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Friday, July 24, 2020 | History

2 edition of spectroscopic study of nonionic surfactant binding to Apomyoglobin. found in the catalog.

spectroscopic study of nonionic surfactant binding to Apomyoglobin.

Gary James Sokolowski

spectroscopic study of nonionic surfactant binding to Apomyoglobin.

by Gary James Sokolowski

  • 178 Want to read
  • 40 Currently reading

Published .
Written in English

    Subjects:
  • Lipids -- Analysis.

  • The Physical Object
    Paginationviii, 55 l.
    Number of Pages55
    ID Numbers
    Open LibraryOL16754735M

    Monoacylglycerols (MAGs) have proven of great interest to the foodstuffs industry due to the promising antibacterial activity they show for controlling microbial contamination. Prior to this paper, this antibacterial agent had not been incorporated in a nanofibrous membrane. This study details convenient fabrication of nanofibrous membranes based on polyvinyl butyral (PVB) containing various. Nonionics as ionic surfactant intermediates / L.W. Burnette Miscellaneous nonionic surfactants / L.W. Burnette Synthesis of homogeneous nonionic surfactants / B.A. Mulley --II. Physical chemistry of nonionic surfactants Surface films / H. Lange Micelle formation in aqueous and nonaqueous solutions / P. Becher

    A spectroscopic study involving apomyoglobin (Apo-Mb) and cyclodextrin (CyD) of various cavity sizes as model globular protein and synthetic receptors, respectively, using steady-state and.   What exactly is a Nonionic Surfactant? It's a pretty cool chemical that gets dissolved in water (H20) and helps to break down oils and dirt from various solids. A surfactant is a "surface active agent" used in many household and industrial cleaning products. The actual surfactant molecule works in a very impressive way. This molecule has multiple tails that attract water and repel water at the.

    Experiments: Detergent systems are typically comprised of anionic surfactants, non-ionic surfactants and water. This study explores the crystallisation of a three component system consisting of. Results. To reduce deleterious protein–surfactant interactions, we have pursued the use of nonionic surfactants and have focused on those having an ethylene glycol head group with a linear alkyl ether chain tail (Shioi et al. ; Fig. 1A).The nomenclature for this family of surfactants is C i E j, where i represents the number of carbons in the alkyl chain, and j is the number of glycol.


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Spectroscopic study of nonionic surfactant binding to Apomyoglobin by Gary James Sokolowski Download PDF EPUB FB2

In this work, a series of comparative studies for the effect of the nine commercially available cationic, amphoteric and nonionic surfactants on the structure and wettability of the montmorillonite based organoclays were performed.

The pristine and modified clays were characterized by X-ray diffraction (XRD), attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy, and. The mixed micellization study between nonionic surfactant (TX) and phenothiazine drug (IMP) are investigated in the absence and presence of IL, and the outcomes obtained are as follow: 1.

The experimental cmc values of TX/IMP mixed systems decreases with the α TXAuthor: Naved Azum, Malik Abdul Rub, Yasser Azim, Abdullah M. Asiri. Surface tension detects the adsorption of the surfactant at the air-water interface and surfactant binding to the protein.

The formation of a heme 6-cLS species through distal histidine (His) binding is common to the three surfactants.

The mechanism for this coordination change, though, is not the same for SDS and for the cationic by:   The aggregation numbers obtained agree well with the literature. Ray et al. found the aggregation number of Brij 58 to be 12 for the concentrations from 1 to 5 mmol/L, and 92 for concentrations of surfactant between and 9 mmol/L, using fluorescence spectroscopy with Safranine T as the probe.

Our investigation used ANS as the spectroscopic study of nonionic surfactant binding to Apomyoglobin. book probe and concentrations of surfactant Cited by: Tenside Surfactants Detergents55 (4), DOI: / Taku Ogura, Takaaki Sato, Masahiko Abe, Tomomichi Okano.

Small Angle X-ray Scattering and Electron Spin Resonance Spectroscopy Study on Fragrance Infused Cationic Vesicles Modeling Scent Cited by: 5. The ionic-nonionic mixed micellar media can be used to: change shape of micelle, decrease the repulsion between ionic moieties of surfactant minimize CMC of surfactant and improve their solubilization capacity.

Cloud point of mixed micellar system has higher value making it applicable under broader range of salinity and temperature. In another study, Chou et al. characterized the binding interactions between the surfactants and Albutropin™ (human growth hormone genetically fused to human albumin) based on fluorescence spectroscopy and ITC.

The authors concluded that polysorbates and Albutropin reached saturation with a molar binding stoichiometry of approximately A combined binding mechanism of nonionic ethoxylated surfactants to bovine serum albumin revealed by fluorescence and circular dichroism.

Journal of Photochemistry and Photobiology B: Biology, DOI: /biol Nirmal Kumar Das, Lavanya Pawar, Naveen Kumar, Saptarshi Mukherjee. The interaction between dodecyltrimethylammonium bromide (DTAB) and curcumin has been studied in pH sodium phosphate buffer using absorption and fluorescence measurements.

With increasing DTAB concentration (CDTAB) from 0 to 20 mM, the absorption peak of curcumin at nm, corresponding to the conjugated structure of curcumin, first weakens gradually into a shoulder but. Total internal reflection (TIR) Raman spectroscopy has been used to study the kinetics of adsorption, desorption, and displacement of mixed surfactant systems at the silica–water interface.

The limited penetration depth of the evanescent wave provides surface sensitivity while the chemical sensitivity of Raman scattering permits the determination of the time-dependent composition of the. Surfactants are compounds that lower the surface tension (or interfacial tension) between two liquids, between a gas and a liquid, or between a liquid and a solid.

Surfactants may act as detergents, wetting agents, emulsifiers, foaming agents, and dispersants. The word surfactant is a blend of surface-active agent. Agents that increase surface tension are surface active in the literal sense. The most usual surfactant used in bleaching formulae products is the anionic surfactant sodium lauryl sulfate.

However, lower-foaming surfactants are efficient and safe to use. Therefore, in the present study, alkanolamide arising from coconut diethanolamide as a nonionic surfactant imparts excellent viscosity, enhancing foam stabilization.

Sudlow G, Birkett DJ, Wade DN. Further characterization of specific drug binding sites on human serum albumin. Mol Pharmacol. Nov; 12 (6)– Sukow WW, Sandberg HE, Lewis EA, Eatough DJ, Hansen LD. Binding of the Triton X series of nonionic surfactants to bovine serum albumin.

Biochemistry. Mar 4; 19 (5)– Kamogawa K, Tajima K, Hayakawa K, Kitagawa T () Raman Spectroscopic Studies of Submillimo lar Surfactant Solutions. Concentration Dependence of the C-H Stretching Raman Lines.

3 Phys Chem – Google Scholar. Wyn-Jones's research works with 3, citations and 1, reads, including: Spectroscopic and acoustic measurements in relation to the conformation of a cyclic sulfite and a cyclic sulfate.

The colloidal properties of DDAB in the absence and presence of Zein have also been investigated using physico-chemical and spectroscopy methods.

The surfactant appears to bind to Zein at. Binding interaction of a synthesized biodegradable gemini surfactant, ethane-1, 2-diyl bis(N, N-dimethyl-N-dodecylammoniumacetoxy) dichloride (E2.

What is offered in this book is an authoritative, comprehensive and well referenced treatiseit will continue as the standard work on nonionic surfactants for years to come.

-. Surfactant molecules have a hydrophilic (attracted to water) and hydrophobic (repels water) tails. In cleaning products, this means the hydrophobic tail holds the dirt and oil from reentering the cleaned surface while the hydrophilic tail helps in disinfecting the surface.

This is why many household cleaners have nonionic surfactants. Mixed surfactant systems: an overview / Paul M. Holland and Donn N. Rubingh -- Modeling mixed surfactant systems: basic introduction / Paul M. Holland -- Terminology for describing thermodynamic properties of nonideal mixed micellar systems / Sherril D.

Christian, E.E. Tucker, and John F. Scamehorn -- Micellization of binary surfactant. A comparative study of drug carrier properties of cationic, anionic, and the nonionic surfactants with this pyrimidine derivative (ANHP) in aqueous solution is the key research interest of this work.

From fluorescence studies, the interaction of ANHP with the different types of surfactants were compared and binding constants of ANHP in vesicles.For ionic surfactant–nonionic polymer mixed systems at fixed polymer concentration, the conductivity vs. surfactant concentration curve exhibits two break points.

The first break point corresponds to the surfactant concentration where the surfactant starts binding to the polymer: critical association concentration (CAC) [50,51].5 Title: Nonionic Surfactants – A Multivariate Study Author: Lise-Lott Uppgård, Organic Chemistry, Department of Chemistry, Umeå University, SE 87 Umeå, Sweden Abstract: In this thesis technical nonionic surfactants are studied using multivariate techniques.

The surfactants studied were.