1
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Schaub TA, Prantl EA, Kohn J, Bursch M, Marshall CR, Leonhardt EJ, Lovell TC, Zakharov LN, Brozek CK, Waldvogel SR, Grimme S, Jasti R. Exploration of the Solid-State Sorption Properties of Shape-Persistent Macrocyclic Nanocarbons as Bulk Materials and Small Aggregates. J Am Chem Soc 2020; 142:8763-8775. [DOI: 10.1021/jacs.0c01117] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Tobias A. Schaub
- Department of Chemistry & Biochemistry and Material Science Institute, University of Oregon, Eugene, Oregon 97403, United States
- Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, Oregon 97403, United States
- Institute of Organic Chemistry, Ruprecht-Karls University of Heidelberg, Heidelberg 69120, Germany
| | - Ephraim A. Prantl
- Department of Organic Chemistry, Johannes Gutenberg-University Mainz, Mainz 55128, Germany
| | - Julia Kohn
- Mulliken Center for Theoretical Chemistry, University Bonn, Bonn 53115, Germany
| | - Markus Bursch
- Mulliken Center for Theoretical Chemistry, University Bonn, Bonn 53115, Germany
| | - Checkers R. Marshall
- Department of Chemistry & Biochemistry and Material Science Institute, University of Oregon, Eugene, Oregon 97403, United States
- Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, Oregon 97403, United States
| | - Erik J. Leonhardt
- Department of Chemistry & Biochemistry and Material Science Institute, University of Oregon, Eugene, Oregon 97403, United States
- Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, Oregon 97403, United States
| | - Terri C. Lovell
- Department of Chemistry & Biochemistry and Material Science Institute, University of Oregon, Eugene, Oregon 97403, United States
- Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, Oregon 97403, United States
| | - Lev N. Zakharov
- Department of Chemistry & Biochemistry and Material Science Institute, University of Oregon, Eugene, Oregon 97403, United States
| | - Carl K. Brozek
- Department of Chemistry & Biochemistry and Material Science Institute, University of Oregon, Eugene, Oregon 97403, United States
| | - Siegfried R. Waldvogel
- Department of Organic Chemistry, Johannes Gutenberg-University Mainz, Mainz 55128, Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical Chemistry, University Bonn, Bonn 53115, Germany
| | - Ramesh Jasti
- Department of Chemistry & Biochemistry and Material Science Institute, University of Oregon, Eugene, Oregon 97403, United States
- Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, Oregon 97403, United States
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2
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Narayanamurthy V, Samsuri F, Firus Khan AY, Hamzah HA, Baharom MB, Kumary TV, Anil Kumar PR, Raj DK. Direct cell imprint lithography in superconductive carbon black polymer composites: process optimization, characterization and in vitro toxicity analysis. BIOINSPIRATION & BIOMIMETICS 2019; 15:016002. [PMID: 30897554 DOI: 10.1088/1748-3190/ab1243] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Cell imprint lithography (CIL) or cell replication plays a vital role in fields like biomimetic smart culture substrates, bone tissue engineering, cell guiding, cell adhesion, tissue engineering, cell microenvironments, tissue microenvironments, cell research, drug delivery, diagnostics, therapeutics and many other applications. Herein we report a new formulation of superconductive carbon black photopolymer composite and its characterization towards a CIL process technique. In this article, we demonstrated an approach of using a carbon nanoparticle-polymer composite (CPC) for patterning cells. It is observed that a 0.3 wt % load of carbon nanoparticles (CNPs) in a carbon polymer mixture (CPM) was optimal for cell-imprint replica fabrication. The electrical resistance of the 3-CPC (0.3 wt %) was reduced by 68% when compared to N-CPC (0 wt %). This method successfully replicated the single cell with sub-organelle scale. The shape of microvesicles, grooves, pores, blebs or microvilli on the cellular surface was patterned clearly. This technique delivers a free-standing cell feature substrate. In vitro evaluation of the polymer demonstrated it as an ideal candidate for biomimetic biomaterial applications. This approach also finds its application in study based on morphology, especially for drug delivery applications and for investigations based on molecular pathways.
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Affiliation(s)
- Vigneswaran Narayanamurthy
- Faculty of Electrical and Electronics Engineering, University Malaysia Pahang, Pekan 26600, Malaysia. Faculty of Medicine, International Islamic University Malaysia, Kuantan, Pahang 25200, Malaysia
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3
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Tijunelyte I, Betelu S, Moreau J, Ignatiadis I, Berho C, Lidgi-Guigui N, Guénin E, David C, Vergnole S, Rinnert E, Lamy de la Chapelle M. Diazonium Salt-Based Surface-Enhanced Raman Spectroscopy Nanosensor: Detection and Quantitation of Aromatic Hydrocarbons in Water Samples. SENSORS 2017; 17:s17061198. [PMID: 28538680 PMCID: PMC5492876 DOI: 10.3390/s17061198] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 05/11/2017] [Accepted: 05/16/2017] [Indexed: 11/18/2022]
Abstract
Here, we present a surface-enhanced Raman spectroscopy (SERS) nanosensor for environmental pollutants detection. This study was conducted on three polycyclic aromatic hydrocarbons (PAHs): benzo[a]pyrene (BaP), fluoranthene (FL), and naphthalene (NAP). SERS substrates were chemically functionalized using 4-dodecyl benzenediazonium-tetrafluoroborate and SERS analyses were conducted to detect the pollutants alone and in mixtures. Compounds were first measured in water-methanol (9:1 volume ratio) samples. Investigation on solutions containing concentrations ranging from 10−6 g L−1 to 10−3 g L−1 provided data to plot calibration curves and to determine the performance of the sensor. The calculated limit of detection (LOD) was 0.026 mg L−1 (10−7 mol L−1) for BaP, 0.064 mg L−1 (3.2 × 10−7 mol L−1) for FL, and 3.94 mg L−1 (3.1 × 10−5 mol L−1) for NAP, respectively. The correlation between the calculated LOD values and the octanol-water partition coefficient (Kow) of the investigated PAHs suggests that the developed nanosensor is particularly suitable for detecting highly non-polar PAH compounds. Measurements conducted on a mixture of the three analytes (i) demonstrated the ability of the developed technology to detect and identify the three analytes in the mixture; (ii) provided the exact quantitation of pollutants in a mixture. Moreover, we optimized the surface regeneration step for the nanosensor.
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Affiliation(s)
- Inga Tijunelyte
- CSPBAT Laboratory, UMR 7244, UFR SMBH, University of Paris 13, Sorbonne Paris Cite, 93017 Bobigny, France.
| | | | - Jonathan Moreau
- IFREMER, Brittany Center, Detection, Sensors and Measurements Laboratory, CS10070, 29280 Plouzané, France.
| | | | | | - Nathalie Lidgi-Guigui
- CSPBAT Laboratory, UMR 7244, UFR SMBH, University of Paris 13, Sorbonne Paris Cite, 93017 Bobigny, France.
| | - Erwann Guénin
- Laboratoire TIMR, EA4297, Sorbonne Universités-Université de Technologie de Compiègne, Centre de recherche de Royallieu, rue du docteur Schweitzer, CS 60319, 60203 Compiègne CEDEX, France.
| | | | | | - Emmanuel Rinnert
- IFREMER, Brittany Center, Detection, Sensors and Measurements Laboratory, CS10070, 29280 Plouzané, France.
| | - Marc Lamy de la Chapelle
- CSPBAT Laboratory, UMR 7244, UFR SMBH, University of Paris 13, Sorbonne Paris Cite, 93017 Bobigny, France.
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4
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Ryvlin D, Dumele O, Linke A, Fankhauser D, Schweizer WB, Diederich F, Waldvogel SR. Systematic Investigation of Resorcin[4]arene-Based Cavitands as Affinity Materials on Quartz Crystal Microbalances. Chempluschem 2017; 82:493-497. [DOI: 10.1002/cplu.201700077] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 03/04/2017] [Indexed: 12/28/2022]
Affiliation(s)
- Dimitrij Ryvlin
- Institut für Organische Chemie; Johannes Gutenberg-Universität Mainz; Duesbergweg 10-14 55128 Mainz Germany
| | - Oliver Dumele
- Laboratorium für Organische Chemie; ETH Zurich; Vladimir-Prelog-Weg 3 8093 Z urich Switzerland
| | - Alexander Linke
- Institut für Organische Chemie; Johannes Gutenberg-Universität Mainz; Duesbergweg 10-14 55128 Mainz Germany
| | - Daniel Fankhauser
- Laboratorium für Organische Chemie; ETH Zurich; Vladimir-Prelog-Weg 3 8093 Z urich Switzerland
| | - W. Bernd Schweizer
- Laboratorium für Organische Chemie; ETH Zurich; Vladimir-Prelog-Weg 3 8093 Z urich Switzerland
| | - François Diederich
- Laboratorium für Organische Chemie; ETH Zurich; Vladimir-Prelog-Weg 3 8093 Z urich Switzerland
| | - Siegfried R. Waldvogel
- Institut für Organische Chemie; Johannes Gutenberg-Universität Mainz; Duesbergweg 10-14 55128 Mainz Germany
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5
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Dabrowski M, Cieplak M, Noworyta K, Heim M, Adamkiewicz W, Kuhn A, Sharma PS, Kutner W. Surface enhancement of a molecularly imprinted polymer film using sacrificial silica beads for increasingl-arabitol chemosensor sensitivity and detectability. J Mater Chem B 2017; 5:6292-6299. [DOI: 10.1039/c7tb01407d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Sacrificial silica beads, used for increasing the specific surface area of a molecularly imprinted polymer film, improve the performance of the chemosensor.
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Affiliation(s)
- Marcin Dabrowski
- Institute of Physical Chemistry
- Polish Academy of Sciences
- 01-224 Warsaw
- Poland
| | - Maciej Cieplak
- Institute of Physical Chemistry
- Polish Academy of Sciences
- 01-224 Warsaw
- Poland
| | - Krzysztof Noworyta
- Institute of Physical Chemistry
- Polish Academy of Sciences
- 01-224 Warsaw
- Poland
| | | | - Witold Adamkiewicz
- Institute of Physical Chemistry
- Polish Academy of Sciences
- 01-224 Warsaw
- Poland
| | | | | | - Wlodzimierz Kutner
- Institute of Physical Chemistry
- Polish Academy of Sciences
- 01-224 Warsaw
- Poland
- Faculty of Mathematics and Natural Sciences
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Wankar S, Turner NW, Krupadam RJ. Polythiophene nanofilms for sensitive fluorescence detection of viruses in drinking water. Biosens Bioelectron 2016; 82:20-5. [PMID: 27031187 DOI: 10.1016/j.bios.2016.03.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 03/07/2016] [Accepted: 03/10/2016] [Indexed: 12/13/2022]
Abstract
Molecular imprints of the tobacco necrosis virus (TNV) have been formed within polythiophene nanofilms with an approximate thickness of 200nm. These films have been electrochemically deposited onto conducting Au surfaces. Upon rebinding, the TNV-polythiophene complex changes the fluorescence intensity of the nanofilm. The fluorescence intensity at 410nm was observed to be proportional to the concentration of viruses in the range of 0.1-10ngL(-1) (0.15-15pg) with the lower calculated detection limit of 2.29ngL(-1) (3.4pg). The intensity of the fluorescence emission is not affected by the thickness of the polythiophene film and the nature of TNV specific binding sites. Kinetic data analyses showed that the nanofilm responds to TNV within 2min; and cross-selectivity studies with tobacco mosaic virus (TMV) showed an excellent specificity for the targeted TNV. These binding experiments demonstrate the potential of fluorescence emission for the specific, label free and rapid detection of viruses using nanofilm sensors. Taking into account the lower limit of detection, the fluorescence sensing reported here is reliable, simple to perform, rapid, cost-effective and offers a sensitive analytical method for virus detection in water resources.
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Affiliation(s)
- Shashwati Wankar
- Environmental Impact and Risk Assessment Division, CSIR-National Environmental Engineering Research Institute, Nehru Marg, Nagpur 440020, India
| | - Nicholas W Turner
- Faculty of Science, The Open University, Walton Hall, Milton Keynes, Buckinghamshire MK7 6AA, United Kingdom
| | - Reddithota J Krupadam
- Environmental Impact and Risk Assessment Division, CSIR-National Environmental Engineering Research Institute, Nehru Marg, Nagpur 440020, India.
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A Review on Bio-macromolecular Imprinted Sensors and Their Applications. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2016. [DOI: 10.1016/s1872-2040(16)60898-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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8
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Li T, Yao T, Zhang C, Liu G, She Y, Jin M, Jin F, Wang S, Shao H, Wang J. Electrochemical detection of ractopamine based on a molecularly imprinted poly-o-phenylenediamine/gold nanoparticle–ionic liquid–graphene film modified glass carbon electrode. RSC Adv 2016. [DOI: 10.1039/c6ra11999a] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
An electrochemical sensor for sensitive detection of ractopamine (RAC) was fabricated by using molecularly imprinted polymer (MIP) incorporation with graphene (GR), ionic liquid (IL) and gold nanoparticle (AuNPs) nanocomposites.
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9
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Blood Group Typing: From Classical Strategies to the Application of Synthetic Antibodies Generated by Molecular Imprinting. SENSORS 2015; 16:s16010051. [PMID: 26729127 PMCID: PMC4732084 DOI: 10.3390/s16010051] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 12/29/2015] [Accepted: 12/29/2015] [Indexed: 01/25/2023]
Abstract
Blood transfusion requires a mandatory cross-match test to examine the compatibility between donor and recipient blood groups. Generally, in all cross-match tests, a specific chemical reaction of antibodies with erythrocyte antigens is carried out to monitor agglutination. Since the visual inspection is no longer useful for obtaining precise quantitative information, therefore there is a wide variety of different technologies reported in the literature to recognize the agglutination reactions. Despite the classical methods, modern biosensors and molecular blood typing strategies have also been considered for straightforward, accurate and precise analysis. The interfacial part of a typical sensor device could range from natural antibodies to synthetic receptor materials, as designed by molecular imprinting and which is suitably integrated with the transducer surface. Herein, we present a comprehensive overview of some selected strategies extending from traditional practices to modern procedures in blood group typing, thus to highlight the most promising approach among emerging technologies.
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10
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Linke A, Schmidt M, Waldvogel SR. Poly(2-vinylpyridine)-Based Polymers as an Efficient Affinity Material for the Detection of Airborne Phenol. Chempluschem 2015; 80:1096-1099. [DOI: 10.1002/cplu.201500108] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Indexed: 11/11/2022]
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11
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Whitcombe MJ, Kirsch N, Nicholls IA. Molecular imprinting science and technology: a survey of the literature for the years 2004-2011. J Mol Recognit 2014; 27:297-401. [PMID: 24700625 DOI: 10.1002/jmr.2347] [Citation(s) in RCA: 275] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 10/28/2013] [Accepted: 12/01/2013] [Indexed: 12/11/2022]
Abstract
Herein, we present a survey of the literature covering the development of molecular imprinting science and technology over the years 2004-2011. In total, 3779 references to the original papers, reviews, edited volumes and monographs from this period are included, along with recently identified uncited materials from prior to 2004, which were omitted in the first instalment of this series covering the years 1930-2003. In the presentation of the assembled references, a section presenting reviews and monographs covering the area is followed by sections describing fundamental aspects of molecular imprinting including the development of novel polymer formats. Thereafter, literature describing efforts to apply these polymeric materials to a range of application areas is presented. Current trends and areas of rapid development are discussed.
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12
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Pore size dynamics in interpenetrated metal organic frameworks for selective sensing of aromatic compounds. Anal Chim Acta 2014; 819:78-81. [DOI: 10.1016/j.aca.2014.02.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Revised: 01/24/2014] [Accepted: 02/01/2014] [Indexed: 11/22/2022]
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13
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Buchegger P, Lieberzeit PA, Preininger C. Thermo-nanoimprinted biomimetic probe for LPS and LTA immunosensing. Anal Chem 2014; 86:1679-86. [PMID: 24392724 DOI: 10.1021/ac403460k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A complex prepolymerized film comprising monomers, cross-linkers, and initiator is usually used to create molecularly imprinted polymers. We herein exploit ready-to-use resist materials and link molecular surface imprinting with UV- and thermo-nanoimprinting techniques to create a sensor layer for the specific recognition of the bacterial surface markers lipopolysaccharide (LPS) and lipoteichoic acid (LTA). To account for the highly polar moieties of LPS and LTA, we evaluate different resist and stamp materials of distinct surface properties by AFM and molecularly imprinted sorbent assays. Thermo nanoimprinting of LPS and LTA micelles to Epon 1002F films exhibits excellent sensitivity of up to 13 times increased signals compared to those of the nonimprinted films and negligible cross-reaction with the tested nonspecific analyte. Additionally, the sensitivity and selectivity of the thermo nanoimprints is compared to conventional molecular surface imprints using a cocktail of acrylic monomers in QCM measurements.
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Affiliation(s)
- Patricia Buchegger
- Austrian Institute of Technology , Department of Health & Environment, Bioresources, Konrad Lorenz Straße 24, 3430 Tulln, Austria
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14
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15
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Kong LJ, Pan MF, Fang GZ, He XL, Yang YK, Dai J, Wang S. Molecularly imprinted quartz crystal microbalance sensor based on poly(o-aminothiophenol) membrane and Au nanoparticles for ractopamine determination. Biosens Bioelectron 2014; 51:286-92. [DOI: 10.1016/j.bios.2013.07.043] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Revised: 07/18/2013] [Accepted: 07/22/2013] [Indexed: 11/25/2022]
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16
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Mahmoudi M, Bonakdar S, Shokrgozar MA, Aghaverdi H, Hartmann R, Pick A, Witte G, Parak WJ. Cell-imprinted substrates direct the fate of stem cells. ACS NANO 2013; 7:8379-8384. [PMID: 24059979 DOI: 10.1021/nn403844q] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Smart nanoenvironments were obtained by cell-imprinted substrates based on mature and dedifferentiated chondrocytes as templates. Rabbit adipose derived mesenchymal stem cells (ADSCs) seeded on these cell-imprinted substrates were driven to adopt the specific shape (as determined in terms of cell morphology) and molecular characteristics (as determined in terms of gene expression) of the cell types which had been used as template for the cell-imprinting. This method might pave the way for a reliable, efficient, and cheap way of controlling stem cell differentiation. Data also suggest that besides residual cellular fragments, which are presented on the template surface, the imprinted topography of the templates plays a role in the differentiation of the stem cells.
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Affiliation(s)
- Morteza Mahmoudi
- National Cell Bank, Pasteur Institute of Iran , Tehran 13164, Iran
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17
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Brutschy M, Lubczyk D, Müllen K, Waldvogel SR. Surface Pretreatment Boosts the Performance of Supramolecular Affinity Materials on Quartz Crystal Microbalances for Sensor Applications. Anal Chem 2013; 85:10526-30. [DOI: 10.1021/ac4025818] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Malte Brutschy
- Institute
for Organic Chemistry, University of Mainz, Duesbergweg 10-14, D-55128 Mainz, Germany
| | - Daniel Lubczyk
- Institute
for Organic Chemistry, University of Mainz, Duesbergweg 10-14, D-55128 Mainz, Germany
| | - Klaus Müllen
- Max-Planck-Institut für Polymerforschung, Ackermannweg 10, D-55128 Mainz, Germany
| | - Siegfried R. Waldvogel
- Institute
for Organic Chemistry, University of Mainz, Duesbergweg 10-14, D-55128 Mainz, Germany
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18
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Afzal A, Iqbal N, Mujahid A, Schirhagl R. Advanced vapor recognition materials for selective and fast responsive surface acoustic wave sensors: A review. Anal Chim Acta 2013; 787:36-49. [DOI: 10.1016/j.aca.2013.05.005] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Revised: 04/18/2013] [Accepted: 05/02/2013] [Indexed: 10/26/2022]
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Brutschy M, Schneider MW, Mastalerz M, Waldvogel SR. Porous organic cage compounds as highly potent affinity materials for sensing by quartz crystal microbalances. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2012; 24:6049-6052. [PMID: 22941901 DOI: 10.1002/adma.201202786] [Citation(s) in RCA: 164] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2012] [Indexed: 06/01/2023]
Abstract
Porosity makes powerful affinity materials for quartz crystal microbalances. The shape-persistent organic cages and pores create superior affinity systems to existing ones for direct tracing of aromatic solvent vapors. A shape and size selectivity for the analytes is observed. These organic cages can be processed to thin films with highly reproducible sensing properties.
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Affiliation(s)
- Malte Brutschy
- Institut für Organische Chemie, Johannes Gutenberg-Universität Mainz, Mainz, Germany
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20
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An electrochemical sensor for rapid determination of ractopamine based on a molecularly imprinted electrosynthesized o-aminothiophenol film. Anal Bioanal Chem 2012; 404:1653-60. [DOI: 10.1007/s00216-012-6253-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2012] [Revised: 07/09/2012] [Accepted: 07/09/2012] [Indexed: 10/28/2022]
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21
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Monitoring automotive oil degradation: analytical tools and onboard sensing technologies. Anal Bioanal Chem 2012; 404:1197-209. [PMID: 22752447 DOI: 10.1007/s00216-012-6186-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2012] [Revised: 06/07/2012] [Accepted: 06/08/2012] [Indexed: 01/09/2023]
Abstract
Engine oil experiences a number of thermal and oxidative phases that yield acidic products in the matrix consequently leading to degradation of the base oil. Generally, oil oxidation is a complex process and difficult to elucidate; however, the degradation pathways can be defined for almost every type of oil because they mainly depend on the mechanical status and operating conditions. The exact time of oil change is nonetheless difficult to predict, but it is of great interest from an economic and ecological point of view. In order to make a quick and accurate decision about oil changes, onboard assessment of oil quality is highly desirable. For this purpose, a variety of physical and chemical sensors have been proposed along with spectroscopic strategies. We present a critical review of all these approaches and of recent developments to analyze the exact lifetime of automotive engine oil. Apart from their potential for degradation monitoring, their limitations and future perspectives have also been investigated.
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Granado V, Rudnitskaya A, Oliveira J, Gomes M. Design of molecularly imprinted polymers for diphenylamine sensing. Talanta 2012; 94:133-9. [DOI: 10.1016/j.talanta.2012.03.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2011] [Revised: 02/28/2012] [Accepted: 03/05/2012] [Indexed: 11/29/2022]
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23
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Latif U, Rohrer A, Lieberzeit PA, Dickert FL. QCM gas phase detection with ceramic materials—VOCs and oil vapors. Anal Bioanal Chem 2011; 400:2457-62. [DOI: 10.1007/s00216-011-4684-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2010] [Revised: 12/23/2010] [Accepted: 01/16/2011] [Indexed: 11/30/2022]
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24
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Fodey T, Leonard P, O’Mahony J, O’Kennedy R, Danaher M. Developments in the production of biological and synthetic binders for immunoassay and sensor-based detection of small molecules. Trends Analyt Chem 2011. [DOI: 10.1016/j.trac.2010.10.011] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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25
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Beardslee LA, Demirci KS, Luzinova Y, Mizaikoff B, Heinrich SM, Josse F, Brand O. Liquid-phase chemical sensing using lateral mode resonant cantilevers. Anal Chem 2011; 82:7542-9. [PMID: 20715842 DOI: 10.1021/ac1010102] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Liquid-phase operation of resonant cantilevers vibrating in an out-of-plane flexural mode has to date been limited by the considerable fluid damping and the resulting low quality factors (Q factors). To reduce fluid damping in liquids and to improve the detection limit for liquid-phase sensing applications, resonant cantilever transducers vibrating in their in-plane rather than their out-of-plane flexural resonant mode have been fabricated and shown to have Q factors up to 67 in water (up to 4300 in air). In the present work, resonant cantilevers, thermally excited in an in-plane flexural mode, are investigated and applied as sensors for volatile organic compounds in water. The cantilevers are fabricated using a complementary metal oxide semiconductor (CMOS) compatible fabrication process based on bulk micromachining. The devices were coated with chemically sensitive polymers allowing for analyte sorption into the polymer. Poly(isobutylene) (PIB) and poly(ethylene-co-propylene) (EPCO) were investigated as sensitive layers with seven different analytes screened with PIB and 12 analytes tested with EPCO. Analyte concentrations in the range of 1-100 ppm have been measured in the present experiments, and detection limits in the parts per billion concentration range have been estimated for the polymer-coated cantilevers exposed to volatile organics in water. These results demonstrate significantly improved sensing properties in liquids and indicate the potential of cantilever-type mass-sensitive chemical sensors operating in their in-plane rather than out-of-plane flexural modes.
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Affiliation(s)
- L A Beardslee
- Microelectronics Research Center, Georgia Institute of Technology, Atlanta, Georgia 30332, USA.
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Men’shikova AY, Moskalenko YE, Gribanov AV, Shevchenko NN, Faraonova VB, Yakimanskii AV, Goikhman MY, Loretsyan NL, Koshkin AV, Alfimov MV. Sorption of vapors of aromatic compounds by cross-linked polymer particles containing luminophores: A spectroscopic study. RUSS J APPL CHEM+ 2010. [DOI: 10.1134/s1070427210110200] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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27
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Surface Nano-patterning of Polymers for Mass-Sensitive Biodetection. NANO-BIO-SENSING 2010. [PMCID: PMC7121887 DOI: 10.1007/978-1-4419-6169-3_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
The crafting of sensor material of desired features has always remained a challenging task in the field of material designing and predominantly becomes more interesting when analyte belongs to biospecies. Label-free detection of different bioanalytes such as enzymes, viruses, microorganisms, and blood groups through mass-sensitive transducers has gained considerable importance in the development of modern biosensors. Analyte molecules interact with the surface of sensitive layer coated on these devices and as a result of this interaction, the frequency change is determined, which provides quantitative information about the mass of analyte. One of the most vital elements of these detection systems is to design selective sensor coatings through control surface structuring at nanoscale. Molecular imprinting has proven to be a highly suitable technique to generate selective surfaces that are capable of detecting different analytes, quantitatively and qualitatively as well. The tailor-made synthetic antibody cavities are rigid and stable, which are not immediately collapsed upon analyte interaction; moreover, the different bioanalytes do not undergo any phase change and maintain their original identity during analysis. This chapter will discuss the contribution of imprinting methods to design optimized surfaces for mass-sensitive detection of diverse biological species.
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Schirhagl R, Podlipna D, Lieberzeit PA, Dickert FL. Comparing biomimetic and biological receptors for insulin sensing. Chem Commun (Camb) 2010; 46:3128-30. [DOI: 10.1039/c000936a] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Yao W, Gao Z, Cheng Y. Quartz crystal microbalance for the detection of carbaryl using molecularly imprinted polymers as recognition element. J Sep Sci 2009; 32:3334-9. [DOI: 10.1002/jssc.200900181] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Xue X, Pan J, Xie H, Wang J, Zhang S. Specific recognition of staphylococcus aureus by staphylococcus aureus protein A-imprinted polymers. REACT FUNCT POLYM 2009. [DOI: 10.1016/j.reactfunctpolym.2008.12.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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31
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The development of a MIP-optosensor for the detection of monoamine naphthalenes in drinking water. Biosens Bioelectron 2009; 24:2305-11. [DOI: 10.1016/j.bios.2008.11.022] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2008] [Revised: 10/03/2008] [Accepted: 11/27/2008] [Indexed: 11/20/2022]
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Azenha M, Kathirvel P, Nogueira P, Fernando-Silva A. The requisite level of theory for the computational design of molecularly imprinted silica xerogels. Biosens Bioelectron 2008; 23:1843-9. [DOI: 10.1016/j.bios.2008.02.023] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2007] [Revised: 02/21/2008] [Accepted: 02/27/2008] [Indexed: 10/22/2022]
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Bergmann NM, Peppas NA. Molecularly imprinted polymers with specific recognition for macromolecules and proteins. Prog Polym Sci 2008. [DOI: 10.1016/j.progpolymsci.2007.09.004] [Citation(s) in RCA: 139] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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34
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Uludağ Y, Piletsky SA, Turner APF, Cooper MA. Piezoelectric sensors based on molecular imprinted polymers for detection of low molecular mass analytes. FEBS J 2007; 274:5471-80. [DOI: 10.1111/j.1742-4658.2007.06079.x] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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36
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Maier NM, Lindner W. Chiral recognition applications of molecularly imprinted polymers: a critical review. Anal Bioanal Chem 2007; 389:377-97. [PMID: 17632705 DOI: 10.1007/s00216-007-1427-4] [Citation(s) in RCA: 167] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2007] [Revised: 06/05/2007] [Accepted: 06/08/2007] [Indexed: 10/23/2022]
Abstract
Molecular imprinting technology offers the unique opportunity to tailor chiral stationary phases with predefined chiral recognition properties by employing the enantiomers of interest as binding-site-forming templates. Added advantages, such as ease of preparation, chemical robustness, low-cost production, and the possibility of shaping molecularly imprinted polymers (MIPs) in various self-supporting formats, render them attractive materials for a broad range of chiral recognition applications. In this review a critical overview on recent developments in the field of MIP-based chiral recognition applications is given, focusing on separation techniques and molecular sensing. Inherent limitations associated with the use of enantioselective MIP materials in high-performance separation techniques are outlined, including binding site heterogeneity and slow mass transfer characteristics. The prospects of MIP materials as versatile recognition elements for the design of enantioselective sensor systems are highlighted.
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Affiliation(s)
- Norbert M Maier
- Department of Analytical Chemistry and Food Chemistry, University of Vienna, Währinger Str. 38, 1090 Vienna, Austria.
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Voicu R, Faid K, Farah AA, Bensebaa F, Barjovanu R, Py C, Tao Y. Nanotemplating for two-dimensional molecular imprinting. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2007; 23:5452-8. [PMID: 17407335 DOI: 10.1021/la063562q] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
A new 2D molecular imprinting technique based on nanotemplating and soft-lithography techniques is reported. This technique allows the creation of target-specific synthetic recognition sites on different substrates using a uniquely oriented and immobilized template and the attachment of a molecularly imprinted polymer on a substrate. The molecularly imprinted polymer was characterized by AFM, fluorescence microscopy, and ATR-FTIR. We evaluated the rebinding ability of the sites with theophylline (the target molecule). The selectivity of the molecularly imprinted polymer was determined for the theophylline-caffeine couple. The molecularly imprinted polymer exhibited selectivity for theophylline, as revealed by competitive rebinding experiments. Fluorescence microscopy experiments provided complementary proof of the selectivity of the molecularly imprinted polymer surfaces toward theophylline. These selective molecularly imprinted polymers have the potential for chemical sensor applications. Because of its 2D nature, this novel chemical sensor technology can be integrated with many existing high-sensitivity multichannel detection technologies.
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Affiliation(s)
- Raluca Voicu
- Institute for Microstructural Sciences and Institute of Chemical Processing and Environmental Technology, National Research Council Canada, Ottawa, Ontario, K1A 0R6 Canada.
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Yan S, Fang Y, Gao Z. Determination of Daminozide in Apple Sample by Mip‐Coated Piezoelectric Quartz Sensor. ANAL LETT 2007. [DOI: 10.1080/00032710701296929] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Yan S, Fang Y, Gao Z. Quartz crystal microbalance for the determination of daminozide using molecularly imprinted polymers as recognition element. Biosens Bioelectron 2007; 22:1087-91. [PMID: 16621501 DOI: 10.1016/j.bios.2006.03.007] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2005] [Revised: 02/18/2006] [Accepted: 03/03/2006] [Indexed: 11/16/2022]
Abstract
As the daminozide (DM) and its metabolite have been identified to be potentially carcinogenic, rapid detection method for them is necessary for food safety. A type of piezoelectric crystal sensor has been prepared by using a molecularly imprinted polymer (MIP) as recognition element. The molecularly imprinted polymer was prepared by hot-induced precipitation polymerization, and then the polymer particles were fixed on the surface of the electrode. Scanning electron microscopy (SEM) and atomic force microscopy (AFM) were employed to evaluate the obtained imprinted polymer particles and the MIP sensitive film coated on the electrode. The results showed that a typical time-response curve of the MIP-coated crystal to the DM solution had been given, frequency shifts versus logarithm changes of DM showed good linear correlation within the concentration range of 1.0x10(-9) to 10(-6) mg/mL (y=11.38 lg x+115.45, r=0.9872) and 1.0x10(-6) to 10(-1) mg/mL (y=25.22lgx+209.44, r=0.9938), respectively. The detection limit was 5.0x10(-8) mg/mL (S/N=3), which is lower than that of conventional methods. Further, computer simulation technology was employed to investigate the interaction between methacrylic acid and DM for elucidating the recognition mechanism. The influencing factor pH has also been investigated. The injection experiments of DM structurally related compounds indicated that the obtained sensor has high sensitivity, excellent selectivity, low cost, good reproducibility, and reusable property by combining with piezoelectric crystal and molecularly imprinted polymer.
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Affiliation(s)
- Shoulei Yan
- Institute of Hygienic and Environmental Medicine, Academy of Military Medical Sciences, Tianjin 300050, PR China
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Lieberzeit PA, Dickert FL. Sensor technology and its application in environmental analysis. Anal Bioanal Chem 2006; 387:237-47. [PMID: 17139485 DOI: 10.1007/s00216-006-0926-z] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2006] [Revised: 10/09/2006] [Accepted: 10/10/2006] [Indexed: 10/23/2022]
Abstract
Environmental analysis is one of the fundamental applications of chemical sensors. In this review we describe different sensor systems for the gas and liquid phases that have been tested either with real-life samples or in the field during the last five years. Most field sensors rely either on electrochemical or optical transducers. In the gas phase, systems have been proposed for analysis of oxides of nitrogen, carbon, and sulfur in air, and volatile organic compounds. In the liquid phase, most detection systems used for real-life samples detect heavy-metal ions or organic contamination, for example pesticides, organic solvents and polycyclic aromatic hydrocarbons.
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Affiliation(s)
- Peter A Lieberzeit
- Department of Analytical Chemistry and Food Chemistry, Faculty of Chemistry, University of Vienna, Währinger Strasse 38, 1090, Vienna, Austria
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Lieberzeit P, Greibl W, Jenik M, Dickert FL, Fischerauer G, Bulst WE. Cavities generated by self-organised monolayers as sensitive coatings for surface acoustic wave resonators. Anal Bioanal Chem 2006; 387:561-6. [PMID: 17124573 DOI: 10.1007/s00216-006-0978-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2006] [Revised: 10/31/2006] [Accepted: 10/31/2006] [Indexed: 10/23/2022]
Abstract
Silanisation of quartz substrate surfaces with a mixture of two chlorosilanes, namely trimethylchlorosilane and 7-octenyldimethylchlorosilane, leads to sensitive coatings for volatile organic compounds (VOC) on surface acoustic wave (SAW) devices. In this way we created monolayers of molecular cavities engulfing the analytes according to host-guest chemistry directly on the device surfaces, and also confirmed the occurrence of such cavities by molecular modelling. We monitored the binding process of the silanes by using Fourier transform infrared (FTIR) spectrometry and atomic force microscopy (AFM). In order to increase the stiffness of the cavities, we crosslinked the terminal double bonds of the long spacers by heating the surface in the presence of a radical initiator. Compared to SAW delay lines silanised with trimethylchlorosilane, devices modified with the binary silane mixture lead to substantially higher frequency shifts when exposed to solvent vapour streams. Nearly instantaneous responses can be observed, which e.g. allows xylene detection down to a few ppm.
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Affiliation(s)
- Peter Lieberzeit
- Department of Analytical Chemistry and Food Chemistry, University of Vienna, 1090, Vienna, Austria
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Abstract
Inorganic frameworks obtained by the sol-gel route can be templated by a molecular
imprinting (MIP) approach to generate functional cavities. Such MIP ceramics show highly
appreaciable properties for chemical sensor applications, because they are inherently chemically
and thermally robust. In combination with mass-sensitive devices (e.g. quartz crystal micro balance
– QCM, surface transverse wave oscillator - STW), they yield highly selective and sensitive
chemical sensors. Gas phase measurements with volatile organic compounds (VOCs) e.g. lead to
sensitivities below 1 ppm. Sensitivity can be tuned by the sol-gel-precursor: when hydrolysing more
bulky alkoxides, this leads to enhanced sensitivity by increasing porosity as a consequence of
slower solvent evaporation. By adding products of oxidative oil degradation to the sol-gel mixture,
we succeeded in generating sensors for degradation processes in these complex matrices. This
allows parallelly monitoring both the chemical state of oil and changes in viscosity. Sensitivity is
enhanced according to the Sauerbrey equation by going from 10 MHz QCM transducers to higher
frequencies either by etching the quartz substrates and so reducing the resonator thickness or by
applying STWs.
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Namvar A, Warriner K. Microbial imprinted polypyrrole/poly(3-methylthiophene) composite films for the detection of Bacillus endospores. Biosens Bioelectron 2006; 22:2018-24. [PMID: 17008088 DOI: 10.1016/j.bios.2006.08.039] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2006] [Revised: 08/23/2006] [Accepted: 08/25/2006] [Indexed: 10/24/2022]
Abstract
The fabrication of Bacillus subtilis endospore imprinted conducting polymer films and subsequent electrochemical detection of bound spores is reported. Imprinted films were prepared by absorbing spores on the surface of glassy carbon electrodes upon which a polypyrrole, followed by a poly(3-methylthiophene), layer were electrochemically deposited. Spore template release was achieved through soaking the modified electrode in DMSO. Binding of endospores to imprinted films could be detected via impedance spectroscopy by monitoring changes in Y'' (susceptance) using Mn(II)Cl2 (0.5M pH 3) as the supporting electrolyte. Here, the change in Y'' could be correlated to spore densities between 10(4) and 10(7)cfu/ml. More sensitive detection of absorbed spores was achieved by following endospore germination via changes in film charge as measured using cyclic voltammetry. Here, imprinted films were submerged in spore suspensions to permit absorption, heat activated at 70 degrees C for 10 min prior to transferring to an electrochemical cell containing germination activators. By using the assay format it was possible to detect 10(2)cfu/ml. The observed changes in film charge could be attributed to the interaction of the supporting conducting polymer with dipicolinic acid (DPA) and other constituents released from the core in the course of germination. In all cases, it was not possible to regenerate the imprinted films without losing electrode response. In summary, the study has provided proof-of-concept for fabricating microbial imprinted films using conducting polymers.
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Affiliation(s)
- Azadeh Namvar
- Department of Food Science, University of Guelph, Guelph, Ontario N1G 2W1, Canada
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