Acridine was discovered by Graebe and Caro who found that it accompanied the crude
anthracene obtained from coal-tar. For its isolation, the portion of the tar distilling at 300°- 360° C. was extracted by dilute sulphuric acid and precipitated by...
MicroRNAs (miRNAs) regulate gene expression at the post-transcriptional level by repressing translation or stimulating mRNA degradation. In this study, I tested the hypothesis that miRNAs are differentially expressed in antiestrogen-sensitive MCF-7...
Jacob "Jake" West holds a young child. Joseph Hignite stands beside Jake and a tar kiln sits over an unlit fire pit nearby. Behind them, Polly West sits on the porch of the Wests' cabin and an unidentified man sits in the shade near the...
Acridine is a compound that has a ring system similar to anthracene except that one of the CH groups is replaced by a -N- group. It is possible for this compound to have desmotropic forms as those that follow. When an amino group is present in the...
Horses; Parades & processions; Buildings; Transportation; People
Address: 431 S. Third Street, Louisville, Kentucky. Six bay horses in harness pull a parade float carrying three women down Third Street. Two men in uniforms drive the horses. The float has the word Seagram's written out with one letter each on a...
Full-length character portrait of comedic actor Digby Bell wearing white tie and tails. His receding hairline forms a tuft at the crown of his head and is powdered white at the temples, next to his whiskers, and his thick eyebrows appear to be...
Portrait of performer Laura Joyce in three-quarter profile, wearing a dress with buttons, ruffles, and lace at the bodice. Laura Joyce (later known as Laura Joyce Bell) starred in productions of "The Tar and the Tartar" (March 1892) and...
Full-length character portrait of comedic actor Digby Bell wearing white tie and tails. His receding hairline forms a tuft at the crown of his head and is powdered white at the temples, next to his whiskers, and his thick eyebrows appear to be...
Portrait of comedic actor wearing a suit jacket and tie with stickpin. Born in Milwaukee, Wisconsin in 1849, Bell died June 20, 1917 in New York City. Digby Bell starred in productions of "Lawn Tennis" (October 1880); "The Tar and...
Sculpture; Jetties; Industrialization; Industry; Petroleum industry; Land use; Ecology; Nature; Bodies of water; Lakes & ponds; Aerial views; Bird's-eye views; Film stills; Motion pictures; Maps; Dirt roads; Roads; Streets; Books
Documentation of film stills from Spiral Jetty, 1970. "These are frames from Smithson's half-hour-long film based on his Spiral Jetty. Shots taken of the dusty road on the way to the site of the work were intercut with images of the blazing...
