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Chemistry

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FIU Electronic Theses and Dissertations

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2003

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Full-Text Articles in Physical Sciences and Mathematics

Cross-Section Measurements For The Near Ultra-Violet Absorption Spectra Of Glyoxal At The 280 Nanometer Wavelength, Abigail Diaz Jul 2003

Cross-Section Measurements For The Near Ultra-Violet Absorption Spectra Of Glyoxal At The 280 Nanometer Wavelength, Abigail Diaz

FIU Electronic Theses and Dissertations

Glyoxal and other dicarbonyl compounds have been detected in tropospheric air in rural areas and polluted urban areas. Accurate absorption cross-sections for the near UV spectrum of glyoxal are important since the value of this chemical characteristic is necessary for calculating effective quantum yields and ultimately the rates and products of photolysis. In this study, comprehensive measurements were made for the 2 80 nm gas-phase absorption spectrum of glyoxal. In addition, molecular orbital calculations were carried out and the results used as a guide to identify the vibration responsible for the weak structure features of the continuous area of the …


Development Of Microsatellite Markers In Cannabis Sativa For Fingerprinting And Genetic Relatedness Analyses, Hussain J. Al-Ghanim Jan 2003

Development Of Microsatellite Markers In Cannabis Sativa For Fingerprinting And Genetic Relatedness Analyses, Hussain J. Al-Ghanim

FIU Electronic Theses and Dissertations

Microsatellite markers were developed for Cannabis sativa L. (marijuana) to estimate the level of polymorphism, usefulness for DNA typing (genotype identification), and to measure the genetic relationships between the different plants. Twelve different oligonucleotide probes were used to screen an enriched microsatellite library of Cannabis sativa in which 49% of the clones contained microsatellite sequences. Characterization of microsatellite loci in Cannabis revealed that GA/CT was the most abundant class of isolated microsatellites representing 50% overall. Eleven polymorphic SSR markers were developed, derived from dinucleotide motifs and eight from trinucleotide motifs. A total of 52 alleles were detected averaging 4.7 alleles/locus. …