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Changes in silver nanoparticles exposed to human synthetic stomach fluid: effects of particle size and surface chemistry.
The significant rise in consumer products and applications utilizing the antibacterial properties of silver nanoparticles (AgNPs) has increased the possibility of human exposure. The mobility andExpand
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Alterations in physical state of silver nanoparticles exposed to synthetic human stomach fluid.
The bioavailability of ingested silver nanoparticles (AgNPs) depends in large part on initial particle size, shape and surface coating, properties which will influence aggregation, solubility andExpand
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Identification of SAGBO-induced damage zone ahead of crack tip to characterize sustained loading crack growth in alloy 783
Sustained loading was applied to alloy 783 subjected to a non-standard heat treatment, annealing plus γ′ aging, at elevated temperature. The existence of damage zone ahead of the crack tip wasExpand
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Characterization of Oxide-Dispersion-Strengthened (ODS) Alloy Powders Processed by Mechano-Chemical-Bonding (MCB) and Balling Milling (BM)
Two types of powder processing techniques, Mechano-Chemical-Bonding (MCB) and MCB plus ballmilling (BM) with reduced time, have been employed to process the nickel-based oxide-dispersion-strengthenedExpand
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Comparison of different sample preparation techniques in TEM observation of microstructure of INCONEL alloy 783 subjected to prolonged isothermal exposure.
  • L. Ma
  • Materials Science, Medicine
  • Micron
  • 1 June 2004
INCONEL alloy 783 was annealed and aged following the standard heat treatment procedure. One set of specimens was then isothermally exposed at 500 degrees C for 3000 h. Mechanical properties wereExpand
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Microscopic Characterization of Uranium Nitrides Synthesized by Oxidative Ammonolysis of Uranium Tetrafluoride
The oxidative ammonolysis route was used to synthesize three uranium nitrides, UN2, U2N3, and UN, using UF4 as the starting material. Powder XRD analysis showed the UN2 and U2N3 products to containExpand
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Micro-structural characterization of precipitation-synthesized fluorapatite nano-material by transmission electron microscopy using different sample preparation techniques.
Fluorapatite is a naturally occurring mineral of the apatite group and it is well known for its high physical and chemical stability. There is a recent interest in this ceramic to be used as aExpand
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Application of electron microscopy in the observation of technetium and technetium dioxide nanostructures.
Transmission electron microscopy (TEM) was applied to characterize the microstructure of Tc metal and technetium dioxide synthesized by the decomposition of NH(4)TcO(4). The morphology of the TcExpand
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Isothermal titration calorimetry, transmission electron microscopy, and field emission scanning electron microscopy of a main-chain viologen polymer containing bromide as counterions
The interaction of a main-chain viologen polymer containing bromide as counterions with water and aqueous potassium bromide over a broad range of concentrations was studied with isothermal titrationExpand
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Synthesis and characterization of inorganic double helices of cryptomelane nanomaterials
For the past century, researchers have invested great efforts in the synthesis of materials with various shapes and sizes. We have developed a method to prepare what appear to be inorganic doubleExpand
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