nanotechnology water Articles

  • Nanotechnology for water purification

    This paper provides an overview of the different water treatment devices that incorporate nanotechnology. New sensor technology combined with micro and nanofabrication technology is expected to lead to small, portable and highly accurate sensors to detect chemical and biochemical parameters in water. Potential opportunities and risks associated with this technology are also highlighted.Keywords: ...


    By Inderscience Publishers

  • Nanotechnology in water treatment: an emerging trend

    With advances in nanotechnology, different types of nanomaterial are emerging for applications in water purification and water treatment devices owing to their effectiveness against both chemical and biological contaminants. This paper discusses the application of nanoscale materials that are being evaluated or developed as functional materials for water treatment, e.g. nanomembranes ...


    By Inderscience Publishers

  • EC Publishes NanoData Landscape Compilation Reports

    On June 8, 2017, the European Commission (EC) published eight ...


    By Bergeson & Campbell, P.C.

  • The new business of nanotechnology and risks

    There is an Alice-in-Wonderland awe associated with nanotechnology. While the technology is both exciting and hopeful for many good reasons, for businesses, and the lawyers who counsel them, the lack of certainty in areas involving potential risk is unsettling. The U.S. Environmental Protection Agency (EPA) is only now beginning to think through how best to apply the authority it has under the ...


    By Bergeson & Campbell, P.C.

  • Environmental research and development in nanotechnology

    Maintaining and improving soil, water, and air quality represent some of the most formidable challenges facing global society in the 21st century. Pollutants from such diverse sources as oil and chemical spills, pesticide and fertiliser runoff, abandoned industrial and mining sites, and airborne gaseous and particulate matter from automobiles exacerbate the situation on a daily basis. Detecting ...


    By Inderscience Publishers

  • Nanotechnology Briefing Paper Clean Water Act

    The purpose of this briefing paper is to evaluate the existing statutory authority under the Clean Water Act (CWA or Act) to regulate nanotechnology and nanoparticles.2 One of the stated national goals of the CWA is the elimination of the discharge of pollutants into the navigable waters. Accordingly, the CWA generally provides the U.S. Environmental Protection Agency (EPA) with authority to ...

  • Nanotechnology innovation as a deus ex machine and potential effects on sustainability in a global context

    Researchers, governments and industries developing products present the miraculous benefits associated with nanotechnology stating that it will be transformative capable of alleviating water, energy and material shortages globally. Nanotechnology development is framed in this way to discourage early opposition, as those against it would also appear to be against future global social equity. There ...


    By Inderscience Publishers

  • Nanotechnology Provides Alternative Method to Dichromate Based COD Analysis

    Nanotechnologies hold a lot of promise for improving the world and offering revolutionary advancements over traditional technologies that have not changed for decades, including for water quality analysis. Laboratory staff have known for a long time about the potential negative health impacts associated with Chemical Oxygen Demand (COD) testing using the traditional dichromate method, ...


    By Camlab Limited

  • OECD Conference on fostering safe, innovation-led growth in nanotechnology

    There is little doubt that nanotechnology is delivering on its promise to revolutionize many sectors of the global economy. As nanoenabled products populate the commercial landscape at an accelerated pace, there is growing interest in developing tools that can be used to assess more precisely the benefits to the environment of nanotechnology and/or nanoenabled products. Largely in response to ...


    By Bergeson & Campbell, P.C.

  • Water governance challenges presented by nanotechnologies: tracking, identifying and quantifying nanomaterials (the ultimate disparate source) in our waterways

    Nanotechnologies are considered an enabling technology, as they enhance the functioning of a wide range of products and processes. They are increasingly appearing in consumer products, including sun creams, socks and outdoor paints, resulting in the potential for direct access of nanomaterials (NMs) into wastewater and the environment. As such, they could be considered as the ultimate ...


    By IWA Publishing

  • Nano Community Members Can Benefit from Membership in the Sustainable Nanotechnology Organization

    Membership in the Sustainable Nanotechnology Organization (SNO) offers a number of benefits to members of the nano community. As a member of the Governing Board, I strongly recommend that you consider joining and become part of the SNO family. SNO’s purpose is to provide a professional society forum to advance knowledge in all aspects of sustainable ...


    By Bergeson & Campbell, P.C.

  • Chemical pollutants in water emerge

    Recent advances in contaminant identification methodologies, sampling instrumentation, and analytical chemistry have caused an explosion of knowledge about the presence of previously undetected organic micropollutants. While it doesn"t follow that the mere presence of chemical contaminants results in harm, public health experts, regulators, and others aren"t sitting idly by. Given the necessity ...


    By Bergeson & Campbell, P.C.

  • Sea Water Desalination - Technical Article

    Sea Water Desalination is a specific process involving molecular separation via membrane technology to reduce the dissolved salt and mineral content of sea water to a level suitable for human and animal consumption, commercial/industrial and irrigation uses. This process involves three water streams namely sea water as the intake source, Product / Permeate water of potable drinking water quality ...

  • Nanosensors applied to water quality: developing a low-cost pH sensor for natural water, and application of other techniques

    A low-cost optical sensor built-in strip has been developed from a composite obtained with application of in-situ chemical polymerisation, using polyaniline in the emeraldine oxidation state, doped with HCl onto poly(ethylene terephthalate) (PET) film, used to measured the pH of water. The absorption of UV-Vis spectra was used to evaluate the optical response to pH change of natural water. The ...


    By Inderscience Publishers

  • Faster, more accurate test results for water analysis

    The future is bright for a Guelph company whose innovative water-quality monitoring technology is helping industries and municipalities save millions of dollars while better protecting the environment. MANTECH manufactures water analysis systems that provide faster, more accurate test results while using environmentally-friendly methods. Incorporated in 2010, MANTECH has worked with Innovation ...


    By MANTECH

  • Room temperature, water-based, microreactor synthesis of gold and silver nanoparticles

    Synthesis of gold and silver nanoparticles at room temperature using a polydimethylsiloxane (PDMS) microreactor has been reported. The reactions have been performed using aqueous metal salt solutions and borohydride reducing agent with tri-sodium citrate as the capping agent. Effect of concentration of reducing agent on the optical properties of the nanoparticles has been investigated. The ...


    By Inderscience Publishers

  • Water purification by functionalised self-assembled monolayers on silica particles

    This study focuses on a novel method to remove bio molecules and pathogens of different nature, such as proteins, viruses and oocysts, from water by silica particles coated with functionalised self-assembled monolayers. The results clearly show that organic species can efficiently be removed at pH ranges of drinking water by stirring the coated particles in the contaminated water for up to 60 min ...


    By Inderscience Publishers

  • Visible-light-driven photocatalytic water splitting on nanostructured semiconducting materials

    In view of the unlimited resource of solar energy and the abundance of water on earth, producing hydrogen through photocatalytic splitting of water under solar irradiation has the great potential to offer a low cost, environmentally friendly green fuel that does not contribute to greenhouse gas emissions. Since the pioneering work of Fujisima and Honda in 1972, tremendous research on ...


    By Inderscience Publishers

  • Dendrimers at the air-water interface: surface dynamics and molecular ordering

    In recent years considerable effort has been devoted to the fabrication of molecular devices by exploiting ultra thin organic films. Our attention has been focused on dendrimers, one of the most promising candidates for use in preparing highly functionalised devices due to their flexible architecture and unique properties. Thin films of dendrimers provide better control over the inter-distance ...


    By Inderscience Publishers

  • Transient self-organisation of supercooled water confined inside nano-porous materials

    Large-scale molecular dynamics simulations are used to investigate the structural and dynamical modifications of supercooled water when confined inside an hydrophilic nanopore. We then investigate the evolution of the auto-organisation of the most and the least mobile molecules (dynamical heterogeneity and string-like cooperative motions) when supercooled water is confined. Our calculations use ...


    By Inderscience Publishers

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