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Search for "LED" in Full Text gives 720 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

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
  • . Such a trend was observed in a study of Jun et al. [47] in which MWCNTs conjugated with chitosan oligomers and with incorporated tea polyphenols for cancer treatment were irradiated by gamma rays from 60Co for 30 min with a dose of 1.5 Gy. The irradiation also led to changes in zeta potential to lower
  • oxidation, the content of functional groups increased because of the increase in the effective surface for functionalization (or decrease in size) and the increase in number of defective sites on the MWCNTs created by the gamma photons. In addition, an exposure of SWCNTs to gamma radiation led to a
  • significantly higher extent of functionalization with single-stranded DNA [64]. It was also shown that gamma radiation with low doses, 25 and 50 kGy, improved the graphite arrangement of MWCNTs; higher doses, 100 and 150 kGy, led to major structural deteriorations, while very high doses above 200 kGy distorted
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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
  • damage to surrounding tissues due to inadequate control over the heat distribution [100][101][102][103][104][105]. Innovations in this field have led to the development of transparent polylactic acid (PLA) thin films with embedded iron oxide nanoclusters prepared via spin coating [51]. The efficient
  • a frequent complication following ophthalmic surgery [146][147][148]. While antibiotics remain the most effective treatment against microbial infections, their global overuse has led to the emergence of drug-resistant bacterial strains [149][150][151]. In response, Zhou et al. developed a
  • showed that ICG liposomes led to subtle disruption effects in the ILM, in which completely ablated ILM regions alternate with intact regions. Photoporation strategies to overcome the ILM have the potential to improve the efficacy of all retinal therapies impeded by ILM delivery barriers, including
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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

Graphical Abstract
  • synthesis [32]. The resulting constructions have pore sizes ranging from microporous (<2 nm) to mesoporous (2–50 nm) [30][36]. This simple strategy has led to substantial exploration of various MOFs with different structures and properties for various applications in heterogeneous catalysis, biomedicine
  • displayed severe curling and exhibited poor MOF distributions, attributed to the prolonged evaporation times required, as well as the low viscosity and density of this solvent. In contrast, the MMMs produced in oxolane, dichloromethane, and chloroform led to generally well-formed MMMs with reasonable
  • modification expanded the pore-limiting diameter marginally from 2.8 to 2.9 Å, while maintaining the overall MOF topology. This isoreticular fine-tuning led to an increase in CO2/N2 selectivity from 180 to 500 in simulations of a 15/85 binary CO2/N2 mixture at 1 bar and 293 K. Alternatively, incorporating pro
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Published 12 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

Graphical Abstract
  • . Intranasal delivery has emerged as a promising strategy for targeting the central nervous system by bypassing the blood–brain barrier (BBB). This approach was demonstrated by the nose-to-brain administration of D6-cholestrol-loaded liposomes, which led to an accumulation of D6-cholesterol in the brain in
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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

Graphical Abstract
  • 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
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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

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  • properties can be tailored by changing their size, shape, surface chemistry, and functionality, have led to the designation of nanomaterials as a key enabling technology and to their subsequent inclusion in the broader categorisation of advanced materials [1][2]. Applications of nanomaterials derive in many
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Published 22 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

Graphical Abstract
  • concentration range (13–1650 μM) and did not cause hemolysis even at the highest concentration of 825 μM (Table 2 and Supporting Information File 1, Figure S4). Hist-RA at 220 μM led to nearly 100% hemolysis (Supporting Information File 1, Figure S4), while at concentrations of 110 and 55 μM, agglutination was
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Published 09 Jan 2025

Attempts to preserve and visualize protein corona on the surface of biological nanoparticles in blood serum using photomodification

  • Julia E. Poletaeva,
  • Anastasiya V. Tupitsyna,
  • Alina E. Grigor’eva,
  • Ilya S. Dovydenko and
  • Elena I. Ryabchikova

Beilstein J. Nanotechnol. 2024, 15, 1654–1666, doi:10.3762/bjnano.15.130

Graphical Abstract
  • on the bio-NPs was lost during the isolation process. Long-term exposure of bio-NPs to 30% sucrose at 100,000g led to the disruption of their ultrastructure. Isolation on a sucrose cushion did not preserve the protein corona on EVs and LPs, but it did not damage their ultrastructure. In the samples
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Published 30 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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  • temperature and the ratio of NaBH4 to NaOH led to the formation of ʟ-car-AgNPs with different colors. The color of the obtained nanoparticles suggested that they were in a controlled aggregated state. Further characterization was performed to analyze the physicochemical properties of the synthesized ʟ
  • is assumed that the higher temperature, along with the ratio of NaOH to NaBH4, led to the formation of aggregated ʟ-car-AgNPs. These results contradict earlier reports and confirm the formation of aggregated ʟ-car-AgNPs with two absorption bands. However, despite the different shapes, absorption
  • -AgNP1 led to the degradation of 0.25 mM P-NP within 90 s of the reaction, achieving a degradation efficiency of 95.5% (Figure 9a). In comparison, ʟ-car-AgNP2, ʟ-car-AgNP3, ʟ-car-AgNP4, and ʟ-car-AgNP5 achieved complete P-NP degradation within 100, 160, 140, and 220 s, respectively, with catalytic
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Published 06 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

Graphical Abstract
  • Ω and significantly better conductivity [37], to the (Cu)(Fe)BTC@CPE led to reduction to about a third in Rct. This reduction in charge transfer resistance is advantageous for the enhancement of electrochemical oxidation on the electrode surface. Electrochemical behaviour of enrofloxacin on the (Cu
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Published 28 Nov 2024

Effect of radiation-induced vacancy saturation on the first-order phase transformation in nanoparticles: insights from a model

  • Aram Shirinyan and
  • Yuriy Bilogorodskyy

Beilstein J. Nanotechnol. 2024, 15, 1453–1472, doi:10.3762/bjnano.15.117

Graphical Abstract
  • effects led to a polymorphic phase change, transforming the high-density fcc structure to a low-density hexagonal close-packed crystallographic phase. The investigation of the radiation stability of nanocrystalline single-phase multicomponent alloys (NiFe, NiCoFe, and NiCoCr) using molecular dynamics
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Published 21 Nov 2024

Ion-induced surface reactions and deposition from Pt(CO)2Cl2 and Pt(CO)2Br2

  • Mohammed K. Abdel-Rahman,
  • Patrick M. Eckhert,
  • Atul Chaudhary,
  • Johnathon M. Johnson,
  • Jo-Chi Yu,
  • Lisa McElwee-White and
  • D. Howard Fairbrother

Beilstein J. Nanotechnol. 2024, 15, 1427–1439, doi:10.3762/bjnano.15.115

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  • techniques is that they produce deposits with relatively low metal contents as compared to CVD and ALD. Indeed, creating deposits with high metal contents is one of the biggest challenges for FIBID and FEBID, and recent advances in precursor design and fine-tuning of deposition parameters led to deposits of
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Published 19 Nov 2024

Lithium niobate on insulator: an emerging nanophotonic crystal for optimized light control

  • Midhun Murali,
  • Amit Banerjee and
  • Tanmoy Basu

Beilstein J. Nanotechnol. 2024, 15, 1415–1426, doi:10.3762/bjnano.15.114

Graphical Abstract
  • ]. However, a major challenge in their development is maximizing the light that escapes the micro-LED. By incorporating a DBR onto the bottom of a flip-chip micro-LED, engineers can capture light that would normally be lost downward and redirect it upwards, significantly improving the overall light output
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Published 14 Nov 2024

Nanotechnological approaches for efficient N2B delivery: from small-molecule drugs to biopharmaceuticals

  • Selin Akpinar Adscheid,
  • Akif E. Türeli,
  • Nazende Günday-Türeli and
  • Marc Schneider

Beilstein J. Nanotechnol. 2024, 15, 1400–1414, doi:10.3762/bjnano.15.113

Graphical Abstract
  • revealed that an increase in particle size led to a shift towards caveolae-mediated internalization, the primary pathway for particles sized around 500 nm [69]. This shows the possibility of an even more extended particle size range to be considered for N2B delivery [69]. Regarding surface characteristics
  • administration. The optimization process yielded optimized NLCs with a particle size of 178 nm of and an entrapment efficiency of 77%. The in vivo pharmacokinetic study showed that intranasal administration of the optimized NLC formulation led to significantly faster drug absorption and greater clozapine
  • monoclonal antibody onto the NPs led to an increase in particle size and influenced the distribution of NPs in the hippocampus, indicating another critical factor for N2B delivery, namely, the particle size of NPs [153]. In another study with mAbs, Ferreira et al. developed and optimized a system of PLGA and
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Published 12 Nov 2024

Various CVD-grown ZnO nanostructures for nanodevices and interdisciplinary applications

  • The-Long Phan,
  • Le Viet Cuong,
  • Vu Dinh Lam and
  • Ngoc Toan Dang

Beilstein J. Nanotechnol. 2024, 15, 1390–1399, doi:10.3762/bjnano.15.112

Graphical Abstract
  • comparison to other compounds [4][5][6]. Specifically, its large bandgap energy Eg ≈ 3.4 eV is comparable to GaN – a typical material for blue-light-emitting diode (LED) technology [7][8]. Also, its exciton binding energy is higher than the thermal energy at 300 K, and it has high-quality optical
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Published 11 Nov 2024

A biomimetic approach towards a universal slippery liquid infused surface coating

  • Ryan A. Faase,
  • Madeleine H. Hummel,
  • AnneMarie V. Hasbrook,
  • Andrew P. Carpenter and
  • Joe E. Baio

Beilstein J. Nanotechnol. 2024, 15, 1376–1389, doi:10.3762/bjnano.15.111

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  • reducing the potential for adverse effects. Factor XII, thrombin, and calcium are critical components of the coagulation cascade, and their removal represents a pathway for lowering thrombus formation due to contact with foreign materials. Each of these components has led to different approaches for the
  • approximately 20% higher fiber diameter and 25% lower clot density than glass (Figure 9). PDA–FDT–PFD also led to significantly higher fiber diameter and lower clot density than BSA and COC, suggesting that clots formed on PDA–FDT–PFD are less stable and easier to break down than clots formed on glass, COC, and
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Published 08 Nov 2024

Nanoarchitectonics with cetrimonium bromide on metal nanoparticles for linker-free detection of toxic metal ions and catalytic degradation of 4-nitrophenol

  • Akash Kumar and
  • Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 1312–1332, doi:10.3762/bjnano.15.106

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  • and silver) nanoprobes are emerging as versatile colorimetric and spectrophotometric nanosensors for rapid detection/degradation of heavy metal ions and toxic pollutants that pose a serious challenge to environment and human health. Globally, acceleration of industrial growth and urbanization led to
  • /mL CTAB, which changes in the case of centrifuged CTAB-AgNS to 856 µg/mL. Despite less CTAB on the silver nanoparticle surface, they showed excellent sensing capability even at lower nanoparticle concentration. The addition of NaOH (5–50 µL) to centrifuged CTAB-AgNS led to no selectivity toward metal
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Published 04 Nov 2024

Enhanced catalytic reduction through in situ synthesized gold nanoparticles embedded in glucosamine/alginate nanocomposites

  • Chi-Hien Dang,
  • Le-Kim-Thuy Nguyen,
  • Minh-Trong Tran,
  • Van-Dung Le,
  • Nguyen Minh Ty,
  • T. Ngoc Han Pham,
  • Hieu Vu-Quang,
  • Tran Thi Kim Chi,
  • Tran Thi Huong Giang,
  • Nguyen Thi Thanh Tu and
  • Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1227–1237, doi:10.3762/bjnano.15.99

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  • on the formation of AuNPs@GluN/Alg. We explored the Au3+ ion-to-gel ratios ranging from 1% to 9% (w/w). The results indicate that the concentration of Au3+ ions profoundly influences the formation of stable AuNPs. An increase in Au3+ concentration led to a corresponding rise in the absorbance values
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Published 04 Oct 2024

Synthesis, characterization and anticancer effect of doxorubicin-loaded dual stimuli-responsive smart nanopolymers

  • Ömür Acet,
  • Pavel Kirsanov,
  • Burcu Önal Acet,
  • Inessa Halets-Bui,
  • Dzmitry Shcharbin,
  • Şeyda Ceylan Cömert and
  • Mehmet Odabaşı

Beilstein J. Nanotechnol. 2024, 15, 1189–1196, doi:10.3762/bjnano.15.96

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  • corresponds to a concentration of free DOX in the solution of 2 µmol/L (5 µM/L of DOX × 0.4) as it is known that the basic drugs doxorubicin and mitoxantrone are concentrated in acidic endosomes of cells with pH approximately 5.5 [38]. Incubation for 96 h led to a decrease of viability of HeLa cells at 5 µmol
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Published 26 Sep 2024

Quantum-to-classical modeling of monolayer Ge2Se2 and its application in photovoltaic devices

  • Anup Shrivastava,
  • Shivani Saini,
  • Dolly Kumari,
  • Sanjai Singh and
  • Jost Adam

Beilstein J. Nanotechnol. 2024, 15, 1153–1169, doi:10.3762/bjnano.15.94

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  • in the last few decades has led to many successful breakthroughs in terms of the stability, efficiency, and cost of PV technology. In the past few decades, perovskite solar cells (PSCs) have emerged as a groundbreaking technology in the field of renewable energy because of their remarkable efficiency
  • constants, refractive index, and extinction coefficient. The optimum bandgap (1.2 eV), high carrier mobility, and promising optical characteristics of monolayer Ge2Se2 further led us to investigate the application of the investigated structure. To show the application of monolayer Ge2Se2, a perovskite solar
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Published 11 Sep 2024

Photocatalytic methane oxidation over a TiO2/SiNWs p–n junction catalyst at room temperature

  • Qui Thanh Hoai Ta,
  • Luan Minh Nguyen,
  • Ngoc Hoi Nguyen,
  • Phan Khanh Thinh Nguyen and
  • Dai Hai Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1132–1141, doi:10.3762/bjnano.15.92

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  • ) [43][44]. As expected, the crystal orientation of the TiO2/SiNWs catalyst obviously led to the creation of a robust p–n junction photocatalyst. The SEM analysis further confirms the morphological evolution during etching and TiO2 ALD. As revealed in Supporting Information File 1, Figure S1, the
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Published 02 Sep 2024

Direct electron beam writing of silver using a β-diketonate precursor: first insights

  • Katja Höflich,
  • Krzysztof Maćkosz,
  • Chinmai S. Jureddy,
  • Aleksei Tsarapkin and
  • Ivo Utke

Beilstein J. Nanotechnol. 2024, 15, 1117–1124, doi:10.3762/bjnano.15.90

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  • compounds exist that feature sufficient vapor pressure and stability to be delivered into and used in a vacuum chamber. To date, only the class of carboxylates led to successful implementation, including both fluorinated and non-flourinated ligands [27]. The surprisingly high content of elemental silver
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Published 26 Aug 2024

Effect of wavelength and liquid on formation of Ag, Au, Ag/Au nanoparticles via picosecond laser ablation and SERS-based detection of DMMP

  • Sree Satya Bharati Moram,
  • Chandu Byram and
  • Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1054–1069, doi:10.3762/bjnano.15.86

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  • ablation. This phenomenon led to lower NP production at 355 nm compared to that at 532 and 1064 nm laser wavelengths, this was also reflected in the absorption spectra. Consequently, there is a tendency for NP agglomeration and chain formation, which is evident from the TEM pictures depicted in Figure 3
  • days, the presence of NaCl led to an increase in the SERS signal; however, over a longer duration, the NPs in DW showed better SERS intensity than those in aqueous NaCl solution. Jiang et al. [62] investigated the SERS performance of Ag NPs in detecting CV molecules. They found that bare Ag NPs
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Published 19 Aug 2024

Recent progress on field-effect transistor-based biosensors: device perspective

  • Billel Smaani,
  • Fares Nafa,
  • Mohamed Salah Benlatrech,
  • Ismahan Mahdi,
  • Hamza Akroum,
  • Mohamed walid Azizi,
  • Khaled Harrar and
  • Sayan Kanungo

Beilstein J. Nanotechnol. 2024, 15, 977–994, doi:10.3762/bjnano.15.80

Graphical Abstract
  • biosensors for accurate detection of viruses [25], cancer [15], proteins [36], DNA, glucose [17], and nucleic acids has been strongly developed [37]. On the other hand, specific biomolecule classifications by microbiologists has led to the realization and development of different biosensors, significantly
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Published 06 Aug 2024

Identification of structural features of surface modifiers in engineered nanostructured metal oxides regarding cell uptake through ML-based classification

  • Indrasis Dasgupta,
  • Totan Das,
  • Biplab Das and
  • Shovanlal Gayen

Beilstein J. Nanotechnol. 2024, 15, 909–924, doi:10.3762/bjnano.15.75

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  • advancement of nanotechnology has led to the widespread utilization of engineered nanostructured metal oxides (ENMOs) in various industrial and biomedical applications [1]. Nanoparticles (NPs) are described by the International Organization for Standardization as structures characterized by one, two, or three
  • nanoparticles consist of metal elements bonded with oxygen in intricate structures [3][4]. They exhibit exceptional physicochemical properties, which have led to their widespread utilization across various industries [5][6]. These nanomaterials are employed in, for example, electronics, cosmetics, and medicine
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Published 22 Jul 2024
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