Results 31 to 40 of about 159,037 (219)
Reductionsproducte aus Guanin [PDF]
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Tafel, Julius, Ach, Benno
openaire +3 more sources
G-quartet biomolecular nanowires [PDF]
We present a first-principle investigation of quadruple helix nanowires, consisting of stacked planar hydrogen-bonded guanine tetramers. Our results show that long wires form and are stable in potassium-rich conditions. We present their electronic bandstructure and discuss the interpretation in terms of effective wide-bandgap semiconductors.
arxiv +1 more source
Flipping Back of Extrahelical Guanine after Methyl Repair
Methylation at O6 atom of guanine is a type of DNA damage which can cause a cancer. This damage at O6 atom of guanine in a DNA can be transferred to SG atom of cysteine in O6-alkylguanine-DNA alkyltransferase (AGT).
Rajendra Prasad Koirala+1 more
doaj +3 more sources
Radiological Evaluation of Huntington’s Disease: A Case Report [PDF]
Huntington’s Disease (HD) is a rare neurodegenerative condition inherited in an autosomal dominant pattern, where Gamma Amino Butyric Acid-ergic (GABAergic) neurons in the basal ganglia progressively deteriorate.
Soumyabrata Debnath, R Harshith
doaj +1 more source
Vertically ordered mesoporous silica film (VMSF) with uniform mesoporous channels perpendicular to electrode substrate has a wide range of applications in direct electroanalysis of complex samples.
Luoxing Yang+4 more
doaj +1 more source
Calculation of the Stabilization Energies of Oxidatively Damaged Guanine Base Pairs with Guanine [PDF]
DNA is constantly exposed to endogenous and exogenous oxidative stresses. Damaged DNA can cause mutations, which may increase the risk of developing cancer and other diseases. G:C-C:G transversions are caused by various oxidative stresses. 2,2,4-Triamino-5(2H)-oxazolone (Oz), guanidinohydantoin (Gh)/iminoallantoin (Ia) and spiro-imino-dihydantoin (Sp ...
Suzuki, Masayo+5 more
openaire +4 more sources
This paper presents experimental charge-density studies of cytosinium chloride, adeninium chloride hemihydrate and guaninium dichloride crystals based on ultra-high-resolution X-ray diffraction data and extensive theoretical calculations.
Prashant Kumar+3 more
doaj +1 more source
Application of Ammonium Persulfate for Selective Oxidation of Guanines for Nucleic Acid Sequencing
Nucleic acids can be sequenced by a chemical procedure that partially damages the nucleotide positions at their base repetition. Many methods have been reported for the selective recognition of guanine.
Yafen Wang+7 more
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The Two Faces of the Guanyl Radical: Molecular Context and Behavior
The guanyl radical or neutral guanine radical G(-H)• results from the loss of a hydrogen atom (H•) or an electron/proton (e–/H+) couple from the guanine structures (G). The guanyl radical exists in two tautomeric forms.
Chryssostomos Chatgilialoglu
doaj +1 more source
Electronic properties of guanine-based nanowires [PDF]
We present a first-principle study of the electronic and conduction properties of a few classes of nanowires constituted of guanine (G) molecules, self-assembled in different geometries. We first analyze the effect of the vertical $\pi$-$\pi$ interaction in model G-stack columns.
arxiv +1 more source