Results 191 to 200 of about 42,237 (297)

Impact of bioreactor process parameters and yeast biomass on Raman spectra

open access: yesBiotechnology Progress, EarlyView.
Abstract In‐line Raman spectroscopy combined with chemometric modeling is a valuable process analytical technology (PAT) providing real‐time quantitative information on cell culture compounds. Considering that compound quantification through chemometric models depends on pre‐processing to maintain consistent changes in intensity at certain wavenumbers,
Maarten Klaverdijk   +3 more
wiley   +1 more source

Electrically Controlled Metal-Insulator Heterogeneous Evolution for Infrared Switch and Perfect Absorption. [PDF]

open access: yesAdv Sci (Weinh)
Cao X   +12 more
europepmc   +1 more source

The Role of Copper‐Oxide Species in Copper‐Catalyzed Electrochemical CO2 Reduction

open access: yesChemElectroChem, EarlyView.
Oxide‐derived copper (OD‐Cu) exhibits enhanced selectivity for C2+ products in electrochemical CO2 reduction. In situ Raman and depth‐profiling X‐ray photoelectron spectroscopy reveal residual defective oxidic Cu species (CuxO) on the roughened OD‐Cu surface.
Yue Zhang   +4 more
wiley   +1 more source

Self-Powered Ultraviolet-C Imaging Using Epitaxial Gallium Oxide Membranes with Anisotropic Domain Conduction. [PDF]

open access: yesACS Nano
Kim B   +10 more
europepmc   +1 more source

Photoswitching of the Two‐Photon Absorption of Donor‐Acceptor Substituted Dithienylethenes

open access: yesChemistryEurope, EarlyView.
Switching two‐photon absorption: Donor‐acceptor substituted dithienylethenes are shown to switch their two‐photon absorption properties upon light‐induced electrocyclic isomerization. In this work the structural and electronic integration of push–pull systems with photoactivatable dithienylethenes (DTEs) is demonstrated.
Francisco G. Blandón‐Cumbreras   +8 more
wiley   +1 more source

Chemical Functionalization of 1H‐Mos2 for Programmed Modulation of Photoluminescence

open access: yesChemistryEurope, EarlyView.
Chemical functionalization of monolayer MoS2 via diazonium chemistry enables programmed modulation of photoluminescence. Electron‐donating groups suppress, while electron‐withdrawing groups enhance emission. Raman and cryo‐PL confirm defect‐free functionalization. Surface morphology shows nanometer thick films, and electrical measurements reveal trends
Sasikumar Rahul   +11 more
wiley   +1 more source

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