99901
|
Thomas J, Sharma A, Panwar V, Chopra V, Ghosh D. Polysaccharide-Based Hybrid Self-Healing Hydrogel Supports the Paracrine Response of Mesenchymal Stem Cells. ACS APPLIED BIO MATERIALS 2019; 2:2013-2027. [DOI: 10.1021/acsabm.9b00074] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Jijo Thomas
- Institute of Nano Science and Technology, Habitat Centre, Phase 10, Mohali, Punjab 160062, India
| | - Anjana Sharma
- Institute of Nano Science and Technology, Habitat Centre, Phase 10, Mohali, Punjab 160062, India
| | - Vineeta Panwar
- Institute of Nano Science and Technology, Habitat Centre, Phase 10, Mohali, Punjab 160062, India
| | - Vianni Chopra
- Institute of Nano Science and Technology, Habitat Centre, Phase 10, Mohali, Punjab 160062, India
| | - Deepa Ghosh
- Institute of Nano Science and Technology, Habitat Centre, Phase 10, Mohali, Punjab 160062, India
| |
Collapse
|
99902
|
Tassler S, Dobner B, Lampp L, Ziółkowski R, Malinowska E, Wölk C, Brezesinski G. DNA Delivery Systems Based on Peptide-Mimicking Cationic Lipids-The Effect of the Co-Lipid on the Structure and DNA Binding Capacity. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:4613-4625. [PMID: 30840475 PMCID: PMC6727600 DOI: 10.1021/acs.langmuir.8b04139] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 02/27/2019] [Indexed: 06/09/2023]
Abstract
In continuation of previous work, we present a new promising DNA carrier, OO4, a highly effective peptide-mimicking lysine-based cationic lipid. The structural characteristics of the polynucleotide carrier system OO4 mixed with the commonly used co-lipid DOPE and the saturated phospholipid DPPE have been studied in two-dimensional and three-dimensional model systems to understand their influence on the physical-chemical properties. The phase behavior of pure OO4 and its mixtures with DOPE and DPPE was studied at the air-water interface using a Langmuir film balance combined with infrared reflection-absorption spectroscopy. In bulk, the self-assembling structures in the presence and absence of DNA were determined by small-angle and wide-angle X-ray scattering. The amount of adsorbed DNA to cationic lipid bilayers was measured using a quartz crystal microbalance. The choice of the co-lipid has an enormous influence on the structure and capability of binding DNA. DOPE promotes the formation of nonlamellar lipoplexes (cubic and hexagonal structures), whereas DPPE promotes the formation of lamellar lipoplexes. The correlation of the observed structures with the transfection efficiency and serum stability indicates that OO4/DOPE 1:3 lipoplexes with a DNA-containing cubic phase encapsulated in multilamellar structures seem to be most promising.
Collapse
Affiliation(s)
- Stephanie Tassler
- Max
Planck Institute of Colloids and Interfaces, Science Park Potsdam-Golm, Am Mühlenberg
1, 14476 Potsdam, Germany
| | - Bodo Dobner
- Institute
of Pharmacy, Martin-Luther-University (MLU)
Halle-Wittenberg, Wolfgang-Langenbeck-Straße
4, 06120 Halle (Saale), Germany
| | - Lisa Lampp
- Institute
of Pharmacy, Martin-Luther-University (MLU)
Halle-Wittenberg, Wolfgang-Langenbeck-Straße
4, 06120 Halle (Saale), Germany
| | - Robert Ziółkowski
- Faculty
of Chemistry, Department of Microbioanalytics, The Chair of Medical
Biotechnology, Warsaw University of Technology, ul. Noakowskiego 3, 00-664 Warszawa, Poland
| | - Elżbieta Malinowska
- Faculty
of Chemistry, Department of Microbioanalytics, The Chair of Medical
Biotechnology, Warsaw University of Technology, ul. Noakowskiego 3, 00-664 Warszawa, Poland
| | - Christian Wölk
- Institute
of Pharmacy, Martin-Luther-University (MLU)
Halle-Wittenberg, Wolfgang-Langenbeck-Straße
4, 06120 Halle (Saale), Germany
| | - Gerald Brezesinski
- Max
Planck Institute of Colloids and Interfaces, Science Park Potsdam-Golm, Am Mühlenberg
1, 14476 Potsdam, Germany
| |
Collapse
|
99903
|
Liu P, Qian L, Wang H, Zhan X, Lu K, Gu C, Gao S. New Insights into the Aging Behavior of Microplastics Accelerated by Advanced Oxidation Processes. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:3579-3588. [PMID: 30829479 DOI: 10.1021/acs.est.9b00493] [Citation(s) in RCA: 420] [Impact Index Per Article: 84.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
In the environment, microplastics are subjected to multiple aging processes; however, information regarding the impact of aging on the environmental behavior of microplastics is still lacking. This study investigated the alteration properties of polystyrene and high-density polyethylene microplastics by heat-activated K2S2O8 and Fenton treatments to improve the understanding of their long-term natural aging in aquatic environments. Our results indicated that the O/C ratio was an alternative parameter to the carbonyl index (CI) to quantitatively describe the surface alteration properties of microplastics. The correlation model of the O/C ratio or CI versus alteration time was developed and compared by natural alteration of microplastics in freshwater samples. Moreover, the regression equation of the equilibrium adsorption capacity of altered microplastics versus the O/C ratio and average size was proposed. This study is the first effort in differentiating the relationships between the alteration properties and alteration time/adsorption capacity of microplastics, which would be helpful for predicting the weathering degree and accumulation of hydrophilic antibiotics onto aged microplastics in aquatic environments. This research develops promising strategies to accelerate the aging reactions using advanced oxidation processes, which would provide further information to assess the microplastic pollution in actual environments.
Collapse
Affiliation(s)
- Peng Liu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Li Qian
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Hanyu Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Xin Zhan
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Kun Lu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Cheng Gu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Shixiang Gao
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| |
Collapse
|
99904
|
Ram R, Khastgir D, Rahaman M. Electromagnetic interference shielding effectiveness and skin depth of poly(vinylidene fluoride)/particulate nano‐carbon filler composites: prediction of electrical conductivity and percolation threshold. POLYM INT 2019. [DOI: 10.1002/pi.5812] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Ranvijai Ram
- Rubber Technology CentreIndian Institute of Technology Kharagpur Kharagpur India
- Department of Chemistry, Maharaja Agrasen CollegeUniversity of Delhi New Delhi India
| | - Dipak Khastgir
- Rubber Technology CentreIndian Institute of Technology Kharagpur Kharagpur India
| | - Mostafizur Rahaman
- Department of Chemistry, College of ScienceKing Saud University Riyadh Saudi Arabia
| |
Collapse
|
99905
|
Wang Y, Gu L, Xu F, Xin F, Ma J, Jiang M, Fang Y. Chemoenzymatic Synthesis of Branched Glycopolymer Brushes as the Artificial Glycocalyx for Lectin Specific Binding. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:4445-4452. [PMID: 30845797 DOI: 10.1021/acs.langmuir.8b03704] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The artificial glycocalyx fabricated by carbohydrates is of interest because it provides a platform to simulate the cell membranes that widely exist in the nature, and thus enable extensive applications to be implantable in bioengineering. Here, we present a green strategy combining two polymerization techniques, surface-initiated atom transfer radical polymerization (SI-ATRP) and enzyme-catalyzed elongation of polysaccharide, for fabricating densely packed branched glycopolymer brushes on the gold surface as the artificial glycocalyx. In this strategy, SI-ATRP is first performed to graft a linear polymer chain for anchoring maltose, which can be used as an enzyme acceptor for dextransucrase (DSase). Under DSase, a branched polysaccharide is efficiently formed through elongation of a sucrose substrate. Undoubtedly, enzymatic transglycosylation has unique advantages, such as being green, regio-, and stereo-selective, etc. The process of DSase-catalyzed polysaccharide is well monitored by a quartz crystal microbalance, and the grafting density of the glycopolymer brushes is estimated to be 0.7 chain nm-2 with 23.0 nm dry thickness. The polysaccharide brushes display a branched structure consisting of α-d-glucose residues with 5% of α-1,3-linked shorter chain branches, and the branched structure is well characterized by X-ray photoelectron spectroscopy, time-of-flight secondary ion mass spectrometry, Fourier transform infrared/mirror reflection, water contact angle analysis, and atomic force microscopy. Compared with the linear maltose-anchored brushes, the branched glycopolymer analog prepared here shows high specific binding capacity of concanavalin A recognition, which should be of use in biomedical application.
Collapse
|
99906
|
Yan CN, Liu Q, Xu L, Bai LP, Wang LP, Li G. Photoinduced Metal-Free Surface Initiated ATRP from Hollow Spheres Surface. Polymers (Basel) 2019; 11:E599. [PMID: 30960585 PMCID: PMC6523302 DOI: 10.3390/polym11040599] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 03/26/2019] [Indexed: 12/31/2022] Open
Abstract
Well-defined amphiphilic diblock copolymer poly (methyl methacrylate)-b-poly (N-isopropylacrylamide) grafted hollow spheres (HS-g-PMMA-b-PNIPAM) hybrid materials were synthesized via metal-free surface-initiated atom transfer radical polymerization (SI-ATRP). The ATRP initiators α-Bromoisobutyryl bromide (BIBB) were attached onto hollow sphere surfaces through esterification of acyl bromide groups and hydroxyl groups. The synthetic ATRP initiators (HS-Br) were further used for the metal-free SI-ATRP of methyl methacrylate (MMA) and N-isopropyl acrylamide (NIPAM) using 10-phenylphenothiazine (PTH) as the photocatalyst. The molecular weight of the polymers, structure, morphology, and thermal stability of the hybrid materials were characterized via gel permeation chromatography (GPC), X-ray photoelectron spectroscopy (XPS), ¹H-nuclear magnetic resonance spectroscopy (¹H NMR), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR), and thermogravimetric analysis (TGA), respectively. The results indicated that the ATRP initiator had been immobilized onto HS surfaces successfully followed by metal-free SI-ATRP of MMA and NIPAM, the Br atom had located at the end of the main PMMA polymer chain, and the polymerization process possessed the characteristic of controlled/"living" polymerization. The thermal stability of the hybrid materials was increased significantly compared to the pure PMMA and PNIPAM.
Collapse
Affiliation(s)
- Chun-Na Yan
- College of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China.
| | - Qian Liu
- College of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China.
| | - Lin Xu
- College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China.
| | - Li-Ping Bai
- College of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China.
| | - Li-Ping Wang
- College of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China.
| | - Guang Li
- College of Materials Science and Engineering, Liaocheng University, Liaocheng 252059, China.
| |
Collapse
|
99907
|
Zhang H, Zhou T, Yu Q, Yang Z, Sun Y, Cai Z, Cang H. pH-Sensitive betulinic acid polymer prodrug nanoparticles for efficient and targeted cancer cells treatment. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2019.1596916] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Huaihong Zhang
- School of Chemistry and Biology, Yancheng Institute of Technology, Yancheng, China
| | - Tao Zhou
- School of Chemistry and Biology, Yancheng Institute of Technology, Yancheng, China
| | - Qing Yu
- School of Chemistry and Biology, Yancheng Institute of Technology, Yancheng, China
| | - Zhenqing Yang
- School of Chemistry and Biology, Yancheng Institute of Technology, Yancheng, China
| | - Yu Sun
- College of Chemistry and Chemical Engineering, Southeast University, Nanjing, China
| | - Zhaosheng Cai
- School of Chemistry and Biology, Yancheng Institute of Technology, Yancheng, China
| | - Hui Cang
- School of Chemistry and Biology, Yancheng Institute of Technology, Yancheng, China
| |
Collapse
|
99908
|
Smith CA, Narouz MR, Lummis PA, Singh I, Nazemi A, Li CH, Crudden CM. N-Heterocyclic Carbenes in Materials Chemistry. Chem Rev 2019; 119:4986-5056. [PMID: 30938514 DOI: 10.1021/acs.chemrev.8b00514] [Citation(s) in RCA: 353] [Impact Index Per Article: 70.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
N-Heterocyclic carbenes (NHCs) have become one of the most widely studied class of ligands in molecular chemistry and have found applications in fields as varied as catalysis, the stabilization of reactive molecular fragments, and biochemistry. More recently, NHCs have found applications in materials chemistry and have allowed for the functionalization of surfaces, polymers, nanoparticles, and discrete, well-defined clusters. In this review, we provide an in-depth look at recent advances in the use of NHCs for the development of functional materials.
Collapse
Affiliation(s)
- Christene A Smith
- Department of Chemistry , Queen's University , 90 Bader Lane , Kingston , Ontario , Canada , K7L 3N6
| | - Mina R Narouz
- Department of Chemistry , Queen's University , 90 Bader Lane , Kingston , Ontario , Canada , K7L 3N6
| | - Paul A Lummis
- Department of Chemistry , Queen's University , 90 Bader Lane , Kingston , Ontario , Canada , K7L 3N6
| | - Ishwar Singh
- Department of Chemistry , Queen's University , 90 Bader Lane , Kingston , Ontario , Canada , K7L 3N6
| | - Ali Nazemi
- Department of Chemistry , Queen's University , 90 Bader Lane , Kingston , Ontario , Canada , K7L 3N6
| | - Chien-Hung Li
- Department of Chemistry , Queen's University , 90 Bader Lane , Kingston , Ontario , Canada , K7L 3N6
| | - Cathleen M Crudden
- Department of Chemistry , Queen's University , 90 Bader Lane , Kingston , Ontario , Canada , K7L 3N6.,Institute of Transformative Bio-Molecules, ITbM-WPI , Nagoya University , Nagoya , Chikusa 464-8601 , Japan
| |
Collapse
|
99909
|
Hydrophobic poly(3,4-ethylenedioxythiophene) particles synthesized by aqueous oxidative coupling polymerization and their use as near-infrared-responsive liquid marble stabilizer. Polym J 2019. [DOI: 10.1038/s41428-019-0189-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
99910
|
Liu J, Ye L, Zhao X. Preparation of long‐chain branched poly(ethylene terephthalate): Molecular entanglement structure and toughening mechanism. POLYM ENG SCI 2019. [DOI: 10.1002/pen.25099] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Juan Liu
- State Key Laboratory of Polymer Materials EngineeringPolymer Research Institute of Sichuan University Chengdu China
| | - Lin Ye
- State Key Laboratory of Polymer Materials EngineeringPolymer Research Institute of Sichuan University Chengdu China
| | - Xiaowen Zhao
- State Key Laboratory of Polymer Materials EngineeringPolymer Research Institute of Sichuan University Chengdu China
| |
Collapse
|
99911
|
Du X, Wu L, Yan H, Qu L, Wang L, Wang X, Ren S, Kong D, Wang L. Multifunctional Hydrogel Patch with Toughness, Tissue Adhesiveness, and Antibacterial Activity for Sutureless Wound Closure. ACS Biomater Sci Eng 2019; 5:2610-2620. [DOI: 10.1021/acsbiomaterials.9b00130] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xinchen Du
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Le Wu
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Hongyu Yan
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Lijie Qu
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Lina Wang
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Xin Wang
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Shuo Ren
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Deling Kong
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Lianyong Wang
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| |
Collapse
|
99912
|
Patel DK, Seo YR, Lim KT. Stimuli-Responsive Graphene Nanohybrids for Biomedical Applications. Stem Cells Int 2019; 2019:9831853. [PMID: 31065286 PMCID: PMC6466862 DOI: 10.1155/2019/9831853] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 12/14/2018] [Accepted: 01/17/2019] [Indexed: 12/14/2022] Open
Abstract
Stimuli-responsive materials, also known as smart materials, can change their structure and, consequently, original behavior in response to external or internal stimuli. This is due to the change in the interactions between the various functional groups. Graphene, which is a single layer of carbon atoms with a hexagonal morphology and has excellent physiochemical properties with a high surface area, is frequently used in materials science for various applications. Numerous surface functionalizations are possible for the graphene structure with different functional groups, which can be used to alter the properties of native materials. Graphene-based hybrids exhibit significant improvements in their native properties. Since functionalized graphene contains several reactive groups, the behavior of such hybrid materials can be easily tuned by changing the external conditions, which is very useful in biomedical applications. Enhanced cell proliferation and differentiation of stem cells was reported on the surfaces of graphene-based hybrids with negligible cytotoxicity. In addition, pH or light-induced drug delivery with a controlled release rate was observed for such nanohybrids. Besides, notable improvements in antimicrobial activity were observed for nanohybrids, which demonstrated their potential for biomedical applications. This review describes the physiochemical properties of graphene and graphene-based hybrid materials for stimuli-responsive drug delivery, tissue engineering, and antimicrobial applications.
Collapse
Affiliation(s)
- Dinesh K. Patel
- The Institute of Forest Science, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Yu-Ri Seo
- Department of Biosystems Engineering, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Ki-Taek Lim
- The Institute of Forest Science, Kangwon National University, Chuncheon 24341, Republic of Korea
- Department of Biosystems Engineering, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea
| |
Collapse
|
99913
|
Kanto R, Qiao Y, Masuko K, Furusawa H, Yano S, Nakabayashi K, Mori H. Synthesis, Assembled Structures, and DNA Complexation of Thermoresponsive Lysine-Based Zwitterionic and Cationic Block Copolymers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:4646-4659. [PMID: 30845801 DOI: 10.1021/acs.langmuir.8b04303] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A series of anionic, zwitterionic, and cationic lysine-based block copolymers with a thermoresponsive segment were synthesized by the reversible addition-fragmentation chain transfer (RAFT) polymerization of N-acryloyl- N-carbobenzoxy-l-lysine [A-Lys(Cbz)-OH], which contains a carboxylic acid and a protected amine-functionality in the monomer unit. Carboxylic acid-containing homopolymers, poly(A-Lys(Cbz)-OH), with predetermined molecular weights with relatively low polydispersities were initially synthesized by RAFT polymerization of A-Lys(Cbz)-OH. The chain extension of the dithiocarbamate-terminated poly(A-Lys(Cbz)-OH) to N-isopropylacrylamide (NIPAM) via the RAFT process and subsequent deprotection afforded the zwitterionic block copolymer composed of thermoresponsive poly(NIPAM) and poly(A-Lys-OH), which exhibited switchability among the zwitterionic, anionic, and cationic states by pH change. The assembled structures and thermoresponsive and chiroptical properties of these block copolymers were evaluated by dynamic light scattering, circular dichroism, and turbidity measurements. Finally, the cationic block copolymer, poly(A-Lys-OMe)- b-poly(NIPAM), was obtained by the methylation of the carboxylic acid group in the zwitterionic poly(A-Lys-OH) segment. Selective interactions of DNA with the cationic poly(A-Lys-OMe) segment in the lysine-based block copolymer were further evaluated by agarose gel electrophoresis and atomic force microscopy measurements, which revealed characteristic assembled structures and temperature-responsive properties of the polyplexes.
Collapse
|
99914
|
Zhmakin V, Shalygin M, Khotimskiy V, Matson S, Teplyakov V. Non-additive separation selectivity enhancement in poly(4-methyl-2-pentyne) in relation to C1-C4-alkanes. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2018.11.086] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
99915
|
Urbánek P, Kuřitka I, Ševčík J, Toušková J, Toušek J, Nádaždy V, Nádaždy P, Végsö K, Šiffalovič P, Rutsch R, Urbánek M. An experimental and theoretical study of the structural ordering of the PTB7 polymer at a mesoscopic scale. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.02.048] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
99916
|
Meabe L, Huynh TV, Mantione D, Porcarelli L, Li C, O'Dell LA, Sardon H, Armand M, Forsyth M, Mecerreyes D. UV-cross-linked poly(ethylene oxide carbonate) as free standing solid polymer electrolyte for lithium batteries. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.02.058] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
99917
|
Mathis CH, Simič R, Kang C, Ramakrishna SN, Isa L, Spencer ND. Indenting polymer brushes of varying grafting density in a viscous fluid: A gradient approach to understanding fluid confinement. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.02.040] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
99918
|
Khdhayyer M, Bushell AF, Budd PM, Attfield MP, Jiang D, Burrows AD, Esposito E, Bernardo P, Monteleone M, Fuoco A, Clarizia G, Bazzarelli F, Gordano A, Jansen JC. Mixed matrix membranes based on MIL-101 metal–organic frameworks in polymer of intrinsic microporosity PIM-1. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2018.11.055] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
99919
|
Influence of integrating graphene oxide quantum dots on the fine structure characterization and alcohol dehydration performance of pervaporation composite membrane. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.01.019] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
|
99920
|
Robust, highly porous hydrogels templated within emulsions stabilized using a reactive, crosslinking triblock copolymer. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.02.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
99921
|
Kyrey T, Witte J, Pipich V, Feoktystov A, Koutsioubas A, Vezhlev E, Frielinghaus H, von Klitzing R, Wellert S, Holderer O. Influence of the cross-linker content on adsorbed functionalised microgel coatings. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.02.037] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
99922
|
|
99923
|
Zou Y, Yang X, Scholten E. Tuning particle properties to control rheological behavior of high internal phase emulsion gels stabilized by zein/tannic acid complex particles. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2018.10.037] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
99924
|
Unique self-catalyzed cationic ring-opening polymerization of a high performance deoxybenzoin-based 1,3-benzoxazine monomer. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.01.089] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
99925
|
Synthesis, characterisation, solvatochromic behaviour and thermal decomposition kinetics of novel polyazo dyes containing amide group and their transition metal complexes. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.12.102] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
99926
|
Oil recovery performance of a modified HAPAM with lower hydrophobicity, higher molecular weight: A comparative study with conventional HAPAM, HPAM. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2018.12.030] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
99927
|
Light-Emitting Porphyrin Derivative Obtained from a Subproduct of the Cashew Nut Shell Liquid: A Promising Material for OLED Applications. MATERIALS 2019; 12:ma12071063. [PMID: 30939723 PMCID: PMC6479845 DOI: 10.3390/ma12071063] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 03/19/2019] [Accepted: 03/26/2019] [Indexed: 11/17/2022]
Abstract
In this work, the meso-tetra[4-(2-(3-n-pentadecylphenoxy)ethoxy]phenylporphyrin (H2P), obtained from the cashew nut shell liquid (CNSL), and its zinc (ZnP) and copper (CuP) metallic complexes, were applied as emitting layers in organic light emitting diodes (OLEDs). These compounds were characterized via optical and electrochemical analysis and the electroluminescent properties of the device have been studied. We performed a cyclic voltammetry analysis to determine the Highest Occupied Molecular Orbital (HOMO) and Lowest Unoccupied Molecular Orbital (LUMO) energy levels for the porphyrins, in order to select the proper materials to assemble the device. H2P and ZnP presented fluorescence emission band in the red region, from 601 nm to 718 nm. Moreover, we verified that the introduction of bulky substituents hinders the π–π stacking, favoring the emission in the film. In addition, the strongest emitter, ZnP, presented a threshold voltage of 4 V and the maximum irradiance of 10 μW cm−2 with a current density (J) of 15 mA cm−2 at 10 V. The CuP complex showed to be a favorable material for the design of OLEDs in the infrared. These results suggest that the porphyrins derived from a renewable source, such as CNSL, is a promising material to be used in organic optoelectronic devices such as OLEDs.
Collapse
|
99928
|
Haler JRN, Massonnet P, Far J, de la Rosa VR, Lecomte P, Hoogenboom R, Jérôme C, De Pauw E. Gas-Phase Dynamics of Collision Induced Unfolding, Collision Induced Dissociation, and Electron Transfer Dissociation-Activated Polymer Ions. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2019; 30:563-572. [PMID: 30523570 DOI: 10.1007/s13361-018-2115-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 11/24/2018] [Accepted: 11/24/2018] [Indexed: 06/09/2023]
Abstract
Polymer characterizations are often performed using mass spectrometry (MS). Aside from MS and different tandem MS (MS/MS) techniques, ion mobility-mass spectrometry (IM-MS) has been recently added to the inventory of characterization technique. However, only few studies have focused on the reproducibility and robustness of polymer IM-MS analyses. Here, we perform collisional and electron-mediated activation of polymer ions before measuring IM drift times, collision cross-sections (CCS), or reduced ion mobilities (K0). The resulting IM behavior of different activated product ions is then compared to non-activated native intact polymer ions. First, we analyzed collision induced unfolding (CIU) of precursor ions to test the robustness of polymer ion shapes. Then, we focused on fragmentation product ions to test for shape retentions from the precursor ions: cation ejection species (CES) and product ions with m/z and charge state values identical to native intact polymer ions. The CES species are formed using both collision induced dissociation (CID) and electron transfer dissociation (ETD, formally ETnoD) experiments. Only small drift time, CCS, or K0 deviations between the activated/formed ions are observed compared to the native intact polymer ions. The polymer ion shapes seem to depend solely on their mass and charge state. The experiments were performed on three synthetic homopolymers: poly(ethoxy phosphate) (PEtP), poly(2-n-propyl-2-oxazoline) (Pn-PrOx), and poly(ethylene oxide) (PEO). These results confirm the robustness of polymer ion CCSs for IM calibration, especially singly charged polymer ions. The results are also discussed in the context of polymer analyses, CCS predictions, and probing ion-drift gas interaction potentials. Graphical Abstract.
Collapse
Affiliation(s)
- Jean R N Haler
- Mass Spectrometry Laboratory, MolSys Research unit, Quartier Agora, University of Liège, Allée du Six Aout 11, B-4000, Liège, Belgium.
| | - Philippe Massonnet
- Mass Spectrometry Laboratory, MolSys Research unit, Quartier Agora, University of Liège, Allée du Six Aout 11, B-4000, Liège, Belgium
| | - Johann Far
- Mass Spectrometry Laboratory, MolSys Research unit, Quartier Agora, University of Liège, Allée du Six Aout 11, B-4000, Liège, Belgium
| | - Victor R de la Rosa
- Supramolecular Chemistry Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4, B-9000, Ghent, Belgium
| | - Philippe Lecomte
- Center for Education and Research on Macromolecules, CESAM Research Unit, Quartier Agora, University of Liège, Allée du Six Aout 13, B-4000, Liège, Belgium
| | - Richard Hoogenboom
- Supramolecular Chemistry Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4, B-9000, Ghent, Belgium
| | - Christine Jérôme
- Center for Education and Research on Macromolecules, CESAM Research Unit, Quartier Agora, University of Liège, Allée du Six Aout 13, B-4000, Liège, Belgium
| | - Edwin De Pauw
- Mass Spectrometry Laboratory, MolSys Research unit, Quartier Agora, University of Liège, Allée du Six Aout 11, B-4000, Liège, Belgium
| |
Collapse
|
99929
|
Lázaro-Lázaro E, Perera-Burgos JA, Laermann P, Sentjabrskaja T, Pérez-Ángel G, Laurati M, Egelhaaf SU, Medina-Noyola M, Voigtmann T, Castañeda-Priego R, Elizondo-Aguilera LF. Glassy dynamics in asymmetric binary mixtures of hard spheres. Phys Rev E 2019; 99:042603. [PMID: 31108620 DOI: 10.1103/physreve.99.042603] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Indexed: 06/09/2023]
Abstract
We perform a systematic and detailed study of the glass transition in highly asymmetric binary mixtures of colloidal hard spheres, combining differential dynamic microscopy experiments, event-driven molecular dynamics simulations, and theoretical calculations, exploring the whole state diagram and determining the self-dynamics and collective dynamics of both species. Two distinct glassy states involving different dynamical arrest transitions are consistently described, namely, a double glass with the simultaneous arrest of the self-dynamics and collective dynamics of both species, and a single glass of large particles in which the self-dynamics of the small species remains ergodic. In the single-glass scenario, spatial modulations in the collective dynamics of both species occur due to the structure of the large spheres, a feature not observed in the double-glass domain. The theoretical results, obtained within the self-consistent generalized Langevin equation formalism, are in agreement with both simulations and experimental data, thus providing a stringent validation of this theoretical framework in the description of dynamical arrest in highly asymmetric mixtures. Our findings are summarized in a state diagram that classifies the various amorphous states of highly asymmetric mixtures by their dynamical arrest mechanisms.
Collapse
Affiliation(s)
- Edilio Lázaro-Lázaro
- Instituto de Física Manuel Sandoval Vallarta, Universidad Autónoma de San Luis Potosí, Alvaro Obregón 64, 78000 San Luis Potosí, San Luis Potosí, Mexico
| | - Jorge Adrián Perera-Burgos
- CONACYT-Unidad de Ciencias del Agua, Centro de Investigación Científica de Yucatán A.C. (CICY), Calle 8, No. 39, Mz. 29, S.M. 64, 77524 Cancún, Quintana Roo, Mexico
| | - Patrick Laermann
- Condensed Matter Physics Laboratory, Heinrich Heine University, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Tatjana Sentjabrskaja
- Condensed Matter Physics Laboratory, Heinrich Heine University, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Gabriel Pérez-Ángel
- Departamento de Física Aplicada, Cinvestav, Unidad Mérida, Apartado Postal 73 Cordemex, 97310 Mérida, Yucatán, Mexico
| | - Marco Laurati
- Condensed Matter Physics Laboratory, Heinrich Heine University, Universitätsstraße 1, 40225 Düsseldorf, Germany
- Departamento de Ingeniería Física, División de Ciencias e Ingenierías, Universidad de Guanajuato, Loma del Bosque 103, 37150 León, Mexico
| | - Stefan U Egelhaaf
- Condensed Matter Physics Laboratory, Heinrich Heine University, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Magdaleno Medina-Noyola
- Instituto de Física Manuel Sandoval Vallarta, Universidad Autónoma de San Luis Potosí, Alvaro Obregón 64, 78000 San Luis Potosí, San Luis Potosí, Mexico
- Departamento de Ingeniería Física, División de Ciencias e Ingenierías, Universidad de Guanajuato, Loma del Bosque 103, 37150 León, Mexico
| | - Thomas Voigtmann
- Department of Physics, Heinrich Heine University, Universitätsstraße 1, 40225 Düsseldorf, Germany
- Institut für Materialphysik im Weltraum, Deutsches Zentrum für Luft-und Raumfahrt (DLR), Linder Höhe 51170, Köln, Germany
| | - Ramón Castañeda-Priego
- Departamento de Ingeniería Física, División de Ciencias e Ingenierías, Universidad de Guanajuato, Loma del Bosque 103, 37150 León, Mexico
| | | |
Collapse
|
99930
|
Ozaki M, Norisuye T, Nakanishi H, Tran-Cong-Miyata Q. Structures and dynamics of carbon-black in suspension probed by static and dynamic ultrasound scattering techniques. ULTRASONICS 2019; 94:192-201. [PMID: 30301551 DOI: 10.1016/j.ultras.2018.09.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 09/24/2018] [Accepted: 09/24/2018] [Indexed: 06/08/2023]
Abstract
Carbon black (CB) suspension exhibits various structures depending on the properties of solvent and dispersant as well as the preparation process of suspension. In most cases, CB particles do not exist as independent nanoparticles but as aggregates or agglomerates. In order to evaluate the size distribution at different level of hierarchal structure, we carried out static/dynamic ultrasound scattering analysis for the CB suspensions in alcohol and/or water with or without Nafion, a perfluorinated polymer. The potential of the dynamic ultrasound scattering technique was demonstrated by discriminating diffusing nanoparticles and micron-sized aggregates/agglomerates without dilution of the sample. Particularly, suppression of large agglomerates by addition of Nafion was clearly observed. Phosphotungstic acid (PWA), a family of polyoxometalate, was also employed to obtain smaller unit structures of the CB particles without formation of aggregation after decomposition of CB. The possible structures of the CB/PWA suspensions with and without Nafion were also discussed.
Collapse
Affiliation(s)
- Motoki Ozaki
- Department of Macromolecular Science and Engineering, Graduate School of Science & Technology, Kyoto Institute of Technology Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Tomohisa Norisuye
- Department of Macromolecular Science and Engineering, Graduate School of Science & Technology, Kyoto Institute of Technology Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
| | - Hideyuki Nakanishi
- Department of Macromolecular Science and Engineering, Graduate School of Science & Technology, Kyoto Institute of Technology Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Qui Tran-Cong-Miyata
- Department of Macromolecular Science and Engineering, Graduate School of Science & Technology, Kyoto Institute of Technology Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| |
Collapse
|
99931
|
|
99932
|
Direction Dependent Electrical Conductivity of Polymer/Carbon Filler Composites. Polymers (Basel) 2019; 11:polym11040591. [PMID: 30960575 PMCID: PMC6523830 DOI: 10.3390/polym11040591] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 03/14/2019] [Accepted: 03/21/2019] [Indexed: 11/24/2022] Open
Abstract
The method of measuring electrical volume resistivity in different directions was applied to characterize the filler orientation in melt mixed polymer composites containing different carbon fillers. For this purpose, various kinds of fillers with different geometries and aspect ratios were selected, namely carbon black (CB), graphite (G) and expanded graphite (EG), branched multiwalled carbon nanotubes (b-MWCNTs), non-branched multiwalled carbon nanotubes (MWCNTs), and single-walled carbon nanotubes (SWCNTs). As it is well known that the shaping process also plays an important role in the achieved electrical properties, this study compares results for compression molded plates with random filler orientations in the plane as well as extruded films, which have, moreover, conductivity differences between extrusion direction and perpendicular to the plane. Additionally, the polymer matrix type (poly (vinylidene fluoride) (PVDF), acrylonitrile butadiene styrene (ABS), polyamide 6 (PA6)) and filler concentration were varied. For the electrical measurements, a device able to measure the electrical conductivity in two directions was developed and constructed. The filler orientation was analyzed using the ratio σin/th calculated as in-plane conductivity σin-plane (σin) divided by through-plane conductivity σthrough-plane (σth). The ratio σin/th is expected to increase with more pronounced filler orientation in the processing direction. In the extruded films, alignment within the plane was assigned by dividing the in-plane conductivity in the extrusion direction (x) by the in-plane conductivity perpendicular to the extrusion direction (y). The conductivity ratios depend on filler type and concentration and are higher the higher the filler aspect ratio and the closer the filler content is to the percolation concentration.
Collapse
|
99933
|
Ultrasensitive DNA biosensor based on electrochemical atom transfer radical polymerization. Biosens Bioelectron 2019; 131:193-199. [DOI: 10.1016/j.bios.2018.11.029] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 10/31/2018] [Accepted: 11/18/2018] [Indexed: 02/04/2023]
|
99934
|
Synthesis of silica/polypeptide hybrid nanomaterials and mesoporous silica by molecular replication of sheet-like polypeptide complexes through biomimetic mineralization. J Colloid Interface Sci 2019; 542:243-252. [DOI: 10.1016/j.jcis.2019.02.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 02/02/2019] [Accepted: 02/05/2019] [Indexed: 11/19/2022]
|
99935
|
Kim S, Moses KJ, Sharma S, Bilal M, Cohen Y. Surface characterization data for tethered polyacrylic acid layers synthesized on polysulfone surfaces. Data Brief 2019; 23:103747. [PMID: 31372412 PMCID: PMC6660637 DOI: 10.1016/j.dib.2019.103747] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 01/31/2019] [Accepted: 02/05/2019] [Indexed: 11/30/2022] Open
Abstract
The data presented are supplementary to an article [Kim et al., 2019] on synthesis and surface characterization of tethered polyacrylic acid (PAA) layers on polysulfone (PSf) film/membrane surfaces via atmospheric pressure plasma-induced graft polymerization (APPIGP). Data on surface characterization of the synthesized tethered PAA layers includes: AFM topographic surface images and height distributions of surface features, dry layer thickness, chain rupture length distributions determined via AFM based force spectroscopy (AFM-FS), in addition to measurements of water contact angles. Fouling propensity data for ultrafiltration of alginic acid as a model foulant are also provided for native and PAA grafted PSf ultrafiltration (UF) membranes.
Collapse
Affiliation(s)
- Soomin Kim
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, CA 90095, USA
| | - Kari J. Moses
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, CA 90095, USA
| | - Shivani Sharma
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
- Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095, USA
| | - Muhammad Bilal
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
| | - Yoram Cohen
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
- Corresponding author.
| |
Collapse
|
99936
|
Electropolymerized octabenzimidazole phthalocyanine as an amperometric sensor for hydrazine. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.03.050] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
99937
|
Kou Z, Zhao P, Wang Z, Jin Z, Chen L, Su BL, He Q. Acid-responsive H 2-releasing Fe nanoparticles for safe and effective cancer therapy. J Mater Chem B 2019; 7:2759-2765. [PMID: 32255077 DOI: 10.1039/c9tb00338j] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hydrogen therapy is an emerging and promising strategy for treatment of inflammation-related diseases owing to the excellent bio-safety of hydrogen molecules (H2), but is facing a challenge that the H2 concentration at the local disease site is hardly accumulated because of its high diffusibility and low solubility, limiting the efficacy of hydrogen therapy. Herein, we propose a nanomedicine strategy of imaging-guided tumour-targeted delivery and tumour microenvironment-triggered release of H2 to address this issue, and develop a kind of biocompatible carboxymethyl cellulose (CMC)-coated/stabilized Fe (Fe@CMC) nanoparticle with photoacoustic imaging (PAI), tumour targeting and acid responsive hydrogen release properties for cancer therapy. The Fe@CMC nanoparticles have demonstrated high intratumoural accumulation capability, high acid responsiveness, excellent PAI performance, selective cancer-killing effect and high bio-safety in vitro and in vivo. Effective inhibition of tumour growth is achieved by intravenous injection of the Fe@CMC nanoparticles, and the selective anti-cancer mechanism of Fe@CMC is discovered to be originated from the energy metabolism homeostasis regulatory function of the released H2. The proposed nanomedicine-mediated hydrogen therapy strategy will open a new window for precise, high-efficacy and safe cancer treatment.
Collapse
Affiliation(s)
- Zhu Kou
- Laboratory of Living Materials, The State Key Laboratory of Advanced Technology for Marterials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, 430070, Wuhan, China.
| | | | | | | | | | | | | |
Collapse
|
99938
|
Patel M, Lee HJ, Kwon OH, Jeong B. Polypeptide Thermogel-Filled Silk Tube as a Bioactive Nerve Conduit. ACS APPLIED BIO MATERIALS 2019; 2:1967-1974. [DOI: 10.1021/acsabm.9b00026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Madhumita Patel
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Hyun Jung Lee
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Oh Hyeong Kwon
- Department of Polymer Science and Engineering, Kumoh National Institute of Technology, 61 Daehak-ro, Gumi, Gyeongbuk 39177, Korea
| | - Byeongmoon Jeong
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| |
Collapse
|
99939
|
Electrospun Schizophyllan/polyvinyl alcohol blend nanofibrous scaffold as potential wound healing. Int J Biol Macromol 2019; 127:27-38. [DOI: 10.1016/j.ijbiomac.2018.12.256] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 12/22/2018] [Accepted: 12/27/2018] [Indexed: 01/28/2023]
|
99940
|
|
99941
|
Zhou J, Zha X. Synthesis and Pickering emulsifier performance of Ag/poly((2-dimethylamino)ethyl methacrylate)-co-poly(hexafluorobutyl acrylate) amphiphilic random copolymer hybrid micelles. REACT FUNCT POLYM 2019. [DOI: 10.1016/j.reactfunctpolym.2019.01.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
99942
|
Hsu SW, Xu T. Tailoring Co-assembly of Nanodiscs and Block Copolymer-Based Supramolecules by Manipulating Interparticle Interactions. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00069] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
| | - Ting Xu
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| |
Collapse
|
99943
|
Siebert HM, Wilker JJ. Improving the molecular weight and synthesis of a renewable biomimetic adhesive polymer. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.01.063] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
|
99944
|
|
99945
|
Structural controlled pure metallo-triangular assembly through bisterpyridinyl Dibenzo[b,d]thiophene, Dibenzo[b,d]furan and Dibenzo[b,d]carbazole. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.03.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
99946
|
|
99947
|
A multiscale model for the synthesis of thermosetting resins: From the addition reaction to cross-linked network formation. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2019.02.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
99948
|
Rad'kova N, Rad'kov V, Cherkasov A, Kovylina T, Trifonov A. Lanthanide bis(borohydride) complexes coordinated by tetradentate phenoxide ligand: Synthesis, structure, and catalytic activity in ring-opening polymerization of rac-lactide and ε-caprolactone. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.02.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
99949
|
|
99950
|
Polyamide/silica hybrid materials by anionic melt polymerization of lactam-substituted silane monomers with ε-caprolactam. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.01.072] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|