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Showing 9985 to 9996 of 30036 entries
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One-step green synthesis of composition-tunable Pt-Cu alloy nanowire networks with high catalytic activity for 4-nitrophenol reduction.

Dalton transactions (Cambridge, England : 2003)

Zhang Y, Xia Y, Yan S, Han J, Chen Y, Zhai W, Gao Z.
PMID: 30499571
Dalton Trans. 2018 Dec 11;47(48):17461-17468. doi: 10.1039/c8dt03810d.

Controlling the structure, morphology, and composition of noble metals is of great significance to improve the catalytic activity and stability of catalysts. Herein, we have successfully synthesized self-interconnecting Pt-Cu alloy nanowire networks (NWNs) with controllable compositions via the co-reduction...

Association between metal hypersensitivity and implant failure in patients who underwent titanium cranioplasty.

Journal of neurosurgery

Sun Y, Hu Y, Yuan Q, Yu J, Wu X, Du Z, Wu X, Hu J.
PMID: 29979123
J Neurosurg. 2018 Jul 06;131(1):40-46. doi: 10.3171/2018.1.JNS171804.

OBJECTIVE: Digitally designed titanium plates are commonly used for the reconstruction of craniofacial defects, although implant exposure (referred to as failure) is one of the major complications. Metal hypersensitivities have been suggested as possible causes of implant failure of...

Alternating-Magnetic-Field-Mediated Wireless Manipulations of a Liquid Metal for Therapeutic Bioengineering.

iScience

Yu Y, Miyako E.
PMID: 30428316
iScience. 2018 May 25;3:134-148. doi: 10.1016/j.isci.2018.04.012. Epub 2018 Apr 19.

As emergent multifunctional materials, room temperature liquid metals (LMs) display many unique properties. Here we show that applying an external alternating magnetic field (AMF) to an LM induces various physical phenomena, such as exothermic behavior, controlled locomotion, electromagnetic levitation,...

Actinide-transition metal bonding in heterobimetallic uranium- and thorium-molybdenum paddlewheel complexes.

Chemical communications (Cambridge, England)

Ayres AJ, Zegke M, Ostrowski JPA, Tuna F, McInnes EJL, Wooles AJ, Liddle ST.
PMID: 30431026
Chem Commun (Camb). 2018 Nov 29;54(96):13515-13518. doi: 10.1039/c8cc05268a.

We report the preparation of four heterobimetallic uranium- and thorium-molybdenum paddlewheel complexes. The characterisation data suggest the presence of Mo → An σ-interactions in all cases. These complexes represent unprecedented actinide-group 6 metal-metal bonds, where before heterobimetallic uranium-metal bonds...

The Crystalline Sponge Method in Water.

Chemistry (Weinheim an der Bergstrasse, Germany)

de Poel W, Tinnemans P, Duchateau ALL, Honing M, Rutjes FPJT, Vlieg E, de Gelder R.
PMID: 31529519
Chemistry. 2019 Nov 22;25(65):14999-15003. doi: 10.1002/chem.201904174. Epub 2019 Oct 23.

The crystalline sponge method entails the elucidation of the (absolute) structure of molecules from a solution phase using single-crystal X-ray diffraction and eliminates the need for crystals of the target compound. An important limitation for the application of the...

Hyperbranched Liquid Crystals Modified with Sisal Cellulose Fibers for Reinforcement of Epoxy Composites.

Polymers

Luo Q, Li Y, Ren L, Xu X, Lu S.
PMID: 30960949
Polymers (Basel). 2018 Sep 14;10(9). doi: 10.3390/polym10091024.

Well-defined functionalized sisal cellulose fibers (SCFs) grafted on hyperbranched liquid crystals (HLP) were synthesized to improve the compatibility between SCFs and epoxy resin (EP). The influence of SCFs-HLP on the mechanical and thermal properties of SCFs-HLP/EP composites was studied....

Noble copper-silver-gold trimetallic nanobowls: An efficient catalyst.

Journal of colloid and interface science

Haldar KK, Tanwar S, Biswas R, Sen T, Lahtinen J.
PMID: 31442927
J Colloid Interface Sci. 2019 Nov 15;556:140-146. doi: 10.1016/j.jcis.2019.08.047. Epub 2019 Aug 13.

We demonstrated the design of tiny bowls of copper-silver-gold (Cu-Ag-Au) alloy type noble trimetallic nanocrystals with a unique shape. All the structural characterizations confirm the presence of copper (Cu), silver (Ag), and gold (Au) in the trimetallic nanobowls. Finally,...

Trace metal availability in soil horizons amended with various urban waste composts during 17 years - Monitoring and modelling.

The Science of the total environment

Cambier P, Michaud A, Paradelo R, Germain M, Mercier V, Guérin-Lebourg A, Revallier A, Houot S.
PMID: 30463147
Sci Total Environ. 2019 Feb 15;651:2961-2974. doi: 10.1016/j.scitotenv.2018.10.013. Epub 2018 Oct 09.

Recycling organic residues in agrosystems presents several benefits but faces the question of contaminants, among them a few trace metals which eventually accumulate in soils following regular applications of organic waste products (OWP) and represent an ecological risk. The...

Hybrid Metallic Foam with Superior Elasticity, High Electrical Conductivity, and Pressure Sensitivity.

ACS applied materials & interfaces

Peng Y, Liu H, Li T, Zhang J.
PMID: 31927977
ACS Appl Mater Interfaces. 2020 Feb 05;12(5):6489-6495. doi: 10.1021/acsami.9b20652. Epub 2020 Jan 22.

Growing interest has been received in metallic foams for their combined features of metals and porous structures. Coating metals on polymers have been the most prevalent method to fabricate hybrid metallic foams to inherit both the merits of metals...

Accumulation and health risk assessment of heavy metals in tissues of the shrimp and fish species from the Yumurtalik coast of Iskenderun Gulf, Turkey.

Heliyon

Aytekin T, Kargın D, Çoğun HY, Temiz Ö, Varkal HS, Kargın F.
PMID: 31497661
Heliyon. 2019 Aug 28;5(8):e02131. doi: 10.1016/j.heliyon.2019.e02131. eCollection 2019 Aug.

In this study, concentrations of heavy metals were determined in the tissues of fish species (

Geological record of extreme floods and anthropogenic impacts on an industrialised bay: The inner Abra of Bilbao (northern Spain).

The Science of the total environment

Irabien MJ, Cearreta A, Gómez-Arozamena J, Serrano H, Sanchez-Cabeza JA, Ruiz-Fernández AC.
PMID: 31470326
Sci Total Environ. 2019 Dec 15;696:133946. doi: 10.1016/j.scitotenv.2019.133946. Epub 2019 Aug 15.

The Bilbao estuary is one of the most polluted areas on the northern coast of Spain, owing to the direct disposal of urban effluents and wastewaters from mining and industrial activities that has occurred during the last 170 years....

Activated petroleum waste sludge biochar for efficient catalytic ozonation of refinery wastewater.

The Science of the total environment

Chen C, Yan X, Xu Y, Yoza BA, Wang X, Kou Y, Ye H, Wang Q, Li QX.
PMID: 30463118
Sci Total Environ. 2019 Feb 15;651:2631-2640. doi: 10.1016/j.scitotenv.2018.10.131. Epub 2018 Oct 11.

Large quantities of hazardous activated petroleum waste sludge and wastewaters are generated from petroleum refining. The present disposal of the sludge via incineration or landfill may cause secondary pollution as well as additional costs. Treatment of petroleum refinery wastewater...

Showing 9985 to 9996 of 30036 entries