Enterokinase and the Chicken Pancreas
نویسندگان
چکیده
منابع مشابه
The formation of enterokinase from a precursor in the pancreas.
IN a recent paper [1932] the writer presented data upon the rate of formation of enterokinase from its precursor in the pancreas. It was found that the observed rate conforms to the unimolecular expression and that it is a function of the hydrogen ion concentration of the medium, exhibiting a maximum at about PH 6-90. Certain additional experiments which have been carried out are now described....
متن کاملAdrenergic and cholinergic innervation of the chicken pancreas.
The distribution, as well as the morphological characteristics of adrenergic and cholinergic nerve fibres was studied in the pancreas of the hen and the cock. The presence of numerous adrenergic and moderately numerous cholinergic structures was revealed in the organ. They were seen as nerve fibre bundles or single nerve fibres located in the vicinity of blood vessels and exocrine ducts, as wel...
متن کاملSomatostatin binding factor from chicken pancreas.
A soluble somatostatin binding factor was detected in cell-free extracts from chicken pancreas. For binding measurements Tyr1-somatostatin was radio-labeled with 125I by the lactoperoxidase technique. Specific radioactivity of about 18.5 MBq/nmol was achieved. Maximal total binding is approximately 0.17 (B/T) in the presence of 30 mg/l pancreatic protein. The specific binding is 0.10 and is sup...
متن کاملPurification and Concentration of Enterokinase
A concentrated solution of purified enterokinase is conveniently prepared from the fluid contents of pigs' duodena by means of fractional precipitation with ammonium sulfate under the proper pH conditions.
متن کاملThe preparation and properties of bovine enterokinase.
Bovine enterokinase was purified from duodenal mucosa. The purification included an initial extraction with 2% deoxycholate, ammonium sulfate fractionations, DEAE-cellulose chromatography, and affinity chromatography on basic pancreatic trypsin inhibitor (Kunitz) (PTI)-Sepharose. The purified enzyme contained 35% carbohydrate; it had a molecular weight of 150,000, with a heavy (115,000) and lig...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 1970
ISSN: 0032-5791
DOI: 10.3382/ps.0490421