Yes she can hydrate hydroscaffold and can be used later using the method described in the first step for coculture protocol (https://biomimesys.com/support-forum/topic/first-steps/). But, you must pay attention to the sterility and conservation conditions of hydroscaffold.
Grégory MAUBON is Chief Data Officer and digital coordinator at HCS Pharma, a biotech startup focused in high content screening and complex diseases. He manages IT missions and leads digital usages linked to company needs. He is also a Augmented Reality Evangelist (presenter and lecturer) since 2008, where he created www.augmented-reality.fr and founded in 2010 RA'pro (the augmented reality promotion association). He helped many companies (in several domains) to define precisely their augmented reality needs and supported them in the implementation.