Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A white solid oligomer of formaldehyde, (CH2O)n, where n is at least 6, used as a disinfectant, fumigant, and fungicide.
from The Century Dictionary.
- noun A polymerized formaldehyde, (CH2O)n + H2O, formed by evaporation of an aqueous solution of formaldehyde. It is an amorphous solid that dissolves gradually in water. By heating with water at 130° C. it is reconverted to formaldehyde. It is used as an antiseptic.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) A polymer of formaldehyde obtained as a white crystalline substance by concentration of a formaldehyde solution. Formula (CH20)n. It dissolves in hot water with the release of formaldehyde, and is used as a disinfectant.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry A solid
oligomer offormaldehyde that is used as afumigant , and as afixative inhistology
Etymologies
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Examples
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- a 24-hour process called paraformaldehyde decontamination that involves locking down the lab.
legitgov 2008
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Researchers at The University of Hong Kong found that disinfectants like bleach, ethanol, phenol, formaldehyde and paraformaldehyde can kill the virus, the W.H.O. said.
Archive 2003-05-01 2003
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Researchers at The University of Hong Kong found that disinfectants like bleach, ethanol, phenol, formaldehyde and paraformaldehyde can kill the virus, the W.H.O. said.
Medpundit 2003
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In addition to formaldehyde, paraformaldehyde, trioxymethylene, methylal, hexamethylene-tetramine, and other substances containing a reactive methylene group, as well as acetaldehyde, benzaldehyde and other aldehydes may be employed to induce reaction.
Synthetic Tannins Georg Grasser
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Differences were considered to be significant at Animals were perfused with PBS first, followed by 2% paraformaldehyde.
PLoS ONE Alerts: New Articles Shaomei Wang et al. 2010
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Samples were then fixed with paraformaldehyde in 100 mM phosphate buffer pH 7.4 for 20 min, washed with PBS and blocked with PBS 3% (w/v) BSA, 1%
PLoS ONE Alerts: New Articles Cira Daniela Rinaudo et al. 2010
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The slurry was subjected to paraformaldehyde (1%) for microbial inactivation.
PLoS ONE Alerts: New Articles Neelkamal Chaudhary et al. 2010
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Eyes were fixed in 2% paraformaldehyde for 30 minutes, and then retinal whole mount was prepared as above and examined under a confocal microscope.
PLoS ONE Alerts: New Articles Shaomei Wang et al. 2010
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Slices were incubated in oxygenated ACSF for one hr and were then fixed in a solution containing 4% (wt/vol) paraformaldehyde in 100 mM phosphate buffer (pH 7.5) overnight at 4°C.
PLoS ONE Alerts: New Articles Nyresa C. Alves et al. 2010
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The eyes were then removed, immersed in 2% paraformaldehyde for one hour, infiltrated with sucrose, embedded in OCT and cut in sequence 10 µm horizontal sections apart on a cryostat.
PLoS ONE Alerts: New Articles Shaomei Wang et al. 2010
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