Analysis by square wave voltammetry
Eclet. Quím. vol.28 número2
... using square wave voltammetry and a static drop mercury ...followed by the transference of two ...the analysis of herbicide contamination ...
7
J. Braz. Chem. Soc. vol.26 número10
... flow analysis in which the solutions are continually pumped toward the ...detector). Square wave voltammetry (SWV) is an electrochemical technique which provides high sensitivity for the ...
6
J. Braz. Chem. Soc. vol.16 número4
... the square wave voltammetry method is suitable to determine concentrations of Cd, Pb and Ni in atmospheric particulate matter collected in the workplace of ...obtained by this method were not ...
7
Square wave voltammetry. Second part: applications.
... of square wave voltammetry published in the last five ...of square wave voltammetry, with different kinds of electrodes, for the determination of pesticides in natural waters and ...
8
Maternal environment on seed germination and viability in cowpea / Ambiente materno na germinação e viabilidade de sementes de feijão-caupi
... the analysis of variance shows that the germination of seeds of the different cultivars was not significantly influenced by the temperature regime imposed to the parent plant during seed formation and ...
11
STUDY ON THE PRESCHOOL CHILD’S MOTRICITY, AS AN EXPRESSION OF COMMUNICATION BY MEANS OF THE LANGUAGE OF MOVEMENTS
... The work methodology: The “ Pre)school child and motor activities” elaborated questionnaires comprised a number of 23 opinion, factual, filter and other types of questions. According to its name, the sample group ...
7
A Novel Technique to Perform Plating on Printed Circuit Board
... Typical pulse plating uses square wave currents alternating between forward and reverse. The duty cycle of the waveform depends on the forward current on-time and off-time (Yung et al., 2004). Here only ...
3
Homemade electrodes for voltammetry.
... Enche-se o corpo do eletrodo com solução saturada de KCl, valendo-se da seringa de 1 mL com uma ponteira de pipetador no lugar da agulha, ou de um conta-gotas de ponta longa e fina. Cuid[r] ...
4
Climatological studies of the quasi 16-day oscillations in the mesosphere and lower thermosphere at Yamagawa (31.2° N, 130.6° E), Japan
... 16-day wave is shown with a dashed horizontal ...The wave activity is more pronounced in the zonal component than the meridional ...periodogram analysis, we have es- timated the amplitudes of the ...
8
J. Braz. Chem. Soc. vol.20 número10
... A quantitative assay of gatiloxacin spiked in human serum was carried out by the described SW-AdCS voltammetric method without the necessity for samples pretreatment and /or time-consuming extraction steps prior ...
10
Manufacture, characterisation and analytical application of nanomaterials in sensor devices
... In general, pulse voltammetric techniques were devised for the purpose of correctingthedrawbacksofcurrentpolarography.Thefirstoneinbeingdeveloped was differential pulse polarography, and ...
95
Mat. Res. vol.18 suppl.1
... Figure 1 displays X-ray diffraction patterns and HRTEM images of as-cast and SPCJA-ed wires. Both XRD patterns consist of one broad diffused diffraction maximum, and these indicate that the microstructure of wires ...
5
Chi-square analysis of the reduction of ATP levels in L-02 hepatocytes by hexavalent chromium
... induced by toxic chemicals was closely associated with mitochondrial ...2 analysis of ATP level and cell viability of L-02 hepatocytes after treatment with hexavalent ...
7
J. Braz. Chem. Soc. vol.21 número4
... out by adsorptive accumulation at ...recorded by scanning the potential towards the negative direction using differential pulse, linear sweep or square wave ...performed by means of ...
11
Braz. J. Phys. vol.35 número4A
... Absolute intensities of excitation processes, either through photon absorption or electron impact, have been calculated for a long time. At the beginning of these type of calculations, empirical wave functions ...
10
Differentiation of Bacillus pumilus and Bacillus safensis using MALDI-TOF-MS.
... For MALDI-TOF-MS experiments, 2 m l of the filtrated microbial dilution were mixed with 2 m l of a 12-mg/ml a-cyano- 4-hydroxycinnamic acid (CHCA) (Sigma-Aldrich, St. Louis, MO) solution, prepared in 100% ACN ...
10
J. Braz. Chem. Soc. vol.22 número11
... flavonoids by 15% and 47%, ...electroactive by themselves with a reduction potential close to that of the investigated ...diminish by 7.5-15.5%. No interference was produced by glutaric acid, ...
9
J. Braz. Chem. Soc. vol.20 número2
... An addition and recovery study was performed by adding known amounts of standard solutions to a given sample followed by analysis using the proposed SWV method. The results presented in Table 1 show ...
7
Feature extraction of near-spherical fruit with partial occlusion for robotic harvesting
... The simplest solution to circle fitting is to compute the barycentre of the cluster of object region pixels (cluster barycentre method, CB) [16-18]. In this simple approach, the radius of the circle can be estimated as ...
11
Braz. J. Cardiovasc. Surg. vol.20 número1 en v20n1a14
... The LV diastolic dysfunction is very much prevalent in the general population. It is a significant prognostic indicator of several heart diseases, including AMI. Diastolic dysfunction is the incapacity of the ventricle ...
6