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Search for "water purification" in Full Text gives 55 result(s) in Beilstein Journal of Nanotechnology.

Pulsed laser in liquid grafting of gold nanoparticle–carbon support composites

  • Madeleine K. Wilsey,
  • Teona Taseska,
  • Qishen Lyu,
  • Connor P. Cox and
  • Astrid M. Müller

Beilstein J. Nanotechnol. 2025, 16, 349–361, doi:10.3762/bjnano.16.26

Graphical Abstract
  • resistivity of ≥17.5 MΩ·cm was obtained from a Thermo Scientific Barnstead Smart2Pure Pro UV/UF 15 LPH Water Purification System. The experiments were performed at room temperature and in ambient air. Glassware was cleaned with aqua regia, thoroughly rinsed with water, and dried before use. Data analysis and
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Published 07 Mar 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

Graphical Abstract
  • materials, are designed to enhance the functionality and properties of the fibers, thereby broadening their applications in areas such as antibacterial treatments, water purification, and biomedical engineering [75][76][77]. Fabrication of multicomponent polymer nanofibers like chitosan/PVA can be carried
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Published 26 Feb 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
  • of heterostructures, it can enhance the photocatalytic efficiency for various applications, including water purification. GO-based photocatalysts can facilitate this process by generating electron–hole pairs upon absorption of photons. Recently, Kumar et al. [64] fabricated a K,P-co-doped g-C3N4
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Published 25 Feb 2025

Mn-doped ZnO nanopowders prepared by sol–gel and microwave-assisted sol–gel methods and their photocatalytic properties

  • Cristina Maria Vlăduț,
  • Crina Anastasescu,
  • Silviu Preda,
  • Oana Catalina Mocioiu,
  • Simona Petrescu,
  • Jeanina Pandele-Cusu,
  • Dana Culita,
  • Veronica Bratan,
  • Ioan Balint and
  • Maria Zaharescu

Beilstein J. Nanotechnol. 2024, 15, 1283–1296, doi:10.3762/bjnano.15.104

Graphical Abstract
  • photocatalyst for organic pollutant degradation but also underscore the importance of optimizing synthesis methods to enhance efficiency and reduce energy consumption. These advancements are crucial for addressing pressing environmental challenges and pave the way for more sustainable approaches to water
  • purification and pollutant remediation. Experimental Synthesis The starting materials (all reagent grade) for obtaining precursor solutions are zinc acetate dehydrate (Zn(CH3COO)2·2H2O), anhydrous manganese acetate (Mn(CH3COO)2), absolute ethanol (C2H5OH), and triethanolamine (C6H15NO3, TEA). The precursor
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Published 28 Oct 2024

Dual-functionalized architecture enables stable and tumor cell-specific SiO2NPs in complex biological fluids

  • Iris Renata Sousa Ribeiro,
  • Raquel Frenedoso da Silva,
  • Romênia Ramos Domingues,
  • Adriana Franco Paes Leme and
  • Mateus Borba Cardoso

Beilstein J. Nanotechnol. 2024, 15, 1238–1252, doi:10.3762/bjnano.15.100

Graphical Abstract
  • -aminopropyl)triethoxysilane (99%) were purchased from Fisher Scientific. Ethanol (absolute) was purchased from Merck. All reagents and chemicals were used as received without further purification. Water used in the described procedures was obtained from a water purification system (Purelab from ELGA
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Published 07 Oct 2024

Unveiling the potential of alginate-based nanomaterials in sensing technology and smart delivery applications

  • Shakhzodjon Uzokboev,
  • Khojimukhammad Akhmadbekov,
  • Ra’no Nuritdinova,
  • Salah M. Tawfik and
  • Yong-Ill Lee

Beilstein J. Nanotechnol. 2024, 15, 1077–1104, doi:10.3762/bjnano.15.88

Graphical Abstract
  • . Among the eleven common metal cations tested, Hg2+ cations entirely extinguished the fluorescence, whereas Cu2+ cations caused a noticeable drop in fluorescence intensity (Figure 4). Another research studied alginate-based materials for water purification. Because cellulose/alginate’s molecular chain
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Published 22 Aug 2024

Electrospun polysuccinimide scaffolds containing different salts as potential wound dressing material

  • Veronika Pálos,
  • Krisztina S. Nagy,
  • Rita Pázmány,
  • Krisztina Juriga-Tóth,
  • Bálint Budavári,
  • Judit Domokos,
  • Dóra Szabó,
  • Ákos Zsembery and
  • Angela Jedlovszky-Hajdu

Beilstein J. Nanotechnol. 2024, 15, 781–796, doi:10.3762/bjnano.15.65

Graphical Abstract
  • , USA); trypsin/EDTA solution (Sigma-Aldrich, USA); cell proliferation reagent WST-1 (Roche, Switzerland); and ultra-purified water (Zineer Power I Water Purification System). All reagents were used without any further purification. Polysuccinimide synthesis The PSI was produced by thermal
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Published 02 Jul 2024

Green synthesis of biomass-derived carbon quantum dots for photocatalytic degradation of methylene blue

  • Dalia Chávez-García,
  • Mario Guzman,
  • Viridiana Sanchez and
  • Rubén D. Cadena-Nava

Beilstein J. Nanotechnol. 2024, 15, 755–766, doi:10.3762/bjnano.15.63

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  • industrial wastewater. Photocatalysis is an environmentally friendly water purification method that uses light-activated catalysts to destroy contaminants, offering an advantage over traditional methods that merely transfer contaminants between phases [17][18][19]. While some studies on CQDs involve costly
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Published 25 Jun 2024

Graphene removal by water-assisted focused electron-beam-induced etching – unveiling the dose and dwell time impact on the etch profile and topographical changes in SiO2 substrates

  • Aleksandra Szkudlarek,
  • Jan M. Michalik,
  • Inés Serrano-Esparza,
  • Zdeněk Nováček,
  • Veronika Novotná,
  • Piotr Ozga,
  • Czesław Kapusta and
  • José María De Teresa

Beilstein J. Nanotechnol. 2024, 15, 190–198, doi:10.3762/bjnano.15.18

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  • using electron beams and gas precursors was not widely recognized at the time when earlier studies regarding morphological changes in silica upon the electron irradiation were performed [24]. Therefore, neither of the electron-beam-induced changes into the SiO2 surface during the water purification of
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Published 07 Feb 2024

Silver-based SERS substrates fabricated using a 3D printed microfluidic device

  • Phommachith Sonexai,
  • Minh Van Nguyen,
  • Bui The Huy and
  • Yong-Ill Lee

Beilstein J. Nanotechnol. 2023, 14, 793–803, doi:10.3762/bjnano.14.65

Graphical Abstract
  • (USA). Deionized water with a resistivity of 18 MΩ·cm−1, provided by a Milli-Q water purification system (Millipore Corp., MA, USA), was used throughout all the experiments. The morphologies of Ag NPs and SERS substrates were examined using a field-emission scanning electron microscope (FE-SEM, Mira II
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Published 21 Jul 2023

Quercetin- and caffeic acid-functionalized chitosan-capped colloidal silver nanoparticles: one-pot synthesis, characterization, and anticancer and antibacterial activities

  • Akif Hakan Kurt,
  • Elif Berna Olutas,
  • Fatma Avcioglu,
  • Hamza Karakuş,
  • Mehmet Ali Sungur,
  • Cansu Kara Oztabag and
  • Muhammet Yıldırım

Beilstein J. Nanotechnol. 2023, 14, 362–376, doi:10.3762/bjnano.14.31

Graphical Abstract
  • purified through a Milli-Q water purification system. Figure 1 shows the chemical structures of chitosan, quercetin, and caffeic acid. Synthesis of silver nanoparticles The chitosan-capped colloidal silver nanoparticles (Ch-Ag NPs) were synthesized by reducing AgNO3 with NaBH4 in the presence of chitosan
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Published 20 Mar 2023

Recent trends in Bi-based nanomaterials: challenges, fabrication, enhancement techniques, and environmental applications

  • Vishal Dutta,
  • Ankush Chauhan,
  • Ritesh Verma,
  • C. Gopalkrishnan and
  • Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 1316–1336, doi:10.3762/bjnano.13.109

Graphical Abstract
  • . This gap is essential for improving the material’s light-harvesting capabilities [78][79]. Consequently, in an attempt to improve the photocatalytic efficiency for water purification and other environmental applications, a variety of techniques, such as defect formation, metal/non-metal doping
  • analogies, and future challenges of photocatalysts derived from bismuth-based nanomaterials are also discussed. There are many review reports on synthesis and enhancement techniques of Bi-based photocatalysts and the application of these photocatalysts in hydrogen generation, CO2 reduction, and water
  • purification [31][32][33][34][35]. However, the present report focuses on understanding the role of different Bi-based photocatalysts concerning their synthesis method and enhancement. The mechanism of photocatalysts for different applications has been described for the type or nature of the photocatalyst
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Published 11 Nov 2022

Application of nanoarchitectonics in moist-electric generation

  • Jia-Cheng Feng and
  • Hong Xia

Beilstein J. Nanotechnol. 2022, 13, 1185–1200, doi:10.3762/bjnano.13.99

Graphical Abstract
  • materials have been developed rapidly in many fields, including optoelectronic devices, actuators, sensors, and water purification films [18][27][29][31][68][69][70][71][72][73][74]. The electrical output of MEG devices with different nanomaterials is listed below in Table 1. A wide range of materials is
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Published 25 Oct 2022

Recent advances in green carbon dots (2015–2022): synthesis, metal ion sensing, and biological applications

  • Aisha Kanwal,
  • Naheed Bibi,
  • Sajjad Hyder,
  • Arif Muhammad,
  • Hao Ren,
  • Jiangtao Liu and
  • Zhongli Lei

Beilstein J. Nanotechnol. 2022, 13, 1068–1107, doi:10.3762/bjnano.13.93

Graphical Abstract
  • solvent casting process after the ACMCDs were supported by silver nanoparticles, employing them as both a reducing agent and a template. The nanocomposite antibacterial film is anticipated to have a lot of potential applications such as food packaging, water purification, and disinfecting sanitary
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Published 05 Oct 2022

Design and characterization of polymeric microneedles containing extracts of Brazilian green propolis

  • Camila Felix Vecchi,
  • Rafaela Said dos Santos,
  • Jéssica Bassi da Silva and
  • Marcos Luciano Bruschi

Beilstein J. Nanotechnol. 2022, 13, 503–516, doi:10.3762/bjnano.13.42

Graphical Abstract
  • , MI, USA). Purified water was obtained from a water purification system (Evoqua Water Technologies, Pittsburgh, PA, USA). Absolute ethanol was purchased from Anidrol (Sao Paulo, SP, Brazil). Preparation and characterization of PRP extracts Brazilian green propolis (PRP) was obtained from an apiary of
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Published 08 Jun 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
  • discussed. Finally, an outlook on the future research pathways to fill the gaps existing in water remediation have been suggested. Keywords: electrospinning; environmental remediation; membrane technologies; nanohybrids; water purification; Review 1 Introduction Nanotechnology is a technique that exploits
  • years for water purification and treatment. The basics of electrospinning, the limiting factors affecting electrospinning and the advantages of the ENH membranes in water treatment/purification over conventional membranes are highlighted. The application of ENHs in removing major pollutants and their
  • purification and treatment. The electrospun membranes have shown potential to overcome the bottlenecks of conventional membranes used in water purification, fabricated by techniques such as phase inversion, sintering, stretching, and track-etching. For instance, sintering and stretching, which are commonly
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Published 31 Jan 2022

Recent progress in magnetic applications for micro- and nanorobots

  • Ke Xu,
  • Shuang Xu and
  • Fanan Wei

Beilstein J. Nanotechnol. 2021, 12, 744–755, doi:10.3762/bjnano.12.58

Graphical Abstract
  • ). Nayak [39] used metal-organic frameworks (MOFs) to adsorb heavy metals in water for water purification. MOFs have a very high specific surface area and modular structure, showing great advantages in the sustainable supply of clean drinking water. Later, Yu et al. [40] reported a method to disassemble
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Published 19 Jul 2021

ZnO and MXenes as electrode materials for supercapacitor devices

  • Ameen Uddin Ammar,
  • Ipek Deniz Yildirim,
  • Feray Bakan and
  • Emre Erdem

Beilstein J. Nanotechnol. 2021, 12, 49–57, doi:10.3762/bjnano.12.4

Graphical Abstract
  • used, for example, in water purification, as electrochemical actuators, as transparent conductive electrodes, and as biosensors [21][22][28]. To enhance the performance of MXene supercapacitors, a variety of materials, such as graphene and carbon nanotubes (CNTs), tin(IV) oxide (SnO2), and iron(III
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Published 13 Jan 2021

Wet-spinning of magneto-responsive helical chitosan microfibers

  • Dorothea Brüggemann,
  • Johanna Michel,
  • Naiana Suter,
  • Matheus Grande de Aguiar and
  • Michael Maas

Beilstein J. Nanotechnol. 2020, 11, 991–999, doi:10.3762/bjnano.11.83

Graphical Abstract
  • g·mol−1 (Sigma) was added to the IOPs at a final concentration of 30 mg·mL−1. All solutions were prepared with deionized water from a TKA water purification system (Thermo Fisher Scientific, Schwerte, Germany). Rheological characterization of the aforementioned solutions was carried out on a Kinexus Pro
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Published 07 Jul 2020

Preparation, characterization and photocatalytic performance of heterostructured CuO–ZnO-loaded composite nanofiber membranes

  • Wei Fang,
  • Liang Yu and
  • Lan Xu

Beilstein J. Nanotechnol. 2020, 11, 631–650, doi:10.3762/bjnano.11.50

Graphical Abstract
  • protection. Water pollution with organic dyes (such as congo red, methylene blue, and methyl orange) is becoming a major environmental problem. Therefore, water purification technologies, such as photocatalytic purification, electrochemical oxidation, membrane filtration, ozonation, and chlorination
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Published 15 Apr 2020

Adsorptive removal of bulky dye molecules from water with mesoporous polyaniline-derived carbon

  • Hyung Jun An,
  • Jong Min Park,
  • Nazmul Abedin Khan and
  • Sung Hwa Jhung

Beilstein J. Nanotechnol. 2020, 11, 597–605, doi:10.3762/bjnano.11.47

Graphical Abstract
  • ; polyaniline-derived carbon; water purification; Introduction Dyes have been widely used in a wide range of industries including textile, leather and paper, causing serious concern worldwide mainly because of the contamination of water resources. For example, around 700,000 tons of textile dyes are produced
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Published 08 Apr 2020

Electrochemically derived functionalized graphene for bulk production of hydrogen peroxide

  • Munaiah Yeddala,
  • Pallavi Thakur,
  • Anugraha A and
  • Tharangattu N. Narayanan

Beilstein J. Nanotechnol. 2020, 11, 432–442, doi:10.3762/bjnano.11.34

Graphical Abstract
  • ; functionalized graphene; H2O2 production; water treatment; Introduction Hydrogen peroxide (H2O2) is identified as one among the most important 100 chemicals in the world, and its applications extend from the pharmaceutical industry to water purification [1][2][3]. Today, a majority of the required H2O2 is
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Published 09 Mar 2020

Synthesis of highly active ETS-10-based titanosilicate for heterogeneously catalyzed transesterification of triglycerides

  • Muhammad A. Zaheer,
  • David Poppitz,
  • Khavar Feyzullayeva,
  • Marianne Wenzel,
  • Jörg Matysik,
  • Radomir Ljupkovic,
  • Aleksandra Zarubica,
  • Alexander A. Karavaev,
  • Andreas Pöppl,
  • Roger Gläser and
  • Muslim Dvoyashkin

Beilstein J. Nanotechnol. 2019, 10, 2039–2061, doi:10.3762/bjnano.10.200

Graphical Abstract
  • %, Fluka, Sigma-Aldrich) were used. In the post-synthetic treatment of ETS-10, hydrogen peroxide (H2O2, 30 wt %, Merck Millipore) and distilled deionized water (DDW, 0.055 μS conductivity, PureLab flex 3 & 4 water purification systems) were used. Chemicals used in the transesterification reaction and gas
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Published 28 Oct 2019

Processing nanoporous organic polymers in liquid amines

  • Jeehye Byun,
  • Damien Thirion and
  • Cafer T. Yavuz

Beilstein J. Nanotechnol. 2019, 10, 1844–1850, doi:10.3762/bjnano.10.179

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  • such as gas adsorption and storage [2], water purification [3], energy storage [4], and catalysis [5], where the large and permanent voids in nanoporous polymers provide room to accommodate target substrates and guest molecules. A series of nanoporous polymers have been reported, namely covalent
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Published 09 Sep 2019

Upcycling of polyurethane waste by mechanochemistry: synthesis of N-doped porous carbon materials for supercapacitor applications

  • Christina Schneidermann,
  • Pascal Otto,
  • Desirée Leistenschneider,
  • Sven Grätz,
  • Claudia Eßbach and
  • Lars Borchardt

Beilstein J. Nanotechnol. 2019, 10, 1618–1627, doi:10.3762/bjnano.10.157

Graphical Abstract
  • these materials could also be extended to other energy storage systems such as Li-ion batteries or waste-water purification, wherever materials with a high surface area and improved wettability are required. Experimental Synthesis of N-doped carbon In a similar manner to [36][64], nitrogen-doped porous
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Published 06 Aug 2019
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