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2012 Forthcoming Papers
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Table
of Contents with Graphical Abstracts
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2012 Forthcoming Papers
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Articles online for the Regular Issue
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Physicochemical Factors Governing the Partition of Pramipexole
and Its Five Impurities in Microemulsion Liquid Chromatographic
Systems
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| Ana M. Vemic, Andelija M. Malenovic, Tijana M. Rakic, Nada M. Kostic, Biljana S. Jancic-Stojanovic, Darko P. Ivanovic and Mirjana B. Medenica |
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Article
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| Influences of microemulsion droplet properties and column lipophylicity on partition behavior of pramipexole and its five impurities |
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PDF (1,08 MB)
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DOI
S0103-505320120050000079
Published
online: December
7,
2012
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Determination of Glucocorticoids using Cosurfactants Ultrasonic-
Thermostatic-Assisted Cloud Point Extraction Followed by HPLC |
| Hui Qin, Gao Feng Li, Nan Chen and Ya Ling Yang |
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Article
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| 2 mL of the solution containing different concentrations of BD, HB and NPP →2.5 mL of DC-193 stock solution and 1mL of nonanoic acid added →standing for 5 min →incubated into ultrasonic-thermostatic bath at 65 °C for 30 min→centrifugation for 3 min at 4000 rpm → achieving a final volume of 0.5 mL by adding acetonitrile →injected into the HPLC system |
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PDF (667 KB)
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DOI
S0103-505320120050000080
Published
online: December
7,
2012
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Quantitative Approach to Glucocorticosteroids Analysis in
Human Urine using LC-MS/MS
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Renata F. Soares, Amanda L. D. de Araújo, Juliana de
L. Castro, Luis Nelson L. F. Gomes, Henrique M. G. Pereira and Francisco R. de Aquino Neto |
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Article
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| Urinary excretion profile of prednisolone and prednisone after oral administration of prednisolone. The concentration of 30 ng mL-1 is the parameter used to establish an adverse analytical finding to exogenous glucocorticosteroids |
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PDF (1,24 MB) /Supplementary
Information (220 KB)
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DOI
S0103-505320120050000081
Published
online: December
7,
2012
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The Violacein Biosynthesis Monitored by Multi-Wavelength Fluorescence
Spectroscopy and by the PARAFAC Method
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| Clecio Dantas, Pedro L. O. Volpe, Nelson Durán and Márcia M. C. Ferreira |
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Article
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| Combining multi-wavelength fluorescence spectroscopy and the PARAFAC method to link the information obtained from spectral resolution to a biosynthetic pathway |
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PDF (2,53 MB)
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DOI
S0103-505320120050000083
Published
online: December
5,
2012
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Interactions between Activin-Like Kinase 5 (ALK5) Receptor
and its Inhibitors and the Construction of a Docking Descriptor-Based
QSAR Model
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| Malihe Ebrahimi, Taghi Khayamian and Sajjad Gharaghani |
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Article
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| Docking studies showed that hydrophobic and H-bond interactions are the key factors in the interactions between ALK5 and its inhibitors. Descriptors emerging from docking and molecular structure were used in structure-based QSAR model |
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PDF (2,68 MB)
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DOI
S0103-505320120050000082
Published
online: December
5,
2012
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Regional Assessment of Sewage Contamination in Sediments of
the Iguaçu and
the Barigui Rivers (Curitiba City, Paraná, Southern Brazil) using Fecal Steroids |
| Lucas Puerari, Renato S. Carreira, Artur C. B. Neto, Lilian C. lbarello and Fabiana D. C. Gallotta |
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Article
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| An evaluation of the contamination by sewage in sediments on a regional scale was performed in the Iguaçu River by considering sterols as indicators. Domestic effluents and manure from rural areas are the main source of contamination. The release of untreated sewage may pose a threat to river health during periods of small river water flow |
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PDF (597 KB)
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DOI
S0103-505320120050000078
Published
online: November
30,
2012
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New Neolignans from Krameria tomentosa A. St.-Hil
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Sara A. L. Madeiro, Hellane F. S. de Lucena, Caroline D. Siqueira,
Marcelo C. Duarte, Raimundo Braz-Filho, José M. Barbosa Filho, Marcelo S. da Silva and Josean F. Tavares |
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Article
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| Two new neolignans 1,1'-(E)-propenyl-4-methoxy-3,4'-oxyneolignan (ottomentosa) and 5-acid-2-(2'-hydroxy-4',6'-dimethoxyphenyl)-benzofuran (sobraline), together with three known neolignans, were isolated from the roots of Krameria tomentosa A. St.-Hil |
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PDF (382 KB) /Supplementary
Information (1,36 MB)
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DOI
S0103-505320120050000077
Published
online: November
30,
2012
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The Influence of GC/AT Composition on Intercalating and Semi-Intercalating
Binding of Ethidium Bromide to DNA
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| Poghos O. Vardevanyan, Ara P. Antonyan, Marine A. Parsadanyan, Mariam A. Shahinyan, Lilit A. Hambardzumyan, Margarita A. Torosyan and Armen T. Karapetian |
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Article
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| Semi-intercalating binding of EtBr occurs along with the ordinary intercalation |
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PDF (332 KB)
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DOI
S0103-505320120050000076
Published
online: November
30,
2012
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Prediction of Microdialysis Relative Recovery of Flavone Derivatives
Based on Molecular Descriptors |
| Shuyu Zhan, Jianping Huang, Qing Shao, Xiaohui Fan and Wenjing Guo |
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Article
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| Establish stable and predictive models of multiple linear regression (MLR) and support vector machine (SVM) to predict microdialysis relative recovery of flavone derivatives based on molecular descriptors |
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PDF (978 KB)
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DOI
S0103-505320120050000074
Published
online: November
30,
2012
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A Sensitive Fluorescent Assay for Trypsin Activity in Biological
Samples
using BSA-Au Nanoclusters |
| Xianxiang Wang, Yanying Wang, Hanbing Rao and Zhi Shan |
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Article
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| A novel fluorescence analysis method based on trypsin digestion of the protein template of BSA-stabilized Au nanoclusters for sensitive and selective detection of trypsin activity was developed in this work. The methods are utilized potentially for determination of other proteases in clinical diagnostics of various diseases |
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PDF (444 KB)
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DOI
S0103-505320120050000075
Published
online: November
27,
2012
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Chemoface: a Novel Free User-Friendly Interface for Chemometrics
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| Cleiton A. Nunes, Matheus P. Freitas, Ana Carla M. Pinheiro and Sabrina C. Bastos |
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Article
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| Chemoface is a free computational tool with user-friendly graphical interface, which is able to work with chemometric methods related to experimental design, pattern recognition, classification and multivariate calibration |
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PDF (2,87 MB)
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DOI
S0103-505320120050000073
Published
online: November
23,
2012
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Synthesis and Field Evaluation of Synthetic Blends of the
Sex Pheromone of Crocidosema aporema (Lepidoptera:
Tortricidae) in Soybean
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| Andrés González, Paula Altesor, Leticia Alves, Paola Liberati, Horacio Silva, Juan Ramos, Ignacio Carrera, David González, Gustavo Seoane, Carmen Rossini, Enrique Castiglioni and Daniela Gamenara |
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Article
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| The sex pheromone of the tortricid soybean pest, Crocidosema aporema, was synthesized from 2-pentynol and 1,7-heptanediol, and male captures with different pheromone blends were field-evaluated for the development of pheromone monitoring traps |
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PDF (364 KB) /Supplementary
Information (3,12 MB)
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DOI
S0103-505320120050000072
Published
online: November
14,
2012
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A Multi-Syringe Flow System for Monitoring Moderately Fast
Chemical Reactions
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| Víctor Cerdà, Carlos Ubide and Juan Zuriarrain |
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Article
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| The bromine generation and the bromine-salicylic acid reactions have been used for validation of MSFIA in the zone stopping mode. The performance of the technique stays between those of FIA and the classical stopped-flow technique |
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PDF (1,22 MB) /Supplementary
Information (888 KB)
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DOI
S0103-505320120050000069
Published
online: November
9,
2012
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Iron(III) Chloride Catalyzed Glycosylation
of Peracylated Sugars with Allyl/ Alkynyl Alcohols
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Senthil Narayanaperumal, Rodrigo César da Silva, Julia
L. Monteiro, Arlene G. Corrêa and Márcio W. Paixão |
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Article
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| The cost-effective ferric chloride showed to be an efficient catalyst for the glycosylation of sugars with allyl and alkynyl alcohols, thus leading to the corresponding glycosides in moderate to good yields. Salient features of this simple method include non-hazardous reaction conditions, low-catalyst loading, good yields and high anomeric selectivity |
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PDF (352 KB) /Supplementary
Information (924 KB)
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DOI
S0103-505320120050000070
Published
online: November
6,
2012
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Regiospecific Synthesis of New Fatty N-Acyl Trihalomethylated
Pyrazoline
Derivatives from Fatty Acid Methyl Esters (FAMEs) |
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Paulo Beck, Juliane M. dos Santos, Bruna L. Kuhn, Dayse das
N. Moreira, Alex F. C. Flores, Marcos A. P. Martins, Marcelo G. M. D'Oca and Luciana A. Piovesan |
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Short
Report
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| An efficient and regiospecific route to new fatty N-acyl trihalomethylated pyrazoline derivatives from FAMEs (fatty acid methyl esters) was developed |
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PDF (311 KB) /Supplementary
Information (2,88 MB)
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DOI
S0103-505320120050000071
Published
online: November
6,
2012
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Physicochemical and Morphological Characterizations of
Glyceryl Tristearate/ Castor Oil Nanocarriers Prepared by
the Solvent Diffusion Method
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| Cristiana L. Dora, Jean-Luc Putaux, Isabelle Pignot-Paintrand, Frédéric Dubreuil, Valdir Soldi, Redouane Borsali and Elenara Lemos-Senna |
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Article
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| Structural characterizations of drug lipid nanocarriers made from castor oil (CO) and tristearin (TS). NE: nanoemulsions, NLC: nanostructured lipid carriers, SLN: solid nanocarriers |
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PDF (3,01 MB)
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DOI
S0103-505320120050000066
Published
online: October
30,
2012
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