Cobalt based bimetallic catalysts for heterogeneous electro-Fenton adapting to vary pH for HEDP and MIT degradation.

Most of the materials studied as catalysts in the electro-Fenton system are variants of iron oxide or iron hydroxide. However, iron-based catalysts often exhibit weak catalytic capabilities under neutral and alkaline conditions. In this work, we synthesized three cobalt based bimetallic oxides, CoCuOx, CoAlOx, and CoNiOx, using hydrothermal method and evaluated them as catalysts for the heterogeneous electro-Fenton system to remove 1-hydroxyethylidene-1,1-diphosphonic acid (HEDP) and Methylisothiazolinone [2-methyl-4-isothiazolin-3-one] (MIT).

CoAl-LDHs@FeO decorated with cobalt nanowires and cobalt nanoparticles for a heterogeneous electro-Fenton process to degrade 1-hydroxyethane-1,1-diphosphonic acid and glyphosate.

Heterogeneous electro-Fenton is one of the promising technologies to degrade refractory organic phosphonates. In this work, CoNWs@CoAl-LDHs/FeO and CoNPs@CoAl-LDHs/FeO were successfully synthesized by a co-precipitation method and applied to degrade 1-hydroxyethane-1,1-diphosphonic acid (HEDP) and glyphosate (PMG) an electro-Fenton process. The results indicated that the removal rate of HEDP (100 mg L) and PMG (100 mg L) by CoNWs@CoAl-LDHs/FeO increased from 62.

Cu(II) and Cd(II) removal from aqueous solution with LDH@GO-NH and LDH@GO-SH: kinetics and probable mechanism.

Two novel adsorbents (LDH@GO-NH and LDH@GO-SH) were successfully synthesized by grafting thiol- or amino-functionalized GO onto LDH and their adsorption capacities for heavy metal ions (Cu(II) and Cd(II)) were significantly enhanced. Characterization experiments illustrated that the thiol group (-SH) or amino group (-NH) was grafted onto LDH@GO-NH or LDH@GO-SH. Adsorption isotherms were satisfactorily fitted by both Langmuir and Freundlich models.

Correction to 'Organic matter removal from mother liquor of gas field wastewater by electro-Fenton process with the addition of HO: effect of initial pH'.

[This corrects the article DOI: 10.1098/rsos.191304.

Organic matter removal from mother liquor of gas field wastewater by electro-Fenton process with the addition of HO: effect of initial pH.

The electro-Fenton (EF) process was applied to treat mother liquor of gas field wastewater (ML-GFW). The Fe-Fe electrodes were used and HO was added to the EF system. Effect of initial pH on chemical oxygen demand (COD) removal efficiency, specific electrical energy consumption (SEEC), specific electrode plate consumption (SEPC) and organic matter removal mechanism was investigated.

Cd(ii) removal by Fe(ii) surface chemically modified layered double hydroxide-graphene oxide: performance and mechanism.

Cd(ii) adsorption onto Fe(ii) modified Layered double hydroxide-graphene oxide (LDH-GO@Fe(ii)) was investigated using batch experiments. With the modification of Fe(ii), LDH-GO maintained its structure, while Fe(ii) species formed non-crystalline iron oxide clusters on the surface of the LDH/GO. A kinetics study indicated that adsorption obeyed a pseudo-second-order rate law.

Serum 14-3-3η Could Improve the Diagnostic Rate of Rheumatoid Arthritis and Correlates to Disease Activity.

Objectives: Serum 14-3-3η is a novel joint-derived proinflammatory mediator associated with rheumatoid arthritis (RA). This study aimed to evaluate the diagnostic capacity of serum 14-3-3η and its correlation with clinical variables in patients with RA.

Methods: A total of 94 patients with RA and 80 age- and sex-matched controls, including 40 healthy subjects, were included.

Shortcut Biological Nitrogen Removal from Coal Gasification Wastewater in Three-Stage MBBRs.

A lab-scale aerobic-anoxic-aerobic (A-A-A) MBBR system was tested for the removal of COD, View Article and Find Full Text PDF

Biological treatment of fracturing waste liquid in a membrane-coupled internal circulation aerobic biological fluidized bed with the assistance of coagulation.

Fracturing waste liquid (FWL) is generated during shale gas extraction and contains high concentrations of suspended solid, salinity and organic compounds, which needs proper management to prevent excessive environmental disruption. Biological treatment of the FWL was attempted in this study using a membrane-coupled internal circulation aerobic biological fluidized bed (MC-ICABFB) after being treated by coagulation. The results showed that poly aluminum chloride (PAC) of 30 g/L, polyacrylamide (PAM) of 20 mg/L and pH of 7.

Nitrite accumulation performance of aerobic MBBR treating Lurgi coal gasification waste water by adjusting pollutant load and DO concentration.

An aerobic moving bed biofilm reactor (MBBR) was adopted to treat Lurgi coal gasification waste water (LCGW) in about 10 months. The pollutant load and dissolve oxygen (DO) concentration were adjusted by trying to maximize the accumulation of [Formula: see text] in the MBBR for LCGW treatment. The highest [Formula: see text] accumulation proportion [Formula: see text] was 73.

[Establishment of BA-ELISA method for detecting CEA in human sera].

Aim: To establish a sensitive biotin-avidin enzyme linked immunosorbent assay (BA-ELISA) method for detecting carcinoembryonic antigen (CEA) in serum.

Methods: CEA which had been purified by affinity chromatography was used to immunize the rabbits to produce polyclonal antibodies. Then the antibodies were connected with biotin and horseradish peroxidase (HRP).

[Purification and identification of pregnancy associated plasma protein A].

Aim: To purify pregnancy associated plasma protein A (PAPP-A) from the pregnancy serum using the methods of G200 gel filtration, reverse affinity chromatography and DEAE ion exchange.

Methods: The male sera were purified by G200 gel filtration and injected into rabbits to obtain rabbit-anti-human antibodies. The antibodies were linked to CNBr-activated G25 gel to make the reverse affinity chromatography.

Removal of phenols, thiocyanate and ammonium from coal gasification wastewater using moving bed biofilm reactor.

A laboratory-scale moving bed biofilm reactor (MBBR) with a volume of 4 L was used to study the biodegradation of coal gasification wastewater. Maximum removal efficiencies of 81%, 89%, 94% and 93% were obtained for COD, phenols, SCN(-) and NH(4)(+)-N, respectively. NO(2)(-)-N accumulation induced increase of effluent COD concentration when the hydraulic residence time (HRT) decreased.

A new pentapeptide compound, PLNPK, ameliorates anti-glomerular basement membrane nephritis in Wistar rats.

PLNPK is a pentapeptide compound extracted from pig spleen with a Pro-Leu-Asn-Pro-Lys molecular structure. The spleen is the biggest immune organ in the body, in which there are lots of immunocytes and immune molecules. Our pilot study showed that PLNPK could suppress the transformation and proliferation of T lymphocytes and the production of antibodies in mice.

[The suppression of the experimental autoimmune uveoretinitis with retinal S antigens by intranasal tolerance induction].

Objective: The aim was to investigate the suppression of rat experimental autoimmune uveoretinitis( EAU) by induced immune tolerance via intranasal administration of retinal S antigens.

Methods: The bovine S antigen was purified from bovine retina by salt precipitation and ionic exchange chromatography, the female Lewis rats were used to induce immune tolerance by intranasal administration with purified bovine retinal S antigens and then the rats were used to produce the EAU model by retinal S antigens challenge. The rate of EAU occurrence, the clinical and histological scores, the skin delayed-type hypersensitivity and lymphocyte proliferation stimulated by retinal S antigen and concanavalin A were recorded.

[Tyroservatide inhibits the growth of human hepatocarcinoma in nude mice].

Objective: To investigate the inhibitory effects of tyroservatide and its amino acid mixture on growth of hepatocarcinoma.

Methods: Hepatocarcinoma in nude mice was induced by implantation of cells of human hepatocarcinoma cell line BEL-7402. The inhibition of hepatocarcinoma growth was determined by calculating the tumor volume and measuring the tumor weight.

Tripeptide tyroserleutide enhances the antitumor effects of macrophages and stimulates macrophage secretion of IL-1beta, TNF-alpha, and NO in vitro.

Tyroserleutide (YSL) is a type of active, low molecular weight polypeptide, comprised of three amino acids, which has antitumor effects. YSL has various advantages over the other bioactive peptides such as its low molecular weight, simple construction, nonimmunogenicity, specificity, few side effects, and ease of synthesis. However, the biological activities contributing to it's antitumor effects are not yet known.