Dilution

Chemistry is everywhere. Everything from the air we breath to the food we eat has chemistry in it. Chocolate is a food used in many desserts and comes in many different forms and flavors. It is derived from the cocoa bean and many people have chocolate in some form daily. Chemistry is what gives people the flavors and texture of chocolate that they love. Different Amounts of chocolate liquor and cocoa butter are used in different chocolate products. The various flavors of chocolate are…

Mycelial discs (5 mm diameter) were inoculated in potato dextrose broth as above and incubated at 28+1°C for 7 days. The mycelial inoculum of M. phaseolina was centrifuged at 5000 rpm for 10 minutes. Supernatant was decanted and pellets were washed and re-suspended in sterile distilled water. At 15th days after sowing, the soil was inoculated in Set-II by drenching the soil near plant roots. On 8th day ten seedlings from three replicates were chosen randomly for measurements of shoot and root…

Heroes are often seen as good and villains as bad. But, are heroes always good and villains always bad? Nathaniel Hawthorne’s “Young Goodman Brown” and Tim O’Brien’s The Things They Carried both explore the fluid nature of good and evil. In the “Young Goodman Brown,” the main character, Goodman Brown, wanted to experience the world for one night, and so left his faith behind while he set himself up for a night of adventure. He went through the forest and met the devil, and when he came back, he…

Andrew Wittman Biology 152 Lab Section 409 3/23/2015 PURIFICATION OF SPERM WHALE APOMYOGLOBIN AND THE ORIGIN OF ITS HELICAL FOLD Abstract The purpose of this research is to understand how secondary structures of a protein, in this case sperm whale apomyoglobin, affect the denatured state of that protein. The scientific community has been working under the impression that once denatured by urea, a protein loses all of its secondary structure. In this research the effect that apomyoglobin’s…

Battles, 2011, wrote the article titled Safety, Accidents, and Investigations: Be Prepared for the Unexpected to help employers take into account some of the different factors involved during a workplace accident and external investigation. This article has very good content that explains information potentially useful for employers and safety engineers. The article contains tips for companies striving to meet OSHA’s criteria on how to perform accident prevention plans, how to respond to…

Preparing Dilutions of the Silver Nanoparticles 1. Gather all materials. 2. Put on a pair of disposable gloves. 3. Make a paper towel damp with some 70% isopropyl rubbing alcohol. Wipe down the work surface with the rubbing alcohol-dampened paper towel. 4. Using a permanent marker, label the five baby food jars #1 to #5. 5. Using the 25 milliliter (mL) graduated cylinder, measure and pour 22.5 mL of distilled water (from a new, unopened container) into each of jars #2, #3, #4, and #5. 6. Using…

In the 2000 presidential election, most people were prepared to accept that Al Gore would be the next president even though he would likely lose the popular vote. However, the opposite happened. George Bush won the presidency through a small margin of electoral votes, but had lost the popular vote of the people. This election is an example of how the Electoral College diminishes the importance of the votes of the people. Most people know of the electoral college, they have read about it in their…

mannerisms or any other distinctive characteristic that may identify them and can be exploited for financial gain. With the emergence and availability of this protection, celebrities will exhaust all legal tools at their disposal to prevent the dilution of their bankability that will arise with any unauthorised use of their image. Image protection may amount to fortifying both from the damage of negative publicity and also from those who seek to profit from it without permission. Celebrity image…

and practical method of pharmacy. As previously described different patients require different forms of medications. A tablet may be triturated and combined with a suspension agent in order to form a solution. Another form of compounding would be dilution or making a certain strength of medication greater or lesser by adding more of the solvent or solute. Drugs covered in medical review in pass…

Bursting onto the American scene in the 1920’s, progressivism proliferates bringing with it new ideas and ways of thinking. Mixed with rebellion, prohibition, an economic boom, and a new wave of feminism, the progressive era challenges social benchmarks and allows Americans to satisfy themselves in newly acceptable indulgences. Most prominently, the new impression of rebellion persists against previously initiated social constructs revolving around relationships and credibility, hence becoming…