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Taguchi S, Hamanishi S, Satone H, Yamamoto T. Concentration of Diynoic Acids in Bicellar Mixtures Derived from Those Phase Separation. J Oleo Sci 2024; 73:887-894. [PMID: 38825541 DOI: 10.5650/jos.ess24006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2024] Open
Abstract
Bicellar mixtures containing diacetylene molecules, such as diynoic acids, can be used as parent materials for functional membranes. A bicellar mixture consisting of a diynoic acid-10,12-tricosadiynoic acid (TCDA)-, a phospholipid-1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC)-, and a detergent-3-[(3-cholamidopropyl) dimethylammonio]-2-hydroxypropanesulfonate (CHAPSO)-was evaluated for its morphology and packing of TCDA molecules in its bicellar mixture. A TCDA/DMPC vesicle was prepared at different molar ratios, TCDA/DMPC = 2/8, 5/5, and 8/2; a TCDA/DMPC/CHAPSO bicellar mixture was prepared by mixing a CHAPSO solution with a TCDA/DMPC vesicle solution as a detergent at different composition ratios, x TCDA/DMPC = [TCDA/DMPC]/([TCDA/DMPC]+[CHAPSO]), of 1.0, 0.70, 0.50, and 0.30. A DMPC molecule formed a bilayer membrane structure and was used to suppress its precipitation. The packing density of the TCDA/DMPC/CHAPSO bicellar mixtures was increased by mixing a CHAPSO molecule in x TCDA/DMPC = 1.0 to 0.70 or 0.50. A TEM image of a TCDA/DMPC/CHAPSO bicellar mixture showed many discoidal assemblies at x TCDA/DMPC = 0.5 of TCDA/DMPC = 5/5. Polymerization of the TCDA molecules in the bicellar mixture by UV light suggested an ordered arrangement of TCDA. Polymerization at x TCDA/DMPC = 0.70 and 0.50 correlated with improved packing density.
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Affiliation(s)
- Shogo Taguchi
- Department of Chemical Engineering and Materials Science, Grad. Sch. of Engineering, University of Hyogo
| | - Soh Hamanishi
- Department of Chemical Engineering and Materials Science, Grad. Sch. of Engineering, University of Hyogo
| | - Hiroshi Satone
- Department of Chemical Engineering and Materials Science, Grad. Sch. of Engineering, University of Hyogo
| | - Takuji Yamamoto
- Department of Chemical Engineering and Materials Science, Grad. Sch. of Engineering, University of Hyogo
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2
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Wang P, Liu X, You Y, Wang M, Huang Y, Li Y, Li K, Yang Y, Feng W, Liu Q, Chen J, Yang X. Fabrication of High-Performance Colorimetric Membrane by Incorporation of Polydiacetylene into Polyarylene Ether Nitriles Electrospinning Nanofibrous Membranes. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:4379. [PMID: 36558232 PMCID: PMC9785282 DOI: 10.3390/nano12244379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 11/25/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Polyarylene ether nitrile (PEN) is a novel high-performance engineering plastic with various applications, particularly in thermoresistance-required fields. In this study, a well-known stimuli-response polydiacetylene monomer, 10, 12-pentacosadiynoic acid (PCDA), was encapsulated within electrospun PEN nanofibers to fabricate a colorimetric membrane with satisfactory thermal and corrosion resistance. To optimize the compatibility with PCDA, two PENswith distinct molecular chains were utilized: PEN−PPL and PEN−BPA. The chemical structure and elemental mapping analysis revealed that the PCDA component was successfully incorporated into the PEN fibrous. The PCDA bound significantly better to the PEN−PPL than to the PEN−BPA; due to the carboxyl groups present on the side chains of PEN−PPL, the surface was smooth and the color changed uniformly as the temperature rose. However, owing to its poor compatibility with PEN−BPA, the PCDA formed agglomerations on the fibers. The thermal analysis demonstrated that the membranes obtained after PCDA compounding maintained their excellent heat resistance. The 5% weight loss temperatures of composite nanofibrous membranes manufactured by PEN−PPL and PEN−BPA were 402 °C and 506 °C, respectively, and their glass transition temperatures were 219 °C and 169 °C, respectively, indicating that the blended membranes can withstand high temperatures. The evaluation of application performance revealed that the composite membranes exhibited good dimensional stability upon high thermal and corrosive situations. Specifically, the PEN−P−PCDA did not shrink at 170 °C. Both composite membranes were dimensionally stable when exposed to the alkali aqueous solution. However, PEN−P−PCDA is more sensitive to OH−, exhibiting color transition at pH > 8, whereas PEN−B−PCDA exhibited color transition at high OH− concentrations (pH ≥ 13), with enhanced alkali resistance stability owing to its nanofibrous architecture. This exploratory study reveals the feasibility of PEN nanofibers functionalized using PCDA as a desirable stimulus-response sensor even in high-temperature and corrosive harsh environments.
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Affiliation(s)
- Pan Wang
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
| | - Xidi Liu
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
| | - Yong You
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu 610041, China
| | - Mengxue Wang
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
| | - Yumin Huang
- Research Branch of Advanced Functional Materials, School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Ying Li
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
| | - Kui Li
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
| | - Yuxin Yang
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
| | - Wei Feng
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
| | - Qiancheng Liu
- Institute for Advanced Materials Deformation and Damage from Multi-Scale, Chengdu University, Chengdu 610106, China
| | - Jiaqi Chen
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
| | - Xulin Yang
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
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3
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Application of New Sensor Technology and Few-Shot Learning in Education Based on IoT Era. COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 2022; 2022:3965416. [PMID: 35832246 PMCID: PMC9273351 DOI: 10.1155/2022/3965416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 11/18/2022]
Abstract
In recent years, with the rapid development of emerging Internet of Things technology and short-range wireless communication technology, smart healthcare monitoring network technology has become a research hotspot. It provides convenience for people and enhances the development of people's own healthcare awareness. This paper aims to study how to make its application in the field of smart healthcare education more applicable through the use of related technologies in the Internet of Things era and few-shot learning. For this reason, this paper proposes to optimize and improve the new sensor technology and the algorithm of few-shot learning, and to adjust some parameters as a whole. At the same time, related experiments and analysis are designed for the improved algorithm to study and understand its performance. The experimental results in this paper show that the improved algorithm improves its application effect by 36.9% and is relatively more applicable than the unimproved algorithm.
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4
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Gayathri V, Jaisankar SN, Samanta D. Temperature and pH responsive polymers: sensing applications. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2021. [DOI: 10.1080/10601325.2021.1988636] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Varnakumar Gayathri
- Polymer Science & Technology division, CSIR-Central Leather Research Institute, Chennai, India
- Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh, India
| | - Sellamuthu Nagappan Jaisankar
- Polymer Science & Technology division, CSIR-Central Leather Research Institute, Chennai, India
- Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh, India
| | - Debasis Samanta
- Polymer Science & Technology division, CSIR-Central Leather Research Institute, Chennai, India
- Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh, India
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5
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Liu W, Zeng C, Ge F, Yin Y, Wang C. Realization of reversible thermochromic polydiacetylene through silica nanoparticle surface modification. J Appl Polym Sci 2021. [DOI: 10.1002/app.49809] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wenwen Liu
- Key Laboratory of Eco‐Textile, Ministry of Education, College of Textile Science and Engineering Jiangnan University Wuxi China
| | - Chanjuan Zeng
- Key Laboratory of Eco‐Textile, Ministry of Education, College of Textile Science and Engineering Jiangnan University Wuxi China
| | - Fangqing Ge
- Key Laboratory of Eco‐Textile, Ministry of Education, College of Textile Science and Engineering Jiangnan University Wuxi China
| | - Yunjie Yin
- Key Laboratory of Eco‐Textile, Ministry of Education, College of Textile Science and Engineering Jiangnan University Wuxi China
| | - Chaoxia Wang
- Key Laboratory of Eco‐Textile, Ministry of Education, College of Textile Science and Engineering Jiangnan University Wuxi China
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Kingchok S, Nontasorn P, Laohhasurayotin K, Traiphol N, Traiphol R. Reversible thermochromic polydiacetylene/zinc-aluminium layered double hydroxides nanocomposites for smart paints and colorimetric sensors: The crucial role of zinc ions. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125733] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Ishioka S, Watanabe K, Imai H, Tseng YJ, Peng CH, Oaki Y. Glass-transition-induced color-changing resins containing layered polydiacetylene. Chem Commun (Camb) 2019; 55:11723-11726. [PMID: 31512688 DOI: 10.1039/c9cc05303d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A phase-segregated composite of polystyrene (PSt) and layered polydiacetylene (PDA) was formed through simultaneous polymerization and crystallization. As the motion of PSt chains with glass transition is transferred to that of PDA, the color change was achieved by the shortening of the conjugation length with deformation of the layered structure.
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Affiliation(s)
- Shuhei Ishioka
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
| | - Kei Watanabe
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
| | - Hiroaki Imai
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
| | - Yu-Jen Tseng
- Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Chi-How Peng
- Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Yuya Oaki
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
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Jeong W, Khazi MI, Lee DG, Kim JM. Intrinsically Porous Dual-Responsive Polydiacetylenes Based on Tetrahedral Diacetylenes. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b02294] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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9
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Mapazi O, Matabola KP, Moutloali RM, Ngila CJ. High temperature thermochromic polydiacetylene supported on polyacrylonitrile nanofibers. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.06.028] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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10
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Kim MJ, Angupillai S, Min K, Ramalingam M, Son YA. Tuning of the Topochemical Polymerization of Diacetylenes Based on an Odd/Even Effect of the Peripheral Alkyl Chain: Thermochromic Reversibility in a Thin Film and a Single-Component Ink for a Fountain Pen. ACS APPLIED MATERIALS & INTERFACES 2018; 10:24767-24775. [PMID: 29956908 DOI: 10.1021/acsami.8b05896] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The topochemical polymerization of diacetylenes (DAs) is closely related to the length of their alkyl chain. DA monomers have two types of alkyl chain side groups: the inner alkyl chain and the outer alkyl chain, that is, the peripheral alkyl chain. Herein, we designed and synthesized a series of DA monomers that possess bis-amide linkages with different peripheral alkyl chains ( n = 6-9; DA1-DA4). The peripheral alkyl chain length of these DA monomers exhibits an odd/even effect on topochemical polymerization. The polymerization of DAs was achieved only when n is an odd number, whereas no polymerization occurred when n is an even number. The odd/even effect on the topochemical polymerization was also investigated using ab initio density functional theory calculations. The thermochromic reversibility of polydiacetylenes (PDAs) was investigated using UV-vis absorption spectroscopy at temperatures ranging from 20 to 60 °C. Monomer DA2 was used as a single-component ink solution in a fountain pen that can be transformed into thermochromic letters on conventional paper. Furthermore, a PDA-embedded polyethylene oxide film was included to monitor the thermochromic reversibility and was found to exhibit excellent thermochromic reversibility between 20 and 100 °C and stability, enabling storage for a few months without deformation. Finally, a green-colored patterned polymer film is readily obtained by a subtractive color (blue and yellow) mixing method and exhibits high thermochromic reversibility at temperatures between 20 and 100 °C.
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Affiliation(s)
- Myeong Jin Kim
- Department of Advanced Organic Materials Engineering , Chungnam National University , 220 Gung-dong , Yuseong-gu, Daejeon 305-764 , South Korea
| | - Satheshkumar Angupillai
- Department of Advanced Organic Materials Engineering , Chungnam National University , 220 Gung-dong , Yuseong-gu, Daejeon 305-764 , South Korea
| | - Kyeongsu Min
- Department of Advanced Organic Materials Engineering , Chungnam National University , 220 Gung-dong , Yuseong-gu, Daejeon 305-764 , South Korea
| | - Manivannan Ramalingam
- Department of Advanced Organic Materials Engineering , Chungnam National University , 220 Gung-dong , Yuseong-gu, Daejeon 305-764 , South Korea
| | - Young-A Son
- Department of Advanced Organic Materials Engineering , Chungnam National University , 220 Gung-dong , Yuseong-gu, Daejeon 305-764 , South Korea
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11
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Transfer of molecular chirality to spiral nanostructure in the interfacial mixed amphiphilic diacetylene/histidine monolayers via in situ topochemical photopolymerization. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2017.08.046] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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12
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Influences of solvent media on chain organization and thermochromic behaviors of polydiacetylene assemblies prepared from monomer with symmetric alkyl tails. J IND ENG CHEM 2018. [DOI: 10.1016/j.jiec.2017.09.035] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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13
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Park JH, Choi H, Cui C, Ahn DJ. Capillary-Driven Sensor Fabrication of Polydiacetylene-on-Silica Plate in 30 Seconds: Facile Utilization of π-Monomers with C18- to C25-Long Alkyl Chain. ACS OMEGA 2017; 2:7444-7450. [PMID: 30023552 PMCID: PMC6044605 DOI: 10.1021/acsomega.7b01141] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 10/18/2017] [Indexed: 06/02/2023]
Abstract
By utilizing the capillary-force-driven action, a novel polydiacetylene-based sensor on the porous silica plate was developed within 30 s for π-diacetylene monomers with variable chain lengths. This method enables one to utilize diacetylene monomers even with the shorter alkyl chain length of C18-C21, which has not been possible with conventional methods. The invented sensor platform employing shorter monomers was found to perform better, as was demonstrated for gaseous and aqueous analytes, i.e., ammonia gas and nucleic acids in aqueous phase. This new polydiacetylene platform opens up the development of quick and easy fabrication and the use of chemical and biochemical chips.
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Affiliation(s)
- Jin Hyuk Park
- Department
of Chemical and Biological Engineering and KU-KIST Graduate School of Converging
Science and Technology, Korea University, Seoul 02841, Korea
| | - Hyun Choi
- Department
of Chemical and Biological Engineering and KU-KIST Graduate School of Converging
Science and Technology, Korea University, Seoul 02841, Korea
| | - Chunzhi Cui
- Department
of Chemical and Biological Engineering and KU-KIST Graduate School of Converging
Science and Technology, Korea University, Seoul 02841, Korea
| | - Dong June Ahn
- Department
of Chemical and Biological Engineering and KU-KIST Graduate School of Converging
Science and Technology, Korea University, Seoul 02841, Korea
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14
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Huo J, Deng Q, Fan T, He G, Hu X, Hong X, Chen H, Luo S, Wang Z, Chen D. Advances in polydiacetylene development for the design of side chain groups in smart material applications – a mini review. Polym Chem 2017. [DOI: 10.1039/c7py01396e] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This review focuses on various side chain groups based on PDAs published over the last 3 years, covering urea, melamine, ferriferous oxide and coumarin. Perspectives on the remaining challenges and future developments are also proposed.
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Affiliation(s)
- Jingpei Huo
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- P. R. China
| | - Qianjun Deng
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- P. R. China
| | - Ting Fan
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- P. R. China
| | - Guozhang He
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- P. R. China
| | - Xiaohong Hu
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- P. R. China
| | - Xiaxiao Hong
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- P. R. China
| | - Hong Chen
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- P. R. China
| | - Shihe Luo
- School of Chemistry and Environment
- South China Normal University
- Guangzhou
- P. R. China
| | - Zhaoyang Wang
- School of Chemistry and Environment
- South China Normal University
- Guangzhou
- P. R. China
| | - Dongchu Chen
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- P. R. China
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