Fermentation Lab Report

Science & technology   |   Biology   |   Case study   |   10/23/2007   |   .doc   |   4 pages
Document abstract : «Cells need energy to do work to carry out metabolic processes that keep them alive and functioning. This energy is stored in the form of ATP, which stands for adenosine triphosphate. All plant and animal cells use a process known as cellular...»

Synopsis abstract : «Introduction. Methods. Results. Discussion. Works cited....»

Crohn's Disease

Science & technology   |   Medical studies   |   Presentation   |   10/23/2007   |   .doc   |   2 pages
Document abstract : «Crohn's Disease is a form of ileitis, or inflammation of the ileum, which is the terminal portion of the small intestine. It is characterized by abdominal pain, ulceration, and fibrous tissue buildup in the terminal portion of the ileum. This is a...»

Synopsis abstract : «Introduction. Ulcerative Colitis . The use of PCE-SSO techniques in a study. Two different types of Crohn's disease . Non perforating Crohn's Disease. Its association with enteric microorganisms. Conclusion. Sourc...»

Development in LSD Synthesis

Science & technology   |   Physics & chemistry   |   School essay   |   10/23/2007   |   .doc   |   3 pages
Document abstract : «LSD, the common abbreviation for Lysergic Acid Diethylamide-25, often termed "acid" in the streets, is one of the most potent hallucinogenic substances known to man. The chemical was actually synthesized for the first time in 1938 by a German...»

Synopsis abstract : «Introduction. Synthesizing LSD-25 . The traditional synthesis of the compound. The process. Obtaining the crystals of Lysergic acid from the LSA. Conclusion. Bibliography....»

Bear Attacks

Science & technology   |   Biology   |   Research papers   |   10/23/2007   |   .doc   |   5 pages
Document abstract : «Bears are one of the most widely distributed animals in the world. At least one of the eight bear species currently exists in Asia, Europe, North and South America, and the Arctic. Bears in Africa became extinct several million years ago. Australia...»

Synopsis abstract : «Introduction. The image of bears as 'Man eaters'. North American bears. Grizzly bears . Black bears. Polar bears. Discussion. References....»

Generating Electricity

Science & technology   |   Physics & chemistry   |   Presentation   |   11/13/2007   |   .ppt   |   10 slides
Document abstract : «The blade of a turbine is tilted an angle. Movement of the air is channeled creating low and high pressures on the blade that force it to move. The blade is connected to a shaft which in turn is connected to an electrical generator. The...»

Synopsis abstract : «Introduction. Problems with wind power. Offshore vs. onshore. Locations. Bibliography....»

The Effect of Ampicillin Amounts and Incubation Time on E. Coli Growth

Science & technology   |   Biology   |   Research papers   |   11/13/2007   |   .doc   |   5 pages
Document abstract : «Penicillin, derived from the soil mold Penicillium, was the primary antibiotic used to cure bacterial infections after being discovered in 1928 by Alexander Fleming. Briefly following its discovery and mass production bacteria began expressing...»

Synopsis abstract : «Introduction. Antibiotic resistance . E coli . Resistance to bacteria . Materials and methods . Results. Discussion. References....»

Toxic Plant Ingestions

Science & technology   |   Biology   |   Research papers   |   11/13/2007   |   .doc   |   6 pages
Document abstract : «Plants have served as both poisons and medicines. Dioscorides listed several hundred plant species in his first Materia Medica in 78 BC. Galen, in second-century Rome, catalogued plants, including those containing opiates, ergotamines, and other...»

Synopsis abstract : «Introduction. Method. The use of different instruments. The use of a manual sphygmomanometer. Oxygen consumption. Results. Discussion. References....»

Mushroom Toxicity

Science & technology   |   Biology   |   Research papers   |   11/13/2007   |   .doc   |   3 pages
Document abstract : «Mushrooms are often considered the vermin of the vegetable world, likened to snakes, slugs, and worms. Some are regarded as mystical and others as delicacies. The location of tasty morels is passed from generation to generation, closely guarded from...»

Synopsis abstract : «Introduction. The body of a fungus . Nontoxic mushrooms. Conclusion. References....»

Neuropsychiatric Aspects of Aging

Science & technology   |   Medical studies   |   Research papers   |   11/13/2007   |   .doc   |   3 pages
Document abstract : «The process of aging produces important physiologic changes in the central nervous system, including neuroanatomic, neurotransmitter, and neurophysiologic changes. These processes result in age-related symptoms and manifestations for many older...»

Synopsis abstract : «Overview. Mental status examination. Functional assesment. Psychoactive effects of drugs in older patients. Adverse drug events in the elderly. Drughs with psychoactive effects. Principles of drug therapy in the eld...»

North American Arthropod Envenomation and Parasitism

Science & technology   |   Biology   |   Research papers   |   11/19/2007   |   .doc   |   2 pages
Document abstract : «The phylum Arthropoda contains about four fifths of the known animals of the world, and insects are the largest group of arthropods. Insects are an important part of the biota of all terrestrial and freshwater environments that support life; only in...»

Synopsis abstract : «Introduction. Beetles and other insects. Delusions of parasitosis. Conclusion. References....»

North American Venomous Reptile Bites

Science & technology   |   Biology   |   Research papers   |   11/19/2007   |   .doc   |   2 pages
Document abstract : «North America is unique in that it is home not only to venomous snakes, but also to the world's only known venomous lizards. Fortunately, bites by venomous reptiles in North America are relatively uncommon, although precise statistics are not...»

Synopsis abstract : «Introduction. Snake venoms . Allergy to reptile venoms. Bites by exotic snakes in the United States. References....»

Scorpion Envenomation

Science & technology   |   Biology   |   Research papers   |   11/19/2007   |   .doc   |   2 pages
Document abstract : «Scorpion envenomation can result in distinct clinical syndromes. Most scorpion species' stings cause only local pain and inflammation that respond well to minimal supportive therapy and wound care. These scorpions pose no significant management...»

Synopsis abstract : «Introduction. Taxonomy and anatomy. Venom. Prevention. References....»

Perspectives on Obstetrics

Science & technology   |   Medical studies   |   School essay   |   11/19/2007   |   .doc   |   3 pages
Document abstract : «Medical writers have recently turned to the opening line of Charles Dickens's A Tale of Two Cities to describe these prevailing times in medicine and obstetrics as "the best of times. . . the worst of times. . ." (Grumbach, 1999; Morrison, 2000)....»

Synopsis abstract : «Introduction. The 50th anniversary of the American College of Obstetricians and Gynecologists . Indicators from the National Center for Health Statistics and the Centers for Disease Control and Prevention indicating reproductive disadvantage of...»

Human Pregnancy

Science & technology   |   Medical studies   |   School essay   |   11/19/2007   |   .doc   |   2 pages
Document abstract : «Healthier mothers and babies ranks as one of the 10 great public health achievements in the United States between 1900 and 1999. At the beginning of the century, almost 1 in every 100 women giving birth in this country died of pregnancy-related...»

Synopsis abstract : «Obstetrics inbBroad perspective . Vital statistics. Definitions....»

Wasting Away

Science & technology   |   Medical studies   |   School essay   |   11/19/2007   |   .doc   |   2 pages
Document abstract : «Over the centuries, numerous scientists have devoted their lives to curing the ailments that have plagued mankind. While some diseases (such as polio) have been heroically defeated, others still kill millions of people every year. HIV/AIDS, Ebola,...»

Synopsis abstract : «Introduction. Discussion of eating disorders as biological ailments. The American society and the need for the woman to be thin to be deemed 'attractive' . Tracing the link between media representations of women and cases of eating...»

Diptera: Two-winged flies

Science & technology   |   Biology   |   Research papers   |   11/20/2007   |   .doc   |   5 pages
Document abstract : «Insects of the order Diptera are characterized by one pair of wings. The second pair is usually modified to form a pair of drumsticklike structures known as halteres. A typical life cycle consists of eggs, limbless larvae, pupae, and winged adults,...»

Synopsis abstract : «Introduction. Biting midges (Culicoides). Blackflies (Simuliidae). Horseflies and deerflies (Tabanidae). Other biting diptera. Myiasis. Furuncular myiasis. Migratory myiasis. Wound myiasis. Conclusion. References....»

Venomous Species and Venoms

Science & technology   |   Biology   |   Research papers   |   11/20/2007   |   .doc   |   2 pages
Document abstract : «Insects of the order Lepidoptera typically cause human envenomation, but effects generally are less serious than with hymenopterans. Injury usually follows contact with caterpillars, occurring less frequently with the cocoon or adult stage. The...»

Synopsis abstract : «Introduction. Venoms in Lepidoptera . The most important venomous caterpillar in the US. Stinging patterns. Clinical aspects. Treatment and prevention. Conclusion. References....»

Bees, Wasps and Ants

Science & technology   |   Biology   |   Research papers   |   11/20/2007   |   .doc   |   4 pages
Document abstract : «By far the most important venomous insects are members of the order Hymenoptera, including bees, wasps, and ants. They vary in size from minute to large (up to 60 mm in body length). The abdomen and thorax are connected by a slender pedicle that may...»

Synopsis abstract : «Introduction. Bees. The honeybee (Apis mellifera). The first escapes from hives . Fatal attacks around the world. Wasps. Social wasps . Solitary wasps . Ants. Harvester ants . Stinging patterns. Venom and venom appa...»

Lice

Science & technology   |   Biology   |   Research papers   |   11/20/2007   |   .doc   |   2 pages
Document abstract : «Lice are small wingless insects that are ectoparasites of mammals. They are mostly host specific, and two species are human parasites: Pthirus pubis (pubic louse) and Pediculus humanus, with two varieties, P. h. capitis (head louse) and P. h....»

Synopsis abstract : «Species, life cycle, and distribution. Clinical aspects. Treatment and prevention. Conclusion. References....»

Mites

Science & technology   |   Biology   |   Research papers   |   11/20/2007   |   .doc   |   4 pages
Document abstract : «Mites make up the largest group in the class Arachnida. Most are small arthropods, and many are barely visible. Mites have two body regions, a small cephalothorax and a larger, unsegmented abdomen. The cephalothorax and abdomen are broadly joined,...»

Synopsis abstract : «Species, life cycle, and distribution. Scabies. Life cycle. Clinical aspects. Treatment and prevention. Zoonotic scabies. Trombiculid mites. Miscellaneous mites. Parasitiformes. Acarinifor...»

Pinus strobus - Eastern White Pine

Science & technology   |   Biology   |   Presentation   |   11/20/2007   |   .ppt   |   26 slides
Document abstract : «Common: Eastern White Pine Scientific: Pinus strobus Derivation of name: Latin name for pine from Greek "pitus" / incense-bearing or a gum-yielding tree (pitchy) or [sic] Greek "strobus" (cone) [1] Also known as: white pine, northern white...»

Synopsis abstract : «Family Pinacea. More detail of Subgenus Strobus. Close relatives. How to identify White Pine. Place/Habitat. Conservation status. Associated animals. Mycorrhizae. Folk medicinal properties. Economic importance. Evolutionary history. Biggest white...»

Gas Chromatography

Science & technology   |   Physics & chemistry   |   Case study   |   11/20/2007   |   .doc   |   4 pages
Document abstract : «Chromatography is a technique used to separate and analyze chemicals. It was initially discovered in the early 1900's by chemist Mikhail Tsvett who was researching chlorophyll to separate plant pigments.1 The components undergoing separation are...»

Synopsis abstract : «Introduction. Procedure. Results. Discussion. Conclusion. References....»

Physiology of Pregnancy

Science & technology   |   Medical studies   |   Research papers   |   11/20/2007   |   .doc   |   4 pages
Document abstract : «Endometrium/decidua is the anatomical site of blastocyst apposition, implantation, and placental development. The endometrium is the mucosal lining of the uterine cavity and the decidua is the highly modified and specialized endometrium of...»

Synopsis abstract : «Maternal tissues of the fetal-maternal communication system. The cardinal function of the uterus . Overview of endometrial function . The accommodation of pregnancy as the cardinal function of the endometrium/decidua. Specialized functions of the...»

Neuropeptides: Biology and Regulation

Science & technology   |   Biology   |   Research papers   |   11/26/2007   |   .doc   |   7 pages
Document abstract : «The past several decades have witnessed a veritable explosion of knowledge about the central nervous system (CNS), and in no area has this been as impressive as in peptide neurobiology. Numerous peptide neurotransmitter candidates have been...»

Synopsis abstract : «Introduction. Definition of a neuropeptide . The known behavioral effects of neuropeptides . The differences between neuropeptides and the classic monoamine and amino acid neurotransmitters. Distribution. Location of neuropeptides . Neuropeptides:...»

Receptors and Second Messengers

Science & technology   |   Biology   |   Research papers   |   11/26/2007   |   .doc   |   11 pages
Document abstract : «Neuropeptide receptors have undergone the same process of discovery and characterization that receptors for other neurotransmitters have enjoyed. The process begins with the pharmacological characterization of the receptor's physicochemical binding...»

Synopsis abstract : «Introduction. A powerful tools of molecular biology . Receptor population for peptides . Neuropeptide and second messenger signal transduction systems. Peptidases. Description. The metabolism of TRH . Neuroendocrine secretion. The peptides involved...»

Principles of Cellular Electrophysiology

Science & technology   |   Biology   |   Research papers   |   11/26/2007   |   .doc   |   3 pages
Document abstract : «Resting Membrane Potential In nerve cells, potassium ions (K+) are at higher concentration inside the membrane than outside whereas the opposite is true for sodium (Na+), calcium (Ca2+), and chloride (Cl-) ions (Fig. 1.9-1). The bulk solutions on...»

Synopsis abstract : «Introduction. The neuronal membranes . Passive membrane properties. Conductance . Capacitance. Active membrane properties. Action potentials. The K+ equilibrium potential . Conclusion. References....»

Sybaptic Plasticity

Science & technology   |   Biology   |   Research papers   |   11/26/2007   |   .doc   |   4 pages
Document abstract : «In its simplest form, the postsynaptic response to neurotransmitter release can be mediated by a single protein complex. For example, nicotinic acetylcholine receptors are self-contained stimulus-response modules that both detect a stimulus,...»

Synopsis abstract : «Introduction. Long term depression . Long term potentiation . The role of phosphorylation . Actions of psychotropic drugs . Conclusion. References....»

Neurotransmitter and Ion Channels

Science & technology   |   Biology   |   Research papers   |   11/26/2007   |   .doc   |   3 pages
Document abstract : «Classes of Neurotransmitters Much of the information transfer between neurons in the CNS occurs via chemical synapses. These synapses use a variety of messengers (neurotransmitters) that are released in a Ca2+-dependent fashion from presynaptic...»

Synopsis abstract : «Introduction. Conductance mechanisms underlying neurotransmitter actions . Structure of neurotransmitter receptors . Conclusion. References....»

Ion Channels

Science & technology   |   Biology   |   Research papers   |   11/26/2007   |   .doc   |   6 pages
Document abstract : «Structure and Function of Voltage-Gated Ion Channels Voltage-gated ion channels allow the flow of ions in response to changes in membrane voltage and are key elements in neuronal excitation and inhibition. Although ion channels can usually pass more...»

Synopsis abstract : «Introduction. The relation between primary protein structure and ion channel function . Toxins isolated from the buttercup family . Potassium (K+) channels . Delayed rectifier channels . M channels . KATP channels . Calcium (Ca2+) channels...»

Intraneuronal Signaling Pathways

Science & technology   |   Biology   |   Research papers   |   11/26/2007   |   .doc   |   7 pages
Document abstract : «Prior to delineating the organization of specific intraneuronal signaling pathways, it is important to consider, in general terms, their role in helping neurons interpret and respond to the barrage of afferent stimulation impinging on them...»

Synopsis abstract : «Introduction. Intraneuronal signaling pathways . The concept of neurons or networks of neurons. Major signaling pathways. Neurotransmitter receptors . Cyclic AMP . Cyclic GMP . Phosphoinositide (PI). Direct coupling between G proteins and ion...»

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