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Items from 1 to 19 out of 19 results

article

Ecofriendly Synthesis of Silver–Carboxy Methyl Cellulose Nanocomposites and Their Antibacterial Activity

Gang Li, Luqing Liu, Yonglin Sun, Huihong Liu

Journal of Cluster Science > 2018 > 29 > 6 > 1193-1199

A straightforward and environmentally benign method for the synthesis of silver nanoparticles (AgNPs) is reported in this paper. A sustainable and nontoxic polysaccharide carboxy methyl cellulose (CMC) was used as both reducing agent and stabilizer in the process of synthesizing AgNPs. By varying the precursor concentration, solution pH value, reaction temperature and duration, the highly stable and...

article

Spectrofluorometric determination of clonazepam in dosage forms: Application to content uniformity testing and human plasma

Fathalla Belal, Fawzia Ibrahim, Zainab Sheribah, Heba Alaa

Luminescence > 32 > 7 > 1299 - 1306

The present paper describes a developed and validated simple, highly sensitive and cost‐effective spectrofluorometric method for determination of clonazepam (CNP). The proposed method depends on forming a highly fluorescent product through the reduction of CNP with Zn/HCl. The produced fluorophore exhibits a strong fluorescence at λ_em 350 nm after excitation at λ_ex 250 nm. The use of carboxymethylcellulose...

article

Core–shell nanoparticles of carboxy methyl cellulose and compritol-PEG for antiretroviral drug delivery

K. S. Joshy, S. Snigdha, Anne George, Nandakumar Kalarikkal, more

Cellulose > 2017 > 24 > 11 > 4759-4771

Multi-functional nanoparticles hold great promise for the effective treatment of many diseases. Zidovudine a commonly used anti-HIV drug, requires a delivery system for more effective treatment of AIDS. The present study focuses on the development of anti-viral drug-loaded hybrid nanoparticles (LPNs) of lipid and polymer consisting of carboxy methyl cellulose—zidovudine (AZT) core enclosed by a compritol...

article

Micelle‐enhanced spectrofluorimetric method for quantification of entacapone in tablets and human plasma

F. Belal, F. Ibrahim, Z. A. Sheribah, H. Alaa

Luminescence > 32 > 5 > 713 - 722

In this paper, a simple and highly sensitive spectrofluorimetric method was developed and validated for the determination of entacapone (ETC). The proposed method is based on forming a highly fluorescent product through the reduction of ETC with Zn/HCl. The produced fluorophore exhibits strong fluorescence at λ_em 345 nm after excitation at λ_ex 240 nm. The use of fluorescence enhancers such as Tween‐80...

article

The effect of velocity and dimension of solid nanoparticles on heat transfer in non-Newtonian nanofluid

Omid Ali Akbari, Davood Toghraie, Arash Karimipour, Ali Marzban, more

Physica E: Low-dimensional Systems and Nanostructures > 2017 > 86 > C > 68-75

In this investigation, the behavior of non-Newtonian nanofluid hydrodynamic and heat transfer are simulated. In this study, we numerically simulated a laminar forced non-Newtonian nanofluid flow containing a 0.5wt% carboxy methyl cellulose (CMC) solutionin water as the base fluid with alumina at volume fractions of 0.5 and 1.5 as the solid nanoparticle. Numerical solution was modelled in Cartesian...

article

Ionic behavior modification of cation exchange ED membranes by using CMC-co-Fe₃O₄ nanoparticles for heavy metals removal from water

M. R. Jafari, S. M. Hosseini, S. M. J. Musavi Andani, A. R. Hamidi, more

Journal of the Iranian Chemical Society > 2017 > 14 > 5 > 1011-1021

A new mixed matrix polyvinyl chloride-based heterogeneous cation exchange membrane was prepared by incorporation of carboxy methyl cellulose-co-Fe₃O₄ nanoparticles through solution casting technique. The effect of simultaneous using of carboxy methyl cellulose and iron oxide nanoparticles in the casting solution on the physicochemical properties of membranes was studied. SOM images showed uniform...

article

Interaction between Nanofibrillated Cellulose with Guar Gum and Carboxy Methyl Cellulose in Low‐Fat Mayonnaise

Laleh Golchoobi, Mazdak Alimi, Shirin Shokoohi, Hossein Yousefi

Journal of Texture Studies > 47 > 5 > 403 - 412

To investigate the physicochemical, rheological and sensory characteristics of a new formulation proposed for low‐fat mayonnaise, nine mayonnaise samples containing different compositions of NFC (nanofibrillated cellulose), guar gum and CMC (carboxy methyl cellulose) were prepared and compared to commercial low‐fat mayonnaise (30% fat) as the control sample. The stability of emulsions containing NFC...

article

Tailoring the ionic transfer characteristics of polyvinyl chloride-based heterogeneous ion exchange membranes by embedding carboxy methyl cellulose in membrane channels

S. M. Hosseini, S. M. J. Musavi Andani, M. R. Jafari

Journal of Polymer Research > 2016 > 23 > 8 > 1-13

Polyvinyl chloride-based heterogeneous cation exchange membranes were modified by embedding carboxy methyl cellulose in ionic transfer channels of membrane. The effect of CMC to PVC blend ratios on properties of membranes was studied. SOM images showed uniform distribution and surfaces for prepared membranes relatively. The SEM images showed uniform and dense structure for the membranes. The XRD pattern...

article

Effect of irradiated pork on physicochemical properties of meat emulsions

Yun-Sang Choi, Jung-Min Sung, Tae-Jun Jeong, Ko-Eun Hwang, more

Radiation Physics and Chemistry > 2016 > 119 > Complete > 279-281

The effect of pork irradiated with doses up to 10kGy on meat emulsions formulated with carboxy methyl cellulose (CMC) was investigated. Raw pork was vacuums packaged at a thickness of 2.0cm and irradiated by X-ray linear accelerator (15kW, 5MeV). The emulsion had higher lightness, myofibrillar protein solubility, total protein solubility, and apparent viscosity with increasing doses, whereas cooking...

article

Determination of relationship between sensory viscosity rating and instrumental flow behaviour of soluble dietary fibers

Simran Kaur Arora, A. A. Patel, Naveen Kumar, O. P. Chauhan

Journal of Food Science and Technology > 2016 > 53 > 4 > 2067-2076

The shear-thinning low, medium and high-viscosity fiber preparations (0.15–1.05 % psyllium husk, 0.07–0.6 % guar gum, 0.15–1.20 % gum tragacanth, 0.1–0.8 % gum karaya, 0.15–1.05 % high-viscosity Carboxy Methyl Cellulose and 0.1–0.7 % xanthan gum) showed that the consistency coefficient (k) was a function of concentration, the relationship being exponential (R², 0.87–0.96; P < 0.01). The flow behaviour...

article

Effects of carboxy methyl cellulose and thymol + carvacrol on performance, digesta viscosity and some blood metabolites of broilers

H. Hashemipour, H. Kermanshahi, A. Golian, V. Khaksar

Journal of Animal Physiology and Animal Nutrition > 98 > 4 > 672 - 679

This study was conducted to evaluate the effects of thymol + carvacrol as plant essential oils on performance, digesta viscosity and some blood metabolites of broilers fed diets supplemented with carboxy methyl cellulose (CMC) and/or thymol+carvacrol. In a completely randomized design with a 2 × 3 factorial arrangement, two levels of CMC (0% and 2%) and three levels of thymol+carvacrol (0, 100 and...

chapter

Effect of carboxyl methyl cellulose on the adhesion properties of sodium silicate wood adhesive

Xinli Zhang, Xiaomei Liu, Shoulu Yang, Kequan Long, more

Proceedings of 2012 International Conference on Biobase Material Science and Engineering > 230 - 233

2012 International Conference on Biobase Material Science and Engineering (BMSE)

Carboxyl methyl cellulose (CMC) was used to improve the bonding capacity of sodium silicate (Na₂SiO₃) wood adhesive in this study. Compared with Na₂SiO₃ wood adhesive without CMC, the bonding strength of Na₂SiO₃ wood adhesive with 7.5% CMC increased by 56.3% in dry state, while its water resistance did not improve. The improved performance of CMC/Na₂SiO₃ wood adhesive was supported by its strengthened...

article

The copper nanoparticles catalysed reduction of substituted nitrobenzenes: effect of nanoparticle stabilizers

J. Santhanalakshmi, L. Parimala

Journal of Nanoparticle Research > 2012 > 14 > 9 > 1-14

Copper nanoparticles are prepared and size characterized using FESEM and HRTEM. Poly ethylene glycol (PEG), carboxy methyl cellulose (CMC) and poly N vinyl pyrrolidone (PVP) are used as the nanoparticle stabilizers. The reduction reactions of fourteen differently aromatic ring substituted nitro benzenes are carried out with NaBH₄ solution catalyzed by the copper nanoparticles with PEG, CMC and PVP...

article

Physical properties of edible modified starch/carboxymethyl cellulose films

Babak Ghanbarzadeh, Hadi Almasi, Ali A. Entezami

Innovative Food Science and Emerging Technologies > 2010 > 11 > 4 > 697-702

Novel modified starch/carboxy methyl cellulose (CMC) composite films were prepared by a casting method. The effects of CMC addition on the some physical properties of the resulted blend films were investigated. The blend film composed of 15% W/W CMC /starch, showed the lowest water vapor permeability (WVP) value (2.34×10 ⁻ ⁷ g/m ^. h ^. Pa).The moisture absorption and solubility...

article

Application of hydrophilic finished of synthetic fabrics coated with CMC/acrylic acid cured by electron beam irradiation in the removal of metal cations from aqueous solutions

Sayeda M. Ibrahim

Journal of Applied Polymer Science > 117 > 5 > 3098 - 3106

Modified textile fabrics were used to remove Cu⁺² and Cr⁺³ ions from aqueous solutions. For this purpose, modified Nylon‐6, polyester woven and knitted fabrics were prepared by coating the surface with a thin layer of aqueous solution of carboxymethyl cellulose (CMC) and acrylic acid (AAc) of thickness 25 μm. Radiation crosslinking of the coated layer was carried out by electron beam irradiation with...

article

Pool boiling heat transfer of non-Newtonian nanofluids

S. Soltani, S. Gh. Etemad, J. Thibault

International Communications in Heat and Mass Transfer > 2010 > 37 > 1 > 29-33

This paper reports on the investigation of pool boiling heat transfer of γ-Al ₂ O ₃ /CMC non-Newtonian nanofluids. To prepare nanofluids, γ-Al ₂ O ₃ nanoparticles were dispersed in CMC solution (carboxy methyl cellulose in water) using ultrasonic mixing and mechanical mixer. Different concentrations of CMC non-Newtonian fluids and γ-Al ₂ O ₃ /CMC non-Newtonian...

article

Decreasing the initial irreversible capacity loss of graphite negative electrode by alkali-addition

Atsushi Sano, Masato Kurihara, Kazuya Ogawa, Tsuyoshi Iijima, more

Journal of Power Sources > 2009 > 192 > 2 > 703-707

The effect of alkali function group contained in electrode binder was investigated. Carboxy methyl cellulose (CMC) improved the initial irreversible capacity loss in graphite negative electrode. Lithium acetate also improved the initial cycle efficiency. On the other hand, ethyl cellulose (EC) and hydroxyl propyl methyl cellulose (HPMC), which do not have a carboxylic group, did not decrease the reductive...

article

Formulation of pasta from rice brokens: optimization of ingredient levels using response surface methodology

C. S. Raina, Sukhcharn Singh, A. S. Bawa, D. C. Saxena

European Food Research and Technology > 2005 > 220 > 5-6 > 565-574

Rice brokens were utilized in the development of pasta products. Response surface methodology was used to analyze the effect of pregelatinized rice flour (from rice brokens), vital gluten, water, glycerol monostearate (GMS) and carboxy methyl cellulose (CMC) on the quality responses (sensory, cooking quality, rehydration ratio and solids loss) of the pasta product. A rotatable central-composite design...

article

Interfacial activity of a novel family of polymeric surfactants

Ya Cao, Huilin Li

European Polymer Journal > 2002 > 38 > 7 > 1457-1463

A novel series of polymeric surfactants based on carboxy methyl cellulose and alkyl poly(etheroxy) acrylate were synthesized by ultrasonic irradiation. These polymeric surfactants have exhibit excellent surface activity due to their unique structure. The influences of salt, alcohol and alkali on the interfacial activity of these polymeric surfactants were studied by interfacial tensiometery, dynamic...

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