Synthesis and the impact of hydroxyapatite nanoparticles on the viability and activity of rhizobacteria

• Bedah Rupaedah,
• Indrika Novella,
• Atiek Rostika Noviyanti,
• Diana Rakhmawaty Eddy,
• Anna Safarrida,
• Abdul Hapid,
• Zhafira Amila Haqqa,
• Suryana Suryana,
• Irwan Kurnia and
• Fathiyah Inayatirrahmi

Beilstein J. Nanotechnol. 2025, 16, 216–228, doi:10.3762/bjnano.16.17

• . Furthermore, they require only small quantities for utilization [8]. Several types of nanoparticles have been employed as carriers for rhizobacteria inoculants, including silica nanoparticles [9], clay nanoparticles [8], carbon nanoparticles [10], zinc oxide nanoparticles [11], and calcium carbonate

Dual-functionalized architecture enables stable and tumor cell-specific SiO₂NPs in complex biological fluids

• Iris Renata Sousa Ribeiro,
• Raquel Frenedoso da Silva,
• Romênia Ramos Domingues,
• Adriana Franco Paes Leme and
• Mateus Borba Cardoso

Beilstein J. Nanotechnol. 2024, 15, 1238–1252, doi:10.3762/bjnano.15.100

• -depth studies in complex environments to evaluate nanoparticle stability, protein corona formation, hemolytic activity, and targeting capabilities. To address this issue, fluorescent silica nanoparticles (SiO2NPs) are here functionalized with zwitterionic (kinetic stabilizer) and folate groups

• active groups (amino, mercapto, or carboxylic functionalities) to interact with cells, viruses, and bacteria [17][18][20]. Pan et al. [24] developed mesoporous silica nanoparticles (SiO2NPs) covalently attached to (i) poly(oligo(ethylene glycol) monomethyl ether methacrylate) for improved stabilization

• proves to be a successful model that can be extended to other types of NPs, such as degradable mesoporous silica nanoparticles, which are highly porous and can degrade under specific biological conditions, thus preventing inconvenient accumulation in the body. a) Representation of the synthesis steps of

Berberine-loaded polylactic acid nanofiber scaffold as a drug delivery system: The relationship between chemical characteristics, drug-release behavior, and antibacterial efficiency

• Le Thi Le,
• Hue Thi Nguyen,
• Liem Thanh Nguyen,
• Huy Quang Tran and
• Thuy Thi Thu Nguyen

Beilstein J. Nanotechnol. 2024, 15, 71–82, doi:10.3762/bjnano.15.7

• , iron oxide, and mesoporous silica nanoparticles) [4]. Additionally, nanocarrier-free systems, such as drug nanocrystals, are also used to improve the delivery of poorly soluble drugs [5][6]. In our previous study, the saturation concentration of BBR in water was 2.0 mg/mL, while BBR nanoparticles

Elasticity, an often-overseen parameter in the development of nanoscale drug delivery systems

• Agnes-Valencia Weiss and
• Marc Schneider

Beilstein J. Nanotechnol. 2023, 14, 1149–1156, doi:10.3762/bjnano.14.95

• variable elasticity were prepared by immersing mesoporous silica nanoparticles in carboxybetaine methacrylate (CBMA) and crosslinking those with different amounts of carboxybetaine dimethacrylate (CBMAX). Particles with Young’s moduli between 4.5 and 162 MPa (measured in air) were obtained. By measuring

Nanoarchitectonics to entrap living cells in silica-based systems: encapsulations with yolk–shell and sepiolite nanomaterials

• Celia Martín-Morales,
• Jorge Fernández-Méndez,
• Pilar Aranda and
• Eduardo Ruiz-Hitzky

Beilstein J. Nanotechnol. 2023, 14, 522–534, doi:10.3762/bjnano.14.43

• adapting the protocol previously described by Rooke and co-workers [41]. The synthesis conditions were optimised regarding concentration of sodium silicate precursor, temperature, and content of silica nanoparticles (LUDOX® TMA), using a combinatorial exploration of the different synthesis parameters

• , 7.5% silica nanoparticles, and 4 °C). A possible explanation could be that in the preparation of this gel, a medium concentration of silicate was used, which reacts sufficiently slowly at 4 °C to allow for bonding of the silica nanoparticles, generating a network of high porosity. Visually, the

• organisms. The reduced gel strength can be compensated with the addition of silica nanoparticles (LUDOX® TMA), for which we have observed a reinforcement of the gel structure without increasing the diffusional limitations of the material. The G57-4 material yields a good balance between robustness, low

Biocatalytic synthesis and ordered self-assembly of silica nanoparticles via a silica-binding peptide

• Mustafa Gungormus

Beilstein J. Nanotechnol. 2023, 14, 280–290, doi:10.3762/bjnano.14.25

Cyclodextrins as eminent constituents in nanoarchitectonics for drug delivery systems

• Makoto Komiyama

Beilstein J. Nanotechnol. 2023, 14, 218–232, doi:10.3762/bjnano.14.21

• are disassembled to release the encapsulated drugs. β-CyD units have been connected to mesoporous silica nanoparticles via a disulfide linkage, and azobenzene molecules have been bound to a galactose-grafted polymer [49]. Prior to photoirradiation, the trans isomer of azobenzene forms an inclusion

• complex with β-CyD bound to the silica nanoparticles and seals the pores of nanoparticles in which drugs are encapsulated. Under these conditions, the composite is stable, because azobenzene is accommodated in the cavity of β-CyD, and sterically protects the disulfide linkage from reductive cleavage by

• , only the trans isomer of mAzo efficiently forms inclusion complexes with β-CyD (Figure 2). The surface of mesoporous silica nanoparticles was modified with β-CyD and covered with a polymer bearing mAzo units [51]. Drugs were loaded in the pores of the silica nanoparticles. Prior to photoirradiation

Solvent-induced assembly of mono- and divalent silica nanoparticles

• Bin Liu,
• Etienne Duguet and
• Serge Ravaine

Beilstein J. Nanotechnol. 2023, 14, 52–60, doi:10.3762/bjnano.14.6

• Particles with attractive patches are appealing candidates to be used as building units to fabricate novel colloidal architectures by self-assembly. Here, we report the synthesis of one-patch silica nanoparticles, which consist of silica half-spheres whose concave face carries in its center a polymeric

• assembly of silica/polystyrene (PS) dumbbells [28] and silica nanoparticles with two PS patches (2-PSN) [29][30][31] into multipod-like clusters and colloidal chains, respectively. We have recently reported that the same strategy can be used to assemble one-patch silica nanoparticles (1-PSN) with a well

• developed [30][31][32], one-patch silica nanoparticles with a controlled patch-to-particle size ratio ranging from 0.23 to 0.57 were synthesized. The decrease of the solvent quality for the PS patch induced by the addition of salty water made it sticky, which induced the assembly of the patchy silica

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

• weeks. The emergence of new bone in the defective region is confirmed by microscale computational micrographs and staining assay findings [98]. Ning et al. (2019) developed glycyl-ʟ-histidyl-ʟ-lysine-containing copper ions integrated with mesoporous silica nanoparticles (MSN) and chitosan. Further, the

Bioselectivity of silk protein-based materials and their bio-inspired applications

• Hendrik Bargel,
• Vanessa T. Trossmann,
• Christoph Sommer and
• Thomas Scheibel

Beilstein J. Nanotechnol. 2022, 13, 902–921, doi:10.3762/bjnano.13.81

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

• . developed a superhydrophilic and underwater superoleophobic nanofibrous membrane of PAN with hierarchically structured skin constructed by electrospraying silica nanoparticles (SiO2 NPs) mixed in a dilute PAN solution on the top surface of an electrospun PAN membrane. The SiO2 NPs have been used to increase

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

• silica nanoparticles showed a synergistic therapeutic effect in in vivo and in vitro models of liver cancer due to their superior superparamagnetic properties, hyperthermia, high CUR-loading capacity, and sensitivity to the microenvironment of the tumor [137]. Authors argue that the magnetic sensitivity

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

• (conventional and echogenic), niosomes, nanoemulsions, polymeric nanoparticles, chitosan nanocapsules, dendrimers, hydrogels, nanogels, gold nanoparticles, titania nanostructures, carbon nanostructures, mesoporous silica nanoparticles, fuel-free nano/micromotors. Keywords: smart nanomaterials; sonodynamic

The impact of molecular tumor profiling on the design strategies for targeting myeloid leukemia and EGFR/CD44-positive solid tumors

• Nikola Geskovski,
• Nadica Matevska-Geshkovska,
• Simona Dimchevska Sazdovska,
• Marija Glavas Dodov,
• Kristina Mladenovska and
• Katerina Goracinova

Beilstein J. Nanotechnol. 2021, 12, 375–401, doi:10.3762/bjnano.12.31

• leukemia cell population, Mandal and co-workers developed mesoporous silica nanoparticles decorated with an anti-B220 antibody intended for B220+LSC targeting [53]. The daunorubicin-loaded targeted nanoparticles demonstrated selective efficacy against B220+/Mac1− cells, relative to B220− AML LSCs. In

• NALM-6 CM) and SDF-1 (a molecule of the BM endothelium) and mediates the hypoxia-driven release of the attached aTGFβRII antibodies in the BM, which then interfere with the interplay among LSCs and the BM niche cells. The remaining NALM-6-coated silica nanoparticles with daunorubicin are taken up by

A review on the biological effects of nanomaterials on silkworm (Bombyx mori)

• Sandra Senyo Fometu,
• Guohua Wu,
• Lin Ma and
• Joan Shine Davids

Beilstein J. Nanotechnol. 2021, 12, 190–202, doi:10.3762/bjnano.12.15

• and Drosophila [129]. Also, liver damage was reported in mice following treatment with silica nanoparticles for three months [130]. Higher concentrations and sublethal doses of some nanomaterials result in higher mortality, poor cocoon quality, and lower body weight when compared to control groups

Effect of different silica coatings on the toxicity of upconversion nanoparticles on RAW 264.7 macrophage cells

• Cynthia Kembuan,
• Helena Oliveira and
• Christina Graf

Beilstein J. Nanotechnol. 2021, 12, 35–48, doi:10.3762/bjnano.12.3

• thicker shells. As a reference system, pure silica nanoparticles with a size of 50 nm were also coupled with RBITC and functionalized with AHAPS (sample SiO2 @RBITC_NH2). STEM images of each sample are shown in Supporting Information File 1, Figure S3. The STEM data of all the particles is summarized in

• aggregation of silica nanoparticles that occurred after redispersion in buffered solution and in physiological medium [54]. They reported that various proteins in a medium containing FBS were adsorbed onto the surface of bare SiO2 and amine-functionalized SiO2 nanoparticles, forming a protein corona with a

Bio-imaging with the helium-ion microscope: A review

• Matthias Schmidt,
• James M. Byrne and
• Ilari J. Maasilta

Beilstein J. Nanotechnol. 2021, 12, 1–23, doi:10.3762/bjnano.12.1

• epithelial cells with silica nanoparticles with HIM at the Microscopy and Microanalytics Conference 2011 [11]. In their abstract, they suggested that Rutherford back-scattering imaging in the HIM enables the distinction of nanoparticles from cell surface structures at nanometre resolution. In a different

PEG/PEI-functionalized single-walled carbon nanotubes as delivery carriers for doxorubicin: synthesis, characterization, and in vitro evaluation

• Shuoye Yang,
• Zhenwei Wang,
• Yahong Ping,
• Yuying Miao,
• Yongmei Xiao,
• Lingbo Qu,
• Lu Zhang,
• Yuansen Hu and
• Jinshui Wang

Beilstein J. Nanotechnol. 2020, 11, 1728–1741, doi:10.3762/bjnano.11.155

• modification with PEG or PEI [40]. It should be noted that LE and EE of CNT carriers in this study are higher than those of other nanocarriers such as mesoporous silica nanoparticles (MSNs) or liposomes [39]. In vitro drug release Due to the encapsulation in the nanocarriers after drug loading, a premature

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

• by using a 60 mg mL−1 SPION solution and applying an alternating current for 8 min. Silica- and carbon-derived nanoparticles Over the last years, several studies have revealed that silica nanoparticles are excellent antimicrobial metal-releasing systems due to their high chemical and thermal

• synthesis method, which is attracting much attention lately due to its reduced environmental impact. Most nanoparticles are based on metal and metal-oxide compounds, and the strategies used to control their delivery and to increase their antimicrobial activity have been related to the use of silica

• nanoparticles in their manufacturing process. Although the oxidative stress is the main mechanism by which the nanoparticles can eliminate microorganisms, other processes may be intimately related to the NP antimicrobial activity. The information presented in this work encourages the search for new

A novel dry-blending method to reduce the coefficient of thermal expansion of polymer templates for OTFT electrodes

• Xiangdong Ye,
• Bo Tian,
• Yuxuan Guo,
• Fan Fan and
• Anjiang Cai

Beilstein J. Nanotechnol. 2020, 11, 671–677, doi:10.3762/bjnano.11.53

• the influence of fullerene (C60) on the CTE of Araldite LY 5052/Aradur HY 5052 cross-linked epoxy resin by molecular dynamics simulations. The CTE was minimized by adding a maximum of 15.9 wt % fullerene to the LY/HY/C60 epoxy system. Liu et al. [14] selected MCM-41 mesoporous silica nanoparticles

Identification of physicochemical properties that modulate nanoparticle aggregation in blood

• Ludovica Soddu,
• Duong N. Trinh,
• Eimear Dunne,
• Dermot Kenny,
• Giorgia Bernardini,
• Ida Kokalari,
• Arianna Marucco,
• Marco P. Monopoli and
• Ivana Fenoglio

Beilstein J. Nanotechnol. 2020, 11, 550–567, doi:10.3762/bjnano.11.44

• causing both pro- and anti-coagulant properties. There is contrasting evidence on how the physicochemical properties of the material modulate these effects. In this work, we developed two sets of tailored carbon and silica nanoparticles with three different diameters in the 100–500 nm range with the

• role. On the other hand, large carbon nanoparticles (but not small carbon nanoparticles or silica nanoparticles) have a clear tendency to form aggregates both in plasma and blood. This effect was observed both in the presence or absence of platelets and was independent of platelet activation. Overall

• platelet deposition in post-capillary venules in the liver and heart, suggesting the role of this protein in nanoparticle-mediated platelet aggregation [14][15]. Silica nanoparticles (SNPs) of different sizes were found to activate glycoprotein IIb/IIIa and to induce the expression of P-selectin in

Interactions at the cell membrane and pathways of internalization of nano-sized materials for nanomedicine

• Valentina Francia,
• Daphne Montizaan and
• Anna Salvati

Beilstein J. Nanotechnol. 2020, 11, 338–353, doi:10.3762/bjnano.11.25

• of 100 nm silica nanoparticles incubated with human serum were found to interact with their corresponding receptors, low-density lipoprotein receptor and Fc-gamma receptor I, respectively [17]. Similarly, lipid nanoparticles were efficiently targeted to the hepatocytes upon adsorption of apoE on

Rational design of block copolymer self-assemblies in photodynamic therapy

• Maxime Demazeau,
• Laure Gibot,
• Anne-Françoise Mingotaud,
• Patricia Vicendo,
• Clément Roux and
• Barbara Lonetti

Beilstein J. Nanotechnol. 2020, 11, 180–212, doi:10.3762/bjnano.11.15

Molecular architectonics of DNA for functional nanoarchitectures

• Debasis Ghosh,
• Lakshmi P. Datta and
• Thimmaiah Govindaraju

Beilstein J. Nanotechnol. 2020, 11, 124–140, doi:10.3762/bjnano.11.11

• scaffold embedded with Ru(bpy)32+-conjugated silica nanoparticles. The DNA tetrahedron geometry acted as a capture DNA that repelled the nonspecific DNA entanglement along the ECL platform and stimulated the hybridization of glucose oxidase (GOD) enzyme-conjugated DNA (GOD-S). In a programmable cyclic

Advanced hybrid nanomaterials

• Andreas Taubert,
• Fabrice Leroux,
• Pierre Rabu and
• Verónica de Zea Bermudez

Beilstein J. Nanotechnol. 2019, 10, 2563–2567, doi:10.3762/bjnano.10.247

• yield diverse materials, which were found to depend on the P/Ti atom ratio [20]. The ratio was found to determine the particle size and the aggregation state and thereby could strongly tune the porosity of the resulting materials. Colloidal chemistry with patchy silica nanoparticles was employed to