keyword
MENU ▼
Read by QxMD icon Read
search

Phosphates

keyword
https://www.readbyqxmd.com/read/29679891/removal-of-arsenic-and-mercury-species-from-water-by-covalent-triazine-framework-encapsulated-%C3%AE-fe-2-o-3-nanoparticles
#1
Karen Leus, Karel Folens, Nina Ricci Nicomel, Jeffrey Paulo H Perez, Maria Filippousi, Maria Meledina, Marinela M Dîrtu, Stuart Turner, Gustaaf Van Tendeloo, Yann Garcia, Gijs Du Laing, Pascal Van Der Voort
The covalent triazine framework, CTF-1, served as host material for the in situ synthesis of Fe2 O3 nanoparticles. The composite material consisted of 20 ± 2 m% iron, mainly in γ-Fe2 O3 phase. The resulting γ-Fe2 O3 @CTF-1 was examined for the adsorption of AsIII , AsV and HgII from synthetic solutions and real surface-, ground- and wastewater. The material shows excellent removal efficiencies, independent from the presence of Ca2+ , Mg2+ or natural organic matter and only limited dependency on the presence of phosphate ions...
April 16, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29679866/influence-of-humic-substances-on-iron-distribution-in-the-east-china-sea
#2
Han Su, Rujun Yang, Yan Li, Xuchen Wang
The influence of humic substances (specifically humic and fulvic acids, referred to as HS-HA and HS-FA) as well as other factors, such as major nutrient concentrations of total dissolved nitrogen (TDN), total dissolved phosphate (TDP) and hydrologic factors, on the distribution of total dissolved iron (DFe) and the chemical speciation of DFe was studied in the East China Sea (ECS) during a summer cruise in 2013. As the wide rage fraction of nature organic matter, the HS-HA, HS-FA in ESC contains most part of the organic ligand (Lt) of DFe...
April 9, 2018: Chemosphere
https://www.readbyqxmd.com/read/29679828/accelerated-effects-of-nano-zno-on-phosphorus-removal-by-chlorella-vulgaris-formation-of-zinc-phosphate-crystallites
#3
Huaixian Xiao, Na Liu, Ke Tian, Shixiang Liu, Fei Ge
Nanoparticles have been reported to induce toxicity to aquatic organisms, however, their potential impacts on phosphorus removal from wastewater by algae are unclear. In this study, the effects of nanoparticle ZnO (nano-ZnO) on phosphate (PO4 3- ) removal by a green alga Chlorella vulgaris were investigated. We found that PO4 3- removal efficiency was accelerated with high concentrations of nano-ZnO (0.04-0.15mM) but reduced with low concentrations of nano-ZnO (0.005-0.04mM) compared to the control (without nano-ZnO), suggesting that PO4 3- removal efficiency by C...
April 18, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29679808/%C3%AE-tricalcium-phosphate-composite-ceramics-with-high-compressive-strength-enhanced-osteogenesis-and-inhibited-osteoclastic-activities
#4
Ye Tian, Teliang Lu, Fupo He, Yubin Xu, Haishan Shi, Xuetao Shi, Fei Zuo, Shanghua Wu, Jiandong Ye
β-tricalcium phosphate (β-TCP) is well known as a resorbable bone repair material due to its inherent excellent biocompatibility and osteoconductivity. However, β-TCP is encountered with osteostimulation-deficiency and poor mechanical strength because of poor sinterability. Herein, we prepared novel β-TCP composite ceramics (TCP/SPGs) by introducing strontium-containing phosphate-based glass (SPG; 45P2 O5 -32SrO-23Na2 O) as sintering additive. The SPG helped to achieve efficient liquid-phase sintering of β-TCP at 1100 °C...
April 13, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29679666/glutathione-sensitive-hollow-mesoporous-silica-nanoparticles-for-controlled-drug-delivery
#5
Seyyed Pouya Hadipour Moghaddam, Mostafa Yazdimamaghani, Hamidreza Ghandehari
Tunable glutathione (GSH)-sensitive hollow mesoporous silica nanoparticles (HMSiO2 NPs) were developed using a structural difference-based selective etching strategy. These organosilica hollow nanoparticles contained disulfide linkages (S-S) in the outer shell which were degraded by GSH. The particles were compared with their nonGSH-sensitive tetraethyl orthosilicate (TEOS) HMSiO2 counterparts in terms of their synthesis method, characterization, DOX release profile, and in vitro cytotoxicity in MCF-7 breast cancer cells...
April 18, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29679527/effects-of-a-new-chlorhexidine-varnish-on-streptococcus-mutans-biofilm-formation-in-vitro
#6
Ali Hayati, Farhud Najafi, Fahimeh Sadat Tabatabaei
BACKGROUND: Local sustained-release drug delivery systems increase the substantivity of drugs in the oral environment and subsequently enhance their therapeutic effects. This study sought to compare the effects of two commercially available varnishes and one experimental chlorhexidine (CHX) varnish on formation of Streptococcus mutans biofilm. The solubility rates of the varnishes were evaluated as well. METHODS: Standard acrylic discs were fabricated and divided into groups based on the varnish applied to the disc surfaces, namely, V-varnish, Pascal, and experimental CHX varnish...
April 21, 2018: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/29679354/low-serum-phosphate-is-associated-with-ischemic-stroke-in-hemodialysis-patients
#7
Tsang-Shan Chen, Chao-Hung Chen, Chien-An Chen, Li-Ping Chou, Chi-Chu Liu
BACKGROUND: Hemodialysis patients have a high incidence of ischemic stroke. However, the association between serum phosphate levels and ischemic stroke is controversial among hemodialysis patients. The present study is used to evaluate whether serum phosphate levels are associated with ischemic stroke among patients undergoing hemodialysis. METHODS: A total of 84 hemodialysis patients were followed up for 8 years. Data collection included chart reviews and assessments of laboratory records...
April 20, 2018: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29679282/burosumab-first-global-approval
#8
Yvette N Lamb
Burosumab (Crysvita® ; Kyowa Hakko Kirin Co., Ltd. and Ultragenyx Pharmaceutical Inc.) is a fully human monoclonal antibody directed at fibroblast growth factor 23 (FGF23). Excessive FGF23 production has been implicated in various hypophosphataemic diseases. Inhibition of FGF23 by burosumab results in increased renal phosphate reabsorption and increased serum levels of phosphorus and active vitamin D. In February 2018, the EMA granted subcutaneous burosumab conditional marketing authorization for the treatment of X-linked hypophosphataemia (XLH) with radiographic evidence of bone disease in children one year of age and older and adolescents with growing skeletons...
April 20, 2018: Drugs
https://www.readbyqxmd.com/read/29679179/isolation-and-characterization-of-phosphofungi-and-screening-of-their-plant-growth-promoting-activities
#9
Xiaohui Wang, Changdong Wang, Junkang Sui, Zhaoyang Liu, Qian Li, Chao Ji, Xin Song, Yurong Hu, Changqian Wang, Rongbo Sa, Jiamiao Zhang, Jianfeng Du, Xunli Liu
Rhizospheric microorganisms can increase phosphorus availability in the soil. In this regard, the ability of phosphofungi to dissolve insoluble phosphorus compounds is greater than that of phosphate-solubilizing bacteria. The aim of the current study was to identify efficient phosphofungi that could be developed as commercial microbial agents. Among several phosphate-solubilizing fungal isolates screened, strain CS-1 showed the highest phosphorus-solubilization ability. Based on phylogenetic analysis of the internal transcribed spacer region sequence, it was identified as Aspergillus niger...
April 20, 2018: AMB Express
https://www.readbyqxmd.com/read/29679163/paenibacillus-panacihumi-sp-nov-a-potential-plant-growth-promoting-bacterium-isolated-from-ginseng-cultivated-soil
#10
Chun-Gon Kim, Jong-Pyo Kang, Yue Huo, Mohan Chokkalingam, Yeon-Ju Kim, Dong-Hyun Kim, Deok-Chun Yang
A novel bacterium, designated DCY114T , was isolated from ginseng-cultivated soil in Gochang-gun, Republic of Korea. This isolate was assigned to the genus Paenibacillus and is closely related to Paenibacillus amylolyticus NRRL NRS-290T (98.3%), P. dongdonensis KUDC0114T (98.0%), P. tylopili MK2T (97.9%), P. tundrae A10bT (97.8%), and P. xylanexedens B22aT (97.5%) based on 16S rRNA gene sequence analysis. Strain DCY114T is a Gram-reaction positive, catalase and oxidase positive, facultatively aerobic rod that is motile by peritrichous flagella...
April 20, 2018: Archives of Microbiology
https://www.readbyqxmd.com/read/29679120/regulation-of-hydrolytic-enzyme-activity-in-aquatic-microbial-communities-hosted-by-carnivorous-pitcher-plants
#11
Erica B Young, Jessica Sielicki, Jacob J Grothjan
Carnivorous pitcher plants Sarracenia purpurea host diverse eukaryotic and bacterial communities which aid in insect prey digestion, but little is known about the functional processes mediated by the microbial communities. This study aimed to connect pitcher community diversity with functional nutrient transformation processes, identifying bacterial taxa, and measuring regulation of hydrolytic enzyme activity in response to prey and alternative nutrient sources. Genetic analysis identified diverse bacterial taxa known to produce hydrolytic enzyme activities...
April 20, 2018: Microbial Ecology
https://www.readbyqxmd.com/read/29678919/investigating-the-central-metabolism-of-clostridium-thermosuccinogenes
#12
Jeroen Girwar Koendjbiharie, Kilian Wiersma, Richard van Kranenburg
Clostridium thermosuccinogenes is a thermophilic anaerobic bacterium able to convert various carbohydrates to succinate and acetate as main fermentation products. Genomes of the four publicly available strains have been sequenced and the genome of the type-strain has been closed. The annotated genomes were used to reconstruct the central metabolism, and enzyme assays were used to validate annotations and to determine co-factor specificity. Genes for the pathways to all fermentation products were identified, as well as for the Embden-Meyerhof-Parnas pathway, and the pentose phosphate pathway...
April 20, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29678789/molecular-modeling-and-docking-of-recombinant-hap-phytase-of-a-thermophilic-mould-sporotrichum-thermophile-reveals-insights-into-molecular-catalysis-and-biochemical-properties
#13
Bijender Singh, K K Sharma, Amit Kumari, Anil Kumar, S K Gakhar
A thermostable and protease-resistant HAP-phytase of Sporotrichum thermophile was over-expressed in Pichia pastoris ×33. Purified recombinant phytase displayed all its biochemical properties similar to wild type. Molecular modeling and docking of phytase with various substrates showed differential binding patterns with GoldScore values ranging from 40.61 to 79.78. Docking with different substrates revealed strong binding affinity with ATP and phytic acid, while the lowest with AMP and phosphoenol pyruvate...
April 17, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29678765/characterization-of-human-triosephosphate-isomerase-s-nitrosylation
#14
Jorge Miguel Romero, María Elena Carrizo, Juan Agustín Curtino
Triosephosphate isomerase (TPI), the glycolytic enzyme that catalyzes the isomerization of dihydroxyacetone phosphate (DHAP) to glyceraldehyde-3-phosphate (G3P), has been frequently identified as a target of S-nitrosylation by proteomic studies. However, the effect of S-nitrosylation on its activity has only been explored in plants and algae. Here, we describe the in vitro S-nitrosylation of human TPI (hTPI), and the effect of the modification on its enzymatic parameters. NO-incorporation into the enzyme cysteine residues occurred by a time-dependent S-transnitrosylation from both, S-nitrosocysteine (CySNO) and S-nitrosoglutathione (GSNO), with CySNO being the more efficient NO-donor...
April 17, 2018: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/29678574/a-novel-1-acyl-sn-glycerol-3-phosphate-o-acyltransferase-homolog-for-the-synthesis-of-membrane-phospholipids-with-a-branched-chain-fatty-acyl-group-in-shewanella-livingstonensis-ac10
#15
Yosuke Toyotake, Hyun-Nam Cho, Jun Kawamoto, Tatsuo Kurihara
1-Acyl-sn-glycerol-3-phosphate O-acyltransferase (PlsC) plays an essential role in the formation of phosphatidic acid, a precursor of various membrane phospholipids (PLs), in bacteria by catalyzing the introduction of an acyl group into the sn-2 position of lysophosphatidic acid. Various bacteria produce more than one PlsC. However, the physiological significance of the occurrence of multiple PlsCs is poorly understood. A psychrotrophic bacterium, Shewanella livingstonensis Ac10, which produces eicosapentaenoic acid at low temperatures, has five putative PlsCs (PlsC1-5)...
April 17, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29678073/a-decision-support-tool-for-healthcare-professionals-in-the-management-of-hyperphosphatemia-in-hemodialysis
#16
Sisse H Laursen, Amanda A Buus, Lisbet Brandi, Peter Vestergaard, Ole K Hejlesen
Hyperphosphatemia is known as one of the more challenging conditions in end-stage renal disease patients. This study set out to present and evaluate a healthcare-oriented decision support tool in the management of hyperphosphatemia within hemodialysis therapy. A prototype module was designed to fit into the interface of a modern dialysis machine (Fresenius 5008). The prototype included three main functions: 1) immediate bedside blood sample access, 2) a model based prognosis tool with estimates of P-phosphate and 3) an overview of the user's phosphate related activities during dialysis treatments...
2018: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/29677833/convenient-colorimetric-detection-of-cholesterol-using-multi-enzyme-co-incorporated-organic-inorganic-hybrid-nanoflowers
#17
Minsoo Chung, Yoon Jung Jang, Moon Il Kim
We have developed a microscale well-plate colorimetric assay for the multiplexed detection of cholesterol in clinical human blood samples. This system utilizes a novel multi-enzyme incorporated organic-inorganic hybrid nanoflower which entrap both cholesterol oxidase (ChOx) and horseradish peroxidase (HRP) as the organic components with copper phosphate as the inorganic component to detect cholesterol levels in blood samples. The hybrid nanoflowers, synthesized via an extremely simple but rapid sonication-mediated method within 5 min at room temperature, enable an efficient one-pot two-enzyme cascade reaction...
September 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29677614/aggregation-and-charging-of-sulfate-and-amidine-latex-particles-in-the-presence-of-oxyanions
#18
Takuya Sugimoto, Tianchi Cao, Istvan Szilagyi, Michal Borkovec, Gregor Trefalt
Electrophoretic mobility and time resolved light scattering are used to measure the effect on charging and aggregation of amidine and sulfate latex particles of different oxyanions namely, phosphate, arsenate, sulfate, and selenate. In the case of negatively charged sulfate latex particles oxyanions represent the coions, while they represent counterions in the case of the positively charged amidine latex. Repulsive interaction between the sulfate latex surface and the coions results in weak ion specific effects on the charging and aggregation...
April 10, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29677542/innovative-perception-on-using-tiron-to-modulate-the-hepatotoxicity-induced-by-titanium-dioxide-nanoparticles-in-male-rats
#19
Ashraf Morgan, Marwa A Ibrahim, Mona K Galal, Hanan A Ogaly, Reham M Abd-Elsalam
The extensive application of titanium dioxide nanoparticles (TiO2 NPs) in the food industry arouses a debate regarding the probable risk associated with their use. Several recent studies reported that most nanoparticles (NPs) have adverse actions on the liver. The objective of this study is to examine whether Tiron plays a modulatory role against apoptotic damage induced by TiO2 NPs in rat livers. Forty rats were randomly divided into 4 groups; a control group received phosphate-buffered saline, an intoxicated group received 100 mg/kg/day of TiO2 NPs for 60 days, a treated group received 470 mg/kg/day of Tiron for the last 14 days after TiO2 NPs administration, and a Tiron group received Tiron only as previously mentioned...
April 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29677540/ameliorating-effect-of-berbamine-on-hepatic-key-enzymes-of-carbohydrate-metabolism-in-high-fat-diet-and-streptozotocin-induced-type-2-diabetic-rats
#20
Sankaranarayanan Chandrasekaran, Nishanthi Ramajayam, Pugalendi Pachaiappan
BACKGROUND: Aberrations in the activities of key enzymes of carbohydrate metabolism is well documented in diabetes mellitus. Previous studies have shown that active ingredients in the extracts of Berberis aristata exhibits diverse pharmacological activities in animal models. OBJECTIVE: The present study was undertaken to investigate whether berbamine (BBM), an alkaloid from the roots of Berberis aristata can ameliorate the altered activities of carbohydrate metabolic enzymes in high fat diet (HFD)/streptozotocin (STZ) induced diabetic rats...
April 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
keyword
keyword
62170
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"