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Polymer physics of intracellular phase transitions
Polymer physics of intracellular phase transitions

... are thus ubiquitous in cells, and contribute to numerous important biological functions, including the storage and processing of RNA and other biomolecules. There is also a growing appreciation of the relevance of these structures to pathological protein aggregates7,8 . Recent studies have focused o ...
Reading Science! 6.12CD: Classification of Organisms What’s In A Name? Lexile 870L
Reading Science! 6.12CD: Classification of Organisms What’s In A Name? Lexile 870L

... Some organisms have only one cell and called unicellular. These organisms include bacteria, protists, archae, and some fungi. Because they only have one cell, these organisms are usually tiny. However, some are large enough to be seen with the naked eye. These organisms must carry out all life proce ...
Cytotoxic T Cell Lysis of Target Cells Fused with Liposomes
Cytotoxic T Cell Lysis of Target Cells Fused with Liposomes

... The lytic activity of secondary cytotoxic lymphocytes against influenza A virus was tested on cells which had been fused with liposomes containing the haemagglutinin and the neuraminidase of an avian influenza A virus (fowl plague virus, FPV). Fusion was obtained solely by the activity of the haemag ...
Neuronal Modeling
Neuronal Modeling

... closed states  If an ion channel can switch its state due to changes in membrane potential, it is said to be voltage-sensitive  A membrane containing voltage-sensitive ion channels and/or ion pumps is said to be an excitable membrane ...
CD38 positive natural killer cells may be involved in progression of
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Syllabus - Frenship
Syllabus - Frenship

... 7:50 every morning if you have questions or concerns. I will also be posting 2 weekly afternoon tutorial times. If there is a situation that needs to be resolved one-on-one, then the student can request additional tutorial times. This course will have an online component, accessed through the FISD w ...
In yeast, the pseudohyphal phenotype induced by isoamyl alcohol
In yeast, the pseudohyphal phenotype induced by isoamyl alcohol

... 110-minute doubling-time of the untreated control culture (Fig. 1D). By 8 hours, 50% of the cells had two or more buds (Fig. 1B). In about 20% of the filaments, large round cells were observed at either end of the chain (Fig. 1A,C). Some filaments produced side branches (arrow, Fig. 1A). Initially, ...
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... Streak Plate Method Principle: In order to study microbiology systematically, it is necessary to examine characteristic behavior of one kind of organisms at a time. Several different methods are used for the isolation of pure culture of microorganisms. These isolation methods usually involve separat ...
View PDF - CiteSeerX
View PDF - CiteSeerX

... enumeration of bacteria. The direct total count (TC) of bacteria can be done by staining microbial nucleic acids with 4′,6-diamino-2-phenylindole (DAPI) or acridine orange (1). The fluorescence of DAPI-stained bacteria greatly depends on the sample, and thus the performance of the detection method i ...
Biodiversity
Biodiversity

... 3. coevolution: process by which two species evolve in response to changes in each other over time. 4. convergent evolution: process by which unrelated organisms independently evolve similarities when adapting to similar environments. 5. endosymbiotic theory: theory that proposes that eukaryotic cel ...
Microcavity Lasers for Cancer Cell Detection
Microcavity Lasers for Cancer Cell Detection

... http://www.cancer.umn.edu/page/docs/fcintro.pdf NASA, Cancer Detection Device, SpinOff (1998) ...
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Slide 1

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Bacterial Systems for Assembly, Secretion and Targeted
Bacterial Systems for Assembly, Secretion and Targeted

... Pathogenic bacteria of animals and plants have developed an astonishing set of tools that allow them to survive in their hosts. These effectors of infection or virulence factors are often delivered into eukaryotic host cells where they interfere with host cell signalling, thereby causing a variety o ...
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... • most abundant circulating leukocyte myeloid progenitor (bone marrow) ...
Microbiology
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...  After the parasite enters the RBC, it grows rapidly utilizing host nutrients.  As it grows, the parasite takes on different shapes & sizes. The nucleus then divides into several portions to form multinucleated Schizont ...
bacteria - CNR WEB SITE
bacteria - CNR WEB SITE

... The spherical cells divide by binary fission into two daughter cells each of which assume the size of the mother cell and becomes separated. The usual method of reproduction is by binary fission. Cells are divided by a simple division into two halves. Each half becomes an independent individual. The ...
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Regents Biology
Regents Biology

... likes trees to smaller and smaller arteries At their narrowest vessels are capillaries where materials can be exchanged between cells and the blood Blood flows from small capillaries to small veins which meet up with other small veins to form large veins ...
Shininger, AnnRev. Plant Physiol. 1979 30:313-37
Shininger, AnnRev. Plant Physiol. 1979 30:313-37

... currently called procambiumduring primary development or cambium during secondary development?Havethey, at the time at which they becomecytologicallyidentifiable, actually progressedtowarddifferentiation into xylemor phloem,or are they simply ordinary meristematic cells? Answersto these questions ca ...
Chloride Channels Regulate HIT Cell Volume but Cannot
Chloride Channels Regulate HIT Cell Volume but Cannot

... roles of cations and membrane cation channels in islet function (1), by comparison, there is little detailed information available concerning the physiological role of anions or anion-handling mechanisms in islets. This is true even though it has been known for some time that islets have glucose-sen ...
Confocal imaging of glial cells in the intact rat optic nerve
Confocal imaging of glial cells in the intact rat optic nerve

... aldehyde, dehydrated in alcohols, and whole-mounted cell bodies and processes to be oriented in the transverse plane, to the long axis of the nerve (Fig. 2A). in methyl salicylate. Forty LRD-filled cells were imaged on a confocal la- Processes were predominantly smooth, fine calibre and ser scanning ...
12.1: The Function of Circulation page 478 Key Terms: Circulatory
12.1: The Function of Circulation page 478 Key Terms: Circulatory

... Vein: the vein has thinner walls and is less elastic. The veins can expand their diameter wider then arteries but they do not contract back to their original diameter right away, therefore not creating pressure o the movement of blood. To maintain one way directional flow of blood in these vessel th ...
Full Text - Digital Access to Scholarship at Harvard
Full Text - Digital Access to Scholarship at Harvard

... immunotherapeutic strategies used in the treatment of melanoma in an adjuvant setting.[27, 28] It has been described to exert beneficial immunomodulatory effects in Treg and melanoma cells.[29] Therefore, we analyzed the impact of IFN-α on GARP expression of melanoma and Treg. Melanoma cells culture ...
Modeling the optical absorption within conjugated polymer
Modeling the optical absorption within conjugated polymer

... electron transfer from the MDMO-PPV to PCBM takes place upon light excitation [2,3]. Then the respective charge carriers (electrons and holes) are transported within the two separate materials to the electrical contacts of the solar cell. The performance of these plastic solar cells based on bulk he ...
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Organ-on-a-chip

An organ-on-a-chip (OC) is a multi-channel 3-D microfluidic cell culture chip that simulates the activities, mechanics and physiological response of entire organs and organ systems. It constitutes the subject matter of significant biomedical engineering research, more precisely in bio-MEMS. The convergence of labs-on-chips (LOCs) and cell biology has permitted the study of human physiology in an organ-specific context, introducing a novel model of in vitro multicellular human organisms. One day, they will perhaps abolish the need for animals in drug development and toxin testing.Although multiple publications claim to have translated organ functions onto this interface, the movement towards this microfluidic application is still in its infancy. Organs-on-chips will vary in design and approach between different researchers. As such, validation and optimization of these systems will likely be a long process. Organs that have been simulated by microfluidic devices include the heart, the lung, kidney, artery, bone, cartilage, skin and more.Nevertheless, building valid artificial organs requires not only a precise cellular manipulation, but a detailed understanding of the human body’s fundamental intricate response to any event. A common concern with organs-on-chips lies in the isolation of organs during testing. ""If you don’t use as close to the total physiological system that you can, you’re likely to run into troubles"" says William Haseltine, founder of Rockville, Maryland. Microfabrication, microelectronics and microfluidics offer the prospect of modeling sophisticated in vitro physiological responses under accurately simulated conditions.
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