Results 1 to 10 of about 157,643 (192)

Development of an Ozone-Assisted Sample Preparation Method for the Determination of Cu and Zn in Rice Samples [PDF]

open access: yesJournal of Analytical Methods in Chemistry, 2021
A green analytical method for the determination of Cu and Zn in rice samples was developed. This method was based on an ozone-assisted extraction (OAE) in diluted acid media.
Mariela Pistón   +3 more
doaj   +3 more sources

Multiresidue analysis of basic, neutral, and acidic pesticides in biobeds’ biomixture [PDF]

open access: yesMethodsX, 2022
Contain between 1 and 3 bullet points highlighting the customization rather than the steps of the procedure.An analytical methodology was adjusted and validated for the analysis of 15 selected pesticides currently employed in extensive agriculture.
Sofía Rezende   +4 more
doaj   +2 more sources

Determination of aluminum concentrations in biological specimens: application in the clinical laboratory [PDF]

open access: yesAdvances in Laboratory Medicine, 2022
Aluminum enters the body primarily through diet or occupational exposure, and is cleared through urine. However, this trace element may accumulate and cause toxicity in subjects with renal insufficiency, and even in dialysis patients.
San Martín Sonia Pérez   +2 more
doaj   +2 more sources

Should we think about green or white analytical chemistry? Case study: Accelerated sample preparation using an ultrasonic bath for the simultaneous determination of Mn and Fe in beef [PDF]

open access: yesHeliyon, 2023
Green Analytical Chemistry (GAC) metrics include a variety of criteria, such as the regent amounts and toxicity, energy consumption, generated waste, among others. The analytical greenness metric (AGREE) and its variant for sample preparation (AGREEprep)
Javier Silva   +3 more
doaj   +2 more sources

Energy communities: engaging people and technologies in the future of energy [version 1; peer review: 1 approved, 2 approved with reservations] [PDF]

open access: yesOpen Research Europe, 2022
This is a summary of the clustering workshop at the Sustainable Places 2022 conference. The H2020 funded projects LIGHTNESS, HESTIA, LocalRES and CREATORS came together to shed light on the importance of engaging people and unlocking the potential of ...
Aggeliki Aggeli   +5 more
doaj   +2 more sources

Is the suckling period and application pattern relevant for fluazuron against tick infestation in cows and their suckling calves? [PDF]

open access: yesBMC Veterinary Research, 2021
Background Fluazuron is a chitin synthesis inhibitor administered as a pour-on formulation in cattle for tick control. This study analyzes under endemic tick infestation, the incidence of the pour-on application pattern on the plasma levels of fluazuron ...
Gonzalo Suárez   +6 more
doaj   +2 more sources

Fueros municipales. Traza de Derecho [PDF]

open access: yesMedievalista, 2015
The aim of this paper is to present the outlines of the evolution of the Local Law since the early medieval period (7-12th centuries) until the reception of the Common Law in the Iberian Peninsula (13-18th centuries), with special reference to regulation
Remédios Morán Martín
doaj   +3 more sources

Determination of multiclass, semi-polar pesticide residues in fatty fish muscle tissue by gas and liquid chromatography mass spectrometry [PDF]

open access: yesMethodsX, 2019
With the aim of monitoring multiclass semi-polar pesticide residues in freshwater fatty fish, two QuEChERS approaches (so-called acetate buffered and unbuffered versions) were evaluated for the determination of 77 pesticide residues.
Marcos Colazzo   +6 more
doaj   +2 more sources

Laboratory and Field Studies on Bioremediation of Point-source Contamination in Horticultural Crops Using Biobeds [PDF]

open access: yesACS Omega
Sofía Rezende   +9 more
doaj   +2 more sources

Elementos traza y trastorno afectivo bipolar

open access: yesRevista Universitas Medica, 2017
Introducción: Los elementos traza u oligoelementos son micronutrientes disponibles en mínima cantidad en el cuerpo humano y constituyen funciones vitales, lo que les confiere su importancia.
Kerly Viviana Cruz   +2 more
doaj   +4 more sources

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