Department of Chemistry

...California State University Stanislaus

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Geochemistry News -- ScienceDaily
Earth and Climate Chemistry. Full text articles on organic and inorganic chemistry in the environment. Updated daily.

Geochemistry News -- ScienceDaily
  • New chemical technology boosts potency of targeted cancer therapy
    A new chemical technology uses cancer cells' own protein-degrading machinery to destroy, rather than merely inhibit, cancer proteins. Researchers developed the strategy as a way to develop inhibitors of "undruggable" proteins and overcome drug resistance, a common shortcoming of targeted therapies. Resistance arises when tumors that originally responded to a particular therapy manage to circumvent the drug's effects and resume their growth.

  • Modern alchemy: Chemists devise synthesis of valuable exotic compounds
    A broad and strikingly inexpensive method for synthesizing "amines," a class of organic compounds prominent in drugs and other modern products, has been discovered by a group of chemists. The new reaction is particularly useful for synthesizing complex amines that would be highly valuable in pharmaceuticals, but are impractical -- or impossible -- to make with standard methods.

  • Shining light on the fleeting interactions of single molecules
    Scientists have devised a way of directly detecting and visualizing biomolecules and their changing association states in solution by measuring their size and charge characteristics while confined in a single-molecule trap.

  • Mesoporous particles for the development of drug delivery system safe to human bodies
    Scientists have succeeded in developing porous particles (mesoporous particles) consisting solely of phospholipids, a biological component, that are suitable for use as a drug delivery system.

  • Energy harvesting? Measuring thermoelectric behavior by 'tinkertoy' materials
    Researchers have made the first measurements of thermoelectric behavior by a nanoporous metal-organic framework (MOF), a development that could lead to an entirely new class of materials for such applications as cooling computer chips and cameras and energy harvesting.

  • Amazing microdroplet structures may lead to new technologies
    Unexpected shapes of mesoscale atoms -- structures built of microdroplets encapsulated within microdroplets -- have now been created. The discovery was possible with a new method for precise control over placement of tiny segments of liquid, one in another. With further progress in innovative microfluidic systems, the method may find use in medicine and materials science.

  • New portable device could test how 'squishy' cancerous tumors are
    A new device will test a tumor's squishiness (Young's modulus), providing clinicians insight into how best to treat it. Preliminary testing has found that in general, more aggressive tumors are stiffer, but the complex relationship will require more research, according to the engineers.

  • More cycling with e-bikes
    Electric bikes make people cycle longer and more often, a new study concludes, adding that the effect is best on women. A new study focused on how people use the electric bike and how the electric bike may contribute to a decrease in motor traffic.

  • Real and 3-D printed shells ability to withstand pressure
    Engineers analyzed seashells to see how their shapes contribute to their remarkable strength. By modeling the average mollusk's mobile habitat, they are learning how shells stand up to extraordinary pressures at the bottom of the sea. The goal is to learn what drove these tough exoskeletons to evolve as they did and to see how their mechanical principles may be adapted for use in human-scale structures like vehicles and even buildings.

  • Nature inspires first artificial molecular pump
    Using nature for inspiration, scientists have developed an entirely artificial molecular pump, in which molecules pump other molecules. The machine mimics the pumping mechanism of proteins that move small molecules around living cells to metabolize and store energy from food. The pump draws its power from chemical reactions, driving molecules step-by-step from a low-energy state to a high-energy state. The pump one day might be used to power other molecular machines, such as artificial muscles, researchers say.