ABSTRACT Phosphorus (P) cycling is an important yet poorly studied aspect of the macronutrient balance in tropical rainforest ecosystems. As soil P occurs different organic and inorganic forms (fractions) with varying degrees lability, we hypothesized that these fractions will vary between types, temporally within types. Additionally, a direct influence leaf litterfall input on total fractions....

Chronic exposure to high concentrations of PO induced inflammation in the respiratory nasal mucosa (RNM) of rodents and, for concentrations >or= 300 ppm, caused nasal tumors. Considering the nose to be the most relevant target organ for PO-induced tumorigenicity, we developed a physiological toxicokinetic model for PO in rats and humans. It includes compartments for arterial, venous, and pulmon...

Quantifying relative affinities of Po and Pb in different populations of marine particulate matter is of great importance in utilizing Po as a tracer for carbon cycling. We collected and analyzed water samples for the concentrations of dissolved and total Po and Pb from the upper 600 m of the water column at Bermuda Timeseries Study site (September 1999 to September 2000) to investigate their s...

BACKGROUND Bariatric surgery helps significantly in weight loss. Little is known whether the change in body shape and size is enough to meet the expectations created preoperatively. AIM To evaluate the different perceptions of body size and shape before and after bariatric surgery. METHOD A total of 423 patients were evaluated by Nine-figure Outline Scale. Of these, 32% were pre-surgery (Pr...

Parathyroid hormone-related protein (PTHrP) is widely expressed in the fibrous outer layer of the periosteum (PO), and the PTH/PTHrP type I receptor (PTHR1) is expressed in the inner PO cambial layer. The cambial layer gives rise to the PO osteoblasts (OBs) and osteoclasts (OCs) that model/remodel the cortical bone surface during development as well as during fracture healing. PTHrP has been im...

Dually modified regular maize starch (RMS) and high-amylose (HAMS) were successfully prepared by first acid hydrolysis subsequently hydroxypropylation. The effects of time (0–24 h) propylene oxide (PO) content (10–30%) on the structure physicochemical properties investigated. molar substitution (MS) HAMS samples (up to 0.163) was generally higher than that RMS 0.149), suggesting reactivity amyl...

Kirby Institute, University of New South Wales, Sydney, NSW 2052, Australia. Nganampa Health Council, PO Box 2232, Alice Springs, NT 0871, Australia. National Aboriginal Community Controlled Health Organisation, PO Box 5120, Braddon, ACT 2612, Australia. James Cook University, Townsville, Qld 4811, Australia. Aboriginal Health Council of South Australia, PO Box 981, Unley, SA 5061, Australia. A...

Atopic dermatitis (AD) is a chronic, pruritic, and allergic skin disease in humans and animals, particularly dogs. Canine AD (cAD) has received attention as a spontaneous atopic animal model because domesticated dogs inhabit a human environment, and cAD shares several clinicopathological features with human AD (hAD). In hAD, periostin (PO) is suggested to play a critical role in the enhancement...

Mathematical models have predicted the existence of Po(2) gradients between erythrocytes in capillaries in the usual case where plasma contributes substantial resistance to oxygen diffusion. According to theoretical predictions, these gradients could be detected as rapid Po(2) fluctuations (erythrocyte-associated transients, EATs) along the capillary. However, verification of a model and correc...