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Nucleic acids. --- Polynucleotides --- Biomolecules

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This book is a guide for researchers, academics and experimentalists who wish to explore density functional theory (DFT) on selected molecular systems. The salient features of the book include concise and complete coverage of DFT on biologically active molecules, a basic guide to DFT for beginners followed by its computational application using a powerful Gaussian program. Subsequently, discussions on synthetic compounds, amino acids, and natural products have been offered by the authors for the benefit of the reader. The book also features an exclusive chapter on the quantum theory of atoms in molecules and is supplemented by an appendix on the Gaussian output for methane. Key Features:· basic introduction of density functional theory· practical introduction to Gaussian program· interpretation of input and output files· explanation of calculated parameters· examples of several bioactive molecules (syenthetic and natural)· correlation between theory and experiments· exploration of the hydrogen bonds· appendix covering Gaussian outputs for methane· beginner friendly text· references at the end of each chapter DFT Based Studies on Bioactive Molecules is a suitable handbook for academics, students and researchers who are learning the basic biophysics and computational chemistry of bioactive molecules with reference to DFT models.

Biomolecules. --- Biophysics --- Science

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The scope of this reprint, entitled "Emerging Protein Sources for Food Production and Human Nutrition", encompasses the latest advancements in analytics and the application of new methods in the processing of proteins, both plant and animal, as well as methods of producing and testing foods enriched with these proteins.

Proteins. --- Proteids --- Biomolecules --- Polypeptides --- Proteomics

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In 1936 a German chemist identified certain organic molecules in ancient rocks and oils as the fossil remains of chlorophyll, presumably from plants that had lived millions of years in the past. Many years later this insight was revisited and the term biomarker coined to describe fossil molecules whose molecular structures could reveal the presence of otherwise elusive organisms and processesand then, the hunt was on. Echoes of Life is the story of those molecules and how they illuminate the history of the earth and its life. It is also the story of how a few maverick organic chemists and geologists defied the dictates of their disciplines and, at a time when the natural sciences were fragmenting into ever-more-specialised sub-disciplines, reunited chemistry, biology and geology in a common endeavor.

Organic geochemistry. --- Biomolecules, Fossil. --- Ancient biomolecules --- Fossil biomolecules --- Biogeochemistry --- Biomolecules --- Chemistry, Organic --- Geochemistry --- Earth sciences --- Organic geochemistry --- Geosciences --- Environmental sciences --- Physical sciences --- Biomolecules. --- Biological molecules --- Molecules --- Molecular biology

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Biology --- Proteins --- Conformation --- Proteids --- Biomolecules --- Polypeptides --- Proteomics