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Hemoglobin is a protein containing iron that facilitates the transport of oxygen in red blood cells. Almost all vertebrates contain hemoglobin, with the exception of the fish family Channichthyidae and the tissues of some invertebrate animals. Hemoglobin in the blood carries oxygen from the respiratory organs to the other tissues of the body, where it releases the oxygen to enable aerobic respiration which powers the animal's metabolism. A healthy human has 12 to 20 grams of hemoglobin in every 100 mL of blood. Hemoglobin is a metalloprotein, a chromoprotein, and globulin.
Blood glucose monitoring is the use of a glucose meter for testing the concentration of glucose in the blood (glycemia). Particularly important in diabetes management, a blood glucose test is typically performed by piercing the skin to draw blood, then applying the blood to a chemically active disposable 'test-strip'. The other main option is continuous glucose monitoring (CGM). Different manufacturers use different technology, but most systems measure an electrical characteristic and use this to determine the glucose level in the blood. Skin-prick methods measure capillary blood glucose, whereas CGM correlates interstitial fluid glucose level to blood glucose level. Measurements may occur after fasting or at random nonfasting intervals, each of which informs diagnosis or monitoring in different ways.
Hematology is the branch of medicine concerned with the study of the cause, prognosis, treatment, and prevention of diseases related to blood. It involves treating diseases that affect the production of blood and its components, such as blood cells, hemoglobin, blood proteins, bone marrow, platelets, blood vessels, spleen, and the mechanism of coagulation. Such diseases might include hemophilia, sickle cell anemia, blood clots (thrombus), other bleeding disorders, and blood cancers such as leukemia, multiple myeloma, and lymphoma. The laboratory analysis of blood is frequently performed by a medical technologist or medical laboratory scientist.
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AIDA is a freeware computer program that permits the interactive simulation of plasma insulin and blood glucose profiles for demonstration, teaching, self-learning, and research purposes. Originally developed in 1991, it has been updated and enhanced since, and made available without charge from 1996 on the World Wide Web. The program, which is still being updated, has gone through a number of revisions and developments in the 16+ years since its original internet launch. During this time over 2.5 million visits have been logged at the AIDA Websites and more than 400,000 copies of the program have been downloaded. Further copies of the simulator have been made available, in the past, on diskette by the system developers and from the British Diabetic Association (BDA) — now called 'Diabetes UK' — London, England, following the BDA's own independent evaluation of the software. More than 1,075,000 diabetes simulations have been run via a web-based version of the AIDA diabetes simulator.
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1,5-Anhydroglucitol, also known as 1,5-AG, is a naturally occurring monosaccharide found in nearly all foods. Blood concentrations of 1,5-anhydroglucitol decrease during times of hyperglycemia above 180 mg/dL, and return to normal levels after approximately 2 weeks in the absence of hyperglycemia. As a result, it can be used for people with either type-1 or type-2 diabetes mellitus to identify glycemic variability or a history of high blood glucose even if current glycemic measurements such as hemoglobin A1c (HbA1c) and blood glucose monitoring have near normal values. Despite this possible use and its approval by the FDA, 1,5-AG tests are rarely ordered. There is some data suggesting that 1,5-AG values are useful to fill the gap and offer complementary information to HbA1c and fructosamine tests.
Helen Margaret Ranney was an American doctor and hematologist who made significant contributions to research on sickle-cell anemia.
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Stuart Holland Orkin is an American physician, stem cell biologist and researcher in pediatric hematology-oncology. He is the David G. Nathan Distinguished Professor of Pediatrics at Harvard Medical School. Orkin's research has focused on the genetic basis of blood disorders. He is a member of the National Academy of Sciences and the Institute of Medicine, and an Investigator of the Howard Hughes Medical Institute.
Jyoti Bhusan Chatterjea (1919–1972) was an Indian hematologist, medical academic and the director of Calcutta School of Tropical Medicine, He was known for his hematological and clinical studies of Hemoglobin E/β-thalassaemia and was an elected fellow of the National Academy of Medical Sciences, and the Indian National Science Academy. The Council of Scientific and Industrial Research, the apex agency of the Government of India for scientific research, awarded him the Shanti Swarup Bhatnagar Prize for Science and Technology, one of the highest Indian science awards for his contributions to Medical Sciences in 1966.
Phaedon Fessas (1922-2015) was a Greek Professor of Medicine at the Medical School of Athens University. He was Director of the 1st Department of Internal Medicine at the Laikon Hospital in Athens (1969-1989), where he established a very strong Hematology Division, his particular subspecialty. Professor Fessas was a clinician, teacher and researcher. His main research interest was thalassemia.
Mayer B. Davidson is an American physician and author who is an expert on diabetes and the algorithmic dosing of insulin. A Professor of Medicine at both the Charles R. Drew University of Medicine and Science and the David Geffen School of Medicine at UCLA, Davidson has studied algorithmic dosing of insulin as a means of controlling diabetes in insulin-using patients.
Nancy Berliner is an American hematologist. In January 2020, Berliner was named the editor-in-chief of the journal Blood.
References
- ↑ Bunn, HF (2013). "Embedded in the red cell". The Hematologist. 10 (2): 14–15. doi:10.1182/hem.V10.2.1072.
- ↑ Bunn, HF (2013). "Practicing biochemistry without a license". J. Biol. Chem. 288 (7): 5062–5071. doi: 10.1074/jbc.X113.451591 . PMC 3576109 . PMID 23300076.
- ↑ H. Franklin Bunn being awarded the Distinguished Graduate Alumni Scholar Award from the University of Pennsylvania School of Medicine
- ↑ H. Franklin Bunn receiving the Coulter Lifetime Achievement Award from the American Society of Heamtology
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