Results 211 to 220 of about 256,645 (286)

A Novel Type of Fluorescent Chlorophyll Catabolites Hypermodified by Lipophilic Chloroplast Membrane Components

Helvetica Chimica Acta, EarlyView.
Breakdown of chlorophyll (Chl) is a fundamental biological phenomenon. In de‐greening banana leaves, Chl is transformed into colorless “fluorescent” Chl‐catabolites (FCCs) that cause the leaves to luminesce blue. Hypothesis‐driven search for apolar banana‐FCCs, and structure elucidation, have revealed a striking first link between lipid metabolism and ...
Clemens Vergeiner, Bernhard Kräutler
wiley   +1 more source

U.S. policy on wireless technologies and public health protection: regulatory gaps and proposed reforms. [PDF]

Front Public Health
Scarato T.
europepmc   +1 more source

Evaluation of DNA/Chromosome Integrity and Cell Death in Human Metabolically Noncompetent and Competent Cells Exposed to N′‐(3,5‐Difluorobenzylidene)Pyridine‐4‐Carbohydrazide

Journal of Applied Toxicology, EarlyView.
ABSTRACT The N‐acylhydrazone scaffold is recognized as a privileged structure for the design of bioactive substances with increasing applications in medicinal chemistry research. Ensuring the safety of newly developed molecules is a critical step for both human health and environmental protection. Accordingly, this study aimed to evaluate the cytotoxic
Larissa Ribeiro Canuto Santos, Jéssica Natalia Barbosa de Almeida, Camila Cavalleiro Frias, Wanda Pereira Almeida, Edson Luis Maistro   +4 more
wiley   +1 more source

Nonlinear Resonance Modulation in Single‐Crystalline VO2‐Integrated Si Ring Resonator

Laser &Photonics Reviews, EarlyView.
This work first demonstrates a single‐crystalline VO2–Si hybrid ring resonator. The epitaxial lift‐off process enables high‐quality VO2 integration on the dissimilar Si photonic platform. The high‐quality VO2 film exhibits exceptional nonlinear resonance modulation and a steep optical transition across the metal‐insulator transition. ABSTRACT The metal‐
Sebae Park, Dong Kyu Lee, Junyeop Kim, Sungwon Lee, Heedeuk Shin, Junwoo Son   +5 more
wiley   +1 more source

Alloy Solutions for Ammonia Cracking: A Review

Materials and Corrosion, EarlyView.
This work provides a literature overview of the nitriding and degradation of structural materials under ammonia cracking conditions and explains the known mechanisms and the gaps, where research is required. ABSTRACT Hydrogen is a key factor in energy storage and transportation, which will inevitably lead to a substantial increase in demand.
Mathias Christian Galetz, Katharina Beck, Clara Schlereth, Ceyhun Oskay   +3 more
wiley   +1 more source

Defect Migration in Supercrystalline Nanocomposites. [PDF]

ACS Nano
Lapkin D, Yan C, Gürsoy E, Sternlicht H, Plunkett A, Bor B, Kim YY, Assalauova D, Westermeier F, Sprung M, Krekeler T, Rout SS, Ritter M, Kulkarni S, Keller TF, Schneider GA, Vonbun-Feldbauer GB, Meissner RH, Stierle A, Vartanyants IA, Giuntini D.   +20 more
europepmc   +1 more source

Failure Investigation of Alloy 625 Sockolets After Prolonged Service in an Ammonia Cracker Unit

Materials and Corrosion, EarlyView.
The failure of the sockolets was caused by intergranular cracking and fracture. The thick and highly brittle nitrided layer formed intergranular surface cracks, which propagated along grain boundaries into the base alloy substrate due to the presence of brittle Cr‐rich carbides. ABSTRACT Several sockolets of Alloy 625 operating at 540°C in contact with
Kamlesh Chandra, N. Naveen Kumar, Niraj Kumar   +2 more
wiley   +1 more source

Effect of iron addition on the structure and tribological performance of CrAlN coatings Einfluss von Eisen‐Zugabe auf die Struktur und das tribologische Verhalten von CrAlN‐Beschichtungen

Materialwissenschaft und Werkstofftechnik, EarlyView.
Hard coatings mitigate friction and wear of engineering components, while tribochemical interactions between lubricant and coating strongly influence performance. Masking ferrous surfaces with a coating reduces the effectiveness of additives optimized for steel.
K. Bobzin, C. Kalscheuer, M. P. Möbius, J. Borowy, M. Welters   +4 more
wiley   +1 more source