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Search for "carbon" in Full Text gives 1228 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

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

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  • immobilization of TiO2 nanoparticles is of great importance. Many materials are considered as a possible support for immobilization, including porous ceramics [15], glass [16][17], porous carbon materials [18][19], mesoporous silica [20][21][22][23], and zeolites [24][25][26][27]. Recent studies have confirmed
  • accuracy of the experiment). Therefore, this step is immediately followed by condensation: The final composition of the hydrolysis products of alkoxides of titanium roughly corresponds to TiO1.5(OR)·yROH, where y = 0.15–1.00 depending on the nature of the alcohol. The residual carbon during thermal
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Published 10 Feb 2025

Comparison of organic and inorganic hole transport layers in double perovskite material-based solar cell

  • Deepika K and
  • Arjun Singh

Beilstein J. Nanotechnol. 2025, 16, 119–127, doi:10.3762/bjnano.16.11

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  • Karapinar [2] fabricated a dye-sensitized solar cell (DSSC) with selenium@activated carbon (Se@AC) composites as an alternative to the Pt counter electrode (CE) via chemical activation. The fabricated DSSC showed a power conversion efficiency (PCE) of 5.67%, an open-circuit voltage (VOC) of 0.648 V, a short
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Published 06 Feb 2025

Nanocarriers and macrophage interaction: from a potential hurdle to an alternative therapeutic strategy

  • Naths Grazia Sukubo,
  • Paolo Bigini and
  • Annalisa Morelli

Beilstein J. Nanotechnol. 2025, 16, 97–118, doi:10.3762/bjnano.16.10

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  • demonstrated by Ji and colleagues in a mouse model of carbon tetrachloride (CCl4)-induced fibrosis, where they inhibited the proliferation of fibroblasts [46]. An alternative to depletion is the inhibition of KCs through chloroquine, an antimalaria agent that inhibits macrophage-specific endocytosis, or
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Review
Published 31 Jan 2025

Modeling and simulation of carbon-nanocomposite-based gas sensors

  • Roopa Hegde,
  • Punya Prabha V,
  • Shipra Upadhyay and
  • Krishna S B

Beilstein J. Nanotechnol. 2025, 16, 90–96, doi:10.3762/bjnano.16.9

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  • Roopa Hegde Punya Prabha V Shipra Upadhyay Krishna S B Electronics and Communication Engineering, Ramaiah Institute of Technology, MSRIT Post, M S Ramaiah Nagar, MSR Nagar, Bengaluru, Karnataka 560054, India 10.3762/bjnano.16.9 Abstract This paper reports simulation of a carbon monoxide gas
  • sensor using COMSOL Multiphysics whose active sensing material used is a carbon nanocomposite (i.e., 0.1 wt % of single-walled carbon nanotubes along with PEDOT:PSS (poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)) in an equal volume ratio of 1:1. Given the high cost associated with the
  • development of these sensors, it becomes imperative to establish a mathematical model for economically predicting their behavior. The simulation using COMSOL Multiphysics is performed to obtain the surface coverage of the sensor by introducing carbon monoxide gas through a Gaussian pulse feed inlet at
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Published 30 Jan 2025

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

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  • -electrode setup (carbon paste with ZnO NPs as the working electrode, platinum as the counter electrode, and Ag/AgCl as the reference electrode) in 0.1 M KCl. EIS measurements were carried out in a frequency range of 1 Hz to 1 MHz with a 5 mV AC amplitude, while CV studies were carried out on the same
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Published 30 Jan 2025

Advanced atomic force microscopy techniques V

  • Philipp Rahe,
  • Ilko Bald,
  • Nadine Hauptmann,
  • Regina Hoffmann-Vogel,
  • Harry Mönig and
  • Michael Reichling

Beilstein J. Nanotechnol. 2025, 16, 54–56, doi:10.3762/bjnano.16.6

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  • different origins. The authors assign one type of defects to a possible defect in the Ir surface. The other type is identified as four missing carbon atoms corroborated by a higher reactivity with the tip. We thank all authors who contributed to this thematic issue and we are grateful to all reviewers for
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Editorial
Published 21 Jan 2025

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

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  • surfaces. The elemental composition in Figure 4B shows the silicon emission expected for the SNF film, which is not present on the bare steel surface. Oxygen and carbon, additional components of the SNF coating, are also detected for the SNFs. At the same time, these elements are also observed on the bare
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Published 09 Jan 2025

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

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  • electron microscopy (TEM) images were taken with a Libra 120 EFTEM (A Carl Zeiss SMT AG Company, Oberkochen, Carl Zeiss, Germany) at 100 kV. Samples were spread on a 300 mesh copper grid with a carbon/formvar support film. 1H and 13C NMR spectra were obtained using a Bruker Avance 600 spectrometer with an
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Published 09 Jan 2025

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

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  • microscope (Zeiss, Oberkochen, Germany) using an in-lens secondary electron detector at 5 kV acceleration voltage. The scales and replicas were attached to an aluminum holder via a conductive carbon tape. These samples were coated with gold using a Sputter Coater 108 (Cressington Scientific Instruments
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Published 02 Jan 2025

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

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Published 30 Dec 2024

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

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  • techniques The synthesised NPs were drop-cast on carbon-coated copper grids to record transmission electron microscopy (TEM) images and selected area electron diffraction (SAED) patterns using a FEI Tecnai G2 S-Twin operating at 200 kV. Further, these NPs were drop-cast on cleaned Si substrates, and their
  • , we did not notice such a structure in the case of NPs fabricated in DW (Figure 4a). Shell-like structures in Figure 4b and Figure 4c are indicated with red arrows. These structures are multilayered carbon shells around the NPs. Similar formations were noticed in other studies where carbon-rich
  • liquids were used [34][35][36]. The d-spacing of the carbon shells was determined from the zoomed images in Figure 5. It was estimated to be ≈0.34 nm, confirming the outer shell to be made of graphite [37][38][39]. A similar analysis was conducted on the nanofibre-like structures formed when Hf was
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Published 18 Dec 2024

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

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  • /bjnano.15.120 Abstract A novel electrochemical sensor for the detection of enrofloxacin (ENR) in aqueous solutions has been developed using a carbon paste electrode modified with a mixture of metal-organic frameworks (MOFs) of CuBTC and FeBTC. These MOFs were successfully synthesized via a solvothermal
  • sensors has some limitations associated with the low conductivity of MOFs. Therefore, the coupling with conducting materials, such as carbon-based materials, metal nanoparticles, and polymers, has been performed to enhance the electron charge transfer of MOFs [23][24]; single MOFs combined with carbon
  • -based materials have been extensively studied [12][25][26][27][28]. A sensitive and simplified electrochemical sensor using a Cu3(BTC)2-modified carbon paste electrode for detecting 2,4-dichlorophenol was reported by Dong and his group [29]. Owing to the large specific surface area, high absorption
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Published 28 Nov 2024

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

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  • suggests, silver, copper oxide, and titanium oxide [73]. ASCOT assists in the generation of high-quality digital twins of materials and the computation of relevant molecular descriptors. Nanotube Modeler is a software tool designed to create three-dimensional coordinates for various nanoscale carbon
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Published 27 Nov 2024

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

Graphical Abstract
  • 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
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Published 21 Nov 2024

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

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  • applications. However, the metallic nature of these materials restricts their applications in specific domains. Strain engineering is a versatile technique to tailor the distribution of energy levels, including bandgap opening between the energy bands. ψ-Graphene is a newly predicted 2D nanosheet of carbon
  • two-dimensional (2D) material, consisting of a single layer of sp2-hybridized carbon atoms arranged together in a hexagonal lattice [1]. Because of its extraordinary electrical and thermal conductivity, large surface area, and easy chemical functionalization, it provides a variety of applications in
  • % compressive uniaxial strain [34]. At 6% strain, a maximum bandgap of 389 meV and 379 meV was observed for uniaxial and biaxial strains, respectively. When the applied strain exceeds a threshold of 8%, the bandgap of silicene disappears [34]. In 2017, Li et al. predicted a new 2D allotrope of carbon atoms
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Published 20 Nov 2024

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

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  • depositions at elevated temperatures to induce Pt deposition and to remove carbon by hydrogenation to volatile hydrocarbons or oxidation to form H2O, CO, and CO2 as volatile products. In contrast, this precursor results in Pt purities of less than 20% in FEBID [30][31], while FIBID has been shown to provide
  • ion beam. For Pt deposits, although MeCpPtMe3 meets the volatility and stability requirements, the inability to directly desorb the cyclopentadienyl ligands results in significant carbon contamination upon ion irradiation [21]. Alternatives to the carbon-rich MeCpPtMe3 complex are the four coordinate
  • , Pt(CO)2Br2 [55] and Pt(CO)2Cl2 [55][57] have been explored as FEBID precursors. The compositions of deposits from these precursors varied with the deposition conditions. Under UHV conditions, the deposits were carbon-free but contained significant halogen contamination, which could be removed only
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Published 19 Nov 2024

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

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  • substrates and were representative of a covalent carbon-sulfur bond [43]. AFM highlighted the level of roughness at each stage of the coating to show a rougher topography for the final layer. Results for each layer of the coating are shown in Supporting Information File 1, Figure S1 and reported as root mean
  • 1s high-resolution scan, C–C carbon can be found at 285 eV and the fluorinated groups, CF2 and CF3, are observed at 290.6 and 293 eV, respectively. See Supporting Information File 1 for high-resolution S 2p XPS spectra. SFG spectra of the final layer in the SLIPs coating. SFG spectra from 1100 to
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Published 08 Nov 2024

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

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  • , Turkey 10.3762/bjnano.15.110 Abstract In this study, we aimed to synthesize new carbon dot structures (CDs) in a single step by using the plant Rheum Ribes for the first time and to contribute to the studies in the field of diode fabrication by using the new CDs. The CDs were obtained by hydrothermal
  • behavior. The results obtained from this study showed that CDs can be applied in the field of electronics, apart from sensor studies, which are common application areas. Keywords: carbon dot (CD) structures; green synthesis; Rheum Ribes plant; Schottky diode; Introduction One of the most current types of
  • 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
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Published 07 Nov 2024

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

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  • anisotropic metal nanoparticles using zeta cuvettes (DTS0012). The precise size and morphology of CTAB-AgNS, CTAB-AuNS, CTAB-AuNR1, and CTAB-AuNR2 were observed under a transmission electron microscope (TEM, 120 kV; FEI Tecnai). The nanoparticles were placed onto 200-mesh carbon-coated copper grids. The
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Published 04 Nov 2024

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

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  • modeling, including reactive classical molecular dynamics and ab initio calculations, we reveal that TA preferentially binds to the most reactive sites on GO surfaces via the oxygen-containing groups or the carbon matrix; van der Waals interaction forces dominate the binding energy. TA exhibits a dose
  • composition analyzed by X-ray photoelectron spectroscopy (XPS) is 68% of carbon and 32% of oxygen. The functional groups and bonds of carbon are distributed among epoxy/hydroxy (C–O) (52%), carboxyl/esters (C=O) (9.4%), and π–π* (4.2%) moieties, besides graphitic/aromatic carbon (C sp2) (5.7%) and aliphatic
  • 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
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Published 30 Oct 2024

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

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  • morphologies and the compositions of the calcined samples were evaluated by scanning electron microscopy (SEM-EDS), using a FEI Quanta 3D FEG instrument equipped with the Octane Elect EDS system. The powder samples were placed on double-sided carbon tape and recorded without coating at accelerating voltages of
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Published 28 Oct 2024

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

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  • of the nanostructures into larger devices remains one of the major challenges, especially when non-silicon materials (such as carbon nanotubes or multimaterial nanowires) are used [8][9][10]. Among the fabrication methods, particle beam-based methods offer the greatest versatility for rapid
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Published 23 Oct 2024

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

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  • males and eleven females with carbon dioxide, dissected their forelegs and observed them under a stereomicroscope Leica MZ6 (Leica Microsystem GmbH, Wetzlar, Germany). To obtain semithin sections, the tibiae of six insects were dissected under the stereomicroscope. Samples were then fixed for 3 h in 2.5
  • efficiency We evaluated particle removal efficiency in experiments with intact and ablated insects, with their foretibial grooming structures artificially removed. To prepare ablated insects, they were anesthetized with carbon dioxide for 60 s, and the tibial grooming structures of the forelegs were
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Published 16 Oct 2024

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

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  • at 100 °C and the percentages of carbon, nitrogen, and hydrogen were obtained. It is noteworthy that only the nitrogen percentages were considered for the calculations. The elemental composition of the NP surface was obtained using a K-Alpha XPS (Thermo Fisher Scientific) which operates with Al Kα X
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Published 07 Oct 2024

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

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  • in pharmacy and medicine is carbon-based nanomaterials because of their physicochemical, mechanical, electrical, thermal, and optical properties [19][20], as well as their capacity to modify existing drugs. Fullerene derivatives have been proposed recently, particularly those obtained from fullerene
  • the carbonyl group is the more nucleophilic center, whereas there are two positive-density regions near the carbonyl group and in the C–C bond next to the amine-substituted carbon atom. Both pharmaceutical agents are susceptible to interaction with fullerenes to form a force dispersion complex as it
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Published 19 Sep 2024
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