نتایج جستجو برای: ftir analysis

تعداد نتایج: 2836971  

2017
G. S. Ahmed M. Gilbert S. Mainprize M. Rogerson

Journal: :international journal of nanoscience and nanotechnology 2011
m. ranjbar s. h. mahmoudi najafi n. shahsavan m. yousefi

the study describes the synthesis and characterization of zinc(ii) minoxidil nanocomposite (1). the reaction between zinc(ii) acetate, minoxidil, {c9h15n5o=minoxidil=(2,4-diamino-6-piperidine-1-yl) pyrimidine n-oxide)} as a ligand and ki as bridging agent, in methanol at 60°c leads to the formation of nano-sized zn(ii) minoxidil nanocomposite, 1. characterization of (1) was carried out by eleme...

2009
D. Li J. Sedman D. L. García-González F. R. van de Voort

A new instrumental method for the quantitative measurement of acid content AC in mineralbased lubricants was devised by employing FTIR spectroscopy, with AC serving as an alternative to traditional acid number AN measures commonly made to assess lubricant quality. The method involves the addition of an oil-immiscible ethanolic solution of the base sodium hydrogen cyanamide NaHN–CwN to the lubri...

2015
P. T. V. Lakshmi Devi Priyanka A. Annamalai

Biosynthesis of silver nanoparticles using Westiellopsis sp. (A15), a filamentous cyanobacterium belonging to the family Fischerellaceae, has been demonstrated. Aqueous silver ions (Ag(+)) when exposed to the culture filtrate of Westiellopsis were reduced in the solution, which were characterized by biophysical measures utilizing the UV-Vis spectroscopy, scanning electron microscopy (SEM), and ...

2012
G Sankari E Krishnamoorthy S Jayakumaran S Gunasekaran Vishnu Priya S Subramaniam Krishna Mohan

Fourier Transform Infra Red (FTIR) Spectroscopy is a non-invasive, reagent free diagnostic tool in the analysis of biological fluids. The results can be best employed in the qualitative and quantitative investigation of biological fluids. Multiple myeloma is a disorder in which malignant plasma cells accumulate in bone marrow and produce excess immunoglobulin that leads to many complications. T...

2012
Humayun Kabir Mahbubur Rahman Tanu Shree Roy

Plasma polymerized pyromucic aldehyde (PPPA) thin films have been deposited on to glass substrates by glow discharge technique. Scanning electron microscopy (SEM) graphs reveal that the surface morphology of PPPA thin films is uniform and flawless. FTIR analysis reveals that the chemical composition of PPPA films is different from that of the pyromucic aldehyde (PA). From the UV-vis spectra dir...

2016
T. H. A. Corrêa J. N. F. Holanda

Calcium pyrophosphate (CPP) was prepared by a simple precipitation method using avian eggshell waste as a low-cost alternative calcium precursor source. The synthesized CPP powder was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM/EDS), thermogravimetric analysis (TGA), and Fourier transform infrared spectroscopy (FTIR). The results indicate that pure b-CPP nanocrys...

2015
V. Geetha T. Gomathi P. N. Sudha

Nowadays graphene based composites were developed due to their unique structure and excellent properties. Present study involves the preparation of graphene grafted chitosan and hydroxyapatite (GgCH) composite through solution casting method for biomedical applications. The prepared composite was characterised by FTIR, TGA, DSC XRD and SEM analysis. The formation of GgCH composite was confirmed...

2012

Breast cancer is one of the most frequent occurring cancers in women throughout the world including U.K. The grading of this cancer plays a vital role in the prognosis of the disease. In this paper we present an overview of the use of advanced computational method of fuzzy inference system as a tool for the automation of breast cancer grading. A new spectral data set obtained from Fourier Trans...

2015
R. Arivuselvi A. Ruban Kumar

A semiorganic crystal of zinc thiosemicarbazide sulfate (ZTSCS) has been grown aqueous solution by slow evaporation technique at room temperature. The material was subjected to various characterization techniques such as UV-Visible, non linear optical test, photoluminescence study, elemental analysis and Fourier transform infrared (FTIR) techniques. Cut off wavelength and band gap of the grown ...

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