The preparation of a purified thyrotropic hormone by chemical precipitation

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Preparation of pituitary thyrotropic hormone.

The existence of a thyroid-stimulating hormone in anterior pituitary gland tissue has been known for 30 years (1, 2). During this time, considerable work has been done on the physiological and the pharmacological effects of the thyrotropic hormone administ’ered in the form of pituitary extracts which had been subjected t,o a varying degree of manipulation. Relatively little progress on the puri...

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Preparation of Pituitary Thyrotropic Hormone*

The existence of a thyroid-stimulating hormone in anterior pituitary gland tissue has been known for 30 years (1, 2). During this time, considerable work has been done on the physiological and the pharmacological effects of the thyrotropic hormone administ’ered in the form of pituitary extracts which had been subjected t,o a varying degree of manipulation. Relatively little progress on the puri...

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The Intracellular Localization of Pituitary Thyrotropic Hormone

The intracellular localization of a bovine anterior pituitary preparation of thyroid-stimulating hormone (TSH) was studied in guinea pigs and dogs. The preparation was administered intravascularly or applied directly to tissue sections. TSH was detected by an indirect technique utilizing bovine TSH antiserum and fluorescein-labeled anti-rabbit globulin; the presence of TSH in the tissue was ind...

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Nano-size Hydroxyapatite Powders Preparation by Wet-Chemical Precipitation Route

In this study, wet-chemical process was performed to prepare nano-size hydroxyapatite (HA) powders (≈10 nm) by varying concentration (low, medium and high) of the starting solutions in order to increase the amount of as-dried HA powders with different process conditions. Particle sizes and density were analyzed and differential thermal analysis was used to determine the glass transition (Tg) an...

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ژورنال

عنوان ژورنال: Biochemical Journal

سال: 1937

ISSN: 0306-3283

DOI: 10.1042/bj0310843