[structure: see text] The syntheses of two distinct families of phenylyne helical cyclophanes with potential for organic materials are described. The meta-bonded atropisomers afford interesting bowtie-like and butterfly-like conformers from a palladium(0), copper-mediated coupling sequence. Molecular modeling revealed the contrasting stereochemistry in these systems from differential molecular ...

Plasmonic and dielectric tweezers represent a common paradigm for an innovative efficient optical trapping at the micro/nanoscale. configurations provide subwavelength mode confinement, resulting in very high forces, expense of higher thermal effect, that could undermine biological sample under test. On contrary, show limited forces values but overcome challenge. Achieving without affecting tem...

This paper describes “Variable 0 Z ,” a novel and proprietary approach to antenna design and optimization. The new methodology is illustrated by applying it to the design of a resistively-loaded bowtie antenna and two broadband Yagi-Uda arrays. Variable 0 Z is applicable to any antenna design or optimization methodology. Using it will result in generally better antenna designs across any usersp...

To support various fifth generation (5G) wireless applications, a small, printed bowtie-shaped microstrip antenna with meandered arms is reported in this article. Because it spans the broad legal range, developed can serve or reject variety of applications such as fidelity (Wi-Fi), sub-6 GHz, and ultra-wideband (UWB) 5G communications due to its multiband characterization optimized rejection ba...