 | Examine the transport of viruses during artificial recharge with recycled water
Determine under actual recharge conditions (1) the degree to which a surrogate for human enteric viruses is attenuated as reclaimed water percolates through the unsaturated zone to the water table; (2) the degree to which the surrogate is attenuated at the water table and as reclaimed water moves downgradient to extraction wells; and (3) the degree to which changes in hydraulic conditions and wate |
| | Difficulty: High school |
| Explain the cytopathic effect of human rhinovirus infection on HeLa cells
This video shows the cytopathic effect of human rhinovirus infection on HeLa cells. At the start of the video, uninfected cells are shown. Since HeLa cells are an adherent cell line, they normally grow flat and stuck down firmly on the tissue culture flask. After infection with rhinovirus, the cells change shape, becoming round and more refractile (brighter) under phase contrast microscopy. Some i |
| | Difficulty: High school |
| How does an infectious disease spread?
The activity we will be doing today will simulate the spread of an infectious disease. A simulation is a simplified demonstration of how an infectious disease can spread through a population. Our simulation will show how one person who is infected with a disease can infect other people, who in turn infect others. |
| | Difficulty: Middle school |
| | | Difficulty: Elementary school |
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| What are the effects of physical and geochemical heterogeneity on virus transport in Aquifers (SGER)
The purpose of this project is to obtain initial data to quantify virus transport in physically and geochemically heterogeneous, unconsolidated aquifer materials under carefully controlled laboratory conditions and to incorporate the observational results in a stochastic model of virus transport in aquifers. This work is considered to be "high risk" in that the hypotheses set forth based on relate |
| | Difficulty: High school |
| What is the effect of bacteria viruses in agricultural soils?
The objectives of this research are to examine the transport of bacteria, bacteriophage (bacterial viruses), in polymer-amended agricultural soils, and to compare transport behavior in polymer amended soils and untreated soil. The following describes our activities to date. |
| | Difficulty: High school |
| What is the effect of the Influenza A Virus Infection on Nasopharyngeal Colonization?
Phase variation in the colonial opacity of Streptococcus pneumoniae has been implicated as a factor in bacterial adherence, colonization, and invasion in the pathogenesis of pneumococcal disease. Additionally, the synergistic effects of influenza A virus and S. pneumoniae in the development of otitis media (OM) have been reported. This study examined the ability of opaque or transparent S. pneumon |
| | Difficulty: High school |
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Science kits, science lessons, science toys, maths toys, hobby kits,
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to several online stores. Read product reviews online or refer to
magazines.
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