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Total 408335 results found since Jan 2013.

Influence of swine manure on growth, P uptake and activities of acid phosphatase and phytase of Polygonum hydropiper.
Abstract Excessive application of animal manure to the farmland results in enrichment of P in the soil. Phytoremediation is a promising strategy for extracting excess P from manure impacted soil. P uptake characteristics of a mining ecotype (ME) and a non-mining ecotype (NME) of Polygonum hydropiper were investigated in this study by adopting soil culture containing various concentrations of swine manure (0-200g swine manure kg(-1) soil). A peak value in the biomass of P. hydropiper was determined in 100gkg(-1) soil. Significant increase of P content in tissues of two ecotypes was noticed with an increase in swine...
Source: Chemosphere - January 30, 2014 Category: Chemistry Authors: Ye D, Li T, Chen G, Zheng Z, Yu H, Zhang X Tags: Chemosphere Source Type: research

Concurrent determination of cyanide and thiocyanate in human and swine antemortem and postmortem blood by high-performance liquid chromatography-tandem mass spectrometry
Anal Bioanal Chem. 2023 Sep 15. doi: 10.1007/s00216-023-04939-6. Online ahead of print.ABSTRACTCyanide (in the form of cyanide anion (CN-) or hydrogen cyanide (HCN), inclusively represented as CN) can be a rapidly acting and deadly poison, but it is also a common chemical component of a variety of natural and anthropogenic substances. The main mechanism of acute CN toxicity is based on blocking terminal electron transfer by inhibiting cytochrome c oxidase, resulting in cellular hypoxia, cytotoxic anoxia, and potential death. Due to the well-established link between blood CN concentrations and the manifestation of symptoms,...
Source: Analytical and Bioanalytical Chemistry - September 15, 2023 Category: Chemistry Authors: Abdullah H Alluhayb Carter Severance Tara Hendry-Hofer Vikhyat S Bebarta Brian A Logue Source Type: research

A mapping exercise using automated techniques to develop a search strategy to identify systematic review tools
AbstractThe Systematic Review Toolbox aims provide a web-based catalogue of tools that support various tasks within the systematic review and wider evidence synthesis process. Identifying publications surrounding specific systematic review tools is currently challenging, leading to a high screening burden for few eligible records. We aimed to develop a search strategy that could be regularly and automatically run to identify eligible records for the SR Toolbox, thus reducing time on task and burden for those involved. We undertook a mapping exercise to identify the PubMed IDs of papers indexed within the SR Toolbox. We the...
Source: Research Synthesis Methods - September 6, 2023 Category: Chemistry Authors: Anthea Sutton, Hannah O'Keefe, Eugenie Evelynne Johnson, Christopher Marshall Tags: RESEARCH ARTICLE Source Type: research

Comparison of MS2, synchronous precursor selection MS3, and real-time search MS3 methodologies for lung proteomes of hydrogen sulfide treated swine.
Abstract Tandem mass tags (TMTs) have increasingly become an attractive technique for global proteomics. However, its effectiveness for multiplexed quantitation by traditional tandem mass spectrometry (MS2) suffers from ratio distortion. Synchronous precursor selection (SPS) MS3 has been widely accepted for improved quantitation accuracy, but concurrently decreased proteome coverage. Recently, a Real-Time Search algorithm has been integrated with the SPS MS3 pipeline (RTS MS3) to provide accurate quantitation and improved depth of coverage. In this mechanistic study of the impact of exposure to hydrogen sulfide (H...
Source: Analytical and Bioanalytical Chemistry - October 25, 2020 Category: Chemistry Authors: Fu Q, Liu Z, Bhawal R, Anderson ET, Sherwood RW, Yang Y, Thannhauser T, Schroyen M, Tang X, Zhang H, Zhang S Tags: Anal Bioanal Chem Source Type: research

Antibiotics in swine husbandry effluents: Laying the foundations for their efficient removal with a biocompatible ionic liquid
Publication date: 15 August 2016 Source:Chemical Engineering Journal, Volume 298 Author(s): M.S. Álvarez, L. Gómez, R.G. Ulloa, F.J. Deive, M.A. Sanromán, A. Rodríguez The presence of emerging contaminants such as antibiotics is currently urging the search of new techniques to efficiently remove them from the environment. In this work, the exceptional ability of a cholinium-based ionic liquid to salt out aqueous solutions of non-ionic surfactants containing tetracycline and oxytetracycline has been demonstrated. The deep characterization of the phase diagrams has allowed implementing the process with an antibio...
Source: Chemical Engineering Journal - April 19, 2016 Category: Chemistry Source Type: research

The effects of carbon nitrogen ratio and salinity on the treatment of swine digestion effluent simultaneously producing bioenergy by microalgae biofilm
Chemosphere. 2023 Aug 1:139694. doi: 10.1016/j.chemosphere.2023.139694. Online ahead of print.ABSTRACTIn order to remove high concentrations of ammonia nitrogen (NH4+-N) and refractory sulfamethazine (SM2) from swine digestion effluent, different carbon/nitrogen (C/N) ratios and salinity were used to determine the effects of pollutants removal in the microalgae biofilm system. Microalgae biofilm treatment under optimal environmental conditions in synthetic swine digestion effluent were C/N ratio of 20 and salinity of 140 mM. In order to make the actual swine digestion effluent discharge up to the standard, three different ...
Source: Chemosphere - August 3, 2023 Category: Chemistry Authors: Yiwen Mou Na Liu Tianxiang Lu Cong Jia Chongqing Xu Mingming Song Source Type: research

Beta-agonist residues in cattle, chicken and swine livers at the wet market and the environmental impacts of wastewater from livestock farms in Selangor State, Malaysia.
Abstract Fourteen beta-agonists were quantitatively analyzed in cattle, chicken and swine liver specimens purchased at 14 wet markets in Selangor State, Malaysia, by liquid chromatography-tandem mass spectrometry (LC-MS/MS). The health risks of ractopamine and clenbuterol residues in the Malaysian population were assessed based on quantitative data and meat consumption statistics in Malaysia. Wastewater samples collected at swine farms (n = 2) and cattle/cow farms (n = 2) in the Kuala Langat district were analyzed for the presence for the 14 compounds. Wastewater in chicken farms was not collected because ther...
Source: Chemosphere - September 17, 2016 Category: Chemistry Authors: Sakai N, Sakai M, Mohamad Haron DE, Yoneda M, Ali Mohd M Tags: Chemosphere Source Type: research

Dissemination of antibiotic resistance genes and their potential removal by on-farm treatment processes in nine swine feedlots in Shandong Province, China.
This study helps the effective assessment and management of ecological risks arising from ARGs in swine feedlots. PMID: 27728885 [PubMed - as supplied by publisher]
Source: Chemosphere - October 7, 2016 Category: Chemistry Authors: Ben W, Wang J, Pan X, Qiang Z Tags: Chemosphere Source Type: research

Natural Ecuadorian zeolite: An effective ammonia adsorbent to enhance methane production from swine waste
Chemosphere. 2023 Jun 10:139098. doi: 10.1016/j.chemosphere.2023.139098. Online ahead of print.ABSTRACTAnaerobic digestion (AD) of swine waste allows obtaining renewable energy, biofertilizer and the reduction of environmental impacts. However, the low C:N ratio of pig manure generates high concentrations of ammonia nitrogen in the digestion process, reducing methane production. Zeolite is an effective ammonia adsorbent; thus, in this research the ammonia adsorption capacity of natural Ecuadorian zeolite was studied under different operating conditions. Subsequently, its effect on methane production from swine waste was ev...
Source: Chemosphere - June 12, 2023 Category: Chemistry Authors: Rosa Cecilia Ru íz-Bastidas Gemma Turnes Edwin Palacio Luz Stella Cadavid-Rodr íguez Source Type: research