Clays enhanced with niobium: potential in wastewater treatment and reuse as pigment with antibacterial activity

• Silvia Jaerger,
• Patricia Appelt,
• Mario Antônio Alves da Cunha,
• Fabián Ccahuana Ayma,
• Ricardo Schneider,
• Carla Bittencourt and
• Fauze Jacó Anaissi

Beilstein J. Nanotechnol. 2025, 16, 141–154, doi:10.3762/bjnano.16.13

• (CB), creating a hole in the valence band (hBV+) [8]. These holes induce the oxidative decomposition of organic molecules adsorbed on the catalytic surface. They also react with water molecules, producing the hydroxyl radical (OH•). This radical rapidly attacks the dye molecules in the solution

TiO₂ immobilized on 2D mordenite: effect of hydrolysis conditions on structural, textural, and optical characteristics of the nanocomposites

• Marina G. Shelyapina,
• Rosario Isidro Yocupicio-Gaxiola,
• Gleb A. Valkovsky and
• Vitalii Petranovskii

Beilstein J. Nanotechnol. 2025, 16, 128–140, doi:10.3762/bjnano.16.12

• two-dimensional zeolite, and (4) calcination for the removal of organic molecules. In this work, to obtain TiO2/2D mordenite composites (layers of two-dimensional mordenite separated by TiO2 pillars), the synthesis method was slightly adjusted and TEOS was replaced by TEOT. This substitution, taking

Precursor sticking coefficient determination from indented deposits fabricated by electron beam induced deposition

• Alexander Kuprava and
• Michael Huth

Beilstein J. Nanotechnol. 2025, 16, 35–43, doi:10.3762/bjnano.16.4

• itself once the first closed layer is formed. In another series of surface-science-oriented works, the sticking coefficient has been studied for small organic molecules, such as allyl methyl ether on Si(100) [17], trimethylamine on Si(001) [18], tetrahydrofuran on Si(001) [19], and benzene on Pt(111) [20

• lighter organic molecules [17], the sticking coefficient was shown to be inversely proportional to the kinetic energy of the molecule. Thus, the sticking coefficient for diffuse flux would be higher. Secondly, the longer molecules stay on the surface, the longer they remain in the chamber. This is

• organic molecules [17][18][19][20]. Finally, we address the observed slight temperature dependence of the sticking coefficient (see Figure 4). The sticking coefficient describes the probability of a molecule to adsorb to the surface, thus it depends on the adsorption activation energy. Assuming an

A review on the structural characterization of nanomaterials for nano-QSAR models

• Salvador Moncho,
• Eva Serrano-Candelas,
• Jesús Vicente de Julián-Ortiz and
• Rafael Gozalbes

Beilstein J. Nanotechnol. 2024, 15, 854–866, doi:10.3762/bjnano.15.71

• their risks, are blooming. One of the challenges is the characterization of the NMs. This cannot be done with a simple SMILES representation, as for organic molecules, because their chemical structure is complex, including several layers and many inorganic materials, and their size and geometry are key

• international bodies such as the European Chemicals Agency (ECHA) [2][3]. Unlike QSAR models for discrete organic molecules, QSARs for NMs are still at an early stage, mainly because of the lack of data available regarding their generation [4], but also because of the intrinsic difficulty to characterize the

• , namely, composition, impurities, surface treatment functionalization, size, shape, and surface area [10]. One of the challenges in nano-QSAR modelling, and in the modelling of NMs in general, is the definition and the identification of what a single NM is. Discrete organic molecules can be fully

Simultaneous electrochemical determination of uric acid and hypoxanthine at a TiO₂/graphene quantum dot-modified electrode

• Vu Ngoc Hoang,
• Dang Thi Ngoc Hoa,
• Nguyen Quang Man,
• Le Vu Truong Son,
• Le Van Thanh Son,
• Vo Thang Nguyen,
• Le Thi Hong Phong,
• Ly Hoang Diem,
• Kieu Chan Ly,
• Ho Sy Thang and
• Dinh Quang Khieu

Beilstein J. Nanotechnol. 2024, 15, 719–732, doi:10.3762/bjnano.15.60

• storage derived from their conjugate structure makes them effectively utilizable over the full light spectrum [13][14]. GQDs can be prepared through solvothermal/hydrothermal processes or carbonization from suitable organic molecules (polymers or biomass) [15]. Biomass waste (e.g., agricultural residues

Comparative analysis of the ultrastructure and adhesive secretion pathways of different smooth attachment pads of the stick insect Medauroidea extradentata (Phasmatodea)

• Julian Thomas,
• Stanislav N. Gorb and
• Thies H. Büscher

Beilstein J. Nanotechnol. 2024, 15, 612–630, doi:10.3762/bjnano.15.52

• [20]). In addition, the red CLSM autofluorescence signal within the euplantulae might have been caused by the adhesive fluid or by the exocrine cells (Figure 5C), assuming it contains organic molecules with a conjugated system of electrons caused by C=C double bonds [39][40]. The adhesive secretion

Directed growth of quinacridone chains on the vicinal Ag(35 1 1) surface

• Niklas Humberg,
• Lukas Grönwoldt and
• Moritz Sokolowski

Beilstein J. Nanotechnol. 2024, 15, 556–568, doi:10.3762/bjnano.15.48

• step decoration can be exploited to grow 1D chain-like structures of adsorbates that otherwise tend to form two-dimensional (2D) domains on flat terraces. Examples are atoms forming 1D metallic chains [11][12][13][14][15] and organic molecules forming 1D chains at step edges of vicinal metal surfaces

• some similarities and differences between our results and some that were published previously. One similarity to other molecular systems is the growth of the QA chains with orientation E, which grow along the Ag step edges. Such a behavior was found for a few other organic molecules on different

• vicinal metal surfaces [17][18]. This shows that the contribution of the interactions between the atoms of the step edges and the organic molecules to the adsorption energy of the molecules is a common and important motif for the adsorption and self-assembly of organic molecules on stepped surfaces. We

Multiscale modelling of biomolecular corona formation on metallic surfaces

• Parinaz Mosaddeghi Amini,
• Ian Rouse,
• Julia Subbotina and
• Vladimir Lobaskin

Beilstein J. Nanotechnol. 2024, 15, 215–229, doi:10.3762/bjnano.15.21

• run to produce a table of orientation-specific binding energies. These are mapped to rate constants for adsorption and desorption. We stress that this procedure is sufficiently generic that essentially arbitrary organic molecules can be included in the simulation by performing a fragment-based

CdSe/ZnS quantum dots as a booster in the active layer of distributed ternary organic photovoltaics

• Gabriela Lewińska,
• Piotr Jeleń,
• Zofia Kucia,
• Maciej Sitarz,
• Łukasz Walczak,
• Bartłomiej Szafraniak,
• Jerzy Sanetra and
• Konstanty W. Marszalek

Beilstein J. Nanotechnol. 2024, 15, 144–156, doi:10.3762/bjnano.15.14

• –COOH groups, they can be easily labeled for chemical and biological applications. Low-molecular-weight organic molecules coat highly luminescent semiconductor nanocrystals. Materials and Methods Thin films, the intended active layers, were fabricated using the spin-coating method. The layers were a

Fragmentation of metal(II) bis(acetylacetonate) complexes induced by slow electrons

• Janina Kopyra and
• Hassan Abdoul-Carime

Beilstein J. Nanotechnol. 2023, 14, 980–987, doi:10.3762/bjnano.14.81

• systems. Alternatively, the electron can also be attached to an electronically excited state resulting in core-excited or Feshbach resonances [21]. This process takes place at energies above the first electronically excited state of the molecule, that is, typically at ca. 4 eV for most organic molecules

Two-dimensional molecular networks at the solid/liquid interface and the role of alkyl chains in their building blocks

• Suyi Liu,
• Yasuo Norikane and
• Yoshihiro Kikkawa

Beilstein J. Nanotechnol. 2023, 14, 872–892, doi:10.3762/bjnano.14.72

• using functional organic molecules, based on the concept of nanoarchitectonics. Intermolecular interactions related to the formation of 2D assemblies at the solid/liquid interface. (a) DFT-optimized geometry of n-dodecane adsorbed on C96H24 as a HOPG model. The carbon and hydrogen atoms of adsorbed n

Molecular nanoarchitectonics: unification of nanotechnology and molecular/materials science

• Katsuhiko Ariga

Beilstein J. Nanotechnol. 2023, 14, 434–453, doi:10.3762/bjnano.14.35

• expected to pave the way for further functional nanostructures. In organic molecules and materials, the electronic structure and physical properties can be modified by replacing carbon with silicon. For example, silicon-substituted graphene-based materials exhibit exotic properties. However, it is

Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes

• Akeem Adeyemi Oladipo and
• Faisal Suleiman Mustafa

Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26

• by conventional methods [11][12][13][14]. For the oxidation of organic molecules, AOPs rely on the in situ generation of potent oxidants (reactive oxygen species, ROS) such as hydroxyl or sulfate radicals. AOPs have been broadly categorised in terms of how ROS are produced, including non

Gap-directed chemical lift-off lithographic nanoarchitectonics for arbitrary sub-micrometer patterning

• Chang-Ming Wang,
• Hong-Sheng Chan,
• Chia-Li Liao,
• Che-Wei Chang and
• Wei-Ssu Liao

Beilstein J. Nanotechnol. 2023, 14, 34–44, doi:10.3762/bjnano.14.4

• perform, robust to operate, and inexpensive to conduct [6][7]. With diverse compatible ink choices ranging from simple organic molecules [6] to silicones [8], proteins [9][10], DNA [11], and living cells [12], microcontact-printing-correlated techniques have shown great potential in biochemical research

In search of cytotoxic selectivity on cancer cells with biogenically synthesized Ag/AgCl nanoparticles

• Mitzi J. Ramírez-Hernández,
• Mario Valera-Zaragoza,
• Omar Viñas-Bravo,
• Ariana A. Huerta-Heredia,
• Miguel A. Peña-Rico,
• Erick A. Juarez-Arellano,
• David Paniagua-Vega,
• Eduardo Ramírez-Vargas and
• Saúl Sánchez-Valdes

Beilstein J. Nanotechnol. 2022, 13, 1505–1519, doi:10.3762/bjnano.13.124

• sizes. In the micrographs in Figure 6, it can be seen that the nanoparticles are embedded in a disordered system, with very low electron density. This system could be made of organic molecules that act as capping materials for nanoparticles, as described in the literature [24][40]. Thermal behavior The

• continued to degrade such that at 750 °C, 36% of char residue remained (Table 2). In the thermograms of the reaction products, two stages of degradation are also shown, except for Ag/AgCl-T60, where a small additional peak appears at 163 °C, possibly from volatile organic molecules. The first degradation in

Role of titanium and organic precursors in molecular layer deposition of “titanicone” hybrid materials

• Arbresha Muriqi and
• Michael Nolan

Beilstein J. Nanotechnol. 2022, 13, 1240–1255, doi:10.3762/bjnano.13.103

• and the organic molecules compared to TiCl4. This is due to the stronger Ti–Cl bonds in TiCl4 compared to Ti–N bonds in Ti(DMA)4. We also found that the choice of surface and inorganic precursors can influence the behavior of organic molecules by allowing or preventing undesirable double reactions

• group of the organic molecule to a Cl ligand of TiCl3/TiCl2 to release a HCl molecule as by-product and form one new Ti–O bond between the TiCl3/TiCl2 species and the organic molecules. A schematic illustration of titanicone MLD films based on the reactions between the hydroxylated surface and TiCl4 and

• surface the organic molecules EG and GL can orient in both configurations, upright and lying flat, in the rutile TiO2 surface these molecules could prefer more the upright configuration, although the flat-lying configuration may also be stabilised. This indicates that the surface can also have an

Design of surface nanostructures for chirality sensing based on quartz crystal microbalance

• Yinglin Ma,
• Xiangyun Xiao and
• Qingmin Ji

Beilstein J. Nanotechnol. 2022, 13, 1201–1219, doi:10.3762/bjnano.13.100

• QCM system, which include organic molecules, supermolecular assemblies, inorganic nanostructures, and metal surfaces. The sensing mechanisms based on these surface nanostructures and the related potentials for chiral detection by the QCM system are also summarized. Keywords: assembled nanostructure

• sensing layers from inorganic nanostructures In contrast to the abundance of chiral organic molecules, chirality in inorganic materials seems rare. Unlike the well-established theory of chirality for organic molecules, the notion of chirality for metals, semiconductors, and other inorganic nanostructures

Recent advances in green carbon dots (2015–2022): synthesis, metal ion sensing, and biological applications

• Aisha Kanwal,
• Naheed Bibi,
• Sajjad Hyder,
• Arif Muhammad,
• Hao Ren,
• Jiangtao Liu and
• Zhongli Lei

Beilstein J. Nanotechnol. 2022, 13, 1068–1107, doi:10.3762/bjnano.13.93

• material is oxidized and broken down into CDs using oxidants such as sulfuric acid and nitric acid. As green methods are limited regarding the raw materials, the “top-down” method is not very common in green approaches [3][50]. The “bottom-up” method consist of carbonization of smaller organic molecules

• to target folate-receptor cancer cells [114]. Pork-based CDs without any surface-passivating agent were synthesized. Pork meat, itself, is composed of many organic molecules that can provide multiple heteroatoms in the CDs. The resulting CDs have excellent advantages such as a high QY of 17.3% and

• excitation levels above 480 nm. Since small organic molecules are free in solution, it follows that even when carbon cores do exist, the origin of the fluorescence is attributed to these molecules [134]. Characterization of CDs There are several published analytical methods for characterization, illustrating

Solar-light-driven LaFe_xNi_1−xO₃ perovskite oxides for photocatalytic Fenton-like reaction to degrade organic pollutants

• Chao-Wei Huang,
• Shu-Yu Hsu,
• Jun-Han Lin,
• Yun Jhou,
• Wei-Yu Chen,
• Kun-Yi Andrew Lin,
• Yu-Tang Lin and
• Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 882–895, doi:10.3762/bjnano.13.79

• Fenton method exhibits high oxidation capability and low selectivity for removing most organic substances. It can decompose organic pollutants into smaller organic molecules and generate carbon dioxide, water, and inorganic ions [17]. Generally, the ferrous ion employed in the Fenton reaction is from

Self-assembly of C₆₀ on a ZnTPP/Fe(001)–p(1 × 1)O substrate: observation of a quasi-freestanding C₆₀ monolayer

• Guglielmo Albani,
• Michele Capra,
• Alessandro Lodesani,
• Alberto Calloni,
• Gianlorenzo Bussetti,
• Marco Finazzi,
• Franco Ciccacci,
• Alberto Brambilla,
• Lamberto Duò and
• Andrea Picone

Beilstein J. Nanotechnol. 2022, 13, 857–864, doi:10.3762/bjnano.13.76

• spectroscopy; ZnTPP; Introduction Vertical heterostructures composed by organic molecules interfaced with metallic substrates have been the subject of intense experimental and theoretical investigation during the last two decades [1][2][3]. The interest in these hybrid systems has been boosted by their

A nonenzymatic reduced graphene oxide-based nanosensor for parathion

• Sarani Sen,
• Anurag Roy,
• Ambarish Sanyal and
• Parukuttyamma Sujatha Devi

Beilstein J. Nanotechnol. 2022, 13, 730–744, doi:10.3762/bjnano.13.65

• , ethyl parathion, fenitrothion, chlorpyrifos, paraoxon, ethion, and acephate) are based on the inhibition of acetylcholinesterase (AChE) activity (an indirect method) [8][9][10]. Some organic molecules and metal cations also act as an inhibitor of AChE. Thus, interference-free detection of OP in

Zinc oxide nanostructures for fluorescence and Raman signal enhancement: a review

• Ioana Marica,
• Fran Nekvapil,
• Maria Ștefan,
• Cosmin Farcău and
• Alexandra Falamaș

Beilstein J. Nanotechnol. 2022, 13, 472–490, doi:10.3762/bjnano.13.40

• when used as a SERS substrate. The self-cleaning ability of ZnO alone or ZnO–noble metal-based nanostructured substrates has been shown under UV or visible irradiation via the photocatalytic degradation of the organic molecules attached to the substrate [8][34][53]. For instance, [75] presented Au

Investigation of electron-induced cross-linking of self-assembled monolayers by scanning tunneling microscopy

• Patrick Stohmann,
• Sascha Koch,
• Yang Yang,
• Christopher David Kaiser,
• Julian Ehrens,
• Jürgen Schnack,
• Niklas Biere,
• Dario Anselmetti,
• Armin Gölzhäuser and
• Xianghui Zhang

Beilstein J. Nanotechnol. 2022, 13, 462–471, doi:10.3762/bjnano.13.39

• ][9]. Self-assembled monolayers (SAMs) are ordered molecular assemblies formed by the adsorption of amphiphilic organic molecules on a solid surface [10][11][12]. Self-assembled monolayers are model systems that enable a fundamental understanding of self-organization and provide a versatile path to

Impact of device design on the electronic and optoelectronic properties of integrated Ru-terpyridine complexes

• Max Mennicken,
• Sophia Katharina Peter,
• Corinna Kaulen,
• Ulrich Simon and
• Silvia Karthäuser

Beilstein J. Nanotechnol. 2022, 13, 219–229, doi:10.3762/bjnano.13.16

• conditions [37]. Furthermore, it is unlikely that the conductance switching in our Ru(MPTP)2–AuNP devices corresponds to photoconductance as discussed for AuNP arrays consisting of AuNPs coated with monolayers of organic molecules [38]. The photoconductance of these AuNP arrays is independent of USD and

Engineered titania nanomaterials in advanced clinical applications

• Padmavati Sahare,
• Paulina Govea Alvarez,
• Juan Manual Sanchez Yanez,
• Gabriel Luna-Bárcenas,
• Samik Chakraborty,
• Sujay Paul and
• Miriam Estevez

Beilstein J. Nanotechnol. 2022, 13, 201–218, doi:10.3762/bjnano.13.15

• -functionalized, or post-synthetically modified by adding various surfactants or dopants or organic molecules. The size of the nanomaterial also determines the type of immune response elicited by the body (endocytosis/cellular uptake) [21]. Xu et al. reported that the size of the pores is an essential parameter