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

• example, through trichoid sensilla on the compound eyes of honeybees [45], which are important to maintain and coordinate flight. In general, the head capsule of Hymenoptera is densely covered with hairs and may be a ground-plan feature of Hymenoptera and a potential autapomorphy [46]. While the reason

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

• oxidation [46]. Interestingly, the centrifuged/as-prepared CTAB-AuNS0.5 (set 3) and AuNS1.0 (set 4) showed no plasmonic change upon the addition of different volumes of NaOH (Figure 4a,b). Also, no significant difference in the color of AuNS was observed (Figure 4a,b). This might be because the amount of

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

• [45][46]. In the absence of TA, the modulation of the C=0 stretching vibration intensity may indicate coordination of the divalent metal ions Ca2+ and Mg2+ present in EPA medium [47]. The intensity ratio between ID and IG bands in Raman spectroscopy analysis ranges from 0.94 ± 0.01, for the GO sample

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

• 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

• characteristic of Mn–O bond vibrations [44]. Based on the FTIR spectra, we can assume that during the gelation process a zinc-based gel with a structure similar to the one reported by Moezzi [46] was obtained. The primary distinction between the samples prepared by the two methods discussed in this article (SG

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

• Photonics, Łukasiewicz Research Network, Lotników 32/46, 02-668, Warsaw, Poland 10.3762/bjnano.15.103 Abstract Focused electron beam-induced deposition (FEBID) is a novel technique for the development of multimaterial nanostructures. More importantly, it is applicable to the fabrication of free-standing

• device, as has been shown in the case of FIB origami [46]. More recently, Masteghin et al. have shown how strain engineering and eigenstrain modification can influence single-material MEMS devices [47]. The exact mechanism depends on the ion and substrate materials, but surface amorphisation or material

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

• mouthparts and ingestion of debris is the most likely strategy, but the behavior involving antennal cleaning with mouthparts cannot be performed owing to the short antennae. Odonata antennae in adults are reduced in size, but they possess different kind of sensilla, such as chemoreceptors [44][45][46][47

• ] and thermo-hygroreceptors [44][45][46][47][48], which need frequent cleaning. Furthermore, the need to keep a clean eye surface to guarantee the functioning of the most advanced visual systems among insects ([35], review in [49]) requires the involvement of scraping forelegs with specialized cleaning

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

• containing ZW, a longer blood circulation time for these particles is expected, favoring hemolytic activity (Figure 3a) [46]. Therefore, hemolysis assay is essential to determine the safe use of SiO2NPs in vivo. Experiments were conducted using SiO2NPs diluted in PBS and incubated with packed red blood cells

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

• imaging [20][40], and positron emission tomography [45][46]. In therapeutic applications, usNPs have been used for drug delivery as well as served as phototherapeutic agents and radiosensitizers [47][48][49][50][51]. A distinguishing feature of usNPs is their transient, short-lived interactions with

AI-assisted models to predict chemotherapy drugs modified with C₆₀ fullerene derivatives

• Jonathan-Siu-Loong Robles-Hernández,
• Dora Iliana Medina,
• Katerin Aguirre-Hurtado,
• Marlene Bosquez,
• Roberto Salcedo and
• Alan Miralrio

Beilstein J. Nanotechnol. 2024, 15, 1170–1188, doi:10.3762/bjnano.15.95

• structure, as in the study of Muthiah and coworkers [45], was validated using PROCHECK [46] to check the quality of the protein structure. The PDB produced with the previous step was subsequently optimized by an energy minimization through Amber force fields using the USCF Chimera 1.14 toolkit [47]. The

Quantum-to-classical modeling of monolayer Ge₂Se₂ and its application in photovoltaic devices

• Anup Shrivastava,
• Shivani Saini,
• Dolly Kumari,
• Sanjai Singh and
• Jost Adam

Beilstein J. Nanotechnol. 2024, 15, 1153–1169, doi:10.3762/bjnano.15.94

• [41][42][46][47]. The optimum bandgap value and its CBM/VBM positions make it suitable for photovoltaic applications and provide a guideline for selecting the absorber layers in the solar cells. Notably, multivalley and flat bands are present in the energy band structure. The formation of multiple

• , and = 0.17328me) reported in the literature [46][47]. With that, we estimated the effective DOS values in the CB and the VB to be 0.1732 × 1019 /cm3 and 0.1887 × 1019 /cm3, respectively. The electron and hole thermal velocities for monolayer Ge2Se2 were estimated as 9.43 × 105 m/s and 2.668 × 105 m/s

• 3.873 eV, respectively, which are comparable with previously reported values of 3.39 eV and 3.9 eV [46][47]. A high degree of agreement for all estimated electronic parameters with earlier reported values validates the accuracy of our computation. Optical properties As discussed in the previous section

Photocatalytic methane oxidation over a TiO₂/SiNWs p–n junction catalyst at room temperature

• Qui Thanh Hoai Ta,
• Luan Minh Nguyen,
• Ngoc Hoi Nguyen,
• Phan Khanh Thinh Nguyen and
• Dai Hai Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1132–1141, doi:10.3762/bjnano.15.92

• photocatalysts. As depicted in Figure 4a, the Raman spectrum of Si exhibits a single peak located at 519 cm−1, corresponding to the first-order transverse optical (TO) mode of Si [46]. For the TiO2/Si photocatalyst, two distinct peaks were observed, namely, (i) the characteristic Eg vibration of TiO2, located at

Local work function on graphene nanoribbons

• Daniel Rothhardt,
• Amina Kimouche,
• Tillmann Klamroth and
• Regina Hoffmann-Vogel

Beilstein J. Nanotechnol. 2024, 15, 1125–1131, doi:10.3762/bjnano.15.91

• number of Fourier components. Previously, it has been shown that a line charge is a good approximation for electrostatic forces above graphene nanoribbons [41]. For a cylindrical charge with radius R, we expect an electrostatic potential that varies as where ρ is the charge per unit length [46]. We have

Recent updates in applications of nanomedicine for the treatment of hepatic fibrosis

• Damai Ria Setyawati,
• Fransiska Christydira Sekaringtyas,
• Riyona Desvy Pratiwi,
• A’liyatur Rosyidah,
• Rohimmahtunnissa Azhar,
• Nunik Gustini,
• Gita Syahputra,
• Idah Rosidah,
• Etik Mardliyati,
• Tarwadi and
• Sjaikhurrizal El Muttaqien

Beilstein J. Nanotechnol. 2024, 15, 1105–1116, doi:10.3762/bjnano.15.89

• the FDA up to 2019 [46]. They consist of PLGA microparticles, solid implants, and in situ gels; none of them is a PLGA NP formulation. This fact indicates that there are some challenges, including poor drug entrapment efficiency and drug release kinetics from PLGA nanoformulations [47]. Regarding

Unveiling the potential of alginate-based nanomaterials in sensing technology and smart delivery applications

• Shakhzodjon Uzokboev,
• Khojimukhammad Akhmadbekov,
• Ra’no Nuritdinova,
• Salah M. Tawfik and
• Yong-Ill Lee

Beilstein J. Nanotechnol. 2024, 15, 1077–1104, doi:10.3762/bjnano.15.88

• organs [46]. Another drawback is that current drug delivery technologies yield only limited bioavailability and change drug levels in plasma, making them incapable of long-term release. Without proper dispensing techniques, the entire treatment process may fail. In addition, the drug must be delivered at

• . These functional groups can include ligands or antibodies that specifically bind to the target cells or tissues [51]. Stimuli-responsive nanoparticles help reduce toxicity and control drug biodistribution [46]. Alginate-based nanoparticles The preparation methods of alginate-based nanoparticles The

Effect of wavelength and liquid on formation of Ag, Au, Ag/Au nanoparticles via picosecond laser ablation and SERS-based detection of DMMP

• Sree Satya Bharati Moram,
• Chandu Byram and
• Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1054–1069, doi:10.3762/bjnano.15.86

• ], pesticides on vegetables, dals [42], fruit surfaces [43], and explosives on rough surfaces [44][45]. In the last few years, our group has been continuously working on developing a flexible SERS substrate for the detection of various types of hazardous molecules: aggregated Ag and Au NPs on filter paper [46

• (i) the plasmonic performance of Ag, (ii) a large number of NPs loaded onto the filter paper (resulting in a high yield of NPs at 1064 nm), (iii) the presence of ions from NaCl which can lead to ion-enhanced SERS effects [37][46][61]. The investigations further focused on assessing the stability of a

Interface properties of nanostructured carbon-coated biological implants: an overview

• Mattia Bartoli,
• Francesca Cardano,
• Erik Piatti,
• Stefania Lettieri,
• Andrea Fin and
• Alberto Tagliaferro

Beilstein J. Nanotechnol. 2024, 15, 1041–1053, doi:10.3762/bjnano.15.85

• oxygen functionalities (hydroxy, epoxy, carbonyl, and carboxylic groups) arranged according to the Lerf–Klinowski model [45]. GO is generally produced through chemical oxidation and exfoliation of graphite flakes with different protocols to tune the oxygen content [46][47]. The defective structure of GO

Entry of nanoparticles into cells and tissues: status and challenges

• Kirsten Sandvig,
• Tore Geir Iversen and
• Tore Skotland

Beilstein J. Nanotechnol. 2024, 15, 1017–1029, doi:10.3762/bjnano.15.83

• as a control to see that the treatment reduces the uptake of this ligand. Chlorpromazine has been reported to lead to relocalization of clathrin and the adaptor AP2 from the plasma membrane and to endosomes [46]. Notably, this is associated with an inhibition of the recycling of receptors for α2

• -macroglobulin, EGF, and transferrin, and a concomitant depletion of these receptors at the plasma membrane [46]. One might expect that other receptors that normally recycle after uptake from clathrin-coated pits are also affected in a similar manner, and that NPs targeting such receptors might have a reduced

Atomistic insights into the morphological dynamics of gold and platinum nanoparticles: MD simulations in vacuum and aqueous media

• Evangelos Voyiatzis,
• Eugenia Valsami-Jones and
• Antreas Afantitis

Beilstein J. Nanotechnol. 2024, 15, 995–1009, doi:10.3762/bjnano.15.81

• molecular dynamics [44]. The strong decrease of the melting point of small Au NPs compared to bulk Au was quantified by Qiao et al. [45]. Nayebi and Zaminpayma [46] as well as Shim et al. [47] studied the crystallization of liquid Au NPs. The dependence of the surface energy of gold NPs on their size and

Recent progress on field-effect transistor-based biosensors: device perspective

• Billel Smaani,
• Fares Nafa,
• Mohamed Salah Benlatrech,
• Ismahan Mahdi,
• Hamza Akroum,
• Mohamed walid Azizi,
• Khaled Harrar and
• Sayan Kanungo

Beilstein J. Nanotechnol. 2024, 15, 977–994, doi:10.3762/bjnano.15.80

• biological characteristics of the target biomolecules into measurable and quantifiable electrical signals [43]. In this sense, various types of biosensors have been designed using electrical [44], thermal [45], and optical signals [46]. Among these, FET-based biosensors have garnered significant attention

Beyond biomimicry – next generation applications of bioinspired adhesives from microfluidics to composites

• Dan Sameoto

Beilstein J. Nanotechnol. 2024, 15, 965–976, doi:10.3762/bjnano.15.79

• under light loads but become adhesive upon applying a certain minimum pressure level. This concept inspired the first generation of gecko-jammed composites presented at the Adhesion Society annual meeting in 2020 [46]. To achieve a cost-effective system, we opted for commercial biomimetic materials from

• ) Images taken as screen captures from a video demonstrating shape morphing/fixing capability of a gecko tape composite. Images are reproduced from [46] © The Adhesion Society. This content is not subject to CC BY 4.0. (a) i) Schematic of two gecko adhesives in their default non-adhesive state, ii

Therapeutic effect of F127-folate@PLGA/CHL/IR780 nanoparticles on folate receptor-expressing cancer cells

• Thi Ngoc Han Pham,
• Phuong-Thao Dang-Luong,
• Hong-Phuc Nguyen,
• Loc Le-Tuan,
• Xuan Thang Cao,
• Thanh-Danh Nguyen,
• Vy Tran Anh and
• Hieu Vu_Quang

Beilstein J. Nanotechnol. 2024, 15, 954–964, doi:10.3762/bjnano.15.78

• attachment to the surface of the nanoparticles and the loosening of PLGA in the outer shell of the nanoparticles [3]. Notably, PLGA breaks down faster in an acidic environment; therefore, the medication is released more rapidly in the endosome of the cell than at a neutral pH [46]. There was a burst release

Electrospun nanofibers: building blocks for the repair of bone tissue

• Tuğrul Mert Serim,
• Gülin Amasya,
• Tuğba Eren-Böncü,
• Ceyda Tuba Şengel-Türk and
• Ayşe Nurten Özdemir

Beilstein J. Nanotechnol. 2024, 15, 941–953, doi:10.3762/bjnano.15.77

• direction of the motion axis, resulting in a disorganized network structure on the collector plate. As the jet moves towards the collector, stretching and bending occur depending on the propellant loads along the jet [46]. “Single needle” is the simplest method used at the laboratory level for nanofiber

Effects of cutting tool geometry on material removal of a gradient nanograined CoCrNi medium entropy alloy

• Yu-Sheng Lu,
• Yu-Xuan Hung,
• Thi-Xuyen Bui and
• Te-Hua Fang

Beilstein J. Nanotechnol. 2024, 15, 925–940, doi:10.3762/bjnano.15.76

• , friction coefficients, and hardness values of some CoCrNi alloys from experimental works and MD simulations. In this work, the hardness was calculated using the following equation [46]: where Fmax and Ac are, respectively, the maximum indentation force and the contact area between the tool and the

Identification of structural features of surface modifiers in engineered nanostructured metal oxides regarding cell uptake through ML-based classification

• Indrasis Dasgupta,
• Totan Das,
• Biplab Das and
• Shovanlal Gayen

Beilstein J. Nanotechnol. 2024, 15, 909–924, doi:10.3762/bjnano.15.75

• responsible for classifying higher-uptake and lower-uptake surface modifiers in the case of three cell lines [46]. The descriptors that had greater values of absolute difference were taken as significant features for a particular cell line. For the study of the PaCa2 cell line, we selected ten descriptors

• of ENMOs in the HUVEC cell line as shown in the case of surface modifier 46. However, fingerprints containing aliphatic amino functionality (UIh 1, UIh 2, UIh 7, UIh 8, UIh 9, and UIh 11) have a deleterious effect on the uptake of ENMOs in the HUVEC cell line, as demonstrated in in the case of

• carbons present in the structure [60]. The positive contribution of the descriptor is confirmed by the presence of maximum double-bonded carbons in the structures (e.g., 39, 43, and 46), which actively contribute to a higher cellular uptake of ENMOs in the case of the HUVEC cell line. From the earlier

Water-assisted purification during electron beam-induced deposition of platinum and gold

• Cristiano Glessi,
• Fabian A. Polman and
• Cornelis W. Hagen

Beilstein J. Nanotechnol. 2024, 15, 884–896, doi:10.3762/bjnano.15.73

• double bonds of MeCp (or derived fragments) incorporated in the deposit and the consequent production of alcohols, which are likely to produce CO during electron exposure [45][46][47]. This observation was substantiated by the increase of desorbed CO throughout exposure, indicating the presence of an

•  2a. The maximum gold content achieved is 52 atom % at a chamber pressure of 4·10−5 mbar (Figure 2b). This result is even higher than the value reported by Shawrav et al., who obtained ca. 46 atom % Au from Au(tfac)Me2 at the same chamber pressure [22]. Unfortunately, higher water pressures could not