Biomimetic chitosan with biocomposite nanomaterials for bone tissue repair and regeneration

• Se-Kwon Kim,
• Sesha Subramanian Murugan,
• Pandurang Appana Dalavi,
• Sebanti Gupta,
• Sukumaran Anil,
• Gi Hun Seong and
• Jayachandran Venkatesan

Beilstein J. Nanotechnol. 2022, 13, 1051–1067, doi:10.3762/bjnano.13.92

• silsesquioxane, chitosan–nanoSiO2–chondroitin sulphate, chitosan–nanoSiO2–gelatin, and chitosan–bioglass/hydroxyapatite/halloysite nanotubes have remarkable osteogenic characteristics [82][83][84][123]. Chitosan and silica-based microspheres were produced by using sol–gel followed by emulsification and cross

Micro- and nanotechnology in biomedical engineering for cartilage tissue regeneration in osteoarthritis

• Zahra Nabizadeh,
• Mahmoud Nasrollahzadeh,
• Hamed Daemi,
• Mohamadreza Baghaban Eslaminejad,
• Ali Akbar Shabani,
• Mehdi Dadashpour,
• Majid Mirmohammadkhani and
• Davood Nasrabadi

Beilstein J. Nanotechnol. 2022, 13, 363–389, doi:10.3762/bjnano.13.31

• biomedicine, in particular, TE. However, nanotube studies have been mainly limited to CNTs. Nanotube arrays such as boron nitride nanotubes (BNNTs) and halloysite nanotubes (HNT) have not been investigated despite their superior physicochemical attributes and structural properties similar to CNTs. For example

• alternative for CNTs in biomedical applications [145]. Bonifacio et al. have developed a hydrogel nanocomposite scaffold composed of gellan gum and glycerol and reinforced by halloysite nanotubes for skin TE [146]. Integration of 25% HNTs into gellan gum reinforced the mechanical properties of the hydrogel

A comprehensive review on electrospun nanohybrid membranes for wastewater treatment

• Senuri Kumarage,
• Imalka Munaweera and
• Nilwala Kottegoda

Beilstein J. Nanotechnol. 2022, 13, 137–159, doi:10.3762/bjnano.13.10

• membrane incorporating halloysite nanotubes (HNTs) filled with lysozyme (50 wt % of lysozyme) into Polyamide 11 (PA11) as a bio-based pad for extending the shelf life of chicken slices and has found that the filled nanohybrid membrane resulted in a reduction of bacterial growth compared to electrospun PA11

Silver nanoparticles nucleated in NaOH-treated halloysite: a potential antimicrobial material

• Yuri B. Matos,
• Rodrigo S. Romanus,
• Mattheus Torquato,
• Edgar H. de Souza,
• Rodrigo L. Villanova,
• Marlene Soares and
• Emilson R. Viana

Beilstein J. Nanotechnol. 2021, 12, 798–807, doi:10.3762/bjnano.12.63

• + ions or growing up to the micrometer scale. Some routes stabilize Ag-NPs by nucleating silver into clay substrates [15][16], such as kaolinite [17][18][19], montmorillonite [18][19][20][21], and halloysite nanotubes [22][23][24]. The advantages are, for instance, preventing particle agglomeration

pH-Controlled fluorescence switching in water-dispersed polymer brushes grafted to modified boron nitride nanotubes for cellular imaging

• Saban Kalay,
• Yurij Stetsyshyn,
• Volodymyr Donchak,
• Khrystyna Harhay,
• Ostap Lishchynskyi,
• Halyna Ohar,
• Yuriy Panchenko,
• Stanislav Voronov and
• Mustafa Çulha

Beilstein J. Nanotechnol. 2019, 10, 2428–2439, doi:10.3762/bjnano.10.233

• ][31][32][33][34]. In [35], the fluorescent CdSe quantum dots were attached to BNNT surfaces, and in [36] the halloysite nanotubes were modified with carbon dots and used for cellular imaging. Another approach is surface modification with grafted polymers bearing organic fluorophores. One of the most

Nanoarchitectonics meets cell surface engineering: shape recognition of human cells by halloysite-doped silica cell imprints

• Elvira Rozhina,
• Ilnur Ishmukhametov,
• Svetlana Batasheva,
• Farida Akhatova and
• Rawil Fakhrullin

Beilstein J. Nanotechnol. 2019, 10, 1818–1825, doi:10.3762/bjnano.10.176

• that methodology reported here will find applications in biomedical and clinical research. Keywords: cell surface engineering; cell-recognising imprints; halloysite nanotubes; nanoarchtectonics; Introduction Nanoarchitectonics has recently emerged as a “post-nanotechnology era” paradigm in the

• developed a nanoarchitectonics-based technology to produce imprints recognising human cells. To do so, we resorted on forming silica-based solid shells and reinforcing these shells with halloysite nanotubes. Halloysite, a naturally occurring biocompatible clay, is a promising candidate for the fabrication

• fillers, drug-delivery vehicles and tissue engineering scaffolds [27]. Halloysite nanotubes derived from various geological deposits differ in their mesoscopic structures [28], allowing to choose the clay nanotubes most suitable for a desired application. The positively charged nanotube lumen can be

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

• , multicomponent conductive nanoarchitectured materials integrating halloysite nanotubes (HNTs), graphene nanoplatelets (GNPs) and chitosan (CHI) have been developed. The resulting nanohybrid suspensions could be easily formed into films or foams, where each individual component plays a critical role in the

• different properties will determine a functional set of predetermined utility with SEP maintaining stable colloidal dispersions of different nanoparticles and polymers in water. Keywords: bionanocomposites; carbon nanostructures; electrochemical devices; halloysite nanotubes; sepiolite; Introduction In

• functional materials. On the other hand, tubular nanoclays, such as halloysite nanotubes (HNTs), are interesting containers for the controlled chemical reactions at nanoscale interfaces and the delivery of active compounds thanks to their unique nature [12], which could be advantageous when integrated as

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

• kaolinite that can be present as a tubular clay (halloysite nanotubes, HNTs) with diameters of 50–80 nm (external) and 10–15 nm (internal), and a typical length of ca. 1000 nm [73][74][75]. The external surface of HNTs is composed of siloxane groups (Si–O–Si) while the internal surface is covered by

• ), montmorillonite (B), sepiolite (C), halloysite nanotubes (HNT) (D), and the metal oxides, anatase (E) and wurtzite (F), obtained by applying the VESTA software using the following color codes: silicon oxide tetrahedron – blue: Si, red: O. In kaolinite and halloysite – aluminium oxide-hydroxide octahedron: green