Results 61 to 70 of about 16,944 (286)

Multiscale Hybrid Surface Topographies Orchestrate Immune Regulation, Antibacterial Defense, and Tissue Regeneration

open access: yesAdvanced Healthcare Materials, EarlyView.
Hybrid wrinkled topographies coordinate immune, tissue, and bacterial interactions. The surfaces promote osteointegration, tune macrophage polarization, and inhibit biofilm formation, highlighting a multifunctional strategy for next‐generation implant design.
Mohammad Asadi Tokmedash   +4 more
wiley   +1 more source

Development of an ac-dc buck-boost power factor correction [PDF]

open access: yes, 2013
Increasing the power quality is a subject which has received increased attention in recent years. Power factor correction (PFC) is one of the power quality points which is receiving greater attention as evidenced by the number of manufacturers which ...
Saad, Sahrudin
core  

Quasi Z-source NPC inverter for PV application [PDF]

open access: yes, 2017
This paper presents the operating principles and modified space vector modulation strategy for a three-phase quasi Z-source neutral point clamped inverter for solar photovoltaic applications.
Clare, Jon C.   +3 more
core   +1 more source

Multivalent Protein Nanorings for Broad and Potent SARS‐CoV‐2 Neutralization

open access: yesAdvanced Healthcare Materials, EarlyView.
A protein‐only, modular multivalent nanoscaffold displaying 20 anchor points, decorated with two different binders (10 of each), targeting the SARS‐CoV‐2 receptor‐binding domain is presented. The construct self‐assembles into stable, biocompatible, homogeneous nanoparticles, exhibit synergistic binding with fM IC50 values. It also detects spike at 9 ng 
Molood Behbahanipour   +11 more
wiley   +1 more source

Circuit Simulation for Solar Power Maximum Power Point Tracking with Different Buck-Boost Converter Topologies

open access: yesEnergies, 2014
The power converter is one of the essential elements for effective use of renewable power sources. This paper focuses on the development of a circuit simulation model for maximum power point tracking (MPPT) evaluation of solar power that involves using ...
Jaw-Kuen Shiau   +3 more
doaj   +1 more source

RANCANG BANGUN SUATU SISTEM PEMANFAATAN SUMBER ENERGI TENAGA SURYA SEBAGAI PENDUKUNG SUMBER PLN UNTUK RUMAH TANGGA BERBASIS MIKROKONTROLER (HARDWARE) [PDF]

open access: yes, 2011
Energi cahaya dari matahari dapat berubah menjadi energi listrik menggunakan panel surya. Tegangan yang dihasilkan oleh panel surya 50 watt-peak sebanyak 4 (empat) 17,6V-8V .Panel surya dipasang secara paralel dengan maksud membesarkan arus keluar ...
Pitvande, Yanuar Hidayat
core  

Ultra‐Durable Information‐Encoded Anti‐Counterfeiting Self‐Assembled Nanocrystal Labels

open access: yesAdvanced Optical Materials, EarlyView.
Ultra‐durable cost‐effective information‐encoded anti‐counterfeiting labels are fabricated to secure semiconductor chips. A novel method is used to self‐assemble colloidal quantum wells (CQWs) into color bars. Information can be encoded spatially, spectrally, and opto‐spatially.
Taha Haddadifam   +6 more
wiley   +1 more source

Extended Analysis of Non-Isolated Bidirectional High Gain Converter

open access: yesAdvances in Electrical and Computer Engineering, 2023
This paper focuses on developing a non-isolated bidirectional high gain converter suited for EV charging. This converter has two ports with bidirectional features which functions in both buck and boost operation.
ANJANA, E., RAMAPRABHA, R.
doaj   +1 more source

Series Connected Buck-Boost Regulator [PDF]

open access: yes, 2006
A Series Connected Buck-Boost Regulator (SCBBR) that switches only a fraction of the input power, resulting in relatively high efficiencies. The SCBBR has multiple operating modes including a buck, a boost, and a current limiting mode, so that an output ...
Birchenough, Arthur G.
core   +3 more sources

Generic closed loop controller for power regulation in dual active bridge DC-DC converter with current stress minimization [PDF]

open access: yes, 2018
This paper presents a comprehensive and generalized analysis of the bidirectional dual active bridge (DAB) DC/DC converter using triple phase shift (TPS) control to enable closed loop power regulation while minimizing current stress.
Abdelsalam, Ibrahim   +3 more
core   +3 more sources

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