P-n junction

preliminary results from which the configurations can be compared. After the optimization of these two different wing configuration concepts, estimated values from XFLR5 were compared. The drag coefficient was found to be equal to 3.1 N for the first concept in trimmed loiter condition. For the second con- cept we found the drag coefficient to be equal to 3.13…

1 Introduction Berberine (BBR), an isoquinoline alkaloid (Fig. 1), is isolated from many medicinal herbs, such as Coptidis rhizome (Coptis chinensis Franch.) and Cortex phellodendri (Phellodendron chinense C.K.Schneid.) (1). BBR has been used to treat microbial infection, diarrhea, and other gastrointestinal (GI) diseases due to its antibacterial, antidiarrheal and strong antidotal properties (2, 3). In recent years, much focus has been put on its other potential bioactivities, such as…

In her work, “Regional Advantage: Culture and Competition in Silicon Valley and Route 128,” Annalee Saxenian observes the economic development of two very distinct regions, as aforementioned in the title, Silicon Valley and Route 128. Although, much of domestic economic growth can be witnessed at the regional level; the course of economic development is as distinct as the regions themselves. It’s no secret that Silicon Valley turned out to be the more successful of the two. With the use of…

INTRODUCTION : The concept of dentin adhesion presently used involves the nanomechanical retention which is due to polymerisation of hydrophilic monomers around acid exposed collagen fibres.1 The entanglement of these monomers within the exposed collagen fibres gives rise to the so called Hybrid layer , which is also referred as Resin infiltrated Dentin layer.2 The presence of hybrid layer is important for attainment of a leakage free interface between the cavity walls and resin composite.2…

Scientific Background and Long-term Objectives Blood brain barrier (BBB) is a selectively permeable membrane that controls the passage of substances from the bloodstream to the central nervous system (CNS).Poor penetration of the drugs with various compositions across the BBB is evident in the biomedical research. This impacted greatly the pharmaceutical interventions of various neurodegenerative disorders, brain tumours and impairment of the CNS [1].BBB is the main route for the therapeutic…

between latitudes 57.7 and 54.4 shows no active volcanos and 324 earthquakes with even spatial distribution. At the south end of the plate boundary, the Azores archipelagos show 14 active volcanos and 237 earthquakes distributed along the three-plate junction, with some spatial clustering of earthquakes to the southeast. The graph (Figure 2) of Mid-Atlantic Ridge volcanic activity shows the number of volcanic eruptions in recorded history along the latitudes of the ridge. The portion highlighted…

Periodontics is a large specialized field within the practice of dentistry. Periodontists focus on prevention, diagnosis and treatment of oral disease. Periodontists use a wide range of procedures from tooth scaling, root planing and, in more severe cases, tissue or bone grafts. The periodontium is the supporting structure to the tooth and consists of the gingiva, cementum, alveolar bone and periodontal ligaments. Gingiva, also known as gum tissue, surrounds the tooth and acts as a barrier to…

The main components of a flat-plate collector, as shown in Figure 3, are the following [5]: • Cover. Glass or other radiation-transmitting material. • Heat removal fluid passageways. Tubes, fins, or passages which containing fluid from the inlet to the outlet. • Absorber plate. Flat, corrugated, or grooved plates are attached to tubes, fins, or passages. A special attachment is the embedded fixing shown in the detail of Figure 3.2. The plate is usually coated with a high-absorbent, low-emittance…

Cosmetic Use of Botulinum Toxin Type A Introduction Botulinum toxin was first identified as a cause of food poisoning over 100 years ago (Carruthers and Carruthers, 2009). Since then, there has been an identification of seven different serotypes labeled A-G; all produced by different strains of the bacteria Clostridium botulinum (Hurkadle et al., 2012). Botulinum toxin type A (BTX-A) is the main and most well-studied serotype that is used in cosmetic (Hurkadle et al., 2012). The BTX-A can be…

Lens Fiber Differentiation and its effects on certain organelles. This writing exercise analyzes two separate but related scientific articles, “The fate of the Golgi Apparatus and the Endoplasmic reticulum During Lens Fiber Cell Differentiation” and “Coincident Loss of Mitochondria and Nuclei During Lens Fiber Cell Differentiation” both which analyze and study Lens Fiber Differentiation. The writing assignment will be based on four sections:(1) Background of the research (2) Methods used…