scholarly journals Environmental effects of Potamogeton crispus population in Lake Xuanwu, Nanjing

2007 ◽  
Vol 19 (5) ◽  
pp. 572-576 ◽  
Author(s):  
YANG Wenbin ◽  
◽  
WANG Guoxiang
Keyword(s):  
Environmental Effects ◽  
Potamogeton Crispus ◽  
Lake Xuanwu

Environmental effects by introducing Potamogeton crispus to recover a eutrophic Lake

2018 ◽  
Vol 621 ◽  
pp. 360-367 ◽  
Author(s):  
Xiuyun Cao ◽  
Lingling Wan ◽  
Jian Xiao ◽  
Xiaoyan Chen ◽  
Yiyong Zhou ◽  
...  
Keyword(s):  
Environmental Effects ◽  
Eutrophic Lake ◽  
Potamogeton Crispus

Imaging molecules adsorbed onto electrodes under potential control by scanning probe microscopy

1991 ◽  
Vol 49 ◽  
pp. 376-377 ◽  
Author(s):  
N.J. Tao ◽  
J.A. DeRose ◽  
P.I. Oden ◽  
S.M. Lindsay
Keyword(s):  
Surface Charge ◽  
Environmental Effects ◽  
Scanning Probe Microscopy ◽  
Statistical Significance ◽  
Electrochemical Methods ◽  
Surface Structures ◽  
Scanning Probe ◽  
Potential Control ◽  
Afm Imaging ◽  
Special Circumstances

Clemmer and Beebe have pointed out that surface structures on graphite substrates can be misinterpreted as biopolymer images in STM experiments. We have been using electrochemical methods to react DNA fragments onto gold electrodes for STM and AFM imaging. The adsorbates produced in this way are only homogeneous in special circumstances. Searching an inhomogeneous substrate for ‘desired’ images limits the value of the data. Here, we report on a reversible method for imaging adsorbates. The molecules can be lifted onto and off the substrate during imaging. This leaves no doubt about the validity or statistical significance of the images. Furthermore, environmental effects (such as changes in electrolyte or surface charge) can be investigated easily.

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