The phrase "alone is needed" is correct and usable in written English.
It can be used to express that something by itself is sufficient or necessary without any additional elements.
Example: "In this situation, your support alone is needed to make a difference."
Alternatives: "only this is required" or "this alone suffices."
Whereas, a new form of capitalism that looks at sustainability in a more holistic way that views sustainability from the lens of the sustainability of all of its stakeholders, rather than environmental sustainability alone, is needed.
Helker, Schuermann et al. show that Elabela alone is needed to guide the angioblasts to the right part of the embryo during blood vessel development.
It is clear that for these patients a more effective strategy for reducing secondary CNS lymphoma beyond IT chemotherapy alone is needed.
The score calls for an orchestra of some 120 players, including 10 percussionists (5 alone are needed for the mallet instruments, like the xylophone and marimba), 3 performers on the ondes martenot and a chorus of more than 100.
Considering current available evidence, Chiang suggests discontinuation of the overused medication with the addition of preventive medication and hopes "Studies on preventive medications plus early discontinuation vs preventive treatment alone vs early discontinuation alone are needed" [20].
It is estimated that over 300 million nets alone are needed.
A control arm for surgery alone was needed, but difficult to obtain [ 26].
Equieffective doses of both drugs alone are needed to calculate the expected dose in a combination.
Further studies testing the ability of the system to work by using SV optimization alone or PPV/SVV optimization alone are needed.
When RNAi alone was needed, RNAiMax (Invitrogen) was used for transfection following the manufacturer's protocol, and the combinations of plasmid and siRNA were transfected by Lipofectomine 2000 (Invitrogen).
Further examination of the other members of this group and of just the CRF domain alone are needed to determine if this domain is specifically involved in cytokinin regulation of these proteins.
