Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Free radical causes ci by oxidation of protein macromolecules of cell causing cross linkage in the amino acid sequences of protein and fragmentation of polypeptides. Free radicals and their role in different clinical. Introduction a free radical is a species containing one or more unpaired electrons. When the normal level of antioxidants defense mechanism is not sufficient for the eradication of free radical induced injury, administration of antioxidants have a potential role to play. Free drug definition of free drug by medical dictionary. Knowledge from the various pharmacologic classes enables the nurse to understand how drugs work in. Ghosh 1department of pharmacology, gupta college of technological sciences asansol, burdwan, west bengal, pin 7301, india.
Pharmrev articles become freely available 12 months after publication, and remain freely available for 5 years. Free radicals and antioxidants powerpoint presentation. A concise approach to the preparation of 2hydroxydiarylketones by an intramolecular acyl radical ipso substitution. Jouria is a medical doctor, professor of academic medicine, and medical author. Ppt introduction to pharmacology powerpoint presentation. Free radicals, oxidative stress, neurodegenerative diseases, dietary antioxidants.
Lecture 1 lecture 2 lecture 3 lecture 4 lecture 5 lecture 6 lecture 7 lecture 8 lecture 9 lecture 10 lecture 11. Free radicals in pharmacology and toxicologyselected. The reason i place this book here is the lot of requests i received for this book. It has shown that proper intake of antioxidant will help quench all these inevitably free radicals in the body thus, improving the health by lowering the risk. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Find powerpoint presentations and slides using the power of, find free presentations research about diabetes powerpoint for nurses ppt. Oxidation reactions ensure that molecular oxygen is completely reduced to water. Insulin is a protein hormone synthesized in beta cells of. Free radical research communications 1985 1993 latest articles.
It is harmful because in search for a pairing electron, the free radical takes one electron from a stable molecule, in turn the stable one becomes a free radical and the resulting chain reaction can injure tissues and impair their functions. The free radical theory of aging frta states that organisms age because cells accumulate free radical damage over time. Free radicals international journal of pharma sciences and research. Download pharmacology books pdf free all medical stuff. Pharmacology pharmacology is the study of the actions of drugs, incorporating knowledge from other interrelated sciences, such as pharmacokinetics and pharmacodynamics. In pharmacology tags buy, buy pharmacology book, download free, lippincott pharmacology pdf, pdf october 2, 2016 6 views drkhan pharmacology is the branch of medical sciences which basically deals with the study of drugs, their combinations, the diseases which they. View and download powerpoint presentations on git pharmacology ppt. Ppt general pharmacology powerpoint presentation free. The products of partial reduction of oxygen are highly reactive, called reactive oxygen species or ros. Such unpaired electrons are highly reactive and radicalcontaining molecules rapidly and nonspecifically attack a wide variety of biological molecules, removing their electrons in a bid to find an electron pair. Pharmacology lecture notes ppt if this is your first visit, be sure to check out the faq by clicking the link above. A free radical is any atom or molecule that has a single unpaired electron in an outer shell. While a few free radicals such as melanin are not chemically reactive, most biologically relevant free radicals are highly reactive.
Free radical research 1994 current formerly known as. Pdf pharmacology of free radicals and the impact of. Normally, the body can handle free radicals, but if antioxidants are unavailable, or if the free radical production becomes excessive, damage can. Likewise osteoporosis, cushings syndrome and scleroderma, diabetes mellitus is a group of metabolic disorders that is characterized by elevated levels of glucose in blood hyperglycemia and insufficiency in production or action of insulin produced by the pancreas inside the body maritim et al. Biota interactions, 69 1989 293317 293 elsevier scientific publishers ireland ltd. Free radicals and other reactive oxygen species ros are constantly formed in the human body. Unbound drug pharmacology an active drug or other compound that is not bound to a carrier proteineg, albumin or alpha1acid glycoprotein. Free radical biology and medicine also commissions themed special issues aimed at highlighting recent advances in both basic and clinical fields, with a particular focus on mechanisms underlying altered metabolism and redox signaling. Pharmacology powerpoints cme at pharmacology corner. The effects can include those manifested within animals including humans, microorganisms, or combinations of organisms for example, infection pharmacodynamics and pharmacokinetics are the main branches of pharmacology, being itself a topic of biology interested in.
The free radical theory of aging frta states that organisms age because cells accumulate. This helps you give your presentation on free radicals and antioxidants in a conference, a school lecture, a business proposal, in a webinar and business and professional representations. A free radical is a molecule or molecular fragment that contains one or more unpaired electrons in its outer orbital. Chemical research in toxicology 2008, 21 11, 21112119.
This volume for pharmacologists, systems biologists, philosophers and historians of medicine points to investigate new avenues in pharmacology research, by providing a full assessment of the premises underlying a radical shift in the pharmacology paradigm. Choose from 500 different sets of pharmacology ppt intro flashcards on quizlet. A free powerpoint ppt presentation displayed as a flash slide show on id. The free radical theory of aging, conceived in 1956, has turned 40 and is rapidly attracting the interest of the mainstream of biological research. The role of free radicals and the inflammatory response k. Pharmacology of free radicals and the impact of reactive oxygen. A free radical is defined as any chemical species that contains unpaired electron s in its outer orbit 20, 21. Free radicals, lipid peroxidation, antioxidant, diseases. Nonopen access articles that fall outside this five year window are available only to institutional subscribers and current aspet members, or through the article purchase feature at the bottom of the page click here for information on institutional subscriptions. Introduction to pharmacology sources of drugs terms to remember drug pharmacology clinical pharmacology pharmacokinetics pharmacodynamics.
For most biological structures like lipids, proteins, and nucleic acids, free radical damage is closely associated with oxidative damage, causing. Ppt basic pharmacology powerpoint presentation free to. Free radicals are the products of normal cellular metabolism. J received april 1st, 1988 revision received august 19th, 1988 accepted august. Functions of free radicals some free radicals arise normally during metabolism. The odd number of electrons of a free radical makes it unstable, short lived and highly reactive. A free radical is an atom, ion or molecule, possessing an unpaired electron in an outer orbit. Find powerpoint presentations and slides using the power of, find free presentations research about git pharmacology ppt. Free radicals are electrondeficient species, but they are usually uncharged, so their chemistry is very different from the chemistry of evenelectron electron deficient species such as carbocations and carbenes. Most common radical derivatives of oxygen like superoxide free radical anion o2, hydroxy free radical oh, lipid peroxyl. Free radicals in anticancer drug pharmacology sciencedirect. Pharmacology 120 julie cordts instructor pharmacology powerpoint lectures all lessons will open in a new browser window allowing easy access to this menu. Pharmacodynamics pd is the study of the biochemical and physiologic effects of drugs especially pharmaceutical drugs. Winner of the standing ovation award for best powerpoint templates from presentations magazine.
Free radical breaks dna fragments to single strand. Because of these unpaired electrons, free radicals are highly reactive and readily take part in chemical reactions with virtually all cell components lipids, proteins, complex carbohydrates and. It intends to grow day by day, contributions from readers is highly appreciated. View and download powerpoint presentations on diabetes powerpoint for nurses ppt. He graduated from ross university school of medicine and has completed his clinical clerkship training in various teaching hospitals. Powerpoint is the worlds most popular presentation software which can let you create professional free radicals and antioxidants powerpoint presentation easily and in no time. Free radicals are molecular species which possess a single, unpaired electron in their outer orbital. Free radicals and their role in different clinical conditions. Nitric oxide and nitroxides can act as efficient scavengers of proteinderived free radicals.
Lecture 1 lecture 2 lecture 3 lecture 4 lecture 5 lecture 6 lecture 7 lecture 8 lecture 9 lecture 10. The free radical theory of aging matures physiological. Free radicals are molecules with an unpaired electron and are important. Chapter 16 general pharmacology medication forms used by the emtbasic compressed powders or tablets e. Free radicals in pharmacology and toxicologyselected topics. Each individual chapter could serve as a prescribed reading for postgraduate students and clinicians specializing in and practicing clinical pharmacology and toxicology, pharmacotherapy and pharmacotherapeutics, pharmacovigilance, and toxicovigilance, as well as those involved in clinical research, drug discovery, and development. Lucchesi department of pharmacology, university of michigan medical school, ann arbor, mi 481090626 usa development of thrombolytic therapy as a treatment for. A free radical can be defined as an atom or molecule containing one or more unpaired electrons in valency shell or outer orbit and is capable of independent existence. Free radicals, oxidative stress, and antioxidants in human. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Free radical is generally represented by superscript dot. View pharmacology for nurses ppts online, safely and virus free. For most biological structures like lipids, proteins, and nucleic acids, free radical damage is closely associated with oxidative damage, causing direct cellular. Sometimes the bodys immune systems cells purposefully create them to neutralize viruses and bacteria. Because of these unpaired electrons, free radicals are highly reactive and readily take part in chemical reactions with virtually all cell components lipids, proteins, complex carbohydrates and nucleic acids in the body. Free radical combination reactions involving phenoxyl radicals. Free radicals and oxidative stress in neurodegenerative. Introduction to pharmacology primer to prescribe medications, you must understand how drugs work and have a basic understanding of pharmacology. Excessive exercise has been found to increase the free radical level in the body and. Review article free radicals in anticancer drug pharmacology birandra k. Freeradical mechanisms have been implicated in the pathology of several human diseases, including cancer, atherosclerosis, malaria, and rheumatoid arthritis and neurodegenerative diseases. Nitric oxide is a gas and free radical with an unshared electron that can regulate an evergrowing list of biological processes. Pharmacology may be defined as the study of effect of a drug chemical on the body living system it includes, history, source, physical and chemical properties, compounding, biochemical and physiological effects, pk and pd, therapeutic and other uses, precautions, adverse effects, interactions and contraindications of drugs.
Free radicals and antioxidants in health and disease. C and e, and a grape seed proanthocyanidin extract in vitro research communications in molecular pathology and pharmacology 1997. In many instances nitric oxide mediates its biological effects by activating guanylyl cyclase and increasing cyclic gmp synthesis from gtp. Learn pharmacology ppt intro with free interactive flashcards. This is the list of the pharmacology powerpoint presentations available at pharmacology corner. A free radical is a molecule or molecular fragment that contains one or more unpaired electrons in its outermost orbital.
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