留学文书展示-材料科学和纳米工程专业

lynn April 26, 2019, 11:09 p.m.
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Personal Statement

Enlightened from undergraduate courses of Unit Operations Laboratory and Process and Plant, I have picked up the optimal materials for all of equipment in the project, developed credible economic evaluations for industrial chemical processes, and designed separation processes to recover valuable raw materials from waste solvents. As soon as I successfully found the material to meet equipment requirements, my sense of achievement was aroused and my curiosity for material science was kindled.

Doubt is the key to knowledge, Desire to explore material science in depth, I challenged myself by taking the course of Process Material. Ignorant as I was in the area, I ranked top in the course among two hundreds students. My senses of achievement and confidence was since then reignited, and my determination to further explore Materials Science and Nanoengineering was confirmed.

Undergraduate experience opened up my road to Material Science and Nanoengineering. Throughout undergraduate period, I have written MATLAB code to simulate the motion of fluid and thermal energy and to analyze the value and special significance of special zero boundary points, taken courses of ChE Thermodynamics and ChE Fluid transport, and given reasonable budget on the nontransparent information after safety analysis. As the result of my relentless exertion, I have been at Dean’s list for six times and was classified into Good Standing in my academics. Motivation drives me hard. You can hardly imagine that as an undergraduate in Chemical Engineering without any education in Biology since high school, I have overcome every difficulty to minor in Biology, read many biological papers and books, and written many paper summaries in Biology. My undergraduate growth is the essential part of my postgraduate study.

Rich research experiences deepened my cognition on Material Science. On my dual strength in Chemistry and Biology, I have assisted Dr. Rong Tong in his research topic of Propose to establish a flexible polymer/drug integrated optical fiber for the treatment of cancer, during which I was familiar with every material features and strong impacts on working efficiency and got exposed to various biodegrade and biocompatible polymer. To understand apatinib’s function on every CYP enzyme, I have followed professor Hu, a doctor tutor in Wenzhou Medical University, to conduct research in the Evaluation of the Inhabitation Effects of Apatinib on Human and Rat Cytochrome. Under his seasoned guidance, we added Apatinib, a small molecule anti-angiogenic drug, to the liver micromsomes of humans and mices and I was asked to get data from chromatograph and sorted out data. After a series of exploration, we came to the conclusion that apatinnib has different inhibitory effects on different enzymes under the CYP branch. Some do not inhibit, some strongly inhibit, but some are not sensitive. Moreover, different species response differently towards enzymes, so without doubt, there exists potential risks in human body. In therapeutics, when drugs that is metabolized by CYPs combining with apatinib, medication should be monitored to avoid fatal interactions. Not only did those research experiences bestow fruitful rewards on me, such as improved my research abilities and stimulated my desire to research more advanced medical equipment for hospitals but also mirror my insufficiency in Materials Science.

It is my studying abroad experience at Technical University of Denmark that injected much novel concepts on research experience and enhanced my problem-solving abilities. During one and half a month study at the university, I did 6 experiments on large instruments that the chemical plant actually uses, including pump system, absorption in the packed columns, separation in hydro-cyclones, falling film evaporation, spray dryer, and liquid flow in pipes, analyzed experimental results, and wrote reports for the experiment, After hot discussion with professors and repeated revision on the report, I made presentation on it with another partner. Also, we were required to make presentation on equipment function, strengths and weakness and on Denmark, In the experiment of spray dryer, our group was asked to design a factory with a spray dryer. The biggest challenge we are faced with was how to judge the size of our spray dryer. After contacts with several suppliers and a series of trials, we found the result is not ideal. Under high pressure and within limited time, we turned over all chemistry books, combined each reference, made consumptions on the contents and calculated a reasonable size after evolution the formula with sophomore course of calculus. Those experience really wore me out, but it drilled my skills in writing reports, making presentation, and broadening my mind on different countries’ emphasis and requirements on chemical engineering.

“Forget your fear, and summon up your courage to accept any challenge” These words are always etched in my mind. Without any education background in Biology, I was once brave to minor Biology in my undergraduate years despite of hardships and pains. Now, despite of my lack of education in Materials Science, I want to capriciously explore it, fearless of any difficulty and obstacle along the road. Bearing the courage and ambition, I am confident that I will be outstanding in the area. Having long been interested in University of California- Berkeley given its cutting-edge research facilities available for Materials Science & Engineering research, its constituent of all natural and man-made materials, and its ambitions in shaping students with fundamental understanding of materials at the nano, micro and macro scales, I perceive it a ideal place for me to hone my research skills and gain professional knowledge in Material Science and Nanoengineering. During my postgraduate study, I am eager to conduct research at Biomaterials and Polymer Materials and continue doing research in the area at research& development center.

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