Low SAR compact wideband/dual-band semicircular slot antenna structures for sub-6 GHz 5G wireless applications by Reham W. Abd-Elsalam, Hussein E. Seleem, Mostafa M. Abd-Elnaby, Amr H. Hussein

“…To minimize the antenna size and control the bandwidth, a semicircle-defected ground structure is etched beneath the radiating patch. To allow for dual-band operation, a T-shaped stub structure is attached in the middle of the U-shaped radiating patch. …”
Get full text

Caries affected Dentin biomodification using Bromelain, Riboflavin photosensitizer via UVA, and Chitosan Nanoparticles on shear bond strength and microleakage scores: A SEM evaluat... by Khold Alahdal, Ahmed Maawadh, Laila AlDeeb, Thamer Almohareb, Ahoud S Alshamrani, Ali Alrahlah

“…., Bromelain, Riboflavin photosensitizer (RFP/Ultraviolet-A), and Chitosan nanoparticles (CHNPs) on the shear bond strength (SBS) and microleakage of composite bonded to acid etched carious affected dentin (CAD). Materials and methods: Sixty-four human molars in which carious lesions extend till the middle third of the dentin were included. …”
Get full text

Potential benefits and challenges of simulation-based neonatal resuscitation competition: A survey analysis of provincial competition in China by Chenguang Xu, Qianshen Zhang, Fang Lin, Yihua Chen, Yin Xue, Wenjie Yan, Rong Zhou, Yuqian Yang, Po-Yin Cheung

Get full text

A novel configuration of reconfigurable bandpass filter based on varactor diodes by Mohamed Guermal, Jamal Zbitou, Mostafa Hefnawi, Fouad Aytouna

“…The proposed structure is built around four square ring resonators, which are meticulously etched onto the top surface of an RO4003C substrate. …”
Get full text

Microscale bone interlocking enhances osseointegration strength on the rough surface of 3D-printed titanium implants: experimental and finite element analysis by Tianyu Shu, Haoyu Shi, Meng Li, Yu-Chia Lin, Ang Li, Dandan Pei

“…Methods Experimental 3D-printed titanium implants were fabricated via selective laser melting (SLM), and conventional sandblasted and acid-etched titanium implants (CNC-SLA) served as the control group. …”
Get full text

The perceived workload of first-line healthcare professionals during neonatal resuscitation by Hai-Bo Huang, Kui Sang, Ming Zhou, Lin Yi, Jiang-Qin Liu, Chuan-Zhong Yang, Brenda H.Y. Law, Georg M. Schmölzer, Po-Yin Cheung

Get full text