The phrase "as recommended in the protocol" is correct and usable in written English.
You can use it when referring to specific guidelines or procedures that are outlined in a formal document or protocol.
Example: "The experiment was conducted as recommended in the protocol to ensure accurate results."
Alternatives: "as outlined in the protocol" or "according to the protocol".
Briefly, bacterial suspension was prepared with an appropriate level of bacterial density, as recommended in the protocol of the instrument.
The plasma samples were first diluted as recommended in the protocol for each Milliplex MAP assay.
Slides were washed and scanned as recommended in the protocol, then analyzed using Agilent Feature Extraction Software.
The cRNA was synthesized by incubating cDNA samples with 5× Transcription Buffer, 0.1 M DTT, NTP mix, Cyanine 3-CTP (Cy3) and T7 RNA Polymerase Blend (Agilent Low Input Quick Amp Labeling Kit) at 40°C for 2 h and purified using Qiagen RNeasy Mini spin columns as recommended in the protocol.
Antibody dilutions, incubation times, blocking and rinsing were carried out as recommended in the protocols provided by the antibody vendors.
Chloroform (90 μL) was added and extraction continued as recommended in the Trizol protocol.
The other split sample was centrifuged at 1000 g for 20 minutes as recommended in the Health Protection Agency protocol [ 25].
Serum creatinine was measured by the modified kinetic method of Jaffé and corrected for NHANES 1999 2000 as recommended in the study protocol (NCHS 2006a, 2007b, 2007c).
The conditions for amplification were as follows: 5 minutes at 94°C, 45 cycles of 30 seconds at 94°C, 30 seconds at 56°C, and 30 seconds at 72°C (as recommended in the manufactures protocol).
Yields of total RNA for PBMC samples were generally low and for the majority of patients it was not possible to use the standard amount of total RNA (≥ 5 μg) as recommended in the standard protocol.
Observation of interviewers while health workers were examining sick children - Nearly half of the trained workers, especially the paramedics, were not comprehensively examining the sick children as recommended in the IMCI protocols.
