Results 31 to 40 of about 59,085 (291)

Dynamics of methane ebullition from a peat monolith revealed from a dynamic flux chamber system [PDF]

open access: yes, 2014
Methane (CH4) ebullition in northern peatlands is poorly quantified in part due to its high spatiotemporal variability. In this study, a dynamic flux chamber (DFC) system was used to continuously measure CH4 fluxes from a monolith of near‐surface ...
Reeve, Andrew S.   +4 more
core   +3 more sources

Photoinitiated polymerisation of monolithic stationary phases in polyimide coated capillaries using visible region LEDs [PDF]

open access: yes, 2008
The spatially controlled synthesis of poly(glycidyl methacrylate-co-ethylene dimethacrylate) monolithic stationary phases in polyimide coated fused silica capillaries by visible light induced radical polymerisation using a three-component initiator and a
Abele   +28 more
core   +1 more source

Rapid fabrication of zwitterionic sulfobetaine vinylimidazole-based monoliths via photoinitiated copolymerization for hydrophilic interaction chromatography

open access: yesJournal of Pharmaceutical Analysis, 2022
Zwitterionic sulfobetaine-based monolithic stationary phases have attracted increasing attention for their use in hydrophilic interaction chromatography.
Qiqin Wang   +8 more
doaj   +1 more source

Future Atmospheric Neutrino Detectors [PDF]

open access: yes, 2000
Future experiments focusing on atmospheric neutrino detection are reviewed. One of the main goals of these experiments is the detection of an unambiguous oscillation pattern (nu_mu reappearance) to prove the oscillation hypothesis.
A. Geiser   +28 more
core   +2 more sources

Photochemical Synthesis and Versatile Functionalization Method of a Robust Porous Poly(ethylene glycol methacrylate-co-allyl methacrylate) Monolith Dedicated to Radiochemical Separation in a Centrifugal Microfluidic Platform

open access: yesMicromachines, 2016
The use of a centrifugal microfluidic platform is an alternative to classical chromatographic procedures for radiochemistry. An ion-exchange support with respect to the in situ light-addressable process of elaboration is specifically designed to be ...
Marion Losno   +8 more
doaj   +1 more source

Monolith formation and ring-stain suppression in low-pressure evaporation of poly(ethylene oxide) droplets [PDF]

open access: yes, 2012
When droplets of dilute suspensions are left to evaporate the final dry residue is typically the familiar coffee-ring stain, with nearly all material deposited at the initial triple line (Deegan et al, Nature, vol. 389, 1997, pp. 827-829).
David J. Fairhurst   +6 more
core   +1 more source

Ab-Initio investigation of the structural, electronic, mechanical, thermophysical, and optical properties of the Zintl-phase K₂AgSb ternary compound for optoelectronic applications

open access: yesNext Materials
A Zintl-phase K₂AgSb ternary compound has been investigated using density functional theory (DFT) on its structural, electronic, mechanical, thermophysical, and optical properties.
John Peter Kachira   +5 more
doaj   +1 more source

Photografted methacrylate-based monolithic columns coated with cellulose tris(3,5-dimethylphenylcarbamate) for chiral separation in CEC [PDF]

open access: yes, 2018
A chiral capillary monolithic column for enantiomer separation in capillary electrochromatography was prepared by coating cellulose tris(3,5-dimethylphenylcarbamate) on porous glycidyl methacrylate-co-ethylene dimethacrylate monolith in capillary format ...
Al-Othman   +42 more
core   +1 more source

Evaluation of photografted charged sites within polymer monoliths in capillary columns using contactless conductivity detection [PDF]

open access: yes, 2007
Capacitively coupled contactless conductivity detection (C4D) is presented as a novel and versatile means of visualising discrete zones of charged functional groups grafted onto polymer based monoliths.
Brendan O'Connor   +4 more
core   +1 more source

First-principles study of the structural, electronic, mechanical, and optical properties of Zintl-phase K2AgBi ternary compound for optoelectronic applications

open access: yesAIP Advances
A comprehensive first-principles study was conducted to explore the structural, electronic, mechanical, thermophysical, and optical properties of a Zintl-phase K2AgBi ternary semiconductor compound using density functional theory.
John Peter Kachira   +5 more
doaj   +1 more source

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