نتایج جستجو برای: dye characterization

تعداد نتایج: 412773  

Journal: :Langmuir : the ACS journal of surfaces and colloids 2004
Dina Tleugabulova Zheng Zhang Yang Chen Michael A Brook John D Brennan

Time-resolved anisotropy decays of a fluorescent cationic solute, rhodamine 6G (R6G), in Ludox sols were measured to characterize the extent of the ionic binding of the probe to silica particles after modification of the surface with neutral or cationic silane coupling agents. The anisotropy decays provided direct evidence for distribution of the dye between the aqueous solution (picosecond dec...

Journal: :Journal of The Iranian Chemical Society 2022

Dye-sensitized solar cell, known as an emergent technology, has been attracted attention around the world. It easily produced by a mesoporous semiconductor oxide (SO), with dye. On other hand, some unexpected reactions back-electron recombination, reducing cell efficiency. The presence of molecules to act passivation might rise up collection reaction rate, and enhance photoelectrochemical syste...

2007
Tuquabo Tesfamichael Geoffrey Will John Bell Kathryn Prince

(2003) Characterization of a dye-sensitised titania solar cell electrode. Abstract: We have characterised a dye-sensitised nanoporous nanocrystalline titania film used in prototype photoelectrochemical solar cell production. From Transmission Electron Microscopy the particles were seen as mixtures of tetrahedral and rhombohedral geometries with size distribution in the range between 10 and 25 n...

2014
K. M. Prabu

Natural dye-sensitized solar cells (NDSSCs) have gained considerable attention in the field of solar energy due to their simple fabrication, good efficiency, and low production cost. Natural dyes are environmentally and economically superior to ruthenium-based dyes because they are nontoxic and cheap. However, the conversion efficiency of dye-sensitized solar cells based on natural dyes is low....

2016
Jayanthi Abraham Anamika Sekhar Nidhi Singh Sonil Nanda

The principle aim of this study was to isolate dye degrading actinomycetes from soil, mainly from agricultural farm lands and waste disposal areas, followed by characterization of the obtained isolates and to screen for dye degradation potential. Experiments included collection of soil samples; isolation of actinomycetes by serial dilution and spread plate technique on ISP2 medium, screening fo...

2010
Helder T. Gomes Sandra M. Miranda Maria J. Sampaio Adrián M.T. Silva Joaquim L. Faria

Different liquid phase thermal treatmentswere applied to a commercial activated carbon (Norit ROX 0.8) in order to produce modified activated carbons with varying surface chemistry and increased acidic character. Chemical characterization of the prepared materials includes determination of the point of zero charge and evaluation of the concentration and nature of acidic and basic surface functi...

Journal: :Tetrahedron 2007
Angel A Martí Xiaoxu Li Steffen Jockusch Nathan Stevens Zengmin Li Bindu Raveendra Sergey Kalachikov Irina Morozova James J Russo Daniel L Akins Jingyue Ju Nicholas J Turro

We report the design, synthesis and characterization of binary oligonucleotide probes for mRNA detection. The probes were designed to avoid common problems found in standard binary probes such as direct excitation of the acceptor fluorophore and overlap between the donor and acceptor emission spectra. Two different probes were constructed that contained an array of either two or three dyes and ...

2013
MALLIKARJUN C. BHEEMARADDI CHANNAPPA T. SHIVANNAVAR

A bacterial strain GSM3, capable of decolorizing an azo dye Reactive Red 2 was isolated from dye contaminated soil sample collected from Ammu dyeing industry, Bellary, India. Based on phenotypic characteristics and 16S rDNA sequencing, strain GSM3 was identified as Pseudomonas aeruginosa GSM3. Isolate GSM3 showed 97% decolorization of Reactive Red 2 (300 mgL) within 10 h, while maximally it cou...

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