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2019-8-12 · Adsorption isotherm models used to fit the experimental data, results for the synthesis of the macroRAFT agents; estimation of adsorption model parameters for adsorption of nonionic, anionic, and cationic macroRAFT agents onto Laponite; evolution of ζ potential, average hydrodynamic diameters, and PDI of Laponite platelets functionalized with MR10q and MR11; XRD analysis of P(DMAEMA 19-co …
Get Price2019-12-17 · Abstract. The functionalization of Laponite RD platelets with different cationic, anionic, and nonionic homo- and copolymers synthesized by reversible addition–fragmentation chain transfer (RAFT) has been investigated. The effective interaction of the macromolecular RAFT agents (macroRAFTs) with the inorganic particles is known to be of crucial ...
Get Price2011-5-19 · Structural behaviour of mixed cationic surfactant micelles: A small-angle neutron scattering study. Journal of Colloid and Interface Science 2012, 381 (1) , 89-99. DOI: 10.1016/j.jcis.2012.05.015. Hua-Neng Xu. An aqueous anionic/nonionic surfactant two-phase system in the presence of salt. 1.
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Get Price2021-4-3 · Cationic surfactants typically have slightly higher CMCs than anionic surfactants. GlucoPure® Wet is a low-foam non-ionic sugar-based surfactant with a chemical formula N-C8/10-acyl-N-methyl-glucamine. Its CMC is 0.0068 wt% at a temperature of 70 °C with methanol and water solution (Warwel et …
Get Price2007-6-5 · Aiming at determining the association constant between the nonionic and/or cationic micelles and the drug, the quantities 1/(I − I 0), where I are the experimental fluorescence intensity values at λ = 362 nm (which is the λ max ± 3 nm for all the spectra), have been plotted in Fig. 5 as a function of the inverse micelle concentration, 1/[MIC].
Get PriceIntact, PG-depleted, and mechanically injured + PG-depleted cartilage samples (n = 33) were imaged in a mixture of cationic (iodine-based CA4+) and non-ionic (gadolinium-based gadoteridol) agents.
Get Price2020-8-31 · At a higher salt concentration, the adsorption of CM was improved significantly following the extrinsic compensation mechanism and nonionic interaction (e.g., hydrophobic interaction). The adsorption affinity of CM in the urea environment revealed the contribution (10–30%) of hydrogen bonding in the adsorption of CM on the PDADMAC surface.
Get Price2019-12-12 · Mixed micellization properties of the cationic monomeric surfactants hexadecyltrimethylammonium bromide (CTAB), hexadecyltriphenylphosphonium bromide (CTPB), hexadecyltributylphosphonium bromide (CTBuPB), and tetradecyltriphenylphosphonium bromide (TTPB) with gemini surfactant C16H33(CH2)2N+(CH2)10N+(CH2)2C16H33·2Br− (C16-10-C16·2Br−) have …
Get Price2020-5-6 · Anionic surfactants are effective at removing soil but are sensitive to the presence of multivalent ions present in hard water. Nonionic surfactants have high solubility and are virtually immune to the effects of hard water but are less effective than anionic surfactants at removing soil. Cationic surfactants are generally used as fabric softeners.
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Get PriceIntact, PG-depleted, and mechanically injured + PG-depleted cartilage samples (n = 33) were imaged in a mixture of cationic (iodine-based CA4+) and non-ionic (gadolinium-based gadoteridol) agents.
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Get PriceWe present a theoretical analysis of the phase behavior of solutions containing DNA, cationic lipids, and nonionic (helper) lipids. Our model allows for five possible structures, treated as incompressible macroscopic phases: two lipid–DNA composite (lipoplex) phases, namely, the lamellar (LαC) and hexagonal (HIIC) complexes; two binary (cationic/neutral) lipid phases, that is, the bilayer ...
Get Price2018-10-17 · Enhanced treatment of ceramic-tile industry wastewater was investigated by modified coagulation–flocculation process using combination of poly-aluminum chloride (PAC) with anionic (A300), cationic polymer (C270) and nonionic polymers. The effects of pH, PAC coagulant dose alone and with polymers dose in various combinations was studied by jar tests.
Get Price2010-1-17 · Abstract. We adopted a rational approach to design cationic lipids for use in formulations to deliver small interfering RNA (siRNA). Starting with the ionizable cationic lipid 1,2-dilinoleyloxy-3 ...
Get Price2017-12-8 · It is challenging to unlock anionic redox activity, accompanied by full utilization of available cationic redox process, to boost capacity of battery cathodes. Now, material design by tuning the ...
Get Price2009-4-23 · Gemini-type cationic surfactants containing carbonate linkages as biodegradable and chemically recyclable segments, consisting of two long-chain alkyl groups, two quaternary ammonium groups and a linker moiety, were designed and synthesized as novel green and sustainable cationics with improved physicochemical and biological activities. The gemini-type cationics containing a carbonate …
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Get PriceThe use of cationic, anionic and nonionic 2018-4-15 · In this work, pulp mill wastewater was treated with a novel polymer flocculant, which was synthesized through polymerizing (2-methacryloyloxyethyl) trimethyl ammonium chloride (DMC) and xylan.
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Get Price2018-10-17 · Enhanced treatment of ceramic-tile industry wastewater was investigated by modified coagulation–flocculation process using combination of poly-aluminum chloride (PAC) with anionic (A300), cationic polymer (C270) and nonionic polymers. The effects of pH, PAC coagulant dose alone and with polymers dose in various combinations was studied by jar tests.
Get Price2012-9-8 · Nonionic soaps (Figure 1B and 1C) are known in specialty literature [7–14] and food technology practice as colloid structures with surface-active competences superior to those of traditional soaps, due to the presence within the molecular ensemble of heterogeneous polyoxyethylene chains (n = 3-20).. The soaps are probably the oldest surfactants that have been used as washing and cleaning …
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Get Price2015-12-10 · A new and simple determination method for critical micelle concentration (CMC) has been developed based on surface plasmon resonance (SPR) technique. In the current work, the CMCs for sodium dodecyl sulfate (SDS), cetyl trimethyl ammonium bromide (CTAB), and Triton X-100 (TX-100) were determined in aqueous media by SPR of silver nanoparticles (AgNPs).
Get Price2015-11-27 · Some design tools output a graphical representation of the target gene overlayed with sgRNA sites to aid users in selecting optimal sites for genetic perturbation . In addition, some tools offer options for Cas9 nickases that assist in selecting paired sgRNAs that fall within a specified distance from each other (Tables 1 – 2 ).
Get PriceThe use of cationic, anionic and nonionic 2018-4-15 · In this work, pulp mill wastewater was treated with a novel polymer flocculant, which was synthesized through polymerizing (2-methacryloyloxyethyl) trimethyl ammonium chloride (DMC) and xylan.
Get Price2018-10-17 · Enhanced treatment of ceramic-tile industry wastewater was investigated by modified coagulation–flocculation process using combination of poly-aluminum chloride (PAC) with anionic (A300), cationic polymer (C270) and nonionic polymers. The effects of pH, PAC coagulant dose alone and with polymers dose in various combinations was studied by jar tests.
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Get Price2012-9-8 · Nonionic soaps (Figure 1B and 1C) are known in specialty literature [7–14] and food technology practice as colloid structures with surface-active competences superior to those of traditional soaps, due to the presence within the molecular ensemble of heterogeneous polyoxyethylene chains (n = 3-20).. The soaps are probably the oldest surfactants that have been used as washing and cleaning …
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Get Price2019-9-16 · SiF 6 2− ions in aqueous cationic or nonionic surfactant solutions also precipitate into SiO 2 within several seconds (even in acidic solutions with pH 3–4) 15,17,27 which is ascribed to the ...
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Get Price2019-3-12 · The cationic polymer-based nucleic acid is a complex called as polyplex. The cationic non-viral lipid-based gene carriers, ‘lipoplexes’ have been currently evaluated clinically [52,53,54,55,56]. The gene complex is one of key targeting delivery for gene therapy.
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Get Price2021-7-16 · Cationic, amphoteric and nonionic surfactants are added to some shampoo formulas to reduce the static electricity generating effects caused by the anionic surfactants. Since they carry a positive charge, cationic surfactants bond quickly to the strands negatively charged due to the use of anionic surfactants and reduce the frizz effect ...
Get Price2018-3-23 · In this study, we have developed a novel cationic PEGylated niosomal formulation for encapsulating paclitaxel and curcumin. The vesicular systems were prepared from the nonionic surfactant Tween-60, as a commercial surfactant, and all formulations were compared in terms of entrapment efficiency, drug release, vesicle size, and polydispersity index.
Get Price2020-12-4 · In striking contrast, nonionic DCH MO and weakly cationic DCH MOK10 or anionic DCH MOE15, contained no detectable Ly6B2-positive neutrophils, whereas strongly cationic DCH …
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Get Price2021-5-1 · The previously published oxidorhenium(V) complex [ReOCl(L1) 2] (2), equipped with the bidentate phenol-dimethyloxazoline ligand HL1 (2-(4,4-dimethyl-4,5-dihydro-1,3-oxazol-2-yl)-phenol), shows catalytic activity for the reduction of nitrate to nitrite under mild, ambient and aqueous conditions.The reaction operates under an oxygen atom transfer (OAT) mechanism, using dimethyl …
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Get Price2018-5-10 · A similar principle was noticed in a binary mixture of DDAB and C12E5 DDAB (cationic –nonionic) surfactants which had no obvious effect on droplet structure and size, although it improved the stability of nanoemulsion . Hence, the nonionic surfactants are considered to be stable in the design of ME/NEs and their subtypes .
Get Price2021-5-21 · Retention aid systems of cationic microparticles and anionic polymer: Experiments and pilot machine trials. In this thesis, the effectiveness of microparticle retention aid systems comprising of different cationic starches (tapioca and waxy maize), cationic …
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