1
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Development of novel poly-l-lysine-modified sericin-coated superparamagnetic iron oxide nanoparticles as siRNA carrier. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127622] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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2
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Vásárhelyi L, Hegedűs T, Sáringer S, Ballai G, Szilágyi I, Kónya Z. Stability of Boron Nitride Nanosphere Dispersions in the Presence of Polyelectrolytes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:5399-5407. [PMID: 33878269 PMCID: PMC8280764 DOI: 10.1021/acs.langmuir.1c00656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 03/31/2021] [Indexed: 11/29/2022]
Abstract
Boron nitride nanospheres (BNNSs) were functionalized with polyelectrolytes. The effect of the polyelectrolyte dose and ionic strength on the charging and aggregation properties was investigated. At appropriate polyelectrolyte doses, charge neutralization occurred, whereas by increasing the dose, charge reversal was observed. The complete coating of the particles was indicated by a plateau in the ζ-potential values, which do not change significantly beyond the dose corresponding to the onset of such a plateau. The dispersions were highly aggregated around the charge neutralization point, while at lower or higher doses, the particles were stable. The salt-induced aggregation experiments revealed that the polyelectrolyte coatings contribute to the colloidal stability of the particles, namely, the critical coagulation concentrations deviated from the one determined for bare BNNSs. The presence of electrostatic and steric interparticle forces induced by the adsorbed polyelectrolyte chains was assumed. The obtained results confirm that the comprehensive investigation of the colloidal stability of BNNS particles is crucial to design stable or unstable dispersions and that polyelectrolytes are suitable agents for both stabilization and destabilization of BNNS dispersions, depending on the purpose of their application.
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Affiliation(s)
- Lívia Vásárhelyi
- Interdisciplinary
Excellence Center, Department of Applied and Environmental Chemistry, University of Szeged, Szeged H-6720, Hungary
| | - Tímea Hegedűs
- Interdisciplinary
Excellence Center, Department of Applied and Environmental Chemistry, University of Szeged, Szeged H-6720, Hungary
| | - Szilárd Sáringer
- MTA-SZTE
Lendület Biocolloids Research Group, Interdisciplinary Excellence
Center, Department of Physical Chemistry and Materials Science, University of Szeged, Szeged H-6720, Hungary
| | - Gergő Ballai
- Interdisciplinary
Excellence Center, Department of Applied and Environmental Chemistry, University of Szeged, Szeged H-6720, Hungary
| | - István Szilágyi
- MTA-SZTE
Lendület Biocolloids Research Group, Interdisciplinary Excellence
Center, Department of Physical Chemistry and Materials Science, University of Szeged, Szeged H-6720, Hungary
| | - Zoltán Kónya
- Interdisciplinary
Excellence Center, Department of Applied and Environmental Chemistry, University of Szeged, Szeged H-6720, Hungary
- MTA-SZTE
Reaction Kinetics and Surface Chemistry Research Group, Szeged H-6720, Hungary
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3
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Qiu Y, Lin Y, Zhang G. Unique silica biomimetic mineralization of acidic elastin-like polypeptides without hydroxyl and charged residues. Int J Biol Macromol 2020; 153:224-231. [PMID: 32142846 DOI: 10.1016/j.ijbiomac.2020.03.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 02/18/2020] [Accepted: 03/02/2020] [Indexed: 11/26/2022]
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4
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Buckle EL, Lum JS, Roehrich AM, Stote RE, Vandermoon B, Dracinsky M, Filocamo SF, Drobny GP. Serine-Lysine Peptides as Mediators for the Production of Titanium Dioxide: Investigating the Effects of Primary and Secondary Structures Using Solid-State NMR Spectroscopy and DFT Calculations. J Phys Chem B 2018; 122:4708-4718. [PMID: 29595262 DOI: 10.1021/acs.jpcb.8b00745] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A biomimetic approach to the formation of titania (TiO2) nanostructures is desirable because of the mild conditions required in this form of production. We have identified a series of serine-lysine peptides as candidates for the biomimetic production of TiO2 nanostructures. We have assayed these peptides for TiO2-precipitating activity upon exposure to titanium bis(ammonium lactato)dihydroxide and have characterized the resulting coprecipitates using scanning electron microscopy. A subset of these assayed peptides efficiently facilitates the production of TiO2 nanospheres. Here, we investigate the process of TiO2 nanosphere formation mediated by the S-K peptides KSSKK- and SKSK3SKS using one-dimensional and two-dimensional solid-state NMR (ssNMR) on peptide samples with uniformly 13C-enriched residues. ssNMR is used to assign 13C chemical shifts (CSs) site-specifically in each free peptide and TiO2-embedded peptide, which are used to derive secondary structures in the neat and TiO2 coprecipitated states. The backbone 13C CSs are used to assess secondary structural changes undergone during the coprecipitation process. Side-chain 13C CS changes are analyzed with density functional theory calculations and used to determine side-chain conformational changes that occur upon coprecipitation with TiO2 and to determine surface orientation of lysine side chains in TiO2-peptide composites.
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Affiliation(s)
- Erika L Buckle
- Department of Chemistry , University of Washington , Box 351700 , Seattle , Washington 98195 , United States
| | - June S Lum
- Biological Sciences and Technology Team , US Army Natick Soldier Research, Development and Engineering Center , Natick , Massachusetts 01760 , United States
| | - Adrienne M Roehrich
- Department of Chemistry , University of Washington , Box 351700 , Seattle , Washington 98195 , United States
| | - Robert E Stote
- Biological Sciences and Technology Team , US Army Natick Soldier Research, Development and Engineering Center , Natick , Massachusetts 01760 , United States
| | - Branden Vandermoon
- Department of Chemistry , University of Washington , Box 351700 , Seattle , Washington 98195 , United States
| | - Martin Dracinsky
- Institute of Organic Chemistry and Biochemistry , Czech Academy of Sciences , Flemingovo 2 , 16610 Prague , Czech Republic
| | - Shaun F Filocamo
- Biological Sciences and Technology Team , US Army Natick Soldier Research, Development and Engineering Center , Natick , Massachusetts 01760 , United States
| | - Gary P Drobny
- Department of Chemistry , University of Washington , Box 351700 , Seattle , Washington 98195 , United States
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5
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Hui Y, Wibowo D, Liu Y, Ran R, Wang HF, Seth A, Middelberg APJ, Zhao CX. Understanding the Effects of Nanocapsular Mechanical Property on Passive and Active Tumor Targeting. ACS NANO 2018; 12:2846-2857. [PMID: 29489325 DOI: 10.1021/acsnano.8b00242] [Citation(s) in RCA: 102] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The physicochemical properties of nanoparticles (size, charge, and surface chemistry, etc.) influence their biological functions often in complex and poorly understood ways. This complexity is compounded when the nanostructures involved have variable mechanical properties. Here, we report the synthesis of liquid-filled silica nanocapsules (SNCs, ∼ 150 nm) having a wide range of stiffness (with Young's moduli ranging from 704 kPa to 9.7 GPa). We demonstrate a complex trade-off between nanoparticle stiffness and the efficiencies of both immune evasion and passive/active tumor targeting. Soft SNCs showed 3 times less uptake by macrophages than stiff SNCs, while the uptake of PEGylated SNCs by cancer cells was independent of stiffness. In addition, the functionalization of stiff SNCs with folic acid significantly enhanced their receptor-mediated cellular uptake, whereas little improvement for the soft SNCs was conferred. Further in vivo experiments confirmed these findings and demonstrated the critical role of nanoparticle mechanical properties in regulating their interactions with biological systems.
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Affiliation(s)
- Yue Hui
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , St. Lucia , Queensland 4072 , Australia
| | - David Wibowo
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , St. Lucia , Queensland 4072 , Australia
| | - Yun Liu
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , St. Lucia , Queensland 4072 , Australia
| | - Rui Ran
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , St. Lucia , Queensland 4072 , Australia
| | - Hao-Fei Wang
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , St. Lucia , Queensland 4072 , Australia
| | - Arjun Seth
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , St. Lucia , Queensland 4072 , Australia
| | - Anton P J Middelberg
- Faculty of Engineering, Computer and Mathematical Sciences , The University of Adelaide , Adelaide , South Australia 5005 , Australia
| | - Chun-Xia Zhao
- Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , St. Lucia , Queensland 4072 , Australia
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6
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Zerfaß C, Buchko GW, Shaw WJ, Hobe S, Paulsen H. Secondary structure and dynamics study of the intrinsically disordered silica-mineralizing peptide P 5 S 3 during silicic acid condensation and silica decondensation. Proteins 2017; 85:2111-2126. [PMID: 28799215 PMCID: PMC5760248 DOI: 10.1002/prot.25366] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 08/07/2017] [Accepted: 08/08/2017] [Indexed: 11/08/2022]
Abstract
The silica forming repeat R5 of sil1 from Cylindrotheca fusiformis was the blueprint for the design of P5 S3 , a 50-residue peptide which can be produced in large amounts by recombinant bacterial expression. It contains 5 protein kinase A target sites and is highly cationic due to 10 lysine and 10 arginine residues. In the presence of supersaturated orthosilicic acid P5 S3 enhances silica-formation whereas it retards the dissolution of amorphous silica (SiO2 ) at globally undersaturated concentrations. The secondary structure of P5 S3 during these 2 processes was studied by circular dichroism (CD) spectroscopy, complemented by nuclear magnetic resonance (NMR) spectroscopy of the peptide in the absence of silicate. The NMR studies of dual-labeled (13 C, 15 N) P5 S3 revealed a disordered structure at pH 2.8 and 4.5. Within the pH range of 4.5-9.5 in the absence of silicic acid, the CD data showed a disordered structure with the suggestion of some polyproline II character. Upon silicic acid polymerization and during dissolution of preformed silica, the CD spectrum of P5 S3 indicated partial transition into an α-helical conformation which was transient during silica-dissolution. The secondary structural changes observed for P5 S3 correlate with the presence of oligomeric/polymeric silicic acid, presumably due to P5 S3 -silica interactions. These P5 S3 -silica interactions appear, at least in part, ionic in nature since negatively charged dodecylsulfate caused similar perturbations to the P5 S3 CD spectrum as observed with silica, while uncharged ß-d-dodecyl maltoside did not affect the CD spectrum of P5 S3 . Thus, with an associated increase in α-helical character, P5 S3 influences both the condensation of silicic acid into silica and its decondensation back to silicic acid.
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Affiliation(s)
- Christian Zerfaß
- Institute of Molecular Physiology, Johannes Gutenberg University, Johannes-von-Müller-Weg 6, 55128 Mainz, Germany
- Graduate School Materials Science in Mainz, Staudinger Weg 9, 55128 Mainz, Germany
| | - Garry W. Buchko
- Pacific Northwest National Laboratory, Richland, WA 99354, United States
| | - Wendy J. Shaw
- Pacific Northwest National Laboratory, Richland, WA 99354, United States
| | - Stephan Hobe
- Institute of Molecular Physiology, Johannes Gutenberg University, Johannes-von-Müller-Weg 6, 55128 Mainz, Germany
| | - Harald Paulsen
- Institute of Molecular Physiology, Johannes Gutenberg University, Johannes-von-Müller-Weg 6, 55128 Mainz, Germany
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7
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Xu L, Cui F, Zhang J, Hao Y, Wang Y, Cui T. Autocatalytic synthesis of multifunctional precursors for fabricating silica microspheres with well-dispersed Ag and Co 3O 4 nanoparticles. NANOSCALE 2017; 9:899-906. [PMID: 28000832 DOI: 10.1039/c6nr08309a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Herein, an autocatalytic route to fabricate dual metal ion-equipped organic/inorganic hybrid silica, an ideal precursor for multifunctional silica-based composites integrated with well-dispersed Ag and Co3O4 nanoparticles was demonstrated. Significantly, by rational selection of reactants, such dual metal ion-equipped organic/inorganic hybrid silica can be synthesized through successive spontaneous reactions under near neutral conditions without an additional catalyst. Both the Ag+ and Co2+ ions are introduced into silica by chemical bonds, which favor the formation of small-sized and well-dispersed Ag and Co3O4 nanoparticles without aggregation in the entire silica matrix. After calcination, multifunctional silica composites equipped with well-dispersed Ag and Co3O4 nanoparticles were obtained. The as-obtained silica composites, as indicated by scanning electron microscopy (SEM) and transmission electron microscopy (TEM), have a spherical morphology and smooth surface. TEM tests also reveal the well dispersed fashion of Ag and Co3O4 nanoparticles. In addition, the obtained Ag-Co3O4@SiO2 composites exhibit good catalytic performance in the reduction of methylene blue (MB) with NaBH4 as a reducing agent, and can be readily recycled by an external magnetic field due to their superparamagnetic properties.
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Affiliation(s)
- Linxu Xu
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China.
| | - Fang Cui
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China.
| | - Jiajia Zhang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China.
| | - Yanjun Hao
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China.
| | - Yan Wang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China.
| | - Tieyu Cui
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China.
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8
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Spinthaki A, Zerfaß C, Paulsen H, Hobe S, Demadis KD. Pleiotropic Role of Recombinant Silaffin-Like Cationic Polypeptide P5S3: Peptide-Induced Silicic Acid Stabilization, Silica Formation and Inhibition of Silica Dissolution. ChemistrySelect 2016. [DOI: 10.1002/slct.201601086] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Argyro Spinthaki
- Crystal Engineering, Growth and Design Laboratory; Department of Chemistry; University of Crete; Voutes Campus, Heraklion Crete 71003 Greece
| | - Christian Zerfaß
- Department of Biology; Institute of General Botany; University of Mainz; Johannes-von-Müllerweg 6 55099 Mainz Germany
- Graduate School Materials Science in Mainz; University of Mainz, Staudingerweg 9, 55128 Mainz, Germany
| | - Harald Paulsen
- Department of Biology; Institute of General Botany; University of Mainz; Johannes-von-Müllerweg 6 55099 Mainz Germany
| | - Stephan Hobe
- Department of Biology; Institute of General Botany; University of Mainz; Johannes-von-Müllerweg 6 55099 Mainz Germany
| | - Konstantinos D. Demadis
- Crystal Engineering, Growth and Design Laboratory; Department of Chemistry; University of Crete; Voutes Campus, Heraklion Crete 71003 Greece
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9
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Jakhmola A, Vecchione R, Guarnieri D, Belli V, Calabria D, Netti PA. Bioinspired Oil Core/Silica Shell Nanocarriers with Tunable and Multimodal Functionalities. Adv Healthc Mater 2015; 4:2688-98. [PMID: 26513631 DOI: 10.1002/adhm.201500588] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 08/27/2015] [Indexed: 12/22/2022]
Abstract
The application of multimodal systems in the field of nanomedicine is advantageous as they can perform two or more tasks simultaneously. Here a robust approach is presented mimicking biogenic silica to design a multilayered nanocarrier system with a central oil core encapsulated within a polymer-silica shell. The outermost silica shell has been deposited through a biosilicification process induced by poly-L-lysine molecules immobilized on the surface of emulsion droplets. This system can be simultaneously loaded with high amount of hydrophobic molecules or contrasting agents in the inner oil core, while the polymeric-silica layers can be easily tagged with at least two different contrasting agents. Additionally, the zwitterionic nature of the silica precipitating peptide (poly-L-lysine) has been efficiently exploited to modulate and entirely reverse the surface charge of the nanocarrier without using any additional coating material. It has been demonstrated experimentally that the designed nanocapsular system is monodisperse, nontoxic, cargo protective, tunable in thickness, fluorescent, and magnetic resonance imaging (MRI) active so highly versatile for multiple applications in the field of drug delivery and in vivo imaging.
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Affiliation(s)
- Anshuman Jakhmola
- Istituto Italiano di Tecnologia; IIT@CRIB; Largo Barsanti e Matteucci 53 80125 Napoli Italy
| | - Raffaele Vecchione
- Istituto Italiano di Tecnologia; IIT@CRIB; Largo Barsanti e Matteucci 53 80125 Napoli Italy
- Centro di Ricerca Interdipartimentale sui Biomateriali CRIB; Università di Napoli Federico II; Piazzale Tecchio 80 80125 Napoli Italy
| | - Daniela Guarnieri
- Istituto Italiano di Tecnologia; IIT@CRIB; Largo Barsanti e Matteucci 53 80125 Napoli Italy
- Centro di Ricerca Interdipartimentale sui Biomateriali CRIB; Università di Napoli Federico II; Piazzale Tecchio 80 80125 Napoli Italy
| | - Valentina Belli
- Istituto Italiano di Tecnologia; IIT@CRIB; Largo Barsanti e Matteucci 53 80125 Napoli Italy
- Centro di Ricerca Interdipartimentale sui Biomateriali CRIB; Università di Napoli Federico II; Piazzale Tecchio 80 80125 Napoli Italy
| | - Dominic Calabria
- Centro di Ricerca Interdipartimentale sui Biomateriali CRIB; Università di Napoli Federico II; Piazzale Tecchio 80 80125 Napoli Italy
| | - Paolo A. Netti
- Istituto Italiano di Tecnologia; IIT@CRIB; Largo Barsanti e Matteucci 53 80125 Napoli Italy
- Centro di Ricerca Interdipartimentale sui Biomateriali CRIB; Università di Napoli Federico II; Piazzale Tecchio 80 80125 Napoli Italy
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10
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Shakiba A, Jamison AC, Lee TR. Poly(L-lysine) Interfaces via Dual Click Reactions on Surface-Bound Custom-Designed Dithiol Adsorbates. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:6154-63. [PMID: 25961498 DOI: 10.1021/acs.langmuir.5b00877] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Surfaces modified with poly(L-lysine) can be used to immobilize selected biomolecules electrostatically. This report describes the preparation of a set of self-assembled monolayers (SAMs) from three different azide-terminated adsorbates as platforms for performing controlled surface attachments and as a means of determining the parameters that afford stable poly(L-lysine)-modified SAM surfaces having controlled packing densities. A maleimide-terminated alkyne linker was "clicked" to the azide-terminated surfaces via a copper-catalyzed cycloaddition reaction to produce the attachment sites for the polypeptides. A thiol-Michael addition was then used to immobilize cysteine-terminated poly(L-lysine) moieties on the gold surface, avoiding adsorbate self-reactions with this two-step procedure. Each step in this process was analyzed by ellipsometry, X-ray photoelectron spectroscopy, polarization modulation infrared reflection-absorption spectroscopy, and contact angle goniometry to determine which adsorbate structure most effectively produced the targeted polypeptide interface. Additionally, a series of mixed SAMs using an azidoalkanethiol in combination with a normal alkanethiol having an equivalent alkyl chain were prepared to provide data to determine how dilution of the azide reactive site on the SAM surface influences the initial click reaction. Overall, the collected data demonstrate the advantages of an appropriately designed bidentate absorbate and its potential to form effective platforms for biomolecule surface attachment via click reactions.
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Affiliation(s)
- Amin Shakiba
- Departments of Chemistry and Chemical Engineering and the Texas Center for Superconductivity, University of Houston, Houston, Texas 77204-5003, United States
| | - Andrew C Jamison
- Departments of Chemistry and Chemical Engineering and the Texas Center for Superconductivity, University of Houston, Houston, Texas 77204-5003, United States
| | - T Randall Lee
- Departments of Chemistry and Chemical Engineering and the Texas Center for Superconductivity, University of Houston, Houston, Texas 77204-5003, United States
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Wang Q, Yu J, Zheng J, Liu D, Jiang F, Zhang X, Li W. Morphology-controlled synthesis of silica materials templated by self-assembled short amphiphilic peptides. RSC Adv 2013. [DOI: 10.1039/c3ra42183j] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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12
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Wang F, Jiang F, Li Y, Wang Q, Zhang X. Formation of new biosilica-like structures by flow-induced forces. RSC Adv 2012. [DOI: 10.1039/c2ra20127e] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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13
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Wu R, Li Y, Wang Q, Yu J, Jiang F, Wang F, Zhang X. Biosilica structures with controllable morphology produced by an electrochemical process on indium tin oxide surfaces. RSC Adv 2012. [DOI: 10.1039/c2ra21326e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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