Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, Safety of R-5-(2-Aminopropyl)-2-methoxybenzenesulfonamide112101-81-2, Name is R-5-(2-Aminopropyl)-2-methoxybenzenesulfonamide, SMILES is N[C@@H](CC1=CC(=C(C=C1)OC)[S](=O)(=O)N)C, belongs to amides-buliding-blocks compound. In a article, author is Liu, Na, introduce new discover of the category.
The present survey reports on the colloidal stability of aqueous dispersions of nitrogen-rich carbon nanodots (N-CDs). The N-CDs were synthesized by thermally induced decomposition of organic precursors and present an inner core constituted of a beta-C3N4 crystalline structure surrounded by a surface shell containing a variety of polar functional groups. N-CDs size and structure were checked by combined analysis of XRD (X-ray Diffraction) and TEM (Transmission Electron Microscopy) measurements. FTIR (Fourier-Transform Infrared Spectroscopy) experiments revealed the presence of carboxyl and amide groups on N-CDs surface. Towards a better understanding of the relation between colloidal stability and surface charge development, zetametry experiments were applied in N-CDs dispersions at different pHs and constant ionic strength. The increase of the absolute values of zeta potential with the alkalinization of the dispersion medium is consistent with the deprotonation of carboxyl groups on N-CDs surface, which agrees with the macroscopic visual observations of long-term colloidal stability at pH 12. The saturation value of N-CDs surface charge density was evaluated by means of potentiometric-conductometric titrations. The difference between carboxyl-related surface charge and the one determined by zeta potential measurements point to the presence of oxidized nitrogen functionalities onto the N-CDs surface in addition to carboxyl groups. These novel results shed light on the electrostatic repulsion mechanism that allows for the remarkable colloidal stability of N-CDs dispersions.
Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions. you can also check out more blogs about 112101-81-2. Safety of R-5-(2-Aminopropyl)-2-methoxybenzenesulfonamide.
Reference:
Amide – Wikipedia,
,Amide – an overview | ScienceDirect Topics