Paraffin

In Panama, during the construction of the Panama Canal, Gorgas unleashed an extensive campaign against malaria. He had his men clear bushes and destroy potential breeding areas with large amounts of paraffin oil. Although Gorgas’ methods did help reduce the number of individuals who fell ill from malaria and yellow fever, his intense crusade on mosquitos was not an effective long-term public health solution. It was extremely expensive to maintain (it…

Ann Landers once said “Love is friendship that has caught on fire, It settles less than perfection and makes allowances for human weakness.” In The Hunger Games by Suzanne Collins’,the overarching theme is teenage love. The main character is Katniss Everdeen. Katniss and Peeta both fall for each other. Peeta told Katniss that he had a crush on her on the 1st day of school. They both work together on the games. Teenage love can be complicated for some people and by the relationship that Katniss…

Research Institute, Tirunelveli for post mortem examination. The birds were subjected to the detailed postmortem examination and the appropriate tissue samples were collected in 10 per cent formalin. The formalin fixed tissue samples were processed, paraffin embedded sections cut into 4 m thickness and stained with Hematoxylin and Eosin (H&E) for histopathological examination as per the standard procedure described by Bancroft and gamble…

the specimen and also while transferring the tissue to the laboratory. After usual time fixation of the biopsy specimen, it was wrapped in a piece of filter paper after adding eosin and processed accordingly .It is then unwrapped and embedded in paraffin with mucosal surface uppermost .Four micron sections were cut perpendicular to this surface and 3 to 4 sections were taken on each slide .One slide was stained with Hematoxylin and Eosin stain and studied. Apart from the routine Hematoxylin and…

Crack Cocaine Crack cocaine is an extremely powerful and dangerous stimulant drug. Crack cocaine causes adverse side effects and serious health problems. Crack cocaine is very addicting and overdoses are very common. A History of Crack Cocaine The history of cocaine dates back thousands of years to ancient indigenous peoples in South America chewing the intoxicating erythroxylon coca leaves. Starting in the 1800’s, coca leaves were processed into various foods, drinks and medicines. During the…

I looked at the carbon cycle and discovered that I did affect this cycle in ways that I had not imagined. Of course I was aware that I do produce carbon just by breathing and perspiring. There are other ways that I did produce carbon that were subtle and did affect the carbon cycle too. The carbon cycle is very important in maintaining a balance in our planet. It helps to sustain life on the planet as we know it. This cycle happens on its own, but we have somehow altered it in many ways.…

The knee joint was fixed in 10% buffered formalin, decalcified in hydrochloric acid (CalciClear Rapid; National Diagnostics, Atlanta, GA), and embedded in paraffin. Sections (10μm in thickness) were stained with hematoxylin and eosin (H&E). 2.5 Statistical analysis The IL-1b ,COMP , MMP-13 levels were tabulated and analyzed statistically by one way ANOVA. While weight, knee diameter and knee bending score…

1932 The late 1930s were a time period of improvement. Thesis: 1932 was a year with Presidential politics, a kidnapping, economical loans, scientific discoveries, the disappearance of 2 aviators, a world championship, olympic sports, higher revenues, costs of basic things were cheaper. Fashion trends were evolving. In the year 1932, the Presidential Interregnum between Hoover's term and Roosevelt's lasted four months. Franklin Delano Roosevelt wasn't able to take office until March 4, 1933.…

beeswax. Beeswax candles were made much like any other candle around. But unlike animal-based tallow, beeswax burned pure and cleanly, without producing a smoky flame. It also gave off a pleasant sweet smell rather than the foul odor of tallow or paraffin. Beeswax was a huge improvement from the tallow. From then on beeswax candles have been a household name as the…

The Texas City disaster was an accident in April 16, 1947, in the Port of Texas City, it’s was the deadliest industrial accident in U.S. history, and one of the largest non-nuclear explosions. Fire started on board the French-registered vessel SS Grandcamp her goods of roughly 2,300 tons of ammonium nitrate ignated, with the initial blast and with chain-reaction of further fires and explosions in other ships and nearby oil-storage facilities killing at least 581 people, including all but one…