Three different techniques to reconstruct 3D view of SEM images by using only free available software

Brimas, Edvardas; Skaudžius, Ramūnas; Brimas, Gintautas; Selskis, Algirdas; Ramanauskas, R.; Kareiva, Aivaras

doi:10.6001/chemija.v33i1.4658

Cited by 2 publications

(2 citation statements)

References 22 publications

(25 reference statements)

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“…The morphology by scanning electron microscopy (SEM) of the adipose samples was investigated in several studies [14,79,129,130]. The adipose tissue was taken from volunteer obese patients from subcutaneous, preperitoneal and visceral layers of adipose tissue (Fig.…”

Section: Scanning Electron Microscopy (Sem)mentioning

confidence: 99%

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Analytical methods used for the characterisation of specific features of biological tissues related with obesity: A review

Brimas¹,

Raudonis²,

Kareiva³

2022

chemija

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Obesity has become a global pandemic, leading to the development of many common disorders, such as type 2 diabetes, metabolic syndrome and cardiovascular diseases, and even increases the risk of several cancers. The adipose tissue of obese patients was characterised as a tissue microenvironment composed of adipose tissue macrophages, precursor and hypertrophic adipocytes, and other immune cells that predominantly produce pro-inflammatory cytokines for chronic, low-grade inflammation. In this study, several analytical techniques, such as gas and liquid chromatography, Fourier transform infrared (FTIR) and Raman spectroscopies, nuclear magnetic resonance (NMR) spectroscopy, scanning electron microscopy (SEM) and elemental analysis, were discussed as the main tools used for the characterisation of adipose tissue samples. The emphasis was focused on the relation between the obtained results which provide information about the chemical and structural composition of adipose tissue layers in the human body, as well as main microstructural features and obesity. It was demonstrated that these methods are indispensable tools in order to investigate some special features of human adipose tissue, identifying chemical composition and structural features. Moreover, the summarised results let us to conclude that such characterisation of adipose tissue is an essential step for the possible prediction of the appearance of symptoms of different diseases.

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Section: Scanning Electron Microscopy (Sem)mentioning

confidence: 99%

“…12). Besides, three different techniques were tested to construct the 3D view from the SEM images of adipose tissue [130]. The 3D reconstructed model by VisualSFM and MeshLab free available software gave the best and the most promising results.…”

Section: Scanning Electron Microscopy (Sem)mentioning

confidence: 99%

Analytical methods used for the characterisation of specific features of biological tissues related with obesity: A review

Brimas¹,

Raudonis²,

Kareiva³

2022

chemija

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Effect of Precursor Solvent on the Carbon Micro-Structures Derived from Spray Pyrolysis of Pine Resin (Gondorukem): Preliminary Study

Jayadi,

Widayatno,

Wismogroho

et al. 2024

Jurnal Sains Materi Indonesia

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Carbon materials have been widely used in various fields. This study aimed to produce carbon using spray pyrolysis with pine resin (gondorukem) as the precursor and different solvents, namely gondorukem-acetone (GAC), gondorukem-ethyl acetate (GEA), and gondorukem-dichloromethane (GDC). The precursor was prepared in a 1:8 (m/v) ratio, and the spray pyrolysis method was employed by heating the atomized precursor solution in the heating zone of a tube furnace. The atomization precursor was infused with nitrogen gas at a rate of 1 l/min with furnace temperature set at 1000°C with heating times of 5, 10, and 20 mins. The carbonaceous materials produced from the pyrolysis were collected on the wire mesh 1000 that was put on a stainless pipe. Carbon that has been coated on the wire mesh 1000 was analyzed using the optical microscope (OM). The physical properties and morphology of the synthesized carbonaceous material were analyzed using field emission scanning electron microscopy (FE-SEM), Fourier-transform infrared spectroscopy (FTIR), Raman, and Brunaur-Emmett-Teller (BET). Based on FE-SEM analysis, the particle size of the GAC sample has an average of 283.58 nm and the highest carbon content, which reached an average of 97.312 At%. GAC samples had the lowest disorder properties in the Raman spectroscopy test, with the value of ID/IG reaching 0.795764. The functional groups observed were C–H stretching at 2920.49 cm-1, N–H bending at 1629.07 cm-1, and C–O stretching at 1159.70 cm-1. Based on carbon content, disorder properties, and functional group stabilization, carbon from the GAC precursor provides the ideal characteristics to be used as a filter material in medical masks. Meanwhile, based on BET testing, the carbon materials from GEA have the ideal material morphological properties to be used as a filter in medical masks. Spray pyrolysis is an efficient method for producing carbon materials, and the use of gondorukem as the precursor shows great potential for various applications.

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Three different techniques to reconstruct 3D view of SEM images by using only free available software

Cited by 2 publications

References 22 publications

Analytical methods used for the characterisation of specific features of biological tissues related with obesity: A review

Analytical methods used for the characterisation of specific features of biological tissues related with obesity: A review

Effect of Precursor Solvent on the Carbon Micro-Structures Derived from Spray Pyrolysis of Pine Resin (Gondorukem): Preliminary Study

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