Results 31 to 40 of about 770,458 (344)

Electrospinning and Post-Spun Chain Conformations of Synthetic, Hydrophobic Poly(α-amino acid)s. [PDF]

open access: yes, 2020
Electrospinning and post-spun conformations of hydrophobic poly(α-amino acid)s are described in this study. The poly(α-amino acid)s, poly(Gly), poly(L-Ala), poly(L-Val), and poly(L-Leu) were synthesized via corresponding N-carboxy-a-amino acid anhydrides.
Devarayan, Kesavan   +4 more
core   +1 more source

A supramolecular proposal of lignin structure and its relation with the wood properties

open access: yesAnais da Academia Brasileira de Ciências, 2009
In spite of the great importance of cellulose the lignin is considered the second most abundant substance of the wood. However, little attention has been given it, mainly to wood properties. The lignin as well as other structural compounds (cellulose and
Heber S. Abreu   +5 more
doaj   +1 more source

Crystal structures of (2E)-1-(3-bromothiophen-2-yl)-3-(2-methoxyphenyl)prop-2-en-1-one and (2E)-1-(3-bromothiophen-2-yl)-3-(3,4-dimethoxyphenyl)prop-2-en-1-one

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
In the molecules of the title compounds, (2E)-1-(3-bromo-thiophen-2-yl)-3-(2-methoxyphenyl)prop-2-en-1-one, C14H11BrO2S, (I), which crystallizes in the space group P-1 with four independent molecules in the asymmetric unit (Z′ = 8), and (2E)-1-(3 ...
Vasant S. Naik   +5 more
doaj   +1 more source

Joint profiling of DNA methylation and chromatin architecture in single cells. [PDF]

open access: yes, 2019
We report a molecular assay, Methyl-HiC, that can simultaneously capture the chromosome conformation and DNA methylome in a cell. Methyl-HiC reveals coordinated DNA methylation status between distal genomic segments that are in spatial proximity in the ...
AD Schmitt   +31 more
core   +1 more source

The Rotational Barrier in Ethane: A Molecular Orbital Study

open access: yesMolecules, 2012
The energy change on each Occupied Molecular Orbital as a function of rotation about the C-C bond in ethane was studied using the B3LYP, mPWB95 functional and MP2 methods with different basis sets.
Gonzalo J. Mena-Rejón   +3 more
doaj   +1 more source

Novel mechanism for temperature-independent transitions in flexible molecules: role of thermodynamic fluctuations

open access: yes, 2010
Novel physical mechanism is proposed for explanation of temperature-independent transition reactions in molecular systems. The mechanism becomes effective in the case of conformation transitions between quasi-isoenergetic molecular states.
Krishtal, O. A.   +3 more
core   +1 more source

Cryo-EM structure of the E. coli translating ribosome in complex with SRP and its receptor [PDF]

open access: yes, 2010
We report the 'early' conformation of the Escherichia coli signal recognition particle (SRP) and its receptor FtsY bound to the translating ribosome, as determined by cryo-EM.
Ban, Nenad   +4 more
core   +1 more source

First-Principles Simulations of Inelastic Electron Tunneling Spectroscopyof Molecular Junctions

open access: yes, 2005
A generalized Green's function theory is developed to simulate the inelastic electron tunneling spectroscopy (IETS) of molecular junctions. It has been applied to a realistic molecular junction with an octanedithiolate embedded between two gold contacts ...
Jiang, Jun   +3 more
core   +1 more source

The conformational evolution of elongated polymer solutions tailors the polarization of light-emission from organic nanofibers [PDF]

open access: yes, 2014
Polymer fibers are currently exploited in tremendously important technologies. Their innovative properties are mainly determined by the behavior of the polymer macromolecules under the elongation induced by external mechanical or electrostatic forces ...
Allegrini, Maria   +7 more
core   +2 more sources

Hsp70 and Hsp40 inhibit an inter-domain interaction necessary for transcriptional activity in the androgen receptor. [PDF]

open access: yes, 2019
Molecular chaperones such as Hsp40 and Hsp70 hold the androgen receptor (AR) in an inactive conformation. They are released in the presence of androgens, enabling transactivation and causing the receptor to become aggregation-prone.
Banduseela, Varuna C   +19 more
core   +2 more sources

Home - About - Disclaimer - Privacy