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American Journal of Analytical Chemistry is a peer reviewed international journal dedicated to the latest advancement in analytical chemistry. The goal of this journal is to keep a record of the state-of-the-art research and to promote study, research and improvement within its various specialties. All manuscripts sub…
Junko Aida, Naotaka Izumiyama-Shimomura, Ken-ichi Nakamura, Naoshi Ishikawa, Masanori Terai, Yoko Matsuda, Shinsuke Aida, Tomio Arai, Kaiyo Takubo
Telomeres are nucleoprotein complexes located at the ends of eukaryotic chromosomes and are shorten with aging or various causes. Shortened telomere plays an important role for chromosomal instability in carcinogenesis, or a number of diseases in relation to…
Sung-Mo Jung
A quantitative analysis method of molybdenum in FeMo alloys by X-ray spectrometry using borate fusion technique was compared with that with pressed pellet. The complete pre-oxidation of FeMo alloys for the preparation of homogeneous fused discs was achieved b…
Takatomo Miura, Takashi Onodera, Shinya Endo, Atsuo Yamazaki, Takashiro Akitsu
This is a review article including our recent results and some previous photo functional hybrid system having potential applications for environmental ion sensing. We have prepared several new and known chiral Schiff base Zn(II) complexes and measured (and al…
Innocent Udom, Philip D. Myers, Manoj K. Ram, A. F. Hepp, Edikan Archibong, Elias K. Stefanakos, D. Yogi Goswami
The phenol photocatalytic degradation was investigated using heterogeneous catalyst Ag-doped ZnO nanowires under UV irradiation. Ag-ZnO nanowires were immobilized on borosilicate glass via a simple hydrothermal technique. Preliminary photodegradation studies…
P. B. N. Prasad, K. Satyanarayana, G. Krishnamohan
Present study was aimed to develop and validate a reverse-phase high-performance liquid chromatography method for simultaneous determination of sitagliptin phosphate and metformin hy-drochloride in a marketed formulation. The drug separation was performed on…
Sanders Junglee, Laurent Urban, Huguette Sallanon, Félicie Lopez-Lauri
Here, we present an optimization of colorimetric determination of hydrogen peroxide content in plants using potassium iodide. Our method is based on a one step buffer (extraction and reaction) for the determination of H 2 O 2 in different plant tissues and ov…
Aline Segnini, Alfredo Augusto Pereira Xavier, Pedro Luís Otaviani-Junior, Edilene Cristina Ferreira, Alex Marcel Watanabe, Marco Aurélio Sperança, Gustavo Nicolodelli, Paulino Ribeiro Villas-Boas, Patrícia Perondi Anchão Oliveira, Débora Marcondes Bastos Pereira Milori
Advanced field methods of carbon (C) analysis should now be capable of providing repetitive, sequential measurements for the evaluation of spatial and temporal variation at a scale that was previously unfeasible. Some spectroscopy techniques, such as laser-in…
Sandra Andrade, Horstpeter Herberto Ulbrich, Celso de Barros Gomes, Lucelene Martins
The laser ablation technique, coupled with the use of quadrupole ICPMS equipment, proved a powerful tool for determination of trace elements in minerals. At the University of S?o Paulo, the technique was implemented for the study of minerals such as olivines,…
Mohammad Faheem, Kelvin Lynn
The structural and thermal properties of yttrium-aluminum-gadolinium-gallium (Y 2.97 Gd 0.03 Al 2 Ga 3 O 12 ) single crystals doped with terbium (0.1%), cerium (0.01%) and co-doped with both terbium and cerium ((0.1, 0.01)%) were investigated. All samples wer…
Islay Lima Magalhães, Francisco Chagas Lima Pinto, Raimundo Braz Filho, Daniele Alves Ferreira, Telma Leda Gomes de Lemos, Francisco José Queiroz Monte
In a phytochemical investigation of Caesalpinia ferrea (Leguminosae), four aromatic compounds (1-4) have been isolated and identified. Their structures have been assigned based on data provided by spectroscopic techniques, including 2D NMR experiments. Compou…
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American Journal of Analytical Chemistry is a peer reviewed international journal dedicated to the latest advancement in analytical chemistry. The goal of this journal is to keep a record of the state-of-the-art research and to promote study, research and improvement within its various specialties. All manuscripts sub… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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