Test propionate and hair loss

A sensitive and specific method has been developed to detect semi-quantitatively testosterone in horse hair samples. The method involved a washing step with sodium dodecylsulfate aqueous solution. The mane and tail hair samples (100   mg) were dissolved in 1   mL of sodium hydroxide for 15   min at 95   °C in the presence of d3-boldenone used as internal standard. The next three steps involved diethyl ether extraction and a solid phase extraction on Isolute C18 (EC) cartridges eluted with methanol. The residue was derivatized by adding 100   μL of acetonitrile and 30   μL of PFPA then incubating for 15   min at 60   °C. After evaporation, 30   μL of hexane was added and   μL was injected into the column (a bonded phase fused silica capillary column DB5MS, 30   m   ×     mm .   ×     μm film thickness) of a Trace GC chromatograph. In order to improve the sensitivity of the method, damping gas flow has been optimized. Testosterone was identified in MS 2 full scan mode on the Polaris Q instrument. The assay was capable of detecting less than 1   pg   mg −1 . The recovery was close to 90%. The analysis of tail and mane samples collected from a gelding horse having received a single dose of testosterone propionate (1   mg   kg −1 ) showed the presence of testosterone in the range of 1–6   pg   mg −1 in hair collected during 5 months after administration.

Fluid and electrolyte disturbances: Retention of sodium, chloride, water, potassium, calcium, and inorganic phosphates.
Gastrointestinal: Nausea, cholestatic jaundice, alterations in liver function tests, rarely hepatocellular neoplasms and peliosis hepatis (see WARNINGS ).
Hematologic: Suppression of clotting factors II, V, VII, and X, bleeding in patients on concomitant anticoagulant therapy, and polycythemia.
Nervous system: Increased or decreased libido, headache, anxiety, depression, and generalized paresthesia.
Allergic: Hypersensitivity, including skin manifestations and anaphylactoid reactions.
Vascular Disorders: venous thromboembolism

Miscellaneous: Inflammation and pain at the site of intramuscular injection.

Test propionate and hair loss

test propionate and hair loss


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