The phrase "an initial step at" is correct and usable in written English.
It can be used when discussing the first action or measure taken in a process or project.
Example: "Implementing a new training program is an initial step at improving employee performance."
Alternatives: "a preliminary action in" or "a first measure towards".
As an initial step, at least, the US should insist that Pakistan, Saudi Arabia, and the UAE use their leverage with the Taliban to arrest Bin Laden - or face serious consequences themselves.
The PCR program consisted of an initial step at 95 °C for 5 minutes, followed by 35 cycles of 95 °C for 0.5 minutes, 57 °C for 2 minutes and 72 °C for 1 minute, and a final elongation step at 60 °C for 30 minutes.
The amplification temperature profile consisted of an initial step at 50 °C for 10 min; 40 cycles of 95 °C for 15 s and annealing at 60 °C for 1 min; and a dissociation curve consisting of 95 °C for 15 s, 60 °C for 30 s and 95 °C for 15 s.
PCR amplification was conducted with an initial step at 95°C for 1 min followed by 40 cycles of 5 s at 95°C, 10 s at 60°C and 30 s at 72°C.
Thermal cycling consisted of an initial step at 95°C for 10 minutes followed by 40 cycles of 95°C for 15 seconds and 60°C for 1 minute.
Each amplification cycle consisted of an initial step at 95°C (5 minutes), followed by 45 cycles of denaturation at 95°C (10 seconds), annealing at 60°C (15 seconds), and extension at 72°C (15 seconds).
In an initial step, APP is cleaved at a juxtamembrane position at the luminal side of the membrane.
As an initial step have a look at the commission's guidance outlining the six key duties of trustees and explaining the legal responsibilities.
Cycling conditions were a reverse transcription step at 50°C for 30 min, an initial denaturation step at 95°C for 15 min to activate the HotStarTaq DNA Polymerase (QIAGEN), and amplification for 40 cycles.
PCR steps for the amplification were as follows: an initial denaturation step at 95°C for 5 min followed by 30 cycles of a 30 sec denaturation step at 95°C, 30 sec annealing at 60°C and 60 sec elongation at 72°C.
Reactions were run on Applied Biosystems thermal cyclers (Step One and 7900 Fast) with an initial activation step at 95 °C for 20 s followed by 50 cycles of 95 °C for 1/3 s and 60 °C for 20/30 s (Step One/7900 Fast).
