Results 151 to 160 of about 820,423 (413)

UVB-Radiation-Induced Apoptosis in Jurkat Cells: A Coordinated Fourier Transform Infrared Spectroscopy-Flow Cytometry Study [PDF]

open access: yesRadiation Research 168, 698-705 (2007), 2010
We studied the induction of apoptosis in Jurkat cells by UVB radiation (wavelength 290-320 nm) at a dose of 310 mJ/cm^2. We combined Fourier transform infrared (FTIR) spectroscopy with flow cytometry to determine whether the combination of both techniques could provide new and improved information about cell modifications.
arxiv  

Interfacial Interaction‐Mediated Regulation of Metal Oxidation States for Enhanced CO2 Reduction

open access: yesAdvanced Functional Materials, EarlyView.
A hybrid strategy is employed to optimize bismuth–oxygen interactions, precisely regulating interfacial bismuth–oxygen bonds during topochemical synthesis. This leads to vanadium oxynitride‐bismuth catalyst exhibiting high Faradaic efficiency and durability for formate production, attributed to enhanced reaction thermodynamics and kinetics.
Zhongyuan Ma   +6 more
wiley   +1 more source

Posada a punt i validació de l'anàlisi d'urea en llet crua mitjançant IR per transformada de Fourier [PDF]

open access: yes, 2009
L'objectiu principal d'aquest projecte és posar a punt el mètode d'anàlisi d'urea en llet crua de vaca mitjançant la tècnica d'Infraroig per Transformada de Fourier (Fourier Transform Infrared Spectroscopy, FTIR).
Baeza Labat, Maria del Mar   +3 more
core  

Electrical Impedance Tomography Monitoring of Salt Transportation in Cellulose Hydrogel for Solar‐Driven Evaporative Desalination via Laser Defined Wettability

open access: yesAdvanced Functional Materials, EarlyView.
Solar‐driven evaporation is a promising solution to the global water crisis; however, it faces a significant challenge of salt accumulation during the evaporation process. This study introduces an innovative in situ electrical impedance tomography technique for real‐time monitoring of salt transportation in the evaporator.
Yang Xu   +9 more
wiley   +1 more source

Methodologies for Characterization of Aerospace Polymers/Energetic Materials – a Short Review

open access: yesJournal of Aerospace Technology and Management, 2016
Fourier transform infrared spectroscopy techniques, associated or not to others, are a well-studied subject used for characterizing polymers/energetic materials that have been employed mainly in aerospace industries.
Shirley Motta Pedreira   +6 more
doaj  

Biodegradable, Humidity‐Insensitive Mask‐Integrated E‐Nose for Sustainable and Non‐Invasive Continuous Breath Analysis

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces a paper‐based biodegradable, humidity‐insensitive e‐nose for real‐time breath analysis, addressing challenges in existing technologies such as humidity interference, high costs, and environmental impact. Featuring hydrophobic polymer coatings, these sensors reliably detect VOCs even in high‐moisture environments.
Indrajit Mondal   +2 more
wiley   +1 more source

Retrieval of upper atmosphere pressure-temperature profiles from high resolution solar occultation spectra [PDF]

open access: yes
Pressure-temperature profiles over the 18 to 75 km altitude range were retrieved from 0.01 cm(-1) resolution infrared solar absorption spectra recorded with the Atmospheric Trace Molecule Spectroscopy (ATMOS) Fourier transform spectrometer operating in ...
Namkung, J.   +3 more
core   +1 more source

Turning on Selective H2S Gas Sensing Activity in Ternary Nickel Tungstate Strongly Correlated Electron System Through Sub‐Gap Band Manipulation

open access: yesAdvanced Functional Materials, EarlyView.
A strongly correlated electron system (SCES) exhibits pronounced insulating behavior due to Coulombic repulsion between cations, which generates a charge gap. This study investigates the tuning of the band structure in NiWO4‐based SCES via Cu doping at substitutional sites and Li doping at interstitial sites.
Seung Yong Lee   +18 more
wiley   +1 more source

Research and Application of Interferogram Acquisition Method for Ground-Based Fourier-Transform Infrared Greenhouse Gas Spectrometer

open access: yesPhotonics
A high-performance data acquisition and processing system within a spectrometer provides a powerful guarantee for obtaining high-precision data in ground-based Fourier-transform infrared greenhouse-gas spectroscopy.
Yasong Deng   +6 more
doaj   +1 more source

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