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Katerine L Henriksen et al.
Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology, 13(2), 93-102 (2003-03-22)
Pancreatic acini release ATP, which can stimulate HCO3--secreting ducts that express purinergic receptors from both P2X and P2Y families. The aim of this study was to investigate whether extracellular ATP affects HCO3- or H+ transport across the plasma membrane of
M Condorelli et al.
British journal of pharmacology, 60(3), 379-384 (1977-07-01)
1 The effects of guanethidine pretreatment on the release of [14C]-histamine during the reflex vasodilatation induced in the atropinized gracilis muscle by rapid intravenous administration of noradrenaline, were studied in dogs. 2 After guanethidine treatment the haemodynamic reflex response was
Adsorption kinetics and thermodynamics of an anionic dye onto sepiolite
Alkan M, et al.
Microporous and Mesoporous Materials : The Official Journal of the International Zeolite Association, 101(3), 388-396 (2007)
Hongfei Cheng et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 83(1), 518-524 (2011-10-01)
Infrared transmission and emission spectroscopy were used to analyze the difference in structure and thermal behavior of two Chinese palygorskites. The position of the main bands identified in the infrared spectra of the palygorskites studied is similar for these two
Haidong Tan et al.
Sheng wu gong cheng xue bao = Chinese journal of biotechnology, 26(10), 1379-1384 (2011-01-12)
Sepiolite--an inexpensive, resourceful, fibrous yet inoffensive mineral--made DNA transformation rapid, simple and efficient but the mechanism for DNA transformation was still unclear. Through RNA competition test, we proposed the different transforming mechanisms from the previous report. Meanwhile, we optimized the
E van der Hoeven-Hangoor et al.
Poultry science, 93(7), 1782-1792 (2014-05-09)
Litter moisture contents vary greatly between and within practical poultry barns. The current experiment was designed to measure the effects of 8 different dietary characteristics on litter and excreta moisture content. Additionally, free water content and water activity of the
Xuening Fei et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 66(12), 2539-2545 (2012-10-31)
Sepiolite, a natural nano-material, was chosen as a carrier to prepare supported nanoscale zero-valent iron (nZVI). The effects of preparation conditions, including mass ratio of nZVI and activated sepiolite and preparation pH value, on properties of the supported nZVI were
W G Xu et al.
Journal of colloid and interface science, 351(1), 210-216 (2010-08-17)
Quantum-sized ZnO particles supported on sepiolite (ZnO/sepiolite) was prepared by sol-gel method using the sepiolite of acid activation as carrier, zinc acetate dihydrate (Zn(CH(3)COO)(2).2H(2)O) and lithium hydroxide monohydrate (LiOH.H(2)O) as raw material. The size of ZnO which supported on fibrous
Xuefeng Liang et al.
Chemosphere, 90(2), 548-555 (2012-09-22)
Mercapto functionalized sepiolite (MSEP) was prepared by nanotexturization method and applied for the sorption of Pb(2+) from aqueous solution. These samples before and after sorption were characterized through XRD, FT-IR, (29)Si and (13)C CP/MAS NMR and XPS. The sorption behaviors
Cristina Quintelas et al.
Environmental science and pollution research international, 20(3), 1374-1383 (2012-07-04)
The performance of two bacteria, Arthrobacter viscosus and Streptococcus equisimilis, and the effect of the interaction of these bacteria with four different clays on the retention of diethylketone were investigated in batch experiments. The uptake, the removal percentages and the
R Portela et al.
Environmental science & technology, 46(9), 5040-5048 (2012-03-27)
The photocatalytic efficiency of TiO(2)-SiMgO(x) plates to oxidize H(2)S was first evaluated in a flat laboratory reactor with 50 mL min(-1) synthetic air containing 100 ppm H(2)S in the presence of humidity. The use of the photocatalyst-adsorbent hybrid material enhanced
Francisco M Fernandes et al.
Physical chemistry chemical physics : PCCP, 13(11), 4901-4910 (2010-11-26)
This work describes a systematic study of gelatin-sepiolite structural bionanocomposites to show how the renaturation level of the biopolymer is highly dependent on the type of mineral particle used. The aim of the work is to prove that chemical interactions
Ayben Kilislioglu et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 68(10), 2016-2019 (2010-05-18)
In this work adsorption of uranium on natural, heat and acid treated sepiolite was studied. For acid treatment HCl and H(2)SO(4) were used separately. Heat and acid treatment caused some changes in sepiolite such as surface area, micropore volume (cm(3)/g)
Bernd Wicklein et al.
ACS applied materials & interfaces, 3(11), 4339-4348 (2011-10-06)
Biomimetic interfaces based on phosphatidylcholine (PC) assembled to the natural silicate sepiolite were prepared for the stable immobilization of the urease and cholesterol oxidase enzymes. This is an important issue in practical advanced applications such as biocatalysis or biosensing. The
Yi Liu et al.
The journal of physical chemistry. B, 116(12), 3671-3682 (2012-03-07)
We have investigated the effect of mesoscopic fillers on the polymerization induced viscoelastic phase separation of thermoplastic modified thermosets at near- and off-critical concentrations using optical microscopy, time-resolved light scattering, dynamic mechanical analyses, and rheological instrument. Mesoscopic fillers including sepiolite
Sepiolite.
IARC monographs on the evaluation of the carcinogenic risk of chemicals to humans, 42, 175-183 (1987-01-01)
Chaoying Wan et al.
Nanoscale, 3(2), 693-700 (2010-11-26)
Natural fibrous sepiolite with a high surface area, negative surface charge and porous structure is promising for hydroxyapatite (HAp) mineralization since the clay is naturally abundant and biocompatible. In this paper, the use of fibrous sepiolite as a template for
Hongbin Yin et al.
Journal of hazardous materials, 198, 362-369 (2011-11-18)
Developing an easily handled and cost-effective phosphate absorbent is crucial for the control of water eutrophication. In this study, a naturally occurring, calcium-rich sepiolite (NOCS) was evaluated for its feasibility as a phosphate absorbent candidate. Batch studies showed that phosphate
Zhiyong Dong et al.
Journal of hazardous materials, 196, 123-130 (2011-09-20)
In this study, a novel suspended ceramic carrier was prepared, which has high strength, optimum density (close to water), and high porosity. Two different carriers, unmodified and sepiolite-modified suspended ceramic carriers were used to feed two moving bed biofilm reactors
Yuebing Sun et al.
Environmental science and pollution research international, 20(5), 3290-3299 (2012-10-25)
A pot trial was conducted to assess the efficiency of sepiolite-induced cadmium (Cd) immobilization in ultisoils. Under Cd concentrations of 1.25, 2.5, and 5 mg kg(-1), the available Cd in the soil after the application of 1-10 % sepiolite decreased
Denis L Guerra et al.
Journal of colloid and interface science, 346(1), 178-187 (2010-03-24)
The original sepiolite clay mineral has been collected from Amazon region, Brazil. The compound 2-aminomethylpyridine (AMP) was anchored onto Amazon sepiolite surface by heterogeneous route. The natural (SPT) and modified (SPT(AMP)) sepiolite samples were characterized by elemental analysis, SEM, N(2)
Dae-Hwan Park et al.
Journal of nanoscience and nanotechnology, 11(1), 382-385 (2011-03-31)
Sepiocite, a synthetic sepiolite-like nanoclay, was derived from hydrotalcite-like Mg2Al(CO3)0.5-layered double hydroxide (LDH) under phase transformation at 270 +/- 3 degrees C. The crystal structure of sepiocite is conceptually very similar to that of sepiolite derived from montmorillonite clay because
Thermal and morphological characterisation of organically modified sepiolite
Tartaglione G, et al.
Microporous and Mesoporous Materials : The Official Journal of the International Zeolite Association, 107(1-2), 161-168 (2008)
Qingwei Zhu et al.
Journal of hazardous materials, 217-218, 11-18 (2012-04-03)
Cuprous oxide is firstly created on acidized sepiolite (AS) by a simple deposition method for photocatalytic degradation of the red water produced from 2,4,6-trinitrotoluene (TNT) manufacturing. X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), ultraviolet-visible diffuse reflection absorptive spectroscopy (UV-vis/DRS)
Ying-Ming Xu et al.
Huan jing ke xue= Huanjing kexue, 31(6), 1560-1567 (2010-08-12)
The effects of acid and heating treatment on the structure of sepiolite and its adsorption capacities for Pb2+ and Cd2+ were investigated using X-ray powder diffraction, infrared spectroscopy, surface area analyses and batch sorption experiments in this paper. The results
Experimental and Atomic Modeling of the Adsorption of Acid Azo Dye 57 to Sepiolite
Karatacs D, et al.
Clays and Clay Minerals, 66(5), 426-437 (2018)
Sevim Akyuz et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 75(4), 1304-1307 (2010-02-06)
The adsorption of isoniazid (INH) on sepiolite, loughlinite (natural Na-sepiolite) and palygorskite from Anatolia was investigated by FT-IR spectroscopy. Experimental results indicated that INH molecules, adsorbed on sepiolite-palygorskite group of clays, are coordinated to surface hydroxyls by H-bonding interaction through
Zeng-ming He et al.
Ying yong sheng tai xue bao = The journal of applied ecology, 21(10), 2659-2665 (2011-02-19)
Sequential extraction method was employed to study the heavy metals concentration and form change during aerobic high temperature compositing of pig manure, and the effects of amendment with different proportion of passivators on the concentration and form change. During the
Yuebing Sun et al.
Journal of environmental sciences (China), 24(10), 1799-1805 (2012-01-01)
The effects of immobilization remediation of Cd-contaminated soils using sepiolite on soil pH, enzyme activities and microbial communities, TCLP-Cd (toxicity characteristic leaching procedure-Cd) concentration, and spinach (Spinacia oleracea) growth and Cd uptake and accumulation were investigated. Results showed that the
A Castro-González et al.
Water environment research : a research publication of the Water Environment Federation, 83(3), 274-288 (2011-04-07)
Simazine degradation by mixed microbial cultures was carried out in biological reactors with tepojal and sepiolite beads. The inoculum used is derived from a biotechnological product applied to plant roots, which contains mixed microbial cultures. This inoculum presented a stable
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