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Zhang J, Wang P, Xie W, Wang H, Zhang Y, Zhou H. Cephalopod-Inspired Nanomaterials for Optical and Thermal Regulation: Mechanisms, Applications and Perspectives. ACS NANO 2024; 18:24741-24769. [PMID: 39177374 DOI: 10.1021/acsnano.4c08338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2024]
Abstract
The manipulation of interactions between light and matter plays a crucial role in the evolution of organisms and a better life for humans. As a result of natural selection, precise light-regulatory systems of biology have been engineered that provide many powerful and promising bioinspired strategies. As the "king of disguise", cephalopods, which can perfectly control the propagation of light and thus achieve excellent surrounding-matching via their delicate skin structure, have made themselves an exciting source of inspiration for developing optical and thermal regulation nanomaterials. This review presents cutting-edge advancements in cephalopod-inspired optical and thermal regulation nanomaterials, highlighting the key milestones and breakthroughs achieved thus far. We begin with the underlying mechanisms of the adaptive color-changing ability of cephalopods, as well as their special hierarchical skin structure. Then, different types of bioinspired nanomaterials and devices are comprehensively summarized. Furthermore, some advanced and emerging applications of these nanomaterials and devices, including camouflage, thermal management, pixelation, medical health, sensing and wireless communication, are addressed. Finally, some remaining but significant challenges and potential directions for future work are discussed. We anticipate that this comprehensive review will promote the further development of cephalopod-inspired nanomaterials for optical and thermal regulation and trigger ideas for bioinspired design of nanomaterials in multidisciplinary applications.
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Affiliation(s)
- Jin Zhang
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 200240 Shanghai, China
- Future Materials Innovation Center, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, 201203 Shanghai, China
| | - Pan Wang
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 200240 Shanghai, China
- Future Materials Innovation Center, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, 201203 Shanghai, China
| | - Weirong Xie
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 200240 Shanghai, China
- Future Materials Innovation Center, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, 201203 Shanghai, China
| | - Haoyu Wang
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 200240 Shanghai, China
- Future Materials Innovation Center, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, 201203 Shanghai, China
| | - Yifan Zhang
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 200240 Shanghai, China
- Future Materials Innovation Center, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, 201203 Shanghai, China
| | - Han Zhou
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 200240 Shanghai, China
- Future Materials Innovation Center, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, 201203 Shanghai, China
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Mäthger LM, Bok MJ, Liebich J, Sicius L, Nilsson DE. Pupil dilation and constriction in the skate Leucoraja erinacea in a simulated natural light field. J Exp Biol 2022; 225:274366. [DOI: 10.1242/jeb.243221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 01/17/2022] [Indexed: 11/20/2022]
Abstract
ABSTRACT
The skate Leucoraja erinacea has an elaborately shaped pupil, whose characteristics and functions have received little attention. The goal of our study was to investigate the pupil response in relation to natural ambient light intensities. First, we took a recently developed sensory–ecological approach, which gave us a tool for creating a controlled light environment for behavioural work: during a field survey, we collected a series of calibrated natural habitat images from the perspective of the skates' eyes. From these images, we derived a vertical illumination profile using custom-written software for quantification of the environmental light field (ELF). After collecting and analysing these natural light field data, we created an illumination set-up in the laboratory, which closely simulated the natural vertical light gradient that skates experience in the wild and tested the light responsiveness – in particular the extent of dilation – of the skate pupil to controlled changes in this simulated light field. Additionally, we measured pupillary dilation and constriction speeds. Our results confirm that the skate pupil changes from nearly circular under low light to a series of small triangular apertures under bright light. A linear regression analysis showed a trend towards smaller skates having a smaller dynamic range of pupil area (dilation versus constriction ratio around 4-fold), and larger skates showing larger ranges (around 10- to 20-fold). Dilation took longer than constriction (between 30 and 45 min for dilation; less than 20 min for constriction), and there was considerable individual variation in dilation/constriction time. We discuss our findings in terms of the visual ecology of L. erinacea and consider the importance of accurately simulating natural light fields in the laboratory.
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Affiliation(s)
- Lydia M. Mäthger
- Marine Biological Laboratory, Bell Center, Woods Hole, MA 02543, USA
| | - Michael J. Bok
- Lund Vision Group, Department of Biology, University of Lund, 223 62 Lund, Sweden
| | - Jan Liebich
- Westphalian Institute for Biomimetics, Westphalian University of Applied Sciences, Bocholt 43697, Germany
| | - Lucia Sicius
- Marine Biological Laboratory, Bell Center, Woods Hole, MA 02543, USA
- Florida State University, Tallahassee, FL 32306, USA
| | - Dan-Eric Nilsson
- Lund Vision Group, Department of Biology, University of Lund, 223 62 Lund, Sweden
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Laitman JT, Albertine KH. From specialized skin to sensing whiskers to unique depth perception mechanisms to novel eyes and much, much more: The distinctive ways marine mammals interact with their world are explored in a Special Issue of the The Anatomical Record. Anat Rec (Hoboken) 2022; 305:503-508. [PMID: 35146950 DOI: 10.1002/ar.24866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 01/11/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Jeffrey T Laitman
- The Anatomical Record, Center for Anatomy and Functional Morphology Box 1007, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Kurt H Albertine
- The Anatomical Record, Center for Anatomy and Functional Morphology Box 1007, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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Abstract
It is always difficult to even advance possible dimensions of consciousness, but Birch et al., 2020 have suggested four possible dimensions and this review discusses the first, perceptual richness, with relation to octopuses. They advance acuity, bandwidth, and categorization power as possible components. It is first necessary to realize that sensory richness does not automatically lead to perceptual richness and this capacity may not be accessed by consciousness. Octopuses do not discriminate light wavelength frequency (color) but rather its plane of polarization, a dimension that we do not understand. Their eyes are laterally placed on the head, leading to monocular vision and head movements that give a sequential rather than simultaneous view of items, possibly consciously planned. Details of control of the rich sensorimotor system of the arms, with 3/5 of the neurons of the nervous system, may normally not be accessed to the brain and thus to consciousness. The chromatophore-based skin appearance system is likely open loop, and not available to the octopus’ vision. Conversely, in a laboratory situation that is not ecologically valid for the octopus, learning about shapes and extents of visual figures was extensive and flexible, likely consciously planned. Similarly, octopuses’ local place in and navigation around space can be guided by light polarization plane and visual landmark location and is learned and monitored. The complex array of chemical cues delivered by water and on surfaces does not fit neatly into the components above and has barely been tested but might easily be described as perceptually rich. The octopus’ curiosity and drive to investigate and gain more information may mean that, apart from richness of any stimulus situation, they are consciously driven to seek out more information. This review suggests that cephalopods may not have a similar type of intelligence as the ‘higher’ vertebrates, they may not have similar dimensions or contents of consciousness, but that such a capacity is present nevertheless.
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