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Search for "superparamagnetic iron oxide nanoparticles" in Full Text gives 36 result(s) in Beilstein Journal of Nanotechnology.

Nanomedicines against Chagas disease: a critical review

  • Maria Jose Morilla,
  • Kajal Ghosal and
  • Eder Lilia Romero

Beilstein J. Nanotechnol. 2024, 15, 333–349, doi:10.3762/bjnano.15.30

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  • also includes cancer imaging and diagnosis such as the MRI imaging agent Resovist, carboxydextran-coated superparamagnetic iron oxide nanoparticles approved for liver contrast-enhanced MRI102 [87]. Another 10% are nanocrystals, such as Tricor (approved in 2004) or Triglide (approved in 2005), used to
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Published 27 Mar 2024

Vinorelbine-loaded multifunctional magnetic nanoparticles as anticancer drug delivery systems: synthesis, characterization, and in vitro release study

  • Zeynep Özcan and
  • Afife Binnaz Hazar Yoruç

Beilstein J. Nanotechnol. 2024, 15, 256–269, doi:10.3762/bjnano.15.24

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  • ’ magnetization cycle, as Bloch and Neel theorized [11][13]. Superparamagnetic iron oxide nanoparticles for drug delivery, diagnosis, and cancer therapy have gained wider acceptance in biomedical applications [14]. They have received notable attention in clinical applications such as early disease diagnosis (e.g
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Published 28 Feb 2024

Nanoarchitectonics of photothermal materials to enhance the sensitivity of lateral flow assays

  • Elangovan Sarathkumar,
  • Rajasekharan S. Anjana and
  • Ramapurath S. Jayasree

Beilstein J. Nanotechnol. 2023, 14, 988–1003, doi:10.3762/bjnano.14.82

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  • photothermal properties are superparamagnetic iron oxide nanoparticles (SPIONs), which are commonly used as a magnetic hyperthermia agent. Because of the excellent absorption in the NIR region, they have been investigated also as photothermal agents [68]. Iron oxide nanoparticles have better stability and
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Published 04 Oct 2023

Green SPIONs as a novel highly selective treatment for leishmaniasis: an in vitro study against Leishmania amazonensis intracellular amastigotes

  • Brunno R. F. Verçoza,
  • Robson R. Bernardo,
  • Luiz Augusto S. de Oliveira and
  • Juliany C. F. Rodrigues

Beilstein J. Nanotechnol. 2023, 14, 893–903, doi:10.3762/bjnano.14.73

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  • The main goal of this work was to evaluate the therapeutic potential of green superparamagnetic iron oxide nanoparticles (SPIONs) produced with coconut water for treating cutaneous leishmaniasis caused by Leishmania amazonensis. Optical and electron microscopy techniques were used to evaluate the
  • effort on the search for new treatments for different diseases. Its main objective is to develop therapies with higher specificity, effectiveness, and safety, as well as less toxicity [6]. One interesting class of nanomaterials in medicine are superparamagnetic iron oxide nanoparticles (SPIONs). SPIONs
  • . It is the first time that superparamagnetic iron oxide nanoparticles SPIONs are observed inside the Leishmania spp and the parasitophorous vacuole. Chemical element mapping analysis by scanning electron microscopy confirmed the ferrous nature of the nanoparticle aggregates. These results prove the
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Published 30 Aug 2023

Recent progress in cancer cell membrane-based nanoparticles for biomedical applications

  • Qixiong Lin,
  • Yueyou Peng,
  • Yanyan Wen,
  • Xiaoqiong Li,
  • Donglian Du,
  • Weibin Dai,
  • Wei Tian and
  • Yanfeng Meng

Beilstein J. Nanotechnol. 2023, 14, 262–279, doi:10.3762/bjnano.14.24

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  • oxidation, improve biocompatibility, enhance colloidal stability, and enhance targeting), enabling the ablation of tumor tissues by thermal energy [79]. MDA-MB-231 cell membrane-coated NPs loaded with superparamagnetic iron oxide nanoparticles (SPIONs) and PTX were designed for the combination treatment of
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Published 27 Feb 2023

Theranostic potential of self-luminescent branched polyethyleneimine-coated superparamagnetic iron oxide nanoparticles

  • Rouhollah Khodadust,
  • Ozlem Unal and
  • Havva Yagci Acar

Beilstein J. Nanotechnol. 2022, 13, 82–95, doi:10.3762/bjnano.13.6

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  • luminescent polymer. Therefore, it is usually tagged with an organic fluorophore to be optically tracked. Recently, we developed branched PEI (bPEI) superparamagnetic iron oxide nanoparticles (SPION@bPEI) with blue luminescence 1200 times stronger than that of bPEI without a traditional fluorophore, due to
  • sodium; superparamagnetic iron oxide nanoparticles; Introduction Luminescent materials are of great interest in biotechnology and medicine since they can be utilized in sensors, labelling, and imaging [1][2][3][4][5]. Luminescent proteins, luminescent synthetic polymers, and quantum dots are the most
  • theranostic nanomaterials, PAMAM and PEI were frequently coupled with superparamagnetic iron oxide nanoparticles (SPIONs) for drug/gene delivery combined with magnetic resonance imaging [31][32]. Usually, these systems were conjugated with other fluorescent tags for optical detection of nanoparticles in cells
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Published 18 Jan 2022

Use of nanosystems to improve the anticancer effects of curcumin

  • Andrea M. Araya-Sibaja,
  • Norma J. Salazar-López,
  • Krissia Wilhelm Romero,
  • José R. Vega-Baudrit,
  • J. Abraham Domínguez-Avila,
  • Carlos A. Velázquez Contreras,
  • Ramón E. Robles-Zepeda,
  • Mirtha Navarro-Hoyos and
  • Gustavo A. González-Aguilar

Beilstein J. Nanotechnol. 2021, 12, 1047–1062, doi:10.3762/bjnano.12.78

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  • superparamagnetic iron oxide nanoparticles functionalized with sodium dodecyl sulfate (SDS) and coated with chitosan (40–45 nm), were able to induce apoptosis (IC50 30 µg/mL) in HeLa (cervical cancer) cells by damaging the DNA and increasing caspase-3 [136]. Curcumin-loaded, pH-sensitive Janus magnetic mesoporous
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Published 15 Sep 2021

Comprehensive review on ultrasound-responsive theranostic nanomaterials: mechanisms, structures and medical applications

  • Sepand Tehrani Fateh,
  • Lida Moradi,
  • Elmira Kohan,
  • Michael R. Hamblin and
  • Amin Shiralizadeh Dezfuli

Beilstein J. Nanotechnol. 2021, 12, 808–862, doi:10.3762/bjnano.12.64

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  • ]. Various nanostructures have been developed for free radical generation under US irradiation. A novel nanostructure was constructed based on a BNN-type NO-releasing molecule and superparamagnetic iron oxide nanoparticles (SPION)-encapsulated mesoporous silica NPs (MSN) which could generate NO free radicals
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Published 11 Aug 2021

Recent progress in magnetic applications for micro- and nanorobots

  • Ke Xu,
  • Shuang Xu and
  • Fanan Wei

Beilstein J. Nanotechnol. 2021, 12, 744–755, doi:10.3762/bjnano.12.58

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  • field of biomedicine. Ceylan et al. [42] also used superparamagnetic nanoparticles to explore 3D-printed biodegradable [17][24] microrobots. These robots could be used for theranostic cargo delivery and release. Embedding superparamagnetic iron oxide nanoparticles [43] in the form of nanocomposites into
  • . The structure provided the magnetic torque of motion through biologically functionalized superparamagnetic iron oxide nanoparticles and environmentally responsive microswimmers of 3D-printed nanocomposite magnetic precursors. Due to the characteristics of the double helix, the rotational motion and
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Published 19 Jul 2021

Differences in surface chemistry of iron oxide nanoparticles result in different routes of internalization

  • Barbora Svitkova,
  • Vlasta Zavisova,
  • Veronika Nemethova,
  • Martina Koneracka,
  • Miroslava Kretova,
  • Filip Razga,
  • Monika Ursinyova and
  • Alena Gabelova

Beilstein J. Nanotechnol. 2021, 12, 270–281, doi:10.3762/bjnano.12.22

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  • A549 cells to the same extent as BSA-SO-MNPs, even though their hydrodynamic particle size was more than five times larger [44]. A less efficient uptake of BSA-coated MNPs compared to PEG-coated MNPs has been observed also in primary murine podocytes [45]. Superparamagnetic iron oxide nanoparticles
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Published 23 Mar 2021

Antimicrobial metal-based nanoparticles: a review on their synthesis, types and antimicrobial action

  • Matías Guerrero Correa,
  • Fernanda B. Martínez,
  • Cristian Patiño Vidal,
  • Camilo Streitt,
  • Juan Escrig and
  • Carol Lopez de Dicastillo

Beilstein J. Nanotechnol. 2020, 11, 1450–1469, doi:10.3762/bjnano.11.129

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  • agents. Although the most studied nanoparticles with antimicrobial properties are metallic or metal-oxide nanoparticles, other types of nanoparticles, such as superparamagnetic iron-oxide nanoparticles and silica-releasing systems also exhibit antimicrobial properties. Finally, since the quantification
  • modification, intrinsic properties and the type of targeted microorganism [18]. A special category of metallic NPs is superparamagnetic iron-oxide nanoparticles (SPIONs) (e.g., magnetite (Fe3O4) and maghemite (γ-Fe2O3) NPs) whose antimicrobial activity increases upon the application of an external magnetic
  • antimicrobial studies revealed good antimicrobial activity against E. coli, S. flexneri, and S. aureus cells [123]. Superparamagnetic iron-oxide nanoparticles Superparamagnetic iron oxide nanoparticles are a special class of metal-oxide NPs with magnetic properties and excellent biocompatibility. Their shape
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Published 25 Sep 2020

Transient coating of γ-Fe2O3 nanoparticles with glutamate for its delivery to and removal from brain nerve terminals

  • Konstantin Paliienko,
  • Artem Pastukhov,
  • Michal Babič,
  • Daniel Horák,
  • Olga Vasylchenko and
  • Tatiana Borisova

Beilstein J. Nanotechnol. 2020, 11, 1381–1393, doi:10.3762/bjnano.11.122

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  • due to their magnetism and chemical stability [9][10][11][12][13]. Among a variety of other nanoparticles, superparamagnetic iron oxide nanoparticles are used for magnetic resonance imaging in cancer theranostics and magnetic hyperthermia [9][10][11][14]. Controlled magnetic fields can lead to induced
  • their instability in biological media where the nanoparticles may lose their biological coating [19]. The organic/inorganic agents form a shell (1–5 nm thick) around superparamagnetic iron oxide nanoparticles interacting with their surface functional groups [14]. Sousa et al. studied the chemisorption
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Published 10 Sep 2020

Applications of superparamagnetic iron oxide nanoparticles in drug and therapeutic delivery, and biotechnological advancements

  • Maria Suciu,
  • Corina M. Ionescu,
  • Alexandra Ciorita,
  • Septimiu C. Tripon,
  • Dragos Nica,
  • Hani Al-Salami and
  • Lucian Barbu-Tudoran

Beilstein J. Nanotechnol. 2020, 11, 1092–1109, doi:10.3762/bjnano.11.94

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  • .11.94 Abstract Superparamagnetic iron oxide nanoparticles (SPIONs) have unique properties with regard to biological and medical applications. SPIONs have been used in clinical settings although their safety of use remains unclear due to the great differences in their structure and in intra- and inter
  • therapeutic efficacy, and safety studies. Keywords: drug delivery; drug targeting; endocytosis; medical; nanoparticles; superparamagnetic iron oxide nanoparticles (SPIONs); toxicity; Introduction Nanoencapsulation technologies have been researched over the past several decades and have been widely
  • magnetic resonance imaging (MRI) (for more on this topic consult [11][12][13][14]). Among the abovementioned nanoscience products, iron oxide nanoparticles, especially superparamagnetic iron oxide nanoparticles (SPIONs) hold a lot of promise in many domains, not only regarding biology [15]. SPIONs consist
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Published 27 Jul 2020

Key for crossing the BBB with nanoparticles: the rational design

  • Sonia M. Lombardo,
  • Marc Schneider,
  • Akif E. Türeli and
  • Nazende Günday Türeli

Beilstein J. Nanotechnol. 2020, 11, 866–883, doi:10.3762/bjnano.11.72

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  • nanoparticles (AuNPs); blood–brain barrier (BBB); drug delivery; liposomes; nanomedicine; polymeric nanoparticles; solid lipid nanoparticles; superparamagnetic iron oxide nanoparticles (SPIONs); Introduction Neurological disorders and brain diseases are real burdens for modern societies and healthcare systems
  • (e.g., human serum albumin) [28], gold nanoparticles [29] and superparamagnetic iron oxide nanoparticles [30]. This review aims to summarize (i) the different pathways to cross the BBB, (ii) the strategies that can be employed to increase nanoparticle BBB permeation without disrupting the BBB, as well
  • in non-neurogenic regions. Disruption of the BBB by NIR light irradiation of AuNRs increased the AuNRs ability to accumulate in the SVZ, making this formulation interesting for targeting neural stem cells. Superparamagnetic iron oxide nanoparticles: Superparamagnetic iron oxide nanoparticles (SPIONs
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Published 04 Jun 2020

Luminescent gold nanoclusters for bioimaging applications

  • Nonappa

Beilstein J. Nanotechnol. 2020, 11, 533–546, doi:10.3762/bjnano.11.42

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  • –nanocluster agglomerates as luminescent nanocarriers for imaging and combination therapy [89][90]. Core–shell nanoparticles consisting of oleic acid-capped superparamagnetic iron oxide nanoparticles (IONPs, d = 6.7 ± 1.2 nm) were used (Figure 5A). The IONPs were subsequently coated with a gold shell using the
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Published 30 Mar 2020

Targeted therapeutic effect against the breast cancer cell line MCF-7 with a CuFe2O4/silica/cisplatin nanocomposite formulation

  • B. Rabindran Jermy,
  • Vijaya Ravinayagam,
  • Widyan A. Alamoudi,
  • Dana Almohazey,
  • Hatim Dafalla,
  • Lina Hussain Allehaibi,
  • Abdulhadi Baykal,
  • Muhammet S. Toprak and
  • Thirunavukkarasu Somanathan

Beilstein J. Nanotechnol. 2019, 10, 2217–2228, doi:10.3762/bjnano.10.214

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  • (magnetic resonance imaging), tissue repair, and thermal ablation have been gaining considerable attention in recent years. In particular, the use of superparamagnetic iron oxide nanoparticles (SPIONs) is now advantageous as they are FDA-approved for clinical use [2]. Magnetic Fe3O4-based mesoporous silica
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Published 12 Nov 2019

Nitrogen-vacancy centers in diamond for nanoscale magnetic resonance imaging applications

  • Alberto Boretti,
  • Lorenzo Rosa,
  • Jonathan Blackledge and
  • Stefania Castelletto

Beilstein J. Nanotechnol. 2019, 10, 2128–2151, doi:10.3762/bjnano.10.207

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Published 04 Nov 2019

Microbubbles decorated with dendronized magnetic nanoparticles for biomedical imaging: effective stabilization via fluorous interactions

  • Da Shi,
  • Justine Wallyn,
  • Dinh-Vu Nguyen,
  • Francis Perton,
  • Delphine Felder-Flesch,
  • Sylvie Bégin-Colin,
  • Mounir Maaloum and
  • Marie Pierre Krafft

Beilstein J. Nanotechnol. 2019, 10, 2103–2115, doi:10.3762/bjnano.10.205

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  • MBs that incorporate IONPs are often made of polymers. For example, ultrasmall superparamagnetic iron oxide nanoparticles were embedded in the wall of poly(butyl cyanoacrylate)-based MBs, allowing the blood‒brain barrier penetration to be monitored [23]. Soft-shell colloids called lipospheres have
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Published 31 Oct 2019

Engineered superparamagnetic iron oxide nanoparticles (SPIONs) for dual-modality imaging of intracranial glioblastoma via EGFRvIII targeting

  • Xianping Liu,
  • Chengjuan Du,
  • Haichun Li,
  • Ting Jiang,
  • Zimiao Luo,
  • Zhiqing Pang,
  • Daoying Geng and
  • Jun Zhang

Beilstein J. Nanotechnol. 2019, 10, 1860–1872, doi:10.3762/bjnano.10.181

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  • Education, 826 Zhangheng Road, Shanghai 201203, China 10.3762/bjnano.10.181 Abstract In this work, a peptide-modified, biodegradable, nontoxic, brain-tumor-targeting nanoprobe based on superparamagnetic iron oxide nanoparticles (SPIONs) (which have been commonly used as T2-weighted magnetic resonance (MR
  • imaging (MRI); molecular imaging; superparamagnetic iron oxide nanoparticles (SPIONs); nanomedicine; tumor resection; Introduction Tumor resection is one of the most promising clinical treatments of glioblastoma, which is commonly associated with high mortality and inevitable tumor recurrence. To achieve
  • , gadolinium (Gd)-based agents (often Gd-diethylenetriaminepentaacetic acid (DTPA)) and superparamagnetic iron oxide nanoparticles (SPIONs) are the paramagnetic materials generally used as contrast agents to impact the relaxation time T1 or T2, thus generating bright or dark images via MR imaging. Gd-DTPA, as
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Published 11 Sep 2019

Photoactive nanoarchitectures based on clays incorporating TiO2 and ZnO nanoparticles

  • Eduardo Ruiz-Hitzky,
  • Pilar Aranda,
  • Marwa Akkari,
  • Nithima Khaorapapong and
  • Makoto Ogawa

Beilstein J. Nanotechnol. 2019, 10, 1140–1156, doi:10.3762/bjnano.10.114

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  • ][132]. The incorporation of various types of NPs using neat clay and applying a two-step synthesis has been reported. A recent example of this refers to the incorporation of ZnO nanoparticles to a Fe3O4-sepiolite nanoarchitecture previously prepared by in situ formation of superparamagnetic iron-oxide
  • nanoparticles on the external surface of sepiolite fibres. The resulting ZnO–Fe3O4@sepiolite nanoarchitecture exhibits photoactivity due to the ZnO NPs, and the presence of magnetite NPs facilitates the recovery by the use of a magnet (Figure 4) [133]. Moreover, the presence of iron oxide could be useful also
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Published 31 May 2019

Scavenging of reactive oxygen species by phenolic compound-modified maghemite nanoparticles

  • Małgorzata Świętek,
  • Yi-Chin Lu,
  • Rafał Konefał,
  • Liliana P. Ferreira,
  • M. Margarida Cruz,
  • Yunn-Hwa Ma and
  • Daniel Horák

Beilstein J. Nanotechnol. 2019, 10, 1073–1088, doi:10.3762/bjnano.10.108

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  • conjugation via esterification or amidation, and free-radical grafting [16]. The aim of this work was to design and fabricate superparamagnetic iron oxide nanoparticles with antioxidant properties. Positively charged γ-Fe2O3 nanoparticles were synthesized through co-precipitation, and their surface was
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Published 20 May 2019

Influence of dielectric layer thickness and roughness on topographic effects in magnetic force microscopy

  • Alexander Krivcov,
  • Jasmin Ehrler,
  • Marc Fuhrmann,
  • Tanja Junkers and
  • Hildegard Möbius

Beilstein J. Nanotechnol. 2019, 10, 1056–1064, doi:10.3762/bjnano.10.106

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  • overlapped by additional forces acting on the tip such as electrostatic forces. In this work the possibility to reduce capacitive coupling effects between tip and substrate is discussed in relation to the thickness of a dielectric layer introduced in the system. Single superparamagnetic iron oxide
  • nanoparticles (SPIONs) are used as a model system, because their magnetic signal is contrariwise to the signal due to capacitive coupling so that it is possible to distinguish between magnetic and electric force contributions. Introducing a dielectric layer between substrate and nanoparticle the capacitive
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Published 17 May 2019

Magnetic field-assisted assembly of iron oxide mesocrystals: a matter of nanoparticle shape and magnetic anisotropy

  • Julian J. Brunner,
  • Marina Krumova,
  • Helmut Cölfen and
  • Elena V. Sturm (née Rosseeva)

Beilstein J. Nanotechnol. 2019, 10, 894–900, doi:10.3762/bjnano.10.90

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  • presented a way to form “directed mesocrystals” from superparamagnetic iron oxide nanoparticles using a homogeneous magnetic field. These directed mesocrystals are elongated along the magnetic field and their structure differs from regular self-assembled mesocrystals produced under the same conditions but
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Published 17 Apr 2019

Cytotoxicity of doxorubicin-conjugated poly[N-(2-hydroxypropyl)methacrylamide]-modified γ-Fe2O3 nanoparticles towards human tumor cells

  • Zdeněk Plichta,
  • Yulia Kozak,
  • Rostyslav Panchuk,
  • Viktoria Sokolova,
  • Matthias Epple,
  • Lesya Kobylinska,
  • Pavla Jendelová and
  • Daniel Horák

Beilstein J. Nanotechnol. 2018, 9, 2533–2545, doi:10.3762/bjnano.9.236

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  • toxicity [5][6]. Superparamagnetic iron oxide nanoparticles with well-defined sizes, morphologies and surface are extremely useful in many different areas, in particular in biomedicine. As drug-delivery vehicles, such particles offer significant advantages compared to conventional drug formulations [7][8
  • (HPMA-MMAA)-Dox) and compared to control (Figure 11). Both free Dox and γ-Fe2O3@P(HPMA-MMAA)-Dox nanoparticles induced cell death as documented by an increased number of dead cells and decreased number of live cells (Figure 11). Conclusion Superparamagnetic iron oxide nanoparticles can be manipulated
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Published 25 Sep 2018

Surface characterization of nanoparticles using near-field light scattering

  • Eunsoo Yoo,
  • Yizhong Liu,
  • Chukwuazam A. Nwasike,
  • Sebastian R. Freeman,
  • Brian C. DiPaolo,
  • Bernardo Cordovez and
  • Amber L. Doiron

Beilstein J. Nanotechnol. 2018, 9, 1228–1238, doi:10.3762/bjnano.9.114

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  • )-coated superparamagnetic iron oxide nanoparticles (PEG-SPIOs) with the synthetic pseudotannin polygallol via interpolymer complexation (IPC). Changes in particle size and zeta potential were indirectly assessed via differences between PEG-SPIOs and IPC-SPIOs in particle velocity and scattering intensity
  • , namely uncoated superparamagnetic iron oxide nanoparticles, polyethylene glycol-coated superparamagnetic iron oxide nanoparticles, and interpolymer complex-superparamagnetic iron oxide nanoparticles, were studied for changes in collective size and surface properties using an analysis of particle velocity
  • on the waveguide. Superparamagnetic iron oxide nanoparticles (SPIOs) have been extensively studied due to their unique chemical, physical, thermal, and mechanical applications in areas such as cell labeling, tissue repair, drug delivery, magnetic resonance (MR) contrast, and hyperthermia [25][26][27
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Published 18 Apr 2018
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