Results 171 to 180 of about 137,731 (206)
Studying the Impact of the DDB2 T338M Missense Mutation on the Development of Equine Squamous Cell Carcinoma and Sarcoid. [PDF]
Animals (Basel)Quatember H +6 more
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Substrate identification of putative NCS1 and NCS2 nucleobase transporters in Pseudomonas aeruginosa. [PDF]
mBioKennelly C, Prindle A.
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Selective Inhibitor Design against Thymidylate Synthase of <i>Mycobacterium tuberculosis</i> Using Alchemical Simulations. [PDF]
ACS OmegaSengupta P, Satpati P.
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Potential Chondroprotective Effect of <i>Artemisia annua</i> L. Water Extract on SW1353 Cell. [PDF]
Int J Mol SciKim MJ +6 more
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Canadian Journal of Biochemistry and Physiology, 1957
Oxygen uptake could not be demonstrated when uracil, uridine, or uridylic acid and various supplements were incubated with rat liver preparations. Attention was directed towards the likelihood that the initial step of uracil catabolism in mammals is a reduction such as occurs in yeasts. Various techniques were employed to measure the possible reduction
Bruce McKay +2 more
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Oxygen uptake could not be demonstrated when uracil, uridine, or uridylic acid and various supplements were incubated with rat liver preparations. Attention was directed towards the likelihood that the initial step of uracil catabolism in mammals is a reduction such as occurs in yeasts. Various techniques were employed to measure the possible reduction
Bruce McKay +2 more
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Physical Chemistry Chemical Physics, 2007
We investigate the photochemistry and photodissociation dynamics of uracil by two-colour photofragment Doppler spectroscopy and by two-colour slice imaging at excitation wavelengths between 268 and 235 nm. We observe the loss of a hydrogen atom upon excitation into the pipi* state.
Christof Schon +4 more
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We investigate the photochemistry and photodissociation dynamics of uracil by two-colour photofragment Doppler spectroscopy and by two-colour slice imaging at excitation wavelengths between 268 and 235 nm. We observe the loss of a hydrogen atom upon excitation into the pipi* state.
Christof Schon +4 more
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Uracil Photoproducts from Uracil Irradiated in Ice
Science, 1969Two new products were isolated from uracil irradiated with ultraviolet light in frozen aqueous solution. As judged by mass, nuclear magnetic resonance, and ultraviolet and infrared spectra, one is a photopolymer, U 3 , and the structure of the other is probably 6-4′-[pyrimidin-2′-one]-uracil.
S. Y. Wang, M. N. Khattak
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Drugs & Aging, 2001
Tegafur is a prodrug of the antineoplastic agent fluorouracil, and is administered in a 1:4 molar ratio with the fluorouracil modulator uracil. Oral tegafur/uracil 300 mg/m(2)/day plus calcium folinate 75 or 90 mg/day for 28 days every 35 days was as effective as intravenous (IV) fluorouracil 425 mg/m(2)/day plus folinic acid 20 mg/m(2)/day for 5 days ...
Karen L. Goa, Keri Wellington
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Tegafur is a prodrug of the antineoplastic agent fluorouracil, and is administered in a 1:4 molar ratio with the fluorouracil modulator uracil. Oral tegafur/uracil 300 mg/m(2)/day plus calcium folinate 75 or 90 mg/day for 28 days every 35 days was as effective as intravenous (IV) fluorouracil 425 mg/m(2)/day plus folinic acid 20 mg/m(2)/day for 5 days ...
Karen L. Goa, Keri Wellington
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The Photochemistry of Uracil: A Reinvestigation
Photochemistry and Photobiology, 2010AbstractResults from a re‐examination of the photochemical reactions undergone by uracil (Ura) are presented. Irradiation of Ura in frozen aqueous solution at −78.5°C produces two diastereomeric (6‐4) products, namely the cis and trans isomers of 5‐hydroxy‐6‐4′‐(pyrimidin‐2′‐one)‐5,6‐dihydrouracil.
Martin D. Shetlar, Vladimir J. Basus
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Uracil-DNA Glycosylases and DNA Uracil Repair
1989Publisher Summary This chapter reviews the DNA uracil repair and uracil–DNA glycosylases (UDG). The major source of DNA uracil in prokaryotic and eukaryotic cells is transient incorporation of dUMP during replication. This replicative uracil is quickly repaired by UDG, apyramidinic/apurinic (AP) endonucleases, and other enzymes of excision repair ...
O.N. Aprelikova, N.V. Tomilin
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