Academic literature on the topic 'Photo-sensitive Hydrogel'

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Journal articles on the topic "Photo-sensitive Hydrogel"

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Shang, Jiaojiao, and Patrick Theato. "Smart composite hydrogel with pH-, ionic strength- and temperature-induced actuation." Soft Matter 14, no. 41 (2018): 8401–7. http://dx.doi.org/10.1039/c8sm01728j.

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A facile and versatile photo-patterning method to fabricate “smart” hydrogels with defined lateral and vertical inhomogeneity of hydrogel composition and dimensions has been developed via generating programmable composite hydrogels and bilayer hydrogels based on thermal and ionic strength-responsive poly(N-isopropylacrylamide) and pH-sensitive poly(acrylic acid) hydrogels.
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Kargar-Estahbanaty, Arash, Mostafa Baghani, and Nasser Arbabi. "Developing an analytical solution for photo-sensitive hydrogel bilayers." Journal of Intelligent Material Systems and Structures 29, no. 9 (2018): 1953–63. http://dx.doi.org/10.1177/1045389x18754353.

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In this article, a new conceptual design of light-sensitive switches made of a soft bilayer is introduced. The bilayer structure consists of a photothermal-sensitive hydrogel strip attached to another neutral incompressible elastomeric layer. The bilayer is assumed to be initially flat under a uniform light irradiation. Decreasing the light intensity causes the bilayer to bend due to the inhomogeneous swelling of hydrogel layer and results in the switch actuation. To enlighten the actuation mechanism and investigate the influence of various parameters on the switch’s photomechanical response,
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Chen, Xiao, Zhixin Zhan, Qimin Liu, and Tao Wu. "Modeling the response characteristics of photo-sensitive hydrogel electrolytes in Hofmeister salt solution for the development of smart energy storage devices." Sustainable Energy & Fuels 4, no. 12 (2020): 6112–24. http://dx.doi.org/10.1039/d0se00639d.

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Zuo, Wen, Kunpeng Wei, Xinyi Zhang, et al. "A Multifunctional Nanozyme Hydrogel with Antibacterial, Antioxidative, and Photo-Induced Nitric Oxide-Supplying Properties for Promoting Infected Wound Healing." Pharmaceutics 16, no. 12 (2024): 1624. https://doi.org/10.3390/pharmaceutics16121624.

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Objectives: To design a multifunctional nanozyme hydrogel with antibacterial, photo-responsive nitric oxide-releasing, and antioxidative properties for promoting the healing of infected wounds. Methods: We first developed ultra-small silver nanoparticles (NPs)-decorated sodium nitroprusside-doped Prussian blue (SNPB) NPs, referred to as SNPB@Ag NPs, which served as a multifunctional nanozyme. Subsequently, this nanozyme, together with geniposide (GE), was incorporated into a thermo-sensitive hydrogel, formulated from Poloxamer 407 and carboxymethyl chitosan, creating a novel antibacterial woun
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Wu, Te Hsing, Ko Shao Chen, and Lie Hang Shen. "The Surface Modification and Characteristics of Useful Expanded PTFE Composites by Photo-Radiation Methods." Advanced Materials Research 690-693 (May 2013): 1636–40. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.1636.

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In this study, We immobilized hydrogel material onto expanded polytetrafluoroethylene (ePTFE) film and used as an functional biomaterial. The material is a film containing titanium oxide onto polymer sheet. The hydrogel film is hydrophilic, bacterial inactivated and bio-compatible. In order to improve the ePTFE film biocompatibility, the cold plasma or γ-ray technology was used with acetic acid as monomer to deposit onto ePTFE film and then (N-isopropylacrylamide) was grafted onto the surface by radiation photo-grafting. The characteristics of the material surface were evaluated with X-ray pho
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Zhang, Shu Di, Yu Chun Zhai, and Zhen Fang Zhang. "Study on Polyvinly-Alcohol(PVA)/ Iron Oxide Black(Fe3O4) and Polyvinly-Alcohol(PVA)/ Iron Oxide Red(Fe2O3) Magnetic Sensitive Hydrogel." Advanced Materials Research 287-290 (July 2011): 2032–35. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.2032.

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Iron oxide black and iron oxide red magnetic sensitive to polyvinly-alcohol hydrogel has been fabricated using physical cross-linking method. The mechanical properties and swelling characteristics have been studied for different content, magnetic sensibility were tested using the vibration sample magnetometer, experiment results show that iron oxide red hydrogel has better mechanical properties, Percentage of swelling and loss rate of water of the polyvinly-alcohol hydrogel decrease with the increasing of the magnetic particles content, the change tendency is very like, cross-linking is increa
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He, Ming, Baoqin Han, Zhiwen Jiang, Yan Yang, Yanfei Peng, and Wanshun Liu. "Synthesis of a chitosan-based photo-sensitive hydrogel and its biocompatibility and biodegradability." Carbohydrate Polymers 166 (June 2017): 228–35. http://dx.doi.org/10.1016/j.carbpol.2017.02.072.

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Li, Bing, Dapeng Li, Yanni Yang, Lu Zhang, Ke Xu, and Jiping Wang. "Study of thermal-sensitive alginate-Ca2+/poly(N-isopropylacrylamide) hydrogels supported by cotton fabric for wound dressing applications." Textile Research Journal 89, no. 5 (2018): 801–13. http://dx.doi.org/10.1177/0040517518755790.

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In this study, direct deposition, 1,2,3,4-butanetetracarboxylic acid (BTCA) crosslinking, chelating and ultraviolet (UV) photo-grafting methods were employed to bond alginate-Ca2+/poly( N-isopropylacrylamide) (PNIPAAm) interpenetrating network hydrogel onto cotton fabric surface for wound dressing applications. Infrared spectroscopy confirmed the presence of alginate-Ca2+/PNIPAAm hydrogels on the cotton fabrics. Scanning electron microscopy was used to investigate surface and cross-section morphologies. Differential scanning calorimetry and three-dimensional video microscopy indicated that fab
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Schmidt, Ulrike, Margarita Guenther, and Gerald Gerlach. "Biochemical piezoresistive sensors based on pH- and glucose-sensitive hydrogels for medical applications." Current Directions in Biomedical Engineering 2, no. 1 (2016): 117–21. http://dx.doi.org/10.1515/cdbme-2016-0029.

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AbstractMany conventional analysis techniques to detect chemical or biological species are able to achieve a high detection sensitivity, however, they are equipment- or time-expensive due to a multi-step procedure. In this work we describe sensor concepts using piezoresistive pressure sensor chips with integrated analyte-sensitive hydrogels, that enable inexpensive and robust biochemical sensors which are miniaturizable and in-line capable. Biocompatible hydrogels were developed and tested for pH- and glucose-monitoring during the chemical and biochemical processes. For that, monomer mixtures
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Chen, Ko Shao, Su Chen Chen, Yi Chun Yeh, Wei Cheng Lien, Hong Ru Lin, and Jen Ming Yang. "The Study of Immobilization Thermal-Sensitive Hydrogel onto ePTFE Film Use the Cold Plasma and Photo-Grafting Technique." Advanced Materials Research 15-17 (February 2006): 187–92. http://dx.doi.org/10.4028/www.scientific.net/amr.15-17.187.

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Expanded polytetrafluoroethylene (ePTFE) is a bioinert material. To improve the ePTFE film biocompatibility, the cold plasma technology was used with acetic acid as monomer to deposit onto ePTFE film and then (N-isopropylacrylamide) was grafted onto the surface by photo-grafting. The characteristics of the surface were evaluated with X-ray photoelectron spectroscopy (XPS), FTIR and water contact angle. It was found that the contact angle of water on the untreated ePTFE significantly decrease from125° to 72° after ePTFE film being treated with acetic acid plasma deposition treatment. Due to the
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Dissertations / Theses on the topic "Photo-sensitive Hydrogel"

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Pareek, Pradeep. "Photo-crosslinked Surface Attached Thin Hydrogel Layers." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2005. http://nbn-resolving.de/urn:nbn:de:swb:14-1115623310082-44480.

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Stimuli sensitive polymers and hydrogels respond with large property changes to small physical and chemical stimuli (e.g. temperature, pH, ionic strength). The bulk behavior of these polymers is widely studied and they show an isotropic swelling. However, thin hydrogel layers of polymers on a substrate show a swelling behavior, which is constrained in some way. Therefore, size, confinement, patternability, response time and transition temperature of thin hydrogel layers are the most important parameters in technological applications and this study focuses on the investigation of these above-me
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CALZONE, STEFANO. "Design of innovative thermo- and photo-sensitive bioinks and printing setup for the fabrication of tissue engineered constructs." Doctoral thesis, Politecnico di Torino, 2019. http://hdl.handle.net/11583/2743334.

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Huang, Shao-Chan, and 黃紹展. "Nanostrontium Ranelate incorporated photo-sensitive hydrogel enhance bone regeneration supporting spinal fusion." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/e73343.

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Book chapters on the topic "Photo-sensitive Hydrogel"

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Chen, Ko Shao, Su Chen Chen, Yi Chun Yeh, Wei Cheng Lien, Hong Ru Lin, and Jen Ming Yang. "The Study of Immobilization Thermal-Sensitive Hydrogel onto ePTFE Film Use the Cold Plasma and Photo-Grafting Technique." In THERMEC 2006 Supplement. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-429-4.187.

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Reports on the topic "Photo-sensitive Hydrogel"

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Asenath-Smith, Emily, Emma Ambrogi, Eftihia Barnes, and Jonathon Brame. CuO enhances the photocatalytic activity of Fe₂O₃ through synergistic reactive oxygen species interactions. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42131.

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Iron oxide (α-Fe₂O₃, hematite) colloids were synthesized under hydrothermal conditions and investigated as catalysts for the photodegradation of an organic dye under broad-spectrum illumination. To enhance photocatalytic performance, Fe₂O₃ was combined with other transition-metal oxide (TMO) colloids (e.g., CuO and ZnO), which are sensitive to different regions of the solar spectrum (far visible and ultraviolet, respectively), using a ternary blending approach for compositional mixtures. For a variety of ZnO/Fe₂O₃/CuO mole ratios, the pseudo-first-order rate constant for methyl orange degradat
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