Results 61 to 70 of about 90,050 (310)

Acute caffeine treatment protects the developing retina from ischemia‐induced cell death

FEBS Open Bio, EarlyView.
Caffeine reduces cell death in the developing retina under ischemia (OGD). This effect does not involve BDNF upregulation or antioxidant pathways (NRF2/VEGF). Neuroprotection occurs mainly through adenosine A2A receptor antagonism, decreasing glutamate release and excitotoxicity, highlighting caffeine's potential as an acute neuroprotective agent in ...
Amanda Alves Nascimento, Danniel Pereira‐Figueiredo, Gabriella Grossi de Lima Dias, Gabriel Ferreira dos Santos, Mariana Rodrigues Pereira, Rafael Brito, Karin C Calaza   +6 more
wiley   +1 more source

Multi-Purpose Graphene-Based Terahertz Metamaterial and Its Equivalent Circuit Model

IEEE Access
A tunable 2-bit encoder, switch, and absorber using a graphene-based terahertz (THz) metamaterial were developed to operate within 1-4 THz range. The metamaterial comprises three resonators in each unit cell: one split ring resonator containing four gaps
Somayyeh Asgari, Tapio Fabritius
doaj   +1 more source

Verified equivalent-circuit model for slot-waveguide modulators

Optics Express, 2020
We formulate and experimentally validate an equivalent-circuit model based on distributed elements to describe the electric and electro-optic (EO) properties of travelling-wave silicon-organic hybrid (SOH) slot-waveguide modulators. The model allows to reliably predict the small-signal EO frequency response of the modulators exploiting purely ...
Zwickel, Heiner, Singer, Stefan, Kieninger, Clemens, Kutuvantavida, Yasar, Muradyan, Narek, Wahlbrink, Thorsten, Yokoyama, Shiyoshi, Randel, Sebastian, Freude, Wolfgang, Koos, Christian   +9 more
openaire   +5 more sources

A Precise Equivalent-Circuit Model for a Circular Plate Radiator [PDF]

, 2018
A precise equivalent-circuit model of a circular plate ultrasonic radiator was developed and tested by comparing the dynamic characteristics obtained with the model and a fabricated radiator.
Hwang, Yonghwan, Yonghwan Hwang, Je, Yub, Wonkyu Moon, Yub Je, Wonho Kim, Kim, Wonho, SungQ Lee, Moon, Wonkyu, Lee, SungQ   +9 more
core   +1 more source

Versatile vector tools for efficient protein screening across multiple expression systems

FEBS Open Bio, EarlyView.
A unified vector toolkit enables rapid protein expression screening across E. coli, insect, and mammalian cells. A single primer pair amplifies the target gene, which is inserted into any vector via a standardized interface. This streamlined workflow eliminates repeated cloning steps, accelerating the identification of optimal expression conditions for
Zhimin Zhu, Yaqing Liu, Lei Qin, Feng Yu, Qisheng Wang, Yahui Liu   +5 more
wiley   +1 more source

A Wideband Equivalent Circuit for Stripline-Fed Cavity-Backed Slot Radiating Elements

IEEE Access, 2019
An equivalent circuit for stripline-fed cavity-backed slot radiating elements is proposed. The proposed equivalent circuit consist of a transmission line model for the slot mode, a slot end-effect which includes the radiation, and a strip-slot transition
Alberto Hernandez-Escobar, Elena Abdo-Sanchez, Carlos Camacho-Penalosa   +2 more
doaj   +1 more source

The Building of Offshore Facilities Power System’s Equivalent Circuit Model [PDF]

, 2011
With the development of technology, the power system of offshore facilities (for short: power system) is increasingly complex, short-circuit current calculation process also becomes more complex.
Xiu Ye Yin, Hong Zhang, Xu Hui Ma
core   +1 more source

Clustering Algorithm Reveals Dopamine‐Motor Mismatch in Cognitively Preserved Parkinson's Disease

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore the relationship between dopaminergic denervation and motor impairment in two de novo Parkinson's disease (PD) cohorts. Methods n = 249 PD patients from Parkinson's Progression Markers Initiative (PPMI) and n = 84 from an external clinical cohort.
Rachele Malito, Chiara Meneghini, Alice Galli, Luca Gallo, Pierfrancesco Mitrotti, Paola Dimartino, Marianna Inglese, Cinzia Zatti, Alessandro Lupini, Andrea Pilotto, Alessandro Padovani, Micol Avenali, Enza Maria Valente, Cristina Tassorelli, Silvia P. Caminiti   +14 more
wiley   +1 more source

EQUIVALENT CIRCUIT MODEL OF OCTAGONAL ULTRA WIDEBAND (UWB) ANTENNA [PDF]

Journal of Engineering Science and Technology, 2017
This paper presents an equivalent circuit model of an octagonal UWB antenna. The UWB antenna is first designed in the electromagnetic simulator, after which the circuit model is developed to match its result.
LEE CHIA PING
doaj  

Equivalent Circuit Model of Coaxial Probes for Patch Antennas [PDF]

, 2012
An equivalent circuit model of coaxial probes is derived directly from the intrinsic via circuit model. as all the higher-order evanescent modes have been included analytically in the parasitic circuit elements, only the propagating mode needs to be ...
Fan, Jun, Hu, Y. S., Zhang, Yanzhi
core   +2 more sources