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    In our previous report, 21 we investigated the influence of formulation variables of clotrimazole-loaded cubic liquid crystalline nanoparticles. The composition of chitosan tailored cubic nanoparticles was optimized employing central composite design. The findings of Small angle X-ray scattering analysis confirmed the presence of D and P cubic phases in nanoparticles. Most importantly, considerable improvement in mucin binding was observed upon incorporation of chitosan owing to electrostatic interaction between cationic chitosan-tailored cubic nanoparticles and anionic mucin layer of mucosa. The optimal conditions obtained were: fraction of Pluronic F127-8.33% (w/w) and concentration of chitosan- 0.17% (w/w). The optimal chitosan-tailored…

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    Emma Kilgore Science Period 2 January 12, 2016 The Evaporation of Liquids When a liquid is left in a warm car over a certain period of time some people might notice that the liquid seems to have lessened. This is because of evaporation, evaporation is when a liquid changes into a gas because of an increase in temperature or pressure. This brings up many questions having to do with liquids and evaporation so, do all liquids take the same amount of time to evaporate? …

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    Liquid Chromatography Lab

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    High performance liquid chromatography (HPLC) is a separation technique utilizing differences in distribution of compounds in two phases; called the stationary phase and the mobile phase. The stationary phase designates a thin layer created on the surface of fine particles and the mobile phase designates the liquid flowing over the particles. Under a certain dynamic condition, each component in a sample has a different distribution equilibrium depending upon the solubility in the phases and or…

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    a complex case. In Chemistry, we generally refer to three states of matter when trying to describe a substance; solid, liquid, and gas. Each of these three states of matter has their own properties and behaviors.…

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    Orifice Plate Essay

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    placed in a pipe. When a fluid (either liquid or gaseous) passes through the orifice, its pressure builds up slightly upstream of the orifice. But as the fluid is forced to converge to pass through the hole, the velocity increases & the fluid pressure decreases. Orifice Plate is the heart of the Orifice Meter. It restricts the flow & develops the differential pressure which is proportional to square of flow rate. The flow measuring accuracy entirely depends upon the quality of Orifice plate and…

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    control variables, which are variables that scientists want to be kept constant in our experiment. They do have a pretty big effect in our experiment because we choose to leave these variables constant in order to make sure our data is accurate, but they are not the main focus of our experiments. The control variables for this test are the size of the can which is 355 mL, the time we wait until we flip the can into the pie tin which is one minute, and the amount of liquid in each can which is 10…

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    INTRODUCTION Chemically and thermodynamically foam is an unstable, dispersed system of entrapment of gaseous molecules in solid or liquid matter. Instability of foam is caused generally due to coalescence, liquid drainage and disproportion of bubbles. Foam being aqueous system can be produced using surfactants available commercially. The types of surfactants used in preparation of aqueous foam influence the foam properties (Eisner et al., 2007; Bhakta and Ruckenstein, 1995). Successful foam…

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    Lab Report: Density and Viscosity Problem: What is the effect of density on the viscosity of a substance? Hypothesis: Density will affect the viscosity of a liquid. The order of the liquids from most dense to least dense is: syrup, detergent, water, oil Background: Density and viscosity are closey related in which they both affect one and other. Denisty has many factors like weight, mass, and volume. To work cohesivly there are different things we must pay attention to. Density is how closley…

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    Pump Essay

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    3.1.3 Pump A pump is a gadget that moves liquids (fluids or gasses), or once in a while slurries, by mechanical activity. Pumps can be characterized into three noteworthy gatherings as indicated by the technique they use to move the liquid: direct lift, dislodging, and gravity pumps. Pumps work by some component (regularly responding or turning), and expend vitality to perform mechanical work by moving the liquid. Pumps work by means of numerous vitality sources, including manual…

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    Note this: do not use regular magnets because they do not have the strength to attract the slime. Mix the liquid starch and iron oxide powder in the bowl and stir with the craft sticks until they are mixed perfectly. Add the glue and keep stirring. Take the slime out and start squishing until it is perfectly mixed together. You may wear gloves to avoid staining your hands. Dry the slime with paper towel to drain excess water. Now that the slime is ready, it is play time. get your magnet out and…

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