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Search for "Co" in Full Text gives 1182 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

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
  • fragmentation. Additionally, the synthesis of heterostructured NPs composed of Au and Co using femtosecond laser techniques demonstrates the creation of metastable structures that can evolve into stable core–shell configurations [38]. These findings emphasize the role of non-equilibrium processes, rapid
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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
  • using CiteSpace has proven instrumental. CiteSpace facilitates citation network visualization, co-citation analysis and the identification of emerging research trends, providing insights into the intellectual structure of this scientific domain [26]. By uncovering key contributors and trends
  • research topics related to MP removal with BC. CiteSpace was chosen for its ability to detect citation bursts and perform cluster labeling analysis, highlighting emerging research trends and intellectual structures. Compared to VOSviewer, which primarily visualizes co-authorship networks and keyword co
  • maintain credibility and research quality. Articles published before 2017 were excluded to focus on recent advancements and eliminate outdated or unreported studies. The procedure is illustrated in Figure 1. Bibliometric analysis The bibliometric analysis utilized citation and co-citation analysis to
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Published 21 Aug 2025

Synthesis and antibacterial properties of nanosilver-modified cellulose triacetate membranes for seawater desalination

  • Lei Wang,
  • Shizhe Li,
  • Kexin Xu,
  • Wenjun Li,
  • Ying Li and
  • Gang Liu

Beilstein J. Nanotechnol. 2025, 16, 1380–1391, doi:10.3762/bjnano.16.100

Graphical Abstract
  • further improvements and new applications of nanomaterials in membrane technology remains promising. Experimental Materials CTA was purchased from DAICEL (China) Investment Co., Ltd. Dopamine hydrochloride (98%), tris(hydroxymethyl)aminomethane hydrochloride (standard buffer substance, 99.9% (titration
  • )), trifluoromethanesulfonic acid (99.5%), and AgNO3 (0.1 mol·L−1 in H2O) were all sourced from Aladdin Chemical Reagent Co., Ltd (Shanghai, China). Ammonia was obtained from Harbin Dongfang Chemical Reagent Co., Ltd. All chemical reagents were utilized as received without further purification. Bacillus cereus, Bacillus
  • thuringiensis, Lysinibacillus xylanilyticus, Lysinibacillus lparviboronicapiens, and Burkholderia ambifaria were isolated and purified from farmland, Jilin province, China. Peptone, beef extract, sucrose, and NaCl, purchased from Tianjin Sanjiang Chemical Technology Co. Ltd., were employed to prepare the NB
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Published 19 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
  • , and the possibility of co-delivering multiple active agents within a single system [56]. Since different encapsulation materials provide distinct features in drug encapsulation and delivery, the selection of suitable encapsulation materials is crucial and depends on the nature of the drug, the
  • S. aureus, E. faecium, E. faecalis, and M. tuberculosis. In order to achieve a sustained release of auranofin to the infection site and improve the treatment efficacy, Díez-Martínez et al. investigated the encapsulation of this Au(I) complex in poly(lactic-co-glycolic acid) (PLGA) nanoparticles and
  • example, Gasser and co-workers disclosed the encapsulation of the Ru(II) polypyridyl complexes 18 (Figure 5) in nanoconjugates of poly(lactic acid) (PLA) with varying molecular weights [127]. Nanoprecipitation produced narrowly dispersed nanoparticles with high ruthenium loadings (up to 53%), as confirmed
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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
  • liposomes were prepared by Gai et al. to co-load metallothionein 1D pseudogene (MT1DP) and erastin (E/M@FA-LPs) to improve the bioavailability and efficacy of the drug/gene mixture. The characterization tests revealed that E/M@FA-LP had a spherical shape, a diameter of about 154 nm and a zeta potential of
  • of the metal polyphenol network hybrid liposome was 198 nm with a spheroidal shape and a zeta potential of approximately −15 mV. Nebulization resulted in approximately 8.2 times higher lung accumulation than intravenous injection. Co-delivery of a gallic acid-Fe metal polyphenol network and
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Published 14 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
  • thickness. Alternatively, Liu et al. [16] employed RF sputtering with a single BiVO4 target, but the volatility of Bi in a vacuum environment often led to an imbalanced Bi/V ratio, requiring precise regulation of oxygen partial pressure. Gong et al. [17] utilized DC co-sputtering of Bi and V targets to
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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

Graphical Abstract
  • with chemotherapeutic agents, rHDL shows outstanding active targeting and anticancer activities [57]. Moreover, rHDL showed potential to co-load hydrophobic paclitaxel and hydrophilic doxorubicin in apo A-I targeted rHDL nanoparticles. These nanoparticles showed superior antitumor activity in vitro and
  • in which enzymes that perform sequential functions of a metabolic pathway are noncovalently associated with each other. The multifunctional enzyme complexes inspired researchers to design multienzyme complexes of their own choice. Initially, multiple enzymes were co-loaded in liposomes to perform
  • that co-administration with doxorubicin significantly inhibited tumor growth and induced apoptosis, highlighting the system’s promise for overcoming chemoresistance in TNBC [145]. The success of efficient drug delivery to achieve considerable therapeutic outcomes highly depends on various critical
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Published 05 Aug 2025

Functional bio-packaging enhanced with nanocellulose from rice straw and cinnamon essential oil Pickering emulsion for fruit preservation

  • Tuyen B. Ly,
  • Duong D. T. Nguyen,
  • Hieu D. Nguyen,
  • Yen T. H. Nguyen,
  • Bup T. A. Bui,
  • Kien A. Le and
  • Phung K. Le

Beilstein J. Nanotechnol. 2025, 16, 1234–1245, doi:10.3762/bjnano.16.91

Graphical Abstract
  • by Loc Troi Group from An Giang province, Viet Nam. Cinnamon essential oil (CEO) was obtained from pure Cinnamomum verum bark through steam distillation by Notessen Co. Ltd. (Viet Nam) and exhibited a cinnamaldehyde content greater than 96%. All chemicals, including sulfuric acid (H2SO4), polyvinyl
  • diffraction (XRD) was performed using an Aeris Minerals Edition from PANalytical (UK) with Co radiation at 40 kV. Biopackaging samples were clipped on a 16 mm holder and the measurement was performed using a 1/8° diffraction slit. Mechanical strength was determined at room temperature using a Testometric X350
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Published 04 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
  • showed a 6-fold increase in the transport of diclofenac to the skin surface when compared with commercial formulations [32]. Nanogels synthesized from a cross-linking copolymer of poly(itaconic anhydride-co-3,9-divinyl-2,4,8,10-tetraoxaspiro[5.5]undecane) with 1,12-dodecanediol demonstrated dual pH and
  • cellulose nanocrystals poly(ε-caprolactone-co-lactide)-b-poly(ethyleneglycol)-b-poly(ε-caprolactone-co-lactide) [217] or doxorubicin-loaded polydopamine-alginate [219] showed inhibition in tumor growth. Thus, this technique tends to present a great advance in the design methods and in the ease of obtaining
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Published 01 Aug 2025

Crystalline and amorphous structure selectivity of ignoble high-entropy alloy nanoparticles during laser ablation in organic liquids is set by pulse duration

  • Robert Stuckert,
  • Felix Pohl,
  • Oleg Prymak,
  • Ulrich Schürmann,
  • Christoph Rehbock,
  • Lorenz Kienle and
  • Stephan Barcikowski

Beilstein J. Nanotechnol. 2025, 16, 1141–1159, doi:10.3762/bjnano.16.84

Graphical Abstract
  • produces polycrystalline HEA NPs, nanosecond-pulsed laser ablation favors a metastable amorphous structure. Particle cores in all cases exhibit a homogeneous distribution of the metals Cr, Mn, Fe, Co, and Ni, while particle shells were found to vary between manganese-enriched oxide layers and thin
  • decomposition [4], oxygen evolution reactions (OER) [14], oxygen reduction reactions (ORR) [15], in CO oxidation [16], and in CO2 and CO reduction [17]. This high activity in catalysis has been attributed to adsorption energy distribution patterns (AEDP) during catalytic reactions [18], which may be tuned based
  • amorphous. As different pulse durations (ps vs ns) may lead to fundamentally different ablation mechanisms during LAL [50][64], it is conceivable that differences in sample compositions (content and distribution of the elements Cr, Mn, Fe, Co, Ni) may be responsible for the observed pulse-duration-dependent
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Published 17 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
  • Professor Jarosław Domaradzki from Wrocław University of Science and Technology for their support in thin films manufacturing and their characterization and the valuable discussion and constructive feedback regarding the analysis and interpretation of the investigation results. Funding This work was co
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Published 14 Jul 2025

Fabrication of metal complex phthalocyanine and porphyrin nanoparticle aqueous colloids by pulsed laser fragmentation in liquid and their potential application to a photosensitizer for photodynamic therapy

  • Taisei Himeda,
  • Risako Kunitomi,
  • Ryosuke Nabeya,
  • Tamotsu Zako and
  • Tsuyoshi Asahi

Beilstein J. Nanotechnol. 2025, 16, 1088–1096, doi:10.3762/bjnano.16.80

Graphical Abstract
  • = AlCl, Fe, Co, Zn) and Pt complex octaethylporphyrin (PtOEP) by nanosecond laser fragmentation of the corresponding microcrystalline powders in an aqueous solution of the amphiphilic polymer Pluronic® F-127. All nanoparticles dispersed stably in phosphate-buffered saline and cell culture media without
  • acetate [23], paclitaxel [24], naproxen and fenofibrate [25], curcumin [26], and cinnamon [27]. This work aims to fabricate aqueous colloids of MPc (M = AlCl, Fe, Co, Zn) and Pt complex octaethylporphyrin (PtOEP) (Figure 1) nanoparticles with a high dispersion stability and to demonstrate the potential
  • MPc and the hydrophobic PPO block of F-127, leading to high dispersion stability not only water but also in PBS. In cases of other MPcs (M = Co, Fe, Zn), the addition of F-127 significantly influenced the efficiency of nanoparticle generation as well as their dispersion stability (Figure S4
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Published 11 Jul 2025

Soft materials nanoarchitectonics: liquid crystals, polymers, gels, biomaterials, and others

  • Katsuhiko Ariga

Beilstein J. Nanotechnol. 2025, 16, 1025–1067, doi:10.3762/bjnano.16.77

Graphical Abstract
  • plastic crystals exhibits exceptional thermal stability, electrochemical stability, and ionic conductivity, making it a promising option. Yoshizawa-Fujita and co-authors investigated the impact of anion species and Mg salt concentration on the characteristics of pyrrolidinium-based organic ionic plastic
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Published 04 Jul 2025

Multifunctional properties of bio-poly(butylene succinate) reinforced with multiwalled carbon nanotubes

  • Volodymyr Krasinskyi,
  • Krzysztof Bajer,
  • Ludmila Dulebova,
  • Nickolas Polychronopoulos,
  • Oksana Krasinska and
  • Daniel Kaczor

Beilstein J. Nanotechnol. 2025, 16, 1014–1024, doi:10.3762/bjnano.16.76

Graphical Abstract
  • prepared using a co-rotating twin-screw extruder, type BTSK 20/40D (Bühler, Braunschweig, Germany), equipped with screws of 20 mm diameter and an L/D ratio of 40, and a two-opening die head without degassing [26]. Before processing, PBS was dried in air at a temperature of 80 °C for 5 h. First, a PBS-based
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Published 03 Jul 2025

A calix[4]arene-based supramolecular nanoassembly targeting cancer cells and triggering the release of nitric oxide with green light

  • Cristina Parisi,
  • Loredana Ferreri,
  • Tassia J. Martins,
  • Francesca Laneri,
  • Samantha Sollima,
  • Antonina Azzolina,
  • Antonella Cusimano,
  • Nicola D’Antona,
  • Grazia M. L. Consoli and
  • Salvatore Sortino

Beilstein J. Nanotechnol. 2025, 16, 1003–1013, doi:10.3762/bjnano.16.75

Graphical Abstract
  • reaction between suitable photosensitizers and the NOPD co-encapsulated within different types of biocompatible host systems. Inspired by this work, we thought that a calixarene covalently integrating specific cell-targeting ligands and a suitable chromo-fluorogenic unit can impose the whole structure
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Published 03 Jul 2025

Time-resolved probing of laser-induced nanostructuring processes in liquids

  • Maximilian Spellauge,
  • David Redka,
  • Mianzhen Mo,
  • Changyong Song,
  • Heinz Paul Huber and
  • Anton Plech

Beilstein J. Nanotechnol. 2025, 16, 968–1002, doi:10.3762/bjnano.16.74

Graphical Abstract
  • detecting and discerning the largely co-evolving processes. Given a timescale for electron temperature equilibration of few picoseconds and one for diffusive ripening processes of minutes to hours, the time-resolved tools require a temporal resolution that spans many decades. Early experimental efforts
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Published 02 Jul 2025

Tendency in tip polarity changes in non-contact atomic force microscopy imaging on a fluorite surface

  • Bob Kyeyune,
  • Philipp Rahe and
  • Michael Reichling

Beilstein J. Nanotechnol. 2025, 16, 944–950, doi:10.3762/bjnano.16.72

Graphical Abstract
  • a vital role as the tip-terminating cluster uniquely interacts with the different surface atoms. At cryogenic temperatures, the use of functionalized tips such as as CO-terminated tips [6][11], Xe-terminated tips [12][13][14] and O-terminated Cu tips [15][16][17] has become the state-of-the-art for
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Published 26 Jun 2025

Structural and magnetic properties of microwave-synthesized reduced graphene oxide/VO2/Fe2O3 nanocomposite

  • Sumanta Sahoo,
  • Ankur Sood and
  • Sung Soo Han

Beilstein J. Nanotechnol. 2025, 16, 921–932, doi:10.3762/bjnano.16.70

Graphical Abstract
  • with graphene by applying MW irradiation for certain time intervals. In this context, Zhang et al. reported the synthesis of Ni-Co sulfide/graphene NC through MW irradiation at a power of 1000 W for 60 s [12]. As a supercapacitor (SC) electrode, the MW-synthesized NC displayed a specific capacitance of
  • . nitric acid (HNO3), and ethanol were obtained from Duksan Pure Chemicals Co. Ltd. Graphite powder was supplied by Sigma-Aldrich. Instrumentation and characterization techniques The “PANalytical, X’Pert-PRO MPD” instrument (Cu Kα line; λ = 1.5406 Å) was utilized to carry out the XRD analyses of rGO and
  • corresponding oxides, which eventually dispersed on the surface of the graphene sheets. In the meantime, the graphite oxide was reduced and exfoliated to form rGO. The oxygen functionalities present in the graphite oxide were partially removed from the reaction system in the form of gases (e.g., CO2, CO) [25
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Published 20 Jun 2025

Ar+ implantation-induced tailoring of RF-sputtered ZnO films: structural, morphological, and optical properties

  • Manu Bura,
  • Divya Gupta,
  • Arun Kumar and
  • Sanjeev Aggarwal

Beilstein J. Nanotechnol. 2025, 16, 872–886, doi:10.3762/bjnano.16.66

Graphical Abstract
  • 23 keV co-implanted (H+ and N+ ions) ZnO films. But in these two above-quoted reports nitrogen ions were used for implantation. Nitrogen ions act as n-type doping and can alter the stoichiometry of ZnO films, which is not desirable in certain optoelectronic devices [10][11]. Hence, we have used Ar
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Published 11 Jun 2025

Insights into the electronic and atomic structures of cerium oxide-based ultrathin films and nanostructures using high-brilliance light sources

  • Paola Luches and
  • Federico Boscherini

Beilstein J. Nanotechnol. 2025, 16, 860–871, doi:10.3762/bjnano.16.65

Graphical Abstract
  • methods [30][31][32]. Initial studies were performed by exposing the surface of interest to the chosen molecule at UHV-compatible pressures. The interaction between cerium oxide and, for example, CO [21][33], SO2 [34], methanol [32], ethanol [35], and water [36] have been considered. The higher energy
  • of surface C or CO [38]. Resonant photoemission detected by a spectroscopic photoemission and low-energy electron microscope (SPLEEM) was also used to acquire local information on the oxidation degree of cerium in mixed zirconia–ceria nanostructures supported on a Rh(111) single crystal [39]. Figure
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Published 10 Jun 2025

Facile one-step radio frequency magnetron sputtering of Ni/NiO on stainless steel for an efficient electrode for hydrogen evolution reaction

  • Ha Huu Do,
  • Khac Binh Nguyen,
  • Phuong N. Nguyen and
  • Hoai Phuong Pham

Beilstein J. Nanotechnol. 2025, 16, 837–846, doi:10.3762/bjnano.16.63

Graphical Abstract
  • importantly, the XRD image of Ni/NiO/SS-10 presents peaks at 37.20°, 43.21°, and 62.91°, which correspond to the (111), (200), and (220) planes of the NiO phase (PDF 00-004-0835) [34][35]. Meanwhile, the peak of the Ni metal phase still appeared in the Ni/NiO/SS-10 sample, proving the co-existence of metal
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Published 06 Jun 2025

Synthesis and magnetic transitions of rare-earth-free Fe–Mn–Ni–Si-based compositionally complex alloys at bulk and nanoscale

  • Shabbir Tahir,
  • Tatiana Smoliarova,
  • Carlos Doñate-Buendía,
  • Michael Farle,
  • Natalia Shkodich and
  • Bilal Gökce

Beilstein J. Nanotechnol. 2025, 16, 823–836, doi:10.3762/bjnano.16.62

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  • weight ratio of 20:1 with a rotation speed of sun disk/jars 700 rpm/1400 rpm. In the second step, the HEBM powders were consolidated using SPS (Dr. Sinter Lab – Fuji Electronic Industrial Co. Ltd.) in a vacuum environment. The powder mixture was loaded into a cylindrical graphite die with an inner
  • Co Kα radiation over a 2θ range of 20–110°. The magnetic properties of the samples were measured using a Quantum Design DynaCool physical property measurement system at temperatures ranging from 5 to 390 K under external magnetic fields up to 9 T. Synthesis of CCA NPs by PLAL The CCA colloidal NPs
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Published 05 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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  •  3d confirms the presence, in addition to iron, of elements from additives and organic compounds, such as Si from SiO2, Ca from calcium alginate, and Co most likely from cobalamin. The Na and Cl peaks relating to salt (NaCl), and peaks of P, S, Ni, and Zn (trace levels), were classified as
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Published 02 Jun 2025

Efficiency of single-pulse laser fragmentation of organic nutraceutical dispersions in a circular jet flow-through reactor

  • Tina Friedenauer,
  • Maximilian Spellauge,
  • Alexander Sommereyns,
  • Verena Labenski,
  • Tuba Esatbeyoglu,
  • Christoph Rehbock,
  • Heinz P. Huber and
  • Stephan Barcikowski

Beilstein J. Nanotechnol. 2025, 16, 711–727, doi:10.3762/bjnano.16.55

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  • -403 degasser unit, SIL-40C XR autosampler, and SPD-M30A UV detector from Shimadzu Deutschland GmbH. A 100 mm Nucleosil-C18 column incl. precolumn from Macherey-Nagel GmbH & Co. KG with an inner diameter of 4 mm and particle sizes of 3 µm was used. For curcumin, the mobile phase consisted of a 1.36 g·L
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Published 26 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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  • under grant number 22/INSERM/443. Competing Interests One co-author is affiliated with Blackleaf, a company that produces graphene and markets products and services related to graphene and its applications. This study was also partially funded by Blackleaf.
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Published 20 May 2025
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