Ortho nitrophenol is more volatile than para nitrophenol becauseO-Nitrophenol has intramolecular hydrogen bondingwhereas para nitrophenol has inter molecular H bonding and so boils relatively at higher temperature. Why is Ortho Nitrophenol more acidic than meta nitrophenol? An inductive effect is an electr...
Acidity is a property of a given atom or functional group that determines how well the group can stabilize a charge that will be present upon the donation of electrons from a Lewis base. The more stable the conjugate base of the acid is, the more acidic the compound. ...
First, we noticed a higher oxidative stress (Hydroxyprobe positive) in hippocampus neurons after mild TBI but lower levels in the cortex region in the same experiments; oxidative stress in cortex is less severe than in hippocampus (Oxidative stress in cortex related data is not been published; ...
Consider the reaction between a weak acid (HA) and a weak base (B). If the pKa of HA was 4.8 and the pKa of BH+ was 10.3, what would be the value of the equilibrium constant? The ammonium ion (NH_4^+, pK_a = 9.25) has a lower pK_a than the methylammonium ion (CH_3NH_3...
and consequently a fraction of the fluoride becomes unavailable for adsorption. Our experimental minimum pH condition was 3.5, so this pH may be close to the higher pH adsorption value 由于HF在解答微弱地被电离在低酸度值价值(pKa ? 3.2),氟化物对应的举起减少在酸性酸碱度,并且因而氟化物的分数变得无...
Hint: The buffer capacity of a buffer solution is a measurement of its magnitude of its resistance to change in pH on addition of an acid or a base, buffer capacity depends on the ratio of salt and acid, if a buffer solution has higherconcentrationits buffer capacity will be greater....
Third step: In this step, HPO42− donates the second acidic proton to water to form PO43−. Again, HPO42− is a weaker acid than H2PO4− and H3PO4 (indicating a higher pKa value of 12.37) so it becomes more difficult for HPO42− to remove the third acetic proton in an ...
Enlarged mCh-Atg8a-positive autolysosomes decorated by a well-defined LAMP1-GFP- positive ring were readily detected in cells depleted for V1H (insets in Fig. 3a), and the correlation coefficient between mCh- Atg8a and LAMP1-GFP was significantly higher than controls (Fig. 3b). ...
(K+-efflux) is a critical step for the progress of RCD induced by lactoferrin, as it is in higher eukaryotic cells [2]. Furthermore, we identified Pma1p H+-ATPase (type P3A) as the molecular target of lactoferrin on the plasma membrane, the first reported RCD receptor in fungi [4]....
Moreover, cellular uptake of isoxazole derivative was four times higher, while mean cellular antiproliferative potency for human cancer cell lines was even nine times higher for 42 (GI50 78 ± 15 nmoL/L for compound 42 and 685 ± 119 nmoL/L for VER-49009 (41)). Isoxazolo-fused nap...