At the beginning and at the end of the experiment, the total ammonia was measured and the nonionized
ammonia was calculated (<0.001mg/L).
At present, the most effective and widely used method is to use nonionized
polymer polyethylene glycol (PEG) to modify the PLGA [9,15].
When the pH value is higher than 7, the adsorption capacities of ammoniacal nitrogen decrease, because the ammonium ion is transformed to nonionized
forms of ammonia gas, which is unfavorable for adsorption on X/AC composite [36-38].
US has some advantages over MRI and CT, like its nonionized
characteristics and the fact that it is inexpensive .
Captions: FIGURE 2: Abdominal CT scan of the abdomen after 300 mL rectal gastrografin and 100 mL intravenous nonionized
1743 [cm.sup.-1] is indicative of the stretching group C=O of nonionized
carboxylic acid (methylated or protonated).
In order to determine the quantities of ROS produced by the oocytes, oocytes were measured by nonionized
2,7-dichlorodihydrofluorescein diacetate (DCFH-DA), a nonfluorescent probe, which is converted to the sensitive fluorescent compound 2,7-dichlorofluorescein (DCF) when oxidized by intracellular ROS .
The remainder is either bound to the plasma proteins (about 40%) or complexed in the nonionized
form with anions such as phosphate and citrate (about 10%).
This substance was specially developed for removal of anions of organic acids and for removal of nonionized
mediums and high molecular organic compounds .
Local anesthetics exists in two forms; the nonionized
, lipid soluble free base and the water soluble ionized form.
Also, -COOH groups within the network remained almost nonionized
; thus imparting almost non-polyelectrolyte behavior to the gel .
Employing Eq 1 at pH 3, one can realized that the nonionized
fraction equals to 11.48 times higher than the ionized fraction whereas at pH 7 the nonionized
fraction equals to 0.001 of the ionized faction.