Fluorescent probes for selective determination of trace level Al3+: recent developments and future prospects

2013 ◽  
Vol 5 (22) ◽  
pp. 6262 ◽  
Author(s):  
Sudipta Das ◽  
Mili Dutta ◽  
Debasis Das
Keyword(s):  
Fluorescent Probes ◽  
Future Prospects ◽  
Trace Level ◽  
Selective Determination ◽  
Recent Developments

Schiff base modified screen printed electrode for selective determination of aluminium(III) at trace level

2017 ◽  
Vol 239 ◽  
pp. 17-27 ◽  
Author(s):  
Sonia Rana ◽  
Susheel K. Mittal ◽  
Narinder Singh ◽  
Jasminder Singh ◽  
Craig E. Banks
Keyword(s):  
Schiff Base ◽  
Screen Printed Electrode ◽  
Trace Level ◽  
Selective Determination ◽  
Screen Printed

High-resolution microscopy of twin boundaries in gold

1987 ◽  
Vol 45 ◽  
pp. 260-261
Author(s):  
William Krakow ◽  
David A. Smith
Keyword(s):  
High Resolution ◽  
Specimen Preparation ◽  
Gold Films ◽  
Boundary Area ◽  
Transmission Electron ◽  
Recent Developments ◽  
Tilt Boundaries ◽  
High Resolution Microscopy ◽  
Twist Boundaries

Recent developments in specimen preparation, imaging and image analysis together permit the experimental determination of the atomic structure of certain, simple grain boundaries in metals such as gold. Single crystal, ∼125Å thick, (110) oriented gold films are vapor deposited onto ∼3000Å of epitaxial silver on (110) oriented cut and polished rock salt substrates. Bicrystal gold films are then made by first removing the silver coated substrate and placing in contact two suitably misoriented pieces of the gold film on a gold grid. Controlled heating in a hot stage first produces twist boundaries which then migrate, so reducing the grain boundary area, to give mixed boundaries and finally tilt boundaries perpendicular to the foil. These specimens are well suited to investigation by high resolution transmission electron microscopy.

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