple fluorescence sensor array was developed for the detection and identification of proteins using pH buffer solutions as sensing elements.
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Affiliation(s)
- Peng Yan
- Key Laboratory of Biomedical Information Engineering of Ministry of Education
- School of Life Science and Technology
- Xi'an Jiaotong University
- Xi'an
- PR China
| | - Xizhe Li
- Key Laboratory of Biomedical Information Engineering of Ministry of Education
- School of Life Science and Technology
- Xi'an Jiaotong University
- Xi'an
- PR China
| | - Yanhua Dong
- Key Laboratory of Biomedical Information Engineering of Ministry of Education
- School of Life Science and Technology
- Xi'an Jiaotong University
- Xi'an
- PR China
| | - Bingyu Li
- Key Laboratory of Biomedical Information Engineering of Ministry of Education
- School of Life Science and Technology
- Xi'an Jiaotong University
- Xi'an
- PR China
| | - Yayan Wu
- Key Laboratory of Biomedical Information Engineering of Ministry of Education
- School of Life Science and Technology
- Xi'an Jiaotong University
- Xi'an
- PR China
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4
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Li Z, Askim JR, Suslick KS. The Optoelectronic Nose: Colorimetric and Fluorometric Sensor Arrays. Chem Rev 2018; 119:231-292. [DOI: 10.1021/acs.chemrev.8b00226] [Citation(s) in RCA: 476] [Impact Index Per Article: 79.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zheng Li
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Jon R. Askim
- National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Kenneth S. Suslick
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
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Johnson SS, Anslyn EV, Graham HV, Mahaffy PR, Ellington AD. Fingerprinting Non-Terran Biosignatures. ASTROBIOLOGY 2018; 18:915-922. [PMID: 29634318 PMCID: PMC6067094 DOI: 10.1089/ast.2017.1712] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Accepted: 12/31/2017] [Indexed: 05/05/2023]
Abstract
Most strategies for life detection rely upon finding features known to be associated with terran life, such as particular classes of molecules. But life may be vastly different on other planets and moons, particularly as we expand our efforts to explore ocean worlds like Europa and Enceladus. We propose a new concept for life detection that harnesses the power of DNA sequencing to yield intricate informatics fingerprints, even for life that is not nucleic acid-based. The concept is based on the fact that folded nucleic acid structures (aptamers) have been shown to be capable of binding a wide variety of compounds, whether inorganic, organic, or polymeric, and irrespective of being from a biotic or abiotic source. Each nucleic acid sequence can be thought of as a code, and a combination of codes as a "fingerprint." Over multiple analytes, the "fingerprint" of a non-terran sample can be analyzed by chemometric protocols to provide a classifier of molecular patterns and complexity. Ultimately the chemometric fingerprints of living systems, which may differ significantly from nonliving systems, could provide an empirical, agnostic means of detecting life. Because nucleic acids are exponentially amplified by the polymerase chain reaction, even very small input signals could be translated into a robust readable output. The derived sequences could be identified by a small, portable sequencing device or by capture and optical imaging on a DNA microarray. Without presupposing any particular molecular framework, this agnostic approach to life detection could be used from Mars to the far reaches of the Solar System, all within the framework of an instrument drawing little heat and power. Key Words: Agnostic biosignatures-Astrobiology-Chemometrics-DNA sequencing-Life detection-Proximity ligation assay. Astrobiology 18, 915-922.
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Affiliation(s)
- Sarah S. Johnson
- Department of Biology, Georgetown University, Washington, DC
- Science, Technology, and International Affairs Program, Georgetown University, Washington, DC
| | - Eric V. Anslyn
- Department of Chemistry, The University of Texas at Austin, Austin, Texas
| | - Heather V. Graham
- Solar System Exploration Division, NASA Goddard Space Flight Center, Greenbelt, Maryland
| | - Paul R. Mahaffy
- Solar System Exploration Division, NASA Goddard Space Flight Center, Greenbelt, Maryland
| | - Andrew D. Ellington
- Institute for Cell and Molecular Biology, The University of Texas at Austin, Austin, Texas
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6
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Small molecule detection with aptamer based lateral flow assays: Applying aptamer-C-reactive protein cross-recognition for ampicillin detection. Sci Rep 2018; 8:5628. [PMID: 29618771 PMCID: PMC5884802 DOI: 10.1038/s41598-018-23963-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 03/21/2018] [Indexed: 01/12/2023] Open
Abstract
Aptamer-based lateral flow assays (LFAs) are an emerging field of aptamer applications due to numerous potential applications. When compared to antibodies, potential advantages like cost effectiveness or lower batch to batch variations are evident. The development of LFAs for small molecules, however, is still challenging due to several reasons, primarily linked to target size and accessible interaction sites. In small molecule analysis, however, aptamers in many cases are preferable since immunogenicity is not required and they may exhibit even higher target selectivity. We report the first cross-recognition of a small molecule (ampicillin) and a protein (C-reactive protein), predicted by in-silico analysis, then experimentally confirmed - using two different aptamers. These features can be exploited for developing an aptamer-based LFA for label-free ampicillin detection, functioning also for analysis in milk extract. Most importantly, the principal setup denotes a novel, transferable and versatile general approach for detection of small molecules using competitive LFAs, unlikely to be generally realized by aptamer-DNA-binding otherwise.
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Tagit O, Hildebrandt N. Fluorescence Sensing of Circulating Diagnostic Biomarkers Using Molecular Probes and Nanoparticles. ACS Sens 2017; 2:31-45. [PMID: 28722447 DOI: 10.1021/acssensors.6b00625] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The interplay of photonics, nanotechnology, and biochemistry has significantly improved the identification and characterization of multiple types of biomarkers by optical biosensors. Great achievements in fluorescence-based technologies have been realized, for example, by the advancement of multiplexing techniques or the introduction of nanoparticles to biochemical and clinical research. This review presents a concise overview of recent advances in fluorescence sensing techniques for the detection of circulating disease biomarkers. Detection principles of representative approaches, including fluorescence detection using molecular fluorophores, quantum dots, and metallic and silica nanoparticles, are explained and illustrated by pertinent examples from the recent literature. Advanced detection technologies and material development play a major role in modern biosensing and consistently provide significant improvements toward robust, sensitive, and versatile platforms for early detection of circulating diagnostic biomarkers.
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Affiliation(s)
- Oya Tagit
- NanoBioPhotonics
(nanofret.com), Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, Université Paris-Sud, CNRS, CEA, 91405 Orsay, France
- Department
of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 6500 HB Nijmegen, The Netherlands
| | - Niko Hildebrandt
- NanoBioPhotonics
(nanofret.com), Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, Université Paris-Sud, CNRS, CEA, 91405 Orsay, France
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Goodwin S, Gade AM, Byrom M, Herrera B, Spears C, Anslyn EV, Ellington AD. Next-generation sequencing as input for chemometrics in differential sensing routines. Angew Chem Int Ed Engl 2015; 54:6339-42. [PMID: 25826754 PMCID: PMC4426058 DOI: 10.1002/anie.201501822] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Indexed: 12/21/2022]
Abstract
Differential sensing (DS) methods traditionally use spatially arrayed receptors and optical signals to create score plots from multivariate data which classify individual analytes or complex mixtures. Herein, a new approach is described, in which nucleic acid sequences and sequence counts are used as the multivariate data without the necessity of a spatial array. To demonstrate this approach to DS, previously selected aptamers, identified from the literature, were used as semi-specific receptors, Next-Gen DNA sequencing was used to generate data, and cell line differentiation was the test-bed application. The study of a principal component analysis loading plot revealed cross-reactivity between the aptamers. The technique generates high-dimensionality score plots, and should be applicable to any mixture of complex and subtly different analytes for which nucleic acid-based receptors exist.
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Affiliation(s)
- Sara Goodwin
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY (USA)
| | - Alexandra M Gade
- Department of Chemistry A1590, The University of Texas at Austin, Austin, TX 78712 (USA)
| | - Michelle Byrom
- Institute for Cell and Molecular Biology, The University of Texas at Austin, Austin, TX 78712 (USA)
| | - Baine Herrera
- Institute for Cell and Molecular Biology, The University of Texas at Austin, Austin, TX 78712 (USA)
| | - Camille Spears
- Institute for Cell and Molecular Biology, The University of Texas at Austin, Austin, TX 78712 (USA)
| | - Eric V Anslyn
- Department of Chemistry A1590, The University of Texas at Austin, Austin, TX 78712 (USA).
| | - Andrew D Ellington
- Institute for Cell and Molecular Biology, The University of Texas at Austin, Austin, TX 78712 (USA).
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Goodwin S, Gade AM, Byrom M, Herrera B, Spears C, Anslyn EV, Ellington AD. Next-Generation Sequencing as Input for Chemometrics in Differential Sensing Routines. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201501822] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Bengtson HN, Kolpashchikov DM. A differential fluorescent receptor for nucleic acid analysis. Chembiochem 2014; 15:228-31. [PMID: 24339354 PMCID: PMC4066444 DOI: 10.1002/cbic.201300657] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2013] [Indexed: 01/28/2023]
Abstract
Differential receptors use an array of sensors to recognize analytes. Each sensor in the array can recognize not one, but several analytes with different rates, so a single analyte triggers a response of several sensors in the array. The receptor thus produces a pattern of signals that is unique for each analyte, thereby enabling identification of a specific analyte by producing a "fingerprint" pattern. We applied this approach for the analysis of DNA sequences of Mycobacterium tuberculosis strains that differ by single nucleotide substitutions in the 81-bp hot-spot region that imparts rifampin resistance. The technology takes advantage of the new multicomponent, selfassembling sensor, which produces a fluorescent signal in the presence of specific DNA sequences. A differential fluorescent receptor (DFR) contained an array of three such sensors and differentiated at least eight DNA sequences. The approach requires only one molecular-beacon-like fluorescent reporter, which can be used by all three sensors. The DFR developed in this study represents a cost-efficient alternative to molecular diagnostic technologies that use fluorescent hybridization probes.
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Affiliation(s)
- Hillary N. Bengtson
- Chemistry Department and Burnett School of Biomedical Sciences University of Central Florida 4000 Central Florida Blvd, Orlando, FL 32816 (USA)
| | - Dmitry M. Kolpashchikov
- Chemistry Department and Burnett School of Biomedical Sciences University of Central Florida 4000 Central Florida Blvd, Orlando, FL 32816 (USA)
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Stewart S, Ivy MA, Anslyn EV. The use of principal component analysis and discriminant analysis in differential sensing routines. Chem Soc Rev 2013; 43:70-84. [PMID: 23995750 DOI: 10.1039/c3cs60183h] [Citation(s) in RCA: 224] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Statistical analysis techniques such as principal component analysis (PCA) and discriminant analysis (DA) have become an integral part of data analysis for differential sensing. These multivariate statistical tools, while extremely versatile and useful, are sometimes used as "black boxes". Our aim in this paper is to improve the general understanding of how PCA and DA process and display differential sensing data, which should lead to the ability to better interpret the final results. With various sets of model data, we explore several topics, such as how to choose an appropriate number of hosts for an array, selectivity compared to cross-reactivity, when to add hosts, how to obtain the best visually representative plot of a data set, and when arrays are not necessary. We also include items at the end of the paper as general recommendations which readers can follow when using PCA or DA in a practical application. Through this paper we hope to present these statistical analysis methods in a manner such that chemists gain further insight into approaches that optimize the discriminatory power of their arrays.
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Affiliation(s)
- Sara Stewart
- Institute for Cell and Molecular Biology, The University of Texas at Austin, 1 University Station A4800, Austin, Texas 78712, USA
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Abstract
In this research, we used the non-SELEX method to successfully select an aptamer that binds to the protein target (bovine catalase) with a K(D) value in the low micro molar range. The time window was determined for the target and aptamer library by optimizing the buffer conditions using 3 × Tris-glycine-potassium phosphate (TGK) buffer as the run buffer and 1× TGK as the selection buffer to give the biggest complex peak. Fractions were collected by multistep nonequilibrium capillary electrophoresis of equilibrium mixtures (NECEEM)-based partitioning for three rounds of selection. The fractions from each round were enriched using PCR and the progress of selection was monitored using bulk affinity analysis. Fraction 2 was determined to have the optimal bulk affinity (0.75 μM) and this enriched library was cloned and sequenced giving four aptamer sequences. These sequences were verified using affinity capillary electrophoresis (CAT 1 0.237 μM) and fluorescence intensity measurements (CAT 1 0.430 μM). The specificity of the aptamer was also determined by fluorescence intensity measurements. The results showed that the aptamer with the highest binding affinity showed at least a 100-fold decrease in affinity toward four other proteins (i.e. lysozyme, trypsinogen, chymotrypsinogen A, and myoglobin) tested and this confirmed that the aptamer exhibited a distinct specificity toward bovine catalase. This aptamer will be useful in biosensing, Western blot, and biomarker identification.
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Affiliation(s)
- Jon Ashley
- Department of Chemistry, National University of Singapore, Singapore
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Yang KA, Pei R, Stefanovic D, Stojanovic MN. Optimizing cross-reactivity with evolutionary search for sensors. J Am Chem Soc 2012; 134:1642-7. [PMID: 22142383 DOI: 10.1021/ja2084256] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We report a straightforward evolutionary procedure to build an optimal sensor array from a pool of DNA sequences oriented toward three-way junctions. The individual sensors were mined from this pool under separate selection pressures to interact with four steroids, while allowing cross-reactivity, in a manner designed to achieve perfect classification of individual steroids. The resulting sensor array had three sensors and displayed discriminatory capacity between steroid classes over full ranges of concentrations. We propose that similar protocols can be used whenever we have two or more classes of samples, with individual classes being defined through gross differences in ratios of dominant families of responsive components.
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Affiliation(s)
- Kyung-Ae Yang
- Division of Experimental Therapeutics, Department of Medicine, Columbia University, New York, New York 10032, USA
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