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Search for "photodynamic therapy" in Full Text gives 39 result(s) in Beilstein Journal of Nanotechnology.

Tungsten disulfide-based nanocomposites for photothermal therapy

  • Tzuriel Levin,
  • Hagit Sade,
  • Rina Ben-Shabbat Binyamini,
  • Maayan Pour,
  • Iftach Nachman and
  • Jean-Paul Lellouche

Beilstein J. Nanotechnol. 2019, 10, 811–822, doi:10.3762/bjnano.10.81

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  • irradiation in two wavelengths. Another way is the attachment of a photodynamic therapy (PDT) agent. In this preliminary work, we used WS2-NTs with a wide size distribution range. A very important step for future research, required prior to in vivo trials, is to use nanotubes in a narrower size range
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Published 02 Apr 2019

The nanoscaled metal-organic framework ICR-2 as a carrier of porphyrins for photodynamic therapy

  • Jan Hynek,
  • Sebastian Jurík,
  • Martina Koncošová,
  • Jaroslav Zelenka,
  • Ivana Křížová,
  • Tomáš Ruml,
  • Kaplan Kirakci,
  • Ivo Jakubec,
  • František Kovanda,
  • Kamil Lang and
  • Jan Demel

Beilstein J. Nanotechnol. 2018, 9, 2960–2967, doi:10.3762/bjnano.9.275

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  • substituent at the porphyrin phosphinate groups. Thus, phosphinatophenylporphyrin with phenyl substituents has the strongest photodynamic efficacy due to the most efficient cellular uptake. Keywords: metal-organic framework; phosphinic acid based MOF; photodynamic therapy; porphyrin; singlet oxygen
  • ]. Singlet oxygen is a short-lived, highly oxidative species with bactericidal and virucidal properties [6]. The cytotoxic effect can be intentionally employed in anticancer treatment in the form of photodynamic therapy (PDT) [7][8]. The most commonly utilised photosensitizers in PDT are porphyrins or
  • identical conditions (e.g., irradiation wavelength, time, dose). We can compare the activity of nanoICR-2/TPPPi(Ph) with the activity of previously studied PCN-222 nanoparticles where both systems display comparable activity [22]. Conclusion In the context of photodynamic therapy, we present composite
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Published 30 Nov 2018

Green synthesis of fluorescent carbon dots from spices for in vitro imaging and tumour cell growth inhibition

  • Nagamalai Vasimalai,
  • Vânia Vilas-Boas,
  • Juan Gallo,
  • María de Fátima Cerqueira,
  • Mario Menéndez-Miranda,
  • José Manuel Costa-Fernández,
  • Lorena Diéguez,
  • Begoña Espiña and
  • María Teresa Fernández-Argüelles

Beilstein J. Nanotechnol. 2018, 9, 530–544, doi:10.3762/bjnano.9.51

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  • concerning C-dots. This information would allow for a better comprehension of how the C-dots interact with cancerous and non-cancerous cells with a selective cytotoxic effect, and more applications, including photodynamic therapy, could be devised. Finally, results from the experiments allow us to
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Published 13 Feb 2018

Synthesis and functionalization of NaGdF4:Yb,Er@NaGdF4 core–shell nanoparticles for possible application as multimodal contrast agents

  • Dovile Baziulyte-Paulaviciene,
  • Vitalijus Karabanovas,
  • Marius Stasys,
  • Greta Jarockyte,
  • Vilius Poderys,
  • Simas Sakirzanovas and
  • Ricardas Rotomskis

Beilstein J. Nanotechnol. 2017, 8, 1815–1824, doi:10.3762/bjnano.8.183

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  • stability, high resistance to photobleaching, and long emission lifetime [2][3]. As a unique class of luminescent phosphors, UCNPs show great promise in a broad range of applications ranging from bioimaging, biosensors, drug delivery, to photodynamic therapy [4][5][6][7][8]. Through combination with
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Published 01 Sep 2017

A nanocomplex of C60 fullerene with cisplatin: design, characterization and toxicity

  • Svitlana Prylutska,
  • Svitlana Politenkova,
  • Kateryna Afanasieva,
  • Volodymyr Korolovych,
  • Kateryna Bogutska,
  • Andriy Sivolob,
  • Larysa Skivka,
  • Maxim Evstigneev,
  • Viktor Kostjukov,
  • Yuriy Prylutskyy and
  • Uwe Ritter

Beilstein J. Nanotechnol. 2017, 8, 1494–1501, doi:10.3762/bjnano.8.149

Graphical Abstract
  • ][18], including combination chemotherapy [19] and photodynamic therapy [20][21][22]. They are also applied for the targeted delivery of drugs into tumor cells [23][24][25]. However, there are several conflicting reports in the literature regarding the genotoxicity of C60 fullerene [26]. Thus, a strong
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Published 20 Jul 2017

Nano-engineered skin mesenchymal stem cells: potential vehicles for tumour-targeted quantum-dot delivery

  • Liga Saulite,
  • Dominyka Dapkute,
  • Karlis Pleiko,
  • Ineta Popena,
  • Simona Steponkiene,
  • Ricardas Rotomskis and
  • Una Riekstina

Beilstein J. Nanotechnol. 2017, 8, 1218–1230, doi:10.3762/bjnano.8.123

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  • NPs and act synergistically [13][14]. QDs were also chosen for their applicability as resonant energy donors in photodynamic therapy. For example, the second-generation photosensitizer chlorin e6 has the absorption band at 654 nm and carboxyl QD655 would be excellent energy donors in such complexes
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Published 07 Jun 2017

Dispersion of single-wall carbon nanotubes with supramolecular Congo red – properties of the complexes and mechanism of the interaction

  • Anna Jagusiak,
  • Barbara Piekarska,
  • Tomasz Pańczyk,
  • Małgorzata Jemioła-Rzemińska,
  • Elżbieta Bielańska,
  • Barbara Stopa,
  • Grzegorz Zemanek,
  • Janina Rybarska,
  • Irena Roterman and
  • Leszek Konieczny

Beilstein J. Nanotechnol. 2017, 8, 636–648, doi:10.3762/bjnano.8.68

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  • to the diseased tissue. Lipophilic SWNTs can easily penetrate through cellular membranes. CNTs are characterized by high mechanical strength and heat conductibility and their magnetic and optical properties may be the basis of their simultaneous use as drug carriers and sensitizers in photodynamic
  • therapy. The aim of our studies is to explain whether CR-functionalized SWNTs could be used as drug delivery systems. Molecular dynamics study of SWNT–CR interactions has already been published [39]. These authors studied several combinations of parameters in order to assess how the SWNT diameter and CR
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Published 16 Mar 2017

The influence of phthalocyanine aggregation in complexes with CdSe/ZnS quantum dots on the photophysical properties of the complexes

  • Irina V. Martynenko,
  • Anna O. Orlova,
  • Vladimir G. Maslov,
  • Anatoly V. Fedorov,
  • Kevin Berwick and
  • Alexander V. Baranov

Beilstein J. Nanotechnol. 2016, 7, 1018–1027, doi:10.3762/bjnano.7.94

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  • confirmed by steady-state absorption and photoluminescent spectroscopy. A corresponding physical model was developed that describes well the experimental data. The results can be used at designing of QD/molecule systems with the desired spatial arrangement for photodynamic therapy. Keywords: aggregation
  • tetrapyrrole molecules were of great interest due to their diverse application in many fields ranging from latest third generation solar cells [1][2][3] to photodynamic therapy (PDT) [4][5][6][7][8][9][10]. Currently, practically all PDT drugs are based on tetrapyrrole molecules. In the PDT process
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Published 13 Jul 2016

Hierarchical coassembly of DNA–triptycene hybrid molecular building blocks and zinc protoporphyrin IX

  • Rina Kumari,
  • Sumit Singh,
  • Mohan Monisha,
  • Sourav Bhowmick,
  • Anindya Roy,
  • Neeladri Das and
  • Prolay Das

Beilstein J. Nanotechnol. 2016, 7, 697–707, doi:10.3762/bjnano.7.62

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  • average turn per base of DNA and the constituents of the system resulting from conformational strain. Catalytic activity of composite DNA nanostructures Considerable research efforts in the direction of controlled and improved ROS generation are being conducted for application in photodynamic therapy (PDT
  • block of the nanofibers. A notable change in photocatalytic efficiency of Zn PpIX was observed when it was inside the TPA–DNA scaffold. The significant increase in ROS generation by Zn PpIX when trapped in this biocompatible DNA–TPA hybrid nanofiber may be an effective tool to explore photodynamic
  • therapy (PDT) applications as well as photocatalytic reactions. Keywords: DNA nanostructure; DNA–organic hybrid; DNA self-assembly; 2,6,14-triptycenetripropiolic acid; zinc protoporphyrin IX; Introduction Hybrid nanomaterials resulting from the covalent conjugation of DNA with organic molecules [1][2][3
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Published 12 May 2016

Silica-coated upconversion lanthanide nanoparticles: The effect of crystal design on morphology, structure and optical properties

  • Uliana Kostiv,
  • Miroslav Šlouf,
  • Hana Macková,
  • Alexander Zhigunov,
  • Hana Engstová,
  • Katarína Smolková,
  • Petr Ježek and
  • Daniel Horák

Beilstein J. Nanotechnol. 2015, 6, 2290–2299, doi:10.3762/bjnano.6.235

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  • tracking [8], bioimaging [9] and photodynamic therapy [10]. Lanthanide-doped upconversion nanoparticles emit visible light upon excitation by near-IR light (NIR). Compared with organic dyes and semiconductor quantum dots, upconversion nanoparticles have attractive chemical and optical properties, as well
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Published 03 Dec 2015

Novel ZnO:Ag nanocomposites induce significant oxidative stress in human fibroblast malignant melanoma (Ht144) cells

  • Syeda Arooj,
  • Samina Nazir,
  • Akhtar Nadhman,
  • Nafees Ahmad,
  • Bakhtiar Muhammad,
  • Ishaq Ahmad,
  • Kehkashan Mazhar and
  • Rashda Abbasi

Beilstein J. Nanotechnol. 2015, 6, 570–582, doi:10.3762/bjnano.6.59

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  • compared to ZnO NP. We were able to show that the effect of ZnO NPs was improved by the formation of ZnO:Ag nanocomposites thereby improving their cell killing ability. Daylight-photodynamic therapy can provide a basis for targeted cancer treatment. However, further studies are required to evaluate the
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Published 26 Feb 2015

Silica micro/nanospheres for theranostics: from bimodal MRI and fluorescent imaging probes to cancer therapy

  • Shanka Walia and
  • Amitabha Acharya

Beilstein J. Nanotechnol. 2015, 6, 546–558, doi:10.3762/bjnano.6.57

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  • turn proved the fact that these nanocomposites can be used for photodynamic therapy. Again, Lu et al. [61] reported the water-in-oil reverse micelle method for the fabrication of magnetic silica-coated fluorescent nanostructures. The synthesis was initiated by preparing the oleic-acid-coated iron oxide
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Published 24 Feb 2015

Energy transfer in complexes of water-soluble quantum dots and chlorin e6 molecules in different environments

  • Irina V. Martynenko,
  • Anna O. Orlova,
  • Vladimir G. Maslov,
  • Alexander V. Baranov,
  • Anatoly V. Fedorov and
  • Mikhail Artemyev

Beilstein J. Nanotechnol. 2013, 4, 895–902, doi:10.3762/bjnano.4.101

Graphical Abstract
  • investigated [1][2][3][4]. The interest in complexes based on tetrapyrrole compounds has been sparked by their ability to generate singlet oxygen [5]. The singlet oxygen is used in different applications such as photodynamic therapy, blood plasma sterilization and wastewater treatment. In QD/tetrapyrrole
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Published 13 Dec 2013
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  • colloidal form have been demonstrated to be important for bioimaging [39], sensors [40], cell photodynamic therapy [41] and biomimetic catalysis [42]. By growing porphyrin-based nanograss films directly on substrate surfaces, we expect that this new interface could be used in the fabrication of integrated
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Published 23 Nov 2011
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