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COUNTER, Eng. law. The name of an ancient prison in the city of London, which has now been demolished.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
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The intricacies involved in setting up a scintillation counter have driven some users to newer technologies such as chromogenic, fluorescent and luminescent instruments.
Market profile: liquid scintillation counters
Similar to EDX and attached to a SEM, it uses a crystal instead of a scintillation counter to separate and measure the characteristic X-rays given off from the sample when viewed with the electron beam.
Rising to the surface - the use of surface analysis techniques in problem solving. (Technology Update)
DXA uses a collimated pencil beam (1.5 mm) of dual-energy x-rays that are aligned and connected to a scintillation counter.[4] As the patient lies on the DXA table, 2 x-ray beams pass through the body from below.
DXA's Role Diagnosing Osteoporosis
Small-angle X-ray scattering (SAXS) data were obtained with a KRM-type diffractometer (Kratky collimation; primary beam intensity control with a monitoring channel; evacuation of the sample chamber) in the range of scattering angles 20 from 3[prime] to 3 deg (copper radiation; nickel filtering of the primary beam; step-by-step scanning regime: recording of scattering radiation with a scintillation counter and digital conversion).
Influence of the structure of soft and stiff chain fragments in properties of segmented polyurethanes. I. Phase morphology
In experiments 1-3, a small amount of the DNA solution was transferred into a counting vial and the amount of incorporated radioactivity was measured in a liquid scintillation counter. In experiment 4, to demonstrate that the methylation of deoxycytidine residues was reduced, we performed an enzymatic hydrolysis of the isolated DNA as described below.
Inhibition of DNA methylation in malignant MOLT F4 lymphoblasts by 6-mercaptopurine
After 24-hr incubation with samples, cells were harvested with 50 [micro]L of cell lysis buffer (Promega) and the firefly and renilla luciferase activities were determined with the dual luciferase assay kit (Promega) by measuring luminescence with a Wallac Micro-Beta scintillation counter (PerkinElmer Life Sciences, Boston, MA, USA).
Antiandrogenic activity and metabolism of the organophosphorus pesticide fenthion and related compounds. (Research)
Liquid scintillation cocktail was added to each well (30 [micro]L Microscint 20; Packard), and the plates were counted using a TopCount Microplate Scintillation Counter (Packard).
A competitive ELISA to detect brevetoxins from Karenia brevis (formerly Gymnodinium breve) in seawater, shellfish, and mammalian body fluid. (Articles)
The mat was cooled and then counted on a 1450 Microbeta (Perkin Elmer Life Sciences) scintillation counter.
Biomonitoring Brevetoxin Exposure in Mammals Using Blood Collection Cards

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