1
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Ghosh A, Dubey SK, Patra M, Mandal J, Ghosh NN, Das P, Bhowmick A, Sarkar K, Mukherjee S, Saha R, Bhattacharjee S. Solvent‐ and Substrate‐Induced Chiroptical Inversion in Amphiphilic, Biocompatible Glycoconjugate Supramolecules: Shape‐Persistent Gelation, Self‐Healing, and Antibacterial Activity. Chemistry 2022; 28:e202201621. [DOI: 10.1002/chem.202201621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Angshuman Ghosh
- Department of Chemistry Kazi Nazrul University Asansol 713340 West Bengal India
- TCG Lifescience, Block BN Sector V Saltlake Kolkata 700156 West Bengal India
| | - Soumen Kumar Dubey
- Department of Chemistry Kazi Nazrul University Asansol 713340 West Bengal India
| | - Maxcimilan Patra
- Department of Chemistry Kazi Nazrul University Asansol 713340 West Bengal India
| | - Jishu Mandal
- CIF Biophysical Laboratory CSIR-Indian Institute of Chemical Biology Jadavpur Kolkata 700032 West Bengal India
| | - Narendra Nath Ghosh
- Department of Chemistry University of Gour Banga Mokdumpur 732103 West Bengal India
| | - Priyanka Das
- Department of Microbiology University of Kalyani Kalyani, Nadia 741235 West Bengal India
| | - Arpita Bhowmick
- Department of Microbiology University of Kalyani Kalyani, Nadia 741235 West Bengal India
| | - Keka Sarkar
- Department of Microbiology University of Kalyani Kalyani, Nadia 741235 West Bengal India
| | - Suprabhat Mukherjee
- Department of Animal Science Kazi Nazrul University Asansol 713340 West Bengal India
| | - Rajat Saha
- Department of Chemistry Kazi Nazrul University Asansol 713340 West Bengal India
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2
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Manna U, Roy R, Datta HK, Dastidar P. Supramolecular Gels from Bis‐amides of L‐Phenylalanine: Synthesis, Structure and Material Applications. Chem Asian J 2022; 17:e202200660. [DOI: 10.1002/asia.202200660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/25/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Utsab Manna
- Indian Association for the Cultivation of Sciences School of Chemical Sciences School of Chemical sciences INDIA
| | - Rajdip Roy
- Indian Association for the Cultivation of Sciences School of Chemical Sciences School of Chemical sciences INDIA
| | - Hemanta Kumar Datta
- Indian Association for the Cultivation of Sciences School of Chemical Sciences School of Chemical sciences INDIA
| | - Parthasarathi Dastidar
- Indian Association for the Cultivation of Science IACS Department of Organic Chemistry 2A & 2B Raja S C Mullick Road 700032 Jadavpur, Kolkata INDIA
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3
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Baig N, Saleh TA. Photochemically Produced Superhydrophobic Silane@polystyrene-Coated Polypropylene Fibrous Network for Oil/Water Separation. Chem Asian J 2021; 16:329-341. [PMID: 33453081 DOI: 10.1002/asia.202001368] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/28/2020] [Indexed: 12/16/2022]
Abstract
Cost-effective separation of oil and immiscible organic contaminants from water has become an urgent challenge to protect aquatic and human life from devastating effects. Therefore, it has become imperative to develop super-selective materials for efficiently separating oil from water. In this work, a superhydrophobic surface has been formed that consists of a silane@polystyrene-coated polypropylene fibrous network (silane@PS-PPF) for efficient separation of accidentally spilled oil from water. The superhydrophobic PPFs were designed by a simple, cost-effective two-step process that includes photochemically controlled polymerization of styrene and subsequent dip coating in octadecyltrichlorosilane solution. The hydrophobic surface (CA=129°±4°) of the PS coated PPF after treating with silane was turned into a superhydrophobic body (CA=161°±2°). The achieved silane@PS-PPF fibrous network selectively allowed the fast permeation of the oils and non-polar organic liquids by altogether rejecting water during operation. The separation efficiency for various oils from the contaminated water was 96 to 99%, with a high flux in the range of 7606±312 L m-2 h-1 to 9870±151 L m-2 h-1 . Apart from being used as a filter, the silane@PS-PPF was also used as an oil absorber and has shown an absorption capacity in the range of 1185 to 1535% for various oils. We anticipate that the developed silane@PS-PPF, due to its facile synthetic route, cost-effectiveness, and high performance, can be effectively used in oily wastewater treatment and clean-up of large oil spills from water.
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Affiliation(s)
- Nadeem Baig
- Center of Research Excellence in Desalination & Water Treatment, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia.,Center for Environment and Water, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Tawfik A Saleh
- Chemistry Department, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia
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4
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Vibhute AM, Sureshan KM. How Far Are We in Combating Marine Oil Spills by Using Phase-Selective Organogelators? CHEMSUSCHEM 2020; 13:5343-5360. [PMID: 32808717 DOI: 10.1002/cssc.202001285] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/17/2020] [Indexed: 06/11/2023]
Abstract
Marine oil spills is one of the frequent natural disasters that adversely affect the economy and ecosystem. A variety of methods have been developed to combat marine oil spills. However, none of these methods is ideal and universal for tackling different kinds of oil spills. In addition, most of these methods do not offer the possibility for recovering the spilt oil. There is great interest in developing novel and better methods for combating marine oil spills that allow recovery of the spilt oil. The use of low molecular weight organogelators that can selectively congeal oil from oil-water mixtures have been proposed to be useful for oil spill recovery. From this initial proposal, the area has progressed gradually towards their practical implementation. The advancements and novel concepts in this area are reviewed.
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Affiliation(s)
- Amol M Vibhute
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram, Kerala, 695551, India
| | - Kana M Sureshan
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram, Kerala, 695551, India
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5
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Dhibar S, Dey A, Ghosh D, Majumdar S, Dey A, Ray PP, Dey B. Triethylenetetramine-Based Semiconducting Fe(III) Metallogel: Effective Catalyst for Aryl-S Coupling. ACS OMEGA 2020; 5:2680-2689. [PMID: 32095691 PMCID: PMC7033679 DOI: 10.1021/acsomega.9b03194] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Accepted: 01/27/2020] [Indexed: 06/10/2023]
Abstract
A fascinating way to originate a mechanically stable metallogel of ferric ions with metal-coordinating organic ligand triethylenetetramine through direct mixing of their water solutions in a stoichiometric ratio is achieved under ambient conditions. The rheological study established the mechanical property of the Fe(III) metallogel. A cashew-shaped microstructure of the metallogel was observed by FESEM analysis. The electrical property of the Fe(III) metallogel was also carefully scrutinized. The semiconducting features like the Schottky barrier diode property of the Fe(III) metallogel were explored. The catalytic role of the Fe(III) metallogel was also critically explored. The Fe(III) metallogel shows an excellent catalytic property toward the synthesis of aryl thioethers via a C-S coupling reaction under mild reaction conditions without the use of any organic solvent.
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Affiliation(s)
- Subhendu Dhibar
- Department
of Chemistry, Visva-Bharati University, Santiniketan 731235, India
| | - Arka Dey
- Department
of Condensed Matter Physics and Material Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sec. III, Salt Lake, Kolkata 700106, India
- Department
of Physics, Jadavpur University, Kolkata 700032, India
| | - Debasish Ghosh
- Department
of Chemistry, Visva-Bharati University, Santiniketan 731235, India
| | - Santanu Majumdar
- Department
of Chemistry, Visva-Bharati University, Santiniketan 731235, India
| | - Amiya Dey
- Department
of Chemistry, Visva-Bharati University, Santiniketan 731235, India
| | | | - Biswajit Dey
- Department
of Chemistry, Visva-Bharati University, Santiniketan 731235, India
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6
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Mandegani F, Zali‐Boeini H, Khayat Z, Braun JD, Herbert DE. Low‐Molecular‐Weight Gelators as Dual‐Responsive Chemosensors for the Naked‐Eye Detection of Mercury(II) and Copper(II) Ions and Molecular Logic Gates. ChemistrySelect 2020. [DOI: 10.1002/slct.201903436] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Fatemeh Mandegani
- Department of Chemistry University of Isfahan 81746-73441 Isfahan Iran
| | | | - Zohreh Khayat
- Department of Chemistry University of Isfahan 81746-73441 Isfahan Iran
| | - Jason D. Braun
- Department of Chemistry and the Manitoba Institute for Materials University of Manitoba 144 Dysart Rd Winnipeg, MB R3T 2 N2 Canada
| | - David E. Herbert
- Department of Chemistry and the Manitoba Institute for Materials University of Manitoba 144 Dysart Rd Winnipeg, MB R3T 2 N2 Canada
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7
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Zhang H, Lu X, Chen Z, Jiang J, Chen Y. A redox-responsive organogel based on a selenium-containing low molecular mass gelator. NEW J CHEM 2020. [DOI: 10.1039/c9nj04248b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A redox-responsive low molecular mass gelator (Chol-Se) with selenium as its redox-active center was designed and synthesized. Responsive transformation of Chol-Se in ethyl acetate between the gelation and solution was achieved.
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Affiliation(s)
- Haojie Zhang
- The Key Laboratory of Synthetic and Biological Colloids
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi
| | - Xiuping Lu
- The Key Laboratory of Synthetic and Biological Colloids
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi
| | - Zhao Chen
- The Key Laboratory of Synthetic and Biological Colloids
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi
| | - Jianzhong Jiang
- The Key Laboratory of Synthetic and Biological Colloids
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi
| | - Yukai Chen
- The Key Laboratory of Synthetic and Biological Colloids
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi
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8
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Sperandio C, Quintard G, Naubron J, Giorgi M, Yemloul M, Parrain J, Rodriguez J, Quintard A. Strategic Stereoselective Halogen (F, Cl) Insertion: A Tool to Enhance Supramolecular Properties in Polyols. Chemistry 2019; 25:15098-15105. [PMID: 31453654 DOI: 10.1002/chem.201902983] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 08/26/2019] [Indexed: 11/07/2022]
Affiliation(s)
- Céline Sperandio
- Aix Marseille Université, CNRS, Centrale Marseille, iSm2 Marseille France
| | - Guilhem Quintard
- Université de Lyon, INSA LYON, Ingénierie des Matériaux Polymères, IMP-UMR CNRS 5223 69621 Villeurbanne France
| | - Jean‐Valere Naubron
- Aix Marseille Université, CNRS, Centrale Marseille, Spectropole Marseille France
| | - Michel Giorgi
- Aix Marseille Université, CNRS, Centrale Marseille, Spectropole Marseille France
| | - Mehdi Yemloul
- Aix Marseille Université, CNRS, Centrale Marseille, iSm2 Marseille France
| | - Jean‐Luc Parrain
- Aix Marseille Université, CNRS, Centrale Marseille, iSm2 Marseille France
| | - Jean Rodriguez
- Aix Marseille Université, CNRS, Centrale Marseille, iSm2 Marseille France
| | - Adrien Quintard
- Aix Marseille Université, CNRS, Centrale Marseille, iSm2 Marseille France
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9
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Cao BP, Shen C, Xu Y, Zhou Q, Morita Y, Okamoto H, Xiao Q. Synthesis, liquid crystalline and gelation properties of 4-semifluoroalkoxybiphenyl derivatives. J Fluor Chem 2019. [DOI: 10.1016/j.jfluchem.2019.109348] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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10
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Podder D, Chowdhury SR, Nandi SK, Haldar D. Tripeptide based super-organogelators: structure and function. NEW J CHEM 2019. [DOI: 10.1039/c8nj05578e] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The peptide based super-gelators are highly soluble in non-toxic organic solvent ethanol, the solution is easy to handle and just by spraying the ethanol solution over an oil–water mixture it is able to form an organogel at room temperature.
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Affiliation(s)
- Debasish Podder
- Department of Chemical Sciences
- Indian Institute of Science Education and Research Kolkata
- Mohanpur – 741246
- India
| | - Srayoshi Roy Chowdhury
- Department of Chemical Sciences
- Indian Institute of Science Education and Research Kolkata
- Mohanpur – 741246
- India
| | - Sujay Kumar Nandi
- Department of Chemical Sciences
- Indian Institute of Science Education and Research Kolkata
- Mohanpur – 741246
- India
| | - Debasish Haldar
- Department of Chemical Sciences
- Indian Institute of Science Education and Research Kolkata
- Mohanpur – 741246
- India
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11
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Guo Z, Gu H, Chen Q, He Z, Xu W, Zhang J, Liu Y, Xiong L, Zheng L, Feng Y. Macroporous monoliths with pH-induced switchable wettability for recyclable oil separation and recovery. J Colloid Interface Sci 2018; 534:183-194. [PMID: 30223199 DOI: 10.1016/j.jcis.2018.09.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 09/05/2018] [Accepted: 09/06/2018] [Indexed: 12/17/2022]
Abstract
HYPOTHESIS The effective separation and recovery of oils from water is important for the protections of ecosystems and the environment. Polymeric porous monoliths have been demonstrated as attractive absorbents for oil/water separation. However, the recyclability was mainly realized by squeezing, combustion, or centrifugation, which may restrict in elastic materials, destroy the adsorbates or need special apparatus. Thus it is desirable to developing monoliths with controllable oil absorption and desorption. EXPERIMENTS A series of "smart" monoliths with pH-induced switchable wettability were fabricated by high internal phase emulsion (HIPE) polymerization and epoxide ring-opening for the incorporation of amine groups. The resultant monoliths and their wettabilities were examined using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), nitrogen adsorption/desorption and contact angle analysis, respectively. The oil separation efficiency and recyclability were evaluated. FINDINGS The monoliths with macroporous structure can undergo switchable wettability under reversible pH stimulation. As an absorbent, the monoliths not only separated and recovered organic solvents and oils (including crude oil) from aqueous mixtures through a reversible and recyclable absorption and desorption process upon alternating the pH between 7.0 and 1.0, but also continuously expulsed oils from water surfaces in a continuous manner with the aid of external driving pressures. Moreover, the monoliths also allowed the effective separation of surfactant-free and surfactant-stabilized oil-in-water emulsions with high separation efficiency.
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Affiliation(s)
- Zanru Guo
- Department of Polymer Materials and Chemical Engineering, School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, PR China.
| | - Hongjian Gu
- Department of Polymer Materials and Chemical Engineering, School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, PR China
| | - Qiang Chen
- Department of Polymer Materials and Chemical Engineering, School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, PR China
| | - Zhanfeng He
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, PR China.
| | - Wenyuan Xu
- Department of Polymer Materials and Chemical Engineering, School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, PR China
| | - Jiali Zhang
- Department of Polymer Materials and Chemical Engineering, School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, PR China
| | - Yongxin Liu
- Department of Polymer Materials and Chemical Engineering, School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, PR China
| | - Leyan Xiong
- Department of Polymer Materials and Chemical Engineering, School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, PR China
| | - Longzhen Zheng
- Department of Polymer Materials and Chemical Engineering, School of Materials Science and Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, PR China
| | - Yujun Feng
- Polymer Research Institute, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, PR China.
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12
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Xing R, Huang R, Qi W, Su R, He Z. Three-dimensionally printed bioinspired superhydrophobic PLA membrane for oil-water separation. AIChE J 2018. [DOI: 10.1002/aic.16347] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Ruizhe Xing
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology, Tianjin University; Tianjin, 300072 People's Republic of China
| | - Renliang Huang
- School of Environmental Science and Engineering, Tianjin University; Tianjin, 300072 People's Republic of China
| | - Wei Qi
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology, Tianjin University; Tianjin, 300072 People's Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin University; Tianjin, 300072 People's Republic of China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology; Tianjin University; Tianjin, 300072 People's Republic of China
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology, Tianjin University; Tianjin, 300072 People's Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin University; Tianjin, 300072 People's Republic of China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology; Tianjin University; Tianjin, 300072 People's Republic of China
| | - Zhimin He
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology, Tianjin University; Tianjin, 300072 People's Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin University; Tianjin, 300072 People's Republic of China
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13
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Skilling KJ, Stocks MJ, Kellam B, Ashford M, Bradshaw TD, Burroughs L, Marlow M. Nucleoside-Based Self-Assembling Drugs for Localized Drug Delivery. ChemMedChem 2018; 13:1098-1101. [DOI: 10.1002/cmdc.201800063] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 03/18/2018] [Indexed: 11/08/2022]
Affiliation(s)
| | | | - Barrie Kellam
- School of Pharmacy; University of Nottingham; Nottingham NG7 2RD UK
| | - Marianne Ashford
- Advanced Drug Delivery, Pharmaceutical Sciences, IMED Biotech; AstraZeneca; Macclesfield UK
| | | | | | - Maria Marlow
- School of Pharmacy; University of Nottingham; Nottingham NG7 2RD UK
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14
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Yang C, Bai B, He Y, Hu N, Wang H, Suo Y. Novel Fabrication of Solar Light-Heated Sponge through Polypyrrole Modification Method and Their Applications for Fast Cleanup of Viscous Oil Spills. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b00166] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Chenxi Yang
- Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region of the Ministry of Education, Chang’an University, No. 126 Yanta Road, Xi’an 710054, Shaanxi, China
- College of Environmental Science and Engineering, Chang’an University, Xi’an 710054, P. R. China
| | - Bo Bai
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Xining 810001, P. R. China
| | - Yunhua He
- Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region of the Ministry of Education, Chang’an University, No. 126 Yanta Road, Xi’an 710054, Shaanxi, China
- College of Environmental Science and Engineering, Chang’an University, Xi’an 710054, P. R. China
| | - Na Hu
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Xining 810001, P. R. China
| | - Honglun Wang
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Xining 810001, P. R. China
| | - Yourui Suo
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Xining 810001, P. R. China
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15
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Krishnan BP, Sureshan KM. A Library of Multipurpose Supramolecular Supergelators: Fabrication of Structured Silica, Porous Plastics, and Fluorescent Gels. Chem Asian J 2017; 13:187-193. [PMID: 29195010 DOI: 10.1002/asia.201701657] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Indexed: 12/13/2022]
Abstract
Supramolecular gels find applications in various fields. Usually, a specific gelator is useful only for a specific application. This one-gelator-one-application format is one factor that limits the usefulness of supramolecular gels. We report the synthesis of a library of gelators from a common core by using a click-chemistry approach. Thus, the click reaction of β-azido-4,6-O-benzylidene-galactopyranoside (1) with various alkynes gave 11 different gelators having varying gelation abilities. Whereas gelators having alkyl-chain substituents congealed alkanes and tetraethylorthosilicate (TEOS), the gelators having aromatic substituents congealed aromatic solvents. We exploited this difference in gelling behavior in the templated synthesis of silica rods and porous plastics. The styrene gel of gelator 2 j was polymerized, and the gelator was removed by washing to obtain porous polystyrene. The TEOS gel of gelator 2 b was polymerized to silica, and the gelator template was removed by calcination to give microstructured silica rods. We also developed fluorescent gelator 2 f by this method, which might find applications by virtue of its fluorescence in the assembled state.
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Affiliation(s)
- Baiju P Krishnan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura campus, Thiruvananthapuram, 695551, India
| | - Kana M Sureshan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura campus, Thiruvananthapuram, 695551, India
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16
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Mukhopadhyay RD, Vedhanarayanan B, Ajayaghosh A. Creation of “Rose Petal” and “Lotus Leaf” Effects on Alumina by Surface Functionalization and Metal-Ion Coordination. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201709463] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Rahul Dev Mukhopadhyay
- Photosciences and Photonics Section; Chemical Sciences and Technology Division and Academy of Scientific and Innovative Research (AcSIR); CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Thiruvananthapuram 695019 India
| | - Balaraman Vedhanarayanan
- Photosciences and Photonics Section; Chemical Sciences and Technology Division and Academy of Scientific and Innovative Research (AcSIR); CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Thiruvananthapuram 695019 India
| | - Ayyappanpillai Ajayaghosh
- Photosciences and Photonics Section; Chemical Sciences and Technology Division and Academy of Scientific and Innovative Research (AcSIR); CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Thiruvananthapuram 695019 India
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17
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Mukhopadhyay RD, Vedhanarayanan B, Ajayaghosh A. Creation of "Rose Petal" and "Lotus Leaf" Effects on Alumina by Surface Functionalization and Metal-Ion Coordination. Angew Chem Int Ed Engl 2017; 56:16018-16022. [PMID: 29053212 DOI: 10.1002/anie.201709463] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Indexed: 11/10/2022]
Abstract
Functional differences between superhydrophobic surfaces, such as lotus leaf and rose petals, are due to the subtle architectural features created by nature. Mimicry of these surfaces with synthetic molecules continues to be fascinating as well as challenging. Herein, we demonstrate how inherently hydrophilic alumina surface can be modified to give two distinct superhydrophobic behaviors. Functionalization of alumina with an organic ligand resulted in a rose-petal-like surface (water pinning) with a contact angle of 145° and a high contact angle hysteresis (±69°). Subsequent interaction of the ligand with Zn2+ resulted in a lotus-leaf-like surface with water rolling behavior owing to high contact angle (165°) and low-contact-angle-hysteresis (±2°). In both cases, coating of an aromatic bis-aldehyde with alkoxy chain substituents was necessary to emulate the nanowaxy cuticular feature of natural superhydrophobic materials.
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Affiliation(s)
- Rahul Dev Mukhopadhyay
- Photosciences and Photonics Section, Chemical Sciences and Technology Division and Academy of Scientific and Innovative Research (AcSIR), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, 695019, India
| | - Balaraman Vedhanarayanan
- Photosciences and Photonics Section, Chemical Sciences and Technology Division and Academy of Scientific and Innovative Research (AcSIR), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, 695019, India
| | - Ayyappanpillai Ajayaghosh
- Photosciences and Photonics Section, Chemical Sciences and Technology Division and Academy of Scientific and Innovative Research (AcSIR), CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, 695019, India
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18
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Prathap A, Sureshan KM. Organogelator-Cellulose Composite for Practical and Eco-Friendly Marine Oil-Spill Recovery. Angew Chem Int Ed Engl 2017. [PMID: 28640482 DOI: 10.1002/anie.201704699] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Marine oil spills pose serious threats to the ecosystem and economy. There is much interest in developing sorbents that can tackle such spills. We have developed a novel sorbent by impregnating cellulose pulp with a sugar-derived oleogelator, 1,2:5,6-di-O-cyclohexylidene-mannitol. The gelator molecules mask the surface-exposed hydroxyl groups of cellulose fibrils by engaging them in H-bonding and expose their hydrophobic parts making the fibers temporarily hydrophobic (water contact angle 110°). This sorbent absorbs oil effectively, selectively and instantly from oil-water mixtures due to its hydrophobicity. Then the gelator molecules get released uniformly in the oil and later self-assemble to fibers, as evident from SEM analysis, congealing the oil within the matrix. This hierarchical entrapment of the oil by non-covalent polymeric fibers within a covalent polymer matrix makes the gel very strong (230-fold increase in the yield stress) and rigid, making it suitable for practical use.
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Affiliation(s)
- Annamalai Prathap
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram, Kerala-, 695 016, India
| | - Kana M Sureshan
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram, Kerala-, 695 016, India
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19
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Prathap A, Sureshan KM. Organogelator-Cellulose Composite for Practical and Eco-Friendly Marine Oil-Spill Recovery. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201704699] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Annamalai Prathap
- School of Chemistry; Indian Institute of Science Education and Research; Thiruvananthapuram Kerala- 695 016 India
| | - Kana M. Sureshan
- School of Chemistry; Indian Institute of Science Education and Research; Thiruvananthapuram Kerala- 695 016 India
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20
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Wang J, Xue Z, Yu T, Liu Z, Mu T. Activation of Cellulose Assisted by CO2
for the Preparation of a Superhydrophobic Nanocoating. Chem Asian J 2017; 12:1773-1779. [DOI: 10.1002/asia.201700335] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 04/30/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Jinfang Wang
- Department of Chemistry; Renmin University of China; 59 Zhongguancun Street Beijing 100872 China
| | - Zhimin Xue
- Beijing Key Laboratory of Lignocellulosic Chemistry; College of Materials Science and Technology; Beijing Forestry University; 35 Tsinghua East Road Haidian District Beijing 100083 China
| | - Tingting Yu
- Department of Chemistry; Renmin University of China; 59 Zhongguancun Street Beijing 100872 China
| | - Zhimin Liu
- Beijing National Laboratory for Molecular Sciences (BNLMS); Institute of Chemistry; Chinese Academy of Sciences; 2 Zhongguancun Beiyijie Beijing 100190 China
| | - Tiancheng Mu
- Department of Chemistry; Renmin University of China; 59 Zhongguancun Street Beijing 100872 China
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21
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Ren C, Shen J, Chen F, Zeng H. Rapid Room-Temperature Gelation of Crude Oils by a Wetted Powder Gelator. Angew Chem Int Ed Engl 2017; 56:3847-3851. [DOI: 10.1002/anie.201611852] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Changliang Ren
- Institute of Bioengineering and Nanotechnology; 31 Biopolis Way, The Nanos Singapore 138669 Singapore
| | - Jie Shen
- Institute of Bioengineering and Nanotechnology; 31 Biopolis Way, The Nanos Singapore 138669 Singapore
| | - Feng Chen
- Institute of Bioengineering and Nanotechnology; 31 Biopolis Way, The Nanos Singapore 138669 Singapore
| | - Huaqiang Zeng
- Institute of Bioengineering and Nanotechnology; 31 Biopolis Way, The Nanos Singapore 138669 Singapore
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22
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Ren C, Shen J, Chen F, Zeng H. Rapid Room-Temperature Gelation of Crude Oils by a Wetted Powder Gelator. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611852] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Changliang Ren
- Institute of Bioengineering and Nanotechnology; 31 Biopolis Way, The Nanos Singapore 138669 Singapore
| | - Jie Shen
- Institute of Bioengineering and Nanotechnology; 31 Biopolis Way, The Nanos Singapore 138669 Singapore
| | - Feng Chen
- Institute of Bioengineering and Nanotechnology; 31 Biopolis Way, The Nanos Singapore 138669 Singapore
| | - Huaqiang Zeng
- Institute of Bioengineering and Nanotechnology; 31 Biopolis Way, The Nanos Singapore 138669 Singapore
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23
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Durgadevi N, Swarnalatha V. Polythiophene functionalized hydrophobic cellulose kitchen wipe sponge and cellulose fabric for effective oil–water separation. RSC Adv 2017. [DOI: 10.1039/c7ra05578a] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Oil–water separation using polythiophene coated cellulose sponge and fabric.
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Affiliation(s)
- Nagarajan Durgadevi
- Department of Sciences
- Amrita School of Engineering
- Amrita Vishwa Vidyapeetham
- Amrita University
- Coimbatore
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24
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Ran X, Li Y, Gao Q, Qiu W, Guo L. A Smart Phase-Selective Gelator for Recycling Aromatic Solvents, the Removal of Toxic Dyes, and Molecular Delivery. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600480] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Xia Ran
- Institute of Photobiophysics; School of Physics and Electronics; Henan University; Kaifeng 475004 P. R. China
| | - Yajie Li
- Institute of Photobiophysics; School of Physics and Electronics; Henan University; Kaifeng 475004 P. R. China
| | - Qiongqiong Gao
- Institute of Photobiophysics; School of Physics and Electronics; Henan University; Kaifeng 475004 P. R. China
| | - Weihong Qiu
- Department of Physics; Oregon State University; Corvallis OR 97331 USA
| | - Lijun Guo
- Institute of Photobiophysics; School of Physics and Electronics; Henan University; Kaifeng 475004 P. R. China
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25
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Gao S, Wang S, Ma J, Wu Y, Fu X, Marella RK, Liu K, Fang Y. Salt Tunable Rheology of Thixotropic Supramolecular Organogels and Their Applications for Crystallization of Organic Semiconductors. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:12805-12813. [PMID: 27794610 DOI: 10.1021/acs.langmuir.6b03375] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Physical gelation behaviors of a series of novel bisurea-based derivatives bearing fatty alkyl tertiary amine moieties have been explored in water and common organic solvents. One of these amines exhibits very good thixotropic gels in apolar aromatic solvents (e.g., xylenes). The corresponding sol-gel transition is instantaneous and could be repeated for at least 50 cycles. Interestingly, the elasticity and strength of the resulting gels can be remarkably enhanced initially by the addition of a trace amount of tetrabutylammonium acetate (TBA) followed by a subsequent drop with further salt addition. Temperature-dependent 1H NMR confirmed that hydrogen bonding is the main driving force for the physical gelation. TEM, rheology, 1H NMR titration, and examination of critical gelation concentration (CGC) reveal that the phenomenon is due to the dominated effects, the salting out effect at lower TBA concentration, or the anion-urea hydrogen bonding at higher TBA concentration. Furthermore, the obtained transparent gels in this work can be used as good media for growing crystals of several organic semiconductors.
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Affiliation(s)
- Sheng Gao
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University , No. 620, West Chang'an Avenue, Chang'an District, Xi'an 710119, People's Republic of China
| | - Suansuan Wang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University , No. 620, West Chang'an Avenue, Chang'an District, Xi'an 710119, People's Republic of China
| | - Jing Ma
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University , No. 620, West Chang'an Avenue, Chang'an District, Xi'an 710119, People's Republic of China
| | - Ying Wu
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University , No. 620, West Chang'an Avenue, Chang'an District, Xi'an 710119, People's Republic of China
| | - Xuwei Fu
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University , No. 620, West Chang'an Avenue, Chang'an District, Xi'an 710119, People's Republic of China
| | - Ravi Kumar Marella
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University , No. 620, West Chang'an Avenue, Chang'an District, Xi'an 710119, People's Republic of China
| | - Kaiqiang Liu
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University , No. 620, West Chang'an Avenue, Chang'an District, Xi'an 710119, People's Republic of China
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University , No. 620, West Chang'an Avenue, Chang'an District, Xi'an 710119, People's Republic of China
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26
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Krishnan BP, Sureshan KM. A Molecular-Level Study of Metamorphosis and Strengthening of Gels by Spontaneous Polymorphic Transitions. Chemphyschem 2016; 17:3062-3067. [DOI: 10.1002/cphc.201600590] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Baiju P. Krishnan
- School of Chemistry; Indian Institute of Science Education; and Research Thiruvananthapuram; CET campus Thiruvananthapuram- 695016 India
| | - Kana M. Sureshan
- School of Chemistry; Indian Institute of Science Education; and Research Thiruvananthapuram; CET campus Thiruvananthapuram- 695016 India
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27
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Datta S, Bhattacharya S. Carbon-Nanotube-Mediated Electrochemical Transition in a Redox-Active Supramolecular Hydrogel Derived from Viologen and an l-Alanine-Based Amphiphile. Chemistry 2016; 22:7524-32. [PMID: 27059107 DOI: 10.1002/chem.201600214] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2016] [Indexed: 12/16/2022]
Abstract
A two-component hydrogelator (16-A)2 -V(2+) , comprising an l-alanine-based amphiphile (16-A) and a redox-active viologen based partner (V(2+) ), is reported. The formation the hydrogel depended, not only on the acid-to-amine stoichiometric ratio, but on the choice of the l-amino acid group and also on the hydrocarbon chain length of the amphiphilic component. The redox responsive property and the electrochemical behavior of this two-component system were further examined by step-wise chemical and electrochemical reduction of the viologen nucleus (V(2+) /V(+) and V(+) /V(0) ). The half-wave reduction potentials (E1/2 ) associated with the viologen ring shifted to more negative values with increasing amine component. This indicates that higher extent of salt formation hinders reduction of the viologen moiety. Interestingly, the incorporation of single-walled carbon nanotubes in the electrochemically irreversible hydrogel (16-A)2 -V(2+) transformed it into a quasi-reversible electrochemical system.
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Affiliation(s)
- Sougata Datta
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, Karnataka, India.,Director's Research Unit (DRU), Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700 032, India
| | - Santanu Bhattacharya
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, Karnataka, India. .,Director's Research Unit (DRU), Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700 032, India. .,Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, 560 064, Jakkur, India.
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28
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Vibhute AM, Muvvala V, Sureshan KM. A Sugar-Based Gelator for Marine Oil-Spill Recovery. Angew Chem Int Ed Engl 2016; 55:7782-5. [DOI: 10.1002/anie.201510308] [Citation(s) in RCA: 119] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Indexed: 12/14/2022]
Affiliation(s)
- Amol M. Vibhute
- School of Chemistry; Indian Institute of Science Education and Research, Thiruvananthapuram; KERALA- 695016 India
| | - Venkatanarayana Muvvala
- School of Chemistry; Indian Institute of Science Education and Research, Thiruvananthapuram; KERALA- 695016 India
| | - Kana M. Sureshan
- School of Chemistry; Indian Institute of Science Education and Research, Thiruvananthapuram; KERALA- 695016 India
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29
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Vibhute AM, Muvvala V, Sureshan KM. A Sugar-Based Gelator for Marine Oil-Spill Recovery. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201510308] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Amol M. Vibhute
- School of Chemistry; Indian Institute of Science Education and Research, Thiruvananthapuram; KERALA- 695016 India
| | - Venkatanarayana Muvvala
- School of Chemistry; Indian Institute of Science Education and Research, Thiruvananthapuram; KERALA- 695016 India
| | - Kana M. Sureshan
- School of Chemistry; Indian Institute of Science Education and Research, Thiruvananthapuram; KERALA- 695016 India
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30
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Cao B, Kaneshige Y, Matsue Y, Morita Y, Okamoto H. 4-Perfluoroalkylbutoxybenzene derivatives as liquid crystalline organogelators based on phase-selective gelators. NEW J CHEM 2016. [DOI: 10.1039/c6nj00741d] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
4-Perfluoroalkylbutoxybenzene derivatives as a smart soft material show efficient and rapid phase-selective gelation ability from water at extremes of pH.
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Affiliation(s)
- Banpeng Cao
- Graduate School of Science and Engineering
- Yamaguchi University
- Ube Yamaguchi
- Japan
- Jiangxi Key Laboratory of Organic Chemistry
| | - Yuta Kaneshige
- Graduate School of Science and Engineering
- Yamaguchi University
- Ube Yamaguchi
- Japan
| | - Yuya Matsue
- Graduate School of Science and Engineering
- Yamaguchi University
- Ube Yamaguchi
- Japan
| | - Yuki Morita
- Graduate School of Science and Engineering
- Yamaguchi University
- Ube Yamaguchi
- Japan
| | - Hiroaki Okamoto
- Graduate School of Science and Engineering
- Yamaguchi University
- Ube Yamaguchi
- Japan
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31
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Silverman JR, Samateh M, John G. Functional self-assembled lipidic systems derived from renewable resources. EUR J LIPID SCI TECH 2016; 118:47-55. [PMID: 26766923 PMCID: PMC4707982 DOI: 10.1002/ejlt.201500198] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 08/21/2015] [Indexed: 11/10/2022]
Abstract
Self-assembled lipidic amphiphile systems can create a variety of multi-functional soft materials with value-added properties. When employing natural reagents and following biocatalytic syntheses, self-assembling monomers may be inherently designed for degradation, making them potential alternatives to conventional and persistent polymers. By using non-covalent forces, self-assembled amphiphiles can form nanotubes, fibers, and other stimuli responsive architectures prime for further applied research and incorporation into commercial products. By viewing these lipid derivatives under a lens of green principles, there is the hope that in developing a structure-function relationship and functional smart materials that research may remain safe, economic, and efficient.
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Affiliation(s)
- Julian R. Silverman
- Department of Chemistry and Center for Discovery and Innovation (CDI), The City College of New York, New York, NY
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY
| | - Malick Samateh
- Department of Chemistry and Center for Discovery and Innovation (CDI), The City College of New York, New York, NY
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY
| | - George John
- Department of Chemistry and Center for Discovery and Innovation (CDI), The City College of New York, New York, NY
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY
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32
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Krishnan BP, Mukherjee S, Aneesh PM, Namboothiry MAG, Sureshan KM. Semiconducting Fabrics by In Situ Topochemical Synthesis of Polydiacetylene: A New Dimension to the Use of Organogels. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201507475] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Baiju P. Krishnan
- School of Chemistry; Indian Institute of Science Education and Research Thiruvananthapuram; CET campus Thiruvananthapuram- 695016 India
| | - Somnath Mukherjee
- School of Chemistry; Indian Institute of Science Education and Research Thiruvananthapuram; CET campus Thiruvananthapuram- 695016 India
| | - Pacheri M. Aneesh
- School of Physics; Indian Institute of Science Education and Research Thiruvananthapuram; CET campus Thiruvananthapuram- 695016 India
| | - Manoj A. G. Namboothiry
- School of Physics; Indian Institute of Science Education and Research Thiruvananthapuram; CET campus Thiruvananthapuram- 695016 India
| | - Kana M. Sureshan
- School of Chemistry; Indian Institute of Science Education and Research Thiruvananthapuram; CET campus Thiruvananthapuram- 695016 India
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33
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Krishnan BP, Mukherjee S, Aneesh PM, Namboothiry MAG, Sureshan KM. Semiconducting Fabrics by In Situ Topochemical Synthesis of Polydiacetylene: A New Dimension to the Use of Organogels. Angew Chem Int Ed Engl 2015; 55:2345-9. [DOI: 10.1002/anie.201507475] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Indexed: 11/09/2022]
Affiliation(s)
- Baiju P. Krishnan
- School of Chemistry; Indian Institute of Science Education and Research Thiruvananthapuram; CET campus Thiruvananthapuram- 695016 India
| | - Somnath Mukherjee
- School of Chemistry; Indian Institute of Science Education and Research Thiruvananthapuram; CET campus Thiruvananthapuram- 695016 India
| | - Pacheri M. Aneesh
- School of Physics; Indian Institute of Science Education and Research Thiruvananthapuram; CET campus Thiruvananthapuram- 695016 India
| | - Manoj A. G. Namboothiry
- School of Physics; Indian Institute of Science Education and Research Thiruvananthapuram; CET campus Thiruvananthapuram- 695016 India
| | - Kana M. Sureshan
- School of Chemistry; Indian Institute of Science Education and Research Thiruvananthapuram; CET campus Thiruvananthapuram- 695016 India
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34
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Liu Y, Lei W, Chen T, Jin L, Sun G, Yin B. Poly(aryl ether) Dendrons with Monopyrrolotetrathiafulvalene Unit-Based Organogels exhibiting Gel-Induced Enhanced Emission (GIEE). Chemistry 2015; 21:15235-45. [DOI: 10.1002/chem.201502044] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Indexed: 01/06/2023]
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35
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Vidyasagar A, Sureshan KM. Stoichiometric Sensing to Opt between Gelation and Crystallization. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201506544] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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36
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Vidyasagar A, Sureshan KM. Stoichiometric Sensing to Opt between Gelation and Crystallization. Angew Chem Int Ed Engl 2015; 54:12078-82. [DOI: 10.1002/anie.201506544] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Indexed: 01/12/2023]
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37
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Adhikari B, Singh C, Shah A, Lough AJ, Kraatz H. Amino Acid Chirality and Ferrocene Conformation Guided Self‐Assembly and Gelation of Ferrocene–Peptide Conjugates. Chemistry 2015; 21:11560-72. [DOI: 10.1002/chem.201501395] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Indexed: 12/21/2022]
Affiliation(s)
- Bimalendu Adhikari
- Department of Physical and Environmental Sciences, University of Toronto, 1265 Military Trail, Toronto, M1C 1A4 (Canada)
| | - Charanpreet Singh
- Department of Physical and Environmental Sciences, University of Toronto, 1265 Military Trail, Toronto, M1C 1A4 (Canada)
| | - Afzal Shah
- Department of Physical and Environmental Sciences, University of Toronto, 1265 Military Trail, Toronto, M1C 1A4 (Canada)
- Present address: Department of Chemistry, Quaid‐i‐Azam University, 45320 (Pakistan)
| | - Alan J. Lough
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6 (Canada)
| | - Heinz‐Bernhard Kraatz
- Department of Physical and Environmental Sciences, University of Toronto, 1265 Military Trail, Toronto, M1C 1A4 (Canada)
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6 (Canada)
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38
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Guo P, Zhai S, Xiao Z, An Q. One-step fabrication of highly stable, superhydrophobic composites from controllable and low-cost PMHS/TEOS sols for efficient oil cleanup. J Colloid Interface Sci 2015; 446:155-62. [DOI: 10.1016/j.jcis.2015.01.062] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 01/21/2015] [Accepted: 01/22/2015] [Indexed: 11/24/2022]
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39
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Mandal SK, Brahmachari S, Das PK. In Situ Synthesised Silver Nanoparticle-InfusedL-Lysine-Based Injectable Hydrogel: Development of a Biocompatible, Antibacterial, Soft Nanocomposite. Chempluschem 2014. [DOI: 10.1002/cplu.201402269] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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40
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Shen H, Niu L, Fan K, Li J, Guan X, Song J. Application of solubility parameters in 1,3:2,4-bis(3,4-dimethylbenzylidene)sorbitol organogel in binary organic mixtures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:9176-9182. [PMID: 25019199 DOI: 10.1021/la5019532] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The gelation behavior of 1,3:2,4-bis(3,4-dimethylbenzylidene)sorbitol (DMDBS) in binary solvents has been systematically investigated. DMDBS is soluble in DMSO and insoluble in toluene (apolar) or 1-propanol (polar). When DMSO is added to a poor solvent at a certain volume fraction, DMDBS forms an organogel in the mixed solvent. With increasing DMSO content, the minimum gelation concentration increases and the gel-to-sol transition temperature decreases in both systems. However, compared with those in toluene-DMSO mixtures, the gelation ability and thermal stability are better in 1-propanol-DMSO mixtures. Scanning electron microscopy images reveal that the gelators aggregate to form three-dimensional networks. X-ray diffraction shows that the gel has a lamellar structure, which is different from the structure of the precipitate. Fourier transform infrared results reveal H-bonding is the main driving force for self-aggregation and indicate that stronger H-bonding interactions exist between gelators in 1-propanol-DMSO mixtures in contrast with toluene-DMSO mixtures. Attempts have been taken to correlate solvent parameters to gelation behavior in binary solvents. A Teas plot exhibits distinctly different solvent zones in the studied mixed solvents. The polar parameter (δp) indicates a narrow favorable domain for gel formation in the range of 1.64-7.99 MPa(1/2) for some apolar solvent-DMSO mixtures. The hydrogen-bonding parameter (δh) predicts that gelation occurs for values of 14.00-16.50 MPa(1/2) for some polar solvent-DMSO mixtures. The result may have potential applications in predicting the gelation behavior of 1,3:2,4-di-O-benzylidene-d-sorbitol derivatives in mixed solvents.
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Affiliation(s)
- Huahua Shen
- School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, China
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Mukherjee S, Kar T, Kumar Das P. Pyrene-Based Fluorescent Supramolecular Hydrogel: Scaffold for Energy Transfer. Chem Asian J 2014; 9:2798-805. [DOI: 10.1002/asia.201402358] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Revised: 05/22/2014] [Indexed: 12/23/2022]
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42
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Konda M, Maity I, Rasale DB, Das AK. A New Class of Phase-Selective Synthetic β-Amino Acid Based Peptide Gelator: From Mechanistic Aspects to Oil Spill Recovery. Chempluschem 2014. [DOI: 10.1002/cplu.201402120] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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43
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Schön EM, Marqués-López E, Herrera RP, Alemán C, Díaz Díaz D. Exploiting molecular self-assembly: from urea-based organocatalysts to multifunctional supramolecular gels. Chemistry 2014; 20:10720-31. [PMID: 24966127 DOI: 10.1002/chem.201402436] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2014] [Indexed: 11/08/2022]
Abstract
We describe the self-assembly properties of chiral N,N'-disubstituted urea-based organocatalyst 1 that leads to the formation of hierarchical supramolecular gels in organic solvents at low concentrations. The major driving forces for the gelation are hydrogen bonding and π-π interactions according to FTIR and (1)H NMR spectroscopy, as well as quantum-mechanical studies. The gelation scope could be interpreted based on Kamlet-Taft solvatochromic parameters. TEM, SEM, and AFM imaging revealed that a variety of morphologies including helical, laths, porous, and lamellar nanostructures could be obtained by varying the solvent. Experimental gelation tests and computational structural analysis of various structurally related compounds proved the existence of a unique set of molecular interactions and an optimal hydrophilic/hydrophobic balance in 1 that drive the formation of stable gels. Responses to thermal, mechanical, optical, and chemical stimuli, as well as multifunctionality were demonstrated in some model gel materials. Specifically, 1 could be used for the phase-selective gelation of organic solvent/water mixtures. The gel prepared in glycerol was found to be thixotropic and provided a sensitive colorimetric method for the detection of Ag(I) ions at millimolar concentrations in aqueous solution. Moreover, the gel matrix obtained in toluene served as a nanoreactor for the Friedel-Crafts alkylation of 1H-indole with trans-β-nitrostyrene.
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Affiliation(s)
- Eva-Maria Schön
- Institut für Organische Chemie, Universität Regensburg, Universitätsstr. 31, 93053 Regensburg (Germany)
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44
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Das UK, Banerjee S, Dastidar P. Remarkable Shape-Sustaining, Load-Bearing, and Self-Healing Properties Displayed by a Supramolecular Gel Derived from a Bis-pyridyl-bis-amide ofL-Phenyl Alanine. Chem Asian J 2014; 9:2475-82. [DOI: 10.1002/asia.201402053] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Revised: 04/18/2014] [Indexed: 11/06/2022]
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45
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Pan Y, Shi K, Peng C, Wang W, Liu Z, Ji X. Evaluation of hydrophobic polyvinyl-alcohol formaldehyde sponges as absorbents for oil spill. ACS APPLIED MATERIALS & INTERFACES 2014; 6:8651-8659. [PMID: 24797603 DOI: 10.1021/am5014634] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Macroporous materials are a class of absorbents used for oil spill cleanup. In this article, novel macroporous and hydrophobic polyvinyl formaldehyde (PVF-H) sponges were prepared by the reaction of stearoyl chloride with hydroxyl groups of hydrophilic PVF sponge at different temperatures. Attenuated total reflectance-infrared (ATR-IR) spectroscopy confirmed the successfully anchoring of hydrophobic stearoyl groups on the PVF networks. Scanning electron microscopy (SEM) images demonstrated that the as-prepared PVF-H had interconnected open-cell structures, and mercury intrusion porosimetry indicated that the average pore size ranged from 60 to 90 μm and porosity was greater than 94.8%. Such PVF-H sponges can absorb oil products effectively, such as toluene, n-hexane, kerosene, soybean oil, hydraulic oil, and crude oil up to 13.7 g·g(-1) to 56.6 g·g(-1), and this level of absorption was approximately 2-4 times higher than that absorbed by commercial polypropylene nonwoven mat. In low-viscosity oils, the samples can reach the saturated absorption amount only in 1 min, but in higher-viscosity oils, absorption equilibrium can be reached in 10 min. In a simulated oil slick system, these macroporous and hydrophobic sponges can still maintain high oil absorption capacities within the range of 14.4 g·g(-1) to 57.6 g·g(-1), whereas a relatively low absorption rate (approximately 20 min) indicated high absorption performance and excellent selectivity in the oil-water mixture. In addition, the absorbed oils were collected effectively only through a simple squeeze. The PVF-H sponges were subjected to 35 absorption-squeeze cycles and exhibited good reusability and 90% recovery for oils. The samples prepared at different temperatures differed in their absorption capacities to some extent. However, this new kind of macroporous and PVF-H sponges had excellent absorption performance on oil products.
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Affiliation(s)
- Yanxiong Pan
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
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46
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Shear rate and cooling modeling for the study of candelilla wax organogels’ rheological properties. J FOOD ENG 2013. [DOI: 10.1016/j.jfoodeng.2013.06.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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47
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Afrasiabi R, Kraatz HB. Small-Peptide-Based Organogel Kit: Towards the Development of Multicomponent Self-Sorting Organogels. Chemistry 2013; 19:15862-71. [DOI: 10.1002/chem.201303116] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Indexed: 11/06/2022]
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48
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Mandal SK, Kar T, Das PK. Pristine Carbon-Nanotube-Included Supramolecular Hydrogels with Tunable Viscoelastic Properties. Chemistry 2013; 19:12486-96. [DOI: 10.1002/chem.201300302] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2013] [Revised: 06/07/2013] [Indexed: 12/23/2022]
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49
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Datta S, Samanta SK, Bhattacharya S. Induction of Supramolecular Chirality in the Self-Assemblies of Lipophilic Pyrimidine Derivatives by Choice of the Amino Acid-Based Chiral Spacer. Chemistry 2013; 19:11364-73. [DOI: 10.1002/chem.201300605] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2013] [Indexed: 11/11/2022]
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50
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Solvent-induced molecular gel formation at room temperature and the preparation of related gel-emulsions. Sci China Chem 2013. [DOI: 10.1007/s11426-013-4869-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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