Novel label-free fluorescence aptasensor for chloramphenicol detection based on a DNA four-arm junction-assisted signal amplification strategy.
Sign Up to like & getrecommendations! Published in 2021 at "Food chemistry"
DOI: 10.1016/j.foodchem.2021.130648
Abstract: A novel label-free fluorescence aptasensor was established for chloramphenicol (CAP) detection by DNA four-arm junction-assisted target recycling and SYBR Green I dye-aided fluorescence-signal amplification. The CAP aptamer was hybridized to its complementary strand (primer) to… read more here.
Keywords: detection; four arm; fluorescence; dna four ... See more keywords
Novel four-arm star oligomeric surfactants: Synthesis and tensioactive properties
Sign Up to like & getrecommendations! Published in 2017 at "Surfaces and Interfaces"
DOI: 10.1016/j.surfin.2017.04.007
Abstract: Abstract Novel four-arm-star shaped oligomeric (tetrameric) surfactants, bearing four alkyl aryl hydrophobic chains and four anionic hydrophilic headgroups connected by pentaerythritol, were firstly designed and synthesized by four-step procedures involving the aryl oleic acid pentaerythritol… read more here.
Keywords: novel four; surface; four arm; arm star ... See more keywords
Unsupervised Learning Unravels the Structure of Four-Arm and Linear Block Copolymer Micelles
Sign Up to like & getrecommendations! Published in 2021 at "Macromolecules"
DOI: 10.1021/acs.macromol.0c02523
Abstract: Understanding the nanoscale structure of polymeric micelles is challenging: their relatively small size tests the limits of most experimental techniques, while the great conformational flexibility ... read more here.
Keywords: learning unravels; unravels structure; unsupervised learning; structure ... See more keywords
Design and fabrication of a multi-purpose four arm electrothermal microgripper; a novel approach to control maximum gripping force limit
Sign Up to like & getrecommendations! Published in 2024 at "Physica Scripta"
DOI: 10.1088/1402-4896/ad5a4f
Abstract: The development of microgrippers requires accurate control of force and position for the grasping mechanisms in micromanipulation. This controllability ensures the safe transfer of sensitive micro-objects, such as living cells. The design of microgrippers is… read more here.
Keywords: micro objects; control; force; gripping force ... See more keywords
A digital four-arm bridge for the comparison of resistance with capacitance
Sign Up to like & getrecommendations! Published in 2024 at "Metrologia"
DOI: 10.1088/1681-7575/ad7590
Abstract: We have built and demonstrated a digital four-arm bridge for the comparison of resistance with capacitance. The digital four-arm bridge mimics the classical quad bridge in the digital domain with three balances: the source balance,… read more here.
Keywords: comparison; bridge; arm bridge; digital four ... See more keywords
Four-Arm Sinuous Antenna With Low Input Impedance for Wide Gain Bandwidth
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3163821
Abstract: An improved method of reducing the input impedance of a four-arm sinuous antenna is demonstrated for a wide gain bandwidth. The proposed antenna has a dual-linear polarized response for electronic support measures (ESM) systems and… read more here.
Keywords: four arm; input impedance; impedance; gain bandwidth ... See more keywords
A Wideband, Scanning Array of Four-Arm Spiral Elements for Simultaneous Transmit and Receive
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2020.2970402
Abstract: Simultaneous transmit and receive (STAR) is attractive because it doubles spectral efficiency and alleviates radio frequency spectrum congestion. As expected, a major challenge in STAR is the high power leakage from the transmitter to the… read more here.
Keywords: simultaneous transmit; array; transmit receive; isolation ... See more keywords
Performance Characterization of Four-Arm MAW Spiral Antennas for Digital Direction-of-Arrival Sensing
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2018.2819718
Abstract: The characterization of four-arm modulated arm width (MAW) spiral antennas for linearly polarized direction-of-arrival (DOA) sensing with a directly connected coherent receiver and digital backend is discussed. The performance is assessed from the system level,… read more here.
Keywords: four arm; characterization four; spiral antennas; maw spiral ... See more keywords
The influence of the method of excitation of a near ground four-arm spiral HF band antenna on its characteristics
Sign Up to like & getrecommendations! Published in 2024 at "Radioengineering"
DOI: 10.18127/j00338486-202401-14
Abstract: Abstract. Four-arm spiral antennas with internal excitation are common and are part of many radio communication, navigation and location systems (including the HF band). There are known objections in the design of these antennas, which… read more here.
Keywords: antenna; excitation; near ground; four arm ... See more keywords