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Millions of research papers, searchable by topic/keyword • Upload research papers so others in your field can find them • Use an analytics dashboard to track the impact of your uploaded research papers • Generate a newsfeed tailored to your research interests

American Association for the Advancement of Science

The American Association for the Advancement of Science, "Triple A-S" (AAAS), is an international nonprofit organization dedicated to advancing science around the world through education, leadership and professional networking.

Earth Systems Center for Stable Isotopic Studies (ESCSIS)

ESCSIS is a Yale Institute for Biospheric Studies (YIBS) core facility. ESCIS is dedicated to the expansion of knowledge in prehistoric and modern earth systems. Primary techniques utilize stable isotopic study. Additionally, ESCSIS provides quality isotopic analyses for researchers from other institutions. Primary focus of interest includes analysis of carbon, nitrogen, oxygen, hydrogon, and sulfur stable isotope ratios.

United States Department of Energy

Advance the national, economic, and energy security of the United States • Promote scientific and technological innovation • Ensure the environmental cleanup of the national nuclear weapons complex

Handbook of Stable Isotope Analytical Techniques

A handbook of analytical techniques for a large range of stable isotopes • Laboratory workers can look up stable isotope techniques easily • Create more standardization in analytical techniques • Present modern developments in, and subjective review of, specific techniques

Isogeochem: University of Vermont

E-mail discussion list • Reference website • Stable isotope geochemistry

Isotope - Periodic Table

Explore the elements with a high-qualilty user interface for phones and tablets running Android 5.0 or higher  Features 118 elements  Rich animations  High-quality images  Search feature  Temperature unit chooser

Isotopes Matter and the IUPAC Interactive Periodic Table of the Elements and Isotopes

Created by undergraduate students at The King’s University, this periodic table offers interactive lessons and information focused on isotopes. Click here for lessons, and click here for the periodic table.

Jefferson Lab Science Education

Worksheets • Puzzles • Games

National High Magnetic Field Laboratory

The lab's magnets offer the highest magnetic fields for use by an international community of scientific visitors. It could just as easily be called the National Unique Magnetic Field Laboratory, because many of its magnets and experimental techniques are highly specialized, yet broadly applicable to research in physics, materials science, chemistry, biochemistry, biology and even biomedicine.

National Nuclear Data Center (NNDC)

The National Nuclear Data Center (NNDC) collects, evaluates, and disseminates nuclear physics data for basic nuclear research and for applied nuclear technologies. The NNDC is a worldwide resource for nuclear data and specializes in the following areas: • Nuclear structure and low-energy nuclear reactions • Nuclear databases and information technology • Nuclear data compilation and evaluation

National Science Foundation

Funding for research and education in most fields of science and engineering • Grants • Cooperative agreements to colleges, universities, K-12 schools and businesses • Informal science organizations • Research organizations throughout the United States

Next Generation of Nuclear Reactors

The Next Generation Nuclear Plant (NGNP) is part of the federal government's effort to advance commercial nuclear reactor designs beyond the current generation that is being deployed around the world. Additionally, the NGNP is a key component in the Administration's plans to develop the hydrogen economy.

Nuclear Physics Conferences

A listing provided by the National Superconducting Cyclotron Laboratory (NSCL) at Michigan State University.

Orbitron: University of Sheffield

A gallery of atomic orbitals and molecular orbitals on the WWW • Images representing atomic orbitals and molecular orbitals • Animated plots of wave functions • Animated plots of electron density • "Dot-density" plots of electron density • Plots of radial distribution functions

Particle Accelerators

An international list of particle accelerators and accelerator laboratories, compiled by the University of Bonn.

Periodic Videos

A lesson about every single element on the periodic table, created by the Periodic Videos team using the TED-Ed platform.

Science NetLinks

Resources for K-12 science educators • Meaningful standards-based Internet experiences for students


A Federation of American Scientists blog, with articles of scientific interest.

SIRFER - Stable Isotope Ratio Facility for Environmental Research - University of Utah

A research and recharge facility that measures natural-abundance isotope radios at the compound - specific and aggregate levels on liquids, solids, and gases.

Stable Isotope Laboratories Around the World

A list of the major labs around the world - hosted by Cornell University ISOGEOCHEM


Periodic table on the web


Interactive periodic table with dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, search. Full descriptions.

Tabla Periódica

Presentation of the periodic table in Spanish.



Radioisotopes in Medicine

World Nuclear Association represents the people and organizations of the global nuclear profession. • Nuclear Medicine • Diagnostic techniques in nuclear medicine • Radionuclide therapy (RNT) • Biochemical Analysis • Diagnostic Radiopharmaceuticals • Therapeutic Radiopharmaceuticals • Radioisotope Poisons • Supplies of radioisotopes • Nuclear Medicine Wastes • Isotopes used in Medicine • Cyclotron Radioisotopes

Society of Nuclear Medicine and Molecular Imaging

An international scientific and professional organization founded in 1954 to promote the science, technology and practical application of nuclear medicine.

European Association of Nuclear Medicine (EANM)

EANM is advancing science and education in nuclear medicine for the benefit of public health as well as promoting and coordinating, throughout Europe and beyond, discussion and exchange of ideas and results relating to the diagnosis, treatment, research and prevention of diseases through the use of unsealed radioactive substances and the properties of stable nuclides in medicine.


Answer your questions related to radiologic procedures and therapies available to you and your family • Information to prepare for a baseline mammogram • Learning about your child's x-ray, or researching radiation oncology (cancer therapy) procedures • How various x-ray, CT, MRI, ultrasound, radiation therapy and other procedures are performed • Possible side effects • How to prepare for the exams • Updated frequently with new information • Reviewed and approved by experts in the field of radiology from the ACR and RSNA, as well as other professional radiology organizations



Argonne National Laboratory - University of Chicago

A U. S. Department of Energy laboratory managed by University of Chicago Argonne, LLC • The Fragment Mass Analyzer (FMA) is a recoil mass spectrometer located at the ATLAS accelerator at Argonne National Laboratory

Costech Analytical Technologies Inc.

Instruments, accessories and consumables for elemental analysis

Environmentalists for Nuclear Energy - USA

Environmentalists for Nuclear Energy - USA (EFN-USA) is a non-profit organization based in Denver, Colorado, USA. EFN-USA works with environmental scientists, economists, political scientists, sociologists, naturalists, conservationists and specialists in nuclear energy, nuclear medicine, radioisotopes and low-dose radiation, to help visitors learn about and appreciate many aspects of nuclear energy and nuclear science.

Go Nuclear

Go Nuclear, Inc., is a nonprofit organization based in Denver, Colorado, USA. They work with professionals in nuclear energy, nuclear medicine and low-dose radiation around the world. Their purpose is to help the public worldwide understand and appreciate clean, environmentally friendly, safe, reliable, affordable nuclear energy, as well as radioisotopes for nuclear medicine, agriculture and industry.

International Atomic Energy Agency

Isotope Hydrology section of the IAEA: Water Resources Program • Environmental isotopes are unique in regional studies of water resources to obtain temporally and spatially integrated characteristics of groundwater systems • Among the most important areas where isotopes are useful in groundwater applications are aquifer recharge and discharge processes, flow and interconnections between aquifers, and the sources, fate and transport of pollutants

IAEA Reference Materials Catalogue

The IAEA provides reference materials to laboratories world-wide to assist them in the quality of the results they obtain by nuclear analytical techniques.

National Isotope Development Center (NIDC)

The National Isotope Development Center (NIDC) manages the coordination of isotope production across the facilities and business operations involved in the production, sale, and distribution of isotopes. Located at Oak Ridge National Lab (ORNL) in Oak Ridge, TN, the NIDC is funded by the Isotope Development and Production for Research and Applications (IDPRA) subprogram of the Office of Nuclear Physics in the U.S. Department of Energy Office of Science.

Nuclear Energy Institute

NEI develops policy on key legislative and regulatory issues affecting the industry. NEI then serves as a unified industry voice before the U. S. Congress, executive branch agencies and federal regulators, as well as international organizations and venues. NEI also provides a forum to resolve technical and business issues for the industry. Finally, NEI provides accurate and timely information on the nuclear industry to members, policymakers, the news media and the public.

Radioisotopes in Industry

World Nuclear Association represents the people and organizations of the global nuclear profession. • Neutron Techniques for Analysis • Gamma & X-ray Techniques in Analysis • Gamma Radiography • Gauging • Gamma Sterilisation • Scientific Uses • Tracing/Mixing Uses • Wastes • Oil and Gas Operations • Coal Burning • Phosphate Fertilisers • Process and Waste Water Treatment • Scrap metal Industry • Metal Smelting Sludges • Research • Intermediate-Level Wastes • Industrial Radioisotopes

FRIB - Facility for Rare Isotope Beams - Michigan State University

The world's most powerful research accelerator dedicated to producing and exploring new rare isotopes that cannot be found on Earth • Educate new generations of scientists • Provide society with numerous opportunities to reap the benefits of discovery

Thermo Scientific

Superior analytical instruments • Laboratory equipment • Software, services • Consumables and reagents