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Special Issue "Lumino and Fluorophores—Illuminating Science and Technology"

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Photochemistry".

Deadline for manuscript submissions: 1 December 2018

Special Issue Editors

Guest Editor
Dr. Gregor Drummen

Cellular Stress and Ageing Program, Bionanoscience and Bioimaging Program, BNS, 33647 Bielefeld, Germany
E-Mail
Interests: quantum dots; bionanotechnology; two-photon fluorescence imaging; cellular imaging; fluorescence microscopy; cancer; cell signaling; oxidative stress; lipids and biomembranes; lipid peroxidation; antioxidants; renal pathobiology; extracellular vesicles; Super-resolution microscopy
Guest Editor
Dr. Hellen Ishikawa-Ankerhold

Walter Brendel Centre of Experimental Medicine, Department of Cardiology, Ludwig Maximilian University of Munich, Marchioninistraße 27, D-81377 München, Germany
E-Mail
Interests: multiphoton microscopy; intravital microscopy; confocal and super-resolution microscopy; fluorescent probes; Leukocyte Trafficking; atherosclerosis; inflammation; hematopoiesis and cytoskeleton proteins

Special Issue Information

Dear Colleagues,

Ever since the invention of lenses, man has, not only looked into the skies, but also into the realm of the invisible microscopic world of tissues, cells, and micro-organisms. The use of fluorescent labels and the development of various forms of optical microscopy, in particular confocal laser scanning microscopy (CLSM), have significantly advanced our knowledge about the basic mechanisms underpinning biology and the pathophysiological processes that lead to disease. Furthermore, fluorescence-based assays have largely replaced radioactive assays in the lab. In addition, luminescent compounds and particles have enriched various technologies, including display technology, optoelectronics, solar devices, and optical storage.

It is intended that this Special Issue will consider fundamental physicochemical properties, synthesis and modification, biomedical, imaging and assay applications of luminescent compounds and fluorophores, from organic dyes to fluorescent nanoparticles and fluorescent proteins. In this respect, it should be stressed that the luminescent/fluorescent compound always takes centre stage. Previously unpublished experimental, theoretical, prospective, historical, and review papers are solicited on the related topics.

Dr. Gregor Drummen
Dr. Hellen Ishikawa-Ankerhold
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 papers will be 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. Molecules 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 1800 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

  • Synthesis and modification of fluorophores
  • Physico-chemical and fluorescent properties
  • Biocompatibility and cytotoxicity
  • Live-cell tracking and imaging
  • Whole animal imaging
  • FRET, FLIM, FRAP, FLIP et al
  • Applications in cell biology and (bio)medicine
  • Fluorescence-based assays and biosensors
  • Nanotechnology
  • Optoelectronics
  • Solar devices

Published Papers (2 papers)

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Research

Open AccessArticle Unprecedented Fluorescent Dinuclear CoII and ZnII Coordination Compounds with a Symmetric Bis(salamo)-Like Tetraoxime
Molecules 2018, 23(5), 1141; https://doi.org/10.3390/molecules23051141
Received: 31 March 2018 / Revised: 2 May 2018 / Accepted: 8 May 2018 / Published: 10 May 2018
PDF Full-text (4443 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
Two unprecedented homometallic CoII and ZnII coordination compounds, [M2(L)(OCH3)][M2(L)(OAc)] (MII = CoII (1) and ZnII (2)), with a novel symmetric bis(salamo)-like tetraoxime ligand H3L were synthesized
[...] Read more.
Two unprecedented homometallic CoII and ZnII coordination compounds, [M2(L)(OCH3)][M2(L)(OAc)] (MII = CoII (1) and ZnII (2)), with a novel symmetric bis(salamo)-like tetraoxime ligand H3L were synthesized and characterized by elemental analyses, infrafred (IR), ultraviolet–visible spectroscopy (UV-Vis), fluorescent spectra and single-crystal X-ray diffraction analyses. The unit cell of the two coordination compounds contains two crystallographically and chemically independent dinuclear coordination compounds. In the two coordination compounds, three metal ions are five-coordinated, formed two square pyramidal and a trigonal bipyramidal geometries, and the other metal ion is a hexacoordinate octahedral configuration. In addition, the coordination compound 1 forms a 3D supramolecular structure, and the coordination compound 2 forms a 0D dimer structure by the inter-molecular hydrogen bond interactions. Meanwhile, the fluorescence spectra of the coordination compounds 1 and 2 were also measured and discussed. Full article
(This article belongs to the Special Issue Lumino and Fluorophores—Illuminating Science and Technology)
Figures

Graphical abstract

Open AccessArticle Synthesis and Fluorescence Properties of Structurally Characterized Heterobimetalic Cu(II)–Na(I) Bis(salamo)-Based Complex Bearing Square Planar, Square Pyramid and Triangular Prism Geometries of Metal Centers
Molecules 2018, 23(5), 1006; https://doi.org/10.3390/molecules23051006
Received: 27 March 2018 / Revised: 20 April 2018 / Accepted: 23 April 2018 / Published: 25 April 2018
PDF Full-text (2346 KB) | HTML Full-text | XML Full-text
Abstract
A novel heterotrinuclear complex [Cu2(L)Na(µ-NO3)]∙CH3OH∙CHCl3 derived from a symmetric bis(salamo)-type tetraoxime H4L having a naphthalenediol unit, was prepared and structurally characterized via means of elemental analyses, UV-Vis, FT-IR, fluorescent spectra and single-crystal
[...] Read more.
A novel heterotrinuclear complex [Cu2(L)Na(µ-NO3)]∙CH3OH∙CHCl3 derived from a symmetric bis(salamo)-type tetraoxime H4L having a naphthalenediol unit, was prepared and structurally characterized via means of elemental analyses, UV-Vis, FT-IR, fluorescent spectra and single-crystal X-ray diffraction. The heterobimetallic Cu(II)–Na(I) complex was acquired via the reaction of H4L with 2 equivalents of Cu(NO3)2·2H2O and 1 equivalent of NaOAc. Clearly, the heterotrinuclear Cu(II)–Na(I) complex has a 1:2:1 ligand-to-metal (Cu(II) and Na(I)) ratio. X-ray diffraction results exhibited the different geometric behaviors of the Na(I) and Cu(II) atoms in the heterotrinuclear complex; the both Cu(II) atoms are sited in the N2O2 coordination environments of fully deprotonated (L)4− unit. One Cu(II) atom (Cu1) is five-coordinated and possesses a geometry of slightly distorted square pyramid, while another Cu(II) atom (Cu2) is four-coordination possessing a square planar coordination geometry. Moreover, the Na(I) atom is in the O6 cavity and adopts seven-coordination with a geometry of slightly distorted single triangular prism. In addition, there are abundant supramolecular interactions in the Cu(II)–Na(I) complex. The fluorescence spectra showed the Cu(II)–Na(I) complex possesses a significant fluorescent quenching and exhibited a hypsochromic-shift compared with the ligand H4L. Full article
(This article belongs to the Special Issue Lumino and Fluorophores—Illuminating Science and Technology)
Figures

Figure 1

Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Type: Review paper
Title: SEMICONDUCTING FLUOROPHORES in the LIFE SCIENCE
Authors: Sołoducho, J., Zając, D., Cabaj, J.
Affiliation: Wroclaw University of Science and Technology, Faculty of Chemistry, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland; jadwiga.soloducho@pwr.edu.pl
Abstract: The development of fluorescence imaging techniques has provided effective research tools to investigate many fundamental processes in the life sciences. Organic fluorophores have been widely used i.e. in biological imaging in the visible (400−650 nm) and the first near-infrared (NIR-I, 650−900 nm) regions [1], as well as photoacoustic imaging and photothermal therapy applications [2]. Structural engineering on organic molecules can afford powerful tunability on the optical properties of the fluorophores and versatile conjugation methods with target biomolecules.
A promising strategy for generating very bright fluorescent probes is based on the development of nanoparticles consisting of highly fluorescent semiconducting polymers. There has been steady progress in creating fluorescent semiconducting polymers as the active material in polymer light-emitting devices [3]. Semiconducting polymers have also been extensively used as highly sensitive chemical and biological sensors [4]. Semiconducting polymer nanoparticles were originally developed for preparing thin films with nanoscale domains in optoelectronic devices.

text

Figure. Fluorescent materials with conducting properties

References

  1. Haque, A.; Faizi, M. S. H.; Rather, J. A.; Khan, M. S. Bioorg. Med. Chem. 2017, 25, 2017−2034.
  2. Jin, Y.; Ye, F.; Zeigler, M.; Wu, C.; Chiu, D. T. ACS Nano 2011, 5 (2), 1468−1475.
  3. Wu, H.B.; Ying, L.; Yang, W.; Cao, Y. Chem Soc Rev. 2009, 38, 3391-3400.
  4. Baluta, S.; Malecha, K.; Zając, D.; Sołoducho, J.; Cabaj, J. Sens. Actuat. B, 2017, 252, 803–812.
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