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Modeling of the α-lactalbumin and β-lactoglobulin protein separation

This work used the General Rate Model (GRM) to evaluate the experimental data of α-lactalbumin (α-la) and β-lactoglobulin (β-lg) mass transfer using size exclusion chromatography (SEC). The chromatographic simulation has become necessary in large scale production processes. Mathematical models have been used for the optimization and control of different operating conditions of the process, as well as providing ...

Infecção por citomegalovirus. Uma forma rara de apresentação

RESUMO A infecção por Citomegalovirus (CMV) é uma situação frequente, ocorrendo maioritariamente de forma assintomática(1). Os autores apresentam o caso clínico de uma criança de 3 anos de idade, internada no Serviço de Pediatria do Hospital Pedro Hispano para estudo etiológico de hipoproteinémia com hipoalbuminémia, no contexto clínico de vómitos, abdominalgias e edemas infraorbitários bilaterais. Os exames co...

Síndrome de Mirizzi

Histopathological analysis of rat mesentery as a method for evaluating neutroph...

In the present study, histopathological analysis of rat mesentery was used to quantify the effect of two anti-inflammatory agents, dexamethasone (Dex) and pertussis toxin (Ptx), on leukocyte migration. The intravenous injection of Dex (1 mg/kg) and Ptx (1,200 ng) 1 h prior to the intraperitoneal injection of the inflammatory stimuli lipopolysaccharide (LPS) or formyl-methionyl-leucyl-phenylalanine (fMLP) signif...

Oesophageal lichen planus

Lichen planus is a common skin and mucosal disease, with very rare symptomatic oesophageal involvement. We report a case of painful dysphagia due to oesophageal lichen planus in a 60-year-old woman who also had oral, cutaneous and genital lichen planus lesions. Steroid treatment produced considerable improvement of all lesions and a rapid symptomatic remission.