In‐situ activation/dedoping induced defective carbon sponge for enhanced oxygen reduction electrocatalysis

2021 ◽  
Author(s):  
Keyan Wei ◽  
Hongmei Zheng ◽  
Jingting Hou ◽  
Zeming Tang ◽  
Jing Zheng ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
In Situ Activation

A green and facile method toward synthesis of waste paper-derived 3D functional porous graphene via in situ activation of cobalt(ii)

2015 ◽  
Vol 3 (31) ◽  
pp. 16072-16078 ◽  
Author(s):  
Dan Xu ◽  
Yan Xie ◽  
Yu-Jiang Song ◽  
Wei-Qiao Deng
Keyword(s):  
Carbon Source ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduction Reaction ◽  
Waste Paper ◽  
Efficient Production ◽  
Porous Graphene ◽  
In Situ Activation ◽  
Facile Preparation

Using waste paper as a carbon source, a strategy for the efficient production of Co3O4/Co@porous graphene as a catalyst for the oxygen reduction reaction was developed, which provides a direction for facile preparation of functional porous graphene from wastes.

A Photoactivatable α5β1-Specific Integrin Ligand

2018 ◽  
Author(s):  
Roshna Vakkeel ◽  
Aleeza Farrukh ◽  
Aranzazu del Campo
Keyword(s):  
Cellular Response ◽  
Light Exposure ◽  
Matrix Composition ◽  
Cellular Behavior ◽  
Dynamic Variations ◽  
In Situ Activation ◽  
Controlled Exposure ◽  
Cellular Behaviour ◽  
Integrin Ligand

In order to study how dynamic changes of α5β1 integrin engagement affect cellular behaviour, photoactivatable derivatives of α5β1 specific ligands are presented in this article. The presence of the photoremovable protecting group (PRPG) introduced at a relevant position for integrin recognition, temporally inhibits ligand bioactivity. Light exposure at cell-compatible dose efficiently cleaves the PRPG and restores functionality. Selective cell response (attachment, spreading, migration) to the activated ligand on the surface is achieved upon controlled exposure. Spatial and temporal control of the cellular response is demonstrated, including the possibility to in situ activation. Photoactivatable integrin-selective ligands in model microenvironments will allow the study of cellular behavior in response to changes in the activation of individual integrins as consequence of dynamic variations of matrix composition.

Comparative study of MoS2 and Co/MoS2 catalysts prepared by ex situ/in situ activation of ammonium and tetraalkylammonium thiomolybdates

2004 ◽  
Vol 210 (1-2) ◽  
pp. 105-117 ◽  
Author(s):  
L. Alvarez ◽  
J. Espino ◽  
C. Ornelas ◽  
J.L. Rico ◽  
M.T. Cortez ◽  
...  
Keyword(s):  
Comparative Study ◽  
Ex Situ ◽  
In Situ Activation ◽  
Mos2 Catalysts

Efficient Transamidation of Primary Carboxamides by in Situ Activation withN,N-Dialkylformamide Dimethyl Acetals

2006 ◽  
Vol 128 (50) ◽  
pp. 16406-16409 ◽  
Author(s):  
Thomas A. Dineen ◽  
Matthew A. Zajac ◽  
Andrew G. Myers
Keyword(s):  
In Situ Activation
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