ライフサイエンスコーパス: carbonic acid

1 c rate because of the accelerating effect of carbonic acid.

2 similar role through its prior conversion to carbonic acid.

3 lting from the formation and dissociation of carbonic acid.

4 the absence and presence of bicarbonate and carbonic acid.

5 pH in these mixtures due to the formation of carbonic acid.

6 Herein, we report that carbonic acid, a thermodynamically disfavored species th

7 n, despite partial equilibration of CO2 with carbonic acid-a low pKa acid.

8 K(2) and K(3) describe carbonic acid acidity, and ammonium ion acidities K(4) w

9 Twenty years ago two different polymorphs of carbonic acid, alpha- and beta-H2CO3, were isolated as t

10 the general acid-assisted rate constants for carbonic acid and bicarbonate ion were estimated for the

11 to the aqueous surface layer, reacts to form carbonic acid, and is subsequently expelled from solutio

12 CmpA binds carbonic acid at the entrance to the ligand-binding pock

13 It has been known for some time that carbonic acid can be separated from strong acids by ion

14 n potential generated by the dissociation of carbonic acid, colloidal particles move either away from

15 ot find evidence for centrosymmetric (C(2h)) carbonic acid dimers here.

16 roups forming an asymmetric nucleosidic 5'-O-carbonic acid ester has been designed to enable heat-ind

17 acterize the structure and properties of the carbonic acid-fluoride complex, F(-)(H(2)CO(3)), and its

18 R can result from both oxidative metabolism (carbonic acid formation) and glycolysis (lactate release

19 carbon dioxide lowers the solution pH due to carbonic acid formation.

20 Since CO(2) is carbonic acid gas, it will decrease the pH if added to w

21 Carbonic acid H(2)CO(3) (CA) is a key constituent of the

22 ncentrations of dissolved carbon dioxide and carbonic acid (H(2)CO(3)).

23 ion reactions and competing equilibria among carbonic acid (H(2)CO(3))/bicarbonate (HCO(3)(-)) and a

24 leic acid on silica stationary phase using a carbonic acid (H(2)CO(3)*) eluent with and without a min

25 and the analogous carbamic (NH(2) COOH) and carbonic acids (H(2) CO(3) ).

26 Carbonic acid (H2CO3), highly unstable at ambient condit

27 oduction and detection of key intermediates: carbonic acid (HOCOOH) and the recently reported methane

28 adopts a C(2 v) symmetry structure with the carbonic acid in a planar trans-trans conformation and b

29 -H2CO3 adds a new aspect to the chemistry of carbonic acid in astrophysical environments, especially

30 have succeeded in isolation of undecomposed carbonic acid in the matrix and recondensation after rem

31 ce the energetics of CO(2) hydration to form carbonic acid in water, independent of the level of QM t

32 ticipates, on the basis of its aquation into carbonic acid, in hydrogen evolution.

33 tal observations and results suggest that if carbonic acid is sufficiently abundant in space, then me

34 osystems, dissolution of primary minerals by carbonic acid is the predominant weathering pathway that

35 molecules unambiguously reveal two different carbonic acid monomer conformers (C(2v) and C(s)).

36 nd the enzymatic hydrolysis of CO(2) to form carbonic acid on the surface of water.

37 the sluggish proton supply via a protonated carbonic acid pathway involving a surface hydride transf

38 acidity reveals the importance of protonated carbonic acid (PCA) as a reaction intermediate.

39 hydrolytic process that generates protonated carbonic acid (PCA) as the precursor of CO2.

40 Estimation of the net rate of endogenous non-carbonic acid production (NEAP) from dietary protein and

41 fixed carbon includes respiratory CO(2) and carbonic acid that propagate to the base of the critical

42 carbon dioxide-to yield the achiral product carbonic acid through a zinc hydroxide intermediate.

43 bon dioxide system, previously identified as carbonic acid, was observed in the high-pressure diamond

44 (2) is converted via carbonic anhydrase into carbonic acid, which excites lingual nociceptors that pr

45 ransition of bicarbonate into nondissociated carbonic acid, which reduces the total concentration of