Results 141 to 150 of about 585,914 (312)

Electroless Plating of Copper on Laser‐Induced Graphene for Flexible Hybrid Electronic Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Copper‐plated Laser‐Induced Graphene (Cu‐LIG) provides a facile and economical approach to patterning FHEs. This patterning process is enabled by incorporating catalytically active palladium nanoparticles into the LIG structure, which serve as surface reaction sites for reducing copper ions in solution plating.
Attila Rektor   +7 more
wiley   +1 more source

Remarks on the $Γ$-regularization of Non-convex and Non-semi-continuous Functions on Topological Vector Spaces [PDF]

open access: yesJournal of Convex Analysis 19(2):467-483 (2012), 2016
We show that the minimization problem of any non-convex and non-lower semi-continuous function on a compact convex subset of a locally convex real topological vector space can be studied via an associated convex and lower semi-continuous function $\Gamma \left( h\right) $. This observation uses the notion of $\Gamma $-regularization as a key ingredient.
arxiv  

Approximation of Convex Functions

open access: yesReal Analysis Exchange, 2004
In this note we give an elementary proof that an arbitrary convex function can be uniformly approximated by a convex \cinf-function on any closed bounded subinterval of the domain. An interesting byproduct of our proof is a global equation for a polygonal (piecewise affine) function.
openaire   +3 more sources

3D Printed Optics Achieves Broadband Structured Light

open access: yesAdvanced Optical Materials, EarlyView.
The arbitrary creation of structured light often requires complex design and fabrication steps and is largely limited to single wavelength. By leveraging off the toolkit for digital holograms, how complex amplitude modulation can be implemented as 3D printed optics in a manner that is broadband is shown, for the creation of multiwavelength forms ...
Leerin Perumal   +4 more
wiley   +1 more source

Regularity properties and integral inequalities related to (k; h1; h2)-convexity of functions

open access: yesAnnals of the West University of Timisoara: Mathematics and Computer Science, 2015
The class of (k; h1; h2)-convex functions is introduced, together with some particular classes of corresponding generalized convex dominated functions.
Cristescu Gabriela   +2 more
doaj   +1 more source

Driving Micro‐Objects Using Optical Force due to Fluorescence Emission From Molecules

open access: yesAdvanced Optical Materials, EarlyView.
Emission of fluorescence from a micro‐object in a specific direction is expected to generate an optical force driving the object in the opposite direction of the emission, like a rocket. To demonstrate this ‘photon‐driven micro‐rocket’, we prepared dye‐doped polymer micro‐object (PMO) one surface of which was covered with metallic film; the PMO ...
Syoji Ito   +5 more
wiley   +1 more source

Improvement of Jensen, Jensen-Steffensen's, and Jensen's functionals related inequalities for various types of convexity [PDF]

open access: yesarXiv
In this paper we deal with improvement of Jensen, Jensen-Steffensen's and Jensen's functionals related inequalities for uniformly convex, phi-convex and superquadratic functions.
arxiv  

Chiral Sensing of Amino Acids under Visible Light via Hydroxypropyl Cellulose Gels

open access: yesAdvanced Optical Materials, EarlyView.
Hydroxypropyl cellulose gels enable visible‐light‐based chiral detection of amino acid enantiomers. This study showcases their structural color properties for distinguishing phenylalanine and alanine enantiomers. The gels exhibit pH‐responsive color changes, high sensitivity at low concentrations (0.2 wt.%), and long‐term stability, offering ...
Luyao Huang   +6 more
wiley   +1 more source

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