Role of Zinc(II) in .beta.-Lactamase II: A Model Study with a Zinc(II)-Macrocyclic Tetraamine (1,4,7,10-Tetraazacyclododecane, Cyclen) Complex

1994 ◽  
Vol 116 (19) ◽  
pp. 8443-8449 ◽  
Author(s):  
Tohru Koike ◽  
Masahiro Takamura ◽  
Eiichi Kimura
Keyword(s):  
Beta Lactamase ◽  
Model Study ◽  
Beta Lactamase Ii

scholarly journals Role of the beta-lactamase of Campylobacter jejuni in resistance to beta-lactam agents.

1991 ◽  
Vol 35 (5) ◽  
pp. 813-818 ◽  
Author(s):  
N Lachance ◽  
C Gaudreau ◽  
F Lamothe ◽  
L A Lariviere
Keyword(s):  
Campylobacter Jejuni ◽  
Beta Lactamase ◽  
Beta Lactam

scholarly journals A multi-box model study of the role of the biospheric metabolism in the recent decline of δ18O in atmospheric CO2

Tellus B ◽  
2002 ◽  
Vol 54 (4) ◽  
pp. 307-324
Author(s):  
Misa Ishizawa ◽  
Takakiyo Nakazawa ◽  
Kaz Higuchi
Keyword(s):  
Atmospheric Co2 ◽  
Box Model ◽  
Model Study

scholarly journals Role of intertidal wetlands for tidal and storm tide attenuation along a confined estuary: a model study

2015 ◽  
Vol 3 (5) ◽  
pp. 3181-3224 ◽  
Author(s):  
S. Smolders ◽  
Y. Plancke ◽  
S. Ides ◽  
P. Meire ◽  
S. Temmerman
Keyword(s):  
Surface Area ◽  
Wave Attenuation ◽  
Spring Tide ◽  
Storm Surges ◽  
High Water ◽  
Water Levels ◽  
Storm Tide ◽  
Flood Risks ◽  
Model Study

Abstract. Coastal lowlands and estuaries are subjected to increasing flood risks during storm surges due to global and regional changes. Tidal wetlands are increasingly valued as effective natural buffers for storm surges by dissipating wave energy and providing flood water storage. While previous studies focused on flood wave attenuation within and behind wetlands, this study focuses on the effects of estuarine wetland properties on the attenuation of a storm tide that propagates along the length of an estuary. Wetland properties including elevation, surface area, and location within the estuary were investigated using a numerical model of the Scheldt estuary (Belgium, SW Netherlands). For a spring tide lower wetland elevations result in more attenuation of high water levels along the estuary, while for a higher storm tide higher elevations provide more attenuation compared to lower wetland elevations. For spring and storm tide a arger wetland surface area results in a better attenuation along the estuary up to a threshold wetland size for which larger wetlands do not further contribute to more attenuation. Finally a wetland of the same size and elevation, but located more upstream in the estuary, can store a larger proportion of the local flood volume and therefore has a larger attenuating effect on upstream high water levels. With this paper we aim to contribute towards a better understanding and wider implementation of ecosystem-based adaptation to increasing estuarine flood risks associated with storms.

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