نتایج جستجو برای: crick
تعداد نتایج: 2080 فیلتر نتایج به سال:
A new unprecedented metal-mediated base pair was designed that stabilizes reverse Watson-Crick DNA (parallel strand orientation, ps) as well as canonical Watson-Crick DNA (antiparallel strand orientation, aps). This base pair contains two imidazolo-dC units decorated with furan residues. Tm measurements and spectroscopic studies reveal that each silver-mediated furano-imidazolo-dC forms excepti...
Erwin Chargaff was one of the more interesting and colourful figures of the historic decade that heralded the proposal of the double helical structure of DNA by Watson and Crick in 1953. In describing Chargaff's important contribution to the study of DNA, particularly its base composition, this article seeks to suggest why, despite his substantial achievements, he failed to anticipate some of t...
We report the structure of clusters of 2,4-diaminopyrimidine with 3,7-dimethylxanthine (theobromine) in the gas phase determined by IR-UV double resonance spectroscopy in both the near-IR and mid-IR regions in combination with ab initio computations. These clusters represent potential alternate nucleobase pairs, geometrically equivalent to guanine-cytosine. We have found the four lowest energy ...
A comparison of the landmark papers by Watson and Crick (1953) and Avery et al. (1944) shows how different rhetorical choices can influence the impact of a scientific paper. The paper by Watson and Crick revolutionized biology and remains a model of scientific rhetoric. In contrast, the paper by Avery et al. reports equally important findings, but its impact was greatly diminished because of rh...
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