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Biomimetics
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Selected Papers from NanoTech Poland 2018 and 1st Symposium on...
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Selected Papers from NanoTech Poland 2018 and 1st Symposium on Polydopamine

A special issue of Biomimetics (ISSN 2313-7673).

Deadline for manuscript submissions: closed (31 October 2018) | Viewed by 31995

Special Issue Editors

Prof. Dr. Stefan Jurga

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Guest Editor
NanoBioMedical Centre, Adam Mickiewicz University Poznan, Poznan, Poland
Interests: nanoscience and nanotechnology; physics and chemistry of surfaces and thin films; structure and dynamics in soft matter (colloids; surfactants; block copolymers; miktoarms and dendrimer polymers; nanoparticles in confined space; biomaterials); NMR imaging; NMR relaxation and diffusion; and molecular modelling and simulations
Special Issues, Collections and Topics in MDPI journals
Dr. Radosław Mrówczyński

E-Mail Website
Guest Editor
NanoBioMedical Centre, Adam Mickiewicz University in Poznań, Poznań, Poland
Interests: polydopamine; the chemistry of catecholic materials; nanotechnology; nanomedicine; bioinspired drug carriers; multifunctional nanoparticles; application of bioinspired materials in brain tumor therapy
Prof. Dr. Marco d'Ischia

E-Mail Website
Guest Editor
Department of Chemical Sciences, University of Naples Federico II, Via Cintia 4, I-80126 Naples, Italy
Interests: structure, synthesis, physicochemical properties, and reactivity of melanins; polydopamine and related bioinspired functional materials for underwater surface functionalization and hybrid nanostructures for bioelectronics and biomedical applications; design, antioxidant properties, and reactivity of bioactive phenolic and quinone compounds; free radical oxidations and nature-inspired redox-active systems for biomedical and technological applications; chemistry and physicochemical properties of natural or bioinspired heterocyclic compounds; bioorganic chemistry of organic sulphur and selenium compounds; model reactions and transformation pathways of polycyclic aromatic hydrocarbons and derivatives of astrochemical relevance
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Haeshin Lee

E-Mail Website
Guest Editor
Department of Chemistry, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea
Interests: interface; adhesion; bio-inspired materials; polydopamine

Special Issue Information

Dear Colleagues,

Recent advances in nanoscience and nanotechnology have proven their potential to contribute enabling sustainable and novel solutions for energy, biomedicine and the environment. By covering topics from advanced nanomaterials and nanobiomedicine, this Special Issue aims to provide a forum and survey for the current status and future perspectives of this rapidly emerging field.

This Special Issue is cooperating with the NanoTech Poland 2018 conference and the 1st Symposium on Polydopamine (http://nanotechpoland.amu.edu.pl/). Registered participants of this conference are invited to submit their manuscripts to be considered for publication. Authors may consider to contribute an original research article or review in areas related to the conference themes.

Prof. dr hab. Stefan Jurga
Dr. Radosław Mrówczyński
Prof. Marco d'Ischia
Prof. Haeshin Lee
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Biomimetics is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • novel nanostructured and nanoscale materials
  • nanoparticles, nanocomposites, hybrid nanostructures
  • surface physico-chemistry
  • nanomaterials for clean and sustainable technology
  • nanomaterials for energy conversion and storage devices
  • renewable energy technologies
  • MEMS/NEMS
  • nanosensors
  • green nanotechnology
  • nanomaterials for catalysis
  • nanomembranes and nanofilters
  • theory, modelling and design of nanomaterials and nanodevices
  • nanoscaled biomaterials and biodevices
  • nanobiotechnology
  • nanomaterials for bioimaging
  • nanomaterials for drug and nucleic acids delivery
  • nanomaterials for therapy and diagnostics (theranostics)
  • nanotoxicology in vitro/in vivo, health and environmental effects
  • nanoparticle-based biosensors
  • regenerative medicine
  • polydopamine
  • catechols
  • bioinspired materials

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Published Papers (6 papers)

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11 pages, 1216 KiB  
Article
The Effect of Chloride Anions on Charge Transfer in Dye-Sensitized Photoanodes for Water Splitting
by Iwona Grądzka, Mateusz Gierszewski and Marcin Ziółek
Biomimetics 2019, 4(1), 5; https://doi.org/10.3390/biomimetics4010005 - 16 Jan 2019
Cited by 5 | Viewed by 3760
Abstract
The photoelectrochemical behavior of dye-sensitized photoelectrochemical cells based on a TiO2 layer sensitized with ruthenium components, including an absorber, ruthenium(II)bis(2,2′-bipyridine)([2,2′-bipyridine]-4,4′-diylbis(phosphonic acid)) dibromide (RuP), and a catalyst, ruthenium(II) tris(4-methylpyridine)(4-(4-(2,6-bis((l1-oxidanyl)carbonyl)pyridin-4-yl)phenyl) pyridine-2,6-dicarboxylic acid) (RuOEC), was investigated in the following water-based electrolyte configurations: KCl (pH ≈ [...] Read more.
The photoelectrochemical behavior of dye-sensitized photoelectrochemical cells based on a TiO2 layer sensitized with ruthenium components, including an absorber, ruthenium(II)bis(2,2′-bipyridine)([2,2′-bipyridine]-4,4′-diylbis(phosphonic acid)) dibromide (RuP), and a catalyst, ruthenium(II) tris(4-methylpyridine)(4-(4-(2,6-bis((l1-oxidanyl)carbonyl)pyridin-4-yl)phenyl) pyridine-2,6-dicarboxylic acid) (RuOEC), was investigated in the following water-based electrolyte configurations: KCl (pH ≈ 5), HCl (pH ≈ 3), ethylphoshonic acid (pH ≈ 3) with a different KCl concentration, and a standard phosphate buffer (pH ≈ 7). The rate of charge transfer on the photoanode’s surface was found to increase in line with the increase in the concentration of chloride anions (Cl−) in the low pH electrolyte. This effect is discussed in the context of pH influence, ionic strength, and specific interaction, studied by cyclic voltammetry (CV) in dark conditions and upon illumination of the photoanodes. The correlations between photocurrent decay traces and CV studies were also observed. Full article
(This article belongs to the Special Issue Selected Papers from NanoTech Poland 2018 and 1st Symposium on Polydopamine)
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17 pages, 4852 KiB  
Article
NDs@PDA@ICG Conjugates for Photothermal Therapy of Glioblastoma Multiforme
by Damian Maziukiewicz, Bartosz F. Grześkowiak, Emerson Coy, Stefan Jurga and Radosław Mrówczyński
Biomimetics 2019, 4(1), 3; https://doi.org/10.3390/biomimetics4010003 - 11 Jan 2019
Cited by 58 | Viewed by 6494
Abstract
The growing incidence of cancer is a problem for modern medicine, since the therapeutic efficacy of applied modalities is still not satisfactory in terms of patients’ survival rates, especially in the case of patients with brain tumors. The destructive influence of chemotherapy and [...] Read more.
The growing incidence of cancer is a problem for modern medicine, since the therapeutic efficacy of applied modalities is still not satisfactory in terms of patients’ survival rates, especially in the case of patients with brain tumors. The destructive influence of chemotherapy and radiotherapy on healthy cells reduces the chances of full recovery. With the development of nanotechnology, new ideas on cancer therapy, including brain tumors, have emerged. Photothermal therapy (PTT) is one of these. It utilizes nanoparticles (NPs) that can convert the light, preferably in the near-infrared (NIR) region, into heat. In this paper, we report the use of nanodiamonds (NDs) conjugated with biomimetic polydopamine (PDA) and indocyanine green (ICG) for glioblastoma cancer PTT therapy. The obtained materials were thoroughly analyzed in terms of their PTT effectiveness, as well as their physicochemical properties. The performed research demonstrated that NDs@PDA@ICG can be successfully applied in the photothermal therapy of glioblastoma for PTT and exhibited high photothermal conversion efficiency η above 40%, which is almost 10 times higher than in case of bare NDs. In regard to our results, our material was found to lead to a better therapeutic outcome and higher eradication of glioblastoma cells, as demonstrated in vitro. Full article
(This article belongs to the Special Issue Selected Papers from NanoTech Poland 2018 and 1st Symposium on Polydopamine)
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13 pages, 4178 KiB  
Article
Enzymatically Active Polydopamine @ Alkaline Phosphatase Nanoparticles Produced by NaIO4 Oxidation of Dopamine
by Salima El Yakhlifi, Dris Ihiawakrim, Ovidiu Ersen and Vincent Ball
Biomimetics 2018, 3(4), 36; https://doi.org/10.3390/biomimetics3040036 - 12 Nov 2018
Cited by 12 | Viewed by 5300
Abstract
Polydopamine (PDA) deposition, obtained from the oxidation of dopamine and other catecholamines, is a universal way to coat all known materials with a conformal coating which can subsequently be functionalized at will. The structural analogies between polydopamine and eumelanin, the black-brown pigment of [...] Read more.
Polydopamine (PDA) deposition, obtained from the oxidation of dopamine and other catecholamines, is a universal way to coat all known materials with a conformal coating which can subsequently be functionalized at will. The structural analogies between polydopamine and eumelanin, the black-brown pigment of the skin, were incited to produce stable polydopamine nanoparticles in solution, instead of amorphous precipitates obtained from the oxidation of dopamine. Herein, we demonstrate that size-controlled and colloidally stable PDA-based nanoparticles can be obtained in acidic conditions, where spontaneous auto-oxidation of dopamine is suppressed, using sodium periodate as the oxidant and a protein, like alkaline phosphatase (ALP), as a templating agent. The size of the PDA@ALP nanoparticles depends on the dopamine/enzyme ratio and the obtained particles display enzymatic activity of alkaline phosphatase, with an activity extending up to two weeks after particle synthesis. The PDA@ALP nanoparticles can be engineered in polyelectrolyte multilayered films to potentially design model biosensors. Full article
(This article belongs to the Special Issue Selected Papers from NanoTech Poland 2018 and 1st Symposium on Polydopamine)
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11 pages, 4075 KiB  
Article
The Chemistry of Polydopamine Film Formation: The Amine-Quinone Interplay
by Maria Laura Alfieri, Lucia Panzella, Stefano Luigi Oscurato, Marcella Salvatore, Roberto Avolio, Maria Emanuela Errico, Pasqualino Maddalena, Alessandra Napolitano and Marco D’Ischia
Biomimetics 2018, 3(3), 26; https://doi.org/10.3390/biomimetics3030026 - 13 Sep 2018
Cited by 97 | Viewed by 8887
Abstract
Despite extensive investigations over the past decade, the chemical basis of the extraordinary underwater adhesion properties of polydopamine (PDA) has remained not entirely understood. The bulk of evidence points to PDA wet adhesion as a complex process based on film deposition, and growth [...] Read more.
Despite extensive investigations over the past decade, the chemical basis of the extraordinary underwater adhesion properties of polydopamine (PDA) has remained not entirely understood. The bulk of evidence points to PDA wet adhesion as a complex process based on film deposition, and growth in which primary amine groups, besides catechol moieties, play a central role. However, the detailed interplay of chemical interactions underlying the dynamics of film formation has not yet been elucidated. Herein, we report the results of a series of experiments showing that coating formation from dopamine at pH 9.0 in carbonate buffer: (a) Requires high dopamine concentrations (>1 mM); (b) is due to species produced in the early stages of dopamine autoxidation; (c) is accelerated by equimolar amounts of periodate causing fast conversion to the o-quinone; and (d) is enhanced by the addition of hexamethylenediamine (HMDA) and other long chain aliphatic amines even at low dopamine concentrations (<1 mM). It is proposed that concentration-dependent PDA film formation reflects the competition between intermolecular amine-quinone condensation processes, leading to adhesive cross-linked oligomer structures, and the intramolecular cyclization route forming little adhesive 5,6-dihydroxyindole (DHI) units. Film growth would then be sustained by dopamine and other soluble species that can be adsorbed on the surface. Full article
(This article belongs to the Special Issue Selected Papers from NanoTech Poland 2018 and 1st Symposium on Polydopamine)
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1 pages, 179 KiB  
Erratum
Erratum: 1st Symposium on Polydopamine and NanoTech Poland 2018: Conference Report. Biomimetics 2018, 3, 37
by Radosław Mrówczyński, Marco d’Ischia, Haeshin Lee and Stefan Jurga
Biomimetics 2019, 4(1), 14; https://doi.org/10.3390/biomimetics4010014 - 7 Feb 2019
Cited by 1 | Viewed by 2418
Abstract
The authors regret that few mistakes were made in the original publication by Mrówczyński et al [...] Full article
(This article belongs to the Special Issue Selected Papers from NanoTech Poland 2018 and 1st Symposium on Polydopamine)
9 pages, 2968 KiB  
Conference Report
1st Symposium on Polydopamine and NanoTech Poland 2018: Conference Report
by Radosław Mrówczyński, Marco D’Ischia, Haeshin Lee and Stefan Jurga
Biomimetics 2018, 3(4), 37; https://doi.org/10.3390/biomimetics3040037 - 27 Nov 2018
Cited by 1 | Viewed by 4205
Abstract
The NanoTech Poland is an annual international conference with a strong scientific agenda focused on nanotechnology in energy, environment, and biomedicine. The Nanotech Poland 2018 was held at the NanoBioMedical Centre and Department of Physics at Adam Mickiewicz University in Poznań from June [...] Read more.
The NanoTech Poland is an annual international conference with a strong scientific agenda focused on nanotechnology in energy, environment, and biomedicine. The Nanotech Poland 2018 was held at the NanoBioMedical Centre and Department of Physics at Adam Mickiewicz University in Poznań from June 6th to June 9th. The aim of NanoTech Poland 2018 was to bring together the scientific community’s principal investigators, scientists, researchers, analysts, clinicians, policy makers, industry experts, and well-established and budding entrepreneurs to discuss the present and future perspectives in nanotechnology and nanoscience research and development. This year, the 1st Symposium on Polydopamine was held on June 6th. This forum was dedicated to the application of polydopamine and related catechol materials in a variety of research fields, both at the nano- and macroscale. The symposium gathered leading scientists from this important research field from top universities and institutions that have been involved in the research revolved around polydopamine. With over 200 national and international participants, NanoTech Poland 2018 and the 1st Symposium on Polydopamine provided a forum to present and discuss the latest scientific news from the field of nanotechnology with a strong interdisciplinary aspect and bioinspired materials. Full article
(This article belongs to the Special Issue Selected Papers from NanoTech Poland 2018 and 1st Symposium on Polydopamine)
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