Pollution in aquatic ecosystems due to negative human activities remains a problem in both
freshwater and marine environments and is an ongoing subject of research. Several studies …

For the first time a novel derivatized multi-walled carbon nanotubes-based on Mn (II) carbon
paste electrodes is reported. At optimum values of variable conditions, the proposed …

В статье приводится обзор публикаций международных научных журналов 2010-2013
годов, посвященных всем аспектам теоретических подходов к разработке и аттестации …

Leaves as a part of a plant are inevitably important to produce oxygen and absorb carbon
dioxide. Several elements like calcium (Ca), potassium (K), manganese (Mn), iron (Fe), and …

Inorganic nutrients are minor components of animal and plant tissues, which remain in
ashes after foods are incinerated. Minerals are classified into major and minor or trace …

This study presents the results obtained in the application of the k 0-standardization method
at the Neutron Activation Analysis Laboratory at IPEN (LAN-IPEN), for biological sample …

The element content as well as the particle size distribution of a new mussel candidate
reference material was investigated. Instrumental Neutron Activation Analysis was applied …

ABSTRACT The Nuclear and Energy Research Institute (IPEN-CNEN/SP), through the
Research Reactor Center (CERPq), conducts several studies using Instrumental Neutron …

RESUMO O consumo de peixes no Brasil ainda é pouco expressivo em algumas regiões,
porém, nos últimos anos, tem-se observado uma mudança no perfil nutricional da …

[en] The goal was to use the Instrumental Neutron Activation Analysis (INAA) to evaluate the
levels of essential and toxic elements in samples of hake (Cynoscion leiarchus) and sea …