作者: 傷心 時(shí)間: 2025-3-22 00:02
Plant Toxinsave directly or indirectly involved toxins from poisonous plants. Socrates’ forced suicide involved a toxic alkaloid from poison hemlock (.), while the many victims of Livia (wife of Emperor Augustus) and Agrippina (wife of Claudius) succumbed to the toxic tropane alkaloids of deadly nightshade (.).作者: TIGER 時(shí)間: 2025-3-22 02:11
Overview of Snake Venom Chemistry, but it probably consists of fifty to sixty components. Each protein possesses its own biological activity. A further complication is that composition and activity of a snake venom vary among the species. In general, the closer the phylogenetic relationship of the snakes, the more similar are the v作者: 兇兆 時(shí)間: 2025-3-22 05:07
Critical Aspects of Bacterial Protein Toxinscal systems. Consideration of the potency of toxins makes them dreadful. For example, based on the lowest minimal lethal dose consideration, botulinum neurotoxin produced by the anaerobic bacteria ., tops the list of known toxins of both proteinaceous and non-proteinaceous nature with a mouse lethal作者: 神圣不可 時(shí)間: 2025-3-22 10:33 作者: Patrimony 時(shí)間: 2025-3-22 15:56
Structure and Function of Cobra Venom Factor, the Complement-Activating Protein in Cobra Venoma toxin in the classical sense. As a matter of fact, the purified molecule is not toxic. It specifically interacts with components of the serum complement system, leading to complement activation which in turn leads to the consumption of complement activity.作者: Aspiration 時(shí)間: 2025-3-22 19:53
A CASE STUDY OF CARDIOTOXIN III FROM THE TAIWAN COBRA (,) Solution Structure and Other Physical Propeurotoxins (long and short), isolated from different snake venom species belonging to the . family show significant amount of homology (50–60%) in their primary amino acid sequences (3,4). More generally, cardiotoxins and neurotoxins belong structurally to the three-finger proteins, which also inclu作者: artifice 時(shí)間: 2025-3-23 01:09 作者: 使更活躍 時(shí)間: 2025-3-23 04:51 作者: 易改變 時(shí)間: 2025-3-23 06:35
Hymenoptera Venom Proteinse serious allergic reactions in man. Because most of the venom proteins are enzymes, specific toxins or other bioactive molecules, their study has led to a number of significant findings in other areas of biology and medicine, beside allergy and immunology. The primary structures of a large series o作者: BOON 時(shí)間: 2025-3-23 11:37 作者: GLIB 時(shí)間: 2025-3-23 17:54 作者: PON 時(shí)間: 2025-3-23 18:30
Atroxase—A Fibrinolytic Enzyme Isolated from the Venuom of Western Diamond Back RattleSnakent thrombolytic agents used to reduce thrombosis are t-PA (tissue plasminogen activator), urokinase, and streptokinase. Although effective, these agents have undesirable side effects such as hemorrhage and reocclusion(2,3). Therefore, the search for safer thrombolytic agents from other sources conti作者: Macronutrients 時(shí)間: 2025-3-23 22:59 作者: flavonoids 時(shí)間: 2025-3-24 06:23
Indian Catfish (,, Hamilton) Venomestigation regarding their venoms and the active components present in the venom. . is one of such major venomous catfish species that is present in the estuaries of eastern India. Sting of these fish produces intense pain, swelling and gangrene of the affected areas. On experimental animals the ven作者: Efflorescent 時(shí)間: 2025-3-24 06:46 作者: 結(jié)構(gòu) 時(shí)間: 2025-3-24 12:19
Structural and Fuctional Studies of Latrodectin from the Venom of Black Widow Spider (,) of view, the study of the molecular composition of spider venoms, is not easy because a large number of venom glands are necessary from animals which are generally small, and frequently, difficult to collect in large number. To avoid these limitations, we have been recently induced to use a molecul作者: 反復(fù)拉緊 時(shí)間: 2025-3-24 15:04
Effects of Toxic Shock Syndrome Toxin-1 and a Site-Directed Mutant, H135A, in Micexins that are intimately linked to many cases of toxic shock syndrome and food poisoning. Staphylococcal food poisoning is often attributed to contaminated meats and dairy products stored at improper temperatures. During the growth of . in food, the bacterium can make staphylococcal enterotoxins (SE作者: 滑動(dòng) 時(shí)間: 2025-3-24 21:24
The Relationship between Histidine Redidues and Various Biological Activities of , Alpha Toxin It has been reported that these biological activities of the toxin are due to the PLC activity (4). We have reported that the toxin-induced contraction of isolated rat ileum or aorta and the toxin-induced hemolysis of rabbit erythrocytes are closely related to phospholipid metabolism stimulated by 作者: 譏笑 時(shí)間: 2025-3-25 00:58
and user-friendly manner.Provides readers with a clear and r.Over the past 50 years more than 100,000 scientific papers, not to mention popular articles and books, have been written about Selenium. These publications continue to appear without showing any sign of diminution today. This mass of writi作者: affinity 時(shí)間: 2025-3-25 03:25 作者: GRIPE 時(shí)間: 2025-3-25 07:48 作者: 慢跑 時(shí)間: 2025-3-25 15:31 作者: FLAIL 時(shí)間: 2025-3-25 18:45 作者: 卷發(fā) 時(shí)間: 2025-3-25 22:59
C. C. Yangand user-friendly manner.Provides readers with a clear and r.Over the past 50 years more than 100,000 scientific papers, not to mention popular articles and books, have been written about Selenium. These publications continue to appear without showing any sign of diminution today. This mass of writi作者: osculate 時(shí)間: 2025-3-26 01:12
Carl-Wilhelm Vogel,Reinhard Bredehorst,David C. Fritzinger,Thomas Grunwald,Patrick Ziegelmüller,Michand user-friendly manner.Provides readers with a clear and r.Over the past 50 years more than 100,000 scientific papers, not to mention popular articles and books, have been written about Selenium. These publications continue to appear without showing any sign of diminution today. This mass of writi作者: MUT 時(shí)間: 2025-3-26 07:10
T. K. S. Kumar,C.-S. Lee,C. Yuand user-friendly manner.Provides readers with a clear and r.Over the past 50 years more than 100,000 scientific papers, not to mention popular articles and books, have been written about Selenium. These publications continue to appear without showing any sign of diminution today. This mass of writi作者: wangle 時(shí)間: 2025-3-26 12:03
Gregory A. Bohach,Cynthia V. Stauffacher,Douglas H. Ohlendorf,Young-In Chi,Gregory M. Vath,Patrick Mtion has been reported for 45 taxa from six dicot families; they are perennials native to seleniferous areas, predominantly in western North America. Compared to other plants, hyperaccumulators are characterized by 10–100× higher Se levels and higher Se to sulfur (S) ratios, suggestive of a transpor作者: 雪白 時(shí)間: 2025-3-26 16:10 作者: Fillet,Filet 時(shí)間: 2025-3-26 20:45
Donald R. Hoffmantion has been reported for 45 taxa from six dicot families; they are perennials native to seleniferous areas, predominantly in western North America. Compared to other plants, hyperaccumulators are characterized by 10–100× higher Se levels and higher Se to sulfur (S) ratios, suggestive of a transpor作者: nutrition 時(shí)間: 2025-3-26 22:55 作者: 叢林 時(shí)間: 2025-3-27 03:09
V. Choumet,C. Bouchier,E. Délot,G. Faure,B. Saliou,C. Bon, Se can also behave as a powerful toxicant for bacterial homeostasis. Conversely, bacteria play a tremendous role in the cycling of Se between different environmental compartments, and bacterial metabolism has been shown to participate to all valence state transformations undergone by Se in nature.作者: mitral-valve 時(shí)間: 2025-3-27 06:29 作者: 讓空氣進(jìn)入 時(shí)間: 2025-3-27 13:09 作者: Buttress 時(shí)間: 2025-3-27 15:39 作者: 表示向下 時(shí)間: 2025-3-27 21:38 作者: 不舒服 時(shí)間: 2025-3-27 22:54
A. Grasso,M. Pescatoriprotective properties, neurodegenerative pathologies, and prevention of effects of diabetes, among others. In addition, selenoamino acids play a basic role in the global equilibrium of key selenium-biomolecules synthesis, including selenoprotein P, selenoalbumin, and glutathione peroxidase. Homeosta作者: happiness 時(shí)間: 2025-3-28 03:55
B. G. Stiles,T. Krakauer,P. F. Bonventreerdisciplinary point of view including chemistry, biology an.Selenium has a long history of association with human health and disease. This essential trace element exerts its important biological role in selenoproteins. "Selenoproteins and Mimics" presents the latest developments in selenoproteins, 作者: parsimony 時(shí)間: 2025-3-28 09:23
Masahiro Nagahama,Sadayuki Ochi,Keiko Kobayashi,Jun Sakurait and further reading in this rapidly evolving specialty. I have included a series of common and uncommon cases that I have seen over the past decade in a busy consultative practice and have inserted up-to-date ref- ences and questions you may be asked on ward rounds or in clinic. My hope is that it作者: 使閉塞 時(shí)間: 2025-3-28 14:10 作者: anticipate 時(shí)間: 2025-3-28 17:15
A CASE STUDY OF CARDIOTOXIN III FROM THE TAIWAN COBRA (,) Solution Structure and Other Physical Propxins is well identified as the nicotinic acetylcholine receptor at the post–synaptic level of the neuro-muscular junction (9,10). Even if a detailed mechanism is not known, it is clear that the function of neurotoxins is to block the receptor and thus prevent binding of acetylcholine receptor (11,12作者: 不要不誠實(shí) 時(shí)間: 2025-3-28 22:00 作者: 喃喃而言 時(shí)間: 2025-3-29 01:04
Structure and Functions of Coagulation Factor IX/Factor X-Binding Protein Isolated from the Venom ofnticoagulant protein forms a complex with either coagulation factor IX or factor X with a stoichiometry of 1 to 1 in a calcium-dependent fashion, and thereby blocks the amplification of the coagulation cascade (7). Thus, we named it IX/X-bp (factor IX/factor X-binding protein). This chapter describe作者: obligation 時(shí)間: 2025-3-29 06:56 作者: Pruritus 時(shí)間: 2025-3-29 10:25 作者: paradigm 時(shí)間: 2025-3-29 14:11
Neurotoxin from Black Widow Spider Venom Structure and Functions of the toxin deduced from the cDNA considerably differs from that determined for α-LTX by means of SDS gel electrophoresis (Ushkarev & Grishin, 1986) assuming possible processing in the C-terminal part of the polypeptide chain during its maturation. The size of the α-LTX molecule as well as its mu作者: 背信 時(shí)間: 2025-3-29 19:29
Structural and Fuctional Studies of Latrodectin from the Venom of Black Widow Spider (,)uence available for the toxin (Pescatori et al., 1995). In fact, alpha-latrotoxin was considered to be a single-polypeptide toxin that exerts its neurotoxic action, by dramatically affecting synaptic vesicles exocytosis at the nerve endings (Grasso, 1988). The finding that this toxin could stimulate作者: 舊式步槍 時(shí)間: 2025-3-29 21:54 作者: 金盤是高原 時(shí)間: 2025-3-30 01:39 作者: Tonometry 時(shí)間: 2025-3-30 07:15
Paul J. Scheuerthe competing claims for and against Selenium’s value as a nutritional supplement, and for professionals who want to keep abreast of the latest findings about its potential role in the management of human health..978-1-4419-4117-6978-0-387-33244-4作者: 紳士 時(shí)間: 2025-3-30 11:25 作者: prodrome 時(shí)間: 2025-3-30 13:28 作者: 伙伴 時(shí)間: 2025-3-30 18:32 作者: Optometrist 時(shí)間: 2025-3-30 22:57 作者: Cholagogue 時(shí)間: 2025-3-31 04:13 作者: prostate-gland 時(shí)間: 2025-3-31 05:20 作者: Jocose 時(shí)間: 2025-3-31 11:31 作者: 口訣 時(shí)間: 2025-3-31 16:34
Gregory A. Bohach,Cynthia V. Stauffacher,Douglas H. Ohlendorf,Young-In Chi,Gregory M. Vath,Patrick Mbiochemical investigations into the mechanisms of Se hyperaccumulation indicate that hyperaccumulators have constitutive high expression of several sulfate/selenate transporters that likely mediate Se uptake and translocation. They also have enhanced transcript levels of several enzymes in the sulfa作者: Mundane 時(shí)間: 2025-3-31 17:47 作者: HARP 時(shí)間: 2025-3-31 23:01
Donald R. Hoffmanbiochemical investigations into the mechanisms of Se hyperaccumulation indicate that hyperaccumulators have constitutive high expression of several sulfate/selenate transporters that likely mediate Se uptake and translocation. They also have enhanced transcript levels of several enzymes in the sulfa作者: 浮雕 時(shí)間: 2025-4-1 05:55
Takashi Morita,Hideko Atoda,Fujio Sekiyaoding genes. Among these, two thioredoxin reductases and one isoenzyme of glutathione peroxidase are essential for embryogenesis. For maintaining health and minimizing disease risks the human recommended daily intake is at least 50 μg Se per day. The majority of nutritional Se is provided in the for作者: 河流 時(shí)間: 2025-4-1 08:47 作者: 社團(tuán) 時(shí)間: 2025-4-1 13:25 作者: ureter 時(shí)間: 2025-4-1 17:29
H. Nakagawa,H. Hashimoto,H. Hayashi,M. Shinohara,K. Ohura,E. Tachikawa,T. Kashimotoeries three-dimensional chromatography: size exclusion, affinity, and anion exchange high performance liquid chromatography (3D/SE-AF-AEC-HPLC), using different columns of each type and hyphenation to inductively coupled plasma-(quadrupole) mass spectrometry (ICP-MS). The method allows the quantitat作者: buoyant 時(shí)間: 2025-4-1 20:43 作者: 影響 時(shí)間: 2025-4-2 01:07
