Results 161 to 170 of about 536,959 (370)

Emergent Magnetic Structures at the 2D Limit of the Altermagnet MnTe

open access: yesAdvanced Functional Materials, EarlyView.
Renewed interest in MnTe has emerged due to its intriguing altermagnetism, a newly identified form of magnetism distinct from conventional ferro‐, antiferro‐, or paramagnetism. By combining magnetic X‐ray absorption spectroscopy, scanning tunnelling microscopy, and first‐principles theory, this study reveals that thinning MnTe to the 2D limit ...
Marc G. Cuxart   +10 more
wiley   +1 more source

The use of NMR-spectroscopy in pharmacopoeial analysis

open access: yesРегуляторные исследования и экспертиза лекарственных средств, 2018
The article illustrates the prospects of using nuclear magnetic resonance spectroscopy for complex, fast and reliable determination of key quality attributes of drug substances while performing pharmacopoeial analysis.
S. V. Moiseev   +4 more
doaj  

A Nuclear Magnetic Resonance Spectroscopy-based Approach to Profile Biologically Active Plant Metabolites Using Black Raspberry Inhibition of Colon Cancer Cell Proliferation as a Model System [PDF]

open access: gold, 2006
Faith J. Wyzgoski   +9 more
openalex   +1 more source

Tunable and Recyclable Piezoelectric Biomaterials via Ion‐Directed Guanine‐Quadruplex Assembly

open access: yesAdvanced Functional Materials, EarlyView.
Guanine‐quadruplex (GQ) assemblies, formed via ion‐mediated self‐assembly of amphiphilic guanine derivatives, are introduced as tunable and recyclable piezoelectric biomaterials. Distinct alkali ions induce unique dipole configurations and piezoelectric outputs, with K⁺ yielding the highest performance.
Seungho Lee   +9 more
wiley   +1 more source

ENDOR spectroscopy of chlorophylls and the photosynthetic light conversion apparatus [PDF]

open access: yes, 1979
Dolphin, D.   +3 more
core   +1 more source

Hydrogen‐Bond‐Rich Supramolecular Multiblock Copolymers Facilitate Rapid Zn2+ Migration in Quasi‐Solid‐State Zinc‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
The disordered growth of dendrites, corrosion, parasitic side reactions, slow de‐solvation kinetics, and inherent safety risks significantly hinder the practical deployment of conventional liquid electrolyte zinc‐ion batteries. In contrast, the novel PU‐EG+DMPA‐Zn polyurethane quasi‐solid‐state electrolyte, enriched with abundant polar functional ...
Ruiqi Liu   +10 more
wiley   +1 more source

Quantitative NMR spectroscopy in identification and quality control of drugs and herbal biologically active compositions

open access: yesRUDN Journal of Ecology and Life Safety, 2015
The article demonstrates the unique capabilities and prospects of quantitative nuclear magnetic resonance spectroscopy in the control of the authenticity and quality of drugs and herbal biologically active compositions.
V A Ivlev, A S Prokop’ev, G A Kalabin
doaj  

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