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| 3. |
- Eriksson, Bore, et al.
(författare)
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Vårdsektionens fältarbeten
- 1981
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Ingår i: Kulturminnesvård. - Stockholm : Riksantikvarieämbetet. - 0346-9077. ; [6]:2, s. 48-51
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Tidskriftsartikel (populärvet., debatt m.m.)
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- Kjellén, G., et al.
(författare)
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Scintigraphy, radiography, and acid clearing in dysphagia patients after anti-reflux surgery
- 1984
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Ingår i: Scandinavian Journal of Gastroenterology. - 0036-5521 .- 1502-7708. ; 19:8, s. 1022-1026
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Tidskriftsartikel (refereegranskat)abstract
- Oesophageal emptying was studied with scintigraphy, radiography, and the acid clearing test (ACT) in 18 patients reporting dysphagia and previously operated on with fundoplication. Radiography with contrast medium, isodense with water, revealed abnormalities in either motility or emptying capacity in 39% (7/18). A A barium meal showed abnormalities--that is, a tight repair, disruption of the fundoplication, or recurrence of the hernia--in 56% (10/18). The ACT was prolonged in 40% (6/15) of the patients. Pathological findings at scintigraphy with a solid bolus were found in 67% (12/18). Even if scintigraphy with a solid bolus is the method that identifies the highest number of patients with impaired oesophageal function among the tests used, it cannot differentiate between functional and anatomical disorders. A barium meal examination is the method of choice when an anatomical disorder is suspected.
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| 6. |
- Miörner, Håkan, et al.
(författare)
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Lipoteichoic acid is the major cell wall component responsible for surface hydrophobicity of group A streptococci
- 1983
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Ingår i: Infection and Immunity. - 1098-5522. ; 39:1, s. 336-343
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Tidskriftsartikel (refereegranskat)abstract
- The contribution of lipoteichoic acid (LTA) to the hydrophobic surface properties of group A streptococci was investigated in aqueous dextran-polyethylene glycol two-phase systems. Enzymatic digestions were performed to characterize the hydrophobic surface structure. The results obtained indicated that LTA is a major factor responsible for the hydrophobic character of the cell surface of group A streptococci. This was further supported by the similarity of partition in polymer two-phase systems between whole group A streptococci and tritiated LTA extracted from a group A streptococcal strain. Surface LTA was also determined on intact organisms by a new method measuring the adsorption of antibodies to LTA to the bacterial surface. A correlation was found between the content of surface LTA and the hydrophobicity of the group A streptococci. We conclude that surface-associated LTA is the major factor determining surface hydrophobicity of group A streptococci.
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