نتایج جستجو برای: p iron phosphate fe

تعداد نتایج: 1528476  

2003

In order to improve the trophic state of Lake Sempach, a eutrophied lake in central Switzerland, its external phosphorus (P) load has been decreased and its hypolimnion has been artificially oxygenated to lower the lake-internal P recycling. Based on more than 15 yr of experience, we conclude that the reduction of the external P load resulted in a corresponding decrease of the lake’s P concentr...

2015
Ganesh Mahidhara Rupinder K Kanwar Kislay Roy Jagat R Kanwar

We determined the anticancer efficacy and internalization mechanism of our polymeric-ceramic nanoparticle system (calcium phosphate nanocores, enclosed in biodegradable polymers chitosan and alginate nanocapsules/nanocarriers [ACSC NCs]) loaded with iron-saturated bovine lactoferrin (Fe-bLf) in a breast cancer xenograft model. ACSC-Fe-bLf NCs with an overall size of 322±27.2 nm were synthesized...

Journal: :Frontiers in Environmental Science 2022

Coprecipitation with iron (Fe) plays an essential role in the biogeochemical cycles of organic carbon (OC) and phosphorus (P) lakes. The sources composition matter (OM) mediate its association iron, which could thus influence immobilization phosphorus. In this study, water-soluble from sediments two typical states shallow lakes, macrophyte-dominated zones (M-WSOM) algae-dominated (A-WSOM), was ...

2015
Renald David

The title compound, poly[(μ2-hydrazine)(μ4-phosphato)iron(III)], [Fe(PO4)(N2H4)] n , was prepared under hydro-thermal conditions. Its asymmetric unit contains one Fe(III) atom located on an inversion centre, one P atom located on a twofold rotation axis, and two O, one N and two H atoms located on general positions. The Fe(III) atom is bound to four O atoms of symmetry-related PO4 tetra-hedra a...

2014
Mario Cozzolino Felix Funk Viatcheslav Rakov Olivier Phan Isaac Teitelbaum

Sucroferric oxyhydroxide (VELPHORO) is a polynuclear iron-based phosphate binder recently approved for the treatment of hyperphosphataemia in patients with chronic kidney disease (CKD). As a number of the available phosphate binders do not provide the optimal combination of good efficacy, adequate tolerability and low pill burden, sucroferric oxyhydroxide constitutes a promising alternative. Am...

Journal: :The Science of the total environment 2001
E L Petticrew J M Arocena

Biological, physical and chemical characteristics of the water column of a shallow (Zmax = 9.2 m), small (surface area 3.8 km2) residential and recreational lake near Prince George, British Columbia, indicated that the system was being loaded internally with phosphorus (P) from the sediments. The abundance of P released from the fine glaciolacustrine, and organic rich sediments was resulting in...

Journal: :Small structures 2023

A novel recycling process of the conductive agent in spent lithium iron phosphate batteries is demonstrated. Wet chemistry applied recovering and phosphate, filter residue calcined with a small amount recovered N2 at 900 °C to form FeNP-codoped carbon catalyst, which exhibits low half-wave potential excellent durability for oxygen reduction. When rechargeable Zn–air battery, power density can...

Journal: :Analytical chemistry 2012
Po-Han Li Ju-Yu Lin Cheng-Tai Chen Wei-Ru Ciou Po-Han Chan Liyang Luo Hung-Yu Hsu Eric Wei-Guang Diau Yu-Chie Chen

Glutathione-bound gold nanoclusters (AuNCs@GSH) can emit reddish photoluminescence under illumination of ultraviolet light. The luminescence of the AuNCs@GSH is quenched when chelating with iron ions (AuNCs@GSH-Fe(3+)), presumably resulting from the effective electron transfer between the nanoclusters and iron ions. Nevertheless, we found that the luminescence of the gold nanoclusters can be re...

Journal: :Applied and environmental microbiology 2000
L Harahuc H M Lizama I Suzuki

The oxidation of either ferrous iron or sulfur by Thiobacillus ferrooxidans was selectively inhibited or controlled by various anions, inhibitors, and osmotic pressure. Iron oxidation was more sensitive than sulfur oxidation to inhibition by chloride, phosphate, and nitrate at low concentrations (below 0.1 M) and also to inhibition by azide and cyanide. Sulfur oxidation was more sensitive than ...

2007
Thomas J. Buckhout

D i s s e r t a t i o n zur Erlangung des akademischen Grades d o c t o r r e r u m n a t u r a l i u m ABSTRACT Limitation of immobile nutrients, such as iron (Fe) and phosphate (P), induces the development of additional root hairs that lead to an increase of the absorptive surface of the root. The increased root hair frequency of Fe-and P-deficient Arabidopsis was realized by different strate...

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