Suggested Methods of Peptide Extraction from Tissues in Immunoassay Studies

Suggested General Method for Blood Collection

Plasma Extraction

CSF Extraction

Aprotinin Stability Testing

Sample Preparation	Blood collection Plasma extraction Tissue extraction CSF extraction
Catalog #	RK-APRO
Standard Size	5 ml
Radioactivity	None

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Links to publications that use this product:

Greenman et al. Testosterone is a strong correlate of ghrelin levels in men and postmenopausal women.
Neuroendocrinology. 2009;89(1):79-85. Epub 2008 Aug 28.

Reynolds et al. Effect of the glycemic index of carbohydrates on day-long (10 h) profiles of plasma glucose, insulin, cholecystokinin and ghrelin.
Eur J Clin Nutr. 2009 Jul;63(7):872-8. Epub 2008 Oct 29

Guo et al. Circulating Preprandial Ghrelin to Obestatin Ratio Is Increased in Human Obesity
J Clin Endocrinol Metab. 2007 May;92(5):1875-80.

Kuo et al. C-type natriuretic peptide in individuals with normal left ventricular systolic function
Scand Cardiovasc J. 2007 Jun;41(3):155-9.

(100 µl per 1ml of blood sample)