fixative

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fixative

1. a fluid usually consisting of a transparent resin, such as shellac, dissolved in alcohol and sprayed over drawings to prevent smudging
2. Cytology a fluid, such as formaldehyde or ethanol, that fixes tissues and cells for microscopic study
3. a substance added to a liquid, such as a perfume, to make it less volatile

fixative

[′fik·səd·iv]
(materials)
A chemical or a mixture of chemicals used to treat biological specimens before preservation so as to retain a reasonable facsimile of their appearance when alive.
A substance used to increase the durability of another substance; used to fix dye mordants, hold textile dyes and pigments, and slow the rate of perfume evaporation. Also known as fixing agent.
References in periodicals archive ?
This has not been so with the fixatives studied with dye extracts from P.
The protein yield from all tested tissue fixatives and frozen tissues was evaluated.
Mercury-based fixatives, such as Zenker fluid or B-5, cannot be used for EM without heroic effort.
However, many fixative polymers are sensitive to moisture from humidity, rain or sweat and this causes the hair to lose its style prematurely.
Aquaflex[R] XL-30--A fixative polymer that delivers flexible/ touchable hold, style durability, volume and shine to hair.
With the recent acquisition of Cytec's POLYFLEX[R] micropolymer retention aid product line and distribution rights for Cytec's other retention, drainage and fixative paper chemicals, our expanded paper chemicals range includes products and services for manufacturing high performance printing & writing papers, paperboard & packaging, tissue & toweling and mill water management programs.
As a consequence, the "workhorse" fixative polymers for most commercial hairstyling gel products have been restricted to water-soluble fixatives such as PVP and water-soluble PVP/VA copolymers.
Some of these new acrylate resins have been able to increase high humidity curl retention, but the synthetic fixatives are tacky and require rheology modifiers to create a gel system.
Luviset[R] Clear is a new, innovative and high performance hair fixative polymer.
Traditional PVP fixatives form a strong, but very brittle film that tends to be easily fractured and then flakes or dusts, visible at just 350X magnification (Fig.
is engaged in the manufacturing and marketing of a diverse line of medical devices and proprietary tissue fixatives.