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Pratakshya P, Xu C, Dibble DJ, Mukazhanova A, Liu P, Burke AM, Kurakake R, Lopez R, Dennison PR, Sharifzadeh S, Gorodetsky AA. Octopus-inspired deception and signaling systems from an exceptionally-stable acene variant. Nat Commun 2023; 14:8528. [PMID: 38135683 PMCID: PMC10746719 DOI: 10.1038/s41467-023-40163-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 07/14/2023] [Indexed: 12/24/2023] Open
Abstract
Multifunctional platforms that can dynamically modulate their color and appearance have attracted attention for applications as varied as displays, signaling, camouflage, anti-counterfeiting, sensing, biomedical imaging, energy conservation, and robotics. Within this context, the development of camouflage systems with tunable spectroscopic and fluorescent properties that span the ultraviolet, visible, and near-infrared spectral regions has remained exceedingly challenging because of frequently competing materials and device design requirements. Herein, we draw inspiration from the unique blue rings of the Hapalochlaena lunulata octopus for the development of deception and signaling systems that resolve these critical challenges. As the active material, our actuator-type systems incorporate a readily-prepared and easily-processable nonacene-like molecule with an ambient-atmosphere stability that exceeds the state-of-the-art for comparable acenes by orders of magnitude. Devices from this active material feature a powerful and unique combination of advantages, including straightforward benchtop fabrication, competitive baseline performance metrics, robustness during cycling with the capacity for autonomous self-repair, and multiple dynamic multispectral operating modes. When considered together, the described exciting discoveries point to new scientific and technological opportunities in the areas of functional organic materials, reconfigurable soft actuators, and adaptive photonic systems.
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Affiliation(s)
- Preeta Pratakshya
- Department of Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Chengyi Xu
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, CA, 92697, USA
| | - David J Dibble
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, Irvine, CA, 92697, USA
| | - Aliya Mukazhanova
- Division of Materials Science and Engineering, Boston University, Boston, MA, 02215, USA
| | - Panyiming Liu
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, CA, 92697, USA
| | - Anthony M Burke
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, Irvine, CA, 92697, USA
| | - Reina Kurakake
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, CA, 92697, USA
| | - Robert Lopez
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, CA, 92697, USA
| | - Philip R Dennison
- Department of Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Sahar Sharifzadeh
- Division of Materials Science and Engineering, Boston University, Boston, MA, 02215, USA
- Department of Chemistry, Boston University, Boston, MA, 02215, USA
- Department of Physics, Boston University, Boston, MA, 02215, USA
- Department of Electrical and Computer Engineering, Boston University, Boston, MA, 02215, USA
| | - Alon A Gorodetsky
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, CA, 92697, USA.
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, Irvine, CA, 92697, USA.
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Chatterjee A, Pratakshya P, Kwansa AL, Kaimal N, Cannon AH, Sartori B, Marmiroli B, Orins H, Feng Z, Drake S, Couvrette J, Le L, Bernstorff S, Yingling YG, Gorodetsky AA. Squid Skin Cell-Inspired Refractive Index Mapping of Cells, Vesicles, and Nanostructures. ACS Biomater Sci Eng 2023; 9:978-990. [PMID: 36692450 DOI: 10.1021/acsbiomaterials.2c00088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The fascination with the optical properties of naturally occurring systems has been driven in part by nature's ability to produce a diverse palette of vibrant colors from a relatively small number of common structural motifs. Within this context, some cephalopod species have evolved skin cells called iridophores and leucophores whose constituent ultrastructures reflect light in different ways but are composed of the same high refractive index material─a protein called reflectin. Although such natural optical systems have attracted much research interest, measuring the refractive indices of biomaterial-based structures across multiple different environments and establishing theoretical frameworks for accurately describing the obtained refractive index values has proven challenging. Herein, we employ a synergistic combination of experimental and computational methodologies to systematically map the three-dimensional refractive index distributions of model self-assembled reflectin-based structures both in vivo and in vitro. When considered together, our findings may improve understanding of squid skin cell functionality, augment existing methods for characterizing protein-based optical materials, and expand the utility of emerging holotomographic microscopy techniques.
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Affiliation(s)
- Atrouli Chatterjee
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, Irvine, California 92697, United States
| | - Preeta Pratakshya
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Albert L Kwansa
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Nikhil Kaimal
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, Irvine, California 92697, United States
| | - Andrew H Cannon
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Barbara Sartori
- Institute of Inorganic Chemistry, Graz University of Technology, Graz 8010, Austria
| | - Benedetta Marmiroli
- Institute of Inorganic Chemistry, Graz University of Technology, Graz 8010, Austria
| | - Helen Orins
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, Irvine, California 92697, United States
| | - Zhijing Feng
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, Irvine, California 92697, United States
| | - Samantha Drake
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, California 92697, United States
| | - Justin Couvrette
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, California 92697, United States
| | - LeAnn Le
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, Irvine, California 92697, United States
| | | | - Yaroslava G Yingling
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Alon A Gorodetsky
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, Irvine, California 92697, United States.,Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States.,Department of Materials Science and Engineering, University of California, Irvine, Irvine, California 92697, United States
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3
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Xu C, Kandel N, Qiao X, Khan MI, Pratakshya P, Tolouei NE, Chen B, Gorodetsky AA. Long-Range Proton Transport in Films from a Reflectin-Derived Polypeptide. ACS Appl Mater Interfaces 2021; 13:20938-20946. [PMID: 33938723 DOI: 10.1021/acsami.0c18929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Protein- and peptide-based proton conductors have been extensively studied because of their important roles in biological processes and established potential for bioelectronic device applications. However, despite much progress, the demonstration of long-range proton transport for such materials has remained relatively rare. Herein, we fabricate, electrically interrogate, and physically characterize films from a reflectin-derived polypeptide. The electrical measurements indicate that device-integrated films exhibit proton conductivities with values of ∼0.4 mS/cm and sustain proton transport over distances of ∼1 mm. The accompanying physical characterization indicates that the polypeptide possesses characteristics analogous to those of the parent protein class and furnishes insight into the relationship between the polypeptide's electrical functionality and structure in the solid state. When considered together, our findings hold significance for the continued development and engineering of not only reflectin-based materials but also other bioinspired proton conductors.
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Affiliation(s)
- Chengyi Xu
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, California 92697, United States
| | - Nabin Kandel
- Department of Physics, University of Central Florida, Orlando, Florida 32816, United States
| | - Xin Qiao
- Department of Physics, University of Central Florida, Orlando, Florida 32816, United States
| | - Md Imran Khan
- Department of Physics, University of Central Florida, Orlando, Florida 32816, United States
| | - Preeta Pratakshya
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Nadia E Tolouei
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, Irvine, California 92697, United States
| | - Bo Chen
- Department of Physics, University of Central Florida, Orlando, Florida 32816, United States
| | - Alon A Gorodetsky
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, California 92697, United States
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, Irvine, California 92697, United States
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4
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Umerani MJ, Yang H, Pratakshya P, Nowick JS, Gorodetsky AA. An aza-Diels–Alder route to quinoline-based unnatural amino acids and polypeptide surrogates. RSC Adv 2021. [DOI: 10.1039/d0ra04783j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The synthesis of quinoline-based unnatural amino acids and the subsequent preparation of polypeptide surrogates from these building blocks on solid support.
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Affiliation(s)
- M. J. Umerani
- Department of Materials Science and Engineering
- University of California, Irvine
- Irvine
- USA
| | - H. Yang
- Department of Chemistry
- University of California, Irvine
- Irvine
- USA
| | - P. Pratakshya
- Department of Chemistry
- University of California, Irvine
- Irvine
- USA
| | - J. S. Nowick
- Department of Chemistry
- University of California, Irvine
- Irvine
- USA
| | - A. A. Gorodetsky
- Department of Materials Science and Engineering
- University of California, Irvine
- Irvine
- USA
- Department of Chemistry
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5
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Umerani MJ, Pratakshya P, Chatterjee A, Cerna Sanchez JA, Kim HS, Ilc G, Kovačič M, Magnan C, Marmiroli B, Sartori B, Kwansa AL, Orins H, Bartlett AW, Leung EM, Feng Z, Naughton KL, Norton-Baker B, Phan L, Long J, Allevato A, Leal-Cruz JE, Lin Q, Baldi P, Bernstorff S, Plavec J, Yingling YG, Gorodetsky AA. Structure, self-assembly, and properties of a truncated reflectin variant. Proc Natl Acad Sci U S A 2020; 117:32891-32901. [PMID: 33323484 PMCID: PMC7780002 DOI: 10.1073/pnas.2009044117] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Naturally occurring and recombinant protein-based materials are frequently employed for the study of fundamental biological processes and are often leveraged for applications in areas as diverse as electronics, optics, bioengineering, medicine, and even fashion. Within this context, unique structural proteins known as reflectins have recently attracted substantial attention due to their key roles in the fascinating color-changing capabilities of cephalopods and their technological potential as biophotonic and bioelectronic materials. However, progress toward understanding reflectins has been hindered by their atypical aromatic and charged residue-enriched sequences, extreme sensitivities to subtle changes in environmental conditions, and well-known propensities for aggregation. Herein, we elucidate the structure of a reflectin variant at the molecular level, demonstrate a straightforward mechanical agitation-based methodology for controlling this variant's hierarchical assembly, and establish a direct correlation between the protein's structural characteristics and intrinsic optical properties. Altogether, our findings address multiple challenges associated with the development of reflectins as materials, furnish molecular-level insight into the mechanistic underpinnings of cephalopod skin cells' color-changing functionalities, and may inform new research directions across biochemistry, cellular biology, bioengineering, and optics.
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Affiliation(s)
- Mehran J. Umerani
- Department of Materials Science and Engineering, University of California, Irvine, CA 92697
| | | | - Atrouli Chatterjee
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA 92697
| | - Juana A. Cerna Sanchez
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA 92697
| | - Ho Shin Kim
- Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695
| | - Gregor Ilc
- Slovenian NMR Centre, National Institute of Chemistry, 1000 Ljubljana, Slovenia
| | - Matic Kovačič
- Slovenian NMR Centre, National Institute of Chemistry, 1000 Ljubljana, Slovenia
| | - Christophe Magnan
- Department of Computer Science, University of California, Irvine, CA 92697
| | - Benedetta Marmiroli
- Institute of Inorganic Chemistry, Graz University of Technology, 8010 Graz, Austria
| | - Barbara Sartori
- Institute of Inorganic Chemistry, Graz University of Technology, 8010 Graz, Austria
| | - Albert L. Kwansa
- Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695
| | - Helen Orins
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA 92697
| | - Andrew W. Bartlett
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA 92697
| | - Erica M. Leung
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA 92697
| | - Zhijing Feng
- Department of Materials Science and Engineering, University of California, Irvine, CA 92697
| | - Kyle L. Naughton
- Department of Physics and Astronomy, University of California, Irvine, CA 92697
| | | | - Long Phan
- Department of Materials Science and Engineering, University of California, Irvine, CA 92697
| | - James Long
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA 92697
| | - Alex Allevato
- Department of Materials Science and Engineering, University of California, Irvine, CA 92697
| | - Jessica E. Leal-Cruz
- Department of Materials Science and Engineering, University of California, Irvine, CA 92697
| | - Qiyin Lin
- Irvine Materials Research Institute, University of California, Irvine, CA 92697
| | - Pierre Baldi
- Department of Computer Science, University of California, Irvine, CA 92697
| | | | - Janez Plavec
- Slovenian NMR Centre, National Institute of Chemistry, 1000 Ljubljana, Slovenia
| | - Yaroslava G. Yingling
- Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695
| | - Alon A. Gorodetsky
- Department of Materials Science and Engineering, University of California, Irvine, CA 92697
- Department of Chemistry, University of California, Irvine, CA 92697
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA 92697
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