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

• , sulfated polysaccharides and other biomolecules. The latter include flavonoids, alkaloids, steroids, phenols, and saponins with hydroxy, carboxyl, and amino functional groups, which are effective agents in metal reduction and also provide a robust coating on the metallic nanoparticles in a single step [42

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

• sunlight (personal observations). For subsequent analyses, we utilized female specimens collected from Caatinga regions in Pernambuco, Brazil (09°19’44.2’’S, 42°33’30’’W) in February 2022. The specimens were preserved in absolute alcohol. Scanning electron microscopy (SEM) To investigate the internal

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

• benefits of this algorithm besides its robustness include resistance to overfitting and the ability to process datasets with numerous variables without the need of feature scaling [42]. This algorithm was implemented in Python, using scikit-learn package, a widely used library for ML models. Adaboost

• employed to identify and eliminate descriptors that contributed minimally to the model’s prediction accuracy. After this extensive parameter tuning, the optimal model was identified (128 estimators, maximum depth of five and random state equal to 42) as well as the optimal features (DLS, coating

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

• )BTC@CPE were calculated to be 742, 1710, and 547 Ω, respectively. It is evident that CuBTC increased the Rct of the CuBTC@CPE electrode more than twofold compared to the CPE electrode, likely because of its low electron conductivity [41][42]. However, the addition of FeBTC, which has a low Rct of 220

Integrating high-performance computing, machine learning, data management workflows, and infrastructures for multiscale simulations and nanomaterials technologies

• Fabio Le Piane,
• Mario Vozza,
• Matteo Baldoni and
• Francesco Mercuri

Beilstein J. Nanotechnol. 2024, 15, 1498–1521, doi:10.3762/bjnano.15.119

• technological questions into simulation and modelling workflows [42][43]. Additionally, these tools often come with pre-built databases, libraries, and visualization capabilities, further enhancing their usability and efficiency. In this work, we outline different aspects of data-intensive digital and

• expertise. Efforts to enhance the accessibility and affordability of HPC resources, along with user-friendly software interfaces, can help overcome these challenges [19][42][43]. Moreover, the integration of experimental and computational data presents a significant hurdle. Aligning experimental protocols

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

• , prolongs their circulation time in the body, and enhances their therapeutic effectiveness [42][43]. Additionally, surface engineering of PLHNPs with different ligands facilitates specific delivery of drug/phytochemicals to desired tissues or cells, reduces their adverse effects, and improves their

Effect of radiation-induced vacancy saturation on the first-order phase transformation in nanoparticles: insights from a model

• Aram Shirinyan and
• Yuriy Bilogorodskyy

Beilstein J. Nanotechnol. 2024, 15, 1453–1472, doi:10.3762/bjnano.15.117

• comparison, in SiC, the energy of silicon vacancy migration is nearly 2.4 eV, and the energy of carbon vacancy migration is about 3.6 eV [42][43][44]. We focus on vacancy migration energies at the end of the paper and detail the findings. The surface energies σα and σβ of an iron-like nanoparticle are

Strain-induced bandgap engineering in 2D ψ-graphene materials: a first-principles study

• Kamal Kumar,
• Nora H. de Leeuw,
• Jost Adam and
• Abhishek Kumar Mishra

Beilstein J. Nanotechnol. 2024, 15, 1440–1452, doi:10.3762/bjnano.15.116

• ]. Although a successful experimental synthesis of ψ-graphene has not yet been realized, many theoretical investigations have been carried out by different research teams to study its various potential applications in sensors, lithium-ion batteries, and hydrogen storage [16][39][42]. We have recently employed

• an anode material in Li-ion batteries [16]. Theoretical investigations also suggest that when ψ-graphene is decorated with transition metals like zirconium, yttrium, and titanium, it can serve as an excellent adsorbent for hydrogen storage [42][44][45]. DFT calculations have shown that the adsorption

• energies of hydrogen molecules over Zr-, Y-, and Ti-decorated ψ-graphene are found to lie within the standard range of −0.2 to −0.7 eV specified by the Department of Energy (DoE) [42][44][45]. However, bandgap engineering, for example, passivation, doping, or strain engineering, is crucial to modify and

Ion-induced surface reactions and deposition from Pt(CO)₂Cl₂ and Pt(CO)₂Br₂

• Mohammed K. Abdel-Rahman,
• Patrick M. Eckhert,
• Atul Chaudhary,
• Johnathon M. Johnson,
• Jo-Chi Yu,
• Lisa McElwee-White and
• D. Howard Fairbrother

Beilstein J. Nanotechnol. 2024, 15, 1427–1439, doi:10.3762/bjnano.15.115

• emission, and physical sputtering of adsorbed or substrate atoms [21][22][25][31][36][37][38][39][40]. Ion-induced deposition can occur via a momentum/energy transfer process [21][25][41][42] that results in the decomposition of the precursor to form volatile species and an involatile deposit containing

Lithium niobate on insulator: an emerging nanophotonic crystal for optimized light control

• Midhun Murali,
• Amit Banerjee and
• Tanmoy Basu

Beilstein J. Nanotechnol. 2024, 15, 1415–1426, doi:10.3762/bjnano.15.114

• potential as a next-generation photovoltaic technology [41][42]. These cells offer a compelling alternative to traditional silicon solar cells because of the low manufacturing cost. Additionally, CQDs possess a unique property – their bandgap can be tuned by adjusting the size of the dots. This allows them

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

• action [41]. Intranasal delivery can be used to target a limitedly available site, the brain [42]. These N2B delivery applications are based on the olfactory region of the nasal cavity. Such N2B delivery applications exploit the direct anatomical connection between the brain and the olfactory region [43

• ]. N2B drug transport includes intracellular, paracellular, and extracellular mechanisms [42]. While the intracellular pathway is based on the drug’s internalization by the neurons followed by axonal transport, the extracellular pathway is based on the drugs’ transport through the paracellular space [61

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

• shorter arms of ≈5 μm. The other tetrapods shown in Figure 3d, named T4, have pestle-like/cylindrical arms with unchanged diameter sizes of ≈800 nm, which were mixed with some multi-arm structures. According to the octa-twin model [42], the central nucleus is an octahedral multi-inversion twin that has

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

• spectra (Figure 3b,d,f) yield peak envelopes made up of four distinct peaks. These four peaks from high to low binding energies, correspond to C–C/C–H bonds (285 eV), C=O bonds (288 eV), and two peaks related to fluorinated species (CF2 at 290.6 eV and CF3 at 293 eV) [28][42]. The C–C and C=O peaks likely

Out-of-plane polarization induces a picosecond photoresponse in rhombohedral stacked bilayer WSe₂

• Guixian Liu,
• Yufan Wang,
• Zhoujuan Xu,
• Zhouxiaosong Zeng,
• Lanyu Huang,
• Cuihuan Ge and
• Xiao Wang

Beilstein J. Nanotechnol. 2024, 15, 1362–1368, doi:10.3762/bjnano.15.109

• ][41][42]. Figure 2b shows the power-law relationship between photocurrent (Iph) and excitation power (P), Iph = P0.6, indicating that the photocurrent exhibits sublinear growth, consistent with the saturation effect. In Figure 2c, the TRPC measurement curve shows a symmetric dip at zero time delay

• absorption, graphene has been used to prepare high-speed photodetectors with intrinsic photocurrent response times down to the picosecond level [42]. Notably, under the same excitation conditions, comparison of the TRPC curves between the heterojunction and the graphene region in the heterojunction revealed

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

• tiny structures belong to two main functional types. They are either mechanosensory and belong to the peripheral nervous system or they have no sensing role and serve to prevent wetting of, for example, wings and legs [41][42][43][44]. Other functions include the detection of airflow patterns, for

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

• is attributed to the CH2 scissoring mode and indicates close-packing of the methylene chains [42]. However, for CTAB-AgNS, CTAB-AuNS, CTAB-AuNR1, and CTAB-AuNR2, the peak splits into two parts with different intensities because of crystallinity loss in the hydrocarbon regions or the morphology of the

• peaks at around 38.2°, 44.1°, 64.5°, and 77.4°, corresponding to the (111), (200), (220), and (311) planes, respectively [42]. In the case of CTAB-AgNS, we observe major peaks at 38.1°, 44.3°, 64.4°, and 77.5°, corresponding to the (111), (200), (220), and (311) planes [44]. However, we also observed

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

• correspond to C=O, aromatic C=C, phenolic C–OH, and C–O from esters groups connecting the aromatic rings [28][42][43][44]. Important shifts are observed in the C=O-related band of GO. For TA, this band appears at 1704 cm−1 (number 6 in Figure 2a) and for GO at 1734 cm−1, while there is a decrease in

• so-called NPT conditions, for a period of 4.00 ns, with a time step of 0.25 fs, starting from the system in equilibrium at 300 K. The initial system consisted of a representative GO flake obtained from [73], with dimensions of 42 × 20 Å and an oxidation level of 12.5%, and the TA free-energy-minimum

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

• characteristic to vibrations of C–H bonds in CH2 and CH3 groups. The bands are shifted from their position in the spectrum of pure zinc acetate [42]. The asymmetric and symmetric stretchings of C=O in COO– groups occur in the FTIR spectra at 1580 and 1418 cm−1, respectively. The symmetric stretching of the C–O

• bond in COO– groups is present at 1045 cm−1 [42]. The small bands at 897 and 810 cm−1 are assigned to the stretching of C–C bonds and that at 509 cm−1 to the rocking of C–C bonds. The bands below 677 cm−1 are related to Zn–O vibrations [43][44][45][46]. The small bands at 408 and 421 cm−1 are

• step width of 0.02°. The phase identification was performed using the search/match algorithm connected to (ICDD PDF-2). Nitrogen adsorption–desorption isotherms (BET) at 77 K were recorded on a Micromeritics ASAP 2020 analyzer (Norcross, GA, USA). The samples were degassed at 200 °C for 4 h under

New design of operational MEMS bridges for measurements of properties of FEBID-based nanostructures

• Bartosz Pruchnik,
• Krzysztof Kwoka,
• Ewelina Gacka,
• Dominik Badura,
• Piotr Kunicki,
• Andrzej Sierakowski,
• Paweł Janus,
• Tomasz Piasecki and
• Teodor Gotszalk

Beilstein J. Nanotechnol. 2024, 15, 1273–1282, doi:10.3762/bjnano.15.103

• residual strain field induced by processing steps. The concept of eigenstrain is flexible enough to include all residual stresses in solids [42]. This is done using pseudo-thermal strain, which induces an arbitrary eigenstrain field, which is then compared with experimental data [43]. The aim of the

Functional morphology of cleaning devices in the damselfly Ischnura elegans (Odonata, Coenagrionidae)

• Silvana Piersanti,
• Gianandrea Salerno,
• Wencke Krings,
• Stanislav Gorb and
• Manuela Rebora

Beilstein J. Nanotechnol. 2024, 15, 1260–1272, doi:10.3762/bjnano.15.102

• , antennal grooming is typically performed using mouthparts to ingest debris [20][42]. These insects clean one antenna at a time by lowering it, then using the ipsilateral foreleg to pull it through the mouthparts from base to tip. This ancestral cleaning pattern has disappeared in insects with more

• , which possesses chewing mouthparts and achieves antennal debris removal scraping directly the antenna over the glossa, most of the debris are manipulated into the hypopharynx and ingested when grooming is completed [42]. Further studies could clarify the biomechanics of foretibiae cleaning in Odonata

The role of a tantalum interlayer in enhancing the properties of Fe₃O₄ thin films

• Hai Dang Ngo,
• Vo Doan Thanh Truong,
• Van Qui Le,
• Hoai Phuong Pham and
• Thi Kim Hang Pham

Beilstein J. Nanotechnol. 2024, 15, 1253–1259, doi:10.3762/bjnano.15.101

• affect Ms [39][40]. In reports [41][42], APBs in Fe3O4 thin films lead to the reduction of saturation magnetization compared to bulk Fe3O4 (510 emu/cm3) [29]. Therefore, sample 3 has the highest Ms because of the smallest number of APBs among all samples. Using a double buffer layer of MgO/Ta to lower

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

• is present in large quantities in FBS, proteins with different molecular weights can be adsorbed depending on their affinity to the NP surface, allowing less abundant proteins to be identified [42]. According to the results, while non-functionalized SiO2NPs presented the lowest albumin concentration

Enhanced catalytic reduction through in situ synthesized gold nanoparticles embedded in glucosamine/alginate nanocomposites

• Chi-Hien Dang,
• Le-Kim-Thuy Nguyen,
• Minh-Trong Tran,
• Van-Dung Le,
• Nguyen Minh Ty,
• T. Ngoc Han Pham,
• Hieu Vu-Quang,
• Tran Thi Kim Chi,
• Tran Thi Huong Giang,
• Nguyen Thi Thanh Tu and
• Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1227–1237, doi:10.3762/bjnano.15.99

• mechanism involves the transfer of electrons from BH4− (the electron donor) to the dye (the electron acceptor) facilitated by the surface of the metal nanoparticles [42][43]. Prior to electron transfer, dye and BH4− are adsorbed onto the catalyst surface, as depicted in Figure 5. Consequently, the

Realizing active targeting in cancer nanomedicine with ultrasmall nanoparticles

• André F. Lima,
• Giselle Z. Justo and
• Alioscka A. Sousa

Beilstein J. Nanotechnol. 2024, 15, 1208–1226, doi:10.3762/bjnano.15.98

• function as a more conventional NP platform in nanomedicine applications [18][21][22][38][39][40]. In diagnostic applications, usNPs have been employed in diverse imaging modalities, including optical imaging [41][42], X-ray computer tomography [43], photoacoustic imaging [41][44], magnetic resonance

Synthesis, characterization and anticancer effect of doxorubicin-loaded dual stimuli-responsive smart nanopolymers

• Ömür Acet,
• Pavel Kirsanov,
• Burcu Önal Acet,
• Inessa Halets-Bui,
• Dzmitry Shcharbin,
• Şeyda Ceylan Cömert and
• Mehmet Odabaşı

Beilstein J. Nanotechnol. 2024, 15, 1189–1196, doi:10.3762/bjnano.15.96

• inhibited at pH 5.0 in a medium with DOX–polyelectrolyte multilayers [41]. Regarding the possibility of using DOX-SNP complexes in vivo we can refer to the behavior of the similar PEG-PLGA-DOX polymersome complex [42]. It was found that PEG-PLGA-DOX polymersomes accumulated in tumor lesions, and after 48 h

• heamatological tests. The authors concluded that DOX polymersomes have less side effects than Doxil because of the biodegradability and release features of the complex [42]. Conclusion Specifically designed nanomedicines can deliver various agents simultaneously to a desired site of action, resulting in more