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Showing 13 to 24 of 211 entries
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Determination of ethylene glycol dinitrate in dynamites using HPLC: application to the plastic explosive Goma-2 ECO.

Journal of separation science

Sáiz J, Bravo JC, Velasco Ávila E, Torre M, García-Ruiz C.
PMID: 22052789
J Sep Sci. 2011 Dec;34(23):3353-8. doi: 10.1002/jssc.201100523. Epub 2011 Nov 03.

In this study, a sequential extraction method using water and methanol to recover ethylene glycol dinitrate or nitroglycol (EGDN) contained in Goma-2 ECO dynamite was developed. After, an HPLC method was used for the determination of EGDN in the...

Why is methenamine detected in Goma-2 dynamites originally methenamine free? An interpretation of relevant forensic results.

Forensic science international

Sáiz J, Ferrando JL, Atoche JC, García-Ruiz C.
PMID: 22005547
Forensic Sci Int. 2012 Mar 10;216(1):183-8. doi: 10.1016/j.forsciint.2011.09.017. Epub 2011 Oct 18.

After the train bombing in Madrid (Spain) on 11 March 2004, methenamine was detected in some of the specimens of Goma-2 ECO dynamite submitted to the forensic laboratories when analyzed by gas chromatography coupled with mass spectrometry detection (GC-MS)....

Determination of nitrocellulose by capillary electrophoresis with laser-induced fluorescence detection.

Analytica chimica acta

de la Ossa MÁ, Torre M, García-Ruiz C.
PMID: 22938620
Anal Chim Acta. 2012 Oct 01;745:149-55. doi: 10.1016/j.aca.2012.07.032. Epub 2012 Jul 27.

The industrial application of nitrocellulose depends on its nitrogen content. When nitrocellulose presents high nitrogen content is used in the manufacture of explosives whereas nitrocellulose with low nitrogen content is used to make a wide range of daily and...

Chemometric approaches for document dating: Handling paper variability.

Analytica chimica acta

Silva CS, Pimentel MF, Amigo JM, García-Ruiz C, Ortega-Ojeda F.
PMID: 30119741
Anal Chim Acta. 2018 Nov 15;1031:28-37. doi: 10.1016/j.aca.2018.06.031. Epub 2018 Jun 19.

A non-destructive methodology based on Fourier Transformed Infrared Spectroscopy (FTIR) is proposed in this research to estimate the age of documents of different ages. Due the variability in the samples caused by their different chemical compositions, chemometric approaches were...

Metabolic Reprogramming in the Heart and Lung in a Murine Model of Pulmonary Arterial Hypertension.

Frontiers in cardiovascular medicine

Izquierdo-Garcia JL, Arias T, Rojas Y, Garcia-Ruiz V, Santos A, Martin-Puig S, Ruiz-Cabello J.
PMID: 30159317
Front Cardiovasc Med. 2018 Aug 15;5:110. doi: 10.3389/fcvm.2018.00110. eCollection 2018.

A significant glycolytic shift in the cells of the pulmonary vasculature and right ventricle during pulmonary arterial hypertension (PAH) has been recently described. Due to the late complications and devastating course of any variant of this disease, there is...

The N-P-K soil nutrient balance of Portuguese cropland in the 1950s: The transition from organic to chemical fertilization.

Scientific reports

Carmo M, García-Ruiz R, Ferreira MI, Domingos T.
PMID: 28808244
Sci Rep. 2017 Aug 14;7(1):8111. doi: 10.1038/s41598-017-08118-3.

Agricultural nutrient balances have been receiving increasing attention in both historical and nutrient management research. The main objectives of this study were to further develop balance methodologies and to carry out a comprehensive assessment of the functioning and nutrient...

What proteomics can reveal about plant-virus interactions? Photosynthesis-related proteins on the spotlight.

Theoretical and experimental plant physiology

Souza PFN, Garcia-Ruiz H, Carvalho FEL.
PMID: 31355128
Theor Exp Plant Physiol. 2019 Mar;31(1):227-248. doi: 10.1007/s40626-019-00142-0. Epub 2019 Jan 22.

Plant viruses are responsible for losses in worldwide production of numerous economically important food and fuel crops. As obligate cellular parasites with very small genomes, viruses rely on their hosts for replication, assembly, intra- and intercellular movement, and attraction...

Interpreting the near infrared region of explosives.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Zapata F, Ferreiro-González M, García-Ruiz C.
PMID: 29906648
Spectrochim Acta A Mol Biomol Spectrosc. 2018 Nov 05;204:81-87. doi: 10.1016/j.saa.2018.06.002. Epub 2018 Jun 07.

The NIR spectra from 1000 to 2500 nm of 18 different explosives, propellant powders and energetic salts were collected and interpreted. NIR spectroscopy is known to provide information about the combination bands and overtones of highly anharmonic vibrations as...

Synthesis of zeolite membranes on calcium silicate support and their bioactive response.

Progress in biomaterials

Medina-Ramírez A, Flores-Díaz AA, Ruiz Camacho B, García-Ruiz G.
PMID: 29428997
Prog Biomater. 2018 Mar;7(1):61-71. doi: 10.1007/s40204-018-0085-2. Epub 2018 Feb 10.

The synthesis of calcium silicate supported zeolite membrane was carried out by second growth method. The chemical nature of the functionalizing agent on the formation of homogenous zeolite membrane was evaluated. One monomer and two cationic polymers were used:...

A crystallographic study of crystalline casts and pseudomorphs from the 3.5 Ga Dresser Formation, Pilbara Craton (Australia).

Journal of applied crystallography

Otálora F, Mazurier A, Garcia-Ruiz JM, Van Kranendonk MJ, Kotopoulou E, El Albani A, Garrido CJ.
PMID: 30100827
J Appl Crystallogr. 2018 Jul 05;51:1050-1058. doi: 10.1107/S1600576718007343. eCollection 2018 Aug 01.

Crystallography has a long history of providing knowledge and methods for applications in other disciplines. The identification of minerals using X-ray diffraction is one of the most important contributions of crystallography to earth sciences. However, when the crystal itself...

Identification of 2C-B in Hair by UHPLC-HRMS/MS. A Real Forensic Case.

Toxics

Matey JM, López-Fernández A, García-Ruiz C, Montalvo G, Zapata F, Martínez MA.
PMID: 34357913
Toxics. 2021 Jul 15;9(7). doi: 10.3390/toxics9070170.

The analysis of drugs of abuse in hair and other biological matrices of forensic interest requires great selectivity and sensitivity. This has been traditionally achieved through target analysis, using one or more analytical methods that include different preanalytical stages,...

Acquired thrombotic thrombocytopenic Purpura diagnosed during first trimester of pregnancy with excellent outcome after plasma exchange and rituximab, a case report.

Clinical case reports

Arzuaga-Mendez J, Moreno M, Mateos-Mazón JJ, Vara M, Dueñas M, Del Orbe RA, Amutio E, Arrizabalaga B, García-Ruiz JC.
PMID: 33768832
Clin Case Rep. 2021 Feb 02;9(3):1304-1306. doi: 10.1002/ccr3.3752. eCollection 2021 Mar.

Acquired thrombotic thrombocytopenic purpura is a life-threatening condition that rarely presents during pregnancy. Early diagnosis and treatment with plasma exchange is needed to achieve a good pregnancy outcome.

Showing 13 to 24 of 211 entries