Results 11 to 20 of about 4,854,135 (253)

Towards a commerical microelectrode array based sensor for improved chlorine detection. [PDF]

open access: yes, 2005
The commercial development of a disposable aqueous chlorine sensor based on a novel microelectrode array fabrication process is described. Non-conducting poly(o-phenylenediamine) films are firstly used to passivate conductive surfaces.
Mills, Daniel W.
core   +7 more sources

How Low Can It Go? ATR-FTIR Characterization of Compounds Isolated from Ginger at the Nanogram Level

open access: yesEngineering Proceedings, 2023
This proof-of-concept study demonstrated the potential of attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy for the structural characterization of natural products when only very small quantities of the target compound are ...
Joel B. Johnson   +3 more
doaj   +1 more source

Stochastic Time Response and Ultimate Noise Performance of Adsorption-Based Microfluidic Biosensors

open access: yesBiosensors, 2021
In order to improve the interpretation of measurement results and to achieve the optimal performance of microfluidic biosensors, advanced mathematical models of their time response and noise are needed. The random nature of adsorption–desorption and mass
Ivana Jokić   +5 more
doaj   +1 more source

PROFIL MAHASISWA DALAM MEMPELAJARI MATERI LIMIT BARISAN PADA MATA KULIAH KALKULUS PEUBAH BANYAK [PDF]

open access: yes, 2022
Penelitian ini didasarkan pada banyaknya mahasiswa Prodi Pendidikan Matematika Universitas Bung Hatta yang gagal menyelesaikan soal Ujian Tengan Semester Kalkulus Peubah Banyak tentang limit barisan.
Vermana, Listy   +3 more
core   +1 more source

Turbo Decoding and Detection for Wireless Applications [PDF]

open access: yes, 2007
A historical perspective of turbo coding and turbo transceivers inspired by the generic turbo principles is provided, as it evolved from Shannon’s visionary predictions.
Robertson, Patrick   +5 more
core   +2 more sources

Cr-MOF-Based Electrochemical Sensor for the Detection of P-Nitrophenol

open access: yesBiosensors, 2022
Cr-MOF nanoparticles were synthesized by a simple hydrothermal method, and their morphology and structure were characterized by SEM, TEM, and XRD techniques.
Chao Hu   +3 more
doaj   +1 more source

Effect of UV Scattering on Detection Limit of SO2 Cameras

open access: yesRemote Sensing, 2023
SO2 ultraviolet (UV) camera technology has been successfully applied to the accurate imaging detection of pollutant gas concentration; however, the actual detection ability of this technology has not been intensively studied, especially the detection ...
Kuijun Wu   +6 more
doaj   +1 more source

Detection Limit Mediated Advancements in the Fabrication Technologies of SPR Biosensor [PDF]

open access: yesBIO Web of Conferences
Surface plasmon resonance (SPR) biosensors are a key advancement in optical sensing technology for label-free biomolecular detection. Real-time analysis using these sensors is highly sensitive to changes in refractive index. Over the last two decades, in-
Garg Kamya, Mathur Ashwani
doaj   +1 more source

A modified TCAD simulation model for a-InGaZnO based ISFETs on GaAs substrate for pH sensing applications

open access: yesMaterials Research Express, 2021
In this paper, an ISFET model is established and its accuracy is verified. The model can overcome the limitation of TCAD of not supporting electrolyte solution simulation.
Hui Wang, Naiyun Tang
doaj   +1 more source

Response-based multiple imputation method for minimizing the impact of covariate detection limit in logistic regression

open access: yes, 2021
Presence of detection limit (DL) in covariates causes inflated bias and inaccurate mean squared error to the estimators of the regression parameters.
Hossain, Shahadut   +2 more
core   +1 more source

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