Effects of magnesium hydroxide morphology on Pb(ii) removal from aqueous solutions.

In this study, magnesium hydroxide (MH) particles with distinct morphologies were obtained through direct precipitation and subsequent hydrothermal treatment with various magnesium salts. The synthesized products were systematically characterized and utilized for the removal of Pb(ii) ions from aqueous solutions. The adsorption process of Pb(ii) by two different MH structures, namely flower globular magnesium hydroxide (FGMH) and hexagonal plate magnesium hydroxide (HPMH), adhered to the Langmuir isotherm and pseudo-second-order model.

Facile fabrication of FeO@Mg(OH) magnetic composites and their application in Cu(ii) ion removal.

In this study, we fabricated magnetic FeO@Mg(OH) composites through the seed deposition technique to achieve Cu(ii) ion removal from aqueous solutions. As indicated by the characterization results, three-dimensional flower-like spheres composed of external Mg(OH) were formed, with nano-FeO particles uniformly embedded in the "flower petals" of the spheres. The efficacy of FeO@Mg(OH)-3 in Cu(ii) ion removal was examined through batch experiments.

Synthesis of Zinc Oxide Doped Magnesium Hydrate and Its Effect on the Flame Retardant and Mechanical Properties of Polypropylene.

In this work, an effective flame retardant consisting of nanoscale zinc oxide doped on the surface of hexagonal lamellar magnesium hydrate (ZO@MH) has been successfully synthesized via a hydrothermal process. Approximately 3-methacryloxypropyltrimethoxysilane (KH-570) is chosen as a modifier of ZO@MH for the purpose of enhancing the interfacial interaction between ZO@MH and the polypropylene (PP) matrix and reducing the agglomeration of ZO@MH. Afterwards, ZO@MH and KH-570 modified ZO@MH (KZO@MH) filled PP (PP/ZO@MH and PP/KZO@MH) composites are respectively prepared via the melt blending method.

Efficient adsorption and degradation of dyes from water using magnetic covalent organic frameworks with a pyridinic structure.

Covalent organic frameworks (COFs) have promising applications in environmental remediation owing to their precise directional synthesis and superior adsorption ability. However, magnetic COFs with pyridinic N have not been studied as bifunctional materials for the adsorption and catalytic degradation of dyes. Therefore, in this study, a magnetic COF with a pyridinic structure (BiPy-MCOF) was successfully synthesized using a solvothermal method, which exhibited higher methyl orange (MO) removal than other common adsorbents.

Organic-Inorganic Modification of Magnesium Borate Rod by Layered Double Hydroxide and 3-Aminopropyltriethoxysilane and Its Effect on the Properties of Epoxy Resin.

To alleviate the safety hazards associated with the use of epoxy resin (EP), a multifunctional filler was designed. This study firstly combines the superior mechanical properties of magnesium borate rods (MBR) with the excellent smoke suppression and flame-retardant characteristics of layered double hydroxide (LDH). HPO intercalated LDH (LDHP) was coated on the MBR surface to obtain inorganic composite particles MBR@LDHP.

Controllable fabrication of a hybrid containing dodecyl dihydrogen phosphate modified magnesium borate whisker/hydrated alumina for enhancing the fire safety and mechanical properties of epoxy resin.

A composite particle with hydrated alumina deposited on the surface of magnesium borate whisker (MBW@HA) was prepared following a chemical liquid deposition method. Subsequently, dodecyl dihydrogen phosphate (DDP) was grafted onto the surface of the composite particles to synthesize an inorganic-organic hybrid (MBW@HA-DDP). The structure, morphology, and composition of MBW@HA-DDP were well characterized.

Rapid Removal of Perfluoroalkanesulfonates from Water by β-Cyclodextrin Covalent Organic Frameworks.

Adsorption is an effective method for the removal of perfluoroalkanesulfonates (PFSAs) from water, and the limitation of the adsorption rate of existing adsorbents motivates efforts to develop novel adsorbents. Here, we developed four β-cyclodextrin covalent organic frameworks (β-CD-COFs) with a rapid removal rate and high adsorption capacity for four PFSAs in water including perfluorooctanesulfonate (PFOS), perfluorobutanesulfonate (PFBS), perfluorohexanesulfonate (PFHxS), and chlorinated polyfluorinated ether sulfonate (F53B). All β-CD-COFs exhibited extremely fast adsorption (adsorption equilibrium <2 min) for PFSAs with high adsorption capacities (0.

Granular reduced graphene oxide/FeO hydrogel for efficient adsorption and catalytic oxidation of p-perfluorous nonenoxybenzene sulfonate.

The catalytic performance of FeO/reduced graphene oxide (FeO/rGO) nanocomposite makes it attractive for the removal of emerging pollutants from water, but the combination of its efficient adsorption and degradation of per- and polyfluoroalkyl substances has not been studied. Here we report the optimal granular FeO/rGO with high thermal and acid resistance stability through controlling its self-assembly for the adsorption and degradation of sodium p-perfluorous nonenoxybenzene sulfonate (OBS) from water. The maximum adsorption capacity for OBS was calculated to be 362.

Adsorption behaviour and mechanism of the PFOS substitute OBS (sodium -perfluorous nonenoxybenzene sulfonate) on activated carbon.

Perfluorooctane sulfonate (PFOS) was listed as a persistent organic pollutant by the Stockholm Convention. As a typical alternative to PFOS, sodium -perfluorous nonenoxybenzene sulfonate (OBS) has recently been detected in the aquatic environment which has caused great concern. For the first time, the adsorption behaviour and mechanism of OBS on activated carbon (AC) with different physical and chemical properties were investigated.

[Pharmacological research of wild and cultivated Atractylodes lancea].

Objective: To explore the differences of the main pharmacological action in wild and cultivated Atractylodes lancea.

Method: Study the effect of the 70% ethanol extracts from the wild and the culticated A. lancea on the mice with gastriculcer induced by absolute ethyl alcohol or HCl.

[Effects of alternate partial root-zone subsurface drip irrigation on potato yield and water use efficiency].

Field experiment was conducted to investigate the effects of alternate partial root-zone subsurface drip irrigation (APRSDI) on the physiological responses, yield, and water use efficiency of potato. Compared with conventional drip irrigation (CDI), APRSDI had less negative effects on the potato leaf photosynthesis rate (P(n)), but decreased the transpiration rate and stomatal conductance significantly. The slightly higher P(n) under CDI was at the expense of consuming more water.

[Advances in chemistry, molecular biology and pharmacological of Cangzhu].

We described chemical composition in Cangzhu in recent years, volatile oil is the important chemical composition, The beta-eudesmol, hinesol are active ingredient in volatile oil and there are 38 kind of glycosides. At the same time, we overview the applying of RAPD technology in atractylodes lancea. The results is that there are correlation in chemical composition, genetic differentiation and geographical distribution, there is some truth in bounded by a territorial division of the north-south Cangzhu, and genetic differentiation has been happened in atractylodes lancea to adapting the environment.

[Effects of infrasound exposure on several enzymes activities of spleen and liver in rats].

Aim: To investigate the changes of several enzymes activities in the spleen and liver of rats after exposure to 8 Hz 130 dB infrasound for different time.

Methods: Thirty-five male SD rats were randomly divided into five groups. Rats of group 1 served as control, rats from group 2 to 5 were exposed to 8 Hz 130 dB infrasound, 2 hours per day, for 1 wk, 2 wk, 3 wk, and 4 wk, respectively.