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

• nanocomposites were synthetized by the introduction of titanium tetraethoxide (TEOT) into the interlamellar space of 2D mordenite, its subsequent hydrolysis in water or a solution of 70% ethanol in water for 6, 12, and 24 h, and calcination. The resulting TiO2/2D mordenite materials were studied by a set of

• nanoparticles of about 4 nm in size. It was found that the textural properties of the resulting materials are sensitive to the environment in which TEOT hydrolysis takes place. Alkoxides are, generally, not stable in protic solvents such as water. However, because of this property they are widely used as

• starting products in a large number of reactions. The hydrolysis of various metal alkoxides by pure water, or its mixtures with primarily alcohols or other solvents, are the basis of the sol–gel method to obtain oxide materials. The tendency of metal alkoxides to this reaction can be considered as their

Characterization of ZnO nanoparticles synthesized using probiotic Lactiplantibacillus plantarum GP258

• Prashantkumar Siddappa Chakra,
• Aishwarya Banakar,
• Shriram Narayan Puranik,
• Vishwas Kaveeshwar,
• C. R. Ravikumar and
• Devaraja Gayathri

Beilstein J. Nanotechnol. 2025, 16, 78–89, doi:10.3762/bjnano.16.8

• range from 400 to 4000 cm−1. We observed a peak at 484 cm−1, which corresponds to Zn–O bond vibrations. In addition, we observed peaks at 440, 480, and 670 cm−1 also related to ZnO. The presence of water within the nanocrystalline ZnO NPs was suggested by peaks observed at 3400 cm−1, representing O–H

• MB dye progressed with time and yielded 95% degradation under 120 min. The process involved in dye degradation is exciting electrons and generating holes in the semiconductor. The produced electrons form superoxide radicals (•O2−) by reacting with O2, while holes react with water (H2O) molecules to

• according to [24] with slight modifications. The GP258 isolate was inoculated to MRS broth and incubated for 24 h at 37 °C. Further, the mixture was diluted fourfold using sterile distilled water and again incubated for 24 h. The culture broth was adjusted to pH 6 using 1 M NaOH, then to the culture broth

Instance maps as an organising concept for complex experimental workflows as demonstrated for (nano)material safety research

• Benjamin Punz,
• Maja Brajnik,
• Joh Dokler,
• Jaleesia D. Amos,
• Litty Johnson,
• Katie Reilly,
• Anastasios G. Papadiamantis,
• Amaia Green Etxabe,
• Lee Walker,
• Diego S. T. Martinez,
• Steffi Friedrichs,
• Klaus M. Weltring,
• Nazende Günday-Türeli,
• Claus Svendsen,
• Christine Ogilvie Hendren,
• Mark R. Wiesner,
• Martin Himly,
• Iseult Lynch and
• Thomas E. Exner

Beilstein J. Nanotechnol. 2025, 16, 57–77, doi:10.3762/bjnano.16.7

• some flexibility for the users in that they recommend a specific medium, but this is not essential (and indeed many labs use tap water or bore hole water). Thus, each lab needs to prepare its own detailed SOP that underpins the experiment. In the example shown, we have not linked to other aspects of an

• partly confidential information on the production processes needed for the life cycle assessment to evaluate energy and water consumption or as a basis to discuss the amounts of material needed to be shipped to the partners and then the status of the shipment. At the same time, the instance maps are

Theoretical study of the electronic and optical properties of a composite formed by the zeolite NaA and a magnetite cluster

• Joel Antúnez-García,
• Roberto Núñez-González,
• Vitalii Petranovskii,
• H’Linh Hmok,
• Armando Reyes-Serrato,
• Fabian N. Murrieta-Rico,
• Mufei Xiao and
• Jonathan Zamora

Beilstein J. Nanotechnol. 2025, 16, 44–53, doi:10.3762/bjnano.16.5

• ][40] in bodies of water, addressing a pressing environmental concern. Also, iron-modified zeolites have shown variations in both electric and magnetic properties that allow one to generate catalysts based on zeolites [41]. Among these types of composites consisting of zeolites modified with magnetic

• nanoparticles, sodium Linde A Type (LTA) zeolite, also known as NaA zeolite, stands out for its remarkable capacity and selectivity to capture various types of metals commonly found as contaminants in drinking water. These metals include Ca, K, Mg, Mn, Co, Zn, Cu, Pb, Cd, Cs, and Sr [42][43][44][45][46

Bioinspired nanofilament coatings for scale reduction on steel

• Siad Dahir Ali,
• Mette Heidemann Rasmussen,
• Jacopo Catalano,
• Christian Husum Frederiksen and
• Tobias Weidner

Beilstein J. Nanotechnol. 2025, 16, 25–34, doi:10.3762/bjnano.16.3

• , which employs micro- and nanostructures to repel water, we investigate the application of silicone nanofilaments (SNFs) as a coating on steel surfaces to mitigate scaling. Silicone nanofilaments, previously successful on polymers, textiles, and glass, are explored for their hydrophobic properties and

• moisture control and water interaction [1][2]. The structure and chemistry of insect skin are finely tuned to navigate these challenges, showcasing a sophisticated natural adaptation to efficiently repel water [3]. Springtails have mastered this capability using micro- and nanostructured skin surfaces

• applications of mimicking the liquid-repelling properties of their skin to address a common industrial challenge: The scaling of steel surfaces. Scaling, a pervasive issue in various industries, results from unwanted water adhesion and mineral deposition, leading to corrosion, reduced efficiency, and increased

A nanocarrier containing carboxylic and histamine groups with dual action: acetylcholine hydrolysis and antidote atropine delivery

• Elina E. Mansurova,
• Andrey A. Maslennikov,
• Anna P. Lyubina,
• Alexandra D. Voloshina,
• Irek R. Nizameev,
• Marsil K. Kadirov,
• Anzhela A. Mikhailova,
• Polina V. Mikshina,
• Albina Y. Ziganshina and
• Igor S. Antipin

Beilstein J. Nanotechnol. 2025, 16, 11–24, doi:10.3762/bjnano.16.2

• molecules. Within a microemulsion system, they self-assemble at the interface between water and oil. The hydrophilic groups face the aqueous phase, while the resorcinarene scaffold with tails on the lower rim points towards the dispersed (oil) phase. Under slightly basic conditions (pH 8.5), resorcinarenes

• react with BA to form boronate esters through cross-linking (Scheme 1). To synthesize p(Hist-CA), 4 mL of BA solution (1.25 mM) in PB, pH 8.5, and 7.3 μL of triolein (TO) were added to a mixture of Hist-RA (2 mM) and CA-RA (4.4 mM) in 1 mL of water. The mixture was vortexed for 1.5 min until an emulsion

• profile of the water-soluble portion of the sample showed four peaks (Supporting Information File 1, Figure S3). The main peak, with an average molecular weight of approximately 33 kDa (peak 3, Table 1), was attributed to p(Hist-CA). In the high-molecular-weight region, two low-intensity peaks (peaks 1

Orientation-dependent photonic bandgaps in gold-dust weevil scales and their titania bioreplicates

• Norma Salvadores Farran,
• Limin Wang,
• Primoz Pirih and
• Bodo D. Wilts

Beilstein J. Nanotechnol. 2025, 16, 1–10, doi:10.3762/bjnano.16.1

• . The scale template was removed by acid etching, using drops of a 3:1 mixture of concentrated nitric and hydrochloric acids, followed by heating at 130 °C for 15 min. The replicas were then cleaned using deionized water. Titanium(IV) ethanolate (33–35% TiO2), tetraethyl orthosilicate (TEOS 98%), and

Mechanistic insights into endosomal escape by sodium oleate-modified liposomes

• Ebrahim Sadaqa,
• Satrialdi,
• Fransiska Kurniawan and
• Diky Mudhakir

Beilstein J. Nanotechnol. 2024, 15, 1667–1685, doi:10.3762/bjnano.15.131

• membrane structure and dynamics. In contrast, the density profile for AUR (Figure 6c) shows a peak near the water–membrane interface, indicating a more superficial insertion compared to OLA. AUR’s density decreases significantly toward the bilayer center, highlighting its preference for interacting with

Fabrication of hafnium-based nanoparticles and nanostructures using picosecond laser ablation

• Abhishek Das,
• Mangababu Akkanaboina,
• Jagannath Rathod,
• R. Sai Prasad Goud,
• Kanaka Ravi Kumar,
• Raghu C. Reddy,
• Ratheesh Ravendran,
• Katia Vutova,
• S. V. S. Nageswara Rao and
• Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1639–1653, doi:10.3762/bjnano.15.129

• different liquid media, namely, deionised water (DW), toluene, and anisole, to fabricate HfO2 and HfC NPs along with Hf NSs. Spherical HfO2 NPs and nanofibres were formed when Hf was ablated in DW. Hf ablated in toluene and anisole demonstrated the formation of core–shell NPs of HfC with a graphitic shell

• carbides [11][31]. In one of our earlier works [10], we performed femtosecond ablation and reported the formation of colloidal hafnium oxide NPs and nanoribbons in deionised water. The average sizes of NPs and nanoribbons were 13.5–18.0 and 10–20 nm, respectively. Further, we also reported that monoclinic

• duration (picosecond pulses used here) and the surrounding liquid medium on the laser-ablated Hf-based NPs and NSs. Three different solvents, deionised water (DW; inorganic and oxygen-containing), toluene (organic and oxygen-free), and anisole (organic and oxygen-containing), have been chosen as ablation

Natural nanofibers embedded in the seed mucilage envelope: composite hydrogels with specific adhesive and frictional properties

• Agnieszka Kreitschitz and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2024, 15, 1603–1618, doi:10.3762/bjnano.15.126

• , three-dimensional network of polysaccharides (cellulose, pectins, and hemicelluloses) and is able to absorb large amounts of water. Depending on the water content, mucilage can behave as an efficient lubricant or as strong glue. The current work attempts to summarise the achievements in the research on

• hydrophilic, three-dimensional (3D), polymeric networks able to absorb huge amounts of water [1][2][3]. This term refers perfectly to the mucilage envelope produced by many fruits and seeds (diaspores) of diverse plant taxa [4][5][6][7][8][9]. Mucilage is considered as a natural hydrogel and shares specific

• . Macroscopically observable mucilage is often a transparent, gel-like capsule formed around the diaspore after hydration with water (Figure 1). At the microscale mucilage exhibits, before hydration, successive layers formed by adcrustation in the mucilaginous cells of the seed/fruit coat (the outermost covering of

Liver-targeting iron oxide nanoparticles and their complexes with plant extracts for biocompatibility

• Shushanik A. Kazaryan,
• Seda A. Oganian,
• Gayane S. Vardanyan,
• Anatolie S. Sidorenko and
• Ashkhen A. Hovhannisyan

Beilstein J. Nanotechnol. 2024, 15, 1593–1602, doi:10.3762/bjnano.15.125

• . Then, the mixture was thoroughly mixed and heated at 80 °C for 1 h until the color of the mixture turned from brown to black. The resulting black precipitate of Fe3O4 NPs was washed three times with deionized water and then dispersed for 40 min in an ultrasonic disintegrator (Ultrasonic Homogenizer

• MassLynx data processing software. Separation was done on a C-18 column (Knauer, Germany, 250 × 4 mm, particle size 4.5 nm) at an elution rate of 1 mL/min with the following gradient elution system: HPLC-grade water with 0.1% orthophosphoric acid (solution A, Carlo Erba, France), acetonitrile (solution B

• model Experiments were conducted on mature male white Wistar rats weighing 190–210 g. The animals were kept on a regular diet and water regimen at a temperature of 25 ± 2 °C, 55% ± 5% humidity, and a 12 h day/night cycle. The animals were randomly divided into seven experimental groups of five to six

Facile synthesis of size-tunable L-carnosine-capped silver nanoparticles and their role in metal ion sensing and catalytic degradation of p-nitrophenol

• Akash Kumar,
• Ridhima Chadha,
• Abhishek Das,
• Nandita Maiti and
• Rayavarapu Raja Gopal

Beilstein J. Nanotechnol. 2024, 15, 1576–1592, doi:10.3762/bjnano.15.124

• purification. Before the experiment, glassware was cleaned with aqua regia and rinsed twice with double distilled (DD) water. Methods Tunable plasmonic silver nanoparticle synthesis using ʟ-carnosine Silver nanoparticles with tunable plasmon wavelength were synthesized using a wet-chemical reduction approach

• -car-AgNP1 was synthesized at room temperature (RT = 25 °C), with the addition of 1 mL ʟ-carnosine (0.01 M) to 5 mL DD water followed by sequential additions of 100 μL NaOH (1 M), 1 mL AgNO3 (0.01 M), and 1 mL NaBH4 (0.001 M). The other samples, ʟ-car-AgNP2, ʟ-car-AgNP3, ʟ-car-AgNP4, and ʟ-car-AgNP5

• , were synthesized at temperatures of 40, 60, and 80 °C and at boiling temperature, respectively. The synthesis procedure for ʟ-car-AgNP2 to ʟ-car-AgNP5 was similar, with the reaction mixture comprising 1 mL ʟ-carnosine (0.01 M) added to 5 mL DD water, followed by sequential additions of 50 μL NaOH (1 M

Green synthesis of silver nanoparticles derived from algae and their larvicidal properties to control Aedes aegypti

• Matheus Alves Siqueira de Assunção,
• Douglas Dourado,
• Daiane Rodrigues dos Santos,
• Gabriel Bezerra Faierstein,
• Mara Elga Medeiros Braga,
• Severino Alves Junior,
• Rosângela Maria Rodrigues Barbosa,
• Herminio José Cipriano de Sousa and
• Fábio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 1566–1575, doi:10.3762/bjnano.15.123

• characteristics such as greater absorption capacity, greater bioavailability, controlled release of active ingredients, improved solubility of hydrophobic substances in water, and good kinetic stability [12][13][14]. Metallic nanoparticles have been investigated as a promising approach for vector control. The

• /100 mL of purified water) by heating the mixture for 5 min and decanting for 1 h. After this process, the mixture was filtered and stored for 5 days at 15 °C. Finally, the filtered solution was treated with an aqueous solution of AgNO3 (1 mM) and incubated at room temperature. The chemical compounds

• ethanol, concentrated in a rotary vacuum evaporator, and finally stored at refrigerator temperature. A hydroalcoholic extract was produced by adding 1 mL of S. natans extract to 99 mL of purified water and 0.5 mL of Triton®. This extract was treated with AgNO3 (100 mM; 99:1) and conditioned at room

Ultrablack color in velvet ant cuticle

• Vinicius Marques Lopez,
• Wencke Krings,
• Juliana Reis Machado,
• Stanislav Gorb and
• Rhainer Guillermo-Ferreira

Beilstein J. Nanotechnol. 2024, 15, 1554–1565, doi:10.3762/bjnano.15.122

• purity, water-free, Carl Roth GmbH & Co. KG, Karlsruhe, Germany) and covered with a glass slip. Following the method described in [10], we documented the samples using a Zeiss LSM 700 confocal laser scanning microscope (Carl Zeiss Microscopy GmbH, Jena, Germany). Four stable solid-state lasers emitting

The round-robin approach applied to nanoinformatics: consensus prediction of nanomaterials zeta potential

• Dimitra-Danai Varsou,
• Arkaprava Banerjee,
• Joyita Roy,
• Kunal Roy,
• Giannis Savvas,
• Haralambos Sarimveis,
• Ewelina Wyrzykowska,
• Mateusz Balicki,
• Tomasz Puzyn,
• Georgia Melagraki,
• Iseult Lynch and
• Antreas Afantitis

Beilstein J. Nanotechnol. 2024, 15, 1536–1553, doi:10.3762/bjnano.15.121

• the ZP in media besides water. Wyrzykowska et al. [32] proposed a nano-QSPR model for the prediction of the ZP of 15 NPs in a low-concentration KCl solution considering the NPs’ ZP in water and the periodic number of the NPs metal. Read-across approaches presented to date include a k-nearest

• [36], the following four were included in this study because of the completeness of the data (absence of data gaps): the NMs’ core chemistry, coating, morphology, and hydrodynamic diameter measured using dynamic light scattering (DLS). The ZP of the NMs was measured in water (pH 6.5–8.5). To enrich

• studies [37]. These descriptors were chemical formula-related descriptors, specifically the numbers of metal and oxygen atoms present in the core’s chemical formula and the molecular weight of the core compound. Finally, the Hamaker constants [38] of the NMs were calculated in vacuum and in water using

Electrochemical nanostructured CuBTC/FeBTC MOF composite sensor for enrofloxacin detection

• Thi Kim Ngan Nguyen,
• Tien Dat Doan,
• Huy Hieu Luu,
• Hoang Anh Nguyen,
• Thi Thu Ha Vu,
• Quang Hai Tran,
• Ha Tran Nguyen,
• Thanh Binh Dang,
• Thi Hai Yen Pham and
• Mai Ha Hoang

Beilstein J. Nanotechnol. 2024, 15, 1522–1535, doi:10.3762/bjnano.15.120

• analysing tap and lake water samples, with recovery rates ranging from 90.2% to 121.3%. Keywords: CuBTC; electrochemical sensor; enrofloxacin; FeBTC; metal-organic framework; Introduction Enrofloxacin (ENR) is a quinolinemonocarboxylic acid and a third-generation fluoroquinolone. This antibiotic is

• the MOFs. A sensor for simultaneously detecting hydroquinone and catechol in water using a Cu-MOF–graphene composite was developed by Li and colleagues. Measurement ranges beginning at 1.0 × 10−6 and 1.0 × 10−3 M were achieved, with LODs of 5.9 × 10−7 M and 3.3 × 10−7 M for hydroquinone and catechol

• The performance of the developed sensor was assessed by quantifying ENR levels in tap water and lake water. Different amounts of ENR were added to samples, ranging from 0.2 to 3.0 µM. ENR concentrations were determined using the standard addition method (Table 1). Notably, no ENR was initially

Polymer lipid hybrid nanoparticles for phytochemical delivery: challenges, progress, and future prospects

• Iqra Rahat,
• Pooja Yadav,
• Aditi Singhal,
• Mohammad Fareed,
• Jaganathan Raja Purushothaman,
• Mohammed Aslam,
• Raju Balaji,
• Sonali Patil-Shinde and
• Md. Rizwanullah

Beilstein J. Nanotechnol. 2024, 15, 1473–1497, doi:10.3762/bjnano.15.118

• wide range of therapeutic properties, including antioxidant, anti-inflammatory, anticancer, and antimicrobial activities. However, their clinical application is often hindered by poor water solubility, low bioavailability, rapid metabolism, and instability under physiological conditions. Polymer lipid

• compounds, and antimicrobials, offering a natural and multifaceted arsenal for combating a wide array of diseases [6][7][8]. Despite their promising bioactivities, the clinical application of phytochemicals is often limited by several inherent drawbacks such as poor water solubility, low bioavailability

• water solubility. Many phytochemicals are hydrophobic and show poor water solubility, which significantly restricts their absorption in the gastrointestinal tract (GIT) when administered orally. This low solubility leads to low bioavailability, resulting in sub-therapeutic levels of the phytochemical at

Nanotechnological approaches for efficient N2B delivery: from small-molecule drugs to biopharmaceuticals

• Selin Akpinar Adscheid,
• Akif E. Türeli,
• Nazende Günday-Türeli and
• Marc Schneider

Beilstein J. Nanotechnol. 2024, 15, 1400–1414, doi:10.3762/bjnano.15.113

• stabilized with tocopherol polyethylene glycol succinate (TPGS) were proposed against Alzheimer’s disease. TPGS, a water-soluble precursor of vitamin E, was used in the formulation to reduce the amyloid-beta-induced oxidative stress [114]. In vivo tests on Wistar rats highlighted that the mucoadhesive

Various CVD-grown ZnO nanostructures for nanodevices and interdisciplinary applications

• The-Long Phan,
• Le Viet Cuong,
• Vu Dinh Lam and
• Ngoc Toan Dang

Beilstein J. Nanotechnol. 2024, 15, 1390–1399, doi:10.3762/bjnano.15.112

• ], photocatalytic degradation [41], and water splitting for hydrogen technologies [38]. Figure 3a–d show SEM images of ZnO tetrapods. These various morphologies were grown at approx. 625–650 °C. The first one, named T1 in Figure 3a, has needle-like arms of ≈1 μm of length. The dimeter of the arms is less than 50 nm

A biomimetic approach towards a universal slippery liquid infused surface coating

• Ryan A. Faase,
• Madeleine H. Hummel,
• AnneMarie V. Hasbrook,
• Andrew P. Carpenter and
• Joe E. Baio

Beilstein J. Nanotechnol. 2024, 15, 1376–1389, doi:10.3762/bjnano.15.111

• to use. These biomimetic surface functionalization steps were confirmed by several complimentary surface analysis techniques. The wettability of each surface was probed with water contact angle measurements, while the chemical composition of the layer was determined by X-ray photoelectron

• copolymer (COC), silicon, and 316 stainless steel (SS) as our substrates. These substrates were first coated with PDA; then, a fluorinated thiol was attached to serve as the anchor for the infused fluid. The resulting surface modifications were then characterized by water contact angle measurements, atomic

• force microscopy (AFM), sum frequency generation spectroscopy (SFG), and X-ray photoelectron spectroscopy (XPS). Measuring static water contact angles is a straightforward method to determine the relative wettability of a material and allows for a quick check if our surface modifications were successful

Green synthesis of carbon dot structures from Rheum Ribes and Schottky diode fabrication

• Muhammed Taha Durmus and
• Ebru Bozkurt

Beilstein J. Nanotechnol. 2024, 15, 1369–1375, doi:10.3762/bjnano.15.110

• nanostructures are carbon dot structures (CDs). These structures have recently become a common field of study because of their properties including chemical stability, water solubility, and easy synthesis and functionalization. Carbon dots, were first discovered by Xu and his working group [1] while purifying

• electron microscopy (SEM), I–V/C–V measurements, UV–vis spectroscopy, and steady-state fluorescence spectroscopy, respectively. CDs synthesis 2.5 g of the powdered Rheum ribes plant was placed in an autoclave bottle, and 50 mL of pure water was added to the bottle. This aqueous solution was placed in an

• substrate was cut to approximately 1 cm2 in size and cleaned by washing it in acetone, methanol, and pure water for 10 min each. An ohmic contact was made with aluminum on the cleaned sample at 1 × 10−7 Torr vacuum in a PVD thermal evaporation device. Approximately 30 μL of the CDs stock solution was taken

Hymenoptera and biomimetic surfaces: insights and innovations

• Vinicius Marques Lopez,
• Carlo Polidori and
• Rhainer Guillermo Ferreira

Beilstein J. Nanotechnol. 2024, 15, 1333–1352, doi:10.3762/bjnano.15.107

• sculptured and thick cuticle of some hymenopterans is also associated with increased resistance to fractures and high pressures [16] and may also potentially reduce water loss [17][18]. Alternative hypotheses yet to be tested for the function of such complex cuticle sculpturing is the air drag reduction

Nanoarchitectonics with cetrimonium bromide on metal nanoparticles for linker-free detection of toxic metal ions and catalytic degradation of 4-nitrophenol

• Akash Kumar and
• Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 1312–1332, doi:10.3762/bjnano.15.106

• the increased release of pollutants into the environment, causing health concerns to humans. Untreated industrial effluents are released, and most heavy metal ions accumulate in water higher than the permissible limits, pollute drinking water, and are non-biodegradable. Heavy metal ions are

• purchased from CDH Fine Chemicals, India. The chemicals obtained were used without further purification. All glassware was cleaned with aqua regia and rinsed with double distilled (DD) water before use. Cetrimonium bromide as capping agent CTAB-AgNS (silver nanospheres) and CTAB-AuNS (gold nanospheres) were

• synthesized via wet chemical synthesis using slightly modified protocols [28][29]. In a typical synthesis carried out at 80 °C, 0.5 mL of AgNO3 (100 mM) was reduced using 1 mL of 100 mM NaBH4 in the presence of 5 mL DD water premixed with 1 mL of 100 mM cetrimonium bromide (CTAB) under stirring at 800 rpm

Interaction of graphene oxide with tannic acid: computational modeling and toxicity mitigation in C. elegans

• Romana Petry,
• James M. de Almeida,
• Francine Côa,
• Felipe Crasto de Lima,
• Diego Stéfani T. Martinez and
• Adalberto Fazzio

Beilstein J. Nanotechnol. 2024, 15, 1297–1311, doi:10.3762/bjnano.15.105

• , carboxyl, ether, and carbonyl groups. The sheets present different levels of oxidation as well as specific structures such as edges, wrinkles, and holes. Because of its surface chemistry, GO has better water solubility than graphene; furthermore, it is straightforward to be functionalized and synthesized

• elegans. Ouyang et al. [12] showed that small molecules (e.g., polycyclic aromatic hydrocarbons) and heavy metals, present in the natural water as nanocolloids, potentiate GO’s phytotoxicity. Moreover, biomolecules such as polysaccharides, proteins, lipids, and humic acids may interact with the material’s

• carbon (C sp3) (28%). The properties of this material are in accordance with other GO samples used for nanotoxicology and environmental applications. In this work, we characterized the material after interaction with the moderately hard reconstituted water defined by the U.S. Environmental Protection

Mn-doped ZnO nanopowders prepared by sol–gel and microwave-assisted sol–gel methods and their photocatalytic properties

• Cristina Maria Vlăduț,
• Crina Anastasescu,
• Silviu Preda,
• Oana Catalina Mocioiu,
• Simona Petrescu,
• Jeanina Pandele-Cusu,
• Dana Culita,
• Veronica Bratan,
• Ioan Balint and
• Maria Zaharescu

Beilstein J. Nanotechnol. 2024, 15, 1283–1296, doi:10.3762/bjnano.15.104

• generated CO2 were measured for both catalysts. These inexpensive semiconductor materials, which proved to be light-responsive, can be further used for developing water depollution technologies based on solar light energy. Keywords: microwave-assisted synthesis; oxalic acid mineralization; semiconductor

• photocatalysts; water depollution; Introduction Over the past decades, significant research has been focused on designing and preparing nanostructures of various shapes and sizes, which exhibit unique properties and potential applications [1]. Considerable advancements have been made in synthesizing

• ample opportunities for future investigations despite the large number of such data already reported on ZnO materials. Mn-doped ZnO materials synthesized by SG and its derivative methods can be successfully used for photodriven oxidation processes and water depollution since they are inexpensive, not