Controlled Fabrication and Water Collection Ability of Bioinspired Artificial Spider Silks

2011 ◽  
Vol 23 (32) ◽  
pp. 3708-3711 ◽  
Author(s):  
Hao Bai ◽  
Jie Ju ◽  
Ruize Sun ◽  
Yuan Chen ◽  
Yongmei Zheng ◽  
...  
Keyword(s):  
Water Collection ◽  
Spider Silks

Hierarchical fibers for water collection inspired by spider silk

Nanoscale ◽  
2019 ◽  
Vol 11 (33) ◽  
pp. 15448-15463 ◽  
Author(s):  
Wei Chen ◽  
Zhiguang Guo
Keyword(s):  
Spider Silk ◽  
Effective Strategy ◽  
Water Collection ◽  
Spider Silks

The “wet-rebuilt” process of spider silk is considered an effective strategy for water collection. In this review, we give an advanced perspective on the fabrication and water-collection mechanisms from natural spider silks to functional fibers.

Bioinspired Materials: Controlled Fabrication and Water Collection Ability of Bioinspired Artificial Spider Silks (Adv. Mater. 32/2011)

2011 ◽  
Vol 23 (32) ◽  
pp. 3607-3607
Author(s):  
Hao Bai ◽  
Jie Ju ◽  
Ruize Sun ◽  
Yuan Chen ◽  
Yongmei Zheng ◽  
...  
Keyword(s):  
Bioinspired Materials ◽  
Water Collection ◽  
Spider Silks

scholarly journals Bio-inspired Fog Harvesting Materials: Basic Research and Bionic Potential Applications

2021 ◽  
Vol 18 (3) ◽  
pp. 501-533
Author(s):  
Kui Wan ◽  
Xuelian Gou ◽  
Zhiguang Guo
Keyword(s):  
Collection Efficiency ◽  
Basic Research ◽  
Development Trend ◽  
Water Mist ◽  
Long Distance ◽  
Biological Water ◽  
Water Collection ◽  
Transmission Area ◽  
Potential Applications ◽  
Water Transmission

AbstractWith the explosive growth of the world’s population and the rapid increase in industrial water consumption, the world’s water supply has fallen into crisis. The shortage of fresh water resources has become a global problem, especially in arid regions. In nature, many organisms can collect water from foggy water under harsh conditions, which provides us with inspiration for the development of new functional fog harvesting materials. A large number of bionic special wettable synthetic surfaces are synthesized for water mist collection. In this review, we introduce some water collection phenomena in nature, outline the basic theories of biological water harvesting, and summarize six mechanisms of biological water collection: increased surface wettability, increased water transmission area, long-distance water delivery, water accumulation and storage, condensation promotion, and gravity-driven. Then, the water collection mechanisms of three typical organisms and their synthesis are discussed. And their function, water collection efficiency, new developments in their biomimetic materials are narrated, which are cactus, spider and desert beetles. The study of multiple bionics was inspired by the discovery of Nepenthes’ moist and smooth peristome. The excellent characteristics of a variety of biological water collection structures, combined with each other, are far superior to other single synthetic surfaces. Furthermore, the main problems in the preparation and application of biomimetic fog harvesting materials and the future development trend of materials fog harvesting are prospected.

Spindle-Shaped Surface Microstructure Inspired by Directional Water Collection Biosystems to Enhance Interfacial Wetting and Bonding Strength

2021 ◽  
Vol 13 (11) ◽  
pp. 13760-13770
Author(s):  
Hailang Wan ◽  
Junying Min ◽  
Blair E. Carlson ◽  
Jianping Lin ◽  
Chengcheng Sun
Keyword(s):  
Bonding Strength ◽  
Surface Microstructure ◽  
Shaped Surface ◽  
Water Collection

The mechanical design of spider silks: from fibroin sequence to mechanical function

1999 ◽  
Vol 202 (23) ◽  
pp. 3295-3303 ◽  
Author(s):  
J.M. Gosline ◽  
P.A. Guerette ◽  
C.S. Ortlepp ◽  
K.N. Savage
Keyword(s):  
Mechanical Design ◽  
Polymer Network ◽  
Nephila Clavipes ◽  
Structure Property ◽  
Structure Property Relationships ◽  
Clear Link ◽  
Silk Fibroins ◽  
Araneus Diadematus ◽  
Spider Silks ◽  
Β Sheet

Spiders produce a variety of silks, and the cloning of genes for silk fibroins reveals a clear link between protein sequence and structure-property relationships. The fibroins produced in the spider's major ampullate (MA) gland, which forms the dragline and web frame, contain multiple repeats of motifs that include an 8–10 residue long poly-alanine block and a 24–35 residue long glycine-rich block. When fibroins are spun into fibres, the poly-alanine blocks form (β)-sheet crystals that crosslink the fibroins into a polymer network with great stiffness, strength and toughness. As illustrated by a comparison of MA silks from Araneus diadematus and Nephila clavipes, variation in fibroin sequence and properties between spider species provides the opportunity to investigate the design of these remarkable biomaterials.

scholarly journals Applying Biomimetic Principles to Thermoelectric Cooling Devices for Water Collection

2017 ◽  
Vol 7 (3) ◽  
pp. 27
Author(s):  
Kyle B Davidson ◽  
Bahram Asiabanpour ◽  
Zaid Almusaied
Keyword(s):  
Large Scale ◽  
Cost Effective ◽  
Thermoelectric Cooling ◽  
Device Structure ◽  
Cooling Systems ◽  
Cooling Devices ◽  
Water Collection ◽  
Maximum Water ◽  
The Ideal

The shortage of freshwater resources in the world has developed the need for sustainable, cost-effective technologies that can produce freshwater on a large scale. Current solutions often have extensive manufacturing requirements, or involve the use of large quantities of energy or toxic chemicals. Atmospheric water generating solutions that minimize the depletion of natural resources can be achieved by incorporating biomimetics, a classification of design inspired by nature. This research seeks to optimize thermoelectric cooling systems for use in water harvesting applications by analyzing the different factors that affect surface temperature and water condensation in TEC devices. Further experiments will be directed towards developing a robust, repeatable system, as well as an accurate measurement system. Surface modifications, device structure and orientation, and power generation will also be studied to better understand the ideal conditions for maximum water collection in thermoelectric cooling systems.

Electrostatic fog water collection

2018 ◽  
Vol 96 ◽  
pp. 128-133 ◽  
Author(s):  
Diego Cruzat ◽  
Carlos Jerez-Hanckes
Keyword(s):  
Fog Water ◽  
Water Collection ◽  
Fog Water Collection

scholarly journals Hierarchical spidroin micellar nanoparticles as the fundamental precursors of spider silks

2018 ◽  
Vol 115 (45) ◽  
pp. 11507-11512 ◽  
Author(s):  
Lucas R. Parent ◽  
David Onofrei ◽  
Dian Xu ◽  
Dillan Stengel ◽  
John D. Roehling ◽  
...  
Keyword(s):  
Liquid Crystalline ◽  
Spider Silk ◽  
Fiber Spinning ◽  
Fiber Formation ◽  
Natural Material ◽  
Physical Form ◽  
Spinning Process ◽  
Black Widow Spiders ◽  
Spider Silks

Many natural silks produced by spiders and insects are unique materials in their exceptional toughness and tensile strength, while being lightweight and biodegradable–properties that are currently unparalleled in synthetic materials. Myriad approaches have been attempted to prepare artificial silks from recombinant spider silk spidroins but have each failed to achieve the advantageous properties of the natural material. This is because of an incomplete understanding of the in vivo spidroin-to-fiber spinning process and, particularly, because of a lack of knowledge of the true morphological nature of spidroin nanostructures in the precursor dope solution and the mechanisms by which these nanostructures transform into micrometer-scale silk fibers. Herein we determine the physical form of the natural spidroin precursor nanostructures stored within spider glands that seed the formation of their silks and reveal the fundamental structural transformations that occur during the initial stages of extrusion en route to fiber formation. Using a combination of solution phase diffusion NMR and cryogenic transmission electron microscopy (cryo-TEM), we reveal direct evidence that the concentrated spidroin proteins are stored in the silk glands of black widow spiders as complex, hierarchical nanoassemblies (∼300 nm diameter) that are composed of micellar subdomains, substructures that themselves are engaged in the initial nanoscale transformations that occur in response to shear. We find that the established micelle theory of silk fiber precursor storage is incomplete and that the first steps toward liquid crystalline organization during silk spinning involve the fibrillization of nanoscale hierarchical micelle subdomains.

scholarly journals Directional Water Collection in Nanopore Networks

ACS Omega ◽  
2018 ◽  
Vol 3 (11) ◽  
pp. 16040-16045 ◽  
Author(s):  
Rocio Gimenez ◽  
Martín Gonzalo Bellino ◽  
Claudio Luis Alberto Berli
Keyword(s):  
Water Collection
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