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Search for "removal efficiency" in Full Text gives 21 result(s) in Beilstein Journal of Nanotechnology.

Synthesis of a multicomponent cellulose-based adsorbent for tetracycline removal from aquaculture water

  • Uyen Bao Tran,
  • Ngoc Thanh Vo-Tran,
  • Khai The Truong,
  • Dat Anh Nguyen,
  • Quang Nhat Tran,
  • Huu-Quang Nguyen,
  • Jaebeom Lee and
  • Hai Son Truong-Lam

Beilstein J. Nanotechnol. 2025, 16, 728–739, doi:10.3762/bjnano.16.56

Graphical Abstract
  • , hydrogen bonding, and CH–π interactions, with surface complexation between Ca2+ and TCs being dominant. Batch adsorption experiments conducted to examine the factors influencing adsorption capacity revealed that PGC achieved up to 70% TC removal efficiency at an adsorbent dosage of 40 mg and an initial TC
  • effective adsorbent for the removal of average 70% TC antibiotic residues, particularly oxytetracycline, chlortetracycline, TC, and doxycycline. Keywords: adsorption; aquaculture water; removal efficiency; response surface methodology; tetracycline antibiotic; Introduction The aquaculture industry plays a
  • optimal operating parameters. A response surface plot (Figure 1) was used to visualize variable interactions and determine optimal process parameters. As depicted in Figure 1a, the TC removal efficiency of the adsorbent decreases when both CMC mass (X1) and PVA mass (X2) increase simultaneously. This
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Published 27 May 2025

Electron beam-based direct writing of nanostructures using a palladium β-ketoesterate complex

  • Chinmai Sai Jureddy,
  • Krzysztof Maćkosz,
  • Aleksandra Butrymowicz-Kubiak,
  • Iwona B. Szymańska,
  • Patrik Hoffmann and
  • Ivo Utke

Beilstein J. Nanotechnol. 2025, 16, 530–539, doi:10.3762/bjnano.16.41

Graphical Abstract
  • ligands and only about 5 atom % palladium in the pristine molecule, yet the obtained palladium content in the deposits amounts to around 30 atom %. This translates to an exceptional removal efficiency of about 90% for the ligand-constituting elements carbon and oxygen through electron-induced dissociation
  • substrates were held at room temperature for [Pd(η5-Cp)(η3-allyl)] and [Pd(hfac)2], which may explain the lower carbon removal efficiency due to residual gas contamination or less effective thermal desorption processes. Comparison with [Cu(tbaoac)2] When comparing [Cu(tbaoac)2] and [Pd(tbaoac)2], the highest
  • precursors. The substrate and GIS temperatures (T) are indicated. Note the highest ligand removal efficiency for the β-ketoesterate complex [Pd(tbaoac)2]. The arrows represent the reduction of atoms in the pristine molecule with respect to the number of atoms in the FEBID deposit composition. RT stands for
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Published 15 Apr 2025

Emerging strategies in the sustainable removal of antibiotics using semiconductor-based photocatalysts

  • Yunus Ahmed,
  • Keya Rani Dutta,
  • Parul Akhtar,
  • Md. Arif Hossen,
  • Md. Jahangir Alam,
  • Obaid A. Alharbi,
  • Hamad AlMohamadi and
  • Abdul Wahab Mohammad

Beilstein J. Nanotechnol. 2025, 16, 264–285, doi:10.3762/bjnano.16.21

Graphical Abstract
  • ]. Hunge and coworkers [76] synthesized MoS2/ZnO (MZ) composites with a smaller bandgap (2.81 eV), which showed higher ciprofloxacin (CIP) removal efficiency than their single constituents (ZnO = 43% and MoS2 = 50%). A similar approach was also observed for the removal of erythromycin (ERY), spiramycin (SP
  • -containing biochar (ZnO/NOC), which showed a TC removal efficiency of 97.08%. The photocatalytic activities of ZnO/NOC were 5.4 and 7.7 times higher than that of pure ZnO for TC (30 mg/L) under ultraviolet and visible light, respectively. The excellent performance was ascribed to large surface area, proper
  • @rGO-ZnO photocatalyst exhibited exceptional performance compared to pristine ZnO, resulting in a five-fold increase in CIP and SMX removal efficiency. After three hours of treatment, it removed more than 95% of the antibiotics. The most recent research on the use of ZnO- or Zn-based compounds as
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Published 25 Feb 2025

Functional morphology of cleaning devices in the damselfly Ischnura elegans (Odonata, Coenagrionidae)

  • Silvana Piersanti,
  • Gianandrea Salerno,
  • Wencke Krings,
  • Stanislav Gorb and
  • Manuela Rebora

Beilstein J. Nanotechnol. 2024, 15, 1260–1272, doi:10.3762/bjnano.15.102

Graphical Abstract
  • particle removal efficiency in intact insects and in insects with ablated grooming devices. The grooming devices are constituted of long setae from which a concave cuticular lamina develops towards the medial side of the leg. Each seta shows a material gradient of resilin from its basal to the distal
  • confocal laser scanning microscopy (CLSM). The eye and antennal grooming behavior of the damselfly Ischnura elegans (Vander Linden, 1820) adults (Odonata, Coenagrionidae) was observed and analyzed to evaluate the particle removal efficiency in intact and ablated insects. Material and Methods Insects
  • %), followed by drying in an oven at 40 °C for three days. Foretibiae of intact and ablated insects used to evaluate the particle removal efficiency were carefully dissected under a stereomicroscope and then dried in an oven at 40 °C for three days. They were not fixed to avoid removing the talc powder present
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Published 16 Oct 2024

Non-stoichiometric magnetite as catalyst for the photocatalytic degradation of phenol and 2,6-dibromo-4-methylphenol – a new approach in water treatment

  • Joanna Kisała,
  • Anna Tomaszewska and
  • Przemysław Kolek

Beilstein J. Nanotechnol. 2022, 13, 1531–1540, doi:10.3762/bjnano.13.126

Graphical Abstract
  • ); (d) plot of ln(Ct/C0) vs irradiation time for DBMP. Bromide ion production as a function of the time (circles – M1, crosses – M2, triangles – ozonation, squares – photolysis). Substrate removal efficiency of PhOH/O3 (dark blue), PhOH/M1 (red), PhOH/M2 (orange), PhOH/photolysis (black), DBMP/O3
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Published 15 Dec 2022

Rapid fabrication of MgO@g-C3N4 heterojunctions for photocatalytic nitric oxide removal

  • Minh-Thuan Pham,
  • Duyen P. H. Tran,
  • Xuan-Thanh Bui and
  • Sheng-Jie You

Beilstein J. Nanotechnol. 2022, 13, 1141–1154, doi:10.3762/bjnano.13.96

Graphical Abstract
  • heterojunction photocatalysts were synthesized by one-step pyrolysis of MgO and urea at 550 °C for two hours. The photocatalytic NO removal efficiency of the MgO@g-C3N4 heterojunctions was significantly improved and reached a maximum value of 75.4% under visible light irradiation. Differential reflectance
  • is the reflectance value. Results and Discussion Photocatalytic performance The photocatalytic NO removal efficiency of the materials is shown in Figure 2a. The efficiency gradually increased during the first 5 min of the photocatalytic reaction and remains stable until the end of the photocatalytic
  • reaction. The photocatalytic NO removal efficiency values are 0.6%, 62.8%, 16.8%, 68.4%, 75.4%, and 72.1% for the blank sample, g-C3N4, MgO, 1% MgO@g-C3N4, 3% MgO@g-C3N4, and 5% MgO@g-C3N4, respectively. The photocatalytic NO removal efficiency is increased by combining MgO with g-C3N4. The results
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Published 18 Oct 2022

A comprehensive review on electrospun nanohybrid membranes for wastewater treatment

  • Senuri Kumarage,
  • Imalka Munaweera and
  • Nilwala Kottegoda

Beilstein J. Nanotechnol. 2022, 13, 137–159, doi:10.3762/bjnano.13.10

Graphical Abstract
  • nanohybrid membrane by incorporating montmorillonite (Mt) into CS and PVA mixed nanofibers to be used as affinity membranes for dye removal with ultrafast permeating adsorption. With 2 wt % of Mt, a high water flux of 1765 LMH under 0.4 bar operating pressure and a dye removal efficiency of 95% of BB 41 was
  • hydrophobic PVDF membrane to a hydrophilic membrane with a water contact angle of 22.72°. The nanohybrid membrane showed a dye removal efficiency of 88.9% and an adsorption capacity of 72.6 mg/g for IC [78]. Huong et al. developed a waste protein-immobilized cationic dye removal membrane from PAN. In this
  • 50% glycerol. 97% of the dye removal efficiency of the membrane was maintained even after five consecutive adsorption/desorption cycles [79]. Hou et al. added the photoactivity of TiO2 into a hybrid membrane of PVA, PAA, and carboxyl-functionalized GO to degrade organic dyes by photocatalytic
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Published 31 Jan 2022

Nanocasting synthesis of BiFeO3 nanoparticles with enhanced visible-light photocatalytic activity

  • Thomas Cadenbach,
  • Maria J. Benitez,
  • A. Lucia Morales,
  • Cesar Costa Vera,
  • Luis Lascano,
  • Francisco Quiroz,
  • Alexis Debut and
  • Karla Vizuete

Beilstein J. Nanotechnol. 2020, 11, 1822–1833, doi:10.3762/bjnano.11.164

Graphical Abstract
  • removal efficiency of 32%. It should be noted that all dye can be desorbed still undegraded from SBA-15 by a 2-methoxyethanol/H2O mixture [57][58]. In order to study the effects of the catalyst concentration on the degradation reactions, a series of catalytic experiments were performed in which the
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Published 07 Dec 2020

Transient coating of γ-Fe2O3 nanoparticles with glutamate for its delivery to and removal from brain nerve terminals

  • Konstantin Paliienko,
  • Artem Pastukhov,
  • Michal Babič,
  • Daniel Horák,
  • Olga Vasylchenko and
  • Tatiana Borisova

Beilstein J. Nanotechnol. 2020, 11, 1381–1393, doi:10.3762/bjnano.11.122

Graphical Abstract
  • nanoparticles can be used (but with lower effectiveness) for glutamate adsorption in the organism followed by its consequent removal using magnetic fields. Glutamate adsorption at the nanoparticle surface and its removal efficiency in blood plasma is only 15% of that in water. It is well-established that high
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Published 10 Sep 2020

Effect of Ag loading position on the photocatalytic performance of TiO2 nanocolumn arrays

  • Jinghan Xu,
  • Yanqi Liu and
  • Yan Zhao

Beilstein J. Nanotechnol. 2020, 11, 717–728, doi:10.3762/bjnano.11.59

Graphical Abstract
  • deposition (ALD) and vacuum evaporation. The effects of the Ag loading position and deposition thickness, and the morphology, structure and composition of Ag-deposited TNC arrays on its optical and photocatalytic properties were studied. The Ag-filled TiO2 (AFT) nanocolumn arrays exhibited higher removal
  • efficiency of methylene blue (MB) compared with Ag-coated TiO2 (ACT) nanocolumn arrays and pure TiO2 nanocolumns arrays. Both experimental and theoretical simulation results demonstrated that the enhanced photocatalytic performance of AFT nanocolumn arrays was attributed to the surface plasmon resonance (SPR
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Published 05 May 2020

Removal of toxic heavy metals from river water samples using a porous silica surface modified with a new β-ketoenolic host

  • Said Tighadouini,
  • Smaail Radi,
  • Abderrahman Elidrissi,
  • Khadija Haboubi,
  • Maryse Bacquet,
  • Stéphanie Degoutin,
  • Mustapha Zaghrioui and
  • Yann Garcia

Beilstein J. Nanotechnol. 2019, 10, 262–273, doi:10.3762/bjnano.10.25

Graphical Abstract
  • indeed explained by the different binding affinity towards the adsorbent [57][58]. Effect of contact time and adsorption kinetics. The effect of contact time on the removal efficiency of Zn(II), Pb(II), Cd(II) and Cu(II) using SiNL was investigated (Figure 6). The adsorbed amount of metal increases
  • SiNL for the sorption of heavy metal was studied by using the batch method by a mixture of 10 mg of adsorbent with 10 mL of river water and 0.5 mL of 1% HNO3 at room temperature for 60 min. The removal efficiency was investigated under optimal conditions. As shown in Table 5, Zn(II) and Cd(II) were
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Published 23 Jan 2019

Nanocellulose: Recent advances and its prospects in environmental remediation

  • Katrina Pui Yee Shak,
  • Yean Ling Pang and
  • Shee Keat Mah

Beilstein J. Nanotechnol. 2018, 9, 2479–2498, doi:10.3762/bjnano.9.232

Graphical Abstract
  • quantum size effects [106]. The improvement in adsorption removal efficiency of nanocellulose could be due to the increased surface area, crystalline nature, and number of available functional moieties. Taleb et al. [98] reported that the introduction of amino-terminal functionalities on MFC and
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Published 19 Sep 2018

Hierarchical heterostructures of Bi2MoO6 microflowers decorated with Ag2CO3 nanoparticles for efficient visible-light-driven photocatalytic removal of toxic pollutants

  • Shijie Li,
  • Wei Jiang,
  • Shiwei Hu,
  • Yu Liu,
  • Yanping Liu,
  • Kaibing Xu and
  • Jianshe Liu

Beilstein J. Nanotechnol. 2018, 9, 2297–2305, doi:10.3762/bjnano.9.214

Graphical Abstract
  • ) was measured during the RhB degradation, and the result is presented in Figure S4 (Supporting Information File 1). Apparently, the TOC removal efficiency gradually goes up with the increase of reaction time and the final TOC removal efficiency is as high as 80.6% after 5 h of reaction. Hence, ACO/BMO
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Published 27 Aug 2018

Synthesis of a MnO2/Fe3O4/diatomite nanocomposite as an efficient heterogeneous Fenton-like catalyst for methylene blue degradation

  • Zishun Li,
  • Xuekun Tang,
  • Kun Liu,
  • Jing Huang,
  • Yueyang Xu,
  • Qian Peng and
  • Minlin Ao

Beilstein J. Nanotechnol. 2018, 9, 1940–1950, doi:10.3762/bjnano.9.185

Graphical Abstract
  • considered as the most promising method because of the high removal efficiency and wide application scopes [6][7]. Iron-based homogeneous and heterogeneous Fenton or Fenton-like catalysts with the activation of H2O2 can effectively generate hydroxyl radicals (•OH, the main reactive species for the
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Published 06 Jul 2018

Uniform cobalt nanoparticles embedded in hexagonal mesoporous nanoplates as a magnetically separable, recyclable adsorbent

  • Can Zhao,
  • Yuexiao Song,
  • Tianyu Xiang,
  • Wenxiu Qu,
  • Shuo Lou,
  • Xiaohong Yin and
  • Feng Xin

Beilstein J. Nanotechnol. 2018, 9, 1770–1781, doi:10.3762/bjnano.9.168

Graphical Abstract
  • . The volume of ethanol is 10 mL for 10 mg adsorbent each time. After the desorption process, the NPL samples are used for the removal of RhB from aqueous solutions for five cycles (Figure 9). It was found that the NPLs-2.5-800 adsorbent possesses the best adsorption capacity, where removal efficiency
  • for RhB reaches 99.8% at first and decreases to 92.8% after five cycles. All samples have a small decrease of adsorption capacity after five cycles. The small loss of removal efficiency is likely due to the slightly reduced specific surface area and pore volume as shown in Figure S8 (Supporting
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Published 13 Jun 2018

Cr(VI) remediation from aqueous environment through modified-TiO2-mediated photocatalytic reduction

  • Rashmi Acharya,
  • Brundabana Naik and
  • Kulamani Parida

Beilstein J. Nanotechnol. 2018, 9, 1448–1470, doi:10.3762/bjnano.9.137

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Published 16 May 2018

Ag2WO4 nanorods decorated with AgI nanoparticles: Novel and efficient visible-light-driven photocatalysts for the degradation of water pollutants

  • Shijie Li,
  • Shiwei Hu,
  • Wei Jiang,
  • Yanping Liu,
  • Yu Liu,
  • Yingtang Zhou,
  • Liuye Mo and
  • Jianshe Liu

Beilstein J. Nanotechnol. 2018, 9, 1308–1316, doi:10.3762/bjnano.9.123

Graphical Abstract
  • still achieves the highest apparent rate constant (0.0292 min−1 for MO degradation and 0.0129 min−1 for 4-CP degradation) among all these samples. The mineralization of organic pollutants is crucial for pollutant treatment [46]. Thus, the total organic carbon (TOC) removal efficiency of RhB over 0.3AgI
  • /Ag2WO4 was examined (Figure 7). After 360 min of reaction, the TOC removal efficiency reached 67.2%, signifying that 0.3AgI/Ag2WO4 can effectively mineralize RhB. The operational lifetime of the photocatalysts is crucial for practical application [47]. To reveal the durability of 0.3AgI/Ag2WO4, the
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Published 27 Apr 2018

Photocatalytic and adsorption properties of TiO2-pillared montmorillonite obtained by hydrothermally activated intercalation of titanium polyhydroxo complexes

  • Mikhail F. Butman,
  • Nikolay L. Ovchinnikov,
  • Nikita S. Karasev,
  • Nataliya E. Kochkina,
  • Alexander V. Agafonov and
  • Alexandr V. Vinogradov

Beilstein J. Nanotechnol. 2018, 9, 364–378, doi:10.3762/bjnano.9.36

Graphical Abstract
  • equilibrium. The photocatalytic effect and adsorption for the two types of dyes are substantially different. For example, a total MO removal efficiency of 64% by the TiO2-PMM500 sample breaks down into 14% adsorption and 86% photocatalytic decomposition, whereas in the case of removing RhB a total efficiency
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Published 31 Jan 2018

Sugarcane juice derived carbon dot–graphitic carbon nitride composites for bisphenol A degradation under sunlight irradiation

  • Lan Ching Sim,
  • Jing Lin Wong,
  • Chen Hong Hak,
  • Jun Yan Tai,
  • Kah Hon Leong and
  • Pichiah Saravanan

Beilstein J. Nanotechnol. 2018, 9, 353–363, doi:10.3762/bjnano.9.35

Graphical Abstract
  • increased with the increasing concentration of CDs, which correlated well with UV–vis DRS results. The higher coverage of CDs exerted a stronger photosensitizing effect in CD/g-C3N4(0.5) to overcome its inefficient charge carrier separation, improving the BPA removal efficiency by 3.87-fold as compared to g
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Published 30 Jan 2018

Facile synthesis of silver/silver thiocyanate (Ag@AgSCN) plasmonic nanostructures with enhanced photocatalytic performance

  • Xinfu Zhao,
  • Dairong Chen,
  • Abdul Qayum,
  • Bo Chen and
  • Xiuling Jiao

Beilstein J. Nanotechnol. 2017, 8, 2781–2789, doi:10.3762/bjnano.8.277

Graphical Abstract
  • intensively investigated in recent years, and various methods such as adsorption, biodegradation, photocatalytic degradation and chemical oxidation have been developed [1][2][3][4]. Among them, photocatalytic degradation is considered as one of the most effective strategies due to its high removal efficiency
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Published 22 Dec 2017

Fabrication of carbon nanospheres by the pyrolysis of polyacrylonitrile–poly(methyl methacrylate) core–shell composite nanoparticles

  • Dafu Wei,
  • Youwei Zhang and
  • Jinping Fu

Beilstein J. Nanotechnol. 2017, 8, 1897–1908, doi:10.3762/bjnano.8.190

Graphical Abstract
  • wavelength of 664 nm (Supporting Information File 1, Figure S1, Figure S2, Table S1). The adsorption capacity and removal efficiency of MB for carbon nanospheres were obtained via the following equations. where Qe (mg/g) is the adsorption capacity, c0 (mg/L) and ce (mg/L) are the initial and equilibrium
  • as a model for organic pollutants) from water. The absorption of MB on CP6 was very fast; the adsorption capacity and the removal efficiency of MB after 2 h of adsorption reached 190.0 mg/g and 96.1%, respectively. The MB adsorption capacity of CP6 is higher than most of those reported carbon
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Published 11 Sep 2017
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