Results 61 to 70 of about 27,936 (236)

Embedding a Dinuclear Ru─Pt Photocatalyst Into Polyampholytic Graft Copolymer Matrix Enables Prolonged Hydrogen Evolution While Allowing Catalyst Repair

Chemistry – A European Journal, EarlyView.
A unimolecular polyampholytic graft copolymer matrix provides a protective confinement for an electrostatically embedded tetrapyridophenazine‐bridged heterodinuclear Ru‐Pt hydrogen evolving photocatalyst. The matrix slows the degradation kinetics of the catalyst and at the same time does not hinder its repair by ammonium persulfate.
Yurii Utievskyi, Alexander K. Mengele, Mariet Puthanagady, Nikita Vashistha, Linda Zedler, Christof Neumann, Marius Müßler, Andrey Turchanin, Benjamin Dietzek‐Ivanšić, Sven Rau, Felix H. Schacher   +10 more
wiley   +1 more source

Characterization and analytical validation of phenazine producing rhizobacteria for sustainable control of soil borne pathogens in wheat using TLC and HPLC based approaches

Discover Plants
Rhizosphere-associated bacteria, particularly phenazine-producing strains, are known for their ability to enhance plant growth and suppress soilborne pathogens.
Swati Meel, Baljeet Singh Saharan
doaj   +1 more source

Global landscape of phenazine biosynthesis and biodegradation reveals species-specific colonization patterns in agricultural soils and crop microbiomes

eLife, 2020
Phenazines are natural bacterial antibiotics that can protect crops from disease. However, for most crops it is unknown which producers and specific phenazines are ecologically relevant, and whether phenazine biodegradation can counter their effects.
Daniel Dar, Linda S Thomashow, David M Weller, Dianne K Newman   +3 more
doaj   +1 more source

Electron‐Rich Para‐Methylpyridine‐Functionalized TEMPO Empowers Long‐Lived Neutral Aqueous Organic Redox Flow Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Three methylpyridine‐functionalized TEMPOs were synthesized through an electron‐rich regulation strategy. The calculation of transition states supported the highest reaction efficiency of para‐MePy‐TEMPOs, which outperformed its analogues to have the best performance of AORFBs, opening a new avenue for exploring TEMPO‐based catholytes.
Shaopeng Wang, Xuri Zhang, Jianyue He, Junjie Huang, Chi Han, Zhikun Xu, Puiki Leung, Xinhui Fan, Sikun Zhang, Xu Liu, Gang He   +10 more
wiley   +1 more source

A study of the biosynthesis of phenazine-1-carboxylic acid [PDF]

, 1964
Washed cell preparations of Pseudomonas aureofaciens synthesize phenazine-1-carboxylic acid in a medium consisting of 0.2 M glycerol and 0.02 M-lysine.
Stadtman, E. R., Levitch, M. E.
core   +1 more source

Flexible white thermally activated delayed fluorescence polymer with alkyl spacer and side‐chain encapsulation for efficient solution‐processed white organic light‐emitting diodes

FlexMat, EarlyView.
A “gemstone‐necklace” FASCE strategy synthesizes single‐component white polymers (PTF‐Qx) by alternating rigid TADF units with flexible alkyl chains. The non‐doped rigid device achieves a high EQE of 15.66% with stable white emission (CIE: 0.36, 0.46).
Wenhao Zhang, Hongyu Zhuang, Xinxin Ban, Shilong Feng, Tao Xu, Youqiang Qian, Shun Hu, Aiyun Zhu   +7 more
wiley   +1 more source

Phenazine-1-Carboxylic Acid-Producing Bacteria Enhance the Reactivity of Iron Minerals in Dryland and Irrigated Wheat Rhizospheres

, 2019
Phenazine-1-carboxylic acid (PCA) is a broad-spectrum antibiotic produced by rhizobacteria in the dryland wheat fields of the Columbia Plateau. PCA and other phenazines reductively dissolve Fe and Mn oxyhydroxides in bacterial culture systems, but the ...
David M. Weller (8086046), Daniel G. Strawn, James B. Harsh, Alice C. Dohnalkova (729110), Patrick M. Freeze, Daniel G. Strawn (2235169), Matthew J. Marshall, Michael Grant, Melissa K. LeTourneau, David M. Weller, Linda S. Thomashow, Barry Lai, Michael Grant (78621), Matthew J. Marshall (237488), Melissa K. LeTourneau (8086040), Patrick M. Freeze (8086043), Barry Lai (34704), James B. Harsh (1371282), Alice C. Dohnalkova, Linda S. Thomashow (153288)   +19 more
core   +1 more source

Deep red to near‐infrared thermally activated delayed fluorescence conjugated polymers toward highly efficient solution‐processible deep red and near‐infrared organic light‐emitting diodes

FlexMat, EarlyView.
A series of deep red (DR) and near‐infrared (NIR) thermally activated delayed fluorescence conjugated polymers are prepared, their solution‐processible organic light‐emitting diodes exhibit DR emission with maximum external quantum efficiency (EQEmax) of 6.4%, high luminance of 4254 cd m−2 and emission peak at 678 nm, and a NIR device with EQEmax of 2 ...
Tao Wang, Hongyang Zhang, Liping Jin, Peng Tao, Yanxiang Cheng, Wai‐Yeung Wong   +5 more
wiley   +1 more source

Mutational analysis of a phenazine biosynthetic gene cluster in Streptomyces anulatus 9663

Beilstein Journal of Organic Chemistry, 2012
The biosynthetic gene cluster for endophenazines, i.e., prenylated phenazines from Streptomyces anulatus 9663, was heterologously expressed in several engineered host strains derived from Streptomyces coelicolor M145.
Orwah Saleh, Katrin Flinspach, Lucia Westrich, Andreas Kulik, Bertolt Gust, Hans-Peter Fiedler, Lutz Heide   +6 more
doaj   +1 more source

PcsR2 Is a LuxR-Type Regulator That Is Upregulated on Wheat Roots and Is Unique to Pseudomonas chlororaphis

Frontiers in Microbiology, 2020
LuxR solos are common in plant-associated bacteria and increasingly recognized for playing important roles in plant-microbe interkingdom signaling. Unlike the LuxR-type transcriptional regulators of prototype LuxR/LuxI quorum sensing systems, luxR solos ...
Huiqiao Pan, Huiqiao Pan, Leland S. Pierson, Elizabeth A. Pierson, Elizabeth A. Pierson, Elizabeth A. Pierson   +5 more
doaj   +1 more source