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Showing 9985 to 9996 of 10376 entries
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Redox-Mediated Ambient Electrolytic Nitrogen Reduction for Hydrazine and Ammonia Generation.

Angewandte Chemie (International ed. in English)

Wang X, Yang J, Salla M, Xi S, Yang Y, Li M, Zhang F, Zhu MK, Huang S, Huang S, Zhang YW, Wang Q.
PMID: 34076954
Angew Chem Int Ed Engl. 2021 Aug 16;60(34):18721-18727. doi: 10.1002/anie.202105536. Epub 2021 Jul 16.

This work presents a redox-mediated electrolytic nitrogen reduction reaction (RM-eNRR) using polyoxometalate (POM) as the electron and proton carrier which frees the TiO

Thermophysical Properties of NH.

Nanomaterials (Basel, Switzerland)

Huminic G, Huminic A.
PMID: 34685055
Nanomaterials (Basel). 2021 Oct 04;11(10). doi: 10.3390/nano11102612.

This study proposes the use of new working fluids, refrigerant/IL+ carbon nanomaterials (CNMs), in absorption systems as an alternative to conventional working fluids. In this regard, the thermophysical properties of ammonia and carbon nanomaterials (graphene and single-wall carbon nanotubes)...

Effect of MWCNTs Functionalization on Thermal, Electrical, and Ammonia-Sensing Properties of MWCNTs/PMMA and PHB/MWCNTs/PMMA Thin Films Nanocomposites.

Nanomaterials (Basel, Switzerland)

Qazi RA, Khattak R, Ali Shah L, Ullah R, Khan MS, Sadiq M, Hessien MM, El-Bahy ZM.
PMID: 34685066
Nanomaterials (Basel). 2021 Oct 06;11(10). doi: 10.3390/nano11102625.

Partially biodegradable polymer nanocomposites Poly(3-Hydroxybutyrate) (PHB)/MultiwalledCarbon Nanotubes (MWCNTs)/Poly(Methyl Methacrylate) (PMMA)and non-biodegradable nanocomposites (MWCNTs/PMMA) were synthesized, and their thermal, electrical, and ammonia-sensing properties were compared. MWCNTs were chemically modified to ensure effective dispersion in the polymeric matrix. Pristine MWCNTs (p-MWCNTs)...

Effect of enzymatic pre-treatment on thermophilic composting of shrimp pond sludge to improve ammonia recovery.

Environmental research

Zainul Kamal S, Koyama M, Syukri F, Toda T, Tran QNM, Nakasaki K.
PMID: 34743806
Environ Res. 2022 Mar;204:112299. doi: 10.1016/j.envres.2021.112299. Epub 2021 Oct 29.

In recent years, attempts have been made to develop a thermophilic composting process for organic sludge to produce ammonia gas for high value-added algal production. However, the hydrolysis of non-dissolved organic nitrogen in sludge is a bottleneck for ammonia...

Effects of sludge thermal hydrolysis pretreatment on anaerobic digestion and downstream processes: mechanism, challenges and solutions.

Bioresource technology

Yan W, Xu H, Lu D, Zhou Y.
PMID: 34743996
Bioresour Technol. 2022 Jan;344:126248. doi: 10.1016/j.biortech.2021.126248. Epub 2021 Oct 30.

Thermal hydrolysis pretreatment (THP), as a step prior to sludge anaerobic digestion (AD), is widely applied due to its effectiveness in enhancing organic solids hydrolysis and subsequent biogas productivity. However, THP also induces a series of problems including formation...

Ternary AuPS Alloy Mesoporous Film for Efficient Electroreduction of Nitrogen to Ammonia.

ACS applied materials & interfaces

Dai Z, Tian W, Wang Z, Yu H, Zhang H, Xu Y, Li X, Wang L, Wang H.
PMID: 34107676
ACS Appl Mater Interfaces. 2021 Jun 23;13(24):28057-28063. doi: 10.1021/acsami.1c03619. Epub 2021 Jun 09.

Electrocatalytic nitrogen reduction is a promising strategy to produce ammonia with low energy consumption and an ambient operation condition. Owing to extreme difficulties in nitrogen activation, the design of high-efficiency electrocatalysts is still a great challenge. This work proposes...

Seawater activates l-amino acid oxidase from the serum of the red-spotted grouper Epinephelusakaara.

Fish & shellfish immunology

Kitani Y, Osaka Y, Ishizaki S.
PMID: 34838986
Fish Shellfish Immunol. 2021 Nov 25;120:222-232. doi: 10.1016/j.fsi.2021.11.035. Epub 2021 Nov 25.

l-amino acid oxidases (LAOs) catalyze the oxidative deamination of l-amino acid and generate α-keto acid, ammonia, and hydrogen peroxide as byproducts. LAOs showed the variety of bioactivity by the resulting hydrogen peroxide. The serum of the red-spotted grouper Epinephelus...

Robustness of the partial nitrification-anammox system exposing to triclosan wastewater: Stress relieved by extracellular polymeric substances and resistance genes.

Environmental research

Zhao Y, Gao J, Zhang W, Wang Z, Cui Y, Dai H, Li D, Zhang Y.
PMID: 34954146
Environ Res. 2021 Dec 24;206:112606. doi: 10.1016/j.envres.2021.112606. Epub 2021 Dec 24.

The partial nitrification-anammox (PN/A) process is a promising method for the treatment of municipal wastewater. It is necessary to clarify the responses of PN/A system to antimicrobial agent triclosan (TCS) widely existed in the influent of wastewater treatment plants....

Electrochemical oxidation of molecular nitrogen to nitric acid - towards a molecular level understanding of the challenges.

Chemical science

Anand M, Abraham CS, Nørskov JK.
PMID: 34084445
Chem Sci. 2021 Apr 09;12(18):6442-6448. doi: 10.1039/d1sc00752a.

Nitric acid is manufactured by oxidizing ammonia where the ammonia comes from an energy demanding and non-eco-friendly, Haber-Bosch process. Electrochemical oxidation of N

Facile depositing strategy to fabricate a hetero-affinity hybrid film for improving gas-sensing performance.

Nanotechnology

Ye Z, Yang W, Yuan Z, Zhang K, Tai H.
PMID: 33524964
Nanotechnology. 2021 May 14;32(20):205502. doi: 10.1088/1361-6528/abe1ee.

A novel co-spray method was proposed to fabricate a reduced graphene oxide (rGO)-poly (3-hexylthiophene) (P3HT) hybrid sensing device utilizing immiscible solution for ammonia detection at room temperature. The spectrum and Scanning Electron Microscopy (SEM) results revealed uniformly crimped morphology...

Impacts of combined pollution under gradient increasing and gradient decreasing exposure modes on activated sludge: Microbial communities and antibiotic resistance genes.

Bioresource technology

Gao YX, Li X, Zhao JR, Zhang ZX, Fan XY.
PMID: 34921920
Bioresour Technol. 2021 Dec 16;345:126568. doi: 10.1016/j.biortech.2021.126568. Epub 2021 Dec 16.

The responses of microbial communities and antibiotic resistance genes (ARGs) to azithromycin and copper combined pollution under gradient increasing (from 0.5 to 10 mg/L) and decreasing exposure (from 10 to 0.5 mg/L) modes were investigated. Nitrification was inhibited more...

Microbial nitrification and acidification of lacustrine sediments deduced from the nature of a sedimentary kaolin deposit in central Japan.

Scientific reports

Takagi T, Shin KC, Jige M, Hoshino M, Tsukimura K.
PMID: 33568683
Sci Rep. 2021 Feb 10;11(1):3471. doi: 10.1038/s41598-021-81627-4.

Kaolin deposits in the Seto-Tono district, central Japan, were formed by intense kaolinization of lacustrine arkose sediments deposited in small and shallow inland lakes in the late Miocene. Based on mineralogical and stable isotopic (Fe, C, N) studies of...

Showing 9985 to 9996 of 10376 entries