the unknown amino acid. Within experimental error‚ the results were consistent with the reference literature cited in this report. Experimental Thin Layer Chromatography The amino acid standards used in this experiment were Alanine‚ Glycine‚ Serine‚ and Histidine. These standards and the unknown were separated by performing a method of chromatography. Thin layer chromatography (TLC) was performed by using a mobile phase and a stationary phase. The mobile phase was a nonpolar solvent composed of ethanol
Premium
Into Thin Air—Discuss Leadership examples (good and/or poor) from the novel that you have been reading all term. When I read the novel‚ I find that Rob Hall is a good leader. First‚ he is an ideal model in the team. Hall is a professional climber and he knows the weather and the situation well. Between 1990 and 1995‚ he succeeded in helping 39 clients reach the summit of Everest (Krakauer‚ 1999). His experiences and expertise help him attract followers. Second‚ he cares the safety and welfare of
Premium Leadership Management Fiedler contingency model
when they are underweight and continue to engage in unhealthy weight loss tactics. The video “Dying to be Thin” depicts a story with a young girl that is struggling with her weight and feels as though she is not thin enough. This girl begins to engage in actions like binging and purge eating in order to lose weight and continues to believe she is overweight. The girl in the video thrives to be thin and yearns for the control in her life of having an eating disorder. The article Anorexia nervosa: Friend
Premium Eating disorders Gender Nutrition
between the mobile and stationary phases. Subtle differences in a compound’s partition coefficient result in differential retention on the stationary phase and thus affect the separation. Thin layer chromatography (TLC) is a chromatographic technique that we use to separate the components of a mixture using a thin stationary phase such as silica plate supported by an inert backing. It applies mainly in medical‚ biological‚ chemical and pharmaceutical sciences because it is easy to be done and saves
Premium Chromatography Analytical chemistry Thin layer chromatography
The articles and documentary‚” Dying to be thin” were very insightful and discussed the challenges of individuals with eating disorders such as anorexia nervosa and bulimia nervosa. These eating disorders are dangerous and can be fatal. Not only are there physical affects‚ but mental affects take place as well. In the documentary‚ pressures to be thin and the “ideal” body weight were discussed amongst aspiring dancers and models. In was reported that three out of one hundred girls will develop eating
Premium
A.spotting of the TLC plates 1.A TLC plates is obtained from my instructor. 2.the plate is set down on a clean‚dry surface then a line Is drawn lightly across the plate about 1cm from the bottom of the plate with the aid of a 2B pencil as shown in figure 3(i). 3.next five 2-3mm lines make‚about 0.8cm is spaced apart and running perpendicularly through the lines across the bottom of the TLC plate. 4.The plate is spotted with 5 different analgesic.A separate capillary tube is used for each sample
Premium Thin layer chromatography Acetic acid
The Blue Film An old proverb goes “The past will always come back to haunt you”. Which means‚ that no matter how much you try to hide something from your past it will somehow surface again. It is only a matter of time. This is a very fitting proverb when talking about the short story “The Blue Film”. “The blue film” is a short story about a single evening in the life of a middle aged Europe-an couple. It is a simple chronological story. The novel has a strong marriage and divorcement theme
Premium Love Marriage
I agree that people make snap decisions of others based on very little data. Growing up‚ most of us are taught to not make sudden assumption about others‚ nevertheless‚ we still do it. I agree that thin-slicing is a viable topic‚ which “refers the ability of our unconscious to find patterns in situations and behavior based on very narrow slices of experience” (Gladwell). I believe that everyone has the ability to find patterns in situations and behaviors‚ however‚ not everyone is capable of making
Premium Learning Psychology Education
Model Thin “If you’re thin you are in ” is a recurring motto for many teenage girls. Being thin means they are beautiful‚ strong and can do whatever they want‚ or at least that’s what the media is trying to say. The beautifully photoshopped models young girls look up see in fashion magazines‚ videos‚ articles‚ runway shows or social networks are skinny and if they don’t have skinny legs‚ skinny arms‚ a flat stomach and a collar bone that sticks out sharper than a neon sign saying “I’m thin ”‚ they
Premium Nutrition Woman Body shape
The first line in the poem‚ “Lying in dug-outs‚ joking idly‚ wearily;” I immediately questioned if this poem was even about the war. When I think about war I don’t think of laughter and joking‚ I think about sadness and heartache. As I continued to read I realized that the poem was about how photographs gave the men an escape from war. “Watching the candle guttering in the draught”‚ meaning they watched the candle flame flutter in the cool air. They watched the flame every night as they looked at
Premium Poetry Edgar Allan Poe Virginia Eliza Clemm Poe