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Cited by 26 publications
(27 citation statements)
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References 115 publications
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“…It is expected that the predominant citrate species in the pH range of 2 are the predominant citrate species out of this range. This agrees with the dissociation constants of citric acid (pK a1 =3.13, pK a2 =4.76, and pK a3 =6.40) [31]. Hence, it would be expected to reach a Nernstian slope in the pH range of 2-4 where the monovalent ion predominates, thus a glycine buffer solution of pH 3.9 was selected as the optimum pH in the study.…”
Section: Uv-vis Spectrasupporting
confidence: 61%
See 1 more Smart Citation
“…It is expected that the predominant citrate species in the pH range of 2 are the predominant citrate species out of this range. This agrees with the dissociation constants of citric acid (pK a1 =3.13, pK a2 =4.76, and pK a3 =6.40) [31]. Hence, it would be expected to reach a Nernstian slope in the pH range of 2-4 where the monovalent ion predominates, thus a glycine buffer solution of pH 3.9 was selected as the optimum pH in the study.…”
Section: Uv-vis Spectrasupporting
confidence: 61%
“…Preliminary experiments showed that they possess a strong response to di-hydrogen citrate anion (H 2 C 6 H 5 O 7 − ). Citric acid, H 3 A, is an example of a polyprotic acid as it can lose three protons with three dissociation constants of pK a1 =3.13, pK a2 =4.76, and pK a3 =6.40 [31]. When the difference between successive pK a values is less than about three, there is an overlap between the pH ranges of existence of the species in equilibrium.…”
Section: Uv-vis Spectramentioning
confidence: 97%
“…The use of neutral or alkaline nitrogen sources such as nitrate or urea might be beneficial in this respect. Their consumption does not decrease the pH, leading to a lower consumption of titrating base and thus a lower osmolarity .…”
Section: Resultsmentioning
confidence: 99%
“…[14][15][16][17][18] Examples include the citric acid production process using A. niger and penicillin production using P. chrysogenum, in which incremental improvements and new insights have been documented over many decades. 15,[19][20][21][22][23][24] The characterization of filamentous fungal hosts for expression of proteins also dominates the literature, and this field has been thoroughly reviewed in recent years. 18,25 …”
Section: Cellular Performance Of Established Fungal Cell Factoriesmentioning
confidence: 99%