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Nanomaterials, Volume 9, Issue 5

May 2019 - 148 articles

Cover Story: The self-assembly of block copolymers in aqueous solution is an important field in modern polymer science that has been extended to double hydrophilic block copolymers (DHBC) recently. We report self-assembly of a DHBC by utilizing a linear-brush polymer, namely poly(N-vinylpyrrolidone)-b-poly(oligo(ethylene glycol) methyl ether methacrylate). Moreover, non-covalent crosslinking is performed with tannic acid, which improves self-assembly and stabilizes the aggregates. The presence of aggregates is studied via cryogenic scanning electron microscopy, dynamic light scattering and analytical ultracentrifugation before and after crosslinking, clearly revealing polymer assemblies. In summary, completely hydrophilic self-assembled structures are formed in solution from fully biocompatible entities. View this paper.
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Articles (148)

  • Article
  • Open Access
30 Citations
6,642 Views
16 Pages

Poly (vinyl alcohol) (PVA) and cellulose nanocrystals (CNC) random composite mats were prepared using the electrospinning method. PVA/CNC mats were reinforced with weight concentrations of 0, 20 and 50% CNC (w/w) relative to PVA. Scanning electron mi...

  • Article
  • Open Access
45 Citations
4,956 Views
16 Pages

Enzymatic Formation of Polyaniline, Polypyrrole, and Polythiophene Nanoparticles with Embedded Glucose Oxidase

  • Natalija German,
  • Anton Popov,
  • Almira Ramanaviciene and
  • Arunas Ramanavicius

Polyaniline (PANI), polypyrrole (Ppy), and polythiophene (PTh) composite nanoparticles with embedded glucose oxidase (GOx) were formed by enzymatic polymerization of corresponding monomers (aniline, pyrrole, and thiophene). The influence of monomers...

  • Article
  • Open Access
20 Citations
5,568 Views
12 Pages

Modification of the Raman Spectra in Graphene-Based Nanofluids and Its Correlation with Thermal Properties

  • María del Rocío Rodríguez-Laguna,
  • Pedro Gómez-Romero,
  • Clivia M. Sotomayor Torres and
  • Emigdio Chavez-Angel

It is well known that by dispersing nanoparticles in a fluid, the thermal conductivity of the resulting nanofluid tends to increase with the concentration of nanoparticles. However, it is not clear what the mechanism behind this phenomenon is. Raman...

  • Article
  • Open Access
18 Citations
5,397 Views
20 Pages

In vivo Efficacy and Safety Evaluation of Lactosyl-β-cyclodextrin as a Therapeutic Agent for Hepatomegaly in Niemann-Pick Type C Disease

  • Yuki Maeda,
  • Keiichi Motoyama,
  • Rena Nishiyama,
  • Taishi Higashi,
  • Risako Onodera,
  • Hideaki Nakamura,
  • Toru Takeo,
  • Naomi Nakagata,
  • Yusei Yamada and
  • Yoichi Ishitsuka
  • + 4 authors

Niemann-Pick type C disease (NPC) is a fatal, autosomal recessive disorder, which causes excessive accumulation of free cholesterol in endolysosomes, resulting in progressive hepatomegaly and neurodegeneration. Currently, 2-hydroxypropyl-β-cyclo...

  • Article
  • Open Access
32 Citations
5,346 Views
13 Pages

The Effect of Tissue-Mimicking Phantom Compressibility on Magnetic Hyperthermia

  • Katarzyna Kaczmarek,
  • Radosław Mrówczyński,
  • Tomasz Hornowski,
  • Rafał Bielas and
  • Arkadiusz Józefczak

During hyperthermia, magnetite nanoparticles placed in an AC magnetic field become a source of heat. It has been shown that in fluid suspensions, magnetic particles move freely and generate heat easily. However, in tissues of different mechanical pro...

  • Article
  • Open Access
9 Citations
5,818 Views
10 Pages

Interlayer Difference of Bilayer-Stacked MoS2 Structure: Probing by Photoluminescence and Raman Spectroscopy

  • Xiangzhe Zhang,
  • Renyan Zhang,
  • Xiaoming Zheng,
  • Yi Zhang,
  • Xueao Zhang,
  • Chuyun Deng,
  • Shiqiao Qin and
  • Hang Yang

This work reports the interlayer difference of exciton and phonon performance between the top and bottom layer of a bilayer-stacked two-dimensional materials structure (BSS). Through photoluminescence (PL) and Raman spectroscopy, we find that, compar...

  • Article
  • Open Access
10 Citations
5,311 Views
13 Pages

Protein-based nanoparticles, as an alternative to conventional polymer-based nanoparticles, offer great advantages in biomedical applications owing to their functional and biocompatible characteristics. However, the route of fabrication towards prote...

  • Article
  • Open Access
8 Citations
3,979 Views
9 Pages

An important task in facilitating the development of thermally conducting graphene/polymer nanocomposites is to suppress the intrinsically strong intersheet π-π stacking of graphene, and thereby to improve the exfoliation and dispersion of grap...

  • Article
  • Open Access
23 Citations
5,605 Views
13 Pages

The low-power, high-performance graphene/ZnO Schottky photodiodes were demonstrated through the direct sputter-growth of ZnO onto the thermally-cleaned graphene/SiO2/Si substrate at room temperature. Prior to the growth of ZnO, a thermal treatment of...

  • Article
  • Open Access
8 Citations
4,695 Views
15 Pages

Hydrophobization of Tobacco Mosaic Virus to Control the Mineralization of Organic Templates

  • Petia Atanasova,
  • Vladimir Atanasov,
  • Lisa Wittum,
  • Alexander Southan,
  • Eunjin Choi,
  • Christina Wege,
  • Jochen Kerres,
  • Sabine Eiben and
  • Joachim Bill

The robust, anisotropic tobacco mosaic virus (TMV) provides a monodisperse particle size and defined surface chemistry. Owing to these properties, it became an excellent bio-template for the synthesis of diverse nanostructured organic/inorganic funct...

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Nanomaterials - ISSN 2079-4991