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Search for "aggregation" in Full Text gives 434 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Synchrotron X-ray photoelectron spectroscopy study of sodium adsorption on vertically arranged MoS2 layers coated with pyrolytic carbon

  • Alexander V. Okotrub,
  • Anastasiya D. Fedorenko,
  • Anna A. Makarova,
  • Veronica S. Sulyaeva,
  • Yuliya V. Fedoseeva and
  • Lyubov G. Bulusheva

Beilstein J. Nanotechnol. 2025, 16, 847–859, doi:10.3762/bjnano.16.64

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  • was shown that carbon coating on MoS2 particles prevents their aggregation, increases conductivity and reduces structural expansion during electrochemical cycling [21][27]. Hybrid materials consisting of vertically oriented MoS2 layers and graphitic carbon coating with horizontal layer orientation
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Published 10 Jun 2025

Morphology and properties of pyrite nanoparticles obtained by pulsed laser ablation in liquid and thin films for photodetection

  • Akshana Parameswaran Sreekala,
  • Bindu Krishnan,
  • Rene Fabian Cienfuegos Pelaes,
  • David Avellaneda Avellaneda,
  • Josué Amílcar Aguilar-Martínez and
  • Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 785–805, doi:10.3762/bjnano.16.60

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  • of a magnetic field by laser ablation in liquids. SEM and TEM images of FeS2 nanoparticles prepared without a magnetic field revealed spherical particles with varying sizes, aggregation and agglomeration with an average size of approximately 40 nm [38]. In contrast to this, the average particle sizes
  • increased dipole moment. The interaction between nanoparticles and the plume depends on all attractive and repulsive forces, including the attractive van der Waals forces which cause growth and aggregation, and the electrostatic repulsive forces that are generated as a result of the overlap of electrical
  • . Solvents with better stabilization properties, such as moderate polarity and viscosity (e.g., IPA) help in the control of nucleation, growth, cooling rate, and aggregation of nanoparticles. The relatively narrow size distribution suggests that IPA provides a balanced environment for the formation and
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Published 03 Jun 2025

Changes of structural, magnetic and spectroscopic properties of microencapsulated iron sucrose nanoparticles in saline

  • Sabina Lewińska,
  • Pavlo Aleshkevych,
  • Roman Minikayev,
  • Anna Bajorek,
  • Mateusz Dulski,
  • Krystian Prusik,
  • Tomasz Wojciechowski and
  • Anna Ślawska-Waniewska

Beilstein J. Nanotechnol. 2025, 16, 762–784, doi:10.3762/bjnano.16.59

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  • + ions and magnetite with mixed Fe2+ and Fe3+ valency creates a polysaccharide-stabilized colloid with polysaccharide chains, preventing the aggregation of colloidal species and keeping the nanoparticles within the hydrogel matrix [80][81][82][83][84][85][86]. Raman studies provided information
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Published 02 Jun 2025

Serum heat inactivation diminishes ApoE-mediated uptake of D-Lin-MC3-DMA lipid nanoparticles

  • Demian van Straten,
  • Luuk van de Schepop,
  • Rowan Frunt,
  • Pieter Vader and
  • Raymond M. Schiffelers

Beilstein J. Nanotechnol. 2025, 16, 740–748, doi:10.3762/bjnano.16.57

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  • incubated at rt or at 37 °C, which is the temperature generally maintained during cell culture. However, a significant increase in fluorescence was seen after exposure of ApoE3 to 56 °C, indicating protein aggregation or denaturation. Fluorescence increased even further after incubation at 75 °C (Figure 2B
  • with a reported denaturing temperature around 63 °C [36]. Indeed, after incubation at 75 °C, BSA also displayed aggregation or denaturation as shown by the increase in fluorescence of ThT. Together, this shows that during the standard FCS heat inactivating protocol, ApoE3, a key determinant of MC3 LNP
  • that heat treatment inhibits ApoE3 binding to the LNP surface (Figure 3D), most likely due to denaturing or aggregation of the protein. Alternatively, the reported conformational changes of ApoE3 after heat exposure that affect its binding to lipids [32], also affect its binding to LNPs. The
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Published 30 May 2025

Colloidal few layered graphene–tannic acid preserves the biocompatibility of periodontal ligament cells

  • Teissir Ben Ammar,
  • Naji Kharouf,
  • Dominique Vautier,
  • Housseinou Ba,
  • Nivedita Sudheer,
  • Philippe Lavalle and
  • Vincent Ball

Beilstein J. Nanotechnol. 2025, 16, 664–677, doi:10.3762/bjnano.16.51

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  • ]. Recent studies point to a potential synergistic effect between TA and GBMs [15][16][17]. TA not only stabilizes graphene sheets in aqueous solutions, preventing their aggregation by interacting with carbon layers at a molecular level [14], but also could impart additional bioactive properties
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Published 20 May 2025

Aprepitant-loaded solid lipid nanoparticles: a novel approach to enhance oral bioavailability

  • Mazhar Hussain,
  • Muhammad Farooq,
  • Muhammad Asad Saeed,
  • Muhammad Ijaz,
  • Sherjeel Adnan,
  • Zeeshan Masood,
  • Muhammad Waqas,
  • Wafa Ishaq and
  • Nabeela Ameer

Beilstein J. Nanotechnol. 2025, 16, 652–663, doi:10.3762/bjnano.16.50

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  • encapsulation efficiency The drug content of SLNs formulations ranged from 16.95% ± 0.76% to 96.75% ± 0.24%; the highest APT content was obtained in APT-CD-NP4. The loss of the drug can be attributed to the lyophilization. However, there was no change in color or aggregation observed. Dispersions of lyophilized
  • significant particles aggregation. The PDI values remained stable across all formulations after redispersion. APT-CD-NP4 (from 0.2 ± 0.4 to 0.1 ± 0.5) and APT-PX-NP8 (0.1 ± 0.5 to 0.1 ± 0.6) retained their monodisperse distribution, while the PDI of other formulations remained at 1.0, indicating controlled
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Published 15 May 2025

Polyurethane/silk fibroin-based electrospun membranes for wound healing and skin substitute applications

  • Iqra Zainab,
  • Zohra Naseem,
  • Syeda Rubab Batool,
  • Muhammad Waqas,
  • Ahsan Nazir and
  • Muhammad Anwaar Nazeer

Beilstein J. Nanotechnol. 2025, 16, 591–612, doi:10.3762/bjnano.16.46

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  • produce conforming scaffolds. With the timely release of bioactive components, these scaffolds encourage the self-aggregation of mesenchymal stem cells and induce chondrogenic differentiation of mesenchymal stem cells and the production of the matrix for cartilage reconstruction [149]. Other than
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Published 24 Apr 2025

Nanomaterials in targeting amyloid-β oligomers: current advances and future directions for Alzheimer's disease diagnosis and therapy

  • Shiwani Randhawa,
  • Trilok Chand Saini,
  • Manik Bathla,
  • Rahul Bhardwaj,
  • Rubina Dhiman and
  • Amitabha Acharya

Beilstein J. Nanotechnol. 2025, 16, 561–580, doi:10.3762/bjnano.16.44

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  • aggregation linked to AD [6]. Additionally, the presence of the APOE4 genotype is notable, as it is found in approximately 65% of AD patients [5]. This genotype is associated with an increased tendency for amyloid monomers to aggregate into AβOs, potentially contributing to the pathology of the disease [7
  • aggregation of amyloid-β (Aβ) peptides, primarily Aβ40 and Aβ42. These oligomers typically consist of a limited number of Aβ monomers, often ranging from trimers to tetramers, but they can form larger aggregates under certain conditions. Their small size and unique structural properties contribute to several
  • , particularly those associated with NDs like AD. Research has demonstrated the ability of fullerenes to prevent the aggregation of Aβ peptides. For instance, molecular dynamics simulations have shown that fullerenes inhibit the fibrillation of the hydrophobic KLVFFAE peptide by disrupting the formation of β
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Published 22 Apr 2025

N2+-implantation-induced tailoring of structural, morphological, optical, and electrical characteristics of sputtered molybdenum thin films

  • Usha Rani,
  • Kafi Devi,
  • Divya Gupta and
  • Sanjeev Aggarwal

Beilstein J. Nanotechnol. 2025, 16, 495–509, doi:10.3762/bjnano.16.38

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  • because of defects that facilitate the growth of smaller nanoparticles or cause aggregation, consequently altering the plasmonic characteristics of the material. Reflectance spectra Figure 8 shows the reflectance spectra as-deposited and implanted Mo thin films as functions of the thickness. The dip
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Published 01 Apr 2025

Synthetic-polymer-assisted antisense oligonucleotide delivery: targeted approaches for precision disease treatment

  • Ana Cubillo Alvarez,
  • Dylan Maguire and
  • Ruairí P. Brannigan

Beilstein J. Nanotechnol. 2025, 16, 435–463, doi:10.3762/bjnano.16.34

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Published 27 Mar 2025

Size control of nanoparticles synthesized by pulsed laser ablation in liquids using donut-shaped beams

  • Abdel Rahman Altakroury,
  • Oleksandr Gatsa,
  • Farbod Riahi,
  • Zongwen Fu,
  • Miroslava Flimelová,
  • Andrei Samokhvalov,
  • Stephan Barcikowski,
  • Carlos Doñate-Buendía,
  • Alexander V. Bulgakov and
  • Bilal Gökce

Beilstein J. Nanotechnol. 2025, 16, 407–417, doi:10.3762/bjnano.16.31

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  • size deviation influenced by factors such as structural and compositional variations of the NPs. All colloidal samples are gathered directly after the PLAL process to minimize the effect of particle aggregation and isolate the laser beam shape effect on particle size. The employment of different
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Published 25 Mar 2025

Engineered PEG–PCL nanoparticles enable sensitive and selective detection of sodium dodecyl sulfate: a qualitative and quantitative analysis

  • Soni Prajapati and
  • Ranjana Singh

Beilstein J. Nanotechnol. 2025, 16, 385–396, doi:10.3762/bjnano.16.29

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  • , the negative charge still provides sufficient electrostatic repulsion to minimize aggregation. This repulsion is key to maintaining a stable colloidal suspension, as it prevents the nanoparticles from clumping together, which is crucial for their effective use in various applications, such as drug
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Published 20 Mar 2025

Tailoring of physical properties of RF-sputtered ZnTe films: role of substrate temperature

  • Kafi Devi,
  • Usha Rani,
  • Arun Kumar,
  • Divya Gupta and
  • Sanjeev Aggarwal

Beilstein J. Nanotechnol. 2025, 16, 333–348, doi:10.3762/bjnano.16.25

Graphical Abstract
  • investigated in terms of two parameters, namely, height fluctuation and lateral aggregation among the spherical nanograins. The height profile for ZnTe films fabricated at various substrate temperatures is given in Figure 2a2–e2. The height fluctuation is related to the number density of particles, and the
  • lateral aggregation is related to the particle size [31]. Figure 2a2–e2 shows that the height fluctuation first increases from R.T. to 300 °C and then continuously decreases with substrate temperature (300–600 °C). This indicates that the particle density first increases and then continuously decreases
  • with substrate temperature accordingly. The lateral aggregation on the surface is inversely related to the height fluctuation. Thus, lateral aggregation (i.e., particle size) first decreases on rising the substrate temperature from R.T. to 300 °C and then continuously increases with substrate
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Published 05 Mar 2025

Graphene oxide–chloroquine conjugate induces DNA damage in A549 lung cancer cells through autophagy modulation

  • Braham Dutt Arya,
  • Sandeep Mittal,
  • Prachi Joshi,
  • Alok Kumar Pandey,
  • Jaime E. Ramirez-Vick,
  • Govind Gupta and
  • Surinder P. Singh

Beilstein J. Nanotechnol. 2025, 16, 316–332, doi:10.3762/bjnano.16.24

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  • -bonded networks and chromophore aggregation due to the presence of C=C, C=O, and C–O bonds [41]. The presence of a shoulder band around 295 nm corresponds to the well-defined n–π* electronic transitions due to the presence of C=O functional groups on the surface of GO. The appearance of the Chl
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Published 03 Mar 2025

Radiosensitizing properties of dual-functionalized carbon nanostructures loaded with temozolomide

  • Radmila Milenkovska,
  • Nikola Geskovski,
  • Dushko Shalabalija,
  • Ljubica Mihailova,
  • Petre Makreski,
  • Dushko Lukarski,
  • Igor Stojkovski,
  • Maja Simonoska Crcarevska and
  • Kristina Mladenovska

Beilstein J. Nanotechnol. 2025, 16, 229–251, doi:10.3762/bjnano.16.18

Graphical Abstract
  • photodynamic therapy can be obtained [1][2][3][4][5]. It has been shown that CNs have an anti-amyloid aggregation activity, and some of them (i.e., carbon nanotubes (CNTs) and graphene) are able to interface with neurons and neuronal circuits and play an important role in the modulation of neurobiological
  • , aggregation behavior, oxidation status, and metal impurities (e.g., iron) in correlation with the cell type and concentration of CNs to which the cells are exposed. The results of the actual study in which the cytotoxicity of blank and TMZ-loaded dual-functionalized CNs was evaluated by the MTT test are
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Published 19 Feb 2025

Recent advances in photothermal nanomaterials for ophthalmic applications

  • Jiayuan Zhuang,
  • Linhui Jia,
  • Chenghao Li,
  • Rui Yang,
  • Jiapeng Wang,
  • Wen-an Wang,
  • Heng Zhou and
  • Xiangxia Luo

Beilstein J. Nanotechnol. 2025, 16, 195–215, doi:10.3762/bjnano.16.16

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  • explanations of material size, structure, dosage, and administration methods [215]. During treatment, processes such as nanoparticle aggregation, material degradation, cellular uptake/excretion, and unintended release of adsorbents require comprehensive safety analysis. In inorganic photothermal nanomaterials
  • in the synthesis of AuNPs or to prevent their aggregation may cause damage to DNA and cell membranes. Compared with inorganic nanomaterials, organic photothermal nanomaterials have the advantages of good biocompatibility, easy biodegradation, ease of modification, low cost, targeting, tunable light
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Published 17 Feb 2025

A review of metal-organic frameworks and polymers in mixed matrix membranes for CO2 capture

  • Charlotte Skjold Qvist Christensen,
  • Nicholas Hansen,
  • Mahboubeh Motadayen,
  • Nina Lock,
  • Martin Lahn Henriksen and
  • Jonathan Quinson

Beilstein J. Nanotechnol. 2025, 16, 155–186, doi:10.3762/bjnano.16.14

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  • loadings also increase the likelihood of MOF aggregation (detailed in section 3.5), which may strongly impair the mixed gas separation performance [80]. As a result, achieving the optimal MMM composition is imperative to attain a synergetic effect, leading to the desired case of a design allowing for both
  • article by Moore and Koros [78]. 3.5.4 MOF aggregates. Stochastic aggregation of MOF particles within the polymer matrix, as schematized in Figure 6e, can cause and facilitate other defects, such as polymer voids and rigidification. These aggregates may also introduce void space within the MOF clusters
  • , resulting in additional selectivity loss [119]. The MOF aggregation propensity within the MMM tends to increase with higher MOF loading since MOF–MOF interactions are usually more favorable than MOF–polymer interactions. This makes it increasingly difficult to keep MOFs well-dispersed throughout the
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Published 12 Feb 2025

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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  • hierarchical micro- and mesoporosity [1][2][3][4][5][6]. Zeolites with hierarchical porous structures can be synthesized using different strategies [4], for example, aggregation of nanocrystals, use of templates, and creation of mesoporosity by forming pillars between 2D lamellae of zeolites separated by
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Published 10 Feb 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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  • colloidal system. Our biosynthesized nanoparticles showed a zeta potential of −60 mV. It is considered that a NP colloid with a zeta potential of more than ±30 mV shows good stability against aggregation. The zeta average size was found to be 99 nm (Figure 4e,f). Electrochemical analysis Cyclic voltammetry
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Published 30 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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  • aggregation tendency (Figure 5b). Adding ACh to the p(Hist-CA) solution enhances the electrical conductivity and establishes a break point in the conductivity–concentration curve, with a CAC around 0.2 mM. These results suggest that ACh destabilizes p(Hist-CA), resulting in ensembles of Hist-RA, CA-RA, TO
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Published 09 Jan 2025

Biomimetic nanocarriers: integrating natural functions for advanced therapeutic applications

  • Hugo Felix Perini,
  • Beatriz Sodré Matos,
  • Carlo José Freire de Oliveira and
  • Marcos Vinicius da Silva

Beilstein J. Nanotechnol. 2024, 15, 1619–1626, doi:10.3762/bjnano.15.127

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  • enhance BBB penetration. Studies have shown that polymeric biomimetic nanoparticles carrying proteins can penetrate the brain parenchyma and release active agents, demonstrated by the increased accumulation of 3D6-Fab antibody fragments in the brains of mouse models, and reducing Aβ1-42 aggregation, which
  • nanoparticles (AuNPs) with polyoxometalate and the peptides POMD and LPFFD (AuNPs@POMD-pep) have shown inhibition of Aβ1 aggregation and Aβ-induced cytotoxicity. However, the inherent toxicity of this formulation, challenges in particle digestion, and the potential for triggering immune reactions remain
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Published 16 Dec 2024

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

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  • cell labeling [17][18][19][20][21][22]. Their biocompatibility and stability fill the niche of applications that require properties unattainable by organic materials. Size control, prevention of aggregation through coating, specific interactions and dispersion, and the ability to penetrate cellular and
  • , it can be concluded that the effects of all investigated samples on liver tissue exhibit a multifaceted character and diverse mechanisms of activity. These mechanisms depend on the size of Fe3O4 NPs, the hydrophilic shell diameter, solubility, aggregation, stability, and various other physicochemical
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Published 11 Dec 2024

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

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  • , and Raman spectroscopy, as well as EDX and XRD revealed controlled aggregation, successful capping, and crystalline growth of the ʟ-car-AgNPs. The ʟ-car-AgNPs exhibited promising sensing capabilities with limits of detection of 141.79 ppb (1.2 μM) for Cd2+, 131.33 ppb (0.63 μM) for Pb2+, 215.35 ppb
  • pristine silver nanospheres upon interaction. The appearance of the redshifted peak might be due to charge transfer or aggregation [7]. An increased nanoparticle size leads to a further redshift of the plasmonic peak [26]. Hydrodynamic size, zeta potential, and morphology of the ʟ-car-AgNPs are shown in
  •  3a and Supporting Information File 1, Figure S1). The sequential increase in nanoparticle size confirms nanoparticle aggregation or formation of bigger particles and is consistent with the absorption spectra in Figure 2. The polydispersity index (PDI) is a dimensionless value that measures the width
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Published 06 Dec 2024

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

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  • attractive forces, while a negative value suggests repulsive interactions between the NPs, preventing aggregation or agglomeration. These calculations were performed considering spherical and uncoated NMs. The balance between the Hamaker constants (expressing van der Waals attraction between particles) and
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Published 29 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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Published 27 Nov 2024
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