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Xu L, Guo M, Hung CT, Shi XL, Yuan Y, Zhang X, Jin RH, Li W, Dong Q, Zhao D. Chiral Skeletons of Mesoporous Silica Nanospheres to Mitigate Alzheimer’s β-Amyloid Aggregation. J Am Chem Soc 2023; 145:7810-7819. [PMID: 37002870 DOI: 10.1021/jacs.2c12214] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
Chiral mesoporous silica (mSiO2) nanomaterials have gained significant attention during the past two decades. Most of them show a topologically characteristic helix; however, little attention has been paid to the molecular-scale chirality of mSiO2 frameworks. Herein, we report a chiral amide-gel-directed synthesis strategy for the fabrication of chiral mSiO2 nanospheres with molecular-scale-like chirality in the silicate skeletons. The functionalization of micelles with the chiral amide gels via electrostatic interactions realizes the growth of molecular configuration chiral silica sols. Subsequent modular self-assembly results in the formation of dendritic large mesoporous silica nanospheres with molecular chirality of the silica frameworks. As a result, the resultant chiral mSiO2 nanospheres show abundant large mesopores (∼10.1 nm), high pore volumes (∼1.8 cm3·g-1), high surface areas (∼525 m2·g-1), and evident CD activity. The successful transfer of the chirality from the chiral amide gels to composited micelles and further to asymmetric silica polymeric frameworks based on modular self-assembly leads to the presence of molecular chirality in the final products. The chiral mSiO2 frameworks display a good chiral stability after a high-temperature calcination (even up to 1000 °C). The chiral mSiO2 can impart a notable decline in β-amyloid protein (Aβ42) aggregation formation up to 79%, leading to significant mitigation of Aβ42-induced cytotoxicity on the human neuroblastoma line SH-ST5Y cells in vitro. This finding opens a new avenue to construct the molecular chirality configuration in nanomaterials for optical and biomedical applications.
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Affiliation(s)
- Li Xu
- Laboratory of Advanced Materials, Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, Fudan University, Shanghai, 200433, People’s Republic of China
| | - Min Guo
- Department of Neurology, Huashan Hospital, Fudan University, Shanghai, 200433, People’s Republic of China
| | - Chin-Te Hung
- Laboratory of Advanced Materials, Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, Fudan University, Shanghai, 200433, People’s Republic of China
| | - Xiao-Lei Shi
- School of Chemistry and Physics and Centre for Materials Science, Queensland University of Technology, Brisbane, Queensland 4000, Australia
| | - Yiwen Yuan
- Department of Neurology, Huashan Hospital, Fudan University, Shanghai, 200433, People’s Republic of China
| | - Xingmiao Zhang
- Laboratory of Advanced Materials, Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, Fudan University, Shanghai, 200433, People’s Republic of China
| | - Ren-Hua Jin
- Department of Materials and Life Chemistry, Kanagawa University, Yokohama 221-8686, Japan
| | - Wei Li
- Laboratory of Advanced Materials, Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, Fudan University, Shanghai, 200433, People’s Republic of China
| | - Qiang Dong
- Department of Neurology, Huashan Hospital, State Key Laboratory of Medical Neurobiology, Ministry of Education (MOE) Frontiers Center for Brain Science, National Center for Neurological Disorders, Fudan University, Shanghai, 200433, People’s Republic of China
| | - Dongyuan Zhao
- Laboratory of Advanced Materials, Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, Fudan University, Shanghai, 200433, People’s Republic of China
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Colafarina S, Di Carlo P, Zarivi O, Aloisi M, Di Serafino A, Aruffo E, Arrizza L, Limongi T, Poma A. Genotoxicity Response of Fibroblast Cells and Human Epithelial Adenocarcinoma In Vitro Model Exposed to Bare and Ozone-Treated Silica Microparticles. Cells 2022; 11:226. [PMID: 35053344 PMCID: PMC8773945 DOI: 10.3390/cells11020226] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/03/2022] [Accepted: 01/05/2022] [Indexed: 12/04/2022] Open
Abstract
Indoor air pollutants (IAP), which can pose a serious risk to human health, include biological pollutants, nitric oxide (NO), nitrogen dioxide (NO2), volatile organic compounds (VOC), sulfur dioxide (SO2), carbon monoxide (CO), carbon dioxide (CO2), silica, metals, radon, and particulate matter (PM). The aim of our work is to conduct a multidisciplinary study of fine silica particles (<2.5 μm) in the presence or absence of ozone (O3), and evaluate their potential cytotoxicity using MTS, micronucleus, and the comet test in two cell lines. We analyzed A549 (human basal alveolar epithelial cell adenocarcinoma) and Hs27 (human normal fibroblasts) exposed to dynamic conditions by an IRC simulator under ozone flow (120 ppb) and in the presence of silica particles (40 μg/h). The viability of A549 and Hs27 cells at 48 and 72 h of exposure to silica or silica/ozone decreases, except at 72 h in Hs27 treated with silica/ozone. The micronucleus and comet tests showed a significant increase in the number of micronuclei and the % of DNA in the queue, compared to the control, in both lines in all treatments, even if in different cell times/types. We found that silica alone or with more O3 causes more pronounced genotoxic effects in A549 tumor cells than in normal Hs27 fibroblasts.
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Affiliation(s)
- Sabrina Colafarina
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (S.C.); (O.Z.); (M.A.); (L.A.)
| | - Piero Di Carlo
- Department of Psychological, Health and Territorial Sciences, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (P.D.C.); (A.D.S.); (E.A.)
- Center for Advanced Studies and Technology-CAST, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Osvaldo Zarivi
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (S.C.); (O.Z.); (M.A.); (L.A.)
| | - Massimo Aloisi
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (S.C.); (O.Z.); (M.A.); (L.A.)
| | - Alessandra Di Serafino
- Department of Psychological, Health and Territorial Sciences, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (P.D.C.); (A.D.S.); (E.A.)
| | - Eleonora Aruffo
- Department of Psychological, Health and Territorial Sciences, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (P.D.C.); (A.D.S.); (E.A.)
- Center for Advanced Studies and Technology-CAST, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Lorenzo Arrizza
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (S.C.); (O.Z.); (M.A.); (L.A.)
| | - Tania Limongi
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy;
| | - Anna Poma
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (S.C.); (O.Z.); (M.A.); (L.A.)
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Tsunega S, Jin R. Chiroptical Cross‐Linked Polymers Grown via Radical Polymerization around Chiral Nanosilica. MACROMOL CHEM PHYS 2021. [DOI: 10.1002/macp.202000436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Seiji Tsunega
- Department of Material and Life Chemistry Kanagawa University 3‐2‐7 Rokkakubashi Yokohama 221‐8686 Japan
| | - Ren‐Hua Jin
- Department of Material and Life Chemistry Kanagawa University 3‐2‐7 Rokkakubashi Yokohama 221‐8686 Japan
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Kuo PC, Lin ZX, Wu TY, Hsu CH, Lin HP, Wu TS. Effects of morphology and pore size of mesoporous silicas on the efficiency of an immobilized enzyme. RSC Adv 2021; 11:10010-10017. [PMID: 35423525 PMCID: PMC8695390 DOI: 10.1039/d1ra01358k] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 03/02/2021] [Indexed: 12/12/2022] Open
Abstract
An investigation is performed into the efficiency of the Streptomyces griseus HUT 6037 enzyme immobilized in three different mesoporous silicas, namely mesoporous silica film, mesocellular foam, and rod-like SBA-15. It is shown that for all three supports, the pH value changes the surface charge and charge density and hence determines the maximum loading capacity of the enzyme. The products of the enzyme hydrolytic reaction are analyzed by 1H-NMR. The results show that among the three silica supports, the mesoporous silica film (with a channel length in the range of 60–100 nm) maximizes the accessibility of the immobilized enzyme. The loading capacity of the enzyme is up to 95% at pH 7 and the activity of the immobilized enzyme is maintained for more than 15 days when using a silica film support. The order of the activity of the enzyme immobilized in different mesoporous silica supports is: mesoporous silica film > mesocellular foam > rod-like SBA-15. Furthermore, the immobilized enzyme can be easily separated from the reaction solution via simple filtration or centrifugation methods and re-used for hydrolytic reaction as required. Mesoporous silica films were used as supports with high loading capacity and enzyme activity.![]()
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Affiliation(s)
- Ping-Chung Kuo
- School of Pharmacy, College of Medicine, National Cheng Kung University Tainan 701 Taiwan +886-6-2740552 +886-6-2747538
| | - Zhi-Xun Lin
- Department of Chemistry, National Cheng Kung University Tainan 701 Taiwan +886-6-2757575 ext. 65342
| | - Tzi-Yi Wu
- Department of Chemical & Materials Engineering, National Yunlin University of Science and Technology Yunlin 644 Taiwan
| | - Chun-Han Hsu
- General Education Center, National Tainan Junior College of Nursing Tainan 700 Taiwan
| | - Hong-Ping Lin
- Department of Chemistry, National Cheng Kung University Tainan 701 Taiwan +886-6-2757575 ext. 65342
| | - Tian-Shung Wu
- School of Pharmacy, College of Medicine, National Cheng Kung University Tainan 701 Taiwan +886-6-2740552 +886-6-2747538.,Department of Pharmacy, College of Pharmacy and Health Care, Tajen University Pingtung 907 Taiwan
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Tashiro S, Umeki T, Kubota R, Shionoya M. Face-selective adsorption of a prochiral compound on the chiral pore-surface of a metal-macrocycle framework (MMF) directed towards stereoselective reactions. Faraday Discuss 2021; 225:197-209. [PMID: 33104769 DOI: 10.1039/d0fd00019a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Molecular adsorption on a surface is a unique way to break the mirror-symmetry of prochiral molecules, and therefore the use of chiral surfaces is an effective strategy for achieving highly selective chiral separation and asymmetric catalytic reactions based on molecular adsorption with high diastereoselectivity. We have previously reported a porous metal-macrocycle framework (MMF) with an enantiomeric pair of chiral pore-surfaces derived from Pd-helical macrocycles as the ingredients of the framework. Aiming at applying the chiral pore-surface of the MMF to asymmetric reactions and chiral separation, herein we propose a strategy to utilize one of the enantiomerically paired pore-surfaces as a homochiral pore-surface with the aid of chiral auxiliaries that can block only one side of the enantiomeric pore-surfaces in a site-selective manner. Single-crystal X-ray diffraction analysis revealed that a chiral auxiliary, (1R)- or (1S)-1-(3-chlorophenyl)ethanol, and a prochiral guest molecule, 2'-hydroxyacetophenone, were cooperatively arranged in each pore unit so that the prochiral guest molecule can face-selectively bind to the homochiral pore-surface.
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Affiliation(s)
- Shohei Tashiro
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
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Kong H, Sun X, Yang L, Liu X, Yang H, Jin RH. Chirality Detection by Raman Spectroscopy: The Case of Enantioselective Interactions between Amino Acids and Polymer-Modified Chiral Silica. Anal Chem 2020; 92:14292-14296. [PMID: 33085471 DOI: 10.1021/acs.analchem.0c03286] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In chirality research area, it is of interest to reveal the chiral feature of inorganic nanomaterials and their enantioselective interactions with biomolecules. Although common Raman spectroscopy is not regarded as a direct chirality analysis tool, it is in fact effective and sensitive to study the enantioselectivity phenomena, which is demonstrated by the enantio-discrimination of amino acid enantiomers using the polydopamine-modified intrinsically chiral SiO2 nanofibers in this work. The Raman scattering intensities of an enantiomer of cysteine are more than twice as high as those of the other enantiomer with opposite handedness. Similar results were also found in the cases of cystine, phenylalanine, and tryptophan enantiomers. In turn, these organic molecules could be used as chirality indicators for SiO2, which was clarified by the unique Raman spectra-derived mirror-image relationships. Thus, an indirect chirality detection method for inorganic nanomaterials was developed.
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Affiliation(s)
- Huanjun Kong
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Xueping Sun
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Liu Yang
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Xinling Liu
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Haifeng Yang
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Ren-Hua Jin
- Department of Material and Life Chemistry, Kanagawa University, Yokohama 221-8686, Japan
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Kong H, Sun X, Yang L, Liu X, Yang H, Jin RH. Polydopamine/Silver Substrates Stemmed from Chiral Silica for SERS Differentiation of Amino Acid Enantiomers. ACS APPLIED MATERIALS & INTERFACES 2020; 12:29868-29875. [PMID: 32510194 DOI: 10.1021/acsami.0c08780] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Polydopamine (PDA) and silver (Ag) nanoparticles were first generated on chiral silica nanofibers and then detached from silica to form PDA/Ag composites. The as-obtained PDA/Ag showed surface-enhanced Raman scattering (SERS) activity but very weak circular dichroism optical activity. Interestingly, the PDA/Ag substrates could make a pair of tyrosine (or phenylalanine) enantiomers show different Raman scattering signal intensities, where the differences could reach 3 times. In contrast, PDA/Ag prepared by using racemic or achiral silica did not exhibit such discrimination performance. Therefore, this research offered a novel SERS-based enantiomeric differentiation method with the assistance of plasmonic metal-containing substrates stemmed from intrinsically chiral inorganic silica.
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Affiliation(s)
- Huanjun Kong
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Xueping Sun
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Liu Yang
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Xinling Liu
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Haifeng Yang
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Ren-Hua Jin
- Department of Material and Life Chemistry, Kanagawa University, Yokohama 221-8686, Japan
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Sun X, Kong H, Zhou Q, Tsunega S, Liu X, Yang H, Jin RH. Chiral Plasmonic Nanoparticle Assisted Raman Enantioselective Recognition. Anal Chem 2020; 92:8015-8020. [DOI: 10.1021/acs.analchem.0c01311] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Xueping Sun
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Huanjun Kong
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Qinghai Zhou
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Seiji Tsunega
- Department of Material and Life Chemistry, Kanagawa University, Yokohama, Kanagawa 221-8686, Japan
| | - Xinling Liu
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Haifeng Yang
- The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Ren-Hua Jin
- Department of Material and Life Chemistry, Kanagawa University, Yokohama, Kanagawa 221-8686, Japan
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Tsunega S, Jin R, Nakashima T, Kawai T. Transfer of Chiral Information from Silica Hosts to Achiral Luminescent Guests: a Simple Approach to Accessing Circularly Polarized Luminescent Systems. Chempluschem 2019; 85:619-626. [DOI: 10.1002/cplu.201900615] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 11/29/2019] [Indexed: 01/24/2023]
Affiliation(s)
- Seiji Tsunega
- Department of Material and Life ChemistryKanagawa University 3-2-7 Rokkakubashi Yokohama 221-8686 Japan
| | - Ren‐Hua Jin
- Department of Material and Life ChemistryKanagawa University 3-2-7 Rokkakubashi Yokohama 221-8686 Japan
| | - Takuya Nakashima
- Division of Materials ScienceNara Institute of Science and Technology Ikoma, Nara 630-0192 Japan
| | - Tsuyoshi Kawai
- Division of Materials ScienceNara Institute of Science and Technology Ikoma, Nara 630-0192 Japan
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Tsunega S, Kongpitak P, Jin RH. Chiroptical phenolic resins grown on chiral silica-bonded amine residues. Polym Chem 2019. [DOI: 10.1039/c9py00543a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Chiral silica bonded covalently with amine residues as an asymmetric medium to asymmetrically mediate the polymerization of resorcinol and formaldehyde to give chiroptical phenolic resins.
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Affiliation(s)
- Seiji Tsunega
- Department of Material and Life Chemistry
- Kanagawa University
- Yokohama 221-8686
- Japan
| | | | - Ren-Hua Jin
- Department of Material and Life Chemistry
- Kanagawa University
- Yokohama 221-8686
- Japan
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