"Filtration and pore size" Essays and Research Papers

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    Cell Physiology

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    Exercise 1 Cell Transport Mechanisms and Permeability Activity 1: Simulating Dialysis (Simple Diffusion) • Describe two variables that affect the rate of diffusion: Two variables that affect the rate of diffusion are size and concentration gradient. The molecular size vs the MWCO size of the membrane can either increase‚ decrease‚ or prevent diffusion. The greater the concentration gradient the greater the diffusion rate due to molecules moving from areas of higher concentration to areas of lower

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    Lab 1 Review Sheet

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    Transport Mechanisms and Permeability Name: Jeffery Cook Lab Time/Date: 12pm 2/09/2015 Activity 1 Simulating Dialysis (Simple Diffusion) 1. Describe two variables that affect the rate of diffusion. a. Two variables that affect the rate of diffusion are size and whether or not there is an electrical or concentration gradient. 2. Why do you think the urea was not able to diffuse through the 20 MWCO membrane? How well did the results compare with your prediction? a. My prediction was incorrect. I think the

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    Solutions Offered by Rochem in Various Platforms 1. Reverse Osmosis: It is one of the most widely used technologies to treat industrial waste water. It has been commonly used to remove salts and various other impurities so as to improve the parameters such as pH‚ biological oxygen demand‚ chemical oxygen demand. This technology is already on the rise because of its efficacy and cost efficiency. Reverse Osmosis is a phenomenon wherein water is separated from a solution of dissolved solids by the

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    Physio Ex 9.0

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    ACTIVITY 1: Simulating Dialysis (Simple Diffusion) Answers 1. The molecular weight of urea is approximately 60. Which of the membranes can it pass through? a. 50 MWCO membrane b. 100 MWCO membrane c. 200 MWCO membrane d. Both the 100 and 200 MWCO membranes D. Both the 100 and 200 MWCO membranes 2. True or False: A solution containing glucose will diffuse faster through a 200 MWCO membrane if it is heated. True 3. The molecular weight of carbon C is 12; the molecular weight of hydrogen

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    validation

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    validation includes following things User requirements specification (URS) Design qualification (DQ) Installation qualification (IQ) Operational qualification (OQ) Performance qualification (PQ) Validation of sterilizing filters Sterile filtration processes are employed to sterile-filter a product prior to filling it aseptically into its final containers. Bulk drug solutions are sterile- filtered prior to aseptic crystallization‚ thus eliminating the possibility of having organisms within

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    results‚ which solute had the highest molecular weight? Albumin Which solute displayed the highest rate of diffusion through the 200 MWCO membrane? NACI_ Using the data from Chart 1‚ explain the relationship between the rate of diffusion and the size of the solute. The smaller the solute particle‚ the greater the rate of diffusion. Facilitated Diffusion 2. The following refer to Activity 2: Simulating Facilitated Diffusion. Did any of the substances travel against their concentration gradient

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    Exercise 1 Physioex 9.0

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    Exercise 1: Cell Transport Mechanisms and Permeability Worksheet Student Name: Student ID# Student instructions: Follow the step-by-step instructions for this exercise found in your lab manual and record your answers in the spaces below. Submit this completed document by the assignment due date found in the Syllabus. Rename this document to include your first and last name prior to submitting‚ e.g. Exercise1_JohnSmith.doc. Please make sure that your answers are typed in RED. Grading:

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    Transport Mechanisms and Permeability: Activity 4: Simulating Filtration Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1. Filtration is a process that You correctly answered: c. is passive. 2. Filtration is dependent upon a You correctly answered: b. hydrostatic pressure gradient. 3. The filtrate You correctly answered: d. All of these answers are correct. 4. An important place that filtration takes place in the body is in You correctly answered: d. the

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    Study of Water Purification Methods Water is the most essential component of life on Earth. In the United States‚ the average person uses about 75 gallons per day of freshwater. Most of this water is pre-treated in facilities and comes out of the tap clean and ready for drinking‚ a fact many take for granted. If you are camping and hiking you won’t always have access to this source of healthy‚ potable water. Unfortunately‚ many water sources in the wilderness include microorganisms‚ bacteria

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    concentration affects osmotic pressure. The higher the solute concentration‚ the higher the osmotic pressure. Filtration 4. The following refer to Activity 4: Simulating Filtration. Using your results in Chart 4‚ which MWCO membrane had the greatest filtration rate? 200 MWCO Explain the relationship between pore size and filtration rate. The larger the pore size the greater the filtration rate. Which solute did not appear in the filtrate using any of the membranes? The powdered charcoal. What

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