Search Results - "RAIMUNDO, I. M"

Heating stability, physical and chemical analysis of calcium silicate‐based endodontic sealers by Antunes, T. B. M., Janini, A. C. P., Pelepenko, L. E., Abuna, G. F., Paiva, E. M., Sinhoreti, M. A. C., Raimundo, I. M., Gomes, B. P. F. A., de‐Jesus‐Soares, A., Marciano, M. A.

“…Aim To evaluate possible modifications in root canal sealers subjected to a variety of heating conditions using vibrational spectroscopy and analysis of…”
Get full text

iHWG-μNIR: a miniaturised near-infrared gas sensor based on substrate-integrated hollow waveguides coupled to a micro-NIR-spectrophotometer by Rohwedder, J J R, Pasquini, C, Fortes, P R, Raimundo, I M, Wilk, A, Mizaikoff, B

“…A miniaturised gas analyser is described and evaluated based on the use of a substrate-integrated hollow waveguide (iHWG) coupled to a microsized near-infrared…”
Get more information

Automated monosegmented flow analyser. Determination of glucose, creatinine and urea by Raimundo Júnior, I M, Pasquini, C

“…An automated monosegmented flow analyser containing a sampling valve and a reagent addition module and employing a laboratory-made photodiode array…”
Get more information

An organopalladium-PVC membrane for sulphur dioxide optical sensing by Alves, Flávia L., Raimundo, Ivo M., Gimenez, Iara F., Alves, Oswaldo L.

“…The development of a sensing membrane for the determination of gaseous sulphur dioxide is described. An organopalladium complex, Pd 2(dpm) 2Cl 2…”
Get full text

Synchrotron radiation X-Ray fluorescence at the LNLS: beamline instrumentation and experiments by Pérez, Carlos A., Radtke, Martin, Sánchez, Héctor J., Tolentino, Helio, Neuenshwander, Regis T., Barg, William, Rubio, Marcelo, Bueno, María Izabel Silveira, Raimundo, Ivo M., Rohwedder, Jarbas J. R.

“…The x‐ray fluorescence beamline of the Laboratorio Nacional de Luz Síncrotron (LNLS) is described. The main optical component of the beamline is a silicon…”
Get full text

Automation of a plane grating spectrograph by BELLATO, C. R, ROHWEDDER, J. J. R, RAIMUNDO, I. M, PASQUINI, C

Get full text

Signal-to-noise optimization and evaluation of a home-made visible diode-array spectrophotometer by RAIMUNDO, I. M, PASQUINI, C

“…This paper describes a simple low-cost multichannel visible spectrophotometer built with an RL512G EGG-Reticon photodiode array. A symmetric Czerny-Turner…”
Get full text

Simultaneous multiple injection in monosegmented flow analysis by Brito, Vanessa O., Raimundo, Ivo M.

“…A flow approach for simultaneous multiple injection (SMI) in monosegmented flow analysis (MSFA) is described. In this approach, the sample and the reagent (or…”
Get full text

Sampling strategies in sequential injection analysis: Exploiting the monosegmented-flow approach by Vieira, Jonas A, Raimundo, Jr, Ivo M, Reis, Boaventura F, Zagatto, Elias A.G, Lima, José L.F.C

“…An evaluation of different sampling techniques employing sequential injection analysis (SIA) is described. The reaction between Fe(II) and 1,10-phenanthroline,…”
Get full text

Improving the detection limits of near infrared spectroscopy in the determination of aromatic hydrocarbons in water employing a silicone sensing phase by Lima, Kássio M.G., Raimundo, Ivo M., Pimentel, M. Fernanda

“…This work describes the use of a silicone sensing phase for the detection of aromatic hydrocarbons in water employing near infrared spectroscopy and the…”
Get full text

Effect of plasticizers on a PVC sensing phase for evaluation of water contamination by aromatic hydrocarbons and fuels using infrared spectroscopy by Silva, Andréa Monteiro Santana, Pimentel, Maria Fernanda, Raimundo, Ivo M., Almeida, Yeda M.B.

“…The effects of di-2-ethylhexylsebacate (DOS), di-2-ethylhexylphthalate (DOP) and 2-nitro-phenyl-octylether (NPOE) plasticizers on a PVC sensing phase for…”
Get full text

Simultaneous multiple injection to perform titration and standard addition in mono-segmented flow analysis by Assali, M, Raimundo, Jr, I M, Facchin, I

“…An automated system to perform titration and standard addition in monosegemented flow analysis by employing the simultaneous multiple injection is described…”
Get full text

Cholesteric liquid crystals for detection of organic vapours by Winterbottom, Daniel A., Narayanaswamy, Ramaier, Raimundo, Ivo M.

“…Studies on the use of cholesteric liquid crystals (CLCs) as sensing phase for detection of organic vapours in air are described. Stock solutions of 1.0% (w/v)…”
Get full text

Simultaneous determination of Zn(II), Cd(II) and Hg(II) in water by Raimundo, Ivo M., Narayanaswamy, R.

“…The use of artificial neural networks (ANNs) as a tool for simultaneous determination of Zn(II), Cd(II) and Hg(II) in water has been investigated, by employing…”
Get full text

A multichannel photometer based on an array of light emitting diodes for use in multivariate calibration by Fonseca, Alexandre, Raimundo, Ivo M.

“…The development of a multichannel photometer based on an array of eight light emitting diodes (LED) as light sources is described. Optical fibre bundles were…”
Get full text

Simultaneous determination of relative humidity and ammonia in air employing an optical fibre sensor and artificial neural network by Raimundo, Ivo M., Narayanaswamy, R.

“…The simultaneous determination of ammonia and relative humidity (RH) in air employing an optical fibre chemical sensor based on a nafion-crystal violet…”
Get full text

Portable flow-injection analyzer with liquid-core waveguide based fluorescence, luminescence, and long path length absorbance detector by Li, Qingyang, Morris, Kavin J, Dasgupta, Purnendu K, Raimundo, Ivo M, Temkin, Henryk

“…We describe a multifunctional flow analysis instrument that is portable ( 25 cm×20 cm×11 cm, 2.3 kg) for facile field deployment. Using a 50 cm long Teflon ®…”
Get full text

Construction and evaluation of an optical pH sensor based on polyaniline–porous Vycor glass nanocomposite by Sotomayor, Pilar T., Raimundo, Ivo M., Zarbin, Aldo J.G., Rohwedder, Jarbas J.R., Neto, Graciliano Oliveira, Alves, Oswaldo L.

“…This work describes the preparation of a polyaniline (Pani)–porous Vycor glass (PVG) nanocomposite and its use as sensing phase in an optical fibre pH sensor…”
Get full text

Optical Sensor for Sulfur Dioxide Determination in Wines by Silva, Karime R. B, Raimundo, Ivo M, Gimenez, Iara F, Alves, Oswaldo L

“…A method for the determination of free and total sulfur dioxide in wines, based on the use of an optical sensor that employs a…”
Get full text

A strategy for selecting calibration samples for multivariate modelling by Filho, Heronides Adonias Dantas, Galvão, Roberto Kawakami Harrop, Araújo, Mário Cesar Ugulino, da Silva, Edvan Cirino, Saldanha, Teresa Cristina Bezerra, José, Gledson Emidio, Pasquini, Celio, Milton Raimundo, Ivo, Rohwedder, Jarbas José Rodrigues

“…A sample selection strategy based on the Successive Projections Algorithm (SPA), which is a technique originally developed for variable selection, is proposed…”
Get full text