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Author: Em. Pozzi-Escot
Publisher: JOHN WILEY & SONS
ISBN:
Category :
Languages : en
Pages : 41
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Book Description
Our knowledge of the toxins is of quite recent date. It is hardly twenty years since we began to acquire a knowledge of the facts that are detailed in this volume, and to which modern medicine owes its most recent and marvelous progress, particularly in serotherapy. In this volume we have studied, besides the true toxins—substances of cellular origin and of albuminoid nature and unknown composition—other toxic substances, the nitrogenized alkaloidal bases introduced into science through the researches of Selmi, Armand Gautier, and von Behring, and which are highly hydrogenized nitrogenous crystallizable principles of definite chemical composition—the products of the more or less advanced breaking down of albuminoids. Although these principles differ widely, by reason of their physiological properties as a whole, from the toxic albuminoids, or true toxins, it appears proper to consider them as products of the advanced decomposition of these toxins—and in this respect their study becomes imperative, the more so as they are very frequently encountered together with the toxins, particularly in serpent-venoms, where their action is exerted in addition to that of the true toxins. In the first volume of this collection we dwelt on the essentially reducing nature of the cellular functionation. To this functionation—causing the splitting up or decomposition by hydrolysis of nitrogenized albuminoid foods—is due the formation of these toxic basic products within the organism, whether normally, or because of certain pathological conditions. This alone suffices to show that, during physiological life, oxygen plays an essentially antitoxic rôle within the organism. It is hoped that this succinct résumé, which it has been sought to make as clear as possible, will be of service to those who, while not scientists actively engaged in scientific progress, desire to be abreast of the knowledge of modern evolution, but yet are not in a position to consult original papers or large treatises.
Author: Em. Pozzi-Escot
Publisher: JOHN WILEY & SONS
ISBN:
Category :
Languages : en
Pages : 41
Get Book Here
Book Description
Our knowledge of the toxins is of quite recent date. It is hardly twenty years since we began to acquire a knowledge of the facts that are detailed in this volume, and to which modern medicine owes its most recent and marvelous progress, particularly in serotherapy. In this volume we have studied, besides the true toxins—substances of cellular origin and of albuminoid nature and unknown composition—other toxic substances, the nitrogenized alkaloidal bases introduced into science through the researches of Selmi, Armand Gautier, and von Behring, and which are highly hydrogenized nitrogenous crystallizable principles of definite chemical composition—the products of the more or less advanced breaking down of albuminoids. Although these principles differ widely, by reason of their physiological properties as a whole, from the toxic albuminoids, or true toxins, it appears proper to consider them as products of the advanced decomposition of these toxins—and in this respect their study becomes imperative, the more so as they are very frequently encountered together with the toxins, particularly in serpent-venoms, where their action is exerted in addition to that of the true toxins. In the first volume of this collection we dwelt on the essentially reducing nature of the cellular functionation. To this functionation—causing the splitting up or decomposition by hydrolysis of nitrogenized albuminoid foods—is due the formation of these toxic basic products within the organism, whether normally, or because of certain pathological conditions. This alone suffices to show that, during physiological life, oxygen plays an essentially antitoxic rôle within the organism. It is hoped that this succinct résumé, which it has been sought to make as clear as possible, will be of service to those who, while not scientists actively engaged in scientific progress, desire to be abreast of the knowledge of modern evolution, but yet are not in a position to consult original papers or large treatises.
Author: Carl-Wilhelm Vogel
Publisher: Springer
ISBN: 9789401774369
Category : Medical
Languages : en
Pages : 605
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Book Description
This handbook addresses various topics on clinical toxinology such as the epidemiology and management of snake and insect bites in Australia and different countries in Europe and the Americas. Chapters will be written by experts currently working in the subspecialty, many of whom have first-hand experience in the relevant research fields. In virtually all the topics, appropriate illustrations are provided to simplify comprehension including tables, figures and pictures. Clinical toxinologic conditions are becoming increasingly frequent, more so than is generally recognized. The conditions comprise of clinical aspects such as the diagnosis, management, and prevention of snakebite envenoming, scorpion sting, mushroom toxins, plant toxins, and other natural toxins. Clinical toxinology also deals with the ecology, epidemiology, regional differences, and varieties of fauna accounting for different envenoming manifestations. This reference work, part of the Toxinology handbook series, is designed to keep readers abreast with new knowledge and experience in toxinology regionally and globally. Toxinologists, researchers, scientists, and experts in this field from various working areas considered it necessary to collect all the aspects of clinical toxinology in a single, handy handbook. This can be used by medical students, postgraduate students, general practitioners, specialists in internal medicine, critical care physicians, emergency physicians, and anesthetists worldwide.
Author: Katsuhiro Konno
Publisher: MDPI
ISBN: 3039285408
Category : Medical
Languages : en
Pages : 404
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Book Description
Thousands of arthropod species, ranging from arachnids (spiders and scorpions) to hymenopterans (ants, bees, and wasps) and myriapods (centipedes), are venomous and use their venoms for both defense and predation. These venoms are invariably harmful to humans, and some may cause serious injuries, e.g., those from scorpions, spiders, and wasps. Arthropods’ venoms are also known as rich sources of biologically active compounds and have attracted the attention of toxin researchers for years. In this century, venom component analysis has progressed considerable due to the advances in analytical techniques, in particular, mass spectrometry and next-generation deep (DNA and RNA) sequencing. As such, proteomic and peptidomic analyses using LC–MS have enabled the full analysis of venom components, revealing a variety of novel peptide and protein toxins sequences and scaffolds, potentially useful as pharmacological research tools and for the development of highly selective peptide ligands and therapeutic leads, like chlorotoxin. Due to their specificity for numerous ion-channel subtypes, including voltage- and ligand-gated ion channels, arthropod neurotoxins have been investigated to dissect and treat neurodegenerative diseases and control epileptic syndromes. This Special Issue collects information on such progress, encouraging contributions on the chemical and biological characterization of venom components, not only peptides and proteins, but also small molecules, their mechanisms of action, and the development of venom-derived peptide leads.
Author: CURTIS. WATKINS KLAASSEN (JOHN.)
Publisher:
ISBN: 9781259255359
Category : Poisons
Languages : en
Pages : 524
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Book Description
Author: Jay Fox
Publisher: MDPI
ISBN: 3038424269
Category : Science
Languages : en
Pages : 277
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Book Description
This book is a printed edition of the Special Issue "Snake Venom Metalloproteinases" that was published in Toxins
Author: P. Gopalakrishnakone
Publisher: Springer
ISBN: 9789400766471
Category : Medical
Languages : en
Pages : 550
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Book Description
In recent years, the field of Toxinology has expanded substantially. On the one hand it studies venomous animals, plants and micro organisms in detail to understand their mode of action on targets. While on the other, it explores the biochemical composition, genomics and proteomics of toxins and venoms to understand their three interaction with life forms (especially humans), development of antidotes and exploring their pharmacological potential. Therefore, Toxinology has deep linkages with biochemistry, molecular biology, anatomy and pharmacology. In addition, there is a fast developing applied subfield, clinical toxinology, which deals with understanding and managing medical effects of toxins on human body. Given the huge impact of toxin-based deaths globally, and the potential of venom in generation of drugs for so-far incurable diseases (for example, Diabetes, Chronic Pain), the continued research and growth of the field is imminent. This has led to the growth of research in the area and the consequent scholarly output by way of publications in journals and books. Despite this ever growing body of literature within biomedical sciences, there is still no all-inclusive reference work available that collects all of the important biochemical, biomedical and clinical insights relating to Toxinology. The Handbook of Toxinology aims to address this gap and cover the field of Toxinology comprehensively.
Author: Susumu Ohno
Publisher: Springer Science & Business Media
ISBN: 364286659X
Category : Medical
Languages : en
Pages : 171
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Book Description
It is said that "necessity is the mother of invention". To be sure, wheels and pulleys were invented out of necessity by the tenacious minds of upright citi zens. Looking at the history of mankind, however, one has to add that "Ieisure is the mother of cultural improvement". Man's creative genius flourished only when his mind, freed from the worry of daily toils, was permitted to entertain apparently useless thoughts. In the same manner, one might say with regard to evolution that "natural selection mere(y tnodifted, while redundanry created". Natural selection has been extremely effective in policing alleHe mutations which arise in already existing gene loci. Because of natural selection, organisms have been able to adapt to changing environments, and by adaptive radiation many new species were created from a common ancestral form. Y et, being an effective policeman, natural selection is extremely conservative by nature. Had evolution been entirely dependent upon natural selection, from a bacterium only numerous forms of bacteria would have emerged. The creation of metazoans, vertebrates and finally mammals from unicellular organisms would have been quite impos sible, for such big leaps in evolution required the creation of new gene loci with previously nonexistent functions. Only the cistron which became redun dant was able to escape from the relentless pressure of natural selection, and by escaping, it accumulated formerly forbidden mutations to emerge as a new gene locus.
Author: P. Gopalakrishnakone
Publisher: Springer
ISBN: 9789400763852
Category : Medical
Languages : en
Pages : 636
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Book Description
Clinical toxinologic conditions are becoming increasingly frequent, more so than is generally recognized. The conditions comprise of clinical aspects such as the diagnosis, management, and prevention of snakebite envenoming, scorpion sting, mushroom toxins, plant toxins, and other natural toxins. Clinical toxinology also deals with the ecology, epidemiology, regional differences, and varieties of fauna accounting for different envenoming manifestations. This handbook includes 30 chapters addressing various topics on clinical toxinology such as the epidemiology and management of snakebites in different Asian and African countries, disability following snakebite, effect of snake venoms on hemostasis, socioeconomic aspects of snakebites, therapeutic application of snake venom, scorpion sting in the Middle East, jellyfish sting, etc. These titles are written by experts currently working in the subspecialty, many of whom have first-hand experience in the relevant research fields. In virtually all the topics, appropriate illustrations are provided to simplify comprehension including tables, figures and pictures. This reference work on Clinical Toxinology in Asia Pacific and Africa, in the Toxinology handbook series, is designed to keep readers abreast with new knowledge and experience in toxinology regionally and globally. Toxinologists, researchers, scientists, and experts in this field from various working areas considered it necessary to collect all the aspects of clinical toxinology in a single, handy handbook. This can be used by medical students, postgraduate students, general practitioners, specialists in internal medicine, critical care physicians, emergency physicians, and anesthetists worldwide.
Author: P. Gopalakrishnakone
Publisher: Springer
ISBN: 9789400764514
Category : Medical
Languages : en
Pages : 0
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Book Description
In recent years, the field of Toxinology has expanded substantially. On the one hand it studies venomous animals, plants and micro organisms in detail to understand their mode of action on targets. While on the other, it explores the biochemical composition, genomics and proteomics of toxins and venoms to understand their three interaction with life forms (especially humans), development of antidotes and exploring their pharmacological potential. Therefore, Toxinology has deep linkages with biochemistry, molecular biology, anatomy and pharmacology. In addition, there is a fast developing applied subfield, clinical toxinology, which deals with understanding and managing medical effects of toxins on human body. Given the huge impact of toxin-based deaths globally, and the potential of venom in generation of drugs for so-far incurable diseases (for example, Diabetes, Chronic Pain), the continued research and growth of the field is imminent. This has led to the growth of research in the area and the consequent scholarly output by way of publications in journals and books. Despite this ever growing body of literature within biomedical sciences, there is still no all-inclusive reference work available that collects all of the important biochemical, biomedical and clinical insights relating to Toxinology. The Handbook of Toxinology aims to address this gap and cover the field of Toxinology comprehensively.
Author: P. Gopalakrishnakone
Publisher: Springer
ISBN: 9789400764095
Category : Medical
Languages : en
Pages : 0
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Book Description
In recent years, the field of Toxinology has expanded substantially. On the one hand it studies venomous animals, plants and micro organisms in detail to understand their mode of action on targets. While on the other, it explores the biochemical composition, genomics and proteomics of toxins and venoms to understand their three interaction with life forms (especially humans), development of antidotes and exploring their pharmacological potential. Therefore, Toxinology has deep linkages with biochemistry, molecular biology, anatomy and pharmacology. In addition, there is a fast developing applied subfield, clinical toxinology, which deals with understanding and managing medical effects of toxins on human body. Given the huge impact of toxin-based deaths globally, and the potential of venom in generation of drugs for so-far incurable diseases (for example, Diabetes, Chronic Pain), the continued research and growth of the field is imminent. This has led to the growth of research in the area and the consequent scholarly output by way of publications in journals and books. Despite this ever growing body of literature within biomedical sciences, there is still no all-inclusive reference work available that collects all of the important biochemical, biomedical and clinical insights relating to Toxinology. The Handbook of Toxinology aims to address this gap and cover the field of Toxinology comprehensively.
