HYU06F_GAC013_AE2_Draft

GAC011 Assessment Event 3: Database

Compare and Contrast: Good Cholesterol Structure and

Optical Fiber

Student's Name: Sujin Sung

Student ID #: HUK21986

Teacher: Sunny Chung

Due Date: 19 July 2012

Word Count: 796

Contents

Abstract (1)

1.0Introduction (1)

2.0Methodology (1)

3.0Findings (2)

4.0 Discussion (4)

5.0 Conclusion (5)

References (6)

Abstract

This essay will compare two scientific discoveries, new structure of cholesterol and optical fiber that can be used in many ways. These two facts were researched by Internet. Through comparing the differences and contributions, it was resulted that optical fiber is better because it can be used more diverse ways. It is beneficial if scientists develop it with stead effort in order to be applied more fields such as military and environment for sensing pollutions.

1.0 Introduction

This essay is to compare and contrast of two scientific advances; discovery of cholesterol and optical fiber. Good cholesterol is called HDL structure and it can help to promote health and optical fiber has much potential that can apply to diverse fields such as medical and military. Cholesterol structure has been studied to confirm the physiological interaction with plasma of body, a transporting medium for cells and other vital substances. On the other hand, research about optical fiber has been conducted to improve the light effect hard to see human sights. Between these two researches, optical fiber has much of possibility to be used in many parts of life. Therefore, it is better than new cholesterol finding in terms of broad practical use.

2.0 Methodology

The purpose of this research is for comparing and contrasting two topics. It is online research that will be used for the method. Since they were done by the researchers belonged to the University, the fact they discovered was published in the scientific journal such as Nature Structural & Molecular Biology and Advanced Materials. For further information about

differences of cholesterol and optical fiber, online database will continuously used for this report.

3.0 Findings

Figure 1.Relationship between HDL cholesterol and coronary heart disease

Source: https://www.wendangku.net/doc/4d16304708.html,

a.Increasing HDL cholesterol correlates negatively with LDL cholesterol, increase possibility for

coronary heart disease. Therefore, it has a protective effect to prevent heart diseases.

Figure 2. annual growth for the global fiber-optic market

Source: Micro Manufacturing

a.Demand for optical fiber will grow every year because of the usefulness it provides in many

fields such as medical laser, and communication networking.

W. Sean Davidson and his department found the structure of human cholesterol called HDL and scientists led by John Badding, a professor of chemistry developed the first optical fiber made with a core of zinc selenide. One of the reasons that the HDL structure was investigated was for the necessity to find the ways it interacts with the important plasma factors. It is crucial to know the plasma factors because they occupy 55 percent of a human's total blood volume. On the other hand, optical fibers were invented because traditional optical fibers were not always possible to get the colors as people want. Finding of HDL belongs to the biology because they transport fat to specific locations within the body. Optical fiber is included in chemistry because an innovative high-pressure chemical-deposition technique was utilized to form the new class. Before HDL was discovered, previous studies have only focused on synthetic HDL, based on gold particles. For optical fiber, silica glass has been used. However, it has

some drawbacks such as sending shorter wavelength infrared light compared to the new one. This research was effective because of the reason that these two facts are included in a similar scientific field.

4.0 Discussion

After examining these topics, there are two reasons that the optical fiber is better compared to the HDL structure. First reason is that the contribution of new fiber can be applied to many more parts than HDL?s. One of the contributions that HDL structure called …good cholesterol?effected to human is to stop increasing rate of cholesterol from collecting in the arteries and lowers the chance of artery diseases. It stops building up cholesterol by moving fat from human plasma. On the other hand, the optical fiber will allow for a more effective and free operation of light and realize more versatile laser-radar technology using a process called nonlinear frequency conversion, more capable of changing colors. Such technology could be applied to the development of improved surgical and medical lasers, better countermeasure lasers used by the military, and superior environment-sensing lasers when measuring pollutants (“e Science News”) Therefore, it will be much more helpful to human in terms of wide scopes used.

Second reason is because it has provided diverse progress for the lives of human compared to the structure of HDL. Until now, optical fibers were used in many parts of daily lives such as telecommunication. When there was no proper system for communication, optical fibers offered huge capacity of it. It carried much more information compared to a traditional wire, copper cable. Besides, practicable optical fibers have brought the development of medical technology. It made the way for a new field of surgery, called laproscopic surgery, commonly

used for stomach area. Without the discovery of optical fiber, it would be hard to cure the patients who have abdominal illnesses.

5.0 Conclusion

Since optical fiber has changed many parts of human society such as communicating and medical improvements, it is reasonable to say that optical fiber is more helpful than HDL structure, lowering the chances of artery diseases. Therefore, optical fiber should be developed continuously in order to be applied in more parts of society.

References

Coxworth, Ben. “New, more effective optical fibers have semiconductive core.”Gizmag Gizmag.

Mar. 2011. Web. 18 July 2012.

Fellman, Megan. “Synthetic HDL- A New Weapon to Fight Cholesterol Problems.”Northwestern University Northwestern University. 9 Jan. 2009. Web. 18 July 2012.

“?Good cholesterol' structure identified, could help explain protective effects.” e! Science News.e! Science News. 13 Mar. 2011. Web. 18 July 2012.

Leventon, Wiliam. “Cover Story: No Optical Illusion.”Micro Manufacturing. M2 Media Company.

Aug. 2011. Web. 19 July 2012.

“New kind of optical fiber developed.”e! Science News.e! Science News. 1 Mar. 2011. Web. 18 July 2012.

“Specialised lipid molecules and specialised pathways.”200 level Biochemistry. University of Otago.

n.d 19 July 2012

.”