quaternary ammonium compounds


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quaternary ammonium compounds

Compounds in which the four hydrogen atoms of the ammonium radical are replaced by organic radicals. They are used as antiseptics.
References in periodicals archive ?
(21) The selective DNA binding between guanidine molecules and bacteria chromosomes (48) differentiates the antibacterial action of guanidine compounds from classical quaternary ammonium compounds, which commonly act only in bacteria wall and membrane.
Ator et al., "From antimicrobial activity to mechanism of resistance: the multifaceted role of simple quaternary ammonium compounds in bacterial eradication," Tetrahedron, vol.
It is a quaternary ammonium compound which has a strong surface activity, and its effect on the reduction of plaque and calculus has been demonstrated previously [19].
Key Word: Fumigation, Effectiveness, Quaternary ammonium compounds, Formaldehyde.
Currently, quaternary ammonium compound can be used in various kinds of water-based oilfield working fluid and has superior compatibility with traditional additives, and it can meet environmental protection requirements [9].
Compatible with the widest range of healthcare disinfectants, including quaternary ammonium compounds, peroxides, and bleaches, the lightweight microfiber wipes, hand pads and floor pads remove fine particles, larger debris and potentially infectious materials from surfaces in critical patient care areas.
Polymeric quaternary ammonium compounds have received the most attention of the years as antimicrobial polymer (Russell, E., 2002).
coli are a bit more challenging, but nonetheless can be addressed with quaternary ammonium compounds, phenolic disinfectants and alcohols.
"Using disinfecting wipes containing quaternary ammonium compounds HHHC (QUATS) registered by the EPA as effective against viruses like norovirus and flu, along with hand hygiene, reduced virus spread by 80 percent to 99 percent." Norovirus is the most common cause of acute gastroenteritis nationwide, reported the Centers for Disease Control and Prevention (CDC).
Quaternary ammonium compounds (QACs) found in many microbial environments, which have different biological functions.
Two disinfectant biocides, Azoactive[TM] and Azomax[TM], are available in a variety of formats to suit many applications and are based on a highly effective formulation of quaternary ammonium compounds (QACs) and polymeric biguanide (PHMB).