Thin Layer Chromatography of the Unknown Analgesic Jessica Bajao*‚ Phoebe Abalos‚ Kevin Antiga‚ Carmelus Aseneta 3-Biology 2 College of Science‚ University of Santo Tomas‚ Manila‚ Philippines Abstract The group used five different analgesics in this experiment: aspirin‚ acetaminophen‚ ibuprofen‚ caffeine‚ and mefenamic acid. Six analgesics were spotted on the TLC plate including the unknown. After the development of the TLC plate‚ it was placed under ultraviolet light for the spots resulted
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Students perceptions at the university are getting more inclined to the view that professors are service providers. Currently there is a proliferation of web based informal instructor evaluation at public forums where students can rate them their instructors. Ratemyprofessors.com was founded by John Swapceinski in 1999. The website was originally named teacherratings.com but rebranded ratemyprofessor.com. The website has transferred ownership twice. In 2005 it was bought by Patrick Nagle and William
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Dvorak Technology Academy Thin Client Computer Lab Project Submitted by James I. Davis jd@gocatgo.com TIE-532 November 30‚ 2008 Thin Client Computer Lab Project - page 2 Thin Client Computer Lab Project Introduction Computers are an integral part of 21st century life‚ and as such technology education is recognized as part of the Illinois Learning Standards (ISBE‚ 2008). A computer lab is an efficient way to deliver access to computers and the Internet to students. Traditional labs‚ like
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Air Sacrifice – Mongolia Photo by Viacheslav Smilyk Lamas direct the entire ceremony‚ with their number determined by the social standing of the deceased. They decide the direction the entourage will travel with the body‚ to the specific day and time the ceremony can happen. Mongolians believe in the return of the soul. Therefore the lamas pray and offer food to keep evil spirits away and to protect the remaining family. They also place blue stones in the dead persons bed to prevent evil spirits
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The Czech Republic boasts(se může pochlubit) some wonderful countryside crisscrossed with thousands of kilometres of marked hiking trails‚ an incredible number of historical sites‚ picturesque historical towns and world-famous spas where visitors come to be cured (lěčeni)‚ as well as to unwind(odpočinek). Visitors from around the world travel here for our culture‚ history and architecture. All of these places are easily accessible. Such a concentration of UNESCO sites cannot be found anywhere else
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ENGL 111 – ODC – C1 201130 February 23‚ 2012 Audience Analysis The target audience for this rhetorical analysis is my classmates. The audience can not be grouped by age‚ as there are those who just finished high school as well as people in their forties. The gender of the audience is composed of both men and women of all ages according to the information I found in our introduction to the class. To prepare this rhetoric analysis we will have to read the story and do some research about the
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Jessica Mandrick E90 Project Proposal Swarthmore College Department of Engineering Thin Shell Concrete Structure Design and Construction 1 1 Introduction The ACI code defines a thin shell as a: “Three-dimensional spatial structure made up of one or more curved slabs or folded plates whose thicknesses are small compared to their other dimensions. Thin shells are characterized by their three-dimensional loadcarrying behavior‚ which is determined by the geometry of their forms‚ by the
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Decision for sealed air corporation Situation analysis As a leading company in cushioning industry who had the advanced technology and possessed most market share in US and England‚ Sealed Air Corporation had been facing challenge of other competitors who nipping away their market share by supplying substitute products of uncoated bubbles with lower price. If there was no response offered by Sealed Air Corporation‚ they would lose 50% of its current market occupancy within three years according
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The materials used for this lab were filter papers‚ a choice chamber‚ eight pill bugs‚ water‚ and tin foil. The first step of the process is to trace and cut the filter paper so it fits neatly within each side of the choice chamber. Then‚ put water each filter paper and place the damp filter paper into the choice chamber. The damped filter paper causes the pill bugs to not be able to crawl under the paper and therefore disrupting the results. Four pill bugs should be placed on either side and one
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absorption spectra it is possible to identify which peak correlates with which compound. Figure 2 contains a peak at around 500 and 700 nm which is a good indicator that that would-be chlorophyll b. This makes sense because this was the bottom band from the thin layer chromatography and chlorophyll b is the most polar compound. Chlorophyll B contains an aldehyde where chlorophyll A has a methyl group making it slightly more polar. Following that‚ figure 4 contains
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