Results 151 to 160 of about 269,120 (297)

Measuring reactive oxygen and nitrogen species with fluorescent probes: challenges and limitations

, 2012
The purpose of this position paper is to present a critical analysis of the challenges and limitations of the most widely used fluorescent probes for detecting and measuring reactive oxygen and nitrogen species.
Darley-Usmar, Victor, Grisham, Matthew B., Mann, Giovanni E.; id_orcid, Phyllis A. Dennery, Balaraman Kalyanaraman, Forman, Henry Jay, Davies, Kelvin J. A., Ischiropoulos, Harry, Kalyanaraman, Balaraman, Giovanni E. Mann, Victor Darley-Usmar, Dennery, Phyllis A., Moore, Kevin, Roberts, L. Jackson, L. Jackson Roberts, Harry Ischiropoulos, Henry Jay Forman, Kevin Moore, Kelvin J.A. Davies, Matthew B. Grisham   +19 more
core   +1 more source

Facile Preparation of Carbon Membranes Derived from a Fluorenyl‐Containing Polyimine for Selective Hydrogen Separation

Advanced Functional Materials, EarlyView.
A fluorenyl‐containing polyimine is introduced as a simple, scalable precursor for high‐performance carbon membranes. The precursor's intrinsic kinked structure enables defect‐free membrane formation with enhanced hydrogen permeance and excellent ideal selectivities for key industrial gas pairs (H2/N2, H2/CH4, and H2/CO2), offering a practical route ...
Clara Coiana, Christos Pantazidis, Ankita Mandal, Maarten Bransen, Fausto Gallucci, Željko Tomović   +5 more
wiley   +1 more source

Reactive species in non-equilibrium atmospheric-pressure plasmas: Generation, transport, and biological effects

, 2016
Non-equilibrium atmospheric-pressure plasmas have recently become a topical area of research owing to their diverse applications in health care and medicine, environmental remediation and pollution control, materials processing, electrochemistry ...
Ostrikov, K., Laroussi, M, G.V. Naidis, S. Reuter, Lu, X., D.B. Graves, Reuter, Stephan, Graves, DB, Graves, D.B., Naidis, G.V., Laroussi, M., Reuter, S, Naidis, GV, Reuter, S., Naidis, G. V., K. Ostrikov, Graves, D. B., Ostrikov, K, X. Lu, M. Laroussi, Lu, X   +20 more
core   +1 more source

A systematic review of antioxidant defense mechanisms in bacteria species

Discover Bacteria
Oxidative stress, driven by reactive oxygen and nitrogen species, poses a major challenge to bacterial survival and virulence. This review systematically evaluated antioxidant defense mechanisms across Gram-positive and Gram-negative bacterial species ...
Ibrahim Anyass Goumboundi, Samuel Aidoo Bervell Fosu, Nathaniel Laryea Ayerkain, Dion Siame, Blessing Owusu Gyamfi, Richard K. D. Ephraim, Justice Afrifa   +6 more
doaj   +1 more source

Self‐Adaptive Anhydrous Passivation Mitigates Open‐Circuit Voltage Loss in Pb‐Sn Mixed Perovskite Solar Cells

Advanced Functional Materials, EarlyView.
In this report, a self‐adaptive anhydrous passivation strategy is introduced by incorporating trimellitic anhydride (TMAH) into the perovskite precursor. In situ hydrolysis of TMAH yields trimellitic acid (TMA); ‐C═O/‐COO− groups of TMAH/TMA form a chelate with undercoordinated Pb2+/Sn2+, regulate nucleation, promote (100) orientation, passivate ...
Md. Ataur Rahman, Md. Abdul Karim, Md. Emrul Kayesh, Siliang Cao, Shamim Ahmmed, Kiyoto Matsuishi, Ashraful Islam   +6 more
wiley   +1 more source

Spatiotemporal Drug Delivery via a Neonatal Spinal Cord ECM Hydrogel for Biomimetic Microenvironment Remodeling After Spinal Cord Injury

Advanced Functional Materials, EarlyView.
A biomimetic hydrogel derived from neonatal spinal cord ECM (DNSCM) delivers LAMB2 protein and ISP peptide to remodel the inhibitory injury microenvironment. The system sustains drug release, upregulates pro‐regenerative LAMB2, downregulates inhibitory CSPG, and promotes axonal regeneration.
Shiyu Fu, Liangchao Du, Runlin Wen, Kai Zhang, Yu Zhou, Wanrong Ma, Zhiquan Yang, Dingyang Liu, Xing Li   +8 more
wiley   +1 more source

Long‐Range Coordination Environment Modulates Single‐Atom Local States and Systemic Impact on CO2 Photoconversion

Advanced Functional Materials, EarlyView.
Terminal groups on Cu porphyrins modulate the electronic states of single‐atom Cu centers through a long‐range electronic effect, without altering the Cu coordination geometry. Meanwhile, a multi‐descriptor framework is established that incorporates porphyrin regulation, hybrid catalyst properties, and CO2 photoreduction capabilities.
Yi Zhang, Jintao Dong, Xiahe Chen, Xiyang Wang, Tiange Wei, Yue Zhu, Tai‐Sing Wu, Yun‐Fang Yang, Shao‐Yuan Leu, Keke Wang, Yuanbin She, Huaming Li, Jiexiang Xia, Molly Meng‐Jung Li   +13 more
wiley   +1 more source

Dissolved organic nitrogen in the river test and estuary

, 2005
Studies of nutrients in rivers and estuaries have generally focused on dissolved inorganic nitrogen (DIN), although this accounts for only a part of the total nitrogen (TN) in these systems.
Homewood, Judith Melanie
core  

Tailoring Li‐ion Storage and Transport in Two‐Dimensional Conjugated Metal‐Organic Frameworks via Precise Nitrogen Incorporation

Advanced Functional Materials, EarlyView.
Two nitrogen‐doped 2D conjugated metal‐organic frameworks (2D c‐MOFs, namely Cu‐Nx‐OHBA, x = 2 or 4) are synthesized, featuring precise nitrogen incorporation via rational ligand design. The Cu‐Nx‐OHBA 2D c‐MOFs are largely tailorable by varying skeletal nitrogen density, with respect to electrical conductivity, Li‐storage capacitance, and Li‐transport
Xiangyu Li, Shaoze Shi, Fucai Cui, Rashid Iqbal, Pengyu Wang, Tianrui Wu, Jingcheng Hao, Renhao Dong   +7 more
wiley   +1 more source

On the Liquid Chemistry of the Reactive Nitrogen Species Peroxynitrite and Nitrogen Dioxide Generated by Physical Plasmas. [PDF]

Biomolecules, 2020
Bruno G, Wenske S, Lackmann JW, Lalk M, von Woedtke T, Wende K.   +5 more
europepmc   +1 more source