Search Results - environmental

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  1. Due to the ease of application and their desirable properties, epoxies are one of the most commonly used thermoset polymers. They can be used in dental fillings, wind turbines, adhesives, corrosion protectants, and so much more. The reason why epoxy resins are available for such a large range of applications is due to the nature of epoxy structure ...
    Published: 10/25/2017
  2. Many countries are experiencing an increase in nitrate and fluoride contamination to their water supply due to the increase in fertilizer runoff, and aging infrastructure. Filter media is anything within a filter that changes that quality of water flowing through it. There and many types of media to choose from depending on the circumstances of one...
    Published: 8/10/2017
    Keywords(s): Environmental
  3. Radiotherapy is a common medical procedure, especially for the treatment of cancers such as head and neck, breast prostate, lung and rectum. It is a complex process aimed at maximizing delivery of the planned dose to the tumor sites while minimizing unnecessary radiation to healthy tissues. Today, radiotherapy procedures make use of image guidance ...
    Published: 6/21/2017
  4. In order to reduce the high costs associated with renewable power, there is a need to develop highly efficient photovoltaic materials, and III-V compound semiconductors offer a higher efficiency than conventional materials. However, high production costs limit widespread photovoltaic development. The substrates used to manufacture compound semicond...
    Published: 6/6/2017
    Inventor(s): Alan Chin, Cun-Zheng Ning
    Keywords(s): Energy, Solar cells
  5. Growing global demand and short supply have necessitated new methods to recover precious metals, especially for those in the platinum-group metals (PGMs). Thus, recovering precious metals from waste streams is becoming increasingly important. Practical limitations to recovering PGM from waste streams using conventional methods include labor, capit...
    Published: 10/19/2016
  6. The relative concentrations of various calcium and metal isotopes in the body can be an important diagnostic marker for numerous medical conditions. Certain Ca isotopes in blood or urine can be used to detect bone lesions/cancers, multiple myeloma and other metastases to bone, as well as to provide information regarding bone mineral balance (BMB). ...
    Published: 9/29/2016
  7. Enzyme-induced carbonate precipitation (EICP) is a technique used for soil stabilization. EICP cements soil particles together using urease enzymes to precipitate calcium carbonate in a water-based solution. EICP may be used as a means of improving the bearing capacity of soils, preventing erosion, and mitigating the potential for earthquakeÔÇÉinduce...
    Published: 8/26/2016
  8. Metal organic framework (MOF) crystals have a variety of potential applications, but have physical properties that constrain growth on various substrates. Plastic nanofibers are a potential platform for growing MOF crystals and are promising due to their own high versatility in many fields such as sensing, protective clothing, and separations. Howe...
    Published: 8/3/2016
    Inventor(s): Bin Mu, Mitchell Armstrong
  9. Unlike typical sorbents, certain moisture/humidity swing sorbents have an increased affinity for carbon dioxide as they dry out in open air, making them an excellent candidate for carbon capture and harmful emissions reduction. However, establishing the conditions for moisture swing becomes challenging as the carbon dioxide concentration in open ai...
    Published: 7/15/2016
    Inventor(s): Klaus Lackner
    Keywords(s): Environmental
  10. Smart metal-organic frameworks (MOFs) are porous, crystalline materials made of metals bonded to organic molecules (ligands) that have changeable properties when introduced to external stimuli. Changing the minimum energy required to excite an electron into a conductive state (optical band gap energy) allows control of the conductivity. Most effort...
    Published: 7/15/2016
    Inventor(s): Bin Mu, Bohan Shan

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