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| Biosolution |
| Biosolutions is a repository of Biological animations and lectures. The aim of site is create knowledge base among the students community |
| Language: English |
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| Total Unique Visitors: 3931917 |
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| Total Visitors Out: 6700 |
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| Anatomy and Diseases of the Basal Ganglia |
| 2009-06-25 01:52:00 |
Basal ganglia (or basal nuclei) are a group of nuclei in the brain interconnected with the cerebral cortex, thalamus and brainstem. Mammalian basal ganglia are associated with a variety of functions: motor control, cognition, emotions, and learning. In modern use the term 'ganglia' is in this instance considered a misnomer; 'ganglion' refers to concentrations of neural nuclei in the periphery only (for example those of the autonomic nervous system), and the term 'basal nuclei' is preferred.The five individual nuclei that make up the primate basal ganglia, along with their major subdivisions, are:rostralthe striatum, which consists ofputamencaudate nucleusexternal segment of the globus pallidus (GPe)internal segment of the globus pallidus (GPi)caudalsubthalamic nucleus (STN)substantia nigra...
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| Intestinal Fatty Acid Binding Protein |
| 2009-06-25 01:37:00 |
The intestinal fatty acid binding protein (I-FABP) belongs to a family of 15 kDa clamshell-like proteins that are found in many different tissues. So far, nine types have been identified. Their primary structures are highly conserved between species but somewhat less so among the different types. The function of these proteins, many of which are highly expressed, is not well understood. Their ability to bind lipid ligands suggests a role in lipid metabolism, but direct evidence for this idea is still lacking....
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| Lipoproteins that Circulate in the Blood Collecting Fat |
| 2009-06-25 00:48:00 |
High-density lipoproteins (HDL), often referred to as the "Good Cholesterol", circulates in the blood stream collecting fat and cholesterol from arteries and transporting them to the liver for removal. The movie shows how these lipoproteins (in blue and green) can gather the fat molecules (in white and brown) into small particles allowing them to flow through blood vessels....
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| EGFR Pathway |
| 2009-06-24 22:45:00 |
EGFR is a transmembrane tyrosine kinase receptor that plays a central role in regulating cell division and death. EGFR belongs to the HER family of receptors which comprise four related proteins (EGFR(HER1/ErbB1), ERBB2(HER2), ERBB3(HER3) and ERBB4(HER4)). The HER receptors are known to be activated by binding to different ligands, including EGF, TGFA, heparin-binding EGF-like growth factor, amphiregulin, betacellulin, and epiregulin. After a ligand binds to the extracellular domain of the receptor, the receptor forms functionally active dimers (EGFR-EGFR (homodimer) or EGFR-HER2, EGFR-HER3, EGFR-HER4 (heterodimer)). Dimerization induces the activation of the tyrosine kinase domain, which leads to autophosphorylation of the receptor on multiple tyrosine residues. This leads to recruitment ...
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| DMT biosynthesis |
| 2009-06-24 05:57:00 |
Dimethyltryptamine (DMT), also known as N,N-dimethyltryptamine, is a naturally-occurring tryptamine and potent psychedelic drug,found not only in many plants, but also in trace amounts in the human body where its natural function is undetermined. Structurally, it is analogous to the neurotransmitter serotonin and other psychedelic tryptamines such as 5-MeO-DMT and 4-HO-DMT. DMT is created in small amounts by the human body during normal metabolism by the enzyme tryptamine-N-methyltransferase. Many cultures, indigenous and modern, ingest DMT as a psychedelic in extracted or synthesized forms. Pure DMT at room temperature is a clear or white to yellowish-red crystalline solid. A laboratory synthesis of DMT was first reported in 1931, and it was later found in many plantsDimethyltryptamine. (...
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| Stroke Basics |
| 2009-06-24 02:38:00 |
Stroke is the third leading killer and the most common cause of adult disability in the United States. When a stroke happens, minutes matter. Knowing the signs of a stroke and acting quickly are essential. Join David Granet, MD, and his guest, Patrick Delaney, MD, noted stroke expert and author of The Legend Healer, as they discuss stroke basics....
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| Darvocet |
| 2009-06-24 02:00:00 |
Dextropropoxyphene, manufactured by Eli Lilly and Company, is an analgesic in the opioid category. It is used to treat mild pain and is additionally an anti-tussive and local anesthetic.Dextropropoxyphene is sometimes combined with acetaminophen or acetylsalicylic acid. Trade-names include Darvocet-N and DigesicDarvon with APAP for dextropropoxyphene and paracetamol and Darvon with ASA for dextropropoxyphene and aspirin. The paracetamol combination(s) are known as co-proxamol or in the United Kingdom, Capadex or Di-Gesic in Australia, and Lentogesic in South Africa....
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| Genomic Advances on a Grand Scale |
| 2009-06-24 00:37:00 |
For more than two decades J. Craig Venter and his research teams have been pioneers in genomic research. Regarded as one of the leading scientist of the 21st century, Venter discusses how he is applying tools and techniques developed to sequence the human genomes to discover new genes of microbes from around the world.J. Craig Venter is an American biologist and businessman. Venter founded The Institute for Genomic Research and has been credited with being instrumental in mapping the human genome.His for-profit efforts used public domain data generated by the Human Genome Project, but could be used to generate high quality data on their own. He was listed on Time Magazine's 2007 and 2008 Time 100 list of the most influential people in the world....
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| Muscle contractile protiens |
| 2009-06-24 00:23:00 |
Myofibrils (obsolete term: sarcostyles) are cylindrical organelles. They are found within muscle cells. They are bundles of actomyosin filaments that run from one end of the cell to the other and are attached to the cell surface membrane at each end.Actomyosin motors are important in muscle contraction (relying in this case on "classical myosins") as well as other processes like retraction of membrane blebs, filiopod retraction, and uropodium advancement (relying in this case on "nonclassical myosins").StructureThe filaments of myofibrils, myofilaments, consist of two types, thick and thin.* Thin filaments consist primarily of the protein actin, coiled with nebulin filaments.* Thick filaments consist primarily of the protein myosin, held in place by titin filaments.The protein complex comp...
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| Low Back Pain |
| 2009-06-23 23:13:00 |
Dr. John Chardos Department of Medicine (VA) on the cause, treatment and prevention of low back pain. Most people have experienced low back pain at one time or another, so it is no surprise that it is one of the most common problems in primary care. Although it is so common, it is not clear how to best treat back pain. John Chardos, MD presents information to better understand back pain and what can be done to manage it...
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