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Capener JL, Vasta JD, Katis VL, Michaud A, Beck MT, Daglish SCD, Cohen-Kedar S, Barda ES, Howell S, Dotan I, Robers MB, Axtman AD, Bashore FM. Development of SYK NanoBRET Cellular Target Engagement Assays for Gain-of-Function Variants. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.12.598544. [PMID: 38915605 PMCID: PMC11195201 DOI: 10.1101/2024.06.12.598544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Spleen tyrosine kinase (SYK) is a non-receptor tyrosine kinase that is activated by phosphorylation events downstream of FcR, B-cell and T-cell receptors, integrins, and C-type lectin receptors. When the tandem Src homology 2 (SH2) domains of SYK bind to phosphorylated immunoreceptor tyrosine-based activation motifs (pITAMs) contained within these immunoreceptors, or when SYK is phosphorylated in interdomain regions A and B, SYK is activated. SYK gain-of-function (GoF) variants were previously identified in six patients that had higher levels of phosphorylated SYK and phosphorylated downstream proteins JNK and ERK. Furthermore, the increased SYK activation resulted in the clinical manifestation of immune dysregulation, organ inflammation, and a predisposition for lymphoma. The knowledge that the SYK GoF variants have enhanced activity was leveraged to develop a SYK NanoBRET cellular target engagement assay in intact live cells with constructs for the SYK GoF variants. Herein, we developed a potent SYK-targeted NanoBRET tracer using a SYK donated chemical probe, MRL-SYKi, that enabled a NanoBRET cellular target engagement assay for SYK GoF variants, SYK(S550Y), SYK(S550F), and SYK(P342T). We determined that ATP-competitive SYK inhibitors bind potently to these SYK variants in intact live cells. Additionally, we demonstrated that MRL-SYKi can effectively reduce the catalytic activity of SYK variants, and the phosphorylation levels of SYK(S550Y) in an epithelial cell line (SW480) stably expressing SYK(S550Y).
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Affiliation(s)
- Jacob L. Capener
- Structural Genomics Consortium, Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - James D. Vasta
- Promega Corporation, 2800 Woods Hollow Road, Madison, WI 53711, USA
| | - Vittorio L. Katis
- ARUK Oxford Drug Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7FZ, UK
| | - Ani Michaud
- Promega Corporation, 2800 Woods Hollow Road, Madison, WI 53711, USA
| | - Michael T. Beck
- Promega Corporation, 2800 Woods Hollow Road, Madison, WI 53711, USA
| | - Sabrina C. D. Daglish
- Structural Genomics Consortium, Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Sarit Cohen-Kedar
- Division of Gastroenterology, Rabin Medical Center, Petah-Tikva, Israel
- Felsenstein Medical Research Center, Faculty of Medical & Health Sciences, Tel-Aviv University, Tel-Aviv, Israel
| | - Efrat Shaham Barda
- Division of Gastroenterology, Rabin Medical Center, Petah-Tikva, Israel
- Felsenstein Medical Research Center, Faculty of Medical & Health Sciences, Tel-Aviv University, Tel-Aviv, Israel
| | - Stefanie Howell
- Structural Genomics Consortium, Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Iris Dotan
- Division of Gastroenterology, Rabin Medical Center, Petah-Tikva, Israel
- Felsenstein Medical Research Center, Faculty of Medical & Health Sciences, Tel-Aviv University, Tel-Aviv, Israel
| | | | - Alison D. Axtman
- Structural Genomics Consortium, Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Frances M. Bashore
- Structural Genomics Consortium, Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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Brognara A, Bricchi BR, William L, Brinza O, Konstantakopoulou M, Bassi AL, Ghidelli M, Lidgi-Guigui N. New Mechanism for Long Photo-Induced Enhanced Raman Spectroscopy in Au Nanoparticles Embedded in TiO 2. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2201088. [PMID: 35616163 DOI: 10.1002/smll.202201088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 04/27/2022] [Indexed: 06/15/2023]
Abstract
The photo-induced enhanced Raman spectroscopy (PIERS) effect is a phenomenon taking place when plasmonic nanoparticles deposited on a semiconductor are illuminated by UV light prior to Raman measurement. Results from the literature show that the PIERS effect lasts for about an hour. The proposed mechanism for this effect is the creation of oxygen vacancies in the semiconductor that would create a path for charge transfer between the analyte and the nanoparticles. However, this hypothesis has never been confirmed experimentally. Furthermore, the tested structure of the PIERS substrate has always been composed of plasmonic nanoparticles deposited on top of the semiconductor. Here, gold nanoparticles co-deposited with porous TiO2 are used as a PIERS substrate. The deposition process confers the nanoparticles a unique position half buried in the nanoporous semiconductor. The resulting PIERS intensity is among the highest measured until now but most importantly the duration of the effect is significantly longer (at least 8 days). Cathodoluminescence measurements on these samples show that two distinct mechanisms are at stake for co-deposited and drop-casted gold nanoparticles. The oxygen vacancies hypothesis tends to be confirmed for the latter, but the narrowing of the depletion zone explains the long PIERS effect.
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Affiliation(s)
- Andrea Brognara
- Dipartimento di Energia, Micro and Nanostructured Materials Laboratory, Politecnico di Milano, via Ponzio 34/3, Milano, I-20133, Italy
- Department of Structure and Nano/-Micromechanics of Materials, Max-Planck-Institut für Eisenforschung GmbH, Max-Planck-Straße 1, 40237, Düsseldorf, Germany
| | - Beatrice R Bricchi
- Dipartimento di Energia, Micro and Nanostructured Materials Laboratory, Politecnico di Milano, via Ponzio 34/3, Milano, I-20133, Italy
| | - Ludovic William
- Laboratoire des Sciences des Procédés et des Matériaux (LSPM), CNRS, Université Sorbonne Paris Nord, Villetaneuse, 93430, France
| | - Ovidiu Brinza
- Laboratoire des Sciences des Procédés et des Matériaux (LSPM), CNRS, Université Sorbonne Paris Nord, Villetaneuse, 93430, France
| | - Maria Konstantakopoulou
- Laboratoire des Sciences des Procédés et des Matériaux (LSPM), CNRS, Université Sorbonne Paris Nord, Villetaneuse, 93430, France
| | - Andrea Li Bassi
- Dipartimento di Energia, Micro and Nanostructured Materials Laboratory, Politecnico di Milano, via Ponzio 34/3, Milano, I-20133, Italy
| | - Matteo Ghidelli
- Dipartimento di Energia, Micro and Nanostructured Materials Laboratory, Politecnico di Milano, via Ponzio 34/3, Milano, I-20133, Italy
- Department of Structure and Nano/-Micromechanics of Materials, Max-Planck-Institut für Eisenforschung GmbH, Max-Planck-Straße 1, 40237, Düsseldorf, Germany
- Laboratoire des Sciences des Procédés et des Matériaux (LSPM), CNRS, Université Sorbonne Paris Nord, Villetaneuse, 93430, France
| | - Nathalie Lidgi-Guigui
- Laboratoire des Sciences des Procédés et des Matériaux (LSPM), CNRS, Université Sorbonne Paris Nord, Villetaneuse, 93430, France
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3
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Boudria R, Laurienté V, Oudar A, Harouna-Rachidi S, Dondi E, Le Roy C, Gardano L, Varin-Blank N, Guittat L. Regulatory interplay between Vav1, Syk and β-catenin occurs in lung cancer cells. Cell Signal 2021; 86:110079. [PMID: 34252536 DOI: 10.1016/j.cellsig.2021.110079] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 06/30/2021] [Accepted: 07/05/2021] [Indexed: 01/15/2023]
Abstract
Vav1 exhibits two signal transducing properties as an adaptor protein and a regulator of cytoskeleton organization through its Guanine nucleotide Exchange Factor module. Although the expression of Vav1 is restricted to the hematopoietic lineage, its ectopic expression has been unraveled in a number of solid tumors. In this study, we show that in lung cancer cells, as such in hematopoietic cells, Vav1 interacts with the Spleen Tyrosine Kinase, Syk. Likewise, Syk interacts with β-catenin and, together with Vav1, regulates the phosphorylation status of β-catenin. Depletion of Vav1, Syk or β-catenin inhibits Rac1 activity and decreases cell migration suggesting the interplay of the three effectors to a common signaling pathway. This model is further supported by the finding that in turn, β-catenin regulates the transcription of Syk gene expression. This study highlights the elaborated connection between Vav1, Syk and β-catenin and the contribution of the trio to cell migration.
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Affiliation(s)
- Rofia Boudria
- INSERM, UMR 978, Bobigny, France; Labex Inflamex, Université Sorbonne Paris Nord, UFR SMBH, Bobigny, France
| | - Vanessa Laurienté
- INSERM, UMR 978, Bobigny, France; Labex Inflamex, Université Sorbonne Paris Nord, UFR SMBH, Bobigny, France
| | - Antonin Oudar
- INSERM, UMR 978, Bobigny, France; Labex Inflamex, Université Sorbonne Paris Nord, UFR SMBH, Bobigny, France
| | - Souleymane Harouna-Rachidi
- INSERM, UMR 978, Bobigny, France; Labex Inflamex, Université Sorbonne Paris Nord, UFR SMBH, Bobigny, France
| | - Elisabetta Dondi
- INSERM, UMR 978, Bobigny, France; Labex Inflamex, Université Sorbonne Paris Nord, UFR SMBH, Bobigny, France
| | - Christine Le Roy
- INSERM, UMR 978, Bobigny, France; Labex Inflamex, Université Sorbonne Paris Nord, UFR SMBH, Bobigny, France
| | - Laura Gardano
- INSERM, UMR 978, Bobigny, France; Labex Inflamex, Université Sorbonne Paris Nord, UFR SMBH, Bobigny, France
| | - Nadine Varin-Blank
- INSERM, UMR 978, Bobigny, France; Labex Inflamex, Université Sorbonne Paris Nord, UFR SMBH, Bobigny, France.
| | - Lionel Guittat
- INSERM, UMR 978, Bobigny, France; Labex Inflamex, Université Sorbonne Paris Nord, UFR SMBH, Bobigny, France.
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4
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Lin T, Song YL, Liao J, Liu F, Zeng TT. Applications of surface-enhanced Raman spectroscopy in detection fields. Nanomedicine (Lond) 2020; 15:2971-2989. [PMID: 33140686 DOI: 10.2217/nnm-2020-0361] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Surface-enhanced Raman spectroscopy (SERS) is a Raman spectroscopy technique that has been widely used in food safety, environmental monitoring, medical diagnosis and treatment and drug monitoring because of its high selectivity, sensitivity, rapidness, simplicity and specificity in identifying molecular structures. This review introduces the detection mechanism of SERS and summarizes the most recent progress concerning the use of SERS for the detection and characterization of molecules, providing references for the later research of SERS in detection fields.
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Affiliation(s)
- Ting Lin
- Department of Hematology, Institute of Hematology, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Ya-Li Song
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Juan Liao
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Fang Liu
- Department of Laboratory Pathology, Xijing Hospital, Fourth Military Medical University, Xian, 710054, PR China
| | - Ting-Ting Zeng
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, PR China
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5
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Ma H, Han XX, Zhao B. Enhanced Raman spectroscopic analysis of protein post-translational modifications. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.116019] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Safar W, Lequeux M, Solard J, Fischer APA, Felidj N, Gucciardi PG, Edely M, Lamy de la Chapelle M. Gold Nanocylinders on Gold Film as a Multi-spectral SERS Substrate. NANOMATERIALS 2020; 10:nano10050927. [PMID: 32403295 PMCID: PMC7279415 DOI: 10.3390/nano10050927] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 04/22/2020] [Accepted: 04/24/2020] [Indexed: 12/28/2022]
Abstract
The surface enhanced Raman scattering (SERS) efficiency of gold nanocylinders deposited on gold thin film is studied. Exploiting the specific plasmonic properties of such substrates, we determine the influence of the nanocylinder diameter and the film thickness on the SERS signal at three different excitation wavelengths (532, 638 and 785 nm). We demonstrate that the highest signal is reached for the highest diameter of 250 nm due to coupling between the nanocylinders and for the lowest thickness (20 nm) as the excited plasmon is created at the interface between the gold and glass substrate. Moreover, even if we show that the highest SERS efficiency is obtained for an excitation wavelength of 638 nm, a large SERS signal can be obtained at all excitation wavelengths and on a wide spectral range. We demonstrate that it can be related with the nature of the plasmon (propagative plasmon excited through the nanocylinder grating) and with its angular dependence (tuning of the plasmon position with the excitation angle). Such an effect allows the excitation of plasmon on nearly the whole visible range, and paves the way to multispectral SERS substrates.
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Affiliation(s)
- Wafa Safar
- Institut des Molécules et Matériaux du Mans (IMMM - UMR CNRS 6283), Université du Mans, Avenue Olivier Messiaen, 72085 Le Mans CEDEX 9, France; (W.S.); (M.E.)
| | - Médéric Lequeux
- Laboratoire CSPBAT, Université Sorbonne Paris Nord, CNRS, (UMR 7244), 74 rue Marcel Cachin, 93017 Bobigny, France;
| | - Jeanne Solard
- Laboratoire de Physique des Lasers, Université Sorbonne Paris Nord, CNRS, (UMR 7538), 99 av. JB Clément, 93450 Villetaneuse, France; (J.S.); (A.P.A.F.)
| | - Alexis P. A. Fischer
- Laboratoire de Physique des Lasers, Université Sorbonne Paris Nord, CNRS, (UMR 7538), 99 av. JB Clément, 93450 Villetaneuse, France; (J.S.); (A.P.A.F.)
| | - Nordin Felidj
- Université de Paris, ITODYS, CNRS, UMR 7086, 15 rue J-A de Baïf, F-75013 Paris, France;
| | - Pietro Giuseppe Gucciardi
- CNR IPCF, Istituto per i Processi Chimico-Fisici, Viale F. Stagno D’Alcontres 37, I-98158 Messina, Italy;
| | - Mathieu Edely
- Institut des Molécules et Matériaux du Mans (IMMM - UMR CNRS 6283), Université du Mans, Avenue Olivier Messiaen, 72085 Le Mans CEDEX 9, France; (W.S.); (M.E.)
| | - Marc Lamy de la Chapelle
- Institut des Molécules et Matériaux du Mans (IMMM - UMR CNRS 6283), Université du Mans, Avenue Olivier Messiaen, 72085 Le Mans CEDEX 9, France; (W.S.); (M.E.)
- Correspondence:
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7
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Balbaied T, Moore E. Overview of Optical and Electrochemical Alkaline Phosphatase (ALP) Biosensors: Recent Approaches in Cells Culture Techniques. BIOSENSORS 2019; 9:E102. [PMID: 31450819 PMCID: PMC6784369 DOI: 10.3390/bios9030102] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/15/2019] [Accepted: 08/19/2019] [Indexed: 12/12/2022]
Abstract
Alkaline phosphatase (ALP), which catalyzes the dephosphorylation process of proteins, nucleic acids, and small molecules, can be found in a variety of tissues (intestine, liver, bone, kidney, and placenta) of almost all living organisms. This enzyme has been extensively used as a biomarker in enzyme immunoassays and molecular biology. ALP is also one of the most commonly assayed enzymes in routine clinical practice. Due to its close relation to a variety of pathological processes, ALP's abnormal level is an important diagnostic biomarker of many human diseases, such as liver dysfunction, bone diseases, kidney acute injury, and cancer. Therefore, the development of convenient and reliable assay methods for monitoring ALP activity/level is extremely important and valuable, not only for clinical diagnoses but also in the area of biomedical research. This paper comprehensively reviews the strategies of optical and electrochemical detection of ALP and discusses the electrochemical techniques that have been addressed to make them suitable for ALP analysis in cell culture.
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Affiliation(s)
- Thanih Balbaied
- University College Cork, Sensing & Separation Group, School of Chemistry and life Science Interface, Tyndall National Institute, T12R5CP Cork, Ireland
| | - Eric Moore
- University College Cork, Sensing & Separation Group, School of Chemistry and life Science Interface, Tyndall National Institute, T12R5CP Cork, Ireland.
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SYK Inhibition Potentiates the Effect of Chemotherapeutic Drugs on Neuroblastoma Cells in Vitro. Cancers (Basel) 2019; 11:cancers11020202. [PMID: 30744170 PMCID: PMC6406899 DOI: 10.3390/cancers11020202] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 02/04/2019] [Accepted: 02/06/2019] [Indexed: 12/13/2022] Open
Abstract
Neuroblastoma is a malignancy arising from the developing sympathetic nervous system and the most common and deadly cancer of infancy. New therapies are needed to improve the prognosis for high-risk patients and to reduce toxicity and late effects. Spleen tyrosine kinase (SYK) has previously been identified as a promising drug target in various inflammatory diseases and cancers but has so far not been extensively studied as a potential therapeutic target in neuroblastoma. In this study, we observed elevated SYK gene expression in neuroblastoma compared to neural crest and benign neurofibroma. While SYK protein was detected in the majority of examined neuroblastoma tissues it was less frequently observed in neuroblastoma cell lines. Depletion of SYK by siRNA and the use of small molecule SYK inhibitors significantly reduced the cell viability of neuroblastoma cell lines expressing SYK protein. Moreover, SYK inhibition decreased ERK1/2 and Akt phosphorylation. The SYK inhibitor BAY 61-3606 enhanced the effect of different chemotherapeutic drugs. Transient expression of a constitutive active SYK variant increased the viability of neuroblastoma cells independent of endogenous SYK levels. Collectively, our findings suggest that targeting SYK in combination with conventional chemotherapy should be further evaluated as a treatment option in neuroblastoma.
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Jia M, Li S, Zang L, Lu X, Zhang H. Analysis of Biomolecules Based on the Surface Enhanced Raman Spectroscopy. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E730. [PMID: 30223597 PMCID: PMC6165412 DOI: 10.3390/nano8090730] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 09/10/2018] [Accepted: 09/14/2018] [Indexed: 12/24/2022]
Abstract
Analyzing biomolecules is essential for disease diagnostics, food safety inspection, environmental monitoring and pharmaceutical development. Surface-enhanced Raman spectroscopy (SERS) is a powerful tool for detecting biomolecules due to its high sensitivity, rapidness and specificity in identifying molecular structures. This review focuses on the SERS analysis of biomolecules originated from humans, animals, plants and microorganisms, combined with nanomaterials as SERS substrates and nanotags. Recent advances in SERS detection of target molecules were summarized with different detection strategies including label-free and label-mediated types. This comprehensive and critical summary of SERS analysis of biomolecules might help researchers from different scientific backgrounds spark new ideas and proposals.
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Affiliation(s)
- Min Jia
- Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Key Laboratory of Food Nutrition and Safety of Shandong Normal University, College of Life Science, Shandong Normal University, Jinan 250014, China.
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing 100048, China.
| | - Shenmiao Li
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
| | - Liguo Zang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Key Laboratory of Food Nutrition and Safety of Shandong Normal University, College of Life Science, Shandong Normal University, Jinan 250014, China.
| | - Xiaonan Lu
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
| | - Hongyan Zhang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Key Laboratory of Food Nutrition and Safety of Shandong Normal University, College of Life Science, Shandong Normal University, Jinan 250014, China.
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10
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Gillibert R, Triba MN, Lamy de la Chapelle M. Surface enhanced Raman scattering sensor for highly sensitive and selective detection of ochratoxin A. Analyst 2018; 143:339-345. [DOI: 10.1039/c7an01730h] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
An aptamer based SERS sensor was developed to detect picomolar concentrated ochratoxin solutions using an OPLS model.
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Affiliation(s)
- Raymond Gillibert
- Université Paris 13
- Sorbonne Paris Cité
- Laboratoire CSPBAT
- CNRS
- (UMR 7244)
| | - Mohamed N. Triba
- Université Paris 13
- Sorbonne Paris Cité
- Laboratoire CSPBAT
- CNRS
- (UMR 7244)
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