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Showing 1 to 12 of 763 entries
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Cytocompatibility with osteogenic cells and enhanced in vivo anti-infection potential of quaternized chitosan-loaded titania nanotubes.

Bone research

Yang Y, Ao H, Wang Y, Lin W, Yang S, Zhang S, Yu Z, Tang T.
PMID: 27672479
Bone Res. 2016 Sep 20;4:16027. doi: 10.1038/boneres.2016.27. eCollection 2016.

Infection is one of the major causes of failure of orthopedic implants. Our previous study demonstrated that nanotube modification of the implant surface, together with nanotubes loaded with quaternized chitosan (hydroxypropyltrimethyl ammonium chloride chitosan, HACC), could effectively inhibit bacterial...

Local structures and the dissolving behavior of aqueous ammonia and its KCl and NH₄Cl solutions: A Raman spectroscopy and X-ray scattering study.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Li S, Yuan J, Li F, Liu Z.
PMID: 26974475
Spectrochim Acta A Mol Biomol Spectrosc. 2016 Jun 05;162:27-35. doi: 10.1016/j.saa.2016.02.025. Epub 2016 Mar 02.

The aqueous ammonia (5%-15%) and its KCl and NH4Cl solutions have been studied by Raman spectroscopy and X-ray scattering. The microscopic structures in these solutions were proposed. The addition of KCl reinforced the hydrogen bond between NH3 and H2O....

Molecular mechanisms responsible for hydrate anti-agglomerant performance.

Physical chemistry chemical physics : PCCP

Phan A, Bui T, Acosta E, Krishnamurthy P, Striolo A.
PMID: 27436688
Phys Chem Chem Phys. 2016 Sep 28;18(36):24859-71. doi: 10.1039/c6cp03296f. Epub 2016 Jul 20.

Steered and equilibrium molecular dynamics simulations were employed to study the coalescence of a sI hydrate particle and a water droplet within a hydrocarbon mixture. The size of both the hydrate particle and the water droplet is comparable to...

Electrostatic Functionalization and Passivation of Water-Exfoliated Few-Layer Black Phosphorus by Poly Dimethyldiallyl Ammonium Chloride and Its Ultrafast Laser Application.

ACS applied materials & interfaces

Feng Q, Liu H, Zhu M, Shang J, Liu D, Cui X, Shen D, Kou L, Mao D, Zheng J, Li C, Zhang J, Xu H, Zhao J.
PMID: 29489321
ACS Appl Mater Interfaces. 2018 Mar 21;10(11):9679-9687. doi: 10.1021/acsami.8b00556. Epub 2018 Mar 12.

Few-layer black phosphorus (BP) which exhibits excellent optical and electronic properties, has great potential applications in nanodevices. However, BP inevitably suffers from the rapid degradation in ambient air because of the high reactivity of P atoms with oxygen and...

Dimethyl diallyl ammonium chloride and diallylamin Co-polymer modified bio-film derived from palm dates for the adsorption of dyes.

Scientific reports

Jabli M, Saleh TA, Sebeia N, Tka N, Khiari R.
PMID: 29089559
Sci Rep. 2017 Oct 31;7(1):14448. doi: 10.1038/s41598-017-14327-7.

For the first time, co-polymer of dimethyl diallyl ammonium chloride and diallylamin (PDDACD) was used to modify the films derived from the waste of palm date fruits, which were then investigated by the purification of colored aqueous solutions. The...

Effects of solvent and counterion on ion pairing and observed charge states of diquaternary ammonium salts in electrospray ionization mass spectrometry.

Journal of the American Society for Mass Spectrometry

Wang G, Colecor RB.
PMID: 24202886
J Am Soc Mass Spectrom. 1996 Oct;7(10):1050-8. doi: 10.1016/1044-0305(96)00051-7.

Two diquaternary ammonium chloride salts have been used to examine the roles of solvent and counterion in determination of the degree of ion pairing in solution and the resultant charge state distributions in electrospray ionization mass spectrometry (ESI-MS). Three...

Crystal structure of 4,5-bis-(3,4,5-tri-meth-oxy-phen-yl)-2H-1,2,3-triazole methanol monosolvate.

Acta crystallographica. Section E, Structure reports online

Madadi NR, Penthala NR, Bommagani S, Parkin S, Crooks PA.
PMID: 25484710
Acta Crystallogr Sect E Struct Rep Online. 2014 Sep 24;70:o1128-9. doi: 10.1107/S1600536814020911. eCollection 2014 Oct 01.

The title compound, C20H23N3O6·CH3OH, was synthesized by [3 + 2] cyclo-addition of (Z)-2,3-bis-(3,4,5-tri-meth-oxy-phen-yl)acrylo-nitrile with sodium azide and ammonium chloride in DMF/water. The central nitro-gen of the triazole ring is protonated. The dihedral angles between the triazole ring and the...

Microfluidic processing of concentrated surfactant mixtures: online SAXS, microscopy and rheology.

Soft matter

Martin HP, Brooks NJ, Seddon JM, Luckham PF, Terrill NJ, Kowalski AJ, Cabral JT.
PMID: 26739043
Soft Matter. 2016 Feb 14;12(6):1750-8. doi: 10.1039/c5sm02689j. Epub 2016 Jan 07.

We investigate the effect of microfluidic flow on the microstructure and dynamics of a model surfactant mixture, combining synchrotron Small Angle X-ray Scattering (SAXS), microscopy and rheology. A system comprising a single-chain cationic surfactant, hexadecyl trimethyl ammonium chloride (C16TAC),...

Experimental charge density evidence for pnicogen bonding in a crystal of ammonium chloride.

Chemphyschem : a European journal of chemical physics and physical chemistry

Nelyubina YV, Korlyukov AA, Lyssenko KA.
PMID: 25521341
Chemphyschem. 2015 Feb 23;16(3):676-81. doi: 10.1002/cphc.201402673. Epub 2014 Dec 17.

Chemical binding in crystalline ammonium chloride, a simple inorganic salt with an unexpectedly complex bonding pattern, was studied by using a topological analysis of electron density function derived from high-resolution X-ray diffraction. Supported by periodic quantum chemical calculations, it...

Microfluidic platform for photodynamic therapy cytotoxicity analysis of nanoencapsulated indocyanine-type photosensitizers.

Biomicrofluidics

Jastrzębska E, Bazylińska U, Bułka M, Tokarska K, Chudy M, Dybko A, Wilk KA, Brzózka Z.
PMID: 26909122
Biomicrofluidics. 2016 Feb 08;10(1):014116. doi: 10.1063/1.4941681. eCollection 2016 Jan.

The application of nanotechnology is important to improve research and development of alternative anticancer therapies. In order to accelerate research related to cancer diagnosis and to improve the effectiveness of cancer treatment, various nanomaterials are being tested. The main...

Comparison of epichlorohydrin-dimethylamine with other cationic organic polymers as coagulation aids of polyferric chloride in coagulation-ultrafiltration process.

Journal of hazardous materials

Sun S, Gao B, Yue Q, Li R, Song W, Bu F, Zhao S, Jia R, Song W.
PMID: 26775103
J Hazard Mater. 2016 Apr 15;307:108-18. doi: 10.1016/j.jhazmat.2015.12.049. Epub 2015 Dec 30.

Epichlorohydrin-dimethylamine (DAM-ECH) copolymer was acquired by polycondensation of hazardous reagents: epichlorohydrin (analytical reagent, A.R.) and dimethylamine (A.R.) with ethanediamine (A.R.) as cross-linker. Its coagulation and membrane performance as coagulation aid of polyferric chloride (PFC) was evaluated by comparing with...

Achieving significantly enhanced visible-light photocatalytic efficiency using a polyelectrolyte: the composites of exfoliated titania nanosheets, graphene, and poly(diallyl-dimethyl-ammonium chloride).

Nanoscale

Zhang Q, An Q, Luan X, Huang H, Li X, Meng Z, Tong W, Chen X, Chu PK, Zhang Y.
PMID: 26235909
Nanoscale. 2015 Sep 07;7(33):14002-9. doi: 10.1039/c5nr03256c. Epub 2015 Aug 03.

A high-performance visible-light-active photocatalyst is prepared using the polyelectrolyte/exfoliated titania nanosheet/graphene oxide (GO) precursor by flocculation followed by calcination. The polyelectrolyte poly(diallyl-dimethyl-ammonium chloride) serves not only as an effective binder to precipitate GO and titania nanosheets, but also boosts...

Showing 1 to 12 of 763 entries