Describe two methods that can be used to modify surfaces with polymer brushes.
Describe two methods that can be used to modify surfaces with polymer brushes.
Homework Answers
Method 1 and Method 2.
The Poly[oligo(ethylene glycol)] brushes lead to the surface modification of titanium with polymer brushes to include saccharide-based polymer brushes. An alkanethiol Self-Assembled Monolayers presenting a terminal hydrophilic mannitol residue prevents cell adhesion for up to 25 days. This observation, combined with the wide structural diversity of carbohydrates and opportunities to immobilize peptides using standard coupling chemistries, led to explore the development of sugar-substituted polymer brushes as coatings for titanium.
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Describe two methods that can be used to modify surfaces with
polymer brushes.
1. Describe and compare TWO methods used for the manufacture of Polymer Matrix Composites and discuss...
1. Describe and compare TWO methods used for the manufacture of Polymer Matrix Composites and discuss why these methods are easier and less expensive compared with metal matrix composites and (2x5) ceramic matrix composites Total Marks [10]
1. Describe two methods that can be used to determine the critical path of a project...
1. Describe two methods that can be used to determine the critical path of a project schedule. 2. If an activity on the critical path falls behind schedule, what effect will this have on the entire project? 3. Describe the relationship between a predecessor project activity and a successor project activity. management. 4. Using the enumeration method, explain how a project critical path can be determined. Support your response with an illustrative chart.
4/ The structure given below is a polymer. This polymer is stable in temperatures above 350°C,...
4/ The structure given below is a polymer. This polymer is stable in temperatures above 350°C, and can be used as a protective coating on hot surfaces. a. Draw the monomer(s) used to make this polymer? b. Classify this polymer c. What type of reaction takes place to create this polymer X2 marks] (1 mark (Imark] polyamide Sonden satIon 9.) c-OH OH N CHS + CH3 C
4/ The structure given below is a polymer. This polymer is stable in...
b) Describe and compare the following polymer processing methods: injection moulding, ii. compression moulding, injection blow...
b) Describe and compare the following polymer processing methods: injection moulding, ii. compression moulding, injection blow moulding. (3x6)
4. The two different polyesters shown below are typically synthesized using different methods For each polymer...
4. The two different polyesters shown below are typically synthesized using different methods For each polymer a. (2 pts) Draw brackets around the repeat unit. b. (6 pts) Draw the relevant monomer or monomers needed to form the polymer. c. (2 pts) Give the name of the polymerization method that should be used. Monomerls) Polymerization Method Polymerization Method
Can you describe the research methods that are used to study brain structure and function?
Can you describe the research methods that are used to study brain structure and function?
Describe the different methods that can be used to prepare a statement of cash flows. How...
Describe the different methods that can be used to prepare a statement of cash flows. How are they different? A friend of your parents' owns a business, they ask why their income statement always shows profit, but they never have any cash? What causes differences between these two things?
5. Describe three different methods that can be used to get a buffer solution to a...
5. Describe three different methods that can be used to get a buffer solution to a particular pH (specifically consider how an acid/base/concentration of ions can be used to calculate the pH). А. В. С. AL Ci
please help fast and explain thank you 5. Name and briefly describe five fabrication techniques used for plastic polymer. 5. Name and briefly describe five fabrication techniques used for pla...
please help fast and explain thank you
5. Name and briefly describe five fabrication techniques used for plastic polymer.
5. Name and briefly describe five fabrication techniques used for plastic polymer.
Describe two of the three methods commonly used for flow control in large centrifugal fans (as...
Describe two of the three methods commonly used for flow control in large centrifugal fans (as for example those installed in large boiler plants). Show in head versus fow diagrams (graphs) for fan and system how the operating point (flow) can be changed in each case and explain why the change has occurred
1. Describe and compare TWO methods used for the manufacture of Polymer Matrix Composites and discuss why these methods are easier and less expensive compared with metal matrix composites and (2x5) ceramic matrix composites Total Marks [10]
4/ The structure given below is a polymer. This polymer is stable in temperatures above 350°C, and can be used as a protective coating on hot surfaces. a. Draw the monomer(s) used to make this polymer? b. Classify this polymer c. What type of reaction takes place to create this polymer X2 marks] (1 mark (Imark] polyamide Sonden satIon 9.) c-OH OH N CHS + CH3 C
4/ The structure given below is a polymer. This polymer is stable in...
b) Describe and compare the following polymer processing methods: injection moulding, ii. compression moulding, injection blow moulding. (3x6)
4. The two different polyesters shown below are typically synthesized using different methods For each polymer a. (2 pts) Draw brackets around the repeat unit. b. (6 pts) Draw the relevant monomer or monomers needed to form the polymer. c. (2 pts) Give the name of the polymerization method that should be used. Monomerls) Polymerization Method Polymerization Method
Describe the different methods that can be used to prepare a statement of cash flows. How are they different? A friend of your parents' owns a business, they ask why their income statement always shows profit, but they never have any cash? What causes differences between these two things?
5. Describe three different methods that can be used to get a buffer solution to a particular pH (specifically consider how an acid/base/concentration of ions can be used to calculate the pH). А. В. С. AL Ci
please help fast and explain thank you
5. Name and briefly describe five fabrication techniques used for plastic polymer.
5. Name and briefly describe five fabrication techniques used for plastic polymer.
Describe two of the three methods commonly used for flow control in large centrifugal fans (as for example those installed in large boiler plants). Show in head versus fow diagrams (graphs) for fan and system how the operating point (flow) can be changed in each case and explain why the change has occurred
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