Results 11 to 20 of about 760,897 (246)

Antibacterial Activity of Phyllophorus sp. Methanol Crude Extract on Vibrio alginolyticus and Vibrio harveyi

Journal of Marine and Coastal Science, 2022
Utilization of natural materials sourced from the sea is very promising. These natural ingredients can function as antibacterials that are useful in a number of fields. This study aims to explore the extract of sea cucumber Phylloporus sp.
Sapto Andriyono, Tatak Dwi Cahyono, Endang Dewi Masithah   +2 more
doaj   +1 more source

Imaging spatiotemporal evolution of molecules and active sites in zeolite catalyst during methanol-to-olefins reaction

Nature Communications, 2020
Imaging zeolites in catalysis relies on the use of probe molecules or model catalysts. Here the authors show the synergy of a multiscale reaction-diffusion model and structured illumination microscopy to illustrate spatiotemporal evolution of molecules ...
Mingbin Gao, Hua Li, Wenjuan Liu, Zhaochao Xu, Shichao Peng, Miao Yang, Mao Ye, Zhongmin Liu   +7 more
doaj   +1 more source

Molecular elucidating of an unusual growth mechanism for polycyclic aromatic hydrocarbons in confined space

Nature Communications, 2020
Coke-induced catalyst deactivation draws increasing concerns in industrially catalytic processes. Here the authors provide a strategy integrating advanced mass spectroscopy and isotope labeling to uncover a cage-passing molecular route of coking species ...
Nan Wang, Yuchun Zhi, Yingxu Wei, Wenna Zhang, Zhiqiang Liu, Jindou Huang, Tantan Sun, Shutao Xu, Shanfan Lin, Yanli He, Anmin Zheng, Zhongmin Liu   +11 more
doaj   +1 more source

Selective conversion of CO2 and H2 into aromatics

Nature Communications, 2018
Selective conversion of CO2 and H2 into aromatics remains challenging due to the high unsaturation degree and complex structure of aromatics. Here the authors report a composite catalyst of ZnAlOx and H-ZSM-5 which promotes the formation of aromatics ...
Youming Ni, Zhiyang Chen, Yi Fu, Yong Liu, Wenliang Zhu, Zhongmin Liu   +5 more
doaj   +1 more source

Implications of a short carbon pulse on biofilm formation on mica schist in microcosms with deep crystalline bedrock groundwater

Frontiers in Microbiology, 2023
Microbial life in the deep subsurface occupies rock surfaces as attached communities and biofilms. Previously, epilithic Fennoscandian deep subsurface bacterial communities were shown to host genetic potential, especially for heterotrophy and sulfur ...
Maija Nuppunen-Puputti, Riikka Kietäväinen, Ilmo Kukkonen, Malin Bomberg   +3 more
doaj   +1 more source

Mechanism of methanol oxidation by quinoprotein methanol dehydrogenase [PDF]

Proceedings of the National Academy of Sciences, 2007
At neutral pH, oxidation of CH 3 OH → CH 2 O by an o -quinone requires general-base catalysis and the reaction is endothermic.
Xiaodong, Zhang, Swarnalatha Y, Reddy, Thomas C, Bruice   +2 more
openaire   +2 more sources

Recent advances in sustainable and safe marine engine operation with alternative fuels

Frontiers in Mechanical Engineering, 2022
Pursuing net-zero emission operations in the shipping industry are quintessential for this sector to mitigate the environmental impact caused by hydrocarbon fuel combustion.
Panagiotis Karvounis, Charalampos Tsoumpris, Evangelos Boulougouris, Gerasimos Theotokatos   +3 more
doaj   +1 more source

Influence of Glycerol on Methanol Fuel Characteristics and Engine Combustion Performance

Energies, 2022
Methanol derived from solar energy is a carbon-neutral alternative fuel for engines. The low viscosity of methanol is one of the problems that restrict its direct compression ignition application in engines.
Chao Jin, Tianyun Sun, Teng Xu, Xueli Jiang, Min Wang, Zhao Zhang, Yangyi Wu, Xiaoteng Zhang, Haifeng Liu   +8 more
doaj   +1 more source

Experimental Study on A Hybrid Adsorption Refrigeration System [PDF]

Engineering and Technology Journal, 2009
One of the most new methods of solar applications are the adsorption refrigeration methods, which can be powered by solar energy or waste heat. A hybrid adsorption refrigeration unit was designed, built and tested in this work, on January, 2008. A series
Abdul Hadi Nema K, Hassan Jawdat Fadiel
doaj   +1 more source

Recent Advances in Photocatalytic Oxidation of Methane to Methanol

Molecules, 2022
Methane is one of the promising alternatives to non-renewable petroleum resources since it can be transformed into added-value hydrocarbon feedstocks through suitable reactions.
Gita Yuniar, Wibawa Hendra Saputera, Dwiwahju Sasongko, Rino R. Mukti, Jenny Rizkiana, Hary Devianto   +5 more
doaj   +1 more source