نتایج جستجو برای: thymine

تعداد نتایج: 3634  

Journal: :journal of physical & theoretical chemistry 2012
s. ketabi s. m. hashemianzadeh

this study is about complexes of li doped silicon carbide nanotube with thymine and cytosine ingas phase and aqueous solutions. li doped silicon carbide nanotube and its pyrimidine nucleobasecompounds were first modeled by quantum mechanical calculations in gas phase and in water.calculated binding energies indicated the stronger ability of thymine to functionalize silicon carbidenanotube than ...

S. Ketabi S. M. Hashemianzadeh

This study is about Complexes of Li doped silicon carbide nanotube with Thymine and Cytosine ingas phase and aqueous solutions. Li doped silicon carbide nanotube and its pyrimidine nucleobasecompounds were first modeled by Quantum mechanical calculations in gas phase and in water.Calculated binding energies indicated the stronger ability of thymine to functionalize silicon carbidenanotube than ...

Journal: :The Journal of biological chemistry 1993
J Y Kao I Goljer T A Phan P H Bolton

A duplex DNA containing a single thymine glycol (5,6-dihydroxy-5,6-dihydrothymidine) has been studied by NMR and other methods. Oxidative stress, ionizing radiation, and other causes can induce the oxidation of thymine to thymine glycol. The presence of thymine glycol is known to have significant biological consequences, and there are repair enzymes for thymine glycol in a wide range of organis...

Journal: :The Journal of biological chemistry 1997
H C Kung P H Bolton

Oxidative stress, ionizing radiation, and other events can induce the oxidation of the thymine in DNA to thymine glycol. The presence of thymine glycol can have significant biological consequences, and there are specific repair enzymes for thymine glycol in a wide range of organisms. The structure of a duplex DNA containing a single thymine glycol (5,6-dihydroxy-5,6-dihydrothymidine) has been d...

Journal: :Bioinformation 2008
Perumal Anandagopu Sivakumar Suhanya Veerasamy Jayaraj Ekambaram Rajasekaran

Distribution of thymine in protein coding mRNA sequences has been studied here. Our study suggest that thymine in protein coding sequences are not randomly distributed but with probability. Frame1 prefers to have definite amount of thymine. It is observed that the thymine content of frame 4 is also involved in protein coding. Frame 3 prefers to have least amount of thymine. However, frame 2 and...

Journal: :Iranian Journal of Physics Research 2023

Based on density functional theory (DFT) at the B3LYP level, we investigated interaction of DNA nucleobases with carbon nano-rings in armchair and zigzag shapes. Van der Waals correction was applied to describe long range term bipolar interaction. Results indicate that a net electric charge not transferred between bases nano-rings. This indicates is physical type. Outcomes show following order ...

2014
Masahiro Matsunaga Tokiko Isowa Kaori Yamakawa Seisuke Fukuyama Jun Shinoda Jitsuhiro Yamada Hideki Ohira

Happiness has been viewed as a temporary emotional state (e.g., pleasure) and a relatively stable state of being happy (subjective happiness level). As previous studies demonstrated that individuals with high subjective happiness level rated their current affective states more positively when they experience positive events, these two aspects of happiness are interrelated. According to a recent...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1970
R O Rahn M D Battista L C Landry

Partial mercuration of DNA, such that roughly one mercuric ion is bound for every two thymine residues, results in an enhancement of the phosphorescence by a factor of ten and a small enhancement of the photosteady thymine dimer yield. Complete mercuration of DNA [one Hg(II) added per momoner unit] results in quenching of the phosphorescence intensity and an inhibition of thymine dimer producti...

Journal: :Journal of bacteriology 1972
T R Breitman P B Maury J N Toal

A substantial loss of deoxyribonucleic acid-thymine occurs during thymine starvation of several thymine auxotrophs derived from Escherichia coli strains B, 15, and K-12.

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