Results 51 to 60 of about 68,328 (223)

Sex hormones in female residents of Yamal-Nenets autonomous district depending on the fertility status

open access: yesСибирский научный медицинский журнал, 2020
Severe climatic conditions adversely affect the human reproductive function; there is evidence of earlier aging of the endocrine system in residents of the northern territories.
A. E. Elfimova
doaj   +1 more source

Metabolic impact of endogenously produced estrogens by adipose tissue in females and males across the lifespan

open access: yesFrontiers in Endocrinology
The aged population, expected to double by 2050, makes up a large proportion of people living with metabolic disease. Obesity rates in the elderly are rapidly increasing, with estimates that nearly 40% of men and women over the age of 60 are classified ...
Angel A. Lee   +3 more
doaj   +1 more source

A new method for the separation of androgens from estrogens and for the partition of estriol from the estrone-estradiol fraction: with special reference to the identification and quantitative microdetermination of estrogens by ultraviolet absorption spectrophotometry [PDF]

open access: yes, 1948
It is recognized generally that a qualitative and quantitative knowledge of the excretion pattern of the urinary estrogens is one index to an understanding of the functional activity of the ovary and adrenal cortex.
Friedgood, Harry B.   +2 more
core  

Regenerating Rat Liver: Correlations Between Estrogen Receptor Localization and Deoxyribonucleic Acid Synthesis [PDF]

open access: yes, 1984
Estrogen receptor activity was quantitated in the cytosol and nucleus of normal rat liver and in regenerating rat liver at several time intervals after 75% hepatectomy. Cytosolic estradiol binding in regenerating liver decreases at 12, 24, and 48 h after
Di Leo, A   +6 more
core   +1 more source

Measurement of Fecal Testosterone Metabolites in Mice: Replacement of Invasive Techniques [PDF]

open access: yes, 2020
Testosterone is the main reproductive hormone in male vertebrates and conventional methods to measure testosterone rely on invasive blood sampling procedures.
Auer, Kerstin E.   +5 more
core   +1 more source

Ambient Hydrocarbonylation of Olefins Enabled by Visible‐Light

open access: yesAdvanced Science, EarlyView.
A novel photo‐induced methodology for hydrocarbonylation has been established, resolving the inherent conflicts between competitive olefin and CO insertion in traditional methods that necessitate harsh conditions. Accordingly, an efficient and versatile hydrocarbonylation of olefins enabled by visible‐light irradiation under ambient conditions has been
Hongchi Liu, Tianze Zhang, Hanmin Huang
wiley   +1 more source

Simultaneous determination of natural and synthetic steroid estrogens and their conjugates in aqueous matrices by liquid chromatography / mass spectrometry [PDF]

open access: yes, 2005
An analytical method for the simultaneous determination of nine free and conjugated steroid estrogens was developed with application to environmental aqueous matrices.
Bean KA   +43 more
core   +1 more source

Thyroxine-binding globulin: investigation of microheterogeneity [PDF]

open access: yes, 1981
Preparations of T4-binding globulin (TBG) from human serum was performed using only two affinity chromatography steps. Purity of the protein was demonstrated by a single band in overloaded disc and sodium dodecyl sulfate electrophoresis, equimolar ...
Gärtner, Roland   +4 more
core   +1 more source

Thermal Stability and Degradation of Three Similar-Structured Endogenous Estrogens

open access: yesAnalytica
Estrogens are cholesterol-derived hormones, with four endogenous estrogens being presented in the scientific literature, namely, estradiol, estrone, estriol, and estetrol.
Amalia Ridichie   +9 more
doaj   +1 more source

Dissociation between Cervical Mucus and Urinary Hormones during the Postpartum Return of Fertility in Breastfeeding Women [PDF]

open access: yes, 2018
Identifying the return of fertility with cervical mucus observations is challenging during the postpartum period. Use of urinary measurements of estrogen and progesterone can assist in understanding the return to fertility during this period.
Blackwell, Len   +4 more
core   +2 more sources

Home - About - Disclaimer - Privacy