The phrase "a new stem" is correct and usable in written English.
It can be used in contexts related to botany, linguistics, or any field where the term "stem" is relevant, indicating a fresh or different version of something.
Example: "The researchers discovered a new stem of the plant that had unique properties."
Alternatives: "an additional stem" or "a fresh stem".
Last week New Jersey Governor Jim McGreevey inaugurated a new stem cell research institute for which he has requested $6.5 million, calling his state "the first... in the nation to devote public funds to stem cell research".
Clonal capacity, i.e., ability of a single stem cell to generate a new stem cell clone, is considered a measure of stemness.
The latest example of this is Dr. Lynn Fiellin's "ForAGirl Program: Engaging Girls in STEM through Video Game Research". Fiellin reached out to Merson and Parente to ask about launching a new STEM program that would reach out to young women from the New Haven community.
A new stem cell research bill is put before Congress.
Also submit a Help ticket if you need a new stem created for a group or project.
Female butterflies, if they see what appears to be an egg on a new stem, will avoid it and lay elsewhere.
The expansion comes on the heels of the construction of a new stem-cell research center.
Good news for lesbians who want to have biological children related to both parents: a new stem-cell technique could allow scientists to convert female cells into sperm.
All of that along with, preferably, a new stem-cell lab that can be used in promotional tours in turn attracts more top applicants.
It remains, they say, the place where everybody wants to be: witness the concentration of highly-qualified residents and the decision to put a new stem-cell research institute there.
The next round of LAMP reaction produces a new stem-loop DNA structure, which has a stem twice as long.
