Results 31 to 40 of about 9,257 (149)

Microbial Synthesis and Characterization of Poly (3-Hydroxybutyrate-co- 4-Hydroxybutyrate) Copolymers [PDF]

Журнал Сибирского федерального университета: Серия Биология, 2011
The research is focused on the prospective representative of the family of biodegradable polymers - polyhydroxyalkanoates (PHAs), the copolymer poly(3-hydroxybutyrate-co-4-hydroxybutyrate) (P(3HB-co-4HB).
Natalia O. Zhila, Tatiana G. Volova, Elena D. Nikolaeva, Daria A. Syrvacheva   +3 more
doaj  

Ligand Binding Affinities of Arctigenin and Its Demethylated Metabolites to Estrogen Receptor Alpha

Molecules, 2013
Phytoestrogens are defined as plant-derived compounds with estrogen-like activities according to their chemical structures and activities. Plant lignans are generally categorized as phytoestrogens.
Masao Hattori, Jong-Hyun Lee, Jong-Sik Jin   +2 more
doaj   +1 more source

Anti-Inflammatory, Antiallergic, and COVID-19 Main Protease (M^pro) Inhibitory Activities of Butenolides from a Marine-Derived Fungus Aspergillus terreus

Molecules, 2021
In December 2020, the U.K. authorities reported to the World Health Organization (WHO) that a new COVID-19 variant, considered to be a variant under investigation from December 2020 (VUI-202012/01), was identified through viral genomic sequencing ...
Ibrahim Seyda Uras, Sherif S. Ebada, Michal Korinek, Amgad Albohy, Basma S. Abdulrazik, Yi-Hsuan Wang, Bing-Hung Chen, Jim-Tong Horng, Wenhan Lin, Tsong-Long Hwang, Belma Konuklugil   +10 more
doaj   +1 more source

Nine New and Five Known Polyketides Derived from a Deep Sea-Sourced Aspergillus sp. 16-02-1

Marine Drugs, 2014
Nine new C9 polyketides, named aspiketolactonol (1), aspilactonols A–F (2–7), aspyronol (9) and epiaspinonediol (11), were isolated together with five known polyketides, (S)-2-(2′-hydroxyethyl)-4-methyl-γ-butyrolactone (8), dihydroaspyrone (10 ...
Xiu-Wen Chen, Chang-Wei Li, Cheng-Bin Cui, Wei Hua, Tian-Jiao Zhu, Qian-Qun Gu   +5 more
doaj   +1 more source

Study on plasticized Poly (vinylidene chloride- co- acrylonitrile) polymer electrolytes for battery applications

Materials Research Express, 2023
Plasticized Poly (vinylidene chloride- co- acrylonitrile) [P(VdC-co-AN)] polymer electrolytes comprising of Lithium Perchloride (LiClO _4 ) as complexing salt and plasticizers such as Propylene carbonate (PC) and β -butyrolactone ( β bl) is prepared by ...
B Vijaya, M Usha Rani, Ravi Shanker Babu
doaj   +1 more source

Cometabolic degradation of 1,4-dioxane by a tetrahydrofuran-growing Arthrobacter sp. WN18

Ecotoxicology and Environmental Safety, 2021
1,4-Dioxane (dioxane), an emerging groundwater contaminant, is frequently detected in landfill leachates with its structural analog, tetrahydrofuran (THF).
Peng Wang, Fei Li, Wenmin Wang, Ruofan Wang, Yadong Yang, Tingchen Cui, Na Liu, Mengyan Li   +7 more
doaj   +1 more source

Modular access to chiral bridged piperidine-γ-butyrolactones via catalytic asymmetric allylation/aza-Prins cyclization/lactonization sequences

Nature Communications
Chiral functionalized piperidine and lactone heterocycles are widely spread in natural products and drug candidates with promising pharmacological properties.
Cong Fu, Ling He, Hui Xu, Zongpeng Zhang, Xin Chang, Yanfeng Dang, Xiu-Qin Dong, Chun-Jiang Wang   +7 more
doaj   +1 more source

GC/MS Analysis of Oil Extractives from Wood and Bark of Pinus sylvestris, Abies alba, Picea abies, and Larix decidua

BioResources, 2015
Wood and bark oil extractives components (OECs) of Pinus sylvestris, Abies alba, Picea abies, and Larix decidua grown in the Czech Republic were analyzed using gas chromatography/ mass spectrometry (GC/MS). The analysis showed the presence of monoterpene,
Mohamed Zidan Mohamed Salem, Aleš Zeidler, Martin Böhm, Mervat E. A. Mohamed, Hayssam M. Ali   +4 more
doaj   +1 more source

Toward Low‐Temperature Lithium Batteries: Advances and Prospects of Unconventional Electrolytes

Advanced Energy & Sustainability Research, 2021
Lithium batteries have been widely used in various fields such as portable electronic devices, electric vehicles, and grid storages devices. However, the low temperature‐tolerant performances (−70 to 0 °C) of lithium batteries are still mainly hampered ...
Jinning Zhang, Jianjun Zhang, Tingting Liu, Han Wu, Songwei Tian, Lixue Zhou, Botao Zhang, Guanglei Cui   +7 more
doaj   +1 more source

Bioactive Derivatives from Endophytic Fungus, sp

Natural Product Communications, 2011
Two new benzyl γ-butyrolactone analogues, ( R )-5-(( S )-hydroxy(phenyl)-methyl)dihydrofuran-2(3H)-one ( 1 ) and its 6-acetate ( 2 ), and a new naphthalenone derivative ( 8 ), together with eight additional known aromatic derivatives, ( S )-5-(( S ...
Shan Lu, Siegfried Draeger, Barbara Schulz, Karsten Krohn, Ishtiaq Ahmed, Hidayat Hussain, Yanghua Yi, Ling Li, Wen Zhang   +8 more
doaj   +1 more source