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Showing 1 to 12 of 75 entries
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Controllable thermal rectification realized in binary phase change composites.

Scientific reports

Chen R, Cui Y, Tian H, Yao R, Liu Z, Shu Y, Li C, Yang Y, Ren T, Zhang G, Zou R.
PMID: 25748640
Sci Rep. 2015 Mar 09;5:8884. doi: 10.1038/srep08884.

Phase transition is a natural phenomenon happened around our daily life, represented by the process from ice to water. While melting and solidifying at a certain temperature, a high heat of fusion is accompanied, classified as the latent heat....

Evaluation of Larvicidal Activity of Essential Oil from Leaves of .

Journal of arthropod-borne diseases

Mohammed SI, Vishwakarma KS, Maheshwari VL.
PMID: 29062847
J Arthropod Borne Dis. 2017 May 27;11(2):226-235. eCollection 2017 Jun.

BACKGROUND: To study the chemical constituents and larvicidal activity of essential oil extracted from the leaves of METHODS: Essential oil was extracted by hydro distillation using clevenger apparatus and was analyzed for chemical constituents by gas chromatography-mass spectrophotometry (GC-MS)....

Reversible rearrangements of Cu(II) cage complexes: solvent and anion influences.

Inorganic chemistry

Bernhardt PV, Font H, Gallego C, Martínez M, Rodríguez C.
PMID: 23116487
Inorg Chem. 2012 Nov 19;51(22):12372-9. doi: 10.1021/ic301696v. Epub 2012 Nov 01.

The macrobicyclic mixed donor cage ligand AMME-N3S3sar (1-methyl-8-amino-3,13,16-trithia-6,10,19-triazabicyclo[6.6.6]eicosane) is capable of binding to Cu(II) as either a hexadentate (N3S3) or tetradentate (N2S2) ligand. The "Cu-in" (hexadentate)/"Cu-out" (tetradendate) equilibrium for the {Cu(AMME-N3S3sar)}(2+) units is strongly influenced by both solvent (DMSO,...

Chemical composition of essential oil and anti trichomonas activity of leaf, stem, and flower of Rheum ribes L. extracts.

Avicenna journal of phytomedicine

Naemi F, Asghari G, Yousofi H, Yousefi HA.
PMID: 25050317
Avicenna J Phytomed. 2014 May;4(3):191-9.

OBJECTIVES: Trichomoniasis is one of the most common sexually transmitted diseases in humans and is caused by the protozoan Trichomonas vaginalis. Nowadays, increasing resistance to drugs such as metronidazole resulted in many problem, so new effective remedies are needed....

Positional order and thermal expansion of surface crystalline N-alkane monolayers.

Physical review. E, Statistical, nonlinear, and soft matter physics

Ocko BM, Sirota EB, Deutsch M, DiMasi E, Coburn S, Strzalka J, Zheng S, Tronin A, Gog T, Venkataraman C.
PMID: 11308691
Phys Rev E Stat Nonlin Soft Matter Phys. 2001 Mar;63(3):032602. doi: 10.1103/PhysRevE.63.032602. Epub 2001 Feb 27.

We report a high-resolution synchrotron grazing incidence x-ray diffraction measurement of a surface crystalline monolayer at the liquid-vapor interface of the n-alkane eicosane (C20H42) just above its melting temperature. The peak width of the surface monolayer rotator phase is...

The hydrophobicity of nanostructured alkane and perfluoro alkane surfaces: a comparison by molecular dynamics simulation.

Physical chemistry chemical physics : PCCP

Pal S, Weiss H, Keller H, Müller-Plathe F.
PMID: 16240031
Phys Chem Chem Phys. 2005 Sep 07;7(17):3191-6. doi: 10.1039/b504811g. Epub 2005 Jul 27.

In this contribution we investigate the differences in the hydrophobicity of a perfluoro-n-eicosane crystal and the n-eicosane crystal by molecular dynamics simulation. The results were analysed in terms of density of water at the interface, the chemical potential of...

Piptaderol from Piptadenia africana.

African journal of traditional, complementary, and alternative medicines : AJTCAM

Mbouangouere RN, Tane P, Ngamga D, Djemgou P, Choudhary MI, Ngadjui BT.
PMID: 20161892
Afr J Tradit Complement Altern Med. 2007 Feb 16;4(3):294-8.

A new glyceryl derivative (Glyceryl-1-hexacosanoate) and a flavone derivative (methyletherapigenin) were isolated from the stem bark extract of Piptadenia africana, a western Cameroonian plant species. Common terpenes like sitosterol, beta-amyrin and eicosane were also isolated. These compounds were identified...

(5,6:19,20-Dibenzo-1,4,11,14-tetra-oxa-8,17-diaza-cyclo-eicosane-κN,O,O,N)dinitrato-κO,O'-cadmium(II).

Acta crystallographica. Section E, Structure reports online

Han TT, Ma JF, Zhang LP, Li QJ.
PMID: 21201291
Acta Crystallogr Sect E Struct Rep Online. 2008 Jan 09;64:m322. doi: 10.1107/S1600536807056541.

In the title compound, [Cd(NO(3))(2)(C(22)H(30)N(2)O(4))], the Cd(II) atom is eight-coordinated by two amine N atoms and two O atoms from the 5,6:19,20-dibenzo-1,4,11,14-tetra-oxa-8,17-diaza-cyclo-eicosane ligand and four O atoms from two nitrate groups. The coordination geometry about Cd is antiprismatic. One...

Burial effects of organic coatings on the heterogeneous reactivity of particle-borne benzo[a]pyrene (BaP) toward ozone.

The journal of physical chemistry. A

Zhou S, Lee AK, McWhinney RD, Abbatt JP.
PMID: 22676584
J Phys Chem A. 2012 Jul 05;116(26):7050-6. doi: 10.1021/jp3030705. Epub 2012 Jun 21.

With an aerosol flow tube coupled to an Aerodyne aerosol mass spectrometer (AMS), room temperature (296 ± 3 K) kinetics studies have been performed on the reaction of gas-phase ozone with benzo[a]pyrene (BaP) adsorbed in submonolayer amounts to dry...

Synthesis, structure and electrochemistry of isomeric nickel(II) complexes of a [9]ane fused cyclam macrotricycle: evidence for a stable trans-IV and a redox induced rearrangement in a trans-I conformation.

Dalton transactions (Cambridge, England : 2003)

McAuley A, Subramanian S, Barclay T.
PMID: 20830416
Dalton Trans. 2010 Nov 07;39(41):9956-61. doi: 10.1039/c0dt00550a. Epub 2010 Sep 09.

The macrotricyclic ligand, 1,11-dithia-4,8,14,18-tetraaza-[5,2,2,5]-eicosane, L3 has been synthesized from cyclam. Both the cis- and the trans- isomers of the Ni(ii) complexes have been prepared and characterized by single crystal X-ray crystallography. In the cis-[Ni(trans-I, syn-L3)](Cl(2))·4H(2)O, the syn-isomer of L3...

Electrochemical Sensor Based on Rh(III) Ion-Imprinted Polymer as a New Modifying Agent for Rhodium Determination.

Journal of nanoscience and nanotechnology

Bai H, Xiong C, Wang C, Liu P, Dong S, Cao Q.
PMID: 29442869
J Nanosci Nanotechnol. 2018 May 01;18(5):3577-3584. doi: 10.1166/jnn.2018.14667.

A rhodium (III) ion carbon paste electrode (CPE) based on an ion imprinted polymer (IIP) as a new modifying agent has been prepared and studied. Rh(III) ion imprinted polymer was synthesized by copolymerization of acrylamide-Rh(III) complex and ethylene glycol...

Microextraction of polycyclic aromatic hydrocarbons by using a stainless steel fiber coated with nanoparticles made from a porous aromatic framework.

Mikrochimica acta

Wang W, Li Z, Wang W, Zhang L, Zhang S, Wang C, Wang Z.
PMID: 29594554
Mikrochim Acta. 2017 Dec 05;185(1):20. doi: 10.1007/s00604-017-2577-5.

A porous aromatic framework of type PAF-6 was synthesized and explored as a coating onto a steel wire for using in solid-phase microextraction of polycyclic aromatic hydrocarbons (PAHs), phthalate plasticizers, and n-alkanes. The extraction temperature, extraction time, salt concentration,...

Showing 1 to 12 of 75 entries