• The limit of detection (LOD or LoD) is the lowest signal, or the lowest corresponding quantity to be determined (or extracted) from the signal, that can...
    17 KB (2,177 words) - 14:52, 26 May 2025
  • the longer the count, for the same system, the better the detection limit. The detection limit, often referred to as the Minimum Detectable Activity (MDA)...
    9 KB (1,374 words) - 08:54, 17 June 2025
  • Thumbnail for Urine test strip
    esterases. The detection limit of a test is the concentration at which the test starts to turn from negative to positive. Although the detection limit may vary...
    54 KB (6,376 words) - 20:59, 17 June 2025
  • Thumbnail for Sensitivity and specificity
    sample that can accurately be measured by an assay (synonymously to detection limit), and "analytical specificity" is defined as the ability of an assay...
    27 KB (4,142 words) - 11:17, 18 April 2025
  • Thumbnail for X-ray photoelectron spectroscopy
    used, XPS easily detects all elements except hydrogen and helium. The detection limit is in the parts per thousand range, but parts per million (ppm) are...
    43 KB (6,252 words) - 19:12, 19 May 2025
  • with a special coincidence photon-counting setup. The concept of the detection limit for chemical imaging is quite different from for bulk spectroscopy...
    35 KB (4,435 words) - 10:00, 28 May 2025
  • being allowed, in practice meaning that any alcohol level beyond the limit of detection will result in penalties. The highest specific threshold is 0.08%...
    93 KB (10,612 words) - 16:24, 9 May 2025
  • the detection of nitazenes. The drug sample is added to water and requires sufficient solubility for the test to be successful. The detection limit of...
    8 KB (908 words) - 05:03, 11 May 2025
  • argued that the second definition, which is closely related to the detection limit, is a better indicator of the performance of a measuring system. To...
    14 KB (2,100 words) - 04:48, 25 May 2025
  • Thumbnail for Lidar traffic enforcement
    speed limit enforcement, has been gradually replacing radar since 2000. Current devices are designed to automate the entire process of speed detection, vehicle...
    16 KB (2,121 words) - 20:18, 12 June 2025
  • Thumbnail for Paper-based biosensor
    potentiostat. This device is less sensitive than some others, with a detection limit of 1.9 × 103 CFU/mL. By comparison, some ELISAs range from 20 CFU/mL...
    17 KB (2,024 words) - 00:17, 16 June 2025
  • Thumbnail for Secondary-ion mass spectrometry
    SIMS is the most sensitive surface analysis technique, with elemental detection limits ranging from parts per million to parts per billion. In 1910, British...
    18 KB (2,252 words) - 01:44, 24 May 2025
  • analytical detection limits. The TLV is a recommendation by ACGIH, with only a guideline status. As such, it should not be confused with exposure limits having...
    15 KB (1,731 words) - 22:34, 19 November 2024
  • Thumbnail for Chemiluminescence
    allows detection of minute quantities of a biomolecule. Proteins can be detected down to femtomole quantities, well below the detection limit for most...
    18 KB (2,159 words) - 16:19, 23 June 2025
  • Thumbnail for Ida Noddack
    we conclude that the detection limit for their observing the X-rays of Z = 43 can be 1000 times lower than the 10−9 detection limit for the element Z =...
    30 KB (3,350 words) - 03:44, 23 June 2025
  • Thumbnail for Spectrofluorometer
    accepted standard is by using the Raman signal of water. Sensitivity or detection limit is another specification to be considered, that is how little light...
    3 KB (324 words) - 06:39, 23 May 2025
  • utilize the plasmon coupling between nanoparticles to achieve ultralow detection limit. Plasmon ruler refers to a dimer of two identical plasmonic nanospheres...
    5 KB (591 words) - 04:49, 28 May 2025
  • of chemical species present may be extremely low and close to the detection limit of the analytical method. In well managed laboratories, AQC processes...
    7 KB (768 words) - 21:02, 27 May 2025
  • Thumbnail for Cork taint
    depending on an individual's sensitivity,[not verified in body] where the detection limit is also complicated by the olfactory system's particularly quick habituation...
    17 KB (2,073 words) - 23:16, 23 May 2025
  • Thumbnail for Transfluthrin
    hour of exposure at concentrations below 0.3 μg/m3 (which was the detection limit) in air. (The data suggests that transfluthrin is effective at these...
    6 KB (412 words) - 07:47, 19 May 2024
  • Thumbnail for Miniature mass spectrometer
    laboratory standards, MMS is designed to maintain sufficient resolutions, detection limits, accuracy, and especially the capability of automatic operation. These...
    26 KB (3,441 words) - 15:04, 9 June 2025
  • Thumbnail for Polarography
    signal. This technique results in a 100 to 1000-fold improvement of the detection limit, because the capacitive component is effectively subtracted. Qualitative...
    9 KB (1,246 words) - 11:19, 17 December 2024
  • After detection, the noise is removed. A fourfold improvement in the detection limit can be obtained. Mutual coherence (linear algebra) Signal detection theory...
    19 KB (2,218 words) - 05:41, 29 May 2025
  • An intrusion detection system (IDS) is a device or software application that monitors a network or systems for malicious activity or policy violations...
    46 KB (5,513 words) - 03:39, 6 June 2025
  • sample that can accurately be measured by an assay (synonymously to detection limit), and "analytical specificity" is defined as the ability of an assay...
    9 KB (1,168 words) - 23:41, 23 May 2025
  • Thumbnail for Historic eruptions of Mount Fuji
    earthquake show the CO2 emissions below 5 gCO2/m3/day, which is the detection limit. If the emissions rise above 5 gCO2/m3/day then seismic activity is...
    10 KB (1,283 words) - 18:45, 11 June 2025
  • Thumbnail for Submerged munitions
    quantification limit of 0.20 μg/l Detection limit of 2-Amino-4,6-dinitrotoluene: 0.07 μg/l with a quantification limit of 0.22 μg/l Detection limit of 4-Amino-2...
    96 KB (12,429 words) - 22:14, 18 June 2025
  • Thumbnail for Natural methane on Mars
    Mars' atmosphere. Measurements of methane from 60 ppbv to under the detection limit (<0.05 ppbv) have been reported, but there is no scientific consensus...
    26 KB (2,646 words) - 01:33, 29 May 2025
  • concentration according to the Boltzmann distribution is below the detection limit.[citation needed] In ionic crystals, which usually possess low coordination...
    5 KB (600 words) - 19:57, 22 March 2024
  • specific mine or bullion source. Elements that are measured above detection limits can be used for gold fingerprinting and geochemical characterization...
    8 KB (1,034 words) - 16:46, 13 October 2024