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Phosphorus - PubMed

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Last Updated: 15 September 2022

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Improving the phosphorus budget of European agricultural soils.

According to sources, the European Green Deal and derived plans are designed to minimize P losses and fertilizer use in agricultural soils. Using the main inputs and outputs for the period 2011-2019, this research seeks to establish a soil P budget, allowing the quantification of P surpluses/deficits in the European Union and the UK. We created maps for both available and total P. We used measured results from nearly 22,000 samples for both available and total P. About 1:17, the ratio of available P to the total P is about 1:17. Both lowering inputs in regions with high surplus and rebalancing fertilization in those at risk of soil fertility depletion, improved P management by a regional scale.

Source link: https://doi.org/10.1016/j.scitotenv.2022.158706


Comparing the potential of Bacillus amyloliquefaciens CGMCC18230 with antimicrobial growth promoters for growth performance, bone development, expression of phosphorus transporters, and excreta microbiome in broiler chickens.

Both broilers fed BA and AGPs diets had higher BW, and the ADG was significantly higher than that of the CON group both in the grower phase and overall. P in excreta's content decreased drastically on days 21 and 42, respectively. In BA, Tibia bone mineralization was much higher, and the mRNA of P transport-related genes PiT-1,2,2 in the duodenum and jejunum was considerably higher in the BA group than in the CON group. Dietary BA supplementation increased the relative abundance of butyrate-producing bacteria and polyamine-producing bacteria, which had a positive effect on bone formation, according to 16S rRNA gene sequencing, which had a positive effect on bone growth. These results show that ba CGMCC18320 can aid broiler growth and bone health in a similar manner to supplementation with AGPs through increased intestinal P transporter regulation, microbial modulation, and increased P retention.

Source link: https://doi.org/10.1016/j.psj.2022.102126


Facile synthesis of black phosphorus-zinc oxide nanohybrids for antibacterial coating of titanium surface.

Hence, the production of Ti surfaces with antibacterial activity is extremely important. Due to its tunable bandgap and physicochemical properties, Black phosphorus, a recently discovered promising two-dimensional semiconductor for a variety of biomedical applications. The present research sought to synthesize zinc oxide laden BP nanohybrids and their coatings on a Ti bioimplant surface for increasing the antibacterial activity against pathogenic bacteria with and without near-infrared light irradiation. BP-ZnO NH was a NIR active nanomaterial with a photothermal action against bacterial infection and showed increased activity in comparison to E. coli, with reduced cell membrane damage damaging the cell membrane toward S. aurus. The Ti surface treated with BP-ZnO NH embedded chitosan demonstrated higher antibacterial activity than BP NF, particularly with NIR light therapy. Moreover, the produced BP nanoflakes and BP-ZnO NH coatings over the Ti surface were found to be contaminated at a negligible level.

Source link: https://doi.org/10.1016/j.colsurfb.2022.112807


CaO-assisted hydrothermal treatment combined with incineration of sewage sludge: Focusing on phosphorus (P) fractions, P-bioavailability, and heavy metals behaviors.

Hydrothermal treatment has been a promising method for increasing SS dewaterability with high energy efficiency. However, the experience of phosphorus conversion and heavy metals reactions in the combined HT and incineration process was also lacking. In the resulting ash samples, CaO preferred to improve the conversion of non-apatite inorganic phosphorus to apatite phosphorus initially with enriched P and higher P-bioavailability. With the increase of the stable F4 fraction in HMs, the combination process has reduced the risk assessment code and individual contamination factor. With the lowest global risk index of 43. 76 in the combination process, a significant reduction of potential ecological risk was observed. The work here will give theoretical guidelines for the potential use of P from SS to offset the foreseeable shortage of P rocks.

Source link: https://doi.org/10.1016/j.chemosphere.2022.136391


Ligand-Enabled Donnan Dialysis for Phosphorus Recovery from Alum-Laden Waste Activated Sludge.

While most nutrient recovery methods focus on liquid waste streams, new methods are needed for efficient phosphorus extraction from solid waste. This study reveals how an innovative ligand-enabled Donnan dialysis process can be used to recover orthophosphate from alum-laden waste activated sludge. Citrate and EDTA have released more than 95% of P at 30 mgm doses, outperforming acetate and oxalate, according to Citrate and EDTA. P recovery efficiencies were marginally lower for Donnan dialysis with real, alum-laden WAS, respectively, at 51. 9 percent and 25. 2% for EDTA and citrate addition, owing to competitive forces imposed by other dissolved species.

Source link: https://doi.org/10.1021/acs.est.2c02153


Nitrogen to phosphorus ratio shapes bacterial community involved in cellulose decomposition and copper contamination alters their stoichiometric demand.

Here, we examined optimal N: P ratios of microbial communities involved in cellulose decomposition and assessed their stability when exposed to copper Cu. We hypothesized that cellulose decomposition is maximized for an optimal N: P ratio, copper exposure reduces cellulose decomposition and raises microbial optimal N: P ratio, N: P ratio, and copper exposure improves microbial optimal N: P ratio, increasing microbial optimal N: P ratio, N: P ratio, and copper enrichment of microbial decomposition communities. paracomposition in microcosms exposed to a gradient of N: P ratios at three copper concentrations was determined by a natural inoculum.

Source link: https://doi.org/10.1093/femsec/fiac107


Black phosphorus nanosheets-enabled DNA hydrogel integrating 3D-printed scaffold for promoting vascularized bone regeneration.

Due to the unique physical and mechanical adaptation to bone defects, bone regeneration has been a hot topic. The classical 3D-printed scaffolds have piqued a lot of interest in bone regeneration. Both human umbilical vein endothelial cells and mesenchymal stem cells as well as in a small-scale rat cranial defect model are among the effects of this activated construct. The findings reveal that the gel-scaffold design is able to promote mature blood vessels as well as stimulate osteogenesis to promote new bone formation, as well as encourage osteogenesis to promote new bone formation, indicating that the design of a nano-enabled dynamic hydrogel mixed with a 3D-printed scaffold holds a lot of promise for bone tissue engineering.

Source link: https://doi.org/10.1016/j.bioactmat.2022.08.005


Variation of the element composition of municipal sewage sludges in the context of new regulations on phosphorus recovery in Germany.

For all sewage sludges that have more than 20 g P/kg dry matter from 2029 in Germany, phosphate recovery is mandatory. During the year, nine wastewater treatment plants were selected to investigate variations in phosphorus content and other parameters in sewage sludge. phosphorus and other matrix elements from each WWTP sample were tested for many trace elements and ignition loss. Phosphorus fluctuations in several WWTPs with chemical phosphorus elimination, including iron and/or aluminum, were similar to those in previous WWTPs with chemical phosphorus elimination. Rather, the calcium dosage effect was seen in chamber filter presses rather than the dilution effects of calcium intake.

Source link: https://doi.org/10.1186/s12302-022-00658-4


Root associated fungal lineages of a tropical montane forest show contrasting sensitivities to the long-term addition of nitrogen and phosphorus.

Rooted fungal communities can have a major influence on plant populations and are particularly vulnerable to soil fertility shifts that are often overlooked. We evaluated the reaction of RAF communities to a fertilization experiment carried out on a highly diverse Andean forest as increased atmospheric nitrogen and phosphorus deposition can change natural ecosystems' nutrient balance. After 7 years of systematic N and P additions and RAF groups, a deep sequencing strategy was used to determine the stand-level fine root fraction. Fertilization treatments did not reduce RAF richness, but they did influence community composition.

Source link: https://doi.org/10.1111/1758-2229.13121

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions