Novel hollow titanium dioxide nanospheres with antimicrobial activity against resistant bacteria

• Carol López de Dicastillo,
• Cristian Patiño,
• María José Galotto,
• Yesseny Vásquez-Martínez,
• Claudia Torrent,
• Daniela Alburquenque,
• Alejandro Pereira and
• Juan Escrig

Beilstein J. Nanotechnol. 2019, 10, 1716–1725, doi:10.3762/bjnano.10.167

• obtained from TEM images shown in Figure 3. Antimicrobial activity The improved bioactivity of nanometer-sized TiO2 particles is due to the area of contact and/or volume that is increased by reducing the particle size, specifically in this case the thickness (<100 nm), which allows greater interaction with

Multicomponent bionanocomposites based on clay nanoarchitectures for electrochemical devices

• Giulia Lo Dico,
• Bernd Wicklein,
• Lorenzo Lisuzzo,
• Giuseppe Lazzara,
• Pilar Aranda and
• Eduardo Ruiz-Hitzky

Beilstein J. Nanotechnol. 2019, 10, 1303–1315, doi:10.3762/bjnano.10.129

• immobilization via covalent bonding is essential for the preservation of the enzyme structure and bioactivity [38][58]. The presence of GOx in the lumen of HNTs was also evidenced by measuring nitrogen adsorption/desorption isotherms (Figure S7, Supporting Information File 1). Compared to pristine HNTs, a

The systemic effect of PEG-nGO-induced oxidative stress in vivo in a rodent model

• Qura Tul Ain,
• Samina Hyder Haq,
• Abeer Alshammari,
• Moudhi Abdullah Al-Mutlaq and
• Muhammad Naeem Anjum

Beilstein J. Nanotechnol. 2019, 10, 901–911, doi:10.3762/bjnano.10.91

• a chitosan 3D scaffold and enhanced its bioactivity, mechanical properties, and pore formation with GO for optimal bone tissue engineering [15]. Zhang et al. improved the chemotherapy efficacy of anticancer drugs with polyethyleneimine (PEI)-grafted GO [16]. Liu et al. discussed the antibacterial

Biocompatible organic–inorganic hybrid materials based on nucleobases and titanium developed by molecular layer deposition

• Leva Momtazi,
• Henrik H. Sønsteby and
• Ola Nilsen

Beilstein J. Nanotechnol. 2019, 10, 399–411, doi:10.3762/bjnano.10.39

• combining titanium tetra-isopropoxide (TTIP) and the nucleobases thymine, uracil or adenine using the molecular layer deposition (MLD) approach. Such materials have potential as bioactive coatings, and the bioactivity of these films is described in our recent work [Momtazi, L.; Dartt, D. A.; Nilsen, O

• enables control of cell–surface interactions, which plays a major role in controlling the bioactivity of solid surfaces. Biocompatibility can be enhanced by coating the surface using various thin film deposition techniques such as chemical vapor deposition (CVD), physical vapor deposition (PVD) or atomic

• the initial 15 minutes of immersion in water, one may question the bioactivity of these films in comparison to pure TiO2. Clearly, these films obtained a lower density, amorphous structure (except for thymine deposited at 250 °C) with porous morphology, when compared to anatase TiO2. This is verified

Characterization and influence of hydroxyapatite nanopowders on living cells

• Przemyslaw Oberbek,
• Tomasz Bolek,
• Adrian Chlanda,
• Seishiro Hirano,
• Sylwia Kusnieruk,
• Julia Rogowska-Tylman,
• Ganna Nechyporenko,
• Viktor Zinchenko,
• Wojciech Swieszkowski and
• Tomasz Puzyn

Beilstein J. Nanotechnol. 2018, 9, 3079–3094, doi:10.3762/bjnano.9.286

• (OH)2) is a calcium phosphate, structurally and chemically similar to the mineral phase of human bone and teeth. Due to its high biocompatibility and bioactivity, it has been successfully applied in the manufacturing of cosmetics and hygiene products, as well as in bone-tissue engineering and

Review on nanoparticles and nanostructured materials: history, sources, toxicity and regulations

• Jaison Jeevanandam,
• Ahmed Barhoum,
• Yen S. Chan,
• Alain Dufresne and
• Michael K. Danquah

Beilstein J. Nanotechnol. 2018, 9, 1050–1074, doi:10.3762/bjnano.9.98

Characterization of ferrite nanoparticles for preparation of biocomposites

• Urszula Klekotka,
• Magdalena Rogowska,
• Dariusz Satuła and
• Beata Kalska-Szostko

Beilstein J. Nanotechnol. 2017, 8, 1257–1265, doi:10.3762/bjnano.8.127

• advantage over nonmagnetic nanopartices due to the synergy of magnetic properties of the core particles with surface bioactivity or biomolecule recognition. The described hybrid system possesses very useful magnetic properties, which can be tunable and used as manipulation tools and, at the same time

Recombinant DNA technology and click chemistry: a powerful combination for generating a hybrid elastin-like-statherin hydrogel to control calcium phosphate mineralization

• Mohamed Hamed Misbah,
• Mercedes Santos,
• Luis Quintanilla,
• Christina Günter,
• Matilde Alonso,
• Andreas Taubert and
• José Carlos Rodríguez-Cabello

Beilstein J. Nanotechnol. 2017, 8, 772–783, doi:10.3762/bjnano.8.80

• post-synthesis reactions can be performed with the ELRs. As far as polymer bioconjugation is concerned, the thermoresponsivity of ELRs could be exploited to tune the bioactivity of biological components [13][31][32][33][34]. According to this idea, the use of recombinant DNA technology [23][35] allows

Diffusion and surface alloying of gradient nanostructured metals

• Zhenbo Wang and
• Ke Lu

Beilstein J. Nanotechnol. 2017, 8, 547–560, doi:10.3762/bjnano.8.59

• amorphous titania. Furthermore, the formed titania showed an increased crystallinity and retained the nanoporous structure even after calcination at 600 °C [94]. These works indicated the possibility to improve the bioactivity of titanium bone implants and to accelerate osseointegration by introducing a

• temperatures on materials with a preformed GNS surface layer than those of the conventional treatments on CG samples, such as nitriding, boronizing, and aluminizing. In addition, some other diffusion-related properties, such as bonding strength of coating on substrate, bioactivity of Ti and Ti alloys, and

3D printing of mineral–polymer bone substitutes based on sodium alginate and calcium phosphate

• Aleksey A. Egorov,
• Alexander Yu. Fedotov,
• Anton V. Mironov,
• Vladimir S. Komlev,
• Vladimir K. Popov and
• Yury V. Zobkov

Beilstein J. Nanotechnol. 2016, 7, 1794–1799, doi:10.3762/bjnano.7.172

• strategies to improve the bioactivity of the polymer-based materials is to incorporate some inorganic phase, such as CP particles, into their structure [9][10][11]. The 3D printing of these materials is usually achieved by simple ink jet processing of a mechanical mixture of starting ingredients (mineral

Surface-enhanced infrared absorption studies towards a new optical biosensor

• Lothar Leidner,
• Julia Stäb,
• Jennifer T. Adam and
• Günter Gauglitz

Beilstein J. Nanotechnol. 2016, 7, 1736–1742, doi:10.3762/bjnano.7.166

• without the use of labels. They lack the disadvantages of fluorescence technologies such as photodegradation, loss of bioactivity or costs of labeling. An early overview in the field of direct optical sensors, including optical principles and assay formats for selective detection, is given in [3] and

Surface coating affects behavior of metallic nanoparticles in a biological environment

• Darija Domazet Jurašin,
• Marija Ćurlin,
• Ivona Capjak,
• Tea Crnković,
• Marija Lovrić,
• Michal Babič,
• Daniel Horák,
• Ivana Vinković Vrček and
• Srećko Gajović

Beilstein J. Nanotechnol. 2016, 7, 246–262, doi:10.3762/bjnano.7.23

• colloidal stability and behavior of metallic NPs in biological environment as presented in Table 4. Behavior of NPs in blood and blood plasma The implications of the PC on the bioactivity nanomaterials in vivo are enormous. Biological fluids are complex environments in which it is difficult even to predict

Nanoinformatics for environmental health and biomedicine

• Rong Liu and
• Yoram Cohen

Beilstein J. Nanotechnol. 2015, 6, 2449–2451, doi:10.3762/bjnano.6.253

• the latest related developments/applications for environmental health and biomedicine. In this Thematic Series, recent advances in the development of databases are reported. These databases represent a collection of valuable data related to the physicochemical properties and bioactivity of

Electrochemical coating of dental implants with anodic porous titania for enhanced osteointegration

• Amirreza Shayganpour,
• Alberto Rebaudi,
• Pierpaolo Cortella,
• Alberto Diaspro and
• Marco Salerno

Beilstein J. Nanotechnol. 2015, 6, 2183–2192, doi:10.3762/bjnano.6.224

• anodization of Ti by a different group [31]. The spontaneous phosphate incorporation occurring during anodization in H3PO4 is not the only form of doping that may be exploited in order to increase the possible bioactivity of the APT coating. In fact, one may explore the possibility to add different chemical

• of the fabricated APT coating with phosphate ions occurs spontaneously, which can be already considered as a biofunctionalization of the nanoporous surface. Further in situ functionalization aiming at improved bioactivity of the nanoporous surfaces may be obtained by using additive species in the

Morphological characterization of fullerene–androsterone conjugates

• Alberto Ruiz,
• Margarita Suárez,
• Nazario Martin,
• Fernando Albericio and
• Hortensia Rodríguez

Beilstein J. Nanotechnol. 2014, 5, 374–379, doi:10.3762/bjnano.5.43

• , improving its solubility and biocompatibility, thus facilitating further bioactivity studies [12]. The morphology and aggregation properties of some fullerene derivatives have been previously established. Brettreich et al., demonstrated that hexa-adducts of [60]fullerene functionalized with both hydrophobic

Nanoglasses: a new kind of noncrystalline materials

• Herbert Gleiter

Beilstein J. Nanotechnol. 2013, 4, 517–533, doi:10.3762/bjnano.4.61

• microstructure of nanoglasses on the bioactivity, hierarchically structured layers of Ti34Zr14Cu22Pd30 metallic nanoglass were created by magnetron sputtering. The cell proliferation on the surfaces of these materials was studied by seeding ten thousand osteoblasts on the free surface of the Ti34Zr14Cu22Pd30

• roughness of the Ti34Zr14Cu22Pd30 nanoglass. Both sides of the Ti34Zr14Cu22Pd30 glassy ribbons had a roughness that was comparable to the one of the Ti34Zr14Cu22Pd30 nanoglass. Despite the comparable roughness, the ribbons displayed a lower bioactivity than the nanoglass and the Ti control specimen. The