colloidal

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colloidal

 [kŏ-loi´d'l]
of the nature of a gel or gluelike substance in which particles are held in suspension.
colloidal gold test a test of cerebrospinal fluid based on alterations in the albumin-globulin ratios that occur in certain disorders of the central nervous system. Normal spinal fluid, when diluted and added to a colloidal gold suspension, will not precipitate the colloidal gold. The extent of precipitation is indicative of various diseases such as multiple sclerosis, poliomyelitis, and encephalitis. A positive reaction also occurs in the presence of neurosyphilis. The sample of spinal fluid must not contain blood because this will cause a false-positive reaction.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

col·loi·dal

(ko-loyd'ăl),
Denoting or characteristic of a colloid.
Farlex Partner Medical Dictionary © Farlex 2012

col·loi·dal

(kol-oyd'ăl)
Denoting or characteristic of a colloid.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
To increase affinity between BT particle surface and PMMA host polymer and to stabilize the BT particles colloidally, the BT particles were coated with PMMA by polymerizing MMA monomer on the BT particle surface.
The PMMA-coating probably increases the affinity between BT particle surfaces and PMMA and stabilizes the BT particles colloidally. Consequently, aggregation of BT particles during film fabrication was suppressed.
This reflects the fact that smaller particles have at comparable volume fractions a higher particle number density, a shorter averaged surface-to-surface distance, a higher relative mobility, and lower potential barriers, and, therefore, rely on denser surfactant layers to become colloidally stable.
They obtained colloidally stable nanoparticles with a modest radiolabeling yield.
Greguric et al., "Tunable and noncytotoxic PET/SPECT-MRI multimodality imaging probes using colloidally stable ligand-free superparamagnetic iron oxide nanoparticles," International Journal of Nanomedicine, vol.
The aqueous dispersion has a Brookfield viscosity, at 60 rpm using spindle three, of less than 2000 cps and colloidally stable and sedimentation stable.
On the basis of clinical data, the aim of the present study has been the development of a highly colloidally stable turbidimetric reagent with a detection limit <0.3 mg/L for CRP and an analytical range up to 50-100 mg/L, which may be applicable to most of the turbidimetric clinical chemistry analyzers.
For practical use, it is essential to obtain microparticle reagents colloidally stable under reaction and storage conditions, with the stability often depending on protein coverage.
polymerized aniline in the presence of ultrafine colloidal silica particles in an aqueous medium, to form colloidally stable PANI-silica particles.
Our system is poly(methyl methacrylate) latex dispersed in heptane and colloidally stabilized by a surface layer of polydimethylsiloxane (silicone).
F-NPs are not colloidally stable in aqueous media near neutral pH because the surface of the metal oxide is not electrostatically charged.