نتایج جستجو برای: bone minerals

تعداد نتایج: 327204  

Journal: :The journal of nutrition, health & aging 2007
R Jugdaohsingh

Low bone mass (osteoporosis) is a silent epidemic of the 21st century, which presently in the UK results in over 200,000 fractures annually at a cost of over one billion pounds. Figures are set to increase worldwide. Understanding the factors which affect bone metabolism is thus of primary importance in order to establish preventative measures or treatments for this condition. Nutrition is an i...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2014
Erika Davies Karin H Müller Wai Ching Wong Chris J Pickard David G Reid Jeremy N Skepper Melinda J Duer

We provide evidence that citrate anions bridge between mineral platelets in bone and hypothesize that their presence acts to maintain separate platelets with disordered regions between them rather than gradual transformations into larger, more ordered blocks of mineral. To assess this hypothesis, we take as a model for a citrate bridging between layers of calcium phosphate mineral a double salt...

2010
Jayachandran Venkatesan Se-Kwon Kim

Bone contains considerable amounts of minerals and proteins. Hydroxyapatite [Ca₁₀(PO₄)₆(OH)₂] is one of the most stable forms of calcium phosphate and it occurs in bones as major component (60 to 65%), along with other materials including collagen, chondroitin sulfate, keratin sulfate and lipids. In recent years, significant progress has been made in organ transplantation, surgical reconstructi...

2010
Thomas Bissig Rodrigo Riquelme

Article history: Received 5 February 2010 Received in revised form 21 September 2010 Accepted 21 September 2010 Available online 18 October 2010 Editor: T.M. Harrison

Journal: :Science 1981
H A Lowenstam

Organisms are capable of forming a diverse array of minerals, some of which cannot be formed inorganically in the biosphere. The initial precipitates may differ from the form in which they are finally stabilized, or during development of the organism one mineral may substitute for another. Biogenic minerals commonly have attributes which distinguish them from their inorganic counterparts. They ...

2000
Todd A. Armstrong Jerry W. Spears Thomas D. Crenshaw Forrest H. Nielsen

Two experiments were conducted to determine effects of dietary boron (B) on performance, plasma minerals and metabolites, and bone characteristics in young pigs. In Experiment 1, 48 pigs (24 males, 24 females; 21 d old) were allotted to pens, which were randomly assigned to one of the following dietary treatments: 1) control (natural ingredient diet; 6.7 mg B/kg diet), 2) control 1 5 mg B/kg di...

2014
J Chen J. D. Richards K. D. Wedekind M. K. Manangi R. F. Wideman J. J. Dibner

Bacterial Chondronecrosis with Osteomyelitis (BCO) is one of the most common forms of lameness in poultry. It is associated with opportunistic bacterial infections in the proximal long bones and gut barrier failure. Chelated trace minerals have been shown to improve bone strength and gut health, therefore we hypothesize that MINTREX, the chelated trace minerals, can improve bone structural inte...

Extended Abstract 1.Introduction One of the tissues that is affected by physical activity is bone. Bone is one of the tissues that needs to receive mechanical load to have normal function as a key factor in strengthening bone mass (2). Evidence shows that the mechanical load resulting from physical activity activates a set of proteins involved in the process of osteoblast activation and inhib...

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