Results 31 to 40 of about 18,341,611 (236)
Hachimoji DNA and RNA: A genetic system with eight building blocks [PDF]
, 2019 Reported here are DNA and RNA-like systems built from eight (hachi-) nucleotide letters (-moji) that form four orthogonal pairs. This synthetic genetic biopolymer meets the structural requirements needed to support Darwinism, including a polyelectrolyte ...
Bates, Alison M. +15 more
core +1 more source
Crystal structures of two 2,9-dithia-13-azadispiro[4.1.47.35]tetradecan-6-ones
Acta Crystallographica Section E: Crystallographic Communications, 2015 In the title compounds 4,11-dihydroxy-13-methyl-1,8-di-p-tolyl-2,9-dithia-13- azadispiro[4.1.47.35]tetradecan-6-one, C26H31NO3S2, (I), and 13-benzyl-4,11-dihydroxy-1,8-bis(4-methylphenyl)-2,9-dithia-13-azadispiro[4.1.47.35]tetradecan-6-one, C32H35NO3S2, (
Vijayan Viswanathan +3 more
doaj +1 more source
A Million Crystal Structures: The Whole Is Greater than the Sum of Its Parts.
Chemical Reviews, 2019 The founding in 1965 of what is now called the Cambridge Structural Database (CSD) has reaped dividends in numerous and diverse areas of chemical research.
Robin Taylor, P. Wood
semanticscholar +1 more source
Crystal structures of three N-(3-acetylphenyl)quinoline-2-carboxamides
Acta Crystallographica Section E: Crystallographic Communications, 2017 In the title compounds, N-(5-acetyl-2-methylphenyl)quinoline-2-carboxamide [C19H16N2O2, (I)], N-(5-acetyl-2-bromophenyl)quinoline-2-carboxamide [C18H13BrN2O2, (II)] and N-(5-acetyl-2-ethynylphenyl)quinoline-2-carboxamide [C20H14N2O2, (III)], the ...
Diana Peña-Solórzano +3 more
doaj +1 more source
Neural structure fields with application to crystal structure autoencoders
Communications Materials, 2023 Representing crystal structures of materials to facilitate determining them via neural networks is crucial for enabling machine-learning applications involving crystal structure estimation.
Naoya Chiba +6 more
doaj +1 more source
Construction of Negatively Curved Cubic Carbon Crystals via Standard Realizations
, 2016 We constructed physically stable sp2 negatively curved cubic carbon structures which reticulate a Schwarz P-like surface. The method for constructing such crystal structures is based on the notion of the standard realization of abstract crystal lattices.
Naito, Hisashi
core +1 more source
Crystal structures of three N-aryl-2,2,2-tribromoacetamides
Acta Crystallographica Section E: Crystallographic Communications, 2015 Three N-aryl-2,2,2-tribromoacetamides, namely, 2,2,2-tribromo-N-(2-fluorophenyl)acetamide, C8H5Br3FNO, (I), 2,2,2-tribromo-N-[3-(trifluoromethyl)phenyl]acetamide, C9H5Br3F3NO, (II) and 2,2,2-tribromo-N-(4-fluorophenyl)acetamide, C8H5Br3FNO, (III) were ...
S. Sreenivasa +5 more
doaj +1 more source
Two-dimensional photonic crystal accelerator structures
Physical Review Special Topics. Accelerators and Beams, 2003 Photonic crystals provide a method of confining a synchronous speed-of-light mode in an all-dielectric structure, likely a necessary feature in any optical accelerator.
Benjamin M. Cowan
doaj +1 more source
Crystal structures of two 2,3-diaryl-2,3-dihydro-4H-1,3-benzothiazin-4-ones
Acta Crystallographica Section E: Crystallographic Communications, 2018 The syntheses and crystal structures of 2,3-bis[3-(trifluoromethyl)phenyl]-2,3-dihydro-4H-1,3-benzothiazin-4-one (di-m-CF3; C22H13F6NOS) (1) and 2,3-bis(4-methylphenyl)-2,3-dihydro-4H-1,3-benzothiazin-4-one (di-p-CH3; C22H19NOS) (2) are reported.
Hemant P. Yennawar +3 more
doaj +1 more source
Crystal structures of two (Z)-2-(4-oxo-1,3-thiazolidin-2-ylidene)acetamides
Acta Crystallographica Section E: Crystallographic Communications, 2017 The crystal structures of two (oxothiazolidin-2-ylidene)acetamides, namely (Z)-2-[2-(morpholin-4-yl)-2-oxoethylidene]thiazolidin-4-one, C9H12N2O3S, (I), and (Z)-N-(4-methoxyphenyl)-2-(4-oxothiazolidin-2-ylidene)acetamide, C12H12N2O3S, (II), are described
Aleksei Galushchinskiy +2 more
doaj +1 more source