Reset
Showing 20 of 9,867 academic articles

Identification of Lichen Based on Substrate in Bale Village, Tanantovea District, Donggala Regency

Adrian Adrian, Lilies Lilies, Lestari MP Alibasyah, Bustamin Bustamin et al. • Biology, Medicine & Natural Product Chemistry (2026)

Lichens are associations between fungi and photosynthetic symbionts, such as algae or cyanobacteria, that form stable and specialized thallus structures. The fungi that predominantly compose the lichen body belong to the Ascomycetes, while ...

DOAJ Open Access (DOAJ) DOI: 10.14421/biomedich.2026.151.605-611

1H High Resolution Magic-Angle Coil Spinning (HR-MACS) µNMR Metabolic Profiling of whole Saccharomyces cervisiae cells: A Demonstrative Study

Alan eWong, Celine eBoutin, Pedro M Aguiar • Frontiers in Chemistry (2014)

The low sensitivity of Nuclear Magnetic Resonance (NMR) is its prime shortcoming compared to other analytical methods for metabolomic studies. It relies on large sample volume (30–50 µl for HR-MAS) for rich metabolic profiling, hindering hi...

DOAJ Open Access (DOAJ) DOI: 10.3389/fchem.2014.00038

Glass-fiber catalysts for selective catalytic reduction of nitrogen oxides by CO and hydrocarbons

K. Golyashova, N. Glazov, S. Lopatin, A. Zagoruiko • Catalysis Communications (2023)

Glass-fiber catalysts (GFCs) are investigated in the process of the catalytic reduction of nitrogen oxides by hydrocarbons and carbon monoxide contained in waste and flue gases. Studies show that the platinum-based GFCs prepared by surface ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.catcom.2023.106765

Characterization of thermally treated polypropylene powders with wide sintering window for powder bed fusion of polymers

Xiaodi Gong, Xia Gao, Ning Yu, Daijun Zhang et al. • Polymer Testing (2021)

One key issue restricting semi-crystalline polymers to be widely applied in powder bed fusion (PBF) of polymers is lack of good powder processability, especially a wide sintering window. In this work, a thermal treatment method with mixed d...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.polymertesting.2021.107078

Physicochemical characterization and source apportionment of Arctic ice-nucleating particles observed in Ny-Ålesund in autumn 2019

G. Li, E. K. Wilbourn, Z. Cheng, J. Wieder et al. • Atmospheric Chemistry and Physics (2023)

Ice-nucleating particles (INPs) initiate primary ice formation in Arctic mixed-phase clouds (MPCs), altering cloud radiative properties and modulating precipitation. For atmospheric INPs, the complexity of their spatiotemporal variations, h...

DOAJ Open Access (DOAJ) DOI: 10.5194/acp-23-10489-2023

A STRAIGHTFORWARD SYNTHESIS OF NOVEL 1,3,5-TRIAZINE-BASED MACROCYCLIC SCAFFOLDS

Cosmin V. CRIŞAN, Niculina D. HĂDADE, Ion GROSU, Andreea P. CRIŞAN et al. • Studia Universitatis Babes-Bolyai Chemia (2020)

The synthesis and structural investigation of a series of three macrocycles bearing 2,4,6-tris(p-phenylene)-1,3,5-triazine central units and oligoethyleneoxide bridges are reported. The approach implied the synthesis of non-symmetrical 1,3,...

DOAJ Open Access (DOAJ) DOI: 10.24193/subbchem.2020.3.13

A comparative life cycle assessment of viscose fibers derived from cotton, wood, and bamboo pulp

Luna He, Nannan Hou, Rong Li • Industrial Crops and Products (2025)

In this work, a life cycle assessment (LCA) approach was employed to evaluate the environmental impact of viscose fibers made from cotton, wood and bamboo pulp, in accordance with the ISO 14040 standard. Utilizing SimaPro 9.5.0 software, th...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.indcrop.2025.122267

Sophorolipids Production from Oil Cake by Solid-State Fermentation. Inventory for Economic and Environmental Assessment

Alejandra Rodríguez, Teresa Gea, Xavier Font • Frontiers in Chemical Engineering (2021)

Biosurfactants are being proposed as a substitute for surfactants in the framework of a circular economy strategy. Sophorolipids (SL) are a type of biosurfactant produced by yeast that can be produced through submerged or solid-state fermen...

DOAJ Open Access (DOAJ) DOI: 10.3389/fceng.2021.632752

Hornification in Commercial Chemical Pulps: Dependence on Water Removal and Hornification Mechanisms

Björn Sjöstrand, Carl-Anton Karlsson, Christophe Barbier, Gunnar Henriksson • BioResources (2023)

Understanding cellulose hornification provides crucial information regarding drying of pulp, paper, and other cellulosic materials as well as recycling them. By measuring drainage, fiber width, and water retention value of hardwood and soft...

DOAJ Open Access (DOAJ)

Preparation of Solid Superacid SO42-/ZnO-TiO2 and Its Action on Synthesis of Dimethyl Carbonate from Urea and Methanol

Xiaojun Guo, Rong Zhang, Li Zhang, Jun Yan • Iranian Journal of Chemistry & Chemical Engineering (2013)

SO42-/ZnO-TiO2 catalyst was prepared by sulfating ZnO-TiO2 powders with H2SO4 solution. The catalyst was characterized by XRD, IR and Hammett indicator. The catalyst showed strong acidity(H0 ≦-16.0). The optimum conditions are found that th...

DOAJ Open Access (DOAJ)

Synthesis and Characterization of Four Random copolymers Containing Fluorene as Electron Donors and Benzotriazole, Benzothiadiazole, Pyrido[3,4-b]pyrazine as Electron Acceptors

Shuang Chen, Lingqian Kong, Chaolei Ban, Jinsheng Zhao et al. • International Journal of Electrochemical Science (2018)

Four copolymers, poly(fluorene-pyrido[3,4-b]pyrazine) (PFPP), poly(benzotriazole-fluorene-pyrido[3,4-b]pyrazine) (PBTFPP), poly(benzotriazole-fluorene-benzothiadiazole) (PBTFBD), poly(benzothiadiazole-fluorene-benzothiadiazole) (PBDFBD)were...

DOAJ Open Access (DOAJ) DOI: 10.20964/2018.10.16

Leaching and recycling of NdFeB permanent magnets using ionic non-toxic hydrotropes instead of extractants

Asmae El Maangar, Clément Fleury, Stéphane Pellet-Rostaing, Thomas Zemb • Frontiers in Chemical Engineering (2024)

We show hereby that recycling of NdFeB permanent magnets by selective leaching and precipitation is possible, using an electrolyte as hydrotrope, thus avoiding the need of any specific extractant molecules. We analyse the yield of the extra...

DOAJ Open Access (DOAJ) DOI: 10.3389/fceng.2024.1420008

The Effect of Time on the Activation of Bayah Natural Zeolite for Application of Palm Oil Shell Pyrolysis

Endang Suhendi, Teguh Kurniawan, Adian Yoga Pradana, Vicky Zayan Giffari • Bulletin of Chemical Reaction Engineering & Catalysis (2021)

Oil palm shell (OPS) constitutes 60% of the waste generated during the processing of palm oil. However, OPS can potentially be converted into energy and chemicals through pyrolysis. The purpose of this study is to determine and analyse the ...

DOAJ Open Access (DOAJ) DOI: 10.9767/bcrec.16.3.10313.588-600

Socioeconomic Determinants of Sustainable Technology Adoption and Its Influence on Brazilian Agricultural GVP

Diego Pierotti Procópio, Matheus Wemerson Gomes Pereira, Renato Luiz Sproesser, Elaine Aparecida Fernandes • Economies (2026)

Brazil’s agricultural sector is characterized by persistent productive duality: a technologically advanced export-oriented segment coexists with a large stratum of smallholders generating low economic returns. Understanding the economic det...

DOAJ Open Access (DOAJ) DOI: 10.3390/economies14080322