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The sorption isotherms of Scots pine (Pinus sylvestris L.) wood were determined. The experiments were carried out for wood previously dried in industrial batch and progressive kilns according to various drying schedules. The experiments per-formed made it possible to determine the influence of different drying technologies,as well as parameters, on the sorption characteristics of kiln-dried Scots...
Mixed reflux of the gastroduodenal contents induces the esophageal mucosal damage and inflammation progressing chronic esophagitis and premalignant Barrett's esophagus (BE). The role of cyclooxygenase-2 (COX-2) and chronic inflammation in the progression of BE toward adenocarcinoma of the esophagus has not been extensively studied in experimental models of BE in animals and in human subjects. We evaluated...
Bile salts play an important pathogenic role in the development of Barrett adenocarcinoma (BA). However, the precise role of different bile salts in this process is still unknown. The aim of the present study was to compare the effects of two different bile salts, deoxycholic acid (DCA) and ursodeoxycholic acid (UDCA) on the expression of COX-2, CDX-2 and DNA repair enzymes (MUTYH, OGG-1) in the Barrett...
The effect offan speed on the drying process of timber in kiln driers. The study investigated the effect of fan speed on air velocity in a stack of timber in selected types of kiln driers. The trials were conducted under technical scale conditions. The values and dispersion of air velocity were measured in the stack were measured, depending on fan speed reduced in the final stage of the drying process...
Metabolizm komponentów polisacharydowych ściany komórkowej wpływa na wiele cech fenotypowych i fizjologicznych roślin, m.in. na zmiany jędrności owoców podczas ich dojrzewania. Celem badań podjętych w 2001 roku w Zakładzie Hodowli Instytutu Sadownictwa i Kwiaciarstwa było określenie, który z genów regulujących gospodarkę celulozowo-pektynową warunkuje równocześnie jędrność owoców jako cechę typową...
Polyamines have been shown to stimulate cellular growth and differentiation, though their role in the prevention of acute gastric lesion induced by various noxious agents has been little studied. Epidermal growth factor (EGF) exhibits gastroprotective and ulcer healing properties due to its potent mitogenic and growth promoting action. This study was designed to compare the gastroprotective effects...
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