Results 21 to 30 of about 148,748 (316)
Hydrophilic Natural Polylysine as Drug Nanocarrier for Preparation of Helical Delivery System
Pharmaceutics, 2022 Polypeptide materials have clear secondary structure and biodegradability, which can be further modified and functionalized, so that they can be employed as therapeutic agents in clinical applications. PEGylation of polylysine (PEG-PLL) is a kind of safe
Bo Yu +4 more
doaj +1 more source
A 2.2GHz Sub-Sampling PLL with 0.16psrms Jitter and -125dBc/Hz In-band Phase Noise at 700μW Loop-Components Power [PDF]
, 2010 A divider-less PLL exploits a phase detector that directly samples the VCO with a reference clock. No VCO sampling buffer is used while dummy samplers keep the VCO spur
Bohsali, Mounhir +4 more
core +3 more sources
Low Power 24 GHz ad hoc Networking System Based on TDOA for Indoor Localization
ISPRS International Journal of Geo-Information, 2013 This paper introduces the key elements of a novel low-power, high precision localization system based on Time-Difference-of-Arrival (TDOA) distance measurements. The combination of multiple localizable sensor nodes, leads to an ad hoc network.
Melanie Jung +3 more
doaj +1 more source
Integral‐type half‐tangent phase‐locked loop for more electric aircraft grids
IET Power Electronics, 2023 In this paper, an integral‐type half‐tangent phase‐locked loop (IHTan‐PLL) is proposed for the varying‐frequency AC grids of more electric aircraft (MEA).
Yiyun Zhao +5 more
doaj +1 more source
Sensorless control for surface mounted PM machine with a high inertial load
CES Transactions on Electrical Machines and Systems, 2018 PM machine or Permanent magnet synchronous motor (PMSM) is a nonlinear system with multivariable couplings. To achieve the sensorless control of a PMSM with high inertial load, a modified current observer, using PI regulator instead of sliding mode ...
Qidong Li +4 more
doaj +1 more source
IET Smart Grid, 2020 The large-scale penetration of electric vehicles (EVs) into the power system will provoke new challenges needed to be handled by distribution system operators (DSOs). Demand response (DR) strategies play a key role in facilitating the integration of each
İbrahim Şengör +5 more
doaj +1 more source
Processor PIC18F46K22 Applied as DTMF Generator
Advances in Electrical and Electronic Engineering, 2015 Submitted article describes an application of microcontroller PIC18F46K22 for generating DTMF (Dual Tone Multi-Frequency) signal. Used microcontroller is optimal for this application - it has timers with compare facilities, sufficient number of PWMs ...
Radek Novak
doaj +1 more source
Comparative study of osteogenic activity of multilayers made of synthetic and biogenic polyelectrolytes [PDF]
, 2017 Polyelectrolyte multilayer (PEM) coatings on biomaterials are applied to tailor adhesion, growth, and function of cells on biomedical implants. Here, biogenic and synthetic polyelectrolytes (PEL) are used for layer-by-layer assembly to study the ...
Gonzalez-Garcia, Cristina +4 more
core +1 more source
Frontiers in Nutrition, 2021 The dietary needs of humans for provitamin A carotenoids arise from their inability to synthesize vitamin A de novo. To improve the status of this essential micronutrient, special attention has been given to biofortification of staple foods, such as ...
Shu Yu, Li Tian
doaj +1 more source
CMOS mixed-signal MODEM for data transmission and control of electrical household appliances using the low-voltage power-line [PDF]
, 2003 This paper presents a CMOS 0.6μm mixed-signal MODEM ASIC for data transmission using the low-voltage power line. This circuit includes all the analog blocks needed for input interfacing and modulation/demodulation (PLL-based frequency synthesis, slave ...
Domínguez Matas, Carlos +4 more
core +1 more source