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Search for "waste" in Full Text gives 92 result(s) in Beilstein Journal of Nanotechnology.

Curcumin-loaded albumin submicron particles with potential as a cancer therapy: an in vitro study

  • Nittiya Suwannasom,
  • Netsai Sriaksorn,
  • Chutamas Thepmalee,
  • Krissana Khoothiam,
  • Ausanai Prapan,
  • Hans Bäumler and
  • Chonthida Thephinlap

Beilstein J. Nanotechnol. 2023, 14, 1127–1140, doi:10.3762/bjnano.14.93

Graphical Abstract
  • particles are easily synthesized via cost-effective co-precipitation methods. These techniques are simple, low-cost, and easily scalable, enabling precise control over particle characteristics, including size and morphology, and use inexpensive materials without generating toxic waste. Having established an
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Published 21 Nov 2023

Nanomaterials for photocatalysis and applications in environmental remediation and renewable energy

  • Viet Van Pham and
  • Wee-Jun Ong

Beilstein J. Nanotechnol. 2023, 14, 722–724, doi:10.3762/bjnano.14.58

Graphical Abstract
  • ]. Semiconducting photocatalyst nanomaterials, such as SnO2, TiO2, MoS2, g-C3N4, and Bi-nanostructures have been proven efficient for a range of applications, including organic pollutant removal, NOx degradation, renewable energy production, and waste-to-energy conversion [15][17][18]. Figure 1 shows a general
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Editorial
Published 13 Jun 2023

Mixed oxides with corundum-type structure obtained from recycling can seals as paint pigments: color stability

  • Dienifer F. L. Horsth,
  • Julia de O. Primo,
  • Nayara Balaba,
  • Fauze J. Anaissi and
  • Carla Bittencourt

Beilstein J. Nanotechnol. 2023, 14, 467–477, doi:10.3762/bjnano.14.37

Graphical Abstract
  • reducing, repairing, recycling, remanufacturing, and redirecting the life cycle of materials [6], aiming at a regenerative economy without waste [5]. Therefore, this study’s purpose is to prepare synthetic inorganic pigments starting from a synthetic route that includes aluminium recycling from can seals
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Published 05 Apr 2023

New trends in nanobiotechnology

  • Pau-Loke Show,
  • Kit Wayne Chew,
  • Wee-Jun Ong,
  • Sunita Varjani and
  • Joon Ching Juan

Beilstein J. Nanotechnol. 2023, 14, 377–379, doi:10.3762/bjnano.14.32

Graphical Abstract
  • infection caused by SARS-CoV-2. Another important topic covered in this thematic issue is presented in this article: “In search of cytotoxic selectivity on cancer cells with biogenically synthesized Ag/AgCl nanoparticles” [7]. This work explores the use of pineapple waste for the synthesis of silver and
  • silver chloride nanoparticles, along with the analysis of the selective cytotoxicity of these nanoparticles on healthy and cancerous cells. The work aims to contribute to the production of alternative nanomaterials obtained from waste for therapeutic applications with emphasis on disease mitigation
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Editorial
Published 27 Mar 2023

Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes

  • Akeem Adeyemi Oladipo and
  • Faisal Suleiman Mustafa

Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26

Graphical Abstract
  • wastewater treatment techniques, the textile industry is causing concern. The direct release of textile waste into bodies of water without proper treatment to an acceptable level has a negative impact on its aesthetic quality. The presence of organic dyes in bodies of water, even in minute amounts, raises
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Published 03 Mar 2023

Recent progress in cancer cell membrane-based nanoparticles for biomedical applications

  • Qixiong Lin,
  • Yueyou Peng,
  • Yanyan Wen,
  • Xiaoqiong Li,
  • Donglian Du,
  • Weibin Dai,
  • Wei Tian and
  • Yanfeng Meng

Beilstein J. Nanotechnol. 2023, 14, 262–279, doi:10.3762/bjnano.14.24

Graphical Abstract
  • clinically relevant diagnoses. However, the nature of foreign substances and the inability to efficiently concentrate drugs on specific tissues are unavoidable problems during treatment that lead to unnecessary waste of pharmaceuticals, strong toxic side effects in the body, and failure to achieve the
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Published 27 Feb 2023

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
  • , BFRs), wood preservatives, and components in the polymer industry [4][5]. Bromophenols from various industries can cause severe contamination of soil, sediment, and water [6][7]. The United States Environmental Protection Agency (US EPA) has listed BPs as hazardous waste with strict environmental
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Published 15 Dec 2022

In search of cytotoxic selectivity on cancer cells with biogenically synthesized Ag/AgCl nanoparticles

  • Mitzi J. Ramírez-Hernández,
  • Mario Valera-Zaragoza,
  • Omar Viñas-Bravo,
  • Ariana A. Huerta-Heredia,
  • Miguel A. Peña-Rico,
  • Erick A. Juarez-Arellano,
  • David Paniagua-Vega,
  • Eduardo Ramírez-Vargas and
  • Saúl Sánchez-Valdes

Beilstein J. Nanotechnol. 2022, 13, 1505–1519, doi:10.3762/bjnano.13.124

Graphical Abstract
  • of this work is based on three major points. Firstly, by taking advantage of using pineapple waste, green synthesis methods were applied to obtain silver nanoparticles. In this way, an alternative use of agricultural residues was created, providing added value to fruit products. The second point is
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Published 13 Dec 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
  • , a variety of green carbon precursors have been utilized for generating CDs, including fruits, their juices and peels [15][16][17], animal and animal-derived materials, such as milk and hair [18][19][20], and vegetables [21], flowers [22], and leaves [23]. The use of green, sustainable or waste
  • materials for the production of CDs is congruous with the objectives of a sustainable development strategy. Owing to the recycling and re-use of organic waste products, environmental friendliness, and low-cost, green synthesis of CDs is preferred over other conventional methods. There are, in general, two
  • synthesis of carbon dots Green synthesis of CDs mainly utilizes biomass. Biomass synthesis makes use of natural raw materials (organisms, waste material, protein products, or natural polymers), instead of reaction precursors usually used in the traditional methods, and also requires external energy supply
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Published 05 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
  • heavy metals, cations, oils, dyes, and other organic and inorganic chemicals. In recent years, electrospun nanohybrid membranes have been developed and modified for the removal of these pollutants from synthetic/waste water. Heavy metals and other metal cations, such as Cd2+, Pb2+, Cu2+, Ni2+, Hg2+, As3
  • 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
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Published 31 Jan 2022

Sputtering onto liquids: a critical review

  • Anastasiya Sergievskaya,
  • Adrien Chauvin and
  • Stephanos Konstantinidis

Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2

Graphical Abstract
  • solvent contamination [16]. However, the production rate is relatively low, and the cost of production is very high, mainly due to the massive waste produced during the synthesis [22]. A further drawback is the large consumption of energy to maintain the required pressure and temperature conditions used
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Published 04 Jan 2022

Biocompatibility and cytotoxicity in vitro of surface-functionalized drug-loaded spinel ferrite nanoparticles

  • Sadaf Mushtaq,
  • Khuram Shahzad,
  • Tariq Saeed,
  • Anwar Ul-Hamid,
  • Bilal Haider Abbasi,
  • Nafees Ahmad,
  • Waqas Khalid,
  • Muhammad Atif,
  • Zulqurnain Ali and
  • Rashda Abbasi

Beilstein J. Nanotechnol. 2021, 12, 1339–1364, doi:10.3762/bjnano.12.99

Graphical Abstract
  • were incubated with optimized concentrations of EDC and drug (DOX and MTX) for 2 h at room temperature. The drug attachment to the surface of NP was confirmed by UV–vis spectroscopy [30]. The drugs unbound from the samples were removed by 50 KDa centrifugal filters and their concentration in the waste
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Published 02 Dec 2021

First-principles study of the structural, optoelectronic and thermophysical properties of the π-SnSe for thermoelectric applications

  • Muhammad Atif Sattar,
  • Najwa Al Bouzieh,
  • Maamar Benkraouda and
  • Noureddine Amrane

Beilstein J. Nanotechnol. 2021, 12, 1101–1114, doi:10.3762/bjnano.12.82

Graphical Abstract
  • selenide (SnSe); Introduction Thermoelectric (TE) materials convert the direct and reversible heat energy into electrical energy and offer a probable solution and feasible route for power generation alternatives as well as refrigeration through the accumulation of waste heat [1][2][3] or solar energy [4
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Published 05 Oct 2021

An overview of microneedle applications, materials, and fabrication methods

  • Zahra Faraji Rad,
  • Philip D. Prewett and
  • Graham J. Davies

Beilstein J. Nanotechnol. 2021, 12, 1034–1046, doi:10.3762/bjnano.12.77

Graphical Abstract
  • self-applied, to improve the pharmacokinetic profile of therapeutic component delivery, remove the risk of needle stick injury, and reduce “sharps” and other biohazardous waste. For example, disposable microneedle patches could reduce the transmission of HIV by promoting the growth of self
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Published 13 Sep 2021

The role of deep eutectic solvents and carrageenan in synthesizing biocompatible anisotropic metal nanoparticles

  • Nabojit Das,
  • Akash Kumar and
  • Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2021, 12, 924–938, doi:10.3762/bjnano.12.69

Graphical Abstract
  • (RTILs). DESs fairly resemble the RTILs even though there are important differences regarding ecological footprint and price. One is that DESs are predominantly composed of molecules unlike RTILs, which predominantly contain ions. Also, DESs are fairly cheaper and easier to prepare, do not generate waste
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Published 18 Aug 2021

Silver nanoparticles nucleated in NaOH-treated halloysite: a potential antimicrobial material

  • Yuri B. Matos,
  • Rodrigo S. Romanus,
  • Mattheus Torquato,
  • Edgar H. de Souza,
  • Rodrigo L. Villanova,
  • Marlene Soares and
  • Emilson R. Viana

Beilstein J. Nanotechnol. 2021, 12, 798–807, doi:10.3762/bjnano.12.63

Graphical Abstract
  • of quartz (ICDD 46-1045), a commonly found secondary phase in HNT samples [30]. This result confirms that the substrate is indeed halloysite clay and the absence of any NaOH phase indicates that the treatment waste was successfully washed away. For Ag/HNT-8, diffraction peaks were found at 2θ = 38.12
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Published 05 Aug 2021

Nanogenerator-based self-powered sensors for data collection

  • Yicheng Shao,
  • Maoliang Shen,
  • Yuankai Zhou,
  • Xin Cui,
  • Lijie Li and
  • Yan Zhang

Beilstein J. Nanotechnol. 2021, 12, 680–693, doi:10.3762/bjnano.12.54

Graphical Abstract
  • ][44][45][46], waste milk carton [15], and skin [47][48][49]. Thus, low-cost self-powered sensors can be deployed on a large scale and are a good candidate for data sources for the Internet of things (IoT), big data, and artificial intelligence (AI). NGs can be used as both pressure sensors and as
  • , portable, easy-to-deploy, and low-cost TENGs are novel devices for water quality monitoring. Zhou et al. proposed the use of waste materials to make an arc-shaped TENG (AS-TENG) [15]. The AS-TENG can provide energy for a pH sensor in water. The system can trigger an alarm when the pH value is lower than 5
  • voltages according to the ion concentration, as shown in Figure 5d. The TENGs are a low-cost and environmentally friendly solution for detecting heavy metal ions. The kinetic energy generated by the flow of waste water is converted into electricity through a water-driven triboelectric nanogenerator (WD
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Published 08 Jul 2021

A review on the biological effects of nanomaterials on silkworm (Bombyx mori)

  • Sandra Senyo Fometu,
  • Guohua Wu,
  • Lin Ma and
  • Joan Shine Davids

Beilstein J. Nanotechnol. 2021, 12, 190–202, doi:10.3762/bjnano.12.15

Graphical Abstract
  • silkworms to nanoparticles in order to understand the interaction between NPs and silkworms. The effects of nanomaterials on the environment and on human and animal health. (A) Nanomaterial waste; (B) fumes and gases from factories; (C) inflammation of the lungs after inhalation of gases/fumes or when in
  • contact with nanomaterial waste; (D) damage in the membrane and in the lumen of silkworm silk glands; (E) dead zebrafish embryos; (F) NM; (G) contamination of water bodies; (H) silkworm feeding on mulberry leaves containing chemical residues. An illustration of how nanomaterials are directly fed to the
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Published 12 Feb 2021

Paper-based triboelectric nanogenerators and their applications: a review

  • Jing Han,
  • Nuo Xu,
  • Yuchen Liang,
  • Mei Ding,
  • Junyi Zhai,
  • Qijun Sun and
  • Zhong Lin Wang

Beilstein J. Nanotechnol. 2021, 12, 151–171, doi:10.3762/bjnano.12.12

Graphical Abstract
  • ); paper-based sensors; self-powered devices; P-TENGs; triboelectric nanogenerator; Introduction Environmental pollution is an undeniable fact in our daily lives. The air pollution caused by industrial waste generation (gases/toxins) and by the combustion of fossil fuels is getting more and more serious
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Published 01 Feb 2021

A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures

  • Sina Kaabipour and
  • Shohreh Hemmati

Beilstein J. Nanotechnol. 2021, 12, 102–136, doi:10.3762/bjnano.12.9

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Published 25 Jan 2021

Bio-imaging with the helium-ion microscope: A review

  • Matthias Schmidt,
  • James M. Byrne and
  • Ilari J. Maasilta

Beilstein J. Nanotechnol. 2021, 12, 1–23, doi:10.3762/bjnano.12.1

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Published 04 Jan 2021

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

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  • the production of secondary waste products that require further treatment. Advanced oxidation processes, in general, and heterogeneous semiconductor photocatalysis, in particular, are promising candidates to efficiently treat wastewater as they are cost-effective and green treatment methods in which
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Published 07 Dec 2020

Selective detection of complex gas mixtures using point contacts: concept, method and tools

  • Alexander P. Pospelov,
  • Victor I. Belan,
  • Dmytro O. Harbuz,
  • Volodymyr L. Vakula,
  • Lyudmila V. Kamarchuk,
  • Yuliya V. Volkova and
  • Gennadii V. Kamarchuk

Beilstein J. Nanotechnol. 2020, 11, 1631–1643, doi:10.3762/bjnano.11.146

Graphical Abstract
  • -invasive diagnosis of erosive-ulcerative lesions of the gastrointestinal tract based on the detection in the breath of ill patients of waste products from the bacterium Helicobacter pylori, including cytotoxic strains of this microorganism. However, it should be noted that further improvement of analytical
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Published 28 Oct 2020

A self-powered, flexible ultra-thin Si/ZnO nanowire photodetector as full-spectrum optical sensor and pyroelectric nanogenerator

  • Liang Chen,
  • Jianqi Dong,
  • Miao He and
  • Xingfu Wang

Beilstein J. Nanotechnol. 2020, 11, 1623–1630, doi:10.3762/bjnano.11.145

Graphical Abstract
  • -circuit current output that can be used as a power generator [13][14]. Pyroelectric nanogenerators (PENGs) based on a pyroelectric material have been demonstrated as an effective approach that could avoid the waste of energy by converting temperature fluctuations induced by photoabsorption into electric
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Published 27 Oct 2020

Antimicrobial metal-based nanoparticles: a review on their synthesis, types and antimicrobial action

  • Matías Guerrero Correa,
  • Fernanda B. Martínez,
  • Cristian Patiño Vidal,
  • Camilo Streitt,
  • Juan Escrig and
  • Carol Lopez de Dicastillo

Beilstein J. Nanotechnol. 2020, 11, 1450–1469, doi:10.3762/bjnano.11.129

Graphical Abstract
  • friendly approach to synthesize nanoparticles has been the use of biological and agricultural waste as reducing agent sources. Researchers have been focusing on this field that leads to one of the most ecologically friendly, sustainable, cost-efficient, and easy methods for synthesizing NPs. Recently, Soto
  • et al. (2019) used fruit peel waste to synthesize silver nanoparticles with antimicrobial activity against foodborne pathogens [93]. Ibrahim et al. (2015) have also synthesized spherical silver nanoparticles (23.7 nm) by using banana peels. These Ag NPs have exhibited antimicrobial activity against
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Published 25 Sep 2020
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