Relevant bibliographies by topics / Hydrogel method

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Hydrogel method'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Hydrogel method"

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Fu, Qiang, Junxiao Tang, Weimin Wang, and Rongjie Wang. "Biocomposite Polyvinyl Alcohol/Ferritin Hydrogels with Enhanced Stretchability and Conductivity for Flexible Strain Sensors." Gels 11, no. 1 (2025): 59. https://doi.org/10.3390/gels11010059.

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Protein-based hydrogels with stretchability and conductivity have potential applications in wearable electronic devices. However, the development of protein-based biocomposite hydrogels is still limited. In this work, we used natural ferritin to develop a PVA/ferritin biocomposite hydrogel by a repetitive freeze–thaw method. In this biocomposite hydrogel, ferritin, as a nano spring, forms a hydrogen bond with the PVA networks, which reduces the crystallinity of PVA and significantly improves the stretchability of the hydrogel. The fracture strain of the PVA/ferritin hydrogel is 203%, and the f
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Wang, Xinyu, Huiyuan Wang, Hongmin Zhang, Tianxi Yang, Bin Zhao, and Juan Yan. "Investigation of the Impact of Hydrogen Bonding Degree in Long Single-Stranded DNA (ssDNA) Generated with Dual Rolling Circle Amplification (RCA) on the Preparation and Performance of DNA Hydrogels." Biosensors 13, no. 7 (2023): 755. http://dx.doi.org/10.3390/bios13070755.

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DNA hydrogels have gained significant attention in recent years as one of the most promising functional polymer materials. To broaden their applications, it is critical to develop efficient methods for the preparation of bulk-scale DNA hydrogels with adjustable mechanical properties. Herein, we introduce a straightforward and efficient molecular design approach to producing physically pure DNA hydrogel and controlling its mechanical properties by adjusting the degree of hydrogen bonding in ultralong single-stranded DNA (ssDNA) precursors, which were generated using a dual rolling circle amplif
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Sihombing, Y. A., N. Nafisah, I. Anshori, D. A. Hapidin, D. Edikresnha, and K. Khairurrijal. "Preparation and Characterization of PVA/Chitosan-Based Hydrogels Enriched with Carbon Materials via the Freeze-Thaw Method." Journal of Physics: Conference Series 2733, no. 1 (2024): 012011. http://dx.doi.org/10.1088/1742-6596/2733/1/012011.

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Abstract The freeze-thaw method successfully prepared polyvinyl alcohol (PVA)/chitosan (CS)-based hydrogels. This study evaluated the hydrogel’s physical and thermal properties with a compositional variation of activated carbon (AC) and reduced graphene oxide (rGO) in PVA/CS (PCS) hydrogel. Incorporating AC into the PCS hydrogel led to pore reduction, yielding a lower swelling degree in PCS/AC hydrogel than in PCS hydrogel. On the other hand, adding rGO had minimal impact on the shape and distribution of pores. However, rGO exhibited effective dispersion on the hydrogel surface, reducing the s
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Gayatri, J. khanderao, A. Kubde Jitendra, R. Hatwar Pooja, L. Bakal Ravindra, and G. Karule Vaishnavi. "A review article on PH- sensitive Hydrogel." GSC Biological and Pharmaceutical Sciences 29, no. 3 (2024): 069–81. https://doi.org/10.5281/zenodo.14829686.

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Hydrogels are a type of hydrophilic network that can be cross-linked through physical or chemical means. They are a three-dimensional network. Hydrogels are also known as hydrophilic gels due to their significant water absorption capacity. Hydrogels are known for their swelling, mechanical qualities, biodegradability, elasticity, biocompatibility, ease of modification and flexibility, among other attributes. This article discusses general hydrogels knowledge, including its significance, preparation process, synthesis, chemical and physical properties, features, benefits, and drawbacks. Hydroge
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Chen, Liting, Zheqiong Fan, Weiguo Mao, Cuiying Dai, Daming Chen, and Xinghong Zhang. "Analysis of Formation Mechanisms of Sugar-Derived Dense Carbons via Hydrogel Carbonization Method." Nanomaterials 12, no. 22 (2022): 4090. http://dx.doi.org/10.3390/nano12224090.

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Four kinds of sugar (glucose, fructose, sucrose, and maltose) were selected as carbon precursors, and corresponding dense carbon products were prepared using a novel hydrogel carbonization method. The carbonization processes of sugar–polyacrylamide (sugar–PAM) hydrogels were studied in detail. The molecular structures in the raw materials were analyzed by proton nuclear magnetic resonance spectroscopy (1H NMR). Samples prepared at different temperatures were characterized by thermogravimetry analysis (TGA) and Fourier-transform infrared (FTIR) spectroscopy. The morphology and microstructure of
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Tang, Yuanhan, Junjie Ding, Xun Zhou, et al. "Injectable hydrogels of enzyme-catalyzed cross-linked tyramine-modified gelatin for drug delivery." Australian Journal of Chemistry 76, no. 2 (2023): 88–99. http://dx.doi.org/10.1071/ch22188.

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Enzymatically catalyzed cross-linking is a hydrogel fabrication method that generally is considered to have lower cytotoxicity than traditional chemical cross-linking methods. In order to optimize the properties of injectable hydrogels and expand their applications, an enzyme-catalyzed cross-linked injectable hydrogel was designed. The tyramine-modified gelatin (G-T) was formed into a stable injectable hydrogel by the combination of horseradish peroxidase (HRP) and hydrogen peroxide (H2O2) catalysis. 1H NMR spectroscopy was used to demonstrate the successful modification of gelatin by tyramine
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Feng, Junyan, Peng Cao, Tao Yang, Hezheng Ao, and Bo Xing. "Fabrication of Microgel-Modified Hydrogel Flexible Strain Sensors Using Electrohydrodynamic Direct Printing Method." Sensors 24, no. 10 (2024): 3038. http://dx.doi.org/10.3390/s24103038.

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Hydrogel flexible strain sensors, renowned for their high stretchability, flexibility, and wearable comfort, have been employed in various applications in the field of human motion monitoring. However, the predominant method for fabricating hydrogels is the template method, which is particularly inefficient and costly for hydrogels with complex structural requirements, thereby limiting the development of flexible hydrogel electronic devices. Herein, we propose a novel method that involves using microgels to modify a hydrogel solution, printing the hydrogel ink using an electrohydrodynamic prin
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Zhu, Wantong. "One-step soaking strategy toward mechanical double-network hydrogel." Highlights in Science, Engineering and Technology 116 (November 7, 2024): 21–26. http://dx.doi.org/10.54097/4hreyy45.

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Double-network (DN) hydrogels, which comprise noncovalent interacting networks, are highly sought after due to their controlled compositions and environmental friendliness. However, the complex preparation methods hinder the application of these hydrogels. In this study, we present a simple and feasible approach for fabricating hybrid PAA-CS DN hydrogels by post-treating the PAA-CS composite hydrogels with CuSO4 solutions to induce the formation of physical networks through CS chain entanglement. The composite hydrogel, composed of chitosan (CS) and polyacrylic acid (PAA), readily transforms i
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Jiang, Hai Ling. "Network Structure and Water Absorption of Soil Moisture Gel by Coarse-Grained Molecular Dynamics Simulations." International Journal of Engineering Research in Africa 63 (March 30, 2023): 1–12. http://dx.doi.org/10.4028/p-r8o1xc.

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With the wide application of hydrogel materials in agriculture, forestry, flexible electronics, electronic information engineering, environmental detection, flexible electronics, information science, technology and so on, the development of various new functional hydrogel materials has gradually become one of the research hotspots. At present, the research on hydrogel materials is mainly focused on the preparation of various functional hydrogels by experimental methods, there is no fundamental understanding of the relationship between the “stimulus-response” and its inner microstructures. In t
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Sirousazar, M., M. Kokabi, A. R. Bahramian, and Z. M. Hassan. "PVA/Kaolinite Nanocomposite Hydrogels: Preparation Method and Characterization." Advanced Materials Research 383-390 (November 2011): 3854–57. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.3854.

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In this work, nanocomposite hydrogels on the basis of Polyvinyl alcohol (PVA) and kaolinite nanoclay were prepared by the repeatedly freezing-thawing method. The structure and morphology of nanocomposite hydrogels were studied by the XRD, TEM and SEM techniques. The function of nanoclay in the nanocomposite hydrogels was investigated using the FTIR and DSC tests. It was found that the prepared nanocomposite hydrogels have the intercalated morphology with good dispersion of nanoclay layers in hydrogel matrix. DSC results showed some shifting in the glass transition temperature of PVA hydrogel i
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Dissertations / Theses on the topic "Hydrogel method"

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Yata, Tomoya. "Development of efficient amplification method of DNA hydrogel and composite-type DNA hydrogel for photothermal immunotherapy." 京都大学 (Kyoto University), 2016. http://hdl.handle.net/2433/215494.

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Jajarmi, P., S. Barzegar, G. R. Ebrahimi, and N. Varahram. "Production of Sn02 nano-particles by hydrogel thermal decomposition method." Thesis, Sumy State University, 2011. http://essuir.sumdu.edu.ua/handle/123456789/20684.

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SnO2 is an important functional material having a wide range of applications in gas sensors and optoelectronic devices. There is a great interest for finding new costeffective and straight-forward methods for production of these particles. In this research, hydrogel thermal decomposition method (HTDM) is used for production of high purity SnO2nano-particles. Cost effective reactants and green routs of production are the advantages of polysaccharide based hydrogel as starting material for this method. Visual observations indicated that there is very little tendency for agglomeration in th
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Sveinsson, Hrafn Mar. "Constrained Hydrogel swelling in Biological Sensors : A Finite Element Method Approach." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for fysikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19103.

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Material models has been developed for anionic and/or cationic hydrogels, with a simulation framework implemented in MATLAB and the finite element software ABAQUS. The geometry of the simulations is a hemispheroidal hydrogel, divided into a core with a shell, covalently attached to an optical fiber. The material models have been used to estimate the chemical parameters of poly-acrylamide hydrogels containing anionic or cationic monomer groups. Simulations comparing free and constrained swelling has been conducted in order to determine the effect of the geometrical constriction to the optical f
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Ehrenhofer, Adrian, Alice Mieting, Sascha Pfeil, et al. "An automatically rainproofing bike helmet through light-sensitive hydrogel meshes: Design, modeling and experiments." SPIE, 2020. https://tud.qucosa.de/id/qucosa%3A74218.

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For everyday cycling, one needs to carry rainproof clothing just for the case of unexpected downpours. In the present research, we present a concept for a helmet which is automatically rainproof when the rain starts. When the sun comes out, the helmet is breathable again even before it completely dries up. This functionality is provided by active hydrogel meshes. Hydrogel meshes offer great advantages due to their ability to change the aperture size with swelling and deswelling. In our current work, we present the design and modeling steps for hydrogel-layered active meshes which use (i) swell
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Haigh, Jodie N. "Melt electrospinning writing as a method to form novel hydrogel architectures and constructs." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/103849/1/Jodie_Haigh_Thesis.pdf.

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The addition of three-dimensional structure in hydrogels, and the first reported instance of melt electrospinning writing (MEW) of polypropylene, provides a foundation for the production of complex hydrogel systems for a variety of applications. This project provides a novel, facile and universal method to produce porous structures in soft hydrogels, using sacrificial templates produced via MEW. While the optimization of the MEW of polypropylene was completed elucidating methods to enable the production of MEW scaffolds with high melting point polymers.
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Sobczyk, Martin, and Thomas Wallmersperger. "Modeling and simulation of a chemically stimulated hydrogel bilayer bending actuator." SPIE, 2017. https://tud.qucosa.de/id/qucosa%3A34887.

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Stimuli-sensitive hydrogels are polymeric materials, which are able to reversibly swell in water in response to evironmental changes. Relevant stimuli include variations of pH, temperature, concentration of specific ions etc. Stacked layers composed of multiple thin hydrogels - also referred to as hydrogel-layer composites - combine the distinct sensing properties of different hydrogels. This approach enables the development of sophisticated micro uidic devices such as bisensitive valves or uid-sensitive de ectors. In order to numerically simulate the swelling of a polyelectrolyte hydrogel in
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Salahshoor, Pirsoltan Hossein. "Nanoscale structure and mechanical properties of a Soft Material." Digital WPI, 2013. https://digitalcommons.wpi.edu/etd-theses/924.

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"Recently, hydrogel have found to be promising biomaterials since their porous structure and hydrophilicity enables them to absorb a large amount of water. In this study the role of water on the mechanical properties of hydrogel are studied using ab-initio molecular dynamics (MD) and coarse-grained simulations. Condensed-Phased Optimized Molecular Potential (COMPASS) and MARTINI force fields are used in the all-atom atomistic models and coarse-grained simulations, respectively. The crosslinking process is modeled using a novel approach by cyclic NPT and NVT simulations starting from a high tem
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Sobczyk, Martin, and Thomas Wallmersperger. "Modeling and simulation of the electro-chemical behavior of chemically stimulated polyelectrolyte hydrogel layer composites." Sage, 2016. https://tud.qucosa.de/id/qucosa%3A35624.

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Polyelectrolyte hydrogels are viscoelastic electroactive polymers which respond to external physical or chemical stimuli by a reversible volume phase transition. Novel fabrication methods allow the creation of hydrogel layer composites in which each layer shows a different sensitivity (e.g. to a different stimulus). This offers new opportunities, for example, in the design of new microsensors, microactuators and microfluidic devices as well as for high-selective membranes and target-specific drug delivery systems. Since only few research groups numerically investigated the transport mechanisms
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Zhao, Xiaofei. "Harvesting Microalgae-Development of a Short Residence Time Method Using Rapid-response Temperature-sensitive Semi-IPN Hydrogels." University of Toledo / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1434501731.

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McMaster, Rebecca J. "A simple method towards 3D-printing and crosslinking partially hydrolysed poly(2-ethyl-2-oxazoline)." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/109910/1/Rebecca_McMaster_Thesis.pdf.

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The two projects covered by this thesis represent advancements in the field of biofabrication. The first project was a proof-of-principle study focused on the development of a new polymer ink for 3D-printing. Scaffold structures were printed with a hydrophilic polymer and characterized to determine optimum printing parameters. Crosslinking strategies to create hydrogels with properties similar to human tissue were also explored. The second project was focused towards developing adipose grafts for soft tissue defects. Microfibre scaffolds were designed and 3D-printed with pores suitably sized f
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Books on the topic "Hydrogel method"

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Kumar, Sushant. Clean Hydrogen Production Methods. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14087-2.

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Scott, Keith, ed. Electrochemical Methods for Hydrogen Production. Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788016049.

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Galster, H. pH measurement: Fundamentals, methods, applications, instrumentation. Cambridge, 1991.

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Galster, Helmuth. pH measurement: Fundamentals, methods, applications, instrumentation. VCH, 1991.

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Khabibullaev, Pulat K. Determination of Hydrogen in Materials Nuclear Physics Methods. Springer Berlin Heidelberg, 1989.

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Khabibullaev, Pulat K., and Boris G. Skorodumov, eds. Determination of Hydrogen in Materials Nuclear Physics Methods. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/bfb0044539.

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1934-, Skorodumov B. G., ed. Determination of hydrogen in materials: Nuclear physics methods. Springer-Verlag, 1989.

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Nair, Lakshmi S. Injectable hydrogels for regenerative engineering. Imperial College Press, 2016.

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Occupational Medicine and Hygiene Laboratory. Hydrogen cyanide in air: Laboratory method using an ion-selective electrode. Health and Safety Executive, 1990.

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United States. National Aeronautics and Space Administration., ed. Small hydrogen/oxygen rocket flowfield behavior from heat flux measurements. National Aeronautics and Space Administration, 1993.

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Book chapters on the topic "Hydrogel method"

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Agir, Hatice. "Polyacrylamide Hydrogel Treatment." In Complementary Medicine with New Approaches. Nobel Tip Kitabevleri, 2024. http://dx.doi.org/10.69860/nobel.9786053359418.15.

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Polyacrylamide hydrogel (PAHG) is a non-toxic, synthetic and non-degradable hydrogel that is biocompatible with the human body. In recent years, it has been used for various indications in many medical fields such as aesthetics, tissue repair, wound healing, cancer and ophthalmic applications. Intra-articular polyacrylamide hydrogel offers promising potential in the musculoskeletal field, especially in providing regeneration and palliative pain in the treatment of osteoarthritis. Osteoarthritis is a common disease in the community, characterized by a pathology involving the entire joint, inclu
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Lu, Jian, Xiao Yan Lin, Bo Jiang, Xu Dong Li, Ji Yong Chen, and Xing Dong Zhang. "Preparation and Characterization of Collagen by Hydrogel Formation Method." In Advanced Biomaterials VI. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-967-9.377.

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Mu, Yuan Hua, Yu Bao Li, Ming Bo Wang, Feng Lan Xu, Xiang Zhang, and Zhi Yue Tian. "Novel Method to Fabricate Porous n-HA/PVA Hydrogel Scaffolds." In Materials Science Forum. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-995-4.878.

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Suzuki, Makoto. "Amphoteric Polyvinyl Alcohol Hydrogel and Electrohydrodynamic Control Method for Artificial Muscles." In Polymer Gels. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-5892-3_16.

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Park, In Su, Sang Heon Kim, Jeong Woo Han, Young Gun Ko, Eun Na Chung, and Soo Hyun Kim. "Optimization of Scaffold for a Successful Hydrogel-Seeding Method for Vascular Tissue Engineering." In Advanced Biomaterials VII. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-436-7.333.

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Ramteke, Sangharatna M., Sachin Akoji Meshram, H. Chelladurai, and Akhilesh Kumar Choudhary. "Thermochemical hydrogen production methods." In Hydrogen Energy. CRC Press, 2024. http://dx.doi.org/10.1201/9781003537816-8.

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Yürüm, Y. "Hydrogen Production Methods." In Hydrogen Energy System. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0111-0_2.

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Platzer, Max F., and Nesrin Sarigul-Klijn. "Hydrogen Production Methods." In The Green Energy Ship Concept. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58244-9_16.

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Dincer, Ibrahim, and Anand S. Joshi. "Hydrogen Production Methods." In Solar Based Hydrogen Production Systems. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7431-9_2.

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Lv, Cui, Gang Zhou, Jinzhen Wang, Ming He, Jihao Wu, and Linghui Gong. "Design Method of the Hydrogen Liquefaction Process with Catalyst-Filled Heat Exchanger Model." In Proceedings of the 10th Hydrogen Technology Convention, Volume 1. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-8631-6_15.

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AbstractHydrogen liquefaction is a crucial process in the liquid hydrogen industry, and the use of liquid hydrogen is becoming increasingly important for storing and transporting hydrogen over long distances. Hydrogen has two spin isomers, that is ortho and para hydrogen. One of the challenges in this process is the conversion of ortho to para hydrogen in the heat exchanger. As the conversion process releases heat and is a spontaneous behavior, it is important to ensure that the content of para hydrogen in the final product is at least 95%. Unfortunately, there are currently no known commercia
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Conference papers on the topic "Hydrogel method"

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Xie, Zekai, and Yinyuan Ma. "Visual detection method of swelling property of hydrogel based on YOLO." In 2025 5th International Conference on Neural Networks, Information and Communication Engineering (NNICE). IEEE, 2025. https://doi.org/10.1109/nnice64954.2025.11064468.

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Liu, Xiaomei, Jingtan Zhu, Jianyi Xu, Yating Deng, Tingting Yu, and Dan Zhu. "A versatile vessel casting method for fine mapping of vascular networks using a hydrogel-based lipophilic dye solution." In Optics in Health Care and Biomedical Optics XIV, edited by Qingming Luo, Xingde Li, Ying Gu, and Dan Zhu. SPIE, 2024. http://dx.doi.org/10.1117/12.3036876.

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Sartip, Elahe, Tayebeh Behzad, and Mahshid Kharaziha. "Fabrication and Characterization of Agarose/ Poly (Ethylene Glycol) Diacrylate/ Hydroxyapatite Nanocomposite Hydrogel by 3D Printing Method for Cartilage Tissue Engineering." In 2024 31st National and 9th International Iranian Conference on Biomedical Engineering (ICBME). IEEE, 2024. https://doi.org/10.1109/icbme64381.2024.10895684.

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Dykstra, B. G., J. E. Wehling, and J. L. Piazza. "Cathodic Protection of Steel Reinforced Concrete Structures Using a Galvanic Zinc Hydrogel System." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02269.

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Abstract There are over 500,000 condominium units along the Florida coastline, most of which have experienced significant corrosion of their steel reinforcements due primarily to chloride intrusion from the ocean salt spray. Some of the condominium associations in Florida have in the past five years recognized that cathodic protection is the only rehabilitation method that will truly prevent the corrosion of the reinforcing steel and the resultant concrete spalling and delamination. The installations of a galvanic zinc-hydrogel system will be described in detail, and monitoring data will be pr
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Ishii, Ryuta, Takuya Kamisho, and Masayuki Tsuda. "Measurement of Surface Hydrogen Concentration of Steels in Concreate with Electrochemical Hydrogen Permeation Method." In CONFERENCE 2023. NACE International, 2023. https://doi.org/10.5006/c2023-19016.

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Abstract High-strength steel in cracked prestressed concrete is at risk of hydrogen embrittlement, which makes it necessary to clarify the sub-surface hydrogen concentration behavior of the enclosed steel bar from the standpoint of safety. Electrochemical hydrogen permeation tests can measure the sub-surface hydrogen concentration of steel continuously and nondestructively, but the measurable geometry is limited to plates and cannot be directly applied to internal bars. We therefore developed an electrochemical hydrogen permeation test method to evaluate the sub-surface hydrogen concentration
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Qiao, Wei, Qiaozhu Zhai, Yuzhou Zhou, Jiexing Zhao, Yuxuan Zhang, and JiaHui Wang. "A Wind-Pv-Hydropower-Hydrogen Collaborative Scheduling Method." In 2024 International Conference on Networking, Sensing and Control (ICNSC). IEEE, 2024. http://dx.doi.org/10.1109/icnsc62968.2024.10759899.

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Higashi, K., and N. Miki. "A simple method for micropatterning nanofibrous hydrogel film." In 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2016. http://dx.doi.org/10.1109/embc.2016.7590661.

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Vicente, Adam, Zachary McCreery, and Karen Chang Yan. "Printability of Hydrogels for Hydrogel Molding Based Microfluidic Device Fabrication." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11545.

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Abstract Microfabrication-free methods have been developed in recent years for fabricating microfluidic devices to enable the applications of microfluidic devices to a broader range. Our group has been working on developing a process for fabricating electrospun fiber embedded microfluidic devices by integrating hydrogel molding (HGM) and electrospinning (ES), and the feasibility of this integrated method has been demonstrated through our initial study. Recently, we have modified an extrusion based 3D printer kit to deposit hydrogels and form microchannels. Agarose has been used for our previou
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Bauer, Joseph M., and David J. Beebe. "A Method for Measuring Deformation Rates in Hydrogel Structures: Multi-Plane Imaging and Measurement Limitations." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1064.

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Abstract A technique for determining the three dimensional motions of hydrogel structures in microchannels is introduced. In developing this technique, we have adapted microscopic particle image velocimetry (μPIV), a method for measuring velocity fields in microfluidic devices. The motions of 1 μm fluorescent seed particles that are incorporated into a hydrogel microstructure (200 μm tall × 400 μm diameter) are tracked over several expansion cycles using microscopy. Combining measurements taken in different planes produces a three-dimensional representation of the motions present during volume
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Zhou, Can, Ting Luo, Hui Gong, and Xiangning Li. "Scalable embedding method with hydrogel for optical imaging of fluorescent samples." In International Conference on Photonics and Imaging in Biology and Medicine. OSA, 2017. http://dx.doi.org/10.1364/pibm.2017.w3a.100.

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Reports on the topic "Hydrogel method"

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Choquette, Gary, Richard Rans, and Warren Peterson. PR000-22605-R06 Accurate Compressibility Estimates for Natural Gas. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000068.

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This document describes methods to calculate estimated gas compressibility without having the full gas composition. The purpose of these methods is for use cases where reasonable accuracy is required but not critical and the methods must be computationally efficient such that they can be used in programmable logic controllers, remote terminal units, and supervisory control and data acquisition systems; akin to the functionality of the NX-19 or AGA-8 Gross methods but with higher accuracy. Multiple simplified calculation methods were evaluated with one method performing significantly better tha
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Bruce. L51942 Refinement of Cooling Rate Prediction Methods for In-Service Welds. Pipeline Research Council International, Inc. (PRCI), 2003. http://dx.doi.org/10.55274/r0010435.

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Welds made onto in-service pipeline are particularly susceptible to hydrogen cracking because of the fast weld cooling rates that tend to result from the ability of the flowing contents to remove heat from the pipe wall. The most commonly used procedures for controlling the risk of hydrogen cracking rely on the use of a sufficiently high heat input level. Two methods currently exist for predicting required heat input levels for welds made onto in-service pipelines: thermal analysis computer modeling and the heat-sink capacity measurement method. The objective of this project was to refine thes
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3

Stone, M. E. Evaluation Of Methods To Measure Hydrogen Generation Rate In A Shielded Cell Environment And A Method Recommendation. Office of Scientific and Technical Information (OSTI), 2012. http://dx.doi.org/10.2172/1055580.

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4

Lynch, F., and J. Fulton. Advanced hydrogen/method utilization technology demonstration. Final report. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10145297.

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5

Ruangpornvisuti, Vithaya. Surfaces properties of Zirconia and its adsorption of gases : Research report. Chulalongkorn University, 2015. https://doi.org/10.58837/chula.res.2015.36.

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The adsorption of CO and NH₃ gases on the cubic ZrO2 (110) surface was investigated by two–dimensionally periodic slab model DFT method. The relative adsorption energies of these gases on the cubic ZrO₂ (110) surface is in order: NH₃ > CO. The adsorption energies of NH3 on the cubic ZrO₂ (110) surface are –27.62 and –25.51 kcal/mol, obtained using the PBE0 and B3LYP methods, respectively. The CO adsorption on the cubic ZrO2 (110) surface –11.39 and –9.81 kcal/mol, obtained using the PBE0 with rigid and flexible models, respectively. The geometry optimizations of zirconia nanoparticle (ZrO₂–
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6

Crippen, Karen, Russell Bora, Kevin Leodinh, and boaz Shields. PR-004-20602-R01 Technology Assessment of Applicable Methods for Dithiazine Analysis. Pipeline Research Council International, Inc. (PRCI), 2021. http://dx.doi.org/10.55274/r0012114.

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Dithiazine is a compound formed after passage of natural gas or renewable natural gas containing hydrogen sulfide through amine based hydrogen sulfide liquid scavenger towers. Similar to elemental sulfur, dithiazine can solidify at pressure or temperature reduction points and result in potential equipment issues. This study summarizes the state of monitoring dithiazine in gaseous fuels and assesses the potential for selected gas analyzers to continuously monitor dithiazine on-line or be developed for this application.
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7

Cox, Walter G. A Volumetric Method for Titrimetric Analysis of Hydrogen Peroxide. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada163582.

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8

Hasan, Shahid, and Rami Shabaneh. The Economics and Resource Potential of Hydrogen Production in Saudi Arabia. King Abdullah Petroleum Studies and Research Center, 2022. http://dx.doi.org/10.30573/ks--2021-dp24.

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Energy transition discussions, policymakers are increasingly viewing hydrogen as a preferred emissions-free substitute for oil, natural gas and coal in hard-to-abate sectors. However, hydrogen is not a primary energy source but rather is a carrier of energy. Many factors, including its source and the technology used to manufacture it, influence its production costs. Currently, hydrogen manufacturing processes themselves have significant carbon footprints. Thus, for hydrogen to be accepted as a low-carbon fuel source, its production methods must also be decarbonized.
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Flower, Jack, and Jack Miller. Low-carbon hydrogen supply. Parliamentary Office of Science and Technology, 2021. http://dx.doi.org/10.58248/pn645.

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Hydrogen could play a significant role in tackling climate change. Using it does not produce carbon dioxide, so it could replace fossil fuels in a range of applications. It may also provide valuable energy storage. However, almost all hydrogen production currently results in greenhouse gas emissions. Methods of producing it that do not emit greenhouse gases would need to increase for it to contribute to climate change mitigation. Governments and industry in the UK and abroad are aiming to increase low-carbon hydrogen supply. The UK Government will publish a Hydrogen Strategy in 2021.
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Graville, B. A. PR-225-9516-R01 Hydrogen Cracking in the HAZ of High Strength Steels - Development of a Test Method. Pipeline Research Council International, Inc. (PRCI), 1996. http://dx.doi.org/10.55274/r0011702.

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Cracking tests for evaluating the susceptibility of the heat affected zone (HAZ) to hydrogen cracking during welding often give ambiguous results because cracks occur in the weld metal rather than the HAZ. To solve this problem, a simple bend test was developed in which a Charpy V-notch was cut in the HAZ after welding the specimen thus ensuring cracks occurred in the desired location when the specimen was subsequently loaded in three-point bending. The test was shown to effectively respond to changes in hydrogen content and base metal composition. The test provides a quantitative measure of s
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