Such highstand deltas promote the retention of high volumes of sand on the aggrading shelf and coastal plain, and thus potentially have a reduced sand budget available for delivery to the deeper water areas.
However, a compound with a similar retention time on high-performance liquid chromatography (HPLC) to nystatin A1 and with a molecular ion of m/z 1088.6 was identified.
While our review did not focus on retention of study participants, some authors commented on high retention rates which they attributed to certain strategies including the collection of alternative contacts for highly mobile subjects, birthday cards, and gifts for subjects [ 26, 34].
Interventions to improve retention in care focused on high risk patients early after ART initiation are urgently needed.
Recruitment and retention appear high on NHLBI's agenda; developing "workforce and resources" is one of the four strategic goals mentioned in its appeal and that includes "cultivating a diverse next generation".
CO2 retention on mechanical ventilation despite high P-plat (> 30 cm H2O) 4.
The ultrafiltrate-to-saline ratio was 46% ± 3% in test scans and 46% ± 3% in retest scan, indicating a high retention on the filter.
A low molecular weight polar compound might only be detectable by high retention on a polar column and might be undetectable because of lower retention on a non-polar column.
On the other hand, we have found before that, while low VEGF levels allow pericyte retention on the remodeling vessels, high VEGF levels cause pericytes to disappear in the early stages of vessel activation (Gianni-Barrera et al, 2013), consistently with the described anti-pericyte effect of VEGF through the formation of non-functional VEGF-R2/PDGF-Rβ heterodimers (Greenberg et al, 2008).
While the keratin sulphate concentration on the films provides good indication of its production by the cells, it is worth noting that the higher concentration associated with HC films may result also from a higher retention on the microporous surface.
