Friday, March 20, 2020

Comical Side of Scoop essays

Comical Side of Scoop essays Evelyn Waugh was one of literature's great curmudgeons and a scathingly funny satirist. Scoop is a comedy of England's newspaper business of the 1930s and the story of William Boot, an innocent hick from the country who writes careful essays about the habits of the badger (Editorial Reviews). "With this book England's wittiest novelist sets a new standard for comic extravaganza...the real message about SCOOP is that it is thoroughly enjoyable, uproariously funny and that everyone should read it at once" (The New York Times). This is just one example of the popularity of the comical relief hidden within the bindings of the book Scoop. This book sets forth a new standard for comic extravaganza. The novel reads as though it had been formed with slapstick, but it is architecture of amazement. For example, his delightful style of the keys of typewriters in the personal quarters of one of Fleet Streets greatest press lords made no more sound than the drumming of a bishops finger tips on an upholstered prie-dieu; the buzzers of the telephones were muffled and purred like wart cats; the massive double doors, encased in New England rosewood, by their weight, polish and depravity of design, proclaimed unmistakably, Nothing but Us stand between you and Lord Copper (Waugh). Other additives were set forth with just the names of the newspapers and of the characters. Newspapers have fabulous names- the Brute, the Beast. A Communist named Pappenhacker, one of the cleverest men in Fleet Street, (Waugh 92) has difficulty finding places to eat because of his bullying of waiters (Waugh 92). This bullying has sound theory behind it. Every time you are polite to a proletarian, Pappenhacker believes, you help bolster up the capitalist system (Gelder 1). Pappenhacker hated the lower class. Another chara ...

Wednesday, March 4, 2020

10X TBE Electrophoresis Buffer Protocol or Recipe

10X TBE Electrophoresis Buffer Protocol or Recipe TBE and TAE are used as buffers in molecular biology, primarily for electrophoresis of nucleic acids.  Tris buffers are used under slightly basic pH conditions, as for DNA electrophoresis, because this keeps the DNA soluble in the solution and deprotonated so it will be attracted to the positive electrode and will migrate through a gel. EDTA is an ingredient in the solution because this common chelating agent protects nucleic acids from degradation by enzymes. The EDTA chelates divalent cations that are cofactors for nucleases that may contaminate the sample. However, since the magnesium cation is a cofactor for DNA polymerase and restriction enzymes, the concentration of EDTA is kept purposely low (around 1 mM concentration). 10X TBE Electrophoresis Buffer Materials 108 g of Tris base [tris(hydroxymethyl)aminomethane]55 g of boric acid7.5 g of EDTA, disodium saltDeionized water Preparation for  the 10X TBE Electrophoresis Buffer Dissolve the Tris, boric acid, and EDTA in 800 ml of deionized water.​Dilute the buffer to 1 L. Undissolved white clumps may be made to dissolve by placing the bottle of solution in a hot water bath. A magnetic stir bar can aid the process. You do not need to sterilize the solution. Although precipitation may occur after a span of time, the stock solution is still usable. You can adjust the pH using a pH meter and dropwise addition of concentrated hydrochloric acid (HCl). Its fine to store TBE buffer at room temperature, although you may wish to filter the stock solution through a 0.22-micron filter to remove particle that would foster precipitation. 10X TBE Electrophoresis Buffer Storage Store the bottle of 10X buffer solution at room temperature. Refrigeration will accelerate precipitation. Using 10X TBE Electrophoresis Buffer The solution is diluted before use. Dilute 100 mL of 10X stock to 1 L with deionized water. 5X TBE Stock Solution Recipe The advantage of the 5X solution is that its less likely to precipitate. 54 g of Tris base (Trizma)27.5 grams of boric acid20 mL of 0.5 M EDTA solutionDeionized water Preparation Dissolve the Tris base and boric acid in the EDTA solution.Adjust the pH of the solution to 8.3 using concentrated HCl.Dilute the solution with deionized water to make 1 liter of 5X stock solution. The solution may also be diluted to 1X or 0.5X for electrophoresis. Using a 5X or 10X stock solution by accident will give you poor results because as much heat will be generated.  In addition to giving you poor resolution, the sample may be damaged. 0.5X TBA Buffer Recipe 5X TBE stock solutionDistilled deionized water Preparation Add 100 mL of the 5X TBE solution to 900 mL of distilled deionized water. Mix thoroughly before use. Limitations Although TBE and TAE are common electrophoresis buffers, there are  other options  for low-molarity conductive solutions, including lithium borate buffer and sodium borate buffer. The problem with TBE and TAE are that Tris-based buffers limit the electric field that can be used in electrophoresis because too much charge causes a runaway temperature.