Results 201 to 210 of about 23,431 (250)
Nanosomes in Precision Nanomedicine (Second Edition). [PDF]
Nanomaterials (Basel)Baldino L.
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Nucleobases in Meteorites to Nucleobases in RNA and DNA?
Journal of Molecular Evolution, 2022 Nucleic acids likely played a foundational role in the origin of life. However, the prebiotic chemistry of nucleoside and nucleotide synthesis has proved challenging on a number of fronts. The recent discovery of both pyrimidine and purine nucleobases in carbonaceous chondrite meteorites has garnered much attention from both the popular press and the ...
Ramanarayanan Krishnamurthy +4 more
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Topics in Current Chemistry, 2014
Various molecules which are similar to the natural nucleobases exist in nature or have been synthetically developed. In this chapter we review work on the photophysical properties of several modified nucleobases, focusing particularly on how these properties differ from those of the natural nucleobases.
Spiridoula Matsika
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Various molecules which are similar to the natural nucleobases exist in nature or have been synthetically developed. In this chapter we review work on the photophysical properties of several modified nucleobases, focusing particularly on how these properties differ from those of the natural nucleobases.
Spiridoula Matsika
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Nucleobases as Supramolecular Motifs
Chemical Society Reviews, 2005AbstractFor Abstract see ChemInform Abstract in Full Text.
Stuart J. Rowan
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Calculations of pKa Values for a Series of Naturally Occurring Modified Nucleobases
Journal of Physical Chemistry A, 2022 Modified nucleobases are found in functionally important regions of RNA and are often responsible for essential structural roles. Many of these nucleobase modifications are dynamically regulated in nature, with each modification having a different ...
Hans Bernhard Schlegel +2 more
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, 2019 Naturally-occurring modified nucleobases, next to the four canonical nucleobases, extend the chemical information content of DNA and RNA, but their role in regulating the basic functions in a cell is still largely unexplored. In addition, over the past two decades chemically modified nucleobases have been developed as versatile tool for chemical fine ...
Gustavo Portalone
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Nucleobases for optoelectronics
Organic Photonic Materials and Devices XXIII, 2021This paper will review the use of nucleobases for optoelectronic applications. Nucleobases possess unique electromagnetic, optical, mechanical and thermal properties, including low optical loss and simultaneous low electrical resistivity, high temperature stability and a strong resistance to organic solvents.
James G. Grote +3 more
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Nucleotides, Nucleosides, and Nucleobases
EcoSal Plus, 2008We review literature on the metabolism of ribo- and deoxyribonucleotides, nucleosides, and nucleobases in Escherichia coli and Salmonella ,including biosynthesis, degradation, interconversion, and transport. Emphasis is placed on enzymology and regulation of the pathways, at both the level of
Jensen, Kaj Frank +3 more
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Electronic Structure of the Nucleobases
The Journal of Physical Chemistry B, 2005We present a comparison between experimental and calculated soft X-ray spectra of DNA's nucleobases, adenine (A), guanine (G), cytosine (C), and thymine (T) using X-ray absorption spectroscopy (XAS) and soft X-ray emission spectroscopy (XES). Spectra of the 1s thresholds of carbon, nitrogen, and oxygen give a complete picture of the occupied and ...
MacNaughton J., Moewes A., Kurmaev E.Z.
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Nucleobase Protection with Allyloxycarbonyl
Current Protocols in Nucleic Acid Chemistry, 2005AbstractThis unit describes protocols for preparation of N‐allyloxycarbonyl‐protected 5′‐O‐(4,4′‐dimethoxytrityl)‐2′‐deoxyribonucleosides and 2′‐O‐(tert‐butyldimethylsilyl)‐5′‐O‐(4,4′‐dimethoxytrityl)ribonucleosides. These provide useful building blocks not only for synthesis of natural oligonucleotides but also for artificial analogs with chemically ...
Mamoru, Hyodo, Yoshihiro, Hayakawa
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