Design of intelligent mesoscale periodic array structures utilizing smart hydrogel

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National Aeronautics and Space Administration, National Technical Information Service, distributor , [Washington, D.C, Springfield, Va
Gels, Optical equipment, Wave diffraction, Temperature effects, Colloids, Optical properties, Optoelectronic de
StatementH.B. Sunkara ... [et al.].
SeriesNASA-TM -- 111442., NASA technical memorandum -- 111442.
ContributionsSunkara, H. B., United States. National Aeronautics and Space Administration.
The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL17834459M

Get this from a library. Design of intelligent mesoscale periodic array structures utilizing smart hydrogel. [H B Sunkara; United States. National Aeronautics and Space Administration,]. Additional Physical Format: Online version: Sunkara, H.B. Design of intelligent mesoscale periodic array structures utilizing smart hydrogel (OCoLC)   Smart hydrogels are 3D networks composed of cross-linked polymer chains that can alter their shape and properties in response to environmental stimuli.

Xiaet trate a Cited by:   Engineers from Rutgers University have 4D printed structures from a smart hydrogel. The process, capable of 3D printing hydrogel structures that change shape when exposed to. These types of stimuli-responsive hydrogels are also called ‘smart’ hydrogels.

Many physical and chemical stimuli have been applied to induce various responses of the smart hydrogel systems. This chapter focuses on smart hydrogels from the viewpoints of their preparation methods, characterizations, and applications.

The hydrogel matrix with the entrapped drugs was prepared as follows. First, the hydrogel matrix was prepared by free-radical photo-polymerization at room temperature. g of MAA, together with TEGDMA (crosslinking ratio ) and wt.% Irgacurewere mixed at the ambient by:   1.

Introduction. As aggregations of polymer networks and water, hydrogels are abundant in plant and animal tissues, with examples ranging from xylems and phloems to muscles and cartilages.

1, 2 Owning to their unique integration of solid and liquid properties, hydrogels are also extensively explored and widely used in diverse applications such as contact lenses, wound dressings, cosmetics Cited by: In this paper, we developed a novel Zn-ion hybrid cell based on a graphene-conducting polymer composite hydrogel (capacitor-type) cathode and a zinc metal (battery-type) anode.

The pseudocapacitive-type cathode materials can effectively boost the capacity of Zn-ion hybrid cell compared to that of electricalCited by: T1 - Selective cleavage of periodic mesoscale structures.

T2 - Two-dimensional replication of binary colloidal crystals into dimpled gold nanoplates. AU - Kuroda, Yoshiyuki. AU - Sakamoto, Yasuhiro. AU - Kuroda, Kazuyuki. PY - /5/ Y1 - /5/23Cited by: The design was based on a temperature-sensitive hydrogel integrated into a microfluidic system.

Obviously, there will be set backs on the way forward, but the scientific and translational potential of hydrogel biomaterials makes me confident in predicting a smart by:   Several fabrication strategies of three-dimensional (3D) structures at a small scale can be used, including self-assembly of small parts, 3D lithographic patterning, and self-folding [1, 2].Folding is a useful method of easily fabricating complex 3D structures from engineered two-dimensional (2D) sheets [].Therefore, folding has been used in various fields before, such as in small robots [4 Cited by: 1.

Modeling Theories of Intelligent Hydrogel Polymers Article (PDF Available) in Journal of Computational and Theoretical Nanoscience 5(10) October with 1, Reads.

Different bioprinting techniques have been used to produce cell-laden alginate hydrogel structures, however these approaches have been limited to 2D or simple three-dimension (3D) structures.

In this study, a new extrusion based bioprinting technique was developed to produce more complex alginate hydrogel by:   The extracellular matrix (ECM) is a dynamic environment that constantly provides physical and chemical cues to embedded cells.

Much progress has been made in Cited by: The nano-structured smart hydrogels show very significant and rapid stimuli-responsive characteristics, as well as highly elastic properties to sustain high compressions, resist slicing and. Moreover, the ability to create patterned hydrogel structures with different mechanical properties and high dimensional accuracy showed great promise for applications in the field of tissue engineering since the stiffness of scaffold/substrate can affect cell-biomaterial response and direct cell spread29,30, migration 31 and Cited by: A major challenge for hydrogel research is the design of hydrogels with controlled morphology over a range of length scales.

While many new hydrogels have been reported with excellent mechanical properties,1−10 there have been relatively few reports involving anisotropic composite gels,12 Such gels. The combination of MSD’s array technology and electrochemiluminescence detection provides a more sensitive alternative to ELISA while allowing for higher throughput than traditional Western blots.

The use of this multiplex cell-based sandwich immunoassay format could dramatically improve current methods for high throughput screening. Advances in smart materials: Stimuli-responsive hydrogel thin films. Journal of Polymer Science Part B: Polymer Physics51 (14), DOI: /polb Md.

Anamul Haque, Jian Ping Gong.

Details Design of intelligent mesoscale periodic array structures utilizing smart hydrogel EPUB

Multi-functions of hydrogel with bilayer-based lamellar by: 1 Multi-scale Mechanical Characterization of Highly Swollen Photo-activated Collagen Hydrogels Giuseppe Tronci,1,2* Colin A. Grant,3 Neil H. Thomson,4,5 Stephen J. Russell,1 and David J.

Wood2 1 Nonwovens Research Group, School of Design, University of Leeds, Leeds LS2 9JT, United Kingdom 2 Biomaterials and Tissue Engineering Research Group, School of Dentistry, University of Leeds.

Researchers from SUTD and HUJI have developed the most stretchable 3D printed hydrogel in the world -- it can be stretched up to percent.

The hydrogel is also suitable for UV curing based 3D. Hydrogel actuators in microfluidic devices must endure the forces of aqueous flow, the constraint of device walls, and the restoring force of elastic membranes.

Download Design of intelligent mesoscale periodic array structures utilizing smart hydrogel EPUB

In order to assess the capabilities of hydrogels, three experimental techniques for determining the uniaxial tensile properties and functional swelling properties of microscale hydrogel structures have been by: Two- and Three-Dimensional Hydrogel Structures Dr. Yu, X.

Zhang Department of Materials Science and Engineering Frederick Seitz Materials Research Laboratory University of Illinois at Urbana-Champaign Urbana, ILUSA Dr. Duan, Y. Pan School for Engineering of Matter, Transport and Energy Arizona State University Tempe, AZUSA. SCNTC REPORTS DOI srep 1 entificreports Multifunctional 3D printing of heterogeneous hydrogel structures Ali Nadernezhad1,2,*, Navid Khani1,2,*, Gözde Akdeniz Skvortsov2,3, Burak Toprakhisar1,2, Ezgi Bakirci1,2, Yusuf Menceloglu1, Serkan Unal3 & Bahattin Koc1,2 Multimaterial additive manufacturing or three-dimensional (3D) printing of hydrogel structuresFile Size: 2MB.

ABSTRACT: While multiple types of smart, environmentally-responsive materials have been explored for a variety of biomedical applications (e.g. drug delivery, tissue engineering, bioimaging, etc.), their ultimate clinical use has been hampered by their lack of biologically-relevant degradation as well as challenges regarding their non-surgical administration to the body.

a SWNT-pNIPAM hydrogel before, during, and after laser irradiation are captured using a CCD camera. As shown in Figure 5a, the hydrogel begins to develop a black (i.e., opaque) spot where the laser beam is positioned within 2 s of exposure due to the shrinking of the hydrogel by the local heat generated from near-IR absorption of SWNTs.

Key words: hydrogels, intelligent gels, drug delivery systems, cross-linking, N-isopropylacrilamide 1. INTRODUCTION Hydrogel is described as smart or intelligent gel when its sol–gel transition occurs at conditions that can be induced in a living body.

Hydrogels are formed when a three-dimensional polymeric network is loosely cross-linked. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about sending content to Google Drive.

Atomic-Scale Measurement of Structure and Chemistry of a Single-Unit-Cell Layer of Cited by:   At low temperatures, liquid crystal-like arrays made up of inorganic-cluster and organic molecular units readily undergo reversible lyotropic transformations.

Gemini surfactants, with two quaternary ammonium head groups separated by a methylene chain of variable length and with each head group attached to a hydrophobic tail, can be used to control organic charge sitting relative to the.

Description Design of intelligent mesoscale periodic array structures utilizing smart hydrogel EPUB

Responsive Micromolds for Sequential Patterning of Hydrogel Microstructures Halil Tekin1,2,3, we describe a simple method to sequentially pattern hydrogel microstructures by utilizing the temperature dependent shape change properties of poly(N- The schematic for sequential patterning of hydrogel microstructures is shown in Figure 2.

journal of mechanics of materials and structures vol. 2, no. 6, microscale hydrogels for medicine and biology: synthesis, characteristics and applications christopher rivest, david w. g. morrison, bin ni, jamie rubin, vikramaditya yadav, alborz mahdavi, jeffrey m. karp and ali khademhosseini.electromechanically on the surface of an array of electrodes, has been used only for homogeneous systems involving liquid reagents.

Here, we demonstrate for the first time that the cylindrical hydrogel discs can be incorporated into digital microfluidic systems and that these discs can be systematically addressed by droplets of reagents.The microfluidic 3D cell culture system has been an attractive model because it mimics the tissue and disease model, thereby expanding our ability to control the local cellular microenvironment.

However, these systems still have limited value as quantitative assay tools due to the difficulties associated witCited by: 1.