The phrase "a prepared solution" is correct and usable in written English.
It can be used when referring to a solution that has been made ready in advance for a specific purpose or problem.
Example: "Before the meeting, we should have a prepared solution to address the client's concerns."
Alternatives: "an established solution" or "a ready-made solution."
The images clearly reveal that hexagonal Ag/Pt nanoshells were successfully prepared via the galvanic displacement reaction by adding Pt2+ ions to a prepared solution of Ag hexagonal nanotemplates, as shown in the inset of Fig. 1b.
A prepared solution was transferred to the reactor and after adjusting the temperature, the UV lamp was switched on to initiate the process.
A prepared solution of Eosin was distributed into different flasks (100 ml capacity) and pH was adjusted with the help of the pH meter.
Decolorization experiments are conducted at room temperature with a prepared solution of 40 mg/L MB dye in a 100-mL beaker.
The X-ray powder diffraction (XRD) patterns of samples are examined by Bruker D8 focus X-ray powder diffractometer (Bruker Corporation, Billerica, MA, USA) with Cu Kα radiation at λ = 1.5406 Å. Photocatalytic degradation of organic dye methyl orange (MO) is conducted under visible light at room temperature with a prepared solution of 100 mg/L AgCl powder and 20 mg/L MO dye in a 100-ml beaker.
The protein mixtures (20 μL) were then added to 180 μL a prepared solution containing 200 μM GTP (substrate), 5 mM MgCl2, and 1× buffer [50 mM Tris base and 10 mM MgCl2 (pH 7.5)].
The circulatory system was rinsed with phosphate-buffered saline and a freshly prepared solution of a lowviscosity resin, Mercox CL-2B (Dainippon Ink & Chemicals, Tokyo, Japan) was injected along the same route.
A freshly prepared solution of the compound (containing a yellow dye) was prepared and used immediately, according to the manufacturer recommendations.
Mice were anesthetized by an intraperitoneal injection of a freshly prepared solution of 75 mg/kg ketamine (Pfizer) and 10 mg/kg xylazine (Calier).
For each experiment, a freshly prepared solution as well as a cleaned set of electrodes is used at constant temperature ±1° C using a circular water thermostat.
Peroxidase activity was measured after a 20 min incubation in a freshly prepared solution of 4-chloro 1-naphtol (0.2 mg/ml) in TBS containing 0.006% (w/v) hydrogen peroxide.
