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Biomedical subjects

N Horie

Publications and source records attributed to N Horie.

108 records · Page 6Linked to original sources

Fibrinolytic activity of lung and spleen extracts observed in conventional but not in germ-free rats.

Protease-like activity which split plasminogen-free fibrin was demonstrated in 2 M KSCN extracts of the lung and spleen of conventional rats. The activity was virtually undetectable in tissue extracts from germ-free rats. The extracts from the conventional rat tissues split fibrin and fibrinogen remarkably at neutral pH, but not casein, when examined using fibrin, fibrinogen-agar and casein-agar plates. The fibrinolytic activity was inhibited by STI and DFP, indicating a serine protease nature. The activity was not inhibited by TLCK, t-AMCHA or dansyl-L-arginine-methylpiperidine amide (a selective synthetic thrombin inhibitor, OM189). It was neither activated nor inhibited by cysteine, KCN or iodoacetic acid. The results obtained indicate that the protease-like activity of the lung and spleen extracted with 2 M KSCN from conventional rats has properties which differ from those of trypsin, plasmin, plasminogen-activator, thrombin, and cathepsin A, B and C.

Animals↗

An electric cutter for all surgical prostheses.

A new electric cutter for surgical prostheses has been developed and was compared with surgical scissors for efficacy. This comparison of the two methods was done by cutting the edges of nine popular prostheses. It was concluded from gross and microscopical results after pulling both edges of the grafts cut by the two methods that the electric cutter is much more effective for surgical prostheses.

Blood Vessel Prosthesis↗

Additional evidence for hydrophobic bond formation in the adsorption of sulfanilamide on bio-gel beads.

We have previously suggested the involvement of both hydrogen binding and hydrophobic bonding in the adsorption of sulfanilamide on Bio-Gel beads. In the present study, we closely examined the concentration dependence of the binding curve and our proposed binding model has been corroborated. For comparison, binding parameters and thermodynamic data pertaining to the sulfanilamide-Sephadex system have been also evaluated.

Adsorption↗

Traumatic herniation of the buccal fat pad.

Two new cases of traumatic herniation of the buccal fat pad are presented. The herniated fat pad was repositioned in case 1 and was excised in case 2. There was no recurrence after surgery in each case. Reviewing the literature, the lesion usually occurred in infants or young children under the age of 4 years as a result of traumatic penetration of the buccal mucosa and buccinator muscle with a foreign object.

Accidental Falls↗