But many blacks saw it as a purely political calculation intended to maintain viability with white conservatives.
The fungus was stored at 4 °C and regularly sub-cultured to maintain viability.
Several studies have shown that only microencapsulated probiotics were able to maintain viability in gastrointestinal conditions [20].
The bacterial isolates were sub-cultured on agar slants of their respective media at regular intervals to maintain viability as well as metabolic activities.
The absence of sufficient oxygen supply to maintain viability and function of encapsulated tissue has been the most critical impediment to progress.
However, a major bottleneck in this field is the lack of efficient vascularization strategies, because tissue constructs produced in vitro require a constant flow of oxygen and nutrients to maintain viability and functionality.
The design must balance affordable premiums for what many buyers may see as a discretionary cost with what, until recently, were the poorly understood demographics of Internet retail (where an understanding is needed for policy underwriting), and challenges of designing robust premium and payout schedules to maintain viability of the insurance fund.
There, traditional rural custom dictates that when a man dies, his brother, not his wife, assumes control of the family's assets, presumably on historical assumptions that minimum scale was required to maintain viability of agricultural activities.
Gulf's operations worldwide were struggling financially in the recession of the early 1980s, so Gulf's management devised the "Big Jobber" strategic realignment in 1981 (along with a program of selective divestments) to maintain viability.
In addition, samples need to be carefully handled to maintain viability of lymphocytes.
The cultures were supplemented with IL-7 to maintain viability of the cells.
