Sentence examples for maternal nitrogen from inspiring English sources
Study Design: Pregnant sheep were randomly allocated to receive maternal nitrogen (n = 8) or compressed air (controls, n = 5) to reduce fetal brachial artery PO2 by 25% for 5 days.
Maternal exposure to nitrogen dioxide (NO2) during the entire pregnancy was estimated using cohort-specific temporally adjusted land use regression (LUR) models that were previously shown to predict 51 75% of the variation in NO2 levels at different sampling points (Estarlich et al. 2011).
Several epidemiologic studies have reported associations between maternal exposure to nitrogen dioxide (NO2) during pregnancy and fetal growth assessed by birth weight, taking into account gestational duration (e.g., Bell et al. 2007; Liu et al. 2007; Ritz and Wilhelm 2008; Slama et al. 2008 Wilhelmm and Ritz 2003).
In a study in Bulgaria, Tabacova et al. (1997) investigated the association between maternal exposure to environmental nitrogen sources and subsequent complications of pregnancy.
We assessed maternal exposure to background dioxide nitrogen (NO2) and particulate matter less than 10 μm in diameter (PM10) by attributing representative concentrations provided by permanent stations closest to the mothers' residence address after geolocalisation through Geographic Information System (GIS) [ 26].
Pregnant females were killed by cervical dislocation and placentae were dissected free of maternal tissue, immediately frozen in liquid nitrogen and stored at -70°C.
Fetal chorionic villi were separated grossly from maternal decidual and quickly frozen in liquid nitrogen for ribonucleic acid preservation.
Environmental assessments include allergen and endotoxin levels in house dust, pre- and postnatal maternal stress, and indoor air nicotine and nitrogen dioxide.
The maternal perfusate was equilibrated with 95% oxygen and 5% nitrogen, and the fetal perfusate was equilibrated with 5% oxygen and 95% nitrogen.
Tissue were rinsed in phosphate-buffered saline to wash off maternal and fetal blood, snap frozen in liquid nitrogen and stored at −80°C until assayed.
