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Pinho V, Neves-Petersen MT, Machado R, Castro Gomes A. Light Assisted Covalent Immobilization of Proteins for Biomedical Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2025; 21:e2406561. [PMID: 39887935 DOI: 10.1002/smll.202406561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2024] [Revised: 01/24/2025] [Indexed: 02/01/2025]
Abstract
The covalent immobilization of proteins attracts considerable interest in the biomedical field due to its potential applications in biosensors, recombinant protein purification, and the development of personalized therapeutic carriers. In response to the demand for more cost-effective, time-efficient, and simpler protocols, photo-immobilization emerges as a technique that circumvents the limitations of conventional methods. This approach offers enhanced precision at the nanoscale level and facilitates device reusability, thereby aligning with current sustainability concerns. Photo-immobilization is versatile, as it can be applied to both 2D and 3D substrates. While some methods involve complex protocols using genetically engineered photosensitive linkers, more straightforward techniques rely on amino acid bonds, such as disulfide bonds, for covalent protein bonding. Photo-immobilization can be achieved with both ultraviolet (UV) and visible light. This systematic review examines literature from Scopus, PubMed, and Web of Science, offering insights into relevant studies and considerations for covalent protein immobilization, and presents photochemical approaches applicable to major protein types.
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Affiliation(s)
- Vanessa Pinho
- Centre of Molecular and Environmental Biology (CBMA)/Aquatic Research Network (ARNET) Associate Laboratory, Universidade do Minho, Campus de Gualtar, Braga, 4710-057, Portugal
- Institute of Science and Innovation for Sustainability (IB-S), Universidade do Minho, Campus de Gualtar, Braga, 4710-057, Portugal
| | | | - Raúl Machado
- Centre of Molecular and Environmental Biology (CBMA)/Aquatic Research Network (ARNET) Associate Laboratory, Universidade do Minho, Campus de Gualtar, Braga, 4710-057, Portugal
- Institute of Science and Innovation for Sustainability (IB-S), Universidade do Minho, Campus de Gualtar, Braga, 4710-057, Portugal
| | - Andreia Castro Gomes
- Centre of Molecular and Environmental Biology (CBMA)/Aquatic Research Network (ARNET) Associate Laboratory, Universidade do Minho, Campus de Gualtar, Braga, 4710-057, Portugal
- Institute of Science and Innovation for Sustainability (IB-S), Universidade do Minho, Campus de Gualtar, Braga, 4710-057, Portugal
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Nagy TM, Knapp K, Illyés E, Timári I, Schlosser G, Csík G, Borics A, Majer Z, Kövér KE. Photochemical and Structural Studies on Cyclic Peptide Models. Molecules 2018; 23:molecules23092196. [PMID: 30200264 PMCID: PMC6225265 DOI: 10.3390/molecules23092196] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 08/24/2018] [Accepted: 08/26/2018] [Indexed: 11/22/2022] Open
Abstract
Ultra-violet (UV) irradiation has a significant impact on the structure and function of proteins that is supposed to be in relationship with the tryptophan-mediated photolysis of disulfide bonds. To investigate the correlation between the photoexcitation of Trp residues in polypeptides and the associated reduction of disulfide bridges, a series of small, cyclic oligopeptide models were analyzed in this work. Average distances between the aromatic side chains and the disulfide bridge were determined following molecular mechanics (MM) geometry optimizations. In this way, the possibility of cation–π interactions was also investigated. Molecular mechanics calculations revealed that the shortest distance between the side chain of the Trp residues and the disulfide bridge is approximately 5 Å in the cyclic pentapeptide models. Based on this, three tryptophan-containing cyclopeptide models were synthesized and analyzed by nuclear magnetic resonance (NMR) spectroscopy. Experimental data and detailed molecular dynamics (MD) simulations were in good agreement with MM geometry calculations. Selected model peptides were subjected to photolytic degradation to study the correlation of structural features and the photolytic cleavage of disulfide bonds in solution. Formation of free sulfhydryl groups upon illumination with near UV light was monitored by fluorescence spectroscopy after chemical derivatization with 7-diethylamino-3-(4-maleimidophenyl)-4-methylcoumarin (CPM) and mass spectrometry. Liquid cromatography-mass spectrometry (LC-MS) measurements indicated the presence of multiple photooxidation products (e.g., dimers, multimers and other oxidated products), suggesting that besides the photolysis of disulfide bonds secondary photolytic processes take place.
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Affiliation(s)
- Tamás Milán Nagy
- Department of Inorganic and Analytical Chemistry, University of Debrecen, H-4032 Debrecen, Egyetem tér 1, Hungary.
| | - Krisztina Knapp
- Institute of Chemistry, Department of Organic Chemistry, ELTE Eötvös Loránd University, H-1518 Budapest, 112. P.O. Box 32, Hungary.
| | - Eszter Illyés
- Chemie Ltd., H-1022 Budapest, Herman Ottó út 15, Hungary.
| | - István Timári
- Department of Inorganic and Analytical Chemistry, University of Debrecen, H-4032 Debrecen, Egyetem tér 1, Hungary.
| | - Gitta Schlosser
- Department of Analytical Chemistry, Institute of Chemistry, ELTE Eötvös Loránd University, H-1518 Budapest 112, P.O. Box 32, Hungary.
| | - Gabriella Csík
- Department of Biophysics and Radiation Biology, Semmelweis University Budapest, H-1428 Budapest, P.O. Box 2, Hungary.
| | - Attila Borics
- Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences, Temesvári krt. 62, H-6726 Szeged, Hungary.
| | - Zsuzsa Majer
- Institute of Chemistry, Department of Organic Chemistry, ELTE Eötvös Loránd University, H-1518 Budapest, 112. P.O. Box 32, Hungary.
| | - Katalin E Kövér
- Department of Inorganic and Analytical Chemistry, University of Debrecen, H-4032 Debrecen, Egyetem tér 1, Hungary.
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Papadimitriou VA, Segerink LI, van den Berg A, Eijkel JCT. 3D capillary stop valves for versatile patterning inside microfluidic chips. Anal Chim Acta 2017; 1000:232-238. [PMID: 29289315 DOI: 10.1016/j.aca.2017.11.055] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 11/20/2017] [Accepted: 11/22/2017] [Indexed: 10/18/2022]
Abstract
The patterning of antibodies in microfluidics chips is always a delicate process that is usually done in an open chip before bonding. Typical bonding techniques such as plasma treatment can harm the antibodies with as result that they are removed from our fabrication toolbox. Here we propose a method, based on capillary phenomena using 3D capillary valves, that autonomously and conveniently allows us to pattern liquids inside closed chips. We theoretically analyse the system and demonstrate how our analysis can be used as a design tool for various applications. Chips patterned with the method were used for simple immunodetection of a cardiac biomarker which demonstrates its suitability for antibody patterning.
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Affiliation(s)
- V A Papadimitriou
- BIOS-Lab on a Chip Group, MESA+ Institute of Nanotechnology, MIRA Institute for Biomedical Technology and Technical Medicine, Max Planck - University of Twente Center for Complex Fluid Dynamics, University of Twente, The Netherlands.
| | - L I Segerink
- BIOS-Lab on a Chip Group, MESA+ Institute of Nanotechnology, MIRA Institute for Biomedical Technology and Technical Medicine, Max Planck - University of Twente Center for Complex Fluid Dynamics, University of Twente, The Netherlands
| | - A van den Berg
- BIOS-Lab on a Chip Group, MESA+ Institute of Nanotechnology, MIRA Institute for Biomedical Technology and Technical Medicine, Max Planck - University of Twente Center for Complex Fluid Dynamics, University of Twente, The Netherlands
| | - J C T Eijkel
- BIOS-Lab on a Chip Group, MESA+ Institute of Nanotechnology, MIRA Institute for Biomedical Technology and Technical Medicine, Max Planck - University of Twente Center for Complex Fluid Dynamics, University of Twente, The Netherlands
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Della Ventura B, Ambrosio A, Fierro A, Funari R, Gesuele F, Maddalena P, Mayer D, Pica Ciamarra M, Velotta R, Altucci C. Simple and Flexible Model for Laser-Driven Antibody-Gold Surface Interactions: Functionalization and Sensing. ACS APPLIED MATERIALS & INTERFACES 2016; 8:21762-21769. [PMID: 27456037 DOI: 10.1021/acsami.6b04449] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Interactions between biomolecules and between substrates and biomolecules is a crucial issue in physics and applications to topics such as biotechnology and organic electronics. The efficiency of bio- and mechanical sensors, of organic electronics systems, and of a number of other devices critically depends on how molecules are deposited on a surface so that these acquire specific functions. Here, we tackle this vast problem by developing a coarse grained model of biomolecules having a recognition function, such as antibodies, capable to quantitatively describe in a simple manner essential phenomena: antigen-antibody and antibody substrate interactions. The model is experimentally tested to reproduce the results of a benchmark case, such as (1) gold surface functionalization with antibodies and (2) antibody-antigen immune-recognition function. The agreement between experiments and model prediction is excellent, thus unveiling the mechanism for antibody immobilization onto metals at the nanoscale in various functionalization schemes. These results shed light on the geometrical packing properties of the deposited molecules, and may open the way to a novel coarse-grained based approach to describe other processes where molecular packing is a key issue with applications in a huge number of fields from nano- to biosciences.
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Affiliation(s)
| | - Antonio Ambrosio
- Harvard School of Engineering and Applied Sciences, Harvard University , 9 Oxford Street, Room 125, Cambridge, Massachussetts 02138, United States
| | | | | | | | | | - Dirk Mayer
- Peter Grünberg Institute (PGI-8) and Institute of Complex Systems (ICS-8), Forschungszentrum Jülich GmbH , 52428 Jülich, Germany
| | - Massimo Pica Ciamarra
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University , 637371 Singapore
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Galloway CM, Kreuzer MP, Aćimović SS, Volpe G, Correia M, Petersen SB, Neves-Petersen MT, Quidant R. Plasmon-assisted delivery of single nano-objects in an optical hot spot. NANO LETTERS 2013; 13:4299-304. [PMID: 23915079 DOI: 10.1021/nl402071p] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Fully exploiting the capability of nano-optics to enhance light-matter interaction on the nanoscale is conditioned by bringing the nano-object to interrogate within the minuscule volume where the field is concentrated. There currently exists several approaches to control the immobilization of nano-objects but they all involve a cumbersome delivery step and require prior knowledge of the "hot spot" location. Herein, we present a novel technique in which the enhanced local field in the hot spot is the driving mechanism that triggers the binding of proteins via three-photon absorption. This way, we demonstrate exclusive immobilization of nanoscale amounts of bovine serum albumin molecules into the nanometer-sized gap of plasmonic dimers. The immobilized proteins can then act as a scaffold to subsequently attach an additional nanoscale object such as a molecule or a nanocrystal. This universal technique is envisioned to benefit a wide range of nano-optical functionalities including biosensing, enhanced spectroscopy like surface-enhanced Raman spectroscopy or surface-enhanced infrared absorption spectroscopy, as well as quantum optics.
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Affiliation(s)
- Christopher M Galloway
- ICFO - Institut de Ciencies Fotoniques , Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain
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Funari R, Della Ventura B, Schiavo L, Esposito R, Altucci C, Velotta R. Detection of Parathion Pesticide by Quartz Crystal Microbalance Functionalized with UV-Activated Antibodies. Anal Chem 2013; 85:6392-7. [DOI: 10.1021/ac400852c] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Riccardo Funari
- Department of Physics, Università di Napoli Federico II, Via Cintia,
26, Naples 80126, Italy
| | | | - Luigi Schiavo
- Department of Physics, Università di Napoli Federico II, Via Cintia,
26, Naples 80126, Italy
| | - Rosario Esposito
- Department of Physics, Università di Napoli Federico II, Via Cintia,
26, Naples 80126, Italy
| | - Carlo Altucci
- Department of Physics, Università di Napoli Federico II, Via Cintia,
26, Naples 80126, Italy
| | - Raffaele Velotta
- Department of Physics, Università di Napoli Federico II, Via Cintia,
26, Naples 80126, Italy
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Putzbach W, Ronkainen NJ. Immobilization techniques in the fabrication of nanomaterial-based electrochemical biosensors: a review. SENSORS (BASEL, SWITZERLAND) 2013; 13:4811-40. [PMID: 23580051 PMCID: PMC3673113 DOI: 10.3390/s130404811] [Citation(s) in RCA: 253] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 04/02/2013] [Accepted: 04/09/2013] [Indexed: 01/12/2023]
Abstract
The evolution of 1st to 3rd generation electrochemical biosensors reflects a simplification and enhancement of the transduction pathway. However, in recent years, modification of the transducer with nanomaterials has become increasingly studied and imparts many advantages. The sensitivity and overall performance of enzymatic biosensors has improved tremendously as a result of incorporating nanomaterials in their fabrication. Given the unique and favorable qualities of gold nanoparticles, graphene and carbon nanotubes as applied to electrochemical biosensors, a consolidated survey of the different methods of nanomaterial immobilization on transducer surfaces and enzyme immobilization on these species is beneficial and timely. This review encompasses modification of enzymatic biosensors with gold nanoparticles, carbon nanotubes, and graphene.
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Affiliation(s)
- William Putzbach
- Department of Cell & Molecular Biology, Northwestern University, 303 E. Chicago Avenue, Chicago, IL 60611, USA; E-Mail:
- Department of Chemistry and Biochemistry, Benedictine University, 5700 College Road, Lisle, IL 60532, USA
| | - Niina J. Ronkainen
- Department of Chemistry and Biochemistry, Benedictine University, 5700 College Road, Lisle, IL 60532, USA
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Correia M, Neves-Petersen MT, Parracino A, di Gennaro AK, Petersen SB. Photophysics, photochemistry and energetics of UV light induced disulphide bridge disruption in apo-α-lactalbumin. J Fluoresc 2012; 22:323-37. [PMID: 21997288 DOI: 10.1007/s10895-011-0963-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2011] [Accepted: 08/30/2011] [Indexed: 11/29/2022]
Abstract
Continuous 295 nm excitation of whey protein bovine apo-α-lactalbumin (apo-bLA) results in an increase of tryptophan fluorescence emission intensity, in a progressive red-shift of tryptophan fluorescence emission, and breakage of disulphide bridges (SS), yielding free thiol groups. The increase in fluorescence emission intensity upon continuous UV-excitation is correlated with the increase in concentration of free thiol groups in apo-bLA. UV-excitation and consequent SS breakage induce conformational changes on apo-bLA molecules, which after prolonged illumination display molten globule spectral features. The rate of tryptophan fluorescence emission intensity increase at 340 nm with excitation time increases with temperature in the interval 9.3-29.9°C. The temperature-dependent 340 nm emission kinetic traces were fitted by a 1st order reaction model. Native apo-bLA molecules with intact SS bonds and low tryptophan emission intensity are gradually converted upon excitation into apo-bLA molecules with disrupted SS, molten-globule-like conformation, high tryptophan emission intensity and red-shifted tryptophan emission. Experimental Ahrrenius activation energy was 21.8 ± 2.3 kJ x mol(-1). Data suggests that tryptophan photoionization from the S(1) state is the likely pathway leading to photolysis of SS in apo-bLA. Photoionization mechanism(s) of tryptophan in proteins and in solution and the activation energy of tryptophan photoionization from S(1) leading to SS disruption in proteins are discussed. The observations present in this paper raise concern regarding UV-light pasteurization of milk products. Though UV-light pasteurization is a faster and cheaper method than traditional thermal denaturation, it may also lead to loss of structure and functionality of milk proteins.
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Affiliation(s)
- Manuel Correia
- Department of Physics and Nanotechnology, Aalborg University, Skjernvej 4A, DK-9220, Aalborg, Denmark.
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Petersen SB, Kold di Gennaro A, Neves-Petersen MT, Skovsen E, Parracino A. Immobilization of biomolecules onto surfaces according to ultraviolet light diffraction patterns. APPLIED OPTICS 2010; 49:5344-5350. [PMID: 20885470 DOI: 10.1364/ao.49.005344] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
We developed a method for immobilization of biomolecules onto thiol functionalized surfaces according to UV diffraction patterns. UV light-assisted molecular immobilization proceeds through the formation of free, reactive thiol groups that can bind covalently to thiol reactive surfaces. We demonstrate that, by shaping the pattern of the UV light used to induce molecular immobilization, one can control the pattern of immobilized molecules onto the surface. Using a single-aperture spatial mask, combined with the Fourier transforming property of a focusing lens, we show that submicrometer (0.7 μm) resolved patterns of immobilized prostate-specific antigen biomolecules can be created. If a dual-aperture spatial mask is used, the results differ from the expected Fourier transform pattern of the mask. It appears as a superposition of two diffraction patterns produced by the two apertures, with a fine structured interference pattern superimposed.
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Affiliation(s)
- Steffen Bjørn Petersen
- Nanobiotechnology Group, Department of Physics and Nanotechnology, Aalborg University, Skjernvej 4A, Aalborg, Denmark.
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Duroux M, Skovsen E, Neves-Petersen MT, Duroux L, Gurevich L, Petersen SB. Light-induced immobilisation of biomolecules as an attractive alternative to microdroplet dispensing-based arraying technologies. Proteomics 2007; 7:3491-9. [PMID: 17907272 DOI: 10.1002/pmic.200700472] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The present work shows how UV 'light-induced molecular immobilisation' (LIMI) of biomolecules onto thiol reactive surfaces can be used to make biosensors, without the need for traditional microdispensing technologies. Using 'LIMI,' arrays of biomolecules can be created with a high degree of reproducibility. This technology can be used to circumvent the need for often expensive nano/microdispensing technologies. The ultimate size of the immobilised spots is defined by the focal area of the UV beam, which for a diffraction-limited beam can be less than 1 microm in diameter. LIMI has the added benefit that the immobilised molecules will be spatially oriented and covalently bound to the surface. The activity of the sensor molecules is retained. Antibody sensor arrays made using LIMI demonstrated successful antigen binding. In addition, the pattern of immobilised molecules on the surface is not restricted to conventional array formats. The ultimate consequence of the LIMI is that it is possible to write complex protein patterns using bitmaps at high resolution onto substrates. Thus, LIMI of biomolecules provides a new technological platform for biomolecular immobilisation and the potential for replacing present microdispensing arraying technologies.
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Affiliation(s)
- Meg Duroux
- NanoBiotechnology Group, Department of Physics and Nanotechnology, Aalborg University, Aalborg, Denmark
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Neves-Petersen MT, Snabe T, Klitgaard S, Duroux M, Petersen SB. Photonic activation of disulfide bridges achieves oriented protein immobilization on biosensor surfaces. Protein Sci 2006; 15:343-51. [PMID: 16434746 PMCID: PMC2242448 DOI: 10.1110/ps.051885306] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Photonic induced immobilization is a novel technology that results in spatially oriented and spatially localized covalent coupling of biomolecules onto thiol-reactive surfaces. Immobilization using this technology has been achieved for a wide selection of proteins, such as hydrolytic enzymes (lipases/esterases, lysozyme), proteases (human plasminogen), alkaline phosphatase, immunoglobulins' Fab fragment (e.g., antibody against PSA [prostate specific antigen]), Major Histocompability Complex class I protein, pepsin, and trypsin. The reaction mechanism behind the reported new technology involves "photonic activation of disulfide bridges," i.e., light-induced breakage of disulfide bridges in proteins upon UV illumination of nearby aromatic amino acids, resulting in the formation of free, reactive thiol groups that will form covalent bonds with thiol-reactive surfaces (see Fig. 1). Interestingly, the spatial proximity of aromatic residues and disulfide bridges in proteins has been preserved throughout molecular evolution. The new photonic-induced method for immobilization of proteins preserves the native structural and functional properties of the immobilized protein, avoiding the use of one or more chemical/thermal steps. This technology allows for the creation of spatially oriented as well as spatially defined multiprotein/DNA high-density sensor arrays with spot size of 1 microm or less, and has clear potential for biomedical, bioelectronic, nanotechnology, and therapeutic applications.
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