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Search for "kinetics" in Full Text gives 426 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Rapid synthesis of highly monodisperse AgSbS2 nanocrystals: unveiling multifaceted activities in cancer therapy, antibacterial strategies, and antioxidant defense

  • Funda Ulusu,
  • Adem Sarilmaz,
  • Yakup Ulusu,
  • Faruk Ozel and
  • Mahmut Kus

Beilstein J. Nanotechnol. 2025, 16, 2105–2115, doi:10.3762/bjnano.16.145

Graphical Abstract
  • effective exposure of surface facets to the reaction medium. Green-synthesized nanoparticles in various studies have consistently shown elevated FRAP responses compared to their bulk counterparts, due to improved electron transfer kinetics at the nano–bio interface [51][52]. When considered alongside DPPH
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Published 19 Nov 2025

Toward clinical translation of carbon nanomaterials in anticancer drug delivery: the need for standardisation

  • Michał Bartkowski,
  • Francesco Calzaferri and
  • Silvia Giordani

Beilstein J. Nanotechnol. 2025, 16, 2092–2104, doi:10.3762/bjnano.16.144

Graphical Abstract
  • biological models. Determining the appropriate dosage is another crucial factor as therapeutic performance is influenced by drug loading capacity, drug release kinetics, and loading efficiency. Careful optimisation of these parameters is required to achieve effective drug delivery while minimising harm to
  • provide insight into drug release kinetics based on NM properties and formulation. Animal toxicity studies help determine in vivo safety profiles across organ systems, while biodistribution and pharmacokinetic studies elucidate how CNMs are metabolised, cleared, and accumulate in the body, guiding safe
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Published 18 Nov 2025

Stereodiscrimination of guests in chiral organosilica aerogels studied by ESR spectroscopy

  • Sebastian Polarz,
  • Yasar Krysiak,
  • Martin Wessig and
  • Florian Kuhlmann

Beilstein J. Nanotechnol. 2025, 16, 2034–2054, doi:10.3762/bjnano.16.140

Graphical Abstract
  • were prepared accordingly [50]. For similar hydrolysis and condensation kinetics compared to the organosilane sol–gel precursors (see below), tetraisopropoxysilane (Si(OiPr)4) was used as a sol–gel precursor. After solvent exchange of the wet gel, supercritical drying with carbon dioxide delivered the
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Published 13 Nov 2025

Beyond the shell: exploring polymer–lipid interfaces in core–shell nanofibers to carry hyaluronic acid and β-caryophyllene

  • Aline Tavares da Silva Barreto,
  • Francisco Alexandrino-Júnior,
  • Bráulio Soares Arcanjo,
  • Paulo Henrique de Souza Picciani and
  • Kattya Gyselle de Holanda e Silva

Beilstein J. Nanotechnol. 2025, 16, 2015–2033, doi:10.3762/bjnano.16.139

Graphical Abstract
  • scaffolds remains challenging, as modifications that improve release kinetics or protect the core can sometimes compromise biocompatibility or cellular interactions [55]. To evaluate the structure of the nanofibers produced, confocal microscopy was used under a fluorescent filter to study the morphologies
  • surface distribution may compromise encapsulation efficiency and alter release kinetics [76]. Surface hydrophilicity The hydrophilicity of the membranes was evaluated through contact angle measurements. Figure 10 shows photographs of a water droplet in contact with the surface of the samples: (a
  • nanofibers in tissue engineering and controlled drug delivery. Despite these promising results, the present study has some limitations. The encapsulation efficiency and release kinetics of the bioactive compounds were not quantified, and biological assessments were not performed at this stage. Furthermore
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Published 12 Nov 2025

Laser ablation in liquids for shape-tailored synthesis of nanomaterials: status and challenges

  • Natalie Tarasenka

Beilstein J. Nanotechnol. 2025, 16, 1963–1997, doi:10.3762/bjnano.16.137

Graphical Abstract
  • properties of the surrounding liquid and NPs, and kinetics of relaxation processes in the surrounding medium), thus providing a playground for tailoring NP properties. In general, laser pulses of moderate fluences and longer durations are preferable for shape modification, providing mild conditions and
  • by estimation of the absorbed and dissipated heat fluxes from the laser heated NPs. Apart from the laser parameters, these fluxes are determined by NP size and composition as well as by properties of the surrounding liquid which define the kinetics of relaxation processes. The balance between
  • into account. [73]. The presence of the gaseous bubble around the heated particles influences the kinetics of the relaxation processes as well as the absorption of the laser beam by the NPs. In [67], the conditions required for melting silver and copper NPs with the formation of a metastable AgCu alloy
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Published 10 Nov 2025

PEGylated lipids in lipid nanoparticle delivery dynamics and therapeutic innovation

  • Peiyang Gao

Beilstein J. Nanotechnol. 2025, 16, 1914–1930, doi:10.3762/bjnano.16.133

Graphical Abstract
  • shell of LNPs plays a pivotal role. As hydrophilic and protective shield during LNP circulation and in vivo activities, the conformation and binding kinetics of PEG layer are both important, particularly in modulating protein adsorption and subsequent interactions with cellular uptake pathways [23
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Published 30 Oct 2025

Electrical, photocatalytic, and sensory properties of graphene oxide and polyimide implanted with low- and medium-energy silver ions

  • Josef Novák,
  • Eva Štěpanovská,
  • Petr Malinský,
  • Vlastimil Mazánek,
  • Jan Luxa,
  • Ulrich Kentsch and
  • Zdeněk Sofer

Beilstein J. Nanotechnol. 2025, 16, 1794–1811, doi:10.3762/bjnano.16.123

Graphical Abstract
  • -order kinetic equation: where C represents the final concentration at time t, C0 is the initial concentration of rhodamine B, and k is the apparent rate constant of degradation [11]. The relation ln(A/A0) was used to represent the degradation rate kinetics, where A is the measured optical absorbance
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Published 13 Oct 2025

Exploring the potential of polymers: advancements in oral nanocarrier technology

  • Rousilândia de Araujo Silva,
  • Igor Eduardo Silva Arruda,
  • Luise Lopes Chaves,
  • Mônica Felts de La Roca Soares and
  • Jose Lamartine Soares Sobrinho

Beilstein J. Nanotechnol. 2025, 16, 1751–1793, doi:10.3762/bjnano.16.122

Graphical Abstract
  • made PNs a topic of growing interest in light of their small size and unique physicochemical properties [22][23]. These systems offer advantages for drug delivery, including the ability to protect labile compounds, control release kinetics, improve drug solubility and stability, enhance oral
  • overall release kinetics [24][32][33]. From a pharmacokinetic perspective, the size, surface charge, and morphology of PNs can modulate their transit through the GIT, and such properties can be tuned during nanoparticle preparation. The choice of manufacturing method considers not only these parameters
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Published 10 Oct 2025

Ambient pressure XPS at MAX IV

  • Mattia Scardamaglia,
  • Ulrike Küst,
  • Alexander Klyushin,
  • Rosemary Jones,
  • Jan Knudsen,
  • Robert Temperton,
  • Andrey Shavorskiy and
  • Esko Kokkonen

Beilstein J. Nanotechnol. 2025, 16, 1677–1694, doi:10.3762/bjnano.16.118

Graphical Abstract
  • , bare copper rapidly oxidized to Cu2O at room temperature and further to CuO at ~200 °C. However, with hBN or graphene layers, oxidation was significantly delayed. Both 2D materials retard the oxidation of Cu by more than 120 °C, but with different kinetics. The behavior of hBN/Cu is relatively simple
  • simultaneously. This is summarized in Figure 5 where the 2D intensity plot vs temperature of O 1s and N 1s or C 1s, for hBN or graphene, respectively, are reported. Time-resolved catalysis Catalysts are inherently dynamic systems. The optimal catalyst should have a nanostructure that enhances activation kinetics
  • under operando conditions. Additionally, the kinetics of charge transfer and the role of specific chemical species or components functioning as charge donors or acceptors during photocatalytic reactions can be clarified using APXPS. At MAX IV, external light sources (e.g., UV lamps or solar simulators
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Published 24 Sep 2025

Venom-loaded cationic-functionalized poly(lactic acid) nanoparticles for serum production against Tityus serrulatus scorpion

  • Philippe de Castro Mesquita,
  • Karla Samara Rocha Soares,
  • Manoela Torres-Rêgo,
  • Emanuell dos Santos-Silva,
  • Mariana Farias Alves-Silva,
  • Alianda Maira Cornélio,
  • Matheus de Freitas Fernandes-Pedrosa and
  • Arnóbio Antônio da Silva-Júnior

Beilstein J. Nanotechnol. 2025, 16, 1633–1643, doi:10.3762/bjnano.16.115

Graphical Abstract
  • on the particle size; thus, small particles have a larger surface area for dissolution, providing faster release kinetics [39]. Uniformity of particle size is also important for the stability of the formulation, as well as for the choice of administration route. The intravenous and intramuscular
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Published 17 Sep 2025

Nanotechnology-based approaches for the removal of microplastics from wastewater: a comprehensive review

  • Nayanathara O Sanjeev,
  • Manjunath Singanodi Vallabha and
  • Rebekah Rubidha Lisha Rabi

Beilstein J. Nanotechnol. 2025, 16, 1607–1632, doi:10.3762/bjnano.16.114

Graphical Abstract
  • capabilities due to electrostatic interactions, making them highly effective in capturing MPs. Their fast adsorption kinetics support rapid water purification, and surface modifications can further enhance their performance and selectivity. These membranes are also versatile and applicable in various treatment
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Published 15 Sep 2025

Photocatalytic degradation of ofloxacin in water assisted by TiO2 nanowires on carbon cloth: contributions of H2O2 addition and substrate absorbability

  • Iram Hussain,
  • Lisha Zhang,
  • Zhizhen Ye and
  • Jin-Ming Wu

Beilstein J. Nanotechnol. 2025, 16, 1567–1579, doi:10.3762/bjnano.16.111

Graphical Abstract
  • , which demonstrates effective mineralization even at high pollutant loads. This trend aligns with the photocatalytic degradation kinetics (Figure 5b), where the reaction rate constant was the highest at lower concentrations (0.169 h−1 for 50 ppm vs 0.103 h−1 for 200 ppm). While the degradation rate was
  • ofloxacin in water with various initial concentrations (50, 75, 100, and 200 ppm) assisted by CC/NW-450 °C under UV irradiation. (b) The corresponding fit curves assume pseudo-first-order reaction kinetics. (c) TOC removal after 6 and 12 h. (d) Cycling performance. Initial OFL concentration: 50 ppm
  • ppm ofloxacin assisted by TiO2 nanowires on carbon cloth (CC/NW-450 °C), TiO2 nanowires on Ti plate (Tip/NW-450 °C), and the benchmark P25 on Ti plate (P25). (b) The corresponding fit results assuming pseudo-first-order reaction kinetics. Supporting Information Supporting Information File 26
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Published 08 Sep 2025

Transient electronics for sustainability: Emerging technologies and future directions

  • Jae-Young Bae,
  • Myung-Kyun Choi and
  • Seung-Kyun Kang

Beilstein J. Nanotechnol. 2025, 16, 1545–1556, doi:10.3762/bjnano.16.109

Graphical Abstract
  • materials, both functional and structural, that are inherently designed to disintegrate upon exposure to aqueous or enzymatically active environments. These systems are tailored to follow specific degradation kinetics, governed by hydrolysis or enzymatic cleavage depending on the chemical nature of each
  • transient systems must be optimized to balance electrical performance, biodegradation kinetics, and mechanical integrity. Moreover, to transcend basic sensing and stimulation functions, and to enable capabilities such as computation, memory, and autonomous decision-making, the development of high
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Published 04 Sep 2025

Influence of laser beam profile on morphology and optical properties of silicon nanoparticles formed by laser ablation in liquid

  • Natalie Tarasenka,
  • Vladislav Kornev,
  • Alena Nevar and
  • Nikolai Tarasenko

Beilstein J. Nanotechnol. 2025, 16, 1533–1544, doi:10.3762/bjnano.16.108

Graphical Abstract
  • of the synthesized products towards energy- and catalysis-related applications due to materials’ high surface area and prompt reaction kinetics. The potential benefits of the beam shape variation have recently initiated more active research on the ablative generation of NPs using spatially shaped
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Published 04 Sep 2025

Dendrimer-modified carbon nanotubes for the removal and recovery of heavy metal ions from water

  • Thao Quynh Ngan Tran,
  • Huu Trung Nguyen,
  • Subodh Kumar and
  • Xuan Thang Cao

Beilstein J. Nanotechnol. 2025, 16, 1522–1532, doi:10.3762/bjnano.16.107

Graphical Abstract
  • of trace heavy metals from aqueous solutions explaining the kinetics and thermodynamics of adsorption process. Results and Discussion Dendrimerized CNTs have been fabricated by pre-functionalizing the CNTs with MA via Diels–Alder reaction, excluding harmful chemicals and energy-intensive processes
  • efficiency of dendrimer-functionalized CNTs towards Pb2+ and Cd2+ ions. Each data point represents the average of three independent experiments; error bars indicate standard deviations (n = 3). Kinetics and isotherm models for metal ion adsorption onto the CNTs-G5: (a) Pseudo-first order, (b) pseudo-second
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Published 01 Sep 2025

Laser processing in liquids: insights into nanocolloid generation and thin film integration for energy, photonic, and sensing applications

  • Akshana Parameswaran Sreekala,
  • Pooja Raveendran Nair,
  • Jithin Kundalam Kadavath,
  • Bindu Krishnan,
  • David Avellaneda Avellaneda,
  • M. R. Anantharaman and
  • Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 1428–1498, doi:10.3762/bjnano.16.104

Graphical Abstract
  • distribution, and concentration, characteristics of defects can be tailored with unparalleled precision [95][97][98]. The strategic placement and tuning of defects within these materials can significantly enhance their electrochemical performance, improving charge transport kinetics, increasing active surface
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Published 27 Aug 2025

The role of biochar in combating microplastic pollution: a bibliometric analysis in environmental contexts

  • Tuan Minh Truong Dang,
  • Thao Thu Thi Huynh,
  • Guo-Ping Chang-Chien and
  • Ha Manh Bui

Beilstein J. Nanotechnol. 2025, 16, 1401–1416, doi:10.3762/bjnano.16.102

Graphical Abstract
  • as “adsorbent”, “adsorbent mechanism”, “waste”, and “walnut shell”, highlight the development of biochar from agricultural residues and adsorption mechanism evaluations. Similarly, terms like “aggregate”, ”soil remediation”, “identification”, “mechanism”, and “kinetics” indicate a research trajectory
  • , adhering to second-order reaction kinetics [42]. In another approach, filtration through biochar derived from banana peel achieved a removal efficiency of up to 92.16% for PS particles sized 150–300 µm [67]. An even higher removal efficiency, reaching 99%, was observed in a dual-layer filtration model
  • . Future efforts should emphasize developing tailored biochar materials for challenging MPs, such as PET and ABS, and addressing smaller particles below 10 µm to ensure comprehensive treatment in diverse environmental contexts. Adsorption kinetics of MPs on biochar Adsorption kinetics provide insights into
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Published 21 Aug 2025

Enhancing the therapeutical potential of metalloantibiotics using nano-based delivery systems

  • Alejandro Llamedo,
  • Marina Cano,
  • Raquel G. Soengas and
  • Francisco J. García-Alonso

Beilstein J. Nanotechnol. 2025, 16, 1350–1366, doi:10.3762/bjnano.16.98

Graphical Abstract
  • proteins, ligand exchange kinetics comparable to those of platinum complexes, their two predominant oxidation states (II and III), and their ability to mimic iron when interacting with biological molecules [124]. However, their therapeutic application is hindered, as in most of the metallodrugs, by poor
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Published 15 Aug 2025

Ferroptosis induction by engineered liposomes for enhanced tumor therapy

  • Alireza Ghasempour,
  • Mohammad Amin Tokallou,
  • Mohammad Reza Naderi Allaf,
  • Mohsen Moradi,
  • Hamideh Dehghan,
  • Mahsa Sedighi,
  • Mohammad-Ali Shahbazi and
  • Fahimeh Lavi Arab

Beilstein J. Nanotechnol. 2025, 16, 1325–1349, doi:10.3762/bjnano.16.97

Graphical Abstract
  • , lipid peroxidation facilitation, and drug release kinetics. In the following section, we explore how these engineered liposomes contribute to ferroptosis induction and tumor therapy. 3.3 Applications and advancements in liposomal drug delivery systems Liposomes are highly promising nanocarriers for drug
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Published 14 Aug 2025

Deep-learning recognition and tracking of individual nanotubes in low-contrast microscopy videos

  • Vladimir Pimonov,
  • Said Tahir and
  • Vincent Jourdain

Beilstein J. Nanotechnol. 2025, 16, 1316–1324, doi:10.3762/bjnano.16.96

Graphical Abstract
  • Vladimir Pimonov Said Tahir Vincent Jourdain Laboratoire Charles Coulomb, Univ Montpellier, CNRS, Montpellier, France 10.3762/bjnano.16.96 Abstract This study addresses the challenge of analyzing the growth kinetics of carbon nanotubes using in situ homodyne polarization microscopy (HPM) by
  • series of video processing steps to enhance contrast and used differential treatment techniques to manage low signal and fast kinetics. The DL model demonstrates consistency with manual measurements and increased throughput, laying the foundation for statistical studies of nanotube growth. The approach
  • can be adapted for other types of in situ microscopy studies, emphasizing the importance of automation in high-throughput data acquisition for research on individual nano-objects. Keywords: carbon nanotubes growth kinetics; deep learning; in situ microscopy; object recognition and tracking
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Published 13 Aug 2025

Enhancing the photoelectrochemical performance of BiOI-derived BiVO4 films by controlled-intensity current electrodeposition

  • Huu Phuc Dang,
  • Khanh Quang Nguyen,
  • Nguyen Thi Mai Tho and
  • Tran Le

Beilstein J. Nanotechnol. 2025, 16, 1289–1301, doi:10.3762/bjnano.16.94

Graphical Abstract
  • in PEC performance. Our method offers a higher degree of control over both the intermediate BiOI layer and the final BiVO4 structure, thereby enabling enhanced charge separation and surface reaction kinetics. Furthermore, this approach provides a deeper understanding of the relationship between the
  • higher electrodeposition current densities, suggesting preferential growth along the crystallographic direction. Higher deposition currents influence ion migration rates and nucleation kinetics, potentially leading to a preferential orientation along the (040) plane. The intensity and sharpness of the
  • kinetics. The average crystallite size (grain size) of the BiVO4 films was estimated using the Scherrer equation based on the full width at half maximum (FWHM) of the (121) diffraction peak. The Scherrer equation to calculate average crystallite size (grain size) [24][25] is where λ is the X-ray wavelength
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Published 07 Aug 2025

Better together: biomimetic nanomedicines for high performance tumor therapy

  • Imran Shair Mohammad,
  • Gizem Kursunluoglu,
  • Anup Kumar Patel,
  • Hafiz Muhammad Ishaq,
  • Cansu Umran Tunc,
  • Dilek Kanarya,
  • Mubashar Rehman,
  • Omer Aydin and
  • Yin Lifang

Beilstein J. Nanotechnol. 2025, 16, 1246–1276, doi:10.3762/bjnano.16.92

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  • as brain, liver, spleen, lungs, arterial walls for both immediate and sustained release. Their degradation and release kinetics can be controlled or manipulated by different methods and incorporation or conjugation of specific materials. Importantly, they mainly focus on different biomaterials, drug
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Published 05 Aug 2025

Hydrogels and nanogels: effectiveness in dermal applications

  • Jéssica da Cruz Ludwig,
  • Diana Fortkamp Grigoletto,
  • Daniele Fernanda Renzi,
  • Wolf-Rainer Abraham,
  • Daniel de Paula and
  • Najeh Maissar Khalil

Beilstein J. Nanotechnol. 2025, 16, 1216–1233, doi:10.3762/bjnano.16.90

Graphical Abstract
  • nanocarriers, pharmacokinetic and pharmacodynamic parameters – such as size, release kinetics, and biodistribution of the encapsulated drug – must be carefully defined to maximize the efficacy of the system [65]. Such considerations are essential to obtain stable formulations with a controlled release profile
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Published 01 Aug 2025

Investigation of the solubility of protoporphyrin IX in aqueous and hydroalcoholic solvent systems

  • Michelly de Sá Matsuoka,
  • Giovanna Carla Cadini Ruiz,
  • Marcos Luciano Bruschi and
  • Jéssica Bassi da Silva

Beilstein J. Nanotechnol. 2025, 16, 1209–1215, doi:10.3762/bjnano.16.89

Graphical Abstract
  • solubility and stability for hydrophobic compounds. In systems containing 10% (w/w) P407 with 0.4 mg/mL PpIX (EtOH50, EtOH77, and water), the complete solubilization was achieved regardless of the solvent used. Figure 4 shows the solubilization kinetics in the polymeric systems. The average concentrations
  • pharmaceutical applications. TEM micrographs revealed that PpIX micelles in water formed smaller and more uniform structures, suggesting improved drug load ability and permeability compared to alcoholic solutions. Moreover, dissolution kinetics, modeled using the Korsmeyer–Peppas equation with lag time (tlag
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Published 29 Jul 2025

Influence of ion beam current on the structural, optical, and mechanical properties of TiO2 coatings: ion beam-assisted vs conventional electron beam evaporation

  • Agata Obstarczyk and
  • Urszula Wawrzaszek

Beilstein J. Nanotechnol. 2025, 16, 1097–1112, doi:10.3762/bjnano.16.81

Graphical Abstract
  • recrystallize differently from those near the substrate, forming a visible boundary. The separation between the two layers of grains may be related to the difference in the grain growth kinetics, which may be influenced by the annealing conditions. For optical coatings, amorphous, very smooth TiO2 layers with
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Published 14 Jul 2025
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