The phrase "a modification of previously reported" is correct and usable in written English.
It can be used when discussing changes or updates to information that has been shared or published before.
Example: "This study presents a modification of previously reported findings on the effects of the drug."
Alternatives: "an alteration of earlier reported" or "a revision of previously disclosed".
The CdSe NCs were prepared using a modification of previously reported method [31].
Nanostructured MnO2 was prepared by reducing Mn acac 2 in a polyol medium according to a modification of previously reported protocols [23, 30].
Radiosurgery was delivered using a modification of previously reported protocol [ 18].
In addition, we generated NPCs from another independent hESC line (H9 line) using a 3-inhibitor neural induction method, which was a modification of previously reported protocols.
[ C]raclopride was prepared by O-[ C]methylation of (S)- O-desmethylraclopride HBr (ABX Advanced Biochemical Compounds, Radeberg, Germany) using a modification of previously reported procedures.
The aryl diazo derivative MRS5543 was prepared from commercially available APNEA and purified to homogeneity using a modification of previously reported methods.
Diphenhydramine was determined by ultra-performance liquid chromatography (UPLC®) with a UV detector by modification of previously reported methods [ 16, 17].
1-/2-Substituted-[1,2,3]triazolo[4,5-g]phthalazine-4,9-diones were synthesized by 1,3-dipolar addition of phthalazine-5,8-dione and 4-methoxybenzyl azide by modification of previously reported method.
The acetylcholinesterase (AChE electrical eel, Type VI-S, EC 3.1.1.7; Sigma) and butyrylcholinesterase (BuChE equine serum EC 3.1.1.8; Sigma) inhibitory activities of Ir.Cr were determined subsequent to minor modification of previously reported spectrophotometric method [ 42] by using 96-well plate reader Synergy HT, Biotek, USA, taking eserine (0.25 mM per well) as standard inhibitor.
