Xem 1-20 trên 70 kết quả Lipid oxidation
  • This book provides an comprehension on a large range of aquaculture connected subjects. The guide chapters are prepared by top specialists in their respective regions. This e-book will be similarly beneficial for students and pros in aquaculture and biotechnology. The e-book is organized in 4 sections. The initial part discusses fish nourishment 2nd area is considers the application of genetic in aquaculture area 3 takes a search at existing methods for controlling lipid oxidation and melanosis in Aquaculture merchandise.

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  • The first edition of Food Lipids was published in 1998 and the second edition in 2002 by Marcel Dekker, Inc. Taylor & Francis Group, LLC, acquired Marcel Dekker and the rights to publish the third edition. We firmly believe that this book has been of interest and will help those involved in lipid research and instruction. Many have bought the previous editions and we thank you for your support. The need to update the information in the second edition cannot be overstated, as more data and new technologies are constantly becoming available.

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  • The first edition of Food Lipids was published in 1998 and the second edition in 2002 by Marcel Dekker, Inc. Taylor & Francis Group, LLC, acquired Marcel Dekker and the rights to publish the third edition. We firmly believe that this book has been of interest and will help those involved in lipid research and instruction. Many have bought the previous editions and we thank you for your support. The need to update the information in the second edition cannot be overstated, as more data and new technologies are constantly becoming available.

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  • Lipids (fats and oils) are a wide range of organic molecules that serve several functions in organisms. Lipids are essential components of our diet, highlighting their important contribution in energy, representing 9 kcal/g (or 37.7 kJ/g), and by some components relevant to the metabolism, such as essential fatty acids, fat soluble vitamins and sterols (cholesterol and phytosterols).

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  • Đây là bài giảng của thầy Đỗ Hiếu Liêm, trường ĐH Nông Lâm TP.HCM. Sự thành lập lipoprotein huyết thanh: Lipid vận chuyển trong máu hoặc dịch bạch huyết bằng cách kết hợp với thành phần protein (lipoprotein) (ngoại trừ các hormon steroid và acid béo tự do), đồng thời ester hóa cholesterol.

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  • Tham khảo bài thuyết trình 'chapter 5. lipid metabolism', khoa học tự nhiên, công nghệ sinh học phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • In the present study, we investigated lipid biosynthesis in the bacterium Escherichia coliby mathematical modeling. In particular, we studied the interaction between the subsystems producing unsaturated and saturated fatty acids, phospholipids, lipid A, and cardiolipin.

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  • We analyzed the role of gangliosides in the association of the ErbB2 recep-tor tyrosine-kinase (RTK) with lipid rafts in mammary epithelial HC11 cells. Scanning confocal microscopy experiments revealed a strict ErbB2– GM3 colocalization in wild-type cells. In addition, analysis of membrane fractions obtained using a linear sucrose gradient showed that ErbB2, epi-

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  • The membrane lipid composition of planctomycetes capable of the an-aerobic oxidation of ammonium (anammox), i.e. Candidatus‘Brocadia anammoxidans’ and Candidatus‘Kuenenia stuttgartiensis’, was shown to be composed mainly of so-called ladderane lipids. These lipids are com-prised of three to five linearly concatenated cyclobutane moieties withcis ring junctions, which occurred as fatty acids, fatty alcohols, alkyl glycerol monoethers, dialkyl glycerol diethers and mixed glycerol ether⁄esters. ...

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  • There is growing concern about the safety of engineered nanoparticles, which are produced for various industrial applications. Quantum dots are colloidal semiconductor nanoparticles that have unique luminescence char-acteristics and the potential to become attractive tools for medical imaging. However, some of these particles can cause oxidative stress and induce cell death.

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  • NovelN,N¢-diacyl-1,3-diaminopropyl-2-carbamoyl bivalent cationic lipids were synthesized and their physicochemical properties in lamellar assemblies with and without plasmid DNA were evaluated to elucidate the structural requirements of these double-chained pH-sensitive surfactants for potent non-viral gene delivery and expression.

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  • The steroidogenic acute regulatory (StAR)-related lipid transfer (START) domains are found in a wide range of proteins involved in intracellular trafficking of cholesterol and other lipids. Among the START proteins are the StAR protein itself (STARD1) and the closely related MLN64 protein (STARD3), which both function in cholesterol movement.

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  • Lipopolysaccharide (LPS) from the outer membrane of Gram-negative bac-teria belongs to the most potent activators of the mammalian immune sys-tem. Its lipid moiety, lipid A, the ‘endotoxic principle’ of LPS, carries two negatively charged phosphate groups and six acyl chain residues in a defined asymmetric distribution (corresponding to synthetic compound 506).

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  • The role of oxidative stress in pilocarpine-induced status epilepticus was investigated by measuring lipid peroxidation level, nitrite content, GSH con-centration, and superoxide dismutase and catalase activities in the hippo-campus of Wistar rats. The control group was subcutaneously injected with 0.9% saline. The experimental group received pilocarpine (400 mgÆkg )1 , subcutaneous). Both groups were killed 24 h after treatment.

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  • Specific lipids of the purple membrane ofHalobacteriaare required for normal bacteriorhodopsin structure, function, and photocycle kinetics [Hendler, R.W. & Dracheva, S. (2001) Biochemistry (Moscow)66, 1623–1627]. The decay of the M-fast intermediate through a path including the O intermediate requires the presence of a hydrophobic envi-ronment near four charged aspartic acid residues within the cytoplasmic loop region of the protein (R. W. Hendler & S. Bose, unpublished results).

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  • The oxidant function of pro-apoptotic protein Bax was investigated through heterologous expression in yeast. Direct measurements of fatty acid content show that Bax-expression induces oxidation of mitochondrial lipids. This effect is prevented by the coexpression of Bcl-xL. The oxi-dation actually could be followed on isolated mitochondria as respiration-induced peroxidation of polyunsaturatedcis-parinaric acid and on whole cells as the increase in the amount of thiobarbituric acid-reactiveproducts. ...

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  • We describe sensitive new approaches for detecting and quantitatingprotein–lipid interactionsusinganalytical ultra-centrifugation and continuous size-distribution analysis [Schuck (2000)Biophys. J.78,1606–1619]. The newmethods were developed to investigate the binding of human apo-lipoprotein E (apoE) isoforms to size-fractionated lipid emulsions, and demonstrate that apoE3 binds preferentially tosmall lipidemulsions,whereas apoE4exhibits apreference for large lipid particles.

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  • Mọi tế bào, cơ thể sống đều cần năng lượng cho sự tồn tại, hoạt động và phát triển. Các thành phần trong thức ăn có khả năng cung cấp năng lượng cho cơ thể là Glucid, Lipid và Protein. Năng lượng sinh học hay sự phosphoryl oxy hóa hay sự hô hấp tế bào là sự đốt cháy các chất hữu cơ tạo năng lượng cho các hoạt động sống của cơ thể.

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  • Prior to the availability of refrigeration, foods, particularly fish and meat, were preserved by salting, marinating or pickling. Through a decrease in water activity, meat and fish were protected against microbial spoilage and other deteriorative processes. It was the process of treating meat with rock salt that led to modern curing practices (Cassens 1990). Thus, meat curing, historically defined as the addition of salt (sodium chloride) to meat, is now referred to as the intentional addition of nitrite and salt to meat.

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  • Fatty acids are an important energy source, for they yield over twice as much energy as an equal mass of carbohydrate or protein. In humans, the primary dietary source of fatty acids is triacylglycerols. This lecture will describe the metabolism of fatty acids. The two main components of fatty acid metabolism are β oxidation and fatty acid synthesis. Upon completion of this lecture, you will understand that the fatty-acid breakdown reactions of β oxidation result in the formation of reduced cofactors and acetyl-CoA molecules, which can be further catabolized to release free energy.

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