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

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

• obtaining an additional electron. Methods First, 42 drugs related to chemotherapy treatments for breast cancer were proposed. Although the most notable fullerene derivatives for biological applications are those with several hydrophilic groups, the carboxylic acid derivative C60–COOH has been studied as

• ) is obtained as the reference density ρ0 perturbed by density fluctuations δρ, that is, For all calculations within DFTB3, the 3OB parameter set was used [41]. To carry out the global optimization procedure, Balloon 1.8.2 [42] and DFTB+ 17.1 [40] were used for the initial conformational study by

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

• , respectively. All optimized structural parameters excellently match with previously reported values [41][42]. In addition to the lattice parameters for the monolayer Ge2Se2, we have optimized the vacuum slab in a normal direction to avoid interlayer interactions. The optimized vacuum level was found to be 23 Å

• [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

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

• phase (JCPDS No.27-1402) [40][41]. In the case of the as-synthesized composite, the favored growth of TiO2(101) on the surface of p-Si NWs has been noticed [42]. The minor (112), (200), (105), and (211) peaks at 2θ = 38.2°, 48.5°, 53.3°, and 55.1° indicate the formation of anatase TiO2 (JCPDS No.21-1272

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

• for 1.18 nm. These features are consistent with previous results revealing a distance dependence of the LCPD or the electrostatic forces [41][42][43][44]. In general, we expect an exponential decay of the electrostatic field 2D Fourier components, where the decay constant λ is the lateral wavelength

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

• permeability are increased because of angiogenesis within the tumor microenvironment [41]. The fenestrae of the liver endothelial cells increase to approximately 400–600 nm, often accompanied with impaired lymphatic drainage, leading to the EPR effect [42]. In contrast, the excessive production of ECM by the

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

• potential risks or complications [42]. Recently, researchers and medical organizations have begun using low-cost biosensors to monitor food and water toxins, human biological processes, accurate health diagnostics, and for other applications [43]. Biosensor-based technologies are essential to assess samples

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

• discussions and comments. Funding SSBM acknowledges the SERB, India, for the NPDF funding (PDF/2023/000958/PMS). VRS acknowledges IoE-UoH through a project funded by the Institute of Eminence (#UOH/IOE/RC1/RC1-20-016). VRS also acknowledges the financial support from DRDO, India [#ERIP/ER/1501138/M/01/319/D(R

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

• another (inter-layer transport) and is the source of the large anisotropy typically displayed between in-plane and out-of-plane carrier mobilities [42]. Carrier injection is usually determined by energy band alignment and interface transparency, and it is limited by the number of available conduction

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

• carried out by Wen et al. [41]. Wang et al. employed ab initio MD to describe the melting of icosahedral Au nanoclusters [42]. The structural and thermal stability of high-index-faceted Pt NPs was addressed by Zeng et al. [43]. Similarly, the thermal stability of unsupported Au NPs was investigated by

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

• technology rapidly emerged [40][41]. However, all these FETs were highly bulky and required more space. Nakamoto et al. [42] later devised a biosensor with a novel fabrication method aligned well with the complementary metal–oxide–semiconductor (CMOS) fabrication process. Usually, biosensors convert

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

• 2010 with the advent of the modern soft robotics field. Traditional stiffness-switching mechanisms include phase change materials [39], jamming actuators [40], electrorheological fluids [41], and antagonistic actuators [42], but vacuum jamming has been the most popular in academic literature [43

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

• cancer treatment. The bigger the nanoparticles, the faster they would be cleared by the mononuclear phagocyte system [41], while those smaller than 6 nm would be excreted into the Bowman space of the kidney [42]. In addition to size, nanoparticle charge is also crucial for boosting its circulation in the

• than the negative ones [42]. Preventing protein absorption by nanoparticles might enhance the systemic half-life of nanoparticles. According to reports, nanoparticles with a stealth surface have a longer half-life [39]. Typically, hydrophilic substances, such as PVA and PEG, serve as stealth surface

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

• ]. The simplicity and cost-effectiveness of the electrospinning technique, its ability to use a wide variety of synthetic, natural, and mixed polymers, and the formation of highly porous and continuous fibers are the remarkable features of this method [42]. Although the use of electrospinning has become

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

• has been the subject of theoretical analyses, such as MD simulations [41], to predict the outcomes of ultraprecision machining [42]. This section investigates the effect of three RTS values of 0.5, 1.0, and 2.0 under various cutting depths (a = 0.5, 1.0, and 2.0 nm) and cutting-edge radii (r = 0.5

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

• using the fivefold cross-validation procedure. Additionally, the model’s quality was evaluated by looking at the receiver operating characteristic (ROC) plot as well as specificity, sensitivity, and accuracy values [40][41][42]. Development of other machine learning models Calculation of descriptors and