Xem 1-20 trên 34 kết quả Macromolecules
  • Physical chemistry of macromolecules is a course that is frequently offered in the biochemistry curriculum of a college or university. Occasionally, it is also offered in the chemistry curriculum. When it is offered in the biochemistry curriculum, the subject matter is usually limited to biological topics and is identical to biophysical chemistry. When it is offered in the chemistry curriculum, the subject matter is often centered around synthetic polymers and the course is identical to physical polymer chemistry.

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  • Chapter 5 - The structure and function of macromolecules. In this chapter, you should be able to: List and describe the four major classes of organic molecules; explain: monomers, polymers, dehydration synthesis with the type of covalent bond for each; distinguish between monosaccharides, disaccharides, and polysaccharides.

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  • 1928, Frederick Griffith, was one of the first experiments suggesting that bacteria are capable of transferring genetic information through a process known as transformation § 1944:Avery, MacLeod & McCarty - Strong evidence that DNA is genetic material § 1950:Chargaff - careful analysis of DNA from a wide variety of organisms.

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  • As with the first edition, the primary purpose of this book is to describe human blood group antigens and their inheritance, the antibodies that define them, the structure and functions of the red cell membrane macromolecules that carry them, and the genes that encode them or control their biosynthesis. In addition, this book provides information on the clinical relevance of blood groups and on the importance of blood group antibodies in transfusion medicine in particular.

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  • The expression of proteoglycans (PGs), essential macromolecules of the tumor microenvironment, is markedly altered during malignant transforma-tion and tumor progression. Synthesis of stromal PGs is affected by factors secreted by cancer cells and the unique tumor-modified extracellular matrix may either facilitate or counteract the growth of solid tumors.

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  • The molecular masses of macromolecules and subunits of the extracellular hemoglobin from the fresh-water crustaceanDaphnia magnawere deter-mined by analytical ultracentrifugation, multiangle laser light scattering and electrospray ionization mass spectrometry.

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  • International Tables for Crystallography, Volume F, Crystal- lography of Biological Macromolecules, was commissioned by the International Union of Crystallography (IUCr) in recognition of the extraordinary contributions that knowledge of macro- molecular structure has made, and will make, to the analysis of biological systems, from enzyme catalysis to the workings of a whole cell.

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  • Chapter 3 - Macromolecules and the origin of life. In this chapter, students will be able to understand: What kinds of molecules characterize living things? What are the chemical structures and functions of proteins? What are the chemical structures and functions of carbohydrates? What are the chemical structures and functions of lipids? What are the chemical structures and functions of nucleic acids? How did life on earth begin?

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  • (BQ) Part 2 book "Harper’s illustrated biochemistry" presents the following contents: Structure, function and replication of informational macromolecules; biochemistry of extracellular and intracellular communication, special topics.

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  • Ebook Handbook of polymer synthesis the book analyzes biodegradable polymers for biomedical applications; Investigates the use of polyolefins, polymeric dienes, aromatic polyethers, polymides, and metal-containing macromolecules; and covers polymers of Acrylic Acid, Methacrylic Acid, and Maleic Acid.

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  • Một axít nucleic là một đại phân tử sinh học có phân tử lượng lớn (tiếng Anh: high-molecular-weight biochemichal macromolecule) được cấu tạo từ các chuỗi nucleotide nhằm truyền tải thông tin di truyền (genetic information). Hai loại axít nucleic phổ biến nhất là deoxyribonucleic acid (ADN) và ribonucleic acid (ARN). Axít nucleic có mặt ở hầu hết các tế bào sống và virút.

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  • Smart polymers are macromolecules capable of undergoing rapid, reversible phase transitions from a hydrophilic to a hydrophobic microstructure. These transitions are triggered by small shifts in the local environment, such as slight variations in temperature, pH, ionic strength, or the concentration of specific substances like sugars. Smart polymers have an extensive range of applications, but this book focuses solely on their roles within the fields of bioseparation and biomedicine. Until recently, polymers were considered to be passive participants within these fields.

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  • Biomimetics is the science of emulating nature’s design. In nature, living organisms synthesize mineralized tissues and this process of biomineralization is under strict biological control. It involves the interactions of several biological macromolecules among themselves and with the mineral components. Generally, natures design principles are based on a “Bott om-Up” strategy. Such processes lead to the formation of hierarchically structured organic-inorganic composites with mechanical properties optimized for a given function.

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  • Một axít nucleic là một đại phân tử sinh học có phân tử lượng lớn (tiếng Anh: high-molecular-weight biochemichal macromolecule) được cấu tạo từ các chuỗi nucleotide nhằm truyền tải thông tin di truyền (genetic information).

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  • A need for a book on immunology which primarily focuses on the needs of medical and clinical research students was recognized. This book is relatively short and contains topics considered relevant to the understanding of human immune system and its role in health and diseases. Immunology is the study of our protection from foreign macromolecules or invading organisms and our responses to them. These invaders include viruses, bacteria, protozoa or even larger parasites.

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  • Bioinformatics is an emerging and rapidly growing area of science. Not sur- prisingly, there is tremendous lag time between the state of knowledge and the publication of manuals for those who need to fathom the basic knowledge and apply it in problem solving. Mr. Rashidi and Dr. Buehler have found a way to address these needs. Their book provides excellent, timely, and easy- to-understand information and advice for those without a great...

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  • Proteins are the driving force for all cellular processes. They regulate several cellular events through binding to different partners in the cell. They are capable of binding to other proteins, peptides, DNA, and also RNA. These interactions are essential in the regulation of cell fates and could be important in drugs development. For example RNA interacting proteins regulate gene expression through the binding to different mRNAs. These mRNAs could be involved in important cellular processes such as cell survival or apoptosis.

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  • - Polysaccharides are macromolecules, polymers with a few hundred to a few thousand monosaccharides joined by glycosidic linkages. - Some polysaccharides serve as storage material, hydrolyzed as needed to provide sugar for cells. - Other polysaccharides serve as building material for structures that protect the cell or the whole organism. - The architecture and function of a polysaccharide are determined by its sugar monomers and by the positions of its glycosidic linkages.

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  • Vitamin E is an important topic because many benefits and some risks have been attributed to it when used as a nutritional supplement. Moreover, there has been considerable progress in the basic science of this vitamin in recent years. This volume reviews recent aspects of the biochemistry and molecular biology of this vitamin, associated macromolecules, metabolism of the vitamin and its derivatives, and its many roles in health and disease. The various contributions comprising this volume are listed here in the order in which they are presented in the volume....

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  • The extracellular matrix (ECM) represents a complex organization of macromolecules that surrounds the cell and comprises the substratum onto which the cell may be attached. The properties and functions of the ECM depend ultimately on its structure, molecular components, architecture, and dynamic modulation. Because the critical role of ECM involved in cell biology and physiology has long been recognized, the structure and biology of the ECM have been extensively studied (Yurchenco and Birk 1994 ; Ayad et al. 1998 ; Robert 2001 ) .

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