نتایج جستجو برای: modified bentonites

تعداد نتایج: 250953  

Journal: :Anais da Academia Brasileira de Ciencias 2006
Luiz F L Reis Marie-Anne Van Sluys Richard C Garratt Humberto M Pereira Mauro M Teixeira

Biosafety of genetically modified organisms (GMOs) and their derivatives is still a major topic in the agenda of government and societies worldwide. The aim of this review is to bring into light that data that supported the decision taken back in 1998 as an exercise to stimulate criticism from the scientific community for upcoming discussions and to avoid emotional and senseless arguments that ...

2017
Iván Sánchez-Castro Mohammed Bakkali Mohamed L. Merroun

The Gram-negative bacterium Stenotrophomonas bentonitica BII-R7T was isolated from bentonite formations. Like other species within the genus Stenotrophomonas, strain BII-R7T possesses high tolerance to numerous heavy metals, suggesting potential for bioremediation purposes. The draft genome sequence reported here comprises 4.37 Mb with a G+C content of 66.5% and 3,796 predicted protein-coding s...

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...

2017
Douglas M. Parker P. B. Wignall P. D. Jones F. H. Schweingruber R. E. Karlin L. J. Toolin D. J. Donahue

Volcanic ash fall is the most important cause for the existence and preservation of organic rich shales. If this hypothesis is confirmed, the implications are many. Formation of organic-rich shales correlates with high water column productivity rather than anoxia. Coastal upwelling occurs in about one percent of the world's oceans today. Upwelling concentrates sediments locally or regionally an...

Journal: :Palaeogeography, Palaeoclimatology, Palaeoecology 2019

Journal: :Minerals 2022

This study builds a model to predict distribution coefficients (Kd) using the random forest (RF) method and machine learning based on Japan Atomic Energy Agency Sorption Database (JAEA-SDB). A database of ten input variables, including coefficient, pH, initial radionuclide concentrations, solid–liquid ratio, ionic strength, oxidation number, cation exchange capacity, surface area, electronegati...

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