AM has NH2 group with two active hydrogen atoms, which was prone to be initiated by the initiator and produce more copolymer active centers, possibly leading to excessively vigorous reaction and thus lower degree of polymerization (Ma et al. 2014).
In studies of biomass composition, Ralph and coworkers have reported that upon vigorous planetary ball milling, the degree of polymerization of cellulose decreased from 7 to 10,000 in the plant cell walls to ~25 in milled material [ 11, 35].
Active immunization of mice with recombinant PotD induces a vigorous antibody response and provides a significant degree of protection against lethal pneumococcal infection [ 79].
This may mean that moderate-to-vigorous physical activity is more important than light-intensity activity in relation to insulin resistance, although we acknowledge that light activity may be measured with a greater degree of error than moderate and vigorous activity.
In our study, a high degree of antibody persistence and a vigorous booster response was seen for all vaccine antigens including PRP in both groups, indicative of effective priming and induction of immune memory with both vaccines.
(It will be interesting to see whether, in years and decades to come, today's trenchant and vigorous critical discussion, largely driven by the Internet, will undergo the same degree of historical revision as earlier generations' print criticism).
However, because the number of individuals reporting any vigorous activity was small (n = 133, 10.8% of the cohort) and mean time spent in vigorous activity was just 2.4 min per day, this finding should be taken with a degree of caution.
The skin has such vigorous healing properties, however, that widespread injury, as in thermal burns, may be followed by a marked degree of regrowth of the injured or diseased areas, with a disproportionally small degree of scarring.
Moreover, both countries have experienced a degree of social and economic change characterized by rapid economic development and a rapid decline in fertility accompanied by vigorous family planning campaigns by the Government and easy access to abortion facilities [12].
