51
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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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52
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You L, Zha D, Anslyn EV. Recent Advances in Supramolecular Analytical Chemistry Using Optical Sensing. Chem Rev 2015; 115:7840-92. [PMID: 25719867 DOI: 10.1021/cr5005524] [Citation(s) in RCA: 637] [Impact Index Per Article: 70.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Lei You
- †State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 35002, People's Republic of China
| | - Daijun Zha
- †State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 35002, People's Republic of China
| | - Eric V Anslyn
- ‡Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
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53
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Đilović I, Užarević K. Conformational adaptations of acyclic receptor templated by weakly coordinating anions. CrystEngComm 2015. [DOI: 10.1039/c4ce02413c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This work reports binding modes and adaptability of a versatile polyamine receptor (L) derived from dehydroacetic acid in complexes with spherical (Br−and I−), or multifaceted linear (SCN−) or pyramidal (ClO3−) anions.
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Affiliation(s)
- I. Đilović
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- 10000 Zagreb, Croatia
| | - K. Užarević
- Ruđer Bošković Institute
- Division of Physical Chemistry
- 10002 Zagreb, Croatia
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54
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Kumpf J, Freudenberg J, Bunz UHF. Distyrylbenzene-aldehydes: identification of proteins in water. Analyst 2015; 140:3136-42. [DOI: 10.1039/c5an00155b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Herein we describe the discrimination of different albumins using fluorescence changes in a simple three-compound array and apply this system in the differentiation of protein shake powders.
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Affiliation(s)
- Jan Kumpf
- Organisch-Chemisches Institut
- Ruprecht-Karls-Universität
- 69120 Heidelberg
- Germany
| | - Jan Freudenberg
- Organisch-Chemisches Institut
- Ruprecht-Karls-Universität
- 69120 Heidelberg
- Germany
| | - Uwe H. F. Bunz
- Organisch-Chemisches Institut
- Ruprecht-Karls-Universität
- 69120 Heidelberg
- Germany
- Centre for Advanced Materials (CAM)
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55
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Ghale G, Nau WM. Dynamically analyte-responsive macrocyclic host-fluorophore systems. Acc Chem Res 2014; 47:2150-9. [PMID: 24785659 DOI: 10.1021/ar500116d] [Citation(s) in RCA: 276] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
CONSPECTUS: Host-guest chemistry commenced to a large degree with the work of Pedersen, who in 1967 first reported the synthesis of crown ethers. The past 45 years have witnessed a substantial progress in the field, from the design of highly selective host molecules as receptors to their application in drug delivery and, particularly, analyte sensing. Much effort has been expended on designing receptors and signaling mechanism for detecting compounds of biological and environmental relevance. Traditionally, the design of a chemosensor comprises one component for molecular recognition, frequently macrocycles of the cyclodextrin, cucurbituril, cyclophane, or calixarene type. The second component, used for signaling, is typically an indicator dye which changes its photophysical properties, preferably its fluorescence, upon analyte binding. A variety of signal transduction mechanisms are available, of which displacement of the dye from the macrocyclic binding site is one of the simplest and most popular ones. This constitutes the working principle of indicator displacement assays. However, indicator displacement assays have been predominantly exploited in a static fashion, namely, to determine absolute analyte concentrations, or, by using combinations of several reporter pairs, to achieve a differential sensing and, thus, identification of specific food products or brands. In contrast, their use in biological systems, for example, with membranes, cells, or with enzymes has been comparably less explored, which led us to the design of the so-called tandem assays, that is, dynamically analyte-responsive host-dye systems, in which the change in analyte concentrations is induced by a biological reaction or process. This methodological variation has practical application potential, because the ability to monitor these biochemical pathways or to follow specific molecules in real time is of paramount interest for both biochemical laboratories and the pharmaceutical industry. We will begin by describing the underlying principles that govern the use of macrocycle-fluorescent dye complexes to monitor time-dependent changes in analyte concentrations. Suitable chemosensing ensembles are introduced, along with their fluorescence responses (switch-on or switch-off). This includes supramolecular tandem assays in their product- and substrate-selective variants, and in their domino and enzyme-coupled modifications, with assays for amino acid decarboxylases, diamine, and choline oxidase, proteases, methyl transferases, acetylcholineesterase (including an unpublished direct tandem assay), choline oxidase, and potato apyrase as examples. It also includes the very recently introduced tandem membrane assays in their published influx and unpublished efflux variants, with the outer membrane protein F as channel protein and protamine as bidirectionally translocated analyte. As proof-of-principle for environmental monitoring applications, we describe sensing ensembles for volatile hydrocarbons.
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Affiliation(s)
- Garima Ghale
- School of Engineering and
Science, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Werner M. Nau
- School of Engineering and
Science, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
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56
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Askim JR, Mahmoudi M, Suslick KS. Optical sensor arrays for chemical sensing: the optoelectronic nose. Chem Soc Rev 2014; 42:8649-82. [PMID: 24091381 DOI: 10.1039/c3cs60179j] [Citation(s) in RCA: 466] [Impact Index Per Article: 46.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A comprehensive review is presented on the development and state of the art of colorimetric and fluorometric sensor arrays. Optical arrays based on chemoresponsive colorants (dyes and nanoporous pigments) probe the chemical reactivity of analytes, rather than their physical properties. This provides a high dimensionality to chemical sensing that permits high sensitivity (often down to ppb levels), impressive discrimination among very similar analytes and exquisite fingerprinting of extremely similar mixtures over a wide range of analyte types, both in the gas and liquid phases.
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Affiliation(s)
- Jon R Askim
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Av., Urbana, Illinois 61801, USA.
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57
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On-line monitoring of food fermentation processes using electronic noses and electronic tongues: a review. Anal Chim Acta 2013; 804:29-36. [PMID: 24267060 DOI: 10.1016/j.aca.2013.09.048] [Citation(s) in RCA: 105] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Revised: 09/20/2013] [Accepted: 09/24/2013] [Indexed: 11/23/2022]
Abstract
Fermentation processes are often sensitive to even slight changes of conditions that may result in unacceptable end-product quality. Thus, close follow-up of this type of processes is critical for detecting unfavorable deviations as early as possible in order to save downtime, materials and resources. Nevertheless the use of traditional analytical techniques is often hindered by the need for expensive instrumentation and experienced operators and complex sample preparation. In this sense, one of the most promising ways of developing rapid and relatively inexpensive methods for quality control in fermentation processes is the use of chemical multisensor systems. In this work we present an overview of the most important contributions dealing with the monitoring of fermentation processes using electronic noses and electronic tongues. After a brief description of the fundamentals of both types of devices, the different approaches are critically commented, their strengths and weaknesses being highlighted. Finally, future trends in this field are also mentioned in the last section of the article.
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58
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Busseron E, Ruff Y, Moulin E, Giuseppone N. Supramolecular self-assemblies as functional nanomaterials. NANOSCALE 2013; 5:7098-140. [PMID: 23832165 DOI: 10.1039/c3nr02176a] [Citation(s) in RCA: 496] [Impact Index Per Article: 45.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
In this review, we survey the diversity of structures and functions which are encountered in advanced self-assembled nanomaterials. We highlight their flourishing implementations in three active domains of applications: biomedical sciences, information technologies, and environmental sciences. Our main objective is to provide the reader with a concise and straightforward entry to this broad field by selecting the most recent and important research articles, supported by some more comprehensive reviews to introduce each topic. Overall, this compilation illustrates how, based on the rules of supramolecular chemistry, the bottom-up approach to design functional objects at the nanoscale is currently producing highly sophisticated materials oriented towards a growing number of applications with high societal impact.
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Affiliation(s)
- Eric Busseron
- SAMS Research Group, University of Strasbourg, Institut Charles Sadron, CNRS, 23 rue du Loess, BP 84087, 67034 Strasbourg Cedex 2, France
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Jiang W, Wang S, Yuen LH, Kwon H, Ono T, Kool ET. DNA-polyfluorophore Chemosensors for Environmental Remediation: Vapor-phase Identification of Petroleum Products in Contaminated Soil. Chem Sci 2013; 4:3184-3190. [PMID: 23878719 PMCID: PMC3713804 DOI: 10.1039/c3sc50985k] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Contamination of soil and groundwater by petroleum-based products is an extremely widespread and important environmental problem. Here we have tested a simple optical approach for detecting and identifying such industrial contaminants in soil samples, using a set of fluorescent DNA-based chemosensors in pattern-based sensing. We used a set of diverse industrial volatile chemicals to screen and identify a set of five short oligomeric DNA fluorophores on PEG-polystyrene microbeads that could differentiate the entire set after exposure to their vapors in air. We then tested this set of five fluorescent chemosensor compounds for their ability to respond with fluorescence changes when exposed to headgas over soil samples contaminated with one of ten different samples of crude oil, petroleum distillates, fuels, lubricants and additives. Statistical analysis of the quantitative fluorescence change data (as Δ(R,G,B) emission intensities) revealed that these five chemosensors on beads could differentiate all ten product mixtures at 1000 ppm in soil within 30 minutes. Tests of sensitivity with three of the contaminant mixtures showed that they could be detected and differentiated in amounts at least as low as one part per million in soil. The results establish that DNA-polyfluorophores may have practical utility in monitoring the extent and identity of environmental spills and leaks, while they occur and during their remediation.
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Affiliation(s)
- Wei Jiang
- Department of Chemistry, Stanford University, Stanford, California, 94305-5080, United States. Fax: +650 725 0259; Tel: +650 724 4741
| | - Shenliang Wang
- Department of Chemistry, Stanford University, Stanford, California, 94305-5080, United States. Fax: +650 725 0259; Tel: +650 724 4741
| | - Lik Hang Yuen
- Department of Chemistry, Stanford University, Stanford, California, 94305-5080, United States. Fax: +650 725 0259; Tel: +650 724 4741
| | - Hyukin Kwon
- Department of Chemistry, Stanford University, Stanford, California, 94305-5080, United States. Fax: +650 725 0259; Tel: +650 724 4741
| | - Toshikazu Ono
- Department of Chemistry, Stanford University, Stanford, California, 94305-5080, United States. Fax: +650 725 0259; Tel: +650 724 4741
| | - Eric T. Kool
- Department of Chemistry, Stanford University, Stanford, California, 94305-5080, United States. Fax: +650 725 0259; Tel: +650 724 4741
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60
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Užarević K, Halasz I, Đilović I, Bregović N, Rubčić M, Matković-Čalogović D, Tomišić V. Dynamic Molecular Recognition in Solid State for Separating Mixtures of Isomeric Dicarboxylic Acids. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201301032] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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61
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Užarević K, Halasz I, Đilović I, Bregović N, Rubčić M, Matković-Čalogović D, Tomišić V. Dynamic Molecular Recognition in Solid State for Separating Mixtures of Isomeric Dicarboxylic Acids. Angew Chem Int Ed Engl 2013; 52:5504-8. [DOI: 10.1002/anie.201301032] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Indexed: 11/11/2022]
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Szíjjártó C, Pershagen E, Ilchenko NO, Borbas KE. A versatile long-wavelength-absorbing scaffold for Eu-based responsive probes. Chemistry 2013; 19:3099-109. [PMID: 23307197 DOI: 10.1002/chem.201203957] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2012] [Indexed: 12/27/2022]
Abstract
Coumarin-sensitized, long-wavelength-absorbing luminescent Eu(III)-complexes have been synthesized and characterized. The lanthanide binding site consists of a cyclen-based chelating framework that is attached through a short linker to a 7-hydroxycoumarin, a 7-B(OH)(2)-coumarin, a 7-O-(4-pinacolatoboronbenzyl)-coumarin or a 7-O-(4-methoxybenzyl)-coumarin. The syntheses are straightforward, use readily available building blocks, and proceed through a small number of high-yielding steps. The sensitivity of coumarin photophysics to the 7-substituent enables modulation of the antenna-absorption properties, and thus the lanthanide excitation spectrum. Reactions of the boronate-based functionalities (cages) with H(2)O(2) yielded the corresponding 7-hydroxycoumarin species. The same species was produced with peroxynitrite in a ×10(6)-10(7)-fold faster reaction. Both reactions resulted in the emergence of a strong ≈407 nm excitation band, with concomitant decrease of the 366 nm band of the caged probe. In aqueous solution the methoxybenzyl caged Eu-complex was quenched by ONOO(-). We have shown that preliminary screening of simple coumarin-based antennae through UV/Vis absorption spectroscopy is possible as the changes in absorption profile translate with good fidelity to changes in Eu(III)-excitation profile in the fully elaborated complex. Taken together, our results show that the 7-hydroxycoumarin antenna is a viable scaffold for the construction of turn-on and ratiometric luminescent probes.
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Affiliation(s)
- Csongor Szíjjártó
- Department of Chemistry, BMC, Uppsala University, Box 576, 75123 Uppsala, Sweden
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63
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Elci SG, Moyano DF, Rana S, Tonga GY, Phillips RL, Bunz UHF, Rotello VM. Recognition of glycosaminoglycan chemical patterns using an unbiased sensor array. Chem Sci 2013. [DOI: 10.1039/c3sc22279a] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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64
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Chen K, Adam C, Sojic N, Schmittel M. Photochemical functionalisation of optical nanotips with a rhodamine chemosensor for remote through-fiber detection of Hg2+. RSC Adv 2013. [DOI: 10.1039/c3ra45198d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
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65
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Sakakibara K, Joyce LA, Mori T, Fujisawa T, Shabbir SH, Hill JP, Anslyn EV, Ariga K. A Mechanically Controlled Indicator Displacement Assay. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201203402] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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66
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Sakakibara K, Joyce LA, Mori T, Fujisawa T, Shabbir SH, Hill JP, Anslyn EV, Ariga K. A mechanically controlled indicator displacement assay. Angew Chem Int Ed Engl 2012; 51:9643-6. [PMID: 22930528 DOI: 10.1002/anie.201203402] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2012] [Indexed: 11/10/2022]
Affiliation(s)
- Keita Sakakibara
- World Premier International Research Centre for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba 305-0044, Ibaraki, Japan
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67
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Zhang X, Anslyn EV, Qian X. Discrimination of vicinal-diol-containing flavonoids and black teas by arrays of host–indicator ensembles. Supramol Chem 2012. [DOI: 10.1080/10610278.2012.691499] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Xiaojun Zhang
- a The School of Pharmacy, East China University of Science and Technology , Shanghai , 200237 , P.R China
- b Department of Chemistry and Biochemistry , The University of Texas at Austin , 1 University Station A1590, Texas , Austin , 78712 , USA
| | - Eric V. Anslyn
- b Department of Chemistry and Biochemistry , The University of Texas at Austin , 1 University Station A1590, Texas , Austin , 78712 , USA
| | - Xuhong Qian
- a The School of Pharmacy, East China University of Science and Technology , Shanghai , 200237 , P.R China
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68
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Gallagher LT, Heo JS, Lopez MA, Ray BM, Xiao J, Umali AP, Zhang A, Dharmarajan S, Heymann H, Anslyn EV. Pattern-based discrimination of organic acids and red wine varietals by arrays of synthetic receptors. Supramol Chem 2012. [DOI: 10.1080/10610278.2011.638379] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Lauren T. Gallagher
- a College of Natural Sciences, University of Texas at Austin , Austin , TX , USA
| | - Jae Seok Heo
- a College of Natural Sciences, University of Texas at Austin , Austin , TX , USA
| | - Matthew A. Lopez
- a College of Natural Sciences, University of Texas at Austin , Austin , TX , USA
| | - Brenton M. Ray
- a College of Natural Sciences, University of Texas at Austin , Austin , TX , USA
| | - Jennifer Xiao
- b College of Liberal Arts, University of Texas at Austin , Austin , TX , USA
| | - Alona P. Umali
- d Chemical Threat Laboratory, Texas Department of State Health Services , Austin , TX , USA
| | - Anna Zhang
- a College of Natural Sciences, University of Texas at Austin , Austin , TX , USA
| | - Sunanda Dharmarajan
- a College of Natural Sciences, University of Texas at Austin , Austin , TX , USA
| | - Hildegarde Heymann
- e Department of Viticulture and Enology , University of California-Davis , Davis , CA , USA
| | - Eric V. Anslyn
- a College of Natural Sciences, University of Texas at Austin , Austin , TX , USA
- c Department of Chemistry and Biochemistry , University of Texas at Austin , Austin , TX , USA
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69
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Zhang X, You L, Anslyn EV, Qian X. Discrimination and classification of ginsenosides and ginsengs using bis-boronic acid receptors in dynamic multicomponent indicator displacement sensor arrays. Chemistry 2011; 18:1102-10. [PMID: 22213109 DOI: 10.1002/chem.201103245] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2011] [Indexed: 01/12/2023]
Abstract
Ginsenosides are complex natural products with a diverse array of biological activities, but their molecular recognition and sensing is challenging. A library of simple bis-boronic acid-based receptors with various spacers was synthesized for the sensing of ginsenosides. The incorporation of two boronic acids allowed the pairing of two indicators, which can simultaneously bind the receptors or two saccharides within the ginsenosides. A cross-reactive sensing array was therefore constructed using the receptors in conjunction with different pairs of indicators. LDA plots created from the colorimetric response of the hosts and indicator pairs reveal excellent classification of the ginsenosides, and the corresponding loading plots reveal the cross-reactivity of the receptors. In addition, several commercial ginseng extracts were unambiguously classified using the same sensing array. The assay reported here should be applicable to the analysis of other large saccharide-based natural products.
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Affiliation(s)
- Xiaojun Zhang
- School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P.R. China
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70
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Chudzinski MG, Chi Y, Taylor MS. Borinic Acids: A Neglected Class of Organoboron Compounds for Recognition of Diols in Aqueous Solution. Aust J Chem 2011. [DOI: 10.1071/ch11294] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Association constants between diphenylborinic acid and representative analytes capable of reversible two-point covalent binding (diols, catechols, and hydroxy acids) were determined using an indicator-displacement assay. Unlike boronic acids, which have been studied in great detail as receptors for diols and related compounds, borinic acids have effectively been ignored as candidates for such applications. The results of this study indicate that diphenylborinic acid displays high affinity for certain analytes of this type in aqueous solution. Of particular interest are differences between the selectivity of the borinic acid and that of a boronic acid of similar pKa towards the series of analytes studied: the borinic acid displays an unusually high level of discrimination for catechols over carbohydrates. The distinct selectivity observed, and the unique opportunities for steric and electronic tuning of diarylborinic acids, suggest that these compounds hold significant potential for applications in aqueous-phase molecular recognition.
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