Search results

Search for "heavy metal ions" in Full Text gives 17 result(s) in Beilstein Journal of Nanotechnology.

Metal-organic framework-based nanomaterials for CO2 storage: A review

  • Ha Huu Do,
  • Iqra Rabani and
  • Hai Bang Truong

Beilstein J. Nanotechnol. 2023, 14, 964–970, doi:10.3762/bjnano.14.79

Graphical Abstract
  • %) was achieved. Several explanations can be considered for this observation. First, the substitution of heavy metal ions (Zr4+) with lighter ones (Ti4+) could result in an increased specific surface area of UiO-66 (BET surface area: 1844 m2·g−1). Second, the shorter Ti–O bond lengths compared to Zr–O
PDF
Album
Review
Published 20 Sep 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
PDF
Album
Review
Published 11 Nov 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
PDF
Album
Review
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
  • been developed by Zeng et al. for the removal of organic dyes and heavy metal ions from water. The HNTs has been modified with 3-aminopropyltriethoxysilane (APTES) in order to overcome the aggregation of HNTs owing to their high length-to-diameter ratio, but it has also enhanced the separation ability
PDF
Album
Review
Published 31 Jan 2022

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
  • 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
  • -TENG). Thus, heavy metal ions in waste water can be removed without external power consumption. The self-powered sensor collects water quality information such as ion concentration in the water as a data source for hydrological analysis. PENG/TENG-based pressure sensors can accurately sense pressure
  • . Used with permission from Zhaoling Li et al., “Triboelectrifcation‐Enabled Self‐Powered Detection and Removal of Heavy Metal Ions in Wastewater”, Advanced Materials, John Wiley and Sons. (e) Output voltage of the self-powered sensor under different H2S gas concentrations at room temperature. The
PDF
Album
Review
Published 08 Jul 2021

Ultrasensitive detection of cadmium ions using a microcantilever-based piezoresistive sensor for groundwater

  • Dinesh Rotake,
  • Anand Darji and
  • Nitin Kale

Beilstein J. Nanotechnol. 2020, 11, 1242–1253, doi:10.3762/bjnano.11.108

Graphical Abstract
  • with a limit of detection (LOD) of 0.56 ng (2.78 pM), which perfectly describes its excellent performance over other reported techniques. Many researchers used nanoparticle-based sensors for the detection of heavy metal ions, but daily increasing usage and commercialization of nanoparticles are rapidly
  • the WHO limit of 3 μg/L. Keywords: BioMEMS; heavy metal ions (HMIs); limit of detection (LOD); microcantilevers; microfluidics; micro-electromechanical systems (MEMS); piezoresistive sensors; SAM (self-assembled monolayers); World Health Organization (WHO); Introduction Water is fundamentally
  • based on nanotubes, nanorods, nanoneedles, or nanoplates are also used to detect HMIs selectively down to the nanomolar range [8][9][10][11]. Many authors used adsorption methods to extract heavy metal ions from groundwater [12][13][14][15][16]. However, this is only useful when a pollution source has
PDF
Album
Full Research Paper
Published 18 Aug 2020

Tailoring the stability/aggregation of one-dimensional TiO2(B)/titanate nanowires using surfactants

  • Atiđa Selmani,
  • Johannes Lützenkirchen,
  • Kristina Kučanda,
  • Dario Dabić,
  • Engelbert Redel,
  • Ida Delač Marion,
  • Damir Kralj,
  • Darija Domazet Jurašin and
  • Maja Dutour Sikirić

Beilstein J. Nanotechnol. 2019, 10, 1024–1037, doi:10.3762/bjnano.10.103

Graphical Abstract
  • metal ions [8], as well as antibacterial applications [9]. Their various applications can be divided into “energy” and “environment” related categories. Many of these applications as well as TNM interactions in the environment depend on their properties and modifications [10]. Therefore, increased
  • because of their unique physicochemical properties compared to the bulk material. TNMs play an important role in various applications such as photocatalytic degradation of organic pollutants [1][2], sensors [3][4], solid oxide fuel cells [5], water purification [6][7], adsorption of radioactive and heavy
PDF
Album
Supp Info
Full Research Paper
Published 13 May 2019

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
  • silica; remediation; Introduction Nowadays, pollution by a large number of heavy metals in water sources is commonly observed due the constant economical growth of our modern society. This environmental issue is being seriously considered by different circles [1][2], given that heavy metal ions are
  • coordination complexes with most transition metals [41][42]. The incorporation at the surface silica of a β-ketoenol group thus affords these hybrids the capacity to retain heavy metal ions. The group of C. Sanchez has prepared some mesoporous thin films functionalized with silylated β-ketoenol compounds as
PDF
Album
Full Research Paper
Published 23 Jan 2019

ZnO-nanostructure-based electrochemical sensor: Effect of nanostructure morphology on the sensing of heavy metal ions

  • Marina Krasovska,
  • Vjaceslavs Gerbreders,
  • Irena Mihailova,
  • Andrejs Ogurcovs,
  • Eriks Sledevskis,
  • Andrejs Gerbreders and
  • Pavels Sarajevs

Beilstein J. Nanotechnol. 2018, 9, 2421–2431, doi:10.3762/bjnano.9.227

Graphical Abstract
  • nanostructures are promising candidates for use in sensors, especially in electrochemical sensors and biosensors, due to their unique physical and chemical properties, as well as sensitivity and selectivity to several types of contamination, including heavy metal ions. In this work, using the hydrothermal method
  • sensitivity in detecting lead ions compared to cadmium ions. Keywords: cadmium; electrochemical sensors; heavy metal ions; lead; one-dimensional nanostructures; ZnO; Introduction Today, due to the rapid growth of industry and transport, the issues of environmental pollution by heavy metals, particularly by
  • lead, mercury, cadmium and cobalt, are becoming more and more topical. Many metals form stable organic compounds that dissolve well in water and result in the migration of heavy metal ions in aquatic and terrestrial systems, thereby resulting in high levels of contamination [1][2]. Lead is one of the
PDF
Album
Full Research Paper
Published 11 Sep 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

Graphical Abstract
  • their extraction. Hence, removal of toxic heavy metal ions from wastewater is considered as one of the most important environmental issues worldwide. Among the toxic heavy metals, chromium has been a major environmental concern in wastewater treatment. It exists in various oxidation states starting from
  • for degradation of pollutants was first applied by Frank and Bard in 1977 to reduce CN− in water [57][58]. Thereafter, significant research on photocatalytic degradation of hazardous organic compounds and reduction of toxic heavy metal ions (Cr(VI)) was carried out over various semiconductors upon
PDF
Album
Review
Published 16 May 2018

Heavy-metal detectors based on modified ferrite nanoparticles

  • Urszula Klekotka,
  • Ewelina Wińska,
  • Elżbieta Zambrzycka-Szelewa,
  • Dariusz Satuła and
  • Beata Kalska-Szostko

Beilstein J. Nanotechnol. 2018, 9, 762–770, doi:10.3762/bjnano.9.69

Graphical Abstract
  • was stirred for 10 min by a magnetic stirrer. After this time, the liquid was removed and analyzed by AAS to determine the amount of remaining elements. Nanoparticles were left to dry for 4 h at room temperature. A proposed scheme for the binding of heavy metal ions is presented in Figure 1B. Results
  • by SA causes the presence of a band at 1592 cm−1, and that the adsorption of heavy-metal ions causes further alternation of the signals in the range of 1200–1700 cm−1, which is connected to the interaction of the metal ions with SA and the nanoparticles. A shift of IR signals after heavy-metal
  • surface modification of the nanoparticles and the attachment of heavy-metal ions. Mössbauer spectroscopy The magnetic properties of obtained ferrite nanoparticles were examined by Mössbauer spectroscopy at room temperature. The obtained spectra are presented in Figure 6. All spectra show mostly the same
PDF
Album
Full Research Paper
Published 28 Feb 2018

L-Lysine-grafted graphene oxide as an effective adsorbent for the removal of methylene blue and metal ions

  • Yan Yan,
  • Jie Li,
  • Fangbei Kong,
  • Kuankuan Jia,
  • Shiyu He and
  • Baorong Wang

Beilstein J. Nanotechnol. 2017, 8, 2680–2688, doi:10.3762/bjnano.8.268

Graphical Abstract
  • of graphene materials. According to this analysis, we tried to synthesize a novel graphene material for the removal of heavy metal ions and organic dyes from wastewater. In 2013, Gao et al. developed an environmentally friendly approach to reduce GO with L-lysine [10], which showed potential
PDF
Album
Full Research Paper
Published 13 Dec 2017

Hydrophilic silver nanoparticles with tunable optical properties: application for the detection of heavy metals in water

  • Paolo Prosposito,
  • Federico Mochi,
  • Erica Ciotta,
  • Mauro Casalboni,
  • Fabio De Matteis,
  • Iole Venditti,
  • Laura Fontana,
  • Giovanna Testa and
  • Ilaria Fratoddi

Beilstein J. Nanotechnol. 2016, 7, 1654–1661, doi:10.3762/bjnano.7.157

Graphical Abstract
  • selective sensors for the detection of very low amounts of heavy metal ions from biological and environmental samples has greatly increased [26]. The metal-ion toxicity depends on their physical state, chemical form as well as the oxidation state. Many groups have studied fluorescent chemosensors with
  • in the water dispersion the hydrodynamic diameter is is measured and includes solvent layers. This therefore creates a potential on the surface of the particles (the ζ-potential) that induces negative charges on AgNPs surface due to sulfonate groups. The sensitivity of the AgNPs to heavy metal ions
PDF
Album
Full Research Paper
Published 09 Nov 2016

Carbon nano-onions (multi-layer fullerenes): chemistry and applications

  • Juergen Bartelmess and
  • Silvia Giordani

Beilstein J. Nanotechnol. 2014, 5, 1980–1998, doi:10.3762/bjnano.5.207

Graphical Abstract
  • CNO in environmental remediation was studied by Li group [54], who revealed that surface-oxidized CNO in aqueous suspensions have a high sorption capacity for heavy metal ions such as Pb2+, Cu2+, Cd2+, Ni2+ and Zn2+. The sorption capacity of oxidized CNOs was found to be up to ten times higher than
PDF
Album
Review
Published 04 Nov 2014

Current state of laser synthesis of metal and alloy nanoparticles as ligand-free reference materials for nano-toxicological assays

  • Christoph Rehbock,
  • Jurij Jakobi,
  • Lisa Gamrad,
  • Selina van der Meer,
  • Daniela Tiedemann,
  • Ulrike Taylor,
  • Wilfried Kues,
  • Detlef Rath and
  • Stephan Barcikowski

Beilstein J. Nanotechnol. 2014, 5, 1523–1541, doi:10.3762/bjnano.5.165

Graphical Abstract
  • nanoscopic wear debris [6][7][8] which have been reported to accumulate in lymph nodes, bone marrow, liver and spleen [9]. In that context toxicological effects, including impaired DNA replication and cell growth as well as inflammatory responses, are meant to originate from release of toxic heavy metal ions
PDF
Album
Video
Review
Published 12 Sep 2014

Injection of ligand-free gold and silver nanoparticles into murine embryos does not impact pre-implantation development

  • Ulrike Taylor,
  • Wiebke Garrels,
  • Annette Barchanski,
  • Svea Peterson,
  • Laszlo Sajti,
  • Andrea Lucas-Hahn,
  • Lisa Gamrad,
  • Ulrich Baulain,
  • Sabine Klein,
  • Wilfried A. Kues,
  • Stephan Barcikowski and
  • Detlef Rath

Beilstein J. Nanotechnol. 2014, 5, 677–688, doi:10.3762/bjnano.5.80

Graphical Abstract
  • effects were observed after AgNP injection, silver ion dissolution seems to be either significantly reduced or the ions are deactivated after injection into the embryo. This could be caused by the aforementioned proteins, which are known to deactivate heavy metal ions by complexation. Since no such
PDF
Album
Full Research Paper
Published 21 May 2014

Self-assembled monolayers and titanium dioxide: From surface patterning to potential applications

  • Yaron Paz

Beilstein J. Nanotechnol. 2011, 2, 845–861, doi:10.3762/bjnano.2.94

Graphical Abstract
  • eventually, following secondary reactions, gives stable molecules such as CO2 and water [5][6]. Nevertheless, it was shown that some halo-organics [7][8] and highly toxic heavy-metal ions such as Cr(VI) [9][10] could be degraded reductively by photoinduced electrons. Langmuir–Hinshelwood type kinetics is
PDF
Album
Review
Published 20 Dec 2011
Other Beilstein-Institut Open Science Activities