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Search for "current" in Full Text gives 1432 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

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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  • electrophoresis tank containing freshly prepared chilled electrophoresis solution (1 mM of EDTA, 300 mM of NaOH, pH > 13) for 20 min for DNA unwinding and subsequently subjected to electrophoresis with a 300 mA current, 0.7 V/cm at 4 °C under dimmed light for 30 min. After electrophoresis, the slides were treated
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Published 03 Mar 2025

Fabrication and evaluation of BerNPs regarding the growth and development of Streptococcus mutans

  • Tuyen Huu Nguyen,
  • Hong Thanh Pham,
  • Kieu Kim Thanh Nguyen,
  • Loan Hong Ngo,
  • Anh Ngoc Tuan Mai,
  • Thu Hoang Anh Lam,
  • Ngan Thi Kim Phan,
  • Dung Tien Pham,
  • Duong Thuy Hoang,
  • Thuc Dong Nguyen and
  • Lien Thi Xuan Truong

Beilstein J. Nanotechnol. 2025, 16, 308–315, doi:10.3762/bjnano.16.23

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  • materials with novel properties. The development of substances and methods with enhanced water dispersibility and bioavailability from materials such as berberine and curcumin is a current trend. Several studies on the nanofabrication of berberine aimed at improving its bioavailability and evaluating its
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Published 27 Feb 2025

Enhancing mechanical properties of chitosan/PVA electrospun nanofibers: a comprehensive review

  • Nur Areisman Mohd Salleh,
  • Amalina Muhammad Afifi,
  • Fathiah Mohamed Zuki and
  • Hanna Sofia SalehHudin

Beilstein J. Nanotechnol. 2025, 16, 286–307, doi:10.3762/bjnano.16.22

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  • evaluate mechanical properties and provides a comparative analysis of different enhancement approaches. Applications in biomedical and industrial contexts are explored, showcasing the versatility and innovation potential of these nanofibers. Finally, current challenges are addressed, and future research
  • current techniques and methods for improving the mechanical properties of electrospun nanofibers, thereby enhancing their application in various fields. Materials composition Chitosan is an intriguing material derived from chitin. Because of its promising properties, it has attracted significant attention
  • approaches with distinct fiber-producing capabilities such as centrifugal electrospinning, alternating current electrospinning, near-field electrospinning, multinozzle electrospinning, and needleless electrospinning. Other improvement efforts include modifications on the solution or melts used for
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Published 26 Feb 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

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  • the same TMZ-loaded CNs was performed using PEG1500, PEG4000, and PEG6000, sustained release over extended periods of time was also observed, with no significant difference in the drug release profile between the different PEGylated formulations. Therefore, in the current study, PEG6000 was used for
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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

Graphical Abstract
  • Abstract The human eye, with its remarkable resolution of up to 576 million pixels, grants us the ability to perceive the world with astonishing accuracy. Despite this, over 2 billion people globally suffer from visual impairments or blindness, primarily because of the limitations of current ophthalmic
  • the photothermal properties of these nanomaterials and their innovative therapeutic mechanisms. We review the latest research on photothermal nanomaterial-based treatments for various eye diseases. Additionally, we discuss the current challenges and future perspectives in this field, with a focus on
  • (Figure 1). In addition, the application progress of photothermal nanomaterials in promoting retinal drug delivery and enhancing photoacoustic imaging was also discussed. Finally, we address the current challenges and prospects in ophthalmic treatment technologies based on photothermal nanomaterials, with
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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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  • frameworks (MOFs) have gained recognition as MMM fillers for CO2 capture. Here, a review of the current state, recent advancements, and challenges in the fabrication and engineering of MMMs with MOFs for selective CO2 capture is proposed. Key considerations and promising research directions to fully exploit
  • opportunities encountered in the development and fabrication of MOF-based MMMs for CO2 capture. An account of current trends in the field is given, while gaps and further areas of investigation are identified and highlighted. Specifically, the review intends to convey a broad yet comprehensive understanding of
  • –3.6 Å), the majority of MOFs exhibiting high adsorption capacities for CO2 have pore openings that largely surpass the dimensions of the CO2 molecule [26]. Consequently, most current MOF-related studies rely on the separation of the molecules based on the adsorptive interactions between the MOF
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Published 12 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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  • 27.84% and 27.38% for Cu2O and PEDOT:PSS, respectively, with corresponding open-circuit voltages of 1.27 and 1.22 V, short-circuit current densities of 28.60 and 28.91 mA/cm2, and fill factors of 76.31% and 77.15%, respectively. These results highlight the potential of these HTLs for enhanced device
  • -circuit current density (JSC) of 13.26 mA/cm2, and a fill factor (FF) of 66%. The PCE is close to that of the Pt-based counter electrode (PCE = 6.86%). Akman [3] used hydrothermal methods to synthesize the photoanodes with different doping sources to further improve the stability of DSSCs. For 1.0 mol
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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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  • transport across membranes, and extend circulation times. These advantages could reduce the negative effects of off-target drug accumulation and improve the release to the disease sites compared to current delivery systems [6]. Despite the expected applications in the biomedical field, the journey of NPs
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Published 31 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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  • peak current, though a steady addition led to decreased currents, possibly due to surface accumulation. The Nyquist plots display a larger impedance for ZnO electrodes. To fit the data into an analogous circuit, an uninterrupted phase element (Q1) was introduced with the adjustable parameters angular
  • ) Nyquist plots representing impedance spectra from electrochemical impedance spectroscopy. (d) Concentration vs peak current graph derived from CV studies. (a) Antibacterial activity assessment against human pathogens showing the zone of inhibition in millimeters. (b) Visual representation of an
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Published 30 Jan 2025

Instance maps as an organising concept for complex experimental workflows as demonstrated for (nano)material safety research

  • Benjamin Punz,
  • Maja Brajnik,
  • Joh Dokler,
  • Jaleesia D. Amos,
  • Litty Johnson,
  • Katie Reilly,
  • Anastasios G. Papadiamantis,
  • Amaia Green Etxabe,
  • Lee Walker,
  • Diego S. T. Martinez,
  • Steffi Friedrichs,
  • Klaus M. Weltring,
  • Nazende Günday-Türeli,
  • Claus Svendsen,
  • Christine Ogilvie Hendren,
  • Mark R. Wiesner,
  • Martin Himly,
  • Iseult Lynch and
  • Thomas E. Exner

Beilstein J. Nanotechnol. 2025, 16, 57–77, doi:10.3762/bjnano.16.7

Graphical Abstract
  • and bottom-up and evolved based on real applications by the nanosafety research community. Instance maps for on-the-fly data FAIRification Much of the potential benefit provided by instance maps arises from removing the current separation of data production from data curation, harmonisation, reporting
  • still limited in the current version of the tool but will be improved in the future to support the harmonised and interoperable on-the-fly data management concept envisioned in the introduction and described in [3]. Users can provide further information such as descriptions, keywords, version numbers
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Published 22 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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  • microscope over a wide current range. A central zone of the sample offers several contact pads, each addressable by the tip of a conductive atomic force microscopy probe, and each connected to a different calibrated resistor. Thus, calibrated current measurements over a large current range become possible
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Published 21 Jan 2025

Theoretical study of the electronic and optical properties of a composite formed by the zeolite NaA and a magnetite cluster

  • Joel Antúnez-García,
  • Roberto Núñez-González,
  • Vitalii Petranovskii,
  • H’Linh Hmok,
  • Armando Reyes-Serrato,
  • Fabian N. Murrieta-Rico,
  • Mufei Xiao and
  • Jonathan Zamora

Beilstein J. Nanotechnol. 2025, 16, 44–53, doi:10.3762/bjnano.16.5

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  • magnetic materials. Computational Details In the current study, the dehydrated sodium LTA zeolite, commonly denoted as NaA in the literature, with a ratio of Si/Al = 1 was considered. For this purpose, we adopted the trigonal cell proposed by Antúnez-García et al. [54], for which the lattice parameters are
  • ε2 and the ELF of the composite (as shown in Figure 7a), which indicates that, unfortunately, the primary peak occurs outside the visible range. However, considering that the current results highlight the modification of the cluster’s optical properties when introduced into the zeolite, there is
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Published 17 Jan 2025

Precursor sticking coefficient determination from indented deposits fabricated by electron beam induced deposition

  • Alexander Kuprava and
  • Michael Huth

Beilstein J. Nanotechnol. 2025, 16, 35–43, doi:10.3762/bjnano.16.4

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  • region has two conditions: 1) The beam current has to be high enough to cause significant depletion and thus induce diffusion. Low irradiative depletion would shift the balance towards the RRL regime. 2) The precursor has to exhibit a certain degree of diffusivity in order to guarantee a noticeable mass
  • certain conditions. The beam size has to be large enough for all mass transport to be consumed by the beam before it reaches the beam center area. To fulfill this condition in practice, the beam size and current have to be chosen such that a well-defined plateau shape is formed. This precaution is taken
  • . Nevertheless, the cause could also be the presence of a process that influences precursor coverage but is not considered in the model. In this case, the difference is revealed by slightly different deposition conditions (current density). In particular, the model does not take into account the possibility of
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Published 13 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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  • current of 300 pA, and a working distance of ≈10 mm and ≈7 mm in high-vacuum mode (pressure < 0.04 Pa). The SEM images were collected using an in-chamber Everhart−Thornley detector which identifies secondary electrons. Contact angle measurements The measurements were performed by the sessile drop method
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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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  • Norma Salvadores Farran Limin Wang Primoz Pirih Bodo D. Wilts Department for Chemistry and Physics of Materials, University of Salzburg, Jakob-Haringer-Str. 2a, 5020 Salzburg, Austria Current address: Institute of Materials Science and Technology, Vienna Technical University, 1060 Vienna, Austria
  • , Watford, UK). The settings were: sputter time 120 s, current 40 mA, and background pressure 0.08 mbar. Cross-sectional images of single scales were recorded using a focused ion beam scanning electron microscope (Scios2, Thermo Fisher Scientific, Waltham, MA, USA) using an Everhart–Thornley detector and an
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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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  • limitations of current endosomal escape strategies, innovative approaches are urgently needed. Unraveling the mechanisms underpinning endosomal escape is pivotal for the development of novel, safe, and effective agents capable of overcoming these formidable barriers. Recent studies have highlighted the
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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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  • and hexagonal phases were observed at higher input pulse energies. We believe these correspond to HfO2 and Hf6O, respectively. Further, in [10], we did not explore the formation of surface nanostructures on Hf after ablation. Therefore, the current study intends to understand the role of input pulse
  • potential material for sophisticated design patterning [66]. Conclusion The current study shows the successful single-step fabrication of HfO2 NPs and nanofibres in DW and HfC core–shell NPs with multilayered graphitic shells in toluene and anisole via LAL of Hf metal. The obtained NPs exhibit a broad size
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Published 18 Dec 2024

Heterogeneous reactions in a HFCVD reactor: simulation using a 2D model

  • Xochitl Aleyda Morán Martínez,
  • José Alberto Luna López,
  • Zaira Jocelyn Hernández Simón,
  • Gabriel Omar Mendoza Conde,
  • José Álvaro David Hernández de Luz and
  • Godofredo García Salgado

Beilstein J. Nanotechnol. 2024, 15, 1627–1638, doi:10.3762/bjnano.15.128

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  • , which are activated by an externally applied voltage generating a current; these filaments have a temperature of approximately 2300 K. The second zone includes the region where the chemical reactions takes place. Here, molecular hydrogen, exposed to the high temperature of the filaments, dissociates to
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Published 17 Dec 2024

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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  • employed in treating other diseases, such as Alzheimer's disease. Current medications for Alzheimer's face the challenge of the blood–brain barrier (BBB), which includes the blood–brain, cerebrospinal fluid–brain, and blood–cerebrospinal fluid barriers. These barriers exhibit high selectivity in drug
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Published 16 Dec 2024

Natural nanofibers embedded in the seed mucilage envelope: composite hydrogels with specific adhesive and frictional properties

  • Agnieszka Kreitschitz and
  • Stanislav N. Gorb

Beilstein J. Nanotechnol. 2024, 15, 1603–1618, doi:10.3762/bjnano.15.126

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  • , three-dimensional network of polysaccharides (cellulose, pectins, and hemicelluloses) and is able to absorb large amounts of water. Depending on the water content, mucilage can behave as an efficient lubricant or as strong glue. The current work attempts to summarise the achievements in the research on
  • adhesive properties, and ecological aspects associated with these properties. We also summarise and discuss the results of our studies from the last few years conducted on mucilage envelopes and summarise them to demonstrate the current state of knowledge on this topic (Figure 2). Review Spatial structure
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Published 13 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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  • environmental applications. Current research has paved the way for developing ʟ-carnosine-capped AgNPs (ʟ-car-AgNPs) enabling environmental monitoring and remediation applications. In addition, ʟ-carnosine is a natural compound widely present in the human brain and meat products. Also, it was reported that
  • bands and colors of the ʟ-car-AgNPs samples are similar to those published on CTAB-capped silver nanorods [24]. The formation of aggregated nanoparticles in the current study is probably due to the capping of ʟ-carnosine instead of CTAB. In addition, ʟ-carnosine induces a second absorption peak in the
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Published 06 Dec 2024

Green synthesis of silver nanoparticles derived from algae and their larvicidal properties to control Aedes aegypti

  • Matheus Alves Siqueira de Assunção,
  • Douglas Dourado,
  • Daiane Rodrigues dos Santos,
  • Gabriel Bezerra Faierstein,
  • Mara Elga Medeiros Braga,
  • Severino Alves Junior,
  • Rosângela Maria Rodrigues Barbosa,
  • Herminio José Cipriano de Sousa and
  • Fábio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 1566–1575, doi:10.3762/bjnano.15.123

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  • cells, and in vivo models such as Danio rerio (zebrafish). Conclusion Nanotechnology has great potential in current medicinal and agricultural systems, where pests and disease vectors are controlled by chemical pesticides that are toxic to non-target species and harmful to soil fertility and ecosystems
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Published 04 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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  • −6 M [32]. The combination of two types of MOFs has been rarely investigated for the detection of antibiotics. To our current knowledge, no reports have been made on the use of electrodes modified with a mixture of MOFs for the detection of enrofloxacin. In this study, a sensor was developed using a
  • current of approximately 6 µA. Therefore, the optimal weight percentages of 5% CuBTC and 5% FeBTC were chosen for electrode fabrication in the subsequent experiments. Effect of supporting electrolyte on the ENR signal The electrolyte plays a crucial role in the oxidation reaction of ENR. Four electrolytes
  • @CPE electrode in a 1 µM ENR solution in PBS at different pH values (Figure 9a). The height of the ENR peak was significantly affected, as shown in Figure 9b. The ENR peak current increased significantly while the pH changed from 5 to 7 and reached the highest value at pH 7. As the pH value increased
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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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  • of implementation, management, resources, and power. These strong constraints on infrastructures, competences, and resources constitute a significant barrier for non-specialists or non-academic institutions, for example technological SMEs. Current multiscale approaches also lack a high degree of
  • relatively low throughput of multiscale modelling approaches in current scenarios. In recent years, however, we have begun to witness the success of AI and ML for materials development [7][13]. This is particularly evident, for example, in the application of AI-related methods for the prediction of structure
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Published 27 Nov 2024

Polymer lipid hybrid nanoparticles for phytochemical delivery: challenges, progress, and future prospects

  • Iqra Rahat,
  • Pooja Yadav,
  • Aditi Singhal,
  • Mohammad Fareed,
  • Jaganathan Raja Purushothaman,
  • Mohammed Aslam,
  • Raju Balaji,
  • Sonali Patil-Shinde and
  • Md. Rizwanullah

Beilstein J. Nanotechnol. 2024, 15, 1473–1497, doi:10.3762/bjnano.15.118

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Published 22 Nov 2024
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