Results 1 to 10 of about 8,972,343 (398)

Ultralow detection limit and ultrafast response/recovery of the H2 gas sensor based on Pd-doped rGO/ZnO-SnO2 from hydrothermal synthesis. [PDF]

open access: goldMicrosyst Nanoeng, 2022
Hydrogen (H 2 ) sensors are of great significance in hydrogen energy development and hydrogen safety monitoring. However, achieving fast and effective detection of low concentrations of hydrogen is a key problem to be solved in hydrogen sensing.
Zhang X   +8 more
europepmc   +4 more sources

Resolution limit in community detection [PDF]

open access: yesProceedings of the National Academy of Sciences, 2006
Detecting community structure is fundamental to clarify the link between structure and function in complex networks and is used for practical applications in many disciplines. A successful method relies on the optimization of a quantity called modularity
Aral   +14 more
core   +7 more sources

Material Limitations on the Detection Limit in Refractometry [PDF]

open access: yesSensors, 2009
We discuss the detection limit for refractometric sensors relying on high-Q optical cavities and show that the ultimate classical detection limit is given by min{Dn} > eta with n+i*eta being the complex refractive index of the material under ...
Armani   +30 more
core   +11 more sources

Determination of X-ray detection limit and applications in perovskite X-ray detectors. [PDF]

open access: yesNat Commun, 2021
X-ray detection limit and sensitivity are important figure of merits for perovskite X-ray detectors, but literatures lack a valid mathematic expression for determining the lower limit of detection for a perovskite X-ray detector. In this work, we present
Pan L   +4 more
europepmc   +2 more sources

Measurements below the detection limit

open access: yesTidsskrift for Den norske legeforening, 2022
Let's start with an example: Figure 1 shows a fictional dataset of measurements of serum levels of a substance in two patient groups. The crosses indicate the actual values, but only those above the lower detection limit can be measured. We know how many
Stian Lydersen, Guro F. Giskeødegård
openaire   +3 more sources

Silver SERS Adenine Sensors with a Very Low Detection Limit. [PDF]

open access: yesBiosensors (Basel), 2020
The detection of adenine molecules at very low concentrations is important for biological and medical research and applications. This paper reports a silver-based surface-enhanced Raman scattering (SERS) sensor with a very low detection limit for adenine
Tzeng Y, Lin BY.
europepmc   +2 more sources

Toward single particle reconstruction without particle picking: Breaking the detection limit [PDF]

open access: green, 2018
Single-particle cryo-electron microscopy (cryo-EM) has recently joined X-ray crystallography and NMR spectroscopy as a high-resolution structural method for biological macromolecules.
Bendory, Tamir   +4 more
core   +2 more sources

A highly sensitive piezoresistive sensor based on MXenes and polyvinyl butyral with a wide detection limit and low power consumption. [PDF]

open access: yesNanoscale, 2020
As a new class of two-dimensional transition-metal carbides and carbonitrides, MXenes have been widely used in energy storage, sensing, catalysis, electromagnetic interference shielding and other fields.
Ruzhan Qin   +8 more
semanticscholar   +1 more source

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