Chemical structures of the C = C bond linked covalent organic frameworks.aRepresentative two examples of 2D covalent organic frameworks with carbon–carbon double bond (C = C) linkages through Knoevenagel condensation at methylene carbon atoms by using inorganic base catalysts.bMetal-free app...
A pharmaceutical composition for the treatment of cancer comprising an effective amount of a compound having two gold(I) atoms each covalently bonded to a carbon atom in a covalent link connecting the two gold(I) atoms and a pharmaceutically acceptable excipient....
Theamino acidsin proteins are examples of acids in living systems. Long chains made of the 20 different amino acids in the body are the definition of a protein, once these chains of acids are sufficiently long. Chemical Bonds Much has been said about bonds here, but what exactly are these ...
The term “polymer” refers to any large molecule, which includes macromolecules. The term “polymer” refers to a large molecule comprising one or more types of monomer residues (repeating units) connected by covalent chemical bonds. Non-limiting examples of polymers include homopolymers, and non-...
(C12H22O11). Because carbon has four electrons in its outer shell, it donates and accepts electrons equally well, and it's the building block of all organic molecules on which life depends. All inorganic and organic molecules composed of more than one element are compounds. Examples are ...
Developing a facile strategy for the construction of vinylene-linked fullyπ-conjugated covalent organic frameworks (COFs) remains a huge challenge. Here, a versatile condition of Knoevenagel polycondensation for constructing vinylene-linked 2D COFs was explored. Three new examples of vinylene-linked 2D ...
Physical adsorption refers to the formation of a van der Waals force between the adsorption and 2DMs, while the chemical adsorption means the formation of a covalent bond between the adsorption and 2DMs. In the experiment, we can choose different adsorbents to enhance their influence on 2DMs, ...
(C12H22O11). Because carbon has four electrons in its outer shell, it donates and accepts electrons equally well, and it's the building block of all organic molecules on which life depends. All inorganic and organic molecules composed of more than one element are compounds. Examples are ...
Instead, we will provide a new insight on the mechanism for ORR and give specific examples on promoting two-electron ORR by creating different defective carbon materials. Perfect and defective graphene clusters are summarized and plotted in Fig. 8a. The Graphene with G585 divacancy defects (...
“Synthesis and Characterization of a Novel Film-Forming, Two-Photon Absorbing Benzobisthiazole Polymer and Related Model Compound”, Abstract for poster presentation at “9th International Symposium on Functional Pi-Electron Systems” Conference, Georgia Institute of Technology, Atlanta, GA, May 23-28...