Results 21 to 30 of about 582,498 (279)

Immobilization and assessment of heavy metals in chicken manure compost amended with rice straw-derived biochar

open access: yesEnvironmental Pollutants & Bioavailability, 2021
In this study, a 30-days laboratory experiment was implemented to investigate the impact of additive biochar on the stabilization of heavy metals in chicken manure compost.
Hui Li   +6 more
doaj   +1 more source

A Comparative Pharmacokinetics Study of the Anti-Parkinsonian Drug Pramipexole

open access: yesScientia Pharmaceutica, 2016
The present study aimed to compare pharmacokinetic parameters of two pramipexole 0.25 mg formulations in order to show bioequivalence. The study was conducted in a randomized, open-label, two-period, two-sequence, and crossover design, involving 23 ...
Ratih S. I. Putri   +5 more
doaj   +1 more source

Assessment of high fluoride in water sources and endemic fluorosis in the North-Eastern communities of Gombe State, Nigeria

open access: yesEnvironmental Pollutants & Bioavailability, 2021
Fluoride content of drinking water sources in 12 communities in North-Eastern states, Nigeria, was investigation. The fluoride concentration analyses were performed using the SPADNS method according to the standard method for examining water and ...
Abdulmoseen Segun Giwa   +8 more
doaj   +1 more source

Heavy metal bioavailability and bioaccessibility in soil [PDF]

open access: yes, 2009
This chapter considers the use of a variety of approaches to assess either the bioavailability or the bioaccessibility of metals in soil. The bioavailability of metals from soils is considered with respect to a series of single-extraction methods ...
A.G. Oomen   +8 more
core   +1 more source

New Modified UPLC/Tandem Mass Spectrometry Method for Determination of Risperidone and Its Active Metabolite 9-Hydroxyrisperidone in Plasma: Application to Dose-Dependent Pharmacokinetic Study in Sprague-Dawley Rats

open access: yesInternational Journal of Analytical Chemistry, 2017
Sensitive and specific liquid-chromatography tandem mass spectrometry (UPLC-MS/MS) assay has been developed and validated for simultaneous quantification of risperidone (RIS) and its active metabolite 9-hydroxyrisperidone (9-OH-RIS) in rat plasma using ...
Essam Ezzeldin   +2 more
doaj   +1 more source

Dynamic analysis of platinum material flows and stocks with hybrid MFA method aiming to carbon neutral targets of automotive industry in China

open access: yesEnvironmental Pollutants & Bioavailability, 2021
Platinum is a key material in the automotive industry. In this study, we first quantitatively analyzed the platinum cycle from 2009 to 2019 in the automotive industry in China.
Yana Zhang   +4 more
doaj   +1 more source

Using deuterated PAH amendments to validate chemical extraction methods to predict PAH bioavailability in soils [PDF]

open access: yes, 2011
Validating chemical methods to predict bioavailable fractions of polycyclic aromatic hydrocarbons (PAHs) by comparison with accumulation bioassays is problematic.
Collins, Christopher David   +2 more
core   +1 more source

UPLC-Tandem Mass Spectrometry Method for Simultaneous Determination of Fluoxetine, Risperidone, and Its Active Metabolite 9-Hydroxyrisperidone in Plasma: Application to Pharmacokinetics Study in Rats

open access: yesJournal of Analytical Methods in Chemistry, 2017
Risperidone (RIS) is used as an antipsychotic drug alone or with other drugs, like fluoxetine (FLX). A simple method was developed and validated for the determination of both RIS and its metabolite 9-hydroxyrisperidone (9-OH-RIS), FLX, and olanzapine ...
Essam Ezzeldin   +2 more
doaj   +1 more source

Impacts of crop residues on soil health: a review

open access: yesEnvironmental Pollutants & Bioavailability, 2021
Crop residues are mainly post-harvest remains of agriculture. The organic matters, nutrients, and hollow structures of crop residues enable them to be applied in agriculture. In this review, we summarize the impacts of crop residues on soil health.
Bin Fu   +4 more
doaj   +1 more source

Bioavailability of Cu and Zn in raw and anaerobically digested pig slurry [PDF]

open access: yes, 2009
The impact of anaerobic digestion on the bioavailability of copper and zinc from pig slurry was assessed. Both chemical and biological approaches were used independently on raw slurry (RS) and anaerobically digested pig slurry (DS).
Cecchi, Marie   +4 more
core   +2 more sources

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