New protocol for the isolation of nitrocellulose from gunpowders: Utility in their identification

Lopez‐López, María; Ossa, María Ángeles Fernández de la; Galindo, Jorge Saiz; Ferrando, Jose Luis; Vega, Alfonso García de la; Torre, M.; García-Ruiz, Carmen

doi:10.1016/j.talanta.2010.03.033

Cited by 43 publications

(19 citation statements)

References 13 publications

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“…This is clearly observed from Fourier transform infra-red spectroscopy (FTIR), where we can see the substitution of the OH groups by the nitrate groups (figure 2). Three intense bands, due to the different vibrations of the nitrate group, are observed at around 1660 cm −1 (antisymmetric NO 2 stretching), 1280 cm −1 (symmetric NO 2 stretching), and 840 cm −1 (valence NO stretching) [17]. Comparing cellulose and nitrocellulose FTIR spectra, another change is visible in the frequency range between 3400 and 3500 cm −1 , a decrease in the intensity corresponding to the OH group.…”

Section: Paper: An Ideal Materials For Bioassays?mentioning

confidence: 92%

A low cost, safe, disposable, rapid and self-sustainable paper-based platform for diagnostic testing: lab-on-paper

et al. 2014

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There is a strong interest in the use of biopolymers in the electronic and biomedical industries, mainly towards low-cost applications. The possibility of developing entirely new kinds of products based on cellulose is of current interest, in order to enhance and to add new functionalities to conventional paper-based products. We present our results towards the development of paper-based microfluidics for molecular diagnostic testing. Paper properties were evaluated and compared to nitrocellulose, the most commonly used material in lateral flow and other rapid tests. Focusing on the use of paper as a substrate for microfluidic applications, through an eco-friendly wax-printing technology, we present three main and distinct colorimetric approaches: (i) enzymatic reactions (glucose detection); (ii) immunoassays (antibodies anti-Leishmania detection); (iii) nucleic acid sequence identification (Mycobacterium tuberculosis complex detection). Colorimetric glucose quantification was achieved through enzymatic reactions performed within specific zones of the paper-based device. The colouration achieved increased with growing glucose concentration and was highly homogeneous, covering all the surface of the paper reaction zones in a 3D sensor format. These devices showed a major advantage when compared to the 2D lateral flow glucose sensors, where some carryover of the coloured products usually occurs. The detection of anti-Leishmania antibodies in canine sera was conceptually achieved using a paper-based 96-well enzyme-linked immunosorbent assay format. However, optimization is still needed for this test, regarding the efficiency of the immobilization of antigens on the cellulose fibres. The detection of Mycobacterium tuberculosis nucleic acids integrated with a non-cross-linking gold nanoprobe detection scheme was also achieved in a wax-printed 384-well paper-based microplate, by the hybridization with a species-specific probe. The obtained results with the above-mentioned proof-of-concept sensors are thus promising towards the future development of simple and cost-effective paper-based diagnostic devices.

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Section: Paper: An Ideal Materials For Bioassays?mentioning

confidence: 92%

A low cost, safe, disposable, rapid and self-sustainable paper-based platform for diagnostic testing: lab-on-paper

et al. 2014

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“…1E). In the region of high frequencies of the spectra, peaks of residual hydroxyl groups were observed at around 3600-3400 cm −1 (De la Ossa, López-López, Torre, & García-Ruiz, 2011;Lopez-Lopez et al, 2010).…”

Section: Characterization By Water Contact Angle and Ftirmentioning

confidence: 99%

Nano-porous nitrocellulose liquid bandage modulates cell and cytokine response and accelerates cutaneous wound healing in a mouse model

Zhang

et al. 2016

Carbohydrate Polymers

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“…Nitrogen content is considered as a key factor that influences the features and performance of NC and determines its application . Hence, NC with nitrogen amount lower than 12% is widely employed in the areas of membranes, coating, magnetic filtration, biosensors, and printing; whereas NC with nitrogen amount higher than 12% has received applications in the manufacture of energetic materials such as smokeless powders, solid propellants, and gas generator formulations …”

Section: Introductionmentioning

confidence: 99%

A Promising Energetic Polymer from Posidonia oceanica Brown Algae: Synthesis, Characterization, and Kinetic Modeling

Tarchoun

Trache

Klapötke

et al. 2019

Macro Chemistry & Physics

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In this study, microcrystalline cellulose nitrate (MCCN) as energetic polymer is successfully obtained from Posidonia oceanica brown algae (POBA). Fourier transform infrared spectroscopy (FTIR) results show alterations in the intensities of some absorption bands, suggesting a significant difference in the chemical structure between microcrystalline cellulose and the emergent MCCN samples. X‐ray diffraction (XRD) measurements indicate that MCCNs are more crystalline than conventional nitrocellulose (NC). According to scanning electron microscopy (SEM), both NC and MCCN reveal a compact structure and a rough surface. Differential scanning calorimetry (DSC) displays that the thermal degradation of MCCNs shifts to lower temperatures compared to the respective NCs. Furthermore, in comparison with NC samples, MCCN samples exhibit high density, high nitrogen content, low viscosity‐average molecular weight, and good thermal stability. On the other hand, kinetic modeling based on DSC data is carried out by isoconversional integral methods to determine Arrhenius parameters and the decomposition mechanisms. It is found that MCCNs present lower activation energies than conventional NCs with a decrease of ≈6%. Finally, this work opens a new pathway to prepare MCCN from POBA, and it is expected to have applications in several areas such as propellants, energetic binders, and gas generators.

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New protocol for the isolation of nitrocellulose from gunpowders: Utility in their identification

Cited by 43 publications

References 13 publications

A low cost, safe, disposable, rapid and self-sustainable paper-based platform for diagnostic testing: lab-on-paper

A low cost, safe, disposable, rapid and self-sustainable paper-based platform for diagnostic testing: lab-on-paper

Nano-porous nitrocellulose liquid bandage modulates cell and cytokine response and accelerates cutaneous wound healing in a mouse model

A Promising Energetic Polymer from Posidonia oceanica Brown Algae: Synthesis, Characterization, and Kinetic Modeling

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