نتایج جستجو برای: modified flory

تعداد نتایج: 251459  

2017
Ingrid M. J. Scholtens Bonnie Molenaar Richard A. van Hoof Stephanie Zaaijer Theo W. Prins Esther J. Kok

In most countries, systems are in place to analyse food products for the potential presence of genetically modified organisms (GMOs), to enforce labelling requirements and to screen for the potential presence of unauthorised GMOs. With the growing number of GMOs on the world market, a larger diversity of methods is required for informative analyses. In this paper, the specificity of an extended...

2002

Genetically modified organisms (GMOs) can be defined as organisms in which the genetic material (DNA) has been altered in a way that does not occur naturally. The technology is often called “modern biotechnology” or “gene technology”, sometimes also “recombinant DNA technology” or “genetic engineering”. It allows selected individual genes to be transferred from one organism into another, also b...

2004

This document provides an opinion of the Scientific Panel on Genetically Modified Organisms (GMO Panel) of the European Food Safety Authority (EFSA) on genetically modified maize MON 863 and the maize hybrid MON 863 x MON 810. The opinion is based on two questions raised by the Commission related to applications for the placing of the maize on the market by Monsanto under the Novel Food Regulat...

2008
Miguel Altieri

1.1 Purpose The use of genetically modified organisms (GMOs) in agriculture is rising, but not without debate. There are many scientists who argue that genetic engineering in agriculture is the best way to solve many issues of poverty, food security, environmental harm, and the need for increasing competitiveness in sales, but others raise ethical issues regarding the health of the people who c...

Journal: :Macromolecules 2023

Predicting and understanding the phase equilibria or separation in polymer–solvent solutions represent unresolved fundamental problems polymer science. The behavior thermodynamics of miscibility depend on inter- intramolecular interactions a with certain molecular weight distribution mixed solvent. Here, we develop machine-learning framework to achieve highly generalized robust prediction Flory...

2012
Jinlong Zhu Hongwu Xu Jianzhong Zhang Changqing Jin Liping Wang Yusheng Zhao

Related Articles Surface instabilities of minority chains in dense polymer brushes: A comparison of density functional theory and quasi-off-lattice self-consistent field theory J. Chem. Phys. 137, 064907 (2012) Strength and equation of state of fluorite phase CeO2 under high pressure J. Appl. Phys. 112, 013532 (2012) Acoustic properties of Kel F-800 copolymer up to 85 GPa J. Chem. Phys. 137, 01...

2016
Daniel Lhuillier

We propose a new form of free energy for polymeric fractals (chain-like, branched or membranes) based on self-similarity arguments and on the existence of a maximum gyration radius. Results are obtained conceming the size exponents at the theta-point and critical point. These two exponents depend on a single parameter only, for which a simple phenomenological expression is provided. A very good...

2015
Dorota Gugała-Fekner Jolanta Nieszporek Dorota Sieńko

ABSTRACT Adsorption of 1-decanesulfonic acid at the electrode-NaClO4 solution interface was determined by double-layer differential capacity measurements. At potentials less than -1,200 mV, the adsorption of the anionic surfactant on the electrode does not occur. Low concentrations of the anionic surfactant (below cmc) causes slight changes in the zero charge potential, Ez, and the surface tens...

2002
Nikolaos A. Peppas

The feasibility of preparation of novel controlled release systems for the delivery of fragrances was investigated. The thermodynamic interactions of model substances which are typical constituents of fragrances with various copolymers were analyzed in the presence of a surrounding fluid. Conditions of favorable release were established by estimating the fragrance partition coefficient. Infinit...

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