All Knowledge & Insights By Date

On June 30, 2022, the Organization for Economic Cooperation and Development (OECD) published six new Test Guidelines (TG) and ten updated or corrected TGs. The new TGs include the first two harmonized methods for measuring certain nanomaterial-specific physical-chemical properties. According to OECD, these harmonized methods were developed to respond to regulatory needs in member and adhering countries, specifically for manufactured nanomaterials. The development of these TGs was...

On June 28, 2022, the European Union (EU) Observatory for Nanomaterials (EUON) published a Nanopinion entitled “Models to Characterize Exposures to Manufactured Nanomaterials in OECD” by Vladimir Murashov, Ph.D., Senior Scientist in the Office of the Director, National Institute for Occupational Safety and Health (NIOSH), and John Howard, M.D., Director of NIOSH and Administrator of the World Trade Center Health Program in the U.S. Department of Health and Human Services. The authors...

The European Union (EU) Observatory for Nanomaterials (EUON) announced on June 17, 2022, that it is looking for topics that could be addressed in its upcoming studies. EUON conducts up to three studies annually to address knowledge gaps on nanomaterials. EUON is looking for study topics that address: Questions related to the health and safety aspects of nanomaterials, including hazard and risk assessment, exposure to nanomaterials, or worker safety and protection; Specific issues...

The National Nanotechnology Initiative (NNI) will hold a public webinar on June 28, 2022, on “Nanotechnology Commercialization: Perspectives from a Regional Innovation Ecosystem.” Participants will hear from members “of a vibrant nanotechnology innovation ecosystem anchored by the Mid-Atlantic Nanotechnology Hub at the Singh Center for Nanotechnology (part of the National Nanotechnology Coordinated Infrastructure).” The speakers will share their perspectives on topics such as...

On May 31, 2022, the European Union (EU) Observatory for Nanomaterials (EUON) published a Nanopinion entitled “Urinary MicroRNA-based Early Cancer Detection Using Nanowire-based Devices” by Dr. Yasui Takao on using nanowire devices to extract microRNAs (miRNA) from urine to distinguish cancer patients from healthy individuals and improve the early detection of cancer. According to Yasui, researchers designed a device equipped with 100 million zinc oxide nanowires that can extract a...

The International Organization for Standardization (ISO) recently published ISO/TR 23463:2022, “Nanotechnologies — Characterization of carbon nanotube and carbon nanofibre aerosols to be used in inhalation toxicity tests.” The standard reviews characterization of carbon nanotube (CNT) and carbon nanofiber (CNF) aerosols for inhalation exposure studies. According to the standard, the framework for material characterization for inhalation studies consists of: Characterization of as-produced...

 On May 6, 2022, the U.S. Environmental Protection Agency (EPA) published a notice in the Federal Register announcing the availability of, and requesting comments on, data related to aquatic toxicity of chitosan salts. 87 Fed. Reg. 27059. Specifically, EPA is seeking comments on the following two aquatic toxicity reports submitted by Tidal Vision Products, LLC (Tidal Vision), the company that submitted a petition to EPA on October 10, 2018, requesting that EPA add chitosan to...

According to a May 9, 2022, news item published by the U.S. Environmental Protection Agency (EPA), “Advancing EPA’s Understanding of the Next Generation of Pesticides,” over the past decade, EPA “has received an increasing number of pesticide product applications that potentially contain nanomaterials.” The article notes that EPA’s current pesticide review method was not designed for nanomaterials, so each product is reviewed on a case-by-case basis. An EPA research team led by EPA...

The NanoHarmony and NANOMET projects are holding their first face-to-face joint workshop on the development of Organization for Economic Cooperation and Development (OECD) test guidelines (TG) for nanomaterials back-to-back with the OECD Working Party on Manufactured Nanomaterials (WPMN) at the OECD Conference Center in Paris on June 29-30, 2022. NanoHarmony aims to facilitate and improve the development process of TGs from the perspective of the developers, users, and...

On April 20, 2022, Germany’s Federal Institute for Risk Assessment (BfR) announced that the fourth joint symposium on nanotechnology will be held May 30-31, 2022. During the symposium, experts will present their findings on topics such as the use of nanotechnology in textiles and packaging, its application in agriculture, the effects of nanomaterials on the body, and future-oriented assessment approaches. BfR notes that with nanotechnology, consumer protection is expanding into...

On April 15, 2022, the U.S. Environmental Protection Agency (EPA) announced final product performance data requirements for products claiming efficacy against certain pests. 87 Fed. Reg. 22464. This action officially incorporates EPA’s already existing product performance standards requirements for certain invertebrate pests into the Code of Federal Regulations (CFR).  EPA states this action also increases the efficiency of its approval process and will save...

The U.S. Environmental Protection Agency (EPA) announced on April 18, 2022, that it will hold a webinar on May 11, 2022, entitled “Data-Driven Solutions to Reducing Animal Use in Ecotoxicity.” Speakers will include: Carlie LaLone, Ph.D., EPA Office of Research and Development (ORD), on “The Sequence Alignment to Predict Across Species Susceptibility (SeqAPASS) Tool: Extrapolating Knowledge Computationally.” EPA states that regulatory decision-making for chemical safety relies upon...

On March 31, 2022, the National Nanotechnology Initiative (NNI) published a supplement to President Biden’s 2022 budget request. The supplement serves as NNI’s annual report. According to the supplement, NNI has made significant progress toward the five goals of NNI identified in the 2021 NNI Strategic Plan. Furthermore, the nanotechnology research community continues to leverage former NNI investments that established a strong foundation of understanding at the nanoscale to combat...

The European Union (EU) Observatory for Nanomaterials (EUON) has launched two calls for tenders to conduct studies on nanomaterials. The first call for tender is on valid in silico modeling tools and read-across approaches, including creating case studies on read-across for specific types of nanomaterials. According to the call for tender, the study proposes to examine the use of these tools for nanomaterials and to draw potential conclusions (for both regulators and industry/small-...

On March 1, 2022, NanoHarmony held the first in a series of webinars covering the different phases that an Organization for Economic Cooperation and Development (OECD) test guideline (TG) progresses through during its journey from a science-based initial idea through to use by industry to fulfill regulatory obligations. A recording of the March 1, 2022, webinar on the use of TGs in industry is now available. A short survey is available to collect stakeholder viewpoints on the...

On February 24, 2022, the European Union (EU) Observatory for Nanomaterials (EUON) published a Nanopinion entitled “Are nanoplastics hazardous? The way forward to overcome the uncertainties of risk assessment” by Dr. Anita Jemec Kokalj and Dr. Dana Kühnel about defining the criteria to evaluate which properties of nanoplastics should be reported in future studies to decrease uncertainties in their risk assessment. The authors state that nanoplastics “are complex environmental pollutants...

By Lynn L. Bergeson and Carla N. Hutton The U.S. Environmental Protection Agency will hold a virtual public meeting April 20-21, 2022, to seek individual input on the proposed Toxic Substances Control Act (TSCA) New Chemicals Collaborative Research Program. 87 Fed. Reg. 10784. In addition, EPA announced the availability of and is soliciting public comment on the draft document entitled “Modernizing the Process and Bringing Innovative Science to Evaluate New Chemicals Under TSCA.” EPA...

The National Nanotechnology Initiative (NNI) will hold a webinar on “What We Know about NanoEHS: Building International Bridges” on March 1, 2022. NNI states that it has supported the emergence of an international community of collaborative researchers on the environmental, health, and safety aspects of nanomaterials (nanoEHS). According to NNI, “[b]y advancing tools, methods, and standards for robust health and safety evaluation, these cooperative efforts have furthered the safe and...

By Lynn L. Bergeson  On January 10, 2022, the Massachusetts Institute of Technology (MIT) announced that a team of its researchers has developed a promising approach to control methane emissions and remove methane from the air using zeolite clay. Zeolite clay is inexpensive and abundant. The MIT team found that, when treated with copper, the material is very effective at absorbing methane from the air even at low concentrations. According to researcher and Associate Professor of Civil...

The National Nanotechnology Initiative (NNI) will hold a webinar on “What We Know about NanoEHS: Nanoinformatics and Modeling” on January 31, 2022. NNI states that nanoinformatics and modeling support and crosscut all areas of assessments of the environmental, health, and safety aspects of nanomaterials (nanoEHS). The expert panel will explore how progress in nanoinformatics and modeling has impacted the safe and responsible development of nanotechnology. The panel will be moderated by...

The International Organization for Standardization (ISO) recently published ISO/TS 21357:2022, “Nanotechnologies — Evaluation of the mean size of nano-objects in liquid dispersions by static multiple light scattering (SMLS).” ISO states that the standard provides guidance and requirements for the determination of the mean (spherical) equivalent diameter of nano-objects (i.e., particles, droplets, or bubbles) dispersed in liquids using the SMLS technique. According to ISO, the technique is...

On December 22, 2021, the Swedish National Platform for Nanosafety (SweNanoSafe) announced the availability of the executive summary for a report entitled “Toward Safe and Sustainable Nanotechnology Innovation.” SweNanoSafe and researchers from the Action Research Center for a Resilient Society, Sari Scheinberg and Sverker Alänge, commissioned a study to contribute to knowledge and understanding, to create new ways of meeting, and to gather information on how...

In December 2021, the German Environment Agency (UBA) published a report entitled Development of a specific OECD Test Guideline on Particle Size and Particle Size Distribution of Nanomaterials. The UBA commissioned the Federal Institute for Occupational Safety and Health (BAuA) (project coordinator) and the Federal Institute for Materials Research and Testing (BAM) to develop an Organization for Economic Cooperation and Development (⁠OECD)⁠ Test Guideline for the determination of particle...

By Lynn L. Bergeson and Ligia Duarte Botelho, M.A. On November 23, 2021, ACS announced that it is accepting applications for its Heh-Won Chang, Ph.D. Fellowship in Green Chemistry. This opportunity provides $5,000 in financial support to full-time graduate students conducting research in green chemistry. This one-time payment may be used for any purpose, including conference travel, professional development, and living expenses while the recipient is in graduate school. This...

The Organization for Economic Cooperation and Development (OECD) recently published the following reports: Evaluation of Tools and Models Used for Assessing Environmental Exposure to Manufactured Nanomaterials; Functional Assessment and Statistical Analysis of Nano-Specific Environmental Exposure Tools and Models: The objective of the project was to compile available tools and models for the assessment of environmental exposure to manufactured nanomaterials and to conduct an analysis of their...

On November 15, 2021, the European Union (EU) Observatory for Nanomaterials (EUON) announced the release of a report that it commissioned entitled “Study on the Product Lifecycles, Waste Recycling and the Circular Economy for Nanomaterials.” The study updates and expands on the 2016 Organization for Economic Cooperation and Development (OECD) document entitled “Nanomaterials in Waste Streams — Current Knowledge on Risks and Impacts.” The report covers waste streams containing...

The National Nanotechnology Initiative (NNI) held a webinar on November 16, 2021, entitled “What We Know about NanoEHS: Risk Assessment and Risk Management.” The webinar’s speakers explored the impact of advances in risk assessment and risk management on the safe and responsible development of nanotechnology. The panel included: Rick Canady, Director and Founder, NeutralScience L3C; Igor Linkov, Research Physical Scientist, Environmental Laboratory, U.S. Army Engineer Research and...

The International Organization for Standardization (ISO) recently published ISO/TS 23650:2021, “Nanotechnologies — Evaluation of the antimicrobial performance of textiles containing manufactured nanomaterials.” ISO states that the standard specifies the antimicrobial performance assessment method for textiles containing manufactured (metals/metal oxides) nanomaterials. The textiles in the standard include fabric, yarn, and fiber in which manufactured nanomaterials are used during the...

By Lynn L. Bergeson and Ligia Duarte Botelho, M.A. On October 28, 2021, the Tokyo Institute of Technology (Tokyo Tech) announced that several of its scientists discovered in a study that bioplastics can be chemically recycled into nitrogen-rich fertilizers in an environmentally friendly manner. Assistant Professor Daisuke Aoki and Professor Hideyuki Otsuka led the study hoping to address plastic pollution, petrochemical resource depletion, and world hunger. In their novel method,...

On October 15, 2021, the U.S. Environmental Protection Agency (EPA) announced that it has revised its guidance for evaluating the efficacy of antimicrobial pesticides against Candida auris (C. auris). EPA states that pesticide manufacturers seeking to register their products with a C. auris claim should use this updated guidance to test the effectiveness of the products against a drug-resistant strain of C. auris. EPA states that C. auris is an...

By Lynn L. Bergeson  On October 1, 2021, EPA announced a series of virtual meetings of the Board of Scientific Counselors (BOSC) Chemical Safety for Sustainability and Health and Environmental Risk Assessment (CSS HERA) Subcommittee to review recent progress and activities of the Chemical Safety Analytics (CSA) and Emerging Materials and Technologies (EMT) research areas. Meetings are open to the public, and EPA is accepting comments until November 3, 2021. Interested parties may also...

On October 8, 2021, the National Nanotechnology Coordination Office (NNCO) announced the release of the 2021 National Nanotechnology Initiative Strategic Plan, which outlines the goals, objectives, and actions for National Nanotechnology Initiative (NNI) over the next five years. Goal 1. Ensure that the United States remains a world leader in nanotechnology research and development (R&D): According to NNI, NNI agencies will continue to use their full suite of authorities and mechanisms...

In honor of National Nanotechnology Day, and as part of a series for its 50th anniversary, the National Institute for Occupational Safety and Health (NIOSH) has posted a blog item entitled “National Nanotechnology Day: A big day for small things.” NIOSH states that it has been at the forefront of efforts to characterize the potential hazards for those working with engineered nanomaterials and to ensure safe workplaces since the early 2000s, including the creation of the...

The White House Office of Science and Technology Policy (OSTP) published a request for information (RFI) on October 5, 2021, requesting input on the development of a National Strategic Plan for Advanced Manufacturing. 86 Fed. Reg. 55022. Through the RFI, OSTP seeks input from the public on ways to improve government coordination and on long-term guidance for federal programs and activities in support of U.S. manufacturing competitiveness. According to the RFI, advanced manufacturing is a...

The Swedish National Platform for Nanosafety (SweNanoSafe) will hold a workshop on November 29, 2021, on “Safe and Sustainable by Design: a prerequisite for achieving a circular economy.” SweNanoSafe states that “Safe and Sustainable by Design (SSbD) is based on the consideration and minimization of uncertainties and risks to human health and the environment from an early stage of the innovation process and throughout the lifecycle of the innovation product.” The concept of SSbD...

On September 29, 2021, the U.S. Environmental Protection Agency (EPA) announced developments in its efforts to address per- and polyfluoroalkyl substances (PFAS) in the environment. In particular, EPA provided an update on its progress in testing pesticide products and containers for PFAS. EPA states that as part of its ongoing efforts, it is releasing an internally validated method for the detection of 28 PFAS compounds in oily matrices, such as pesticide products formulated in oil,...

The Institut de recherche Robert-Sauvé en santé et en sécurité du travail (IRSST) announced on August 9, 2021, publication of a study entitled Characterization of Unintentionally Released Nanometric Particles in Various Workplaces. The study characterizes unintentionally released nanoparticles (URNP) found in six workplaces — an underground mine, a truck repair shop, an underground transportation network, a foundry, a machine shop, and a wax casting shop — on the basis of...

Registration has opened for a September 22, 2021, webinar held by the National Nanotechnology Coordination Office (NNCO) on “What We Know about NanoEHS: Measurement and Characterization.” The webinar’s speakers will explore the impact of advances in nanomaterial measurement and characterization on the safe and responsible development of nanotechnology. Vincent Hackley, Research Chemist, National Institute of Standards and Technology (NIST), will moderate. The panel will include:...

ASTM recently announced that it published a standard, E3275, that seeks to familiarize laboratory scientists with background information and technical content necessary to image and identify engineered nanomaterials in cellular and noncellular samples. According to ASTM, the standard is specific to the use of the darkfield microscopy/hyperspectral imaging analysis technique. ASTM states that in this technique, the resulting sample analysis allows for direct visualization and...

The International Organization for Standardization (ISO) recently published two standards for nanomaterials. ISO/TS 21633:2021, “Label-free impedance technology to assess the toxicity of nanomaterials in vitro,” describes a methodology of a label-free and real-time detection for non-invasive monitoring of cell-based assays to assess toxicity of nanomaterials to eukaryotic and prokaryotic cells. ISO/TS 23034:2021, “Nanotechnologies — Method to estimate cellular uptake of carbon...

The January 29, 2021, issue of the U.S. Food and Drug Administration’s (FDA) NCTR Research Highlights includes an item highlighting the National Center for Toxicological Research’s (NCTR) nanotechnology-related activities in 2020.  The activities include: Nanotechnology Standards:  Two work items developed by the NCTR Nanotechnology Core Facility (Nanocore) staff became standards in February 2019 and January 2020 (Standard Practice for Performing...

The European Chemicals Agency (ECHA) has launched a call for tenders to perform a study “Assessment of the potential impact of graphene, graphene oxide and other 2D materials on health, and the environment” as part of the European Union (EU) Observatory for Nanomaterials (EUON). According to the description, the goal of the study is to conduct a systematic literature review of the health and environmental effects of graphene, graphene oxide, and other two-dimensional (2D) materials, based on...

The International Organization for Standardization (ISO) has published ISO/TR 22293:2021, “Evaluation of methods for assessing the release of nanomaterials from commercial, nanomaterial-containing polymer composites.” ISO states that an understanding of what is released from products containing manufactured nanomaterials “is critical to planning and managing safe development and use of those products.” The document aims to provide a guide to the information to be taken into account in...

NanoHarmony aims to support the development of Organization for Economic Cooperation and Development (OECD) test guidelines (TG) and guidance documents (GD) for eight endpoints where nanomaterial-adapted test methods have been identified as a regulatory priority. NanoHarmony states that it is looking to create guidance for the development of other TGs and GDs in the future that will create a more efficient pathway to develop these. To help learn best practice in this area, the NanoHarmony...

On August 1-2, 2019, the National Nanotechnology Initiative (NNI) will hold “The Future of the NNI:  A Stakeholder Workshop.”  The NNI has played a pivotal role in fostering and advancing a dynamic nanotechnology ecosystem in support of the initiative’s four goals:  advance world-class research; foster commercialization; develop and sustain research infrastructure; and support the responsible development of nanotechnology.  Building on this foundation, experts from...

The International Organization for Standardization (ISO) has published standard ISO/TS 22292:2021, “Nanotechnologies — 3D image reconstruction of rod-supported nano-objects using transmission electron microscopy.” ISO states that the standard provides guidance for sample preparation, data acquisition by transmission electron microscopy (TEM), data processing, and three-dimensional (3D) image reconstruction to measure size and shape parameters of nano-objects on rod-shaped supports....

By Lynn L. Bergeson   On June 1, 2021, the Oak Ridge National Laboratory (ORNL) announced that its scientists have developed a novel solvent that results in a more efficient process to recover valuable materials from used lithium-ion batteries. According to ORNL’s press release, this new method supports a stable domestic supply chain for new batteries and keeps old ones out of landfills.   Currently, the recycling process of batteries involves smelting, which is an...

The International Organization for Standardization (ISO) has published standard ISO/TS 20660:2019, “Nanotechnologies — Antibacterial silver nanoparticles — Specification of characteristics and measurement methods.”  The standard provides guidance for the specification of characteristics and relevant measurement methods for silver nanoparticles in powder or colloidal forms that are intended for antibacterial applications in nanotechnology.  ISO states that the standard is...

The U.S. National Nanotechnology Initiative (NNI) will hold a webinar on June 2, 2021, on nanosensors for food and agriculture. NNI states that nanotechnology-enabled sensors (nanosensors) “are promising tools to advance precision agriculture and support a safe and robust food supply chain, from farm to fork.” Panelists will discuss how the development and deployment of nanosensors could transform agriculture and food safety. They will highlight the state of the science,...

On April 29, 2021, the European Union (EU) Observatory for Nanomaterials (EUON) published a Nanopinion entitled “Biotransformation of nanomaterials while transferring in the food chain” by Dr. Fazel A. Monikh.  As the application of nanomaterials increases, more of these materials are released in the environment.  Monikh states that some nanomaterials that are persistent in the environment raise concerns as they can enter organisms’ bodies, accumulate in their organs, and...