نتایج جستجو برای: fluoride mgo

تعداد نتایج: 27470  

Journal: :Journal of animal science 1990
M L Christiansen K E Webb

Effects were evaluated of high dietary levels of magnesium oxide (MgO) or limestone on DM, OM and CP digestibility, N balance and intestinal absorption of amino acids by lambs fed a high concentrate diet. Twelve wether lambs equipped with abomasal and ileal cannulas were blocked by weight and breeding and allotted to treatments in a randomized block design in two consecutive trials. Diets were ...

2017
Moon Ho Do Sun Yeou Kim

Methylglyoxal (MGO) is a highly reactive metabolite of glucose which is known to cause damage and induce apoptosis in endothelial cells. Endothelial cell damage is implicated in the progression of diabetes-associated complications and atherosclerosis. Hypericin, a naphthodianthrone isolated from Hypericum perforatum L. (St. John's Wort), is a potent and selective inhibitor of protein kinase C a...

2016
Chi‐Ming Chan Duen‐Yi Huang Yi‐Pin Huang Shu‐Hao Hsu Lan‐Ya Kang Chung‐Min Shen Wan‐Wan Lin

Diabetic retinopathy (DR) and age-related macular degeneration (AMD) are two important leading causes of acquired blindness in developed countries. As accumulation of advanced glycation end products (AGEs) in retinal pigment epithelial (RPE) cells plays an important role in both DR and AMD, and the methylglyoxal (MGO) within the AGEs exerts irreversible effects on protein structure and function...

2016
Eun Jung Park Young Sook Kim Jin Sook Kim

Methylglyoxal (MGO), a reactive α-oxoaldehyde produced by glucose metabolism, is elevated in several diabetic complications, including diabetic retinopathy. The breakdown of retinal pigment epithelial cells is implicated in the progression of diabetic retinopathy. Increased concentrations of MGO lead to retinal pigment epithelial cell death. In this study, we investigated the involvement of act...

Journal: :Journal of agricultural and food chemistry 2010
Gema Arribas-Lorenzo Francisco J Morales

Thermal processing of food leads to the formation of dicarbonyls such as glyoxal (GO) and methylglyoxal (MGO), which are potentially harmful because they are precursors of advanced glycation end products (AGEs). GO and MGO formation was examined during the baking process of cookies as cookies are a widely distributed food commodity in Western diets. GO and MGO were chromatographically analyzed ...

2001
H. M. J. R. H. Ross

The promoting effect of niobium in a Li/MgO catalyst for the oxidative coupling of methane (OCM) and for the oxidattve dehydrogenation of ethane (ODHE) has been studied in some detail. it has been found that a Li/Nb/MgO catalyst with 16 wt % niobium showed the highest activity for the C, production in the OCM reaction; the activity at 600 “C was ten times that of the Li/MgO catalyst at the same...

2010
Carla Figueira Bento Filipa Marques Rosa Fernandes Paulo Pereira

BACKGROUND Increased production and accumulation of methylglyoxal (MGO), as well as increased modification of proteins by glycoxidation, are hallmarks of aging and diabetes. MGO was shown to modify proteins and to contribute to the accumulation of damaged proteins that can be toxic to cells. However, the effect of MGO on the cell systems responsible for repairing or degrading damaged proteins i...

Journal: :Physical chemistry chemical physics : PCCP 2015
Zhi-Feng Shi Yuan-Tao Zhang Xi-Jun Cui Shi-Wei Zhuang Bin Wu Xian-Wei Chu Xin Dong Bao-Lin Zhang Guo-Tong Du

Vertically aligned ZnO/MgO coaxial nanowire (NW) arrays were prepared on sapphire substrates by metal-organic chemical vapor deposition combined with a sputtering system. We present a comparative investigation of the morphological and optical properties of the produced heterostructures with different MgO layer thicknesses. Photoluminescence measurements showed that the optical performances of Z...

Journal: :Physical chemistry chemical physics : PCCP 2014
Kiwoong Kim Jeong Woo Han Kwang Soon Lee Won Bo Lee

Developing next-generation solid sorbents to improve the economy of pre- and post-combustion carbon capture processes has been challenging for many researchers. Magnesium oxide (MgO) is a promising sorbent because of its moderate sorption-desorption temperature and low heat of sorption. However, its low sorption capacity and thermal instability need to be improved. Various metal-promoted MgO so...

Journal: :Chemical communications 2013
Lianjun Liu Cunyu Zhao Huilei Zhao Daniel Pitts Ying Li

A novel MgO-patched TiO2 microsphere photocatalyst demonstrated 10 times higher activity toward CO production from CO2 photoreduction with H2O vapor, when the reaction temperature increased from 50 to 150 °C. The catalytic performance of hybrid MgO-TiO2 was much more stable than TiO2, particularly at a higher temperature, likely due to easier desorption of reaction intermediates and the enhance...

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