"buffer by" is a correct and usable phrase in written English.
It means to reduce the effect of, or lessen the impact of something. For example: "The padding of the walls helped to buffer by the loud noise from outside."
Proteins were eluted in SDS sample buffer by incubating at 60 °C for 30 min.
Fidelity suggests that each fund build its own buffer by putting aside retained earnings (ie, shareholder funds).
The Giants kicked the next five majors to set up a 17-point buffer by half-time and two opportunistic goals to veteran forward Steve Johnson swelled their advantage to 34 points by the final change.
The public support given to the heroics of a post-9/11 volunteer army have been used as a buffer by the Bush administration to avoid admitting any real culpability with regard to the fiasco.
Sharing the same template and buffer by these two enzymes largely simplifies experimental procedures.
In particular, packet of length is considered as a buffer by the transmitting node (source node).
We have determined the resolution of the buffer by trial and error.
Also, trials were made by replacement of buffer by 0.1 M HCl or NaOH.
During a recording the data is stored in an upload buffer by the upload manager.
The dense white ZG band was collected, pooled, and washed with homogenization buffer by recentrifugation.
Buffer, by way of background, is a social media scheduling service, which also offers tools that help you determine the best time to publish.
