Quaternary ammonium compound (QAC) for disinfection: mechanism of action

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2018-03-21 03:14:13

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Mankind defeated a terrible disease. But still the danger from pathogenic microorganisms lies in wait for man at every step. Therefore, the maintenance of cleanliness-the guarantee of health. As a cleaning and disinfecting assistants often tools are used, the active active ingredient which are Quaternary ammonium compound (QAC).

Disinfection in the health care

There is Little sign of extensive lists of substances-disinfectants, in addition to specialists. Ordinary people buy in stores, cleaning, paying little attention to their composition. Cleans, disinfects, smells good – key indicators such household funds.

But public institutions, and especially such as curative, preventive facilities, swimming pools and similar organizations to require a special approach to cleaning and disinfection of all surfaces.

Quaternary ammonium compounds – one of the many disinfectants. Speaking of disinfection, people often mean products based on chlorine or alcohol. That HOUR was also an active means of combating pathogenic organisms, few know. Although almost one fifth of the used for disinfection preparations contain these substances.

Quaternary ammonium compounds

The

HOURS of Availability

Disinfectants containing HOUR – Quaternary ammonium compounds, – they have an absolute, if I may say so, practicality. They are available – this is an important factor for manufacturers of disinfectants. After having dissolved the substance of the additional components up to a certain concentration, it is possible to obtain an effective, sought after cheap tool for cleaning and disinfection.

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On the other hand, Quaternary ammonium compounds low toxicity to humans and animals substance. Usually during the use of chlorinated compounds requires copious rinsing of treated surfaces with clean water to prevent their destruction under the influence of chlorine and its derivatives, and also due to the release into the atmosphere of toxic compounds. So, the HOURS do not have a corrosive effect on all the machined surfaces and have a minimal toxicity.

hour of Quaternary ammonium compounds

HOURS – what is it?

The Abbreviation of HOUR, which can be seen on the packaging with disinfectant preparations as the active substance stands for Quaternary ammonium compounds. The mechanism of action of these funds enables you to handle household items, medical instruments, surfaces in public places and hospitals for disinfection activities. Among the means-disinfectants HOUR is quite a wide niche, due to their accessibility, practical harmlessness and absence of the destructive action on the treated surface.

Quaternary ammonium compound mechanism of action

Chemical formula

One of the affordable and effective substances used for disinfection in various public spaces, as well as in life – Quaternary ammonium compounds. Their formula is based on a combination of tetravalent nitrogen with other organic chemical substances. The General formula of these substances will be (RR’R’’R’’’N)+ X-. In natural conditions, Quaternary ammonium compounds – the crystals. However, they are found in many plants in the form of alkaloids. Quaternary ammonium compounds, the chemical composition of which is read by the formula [(CH3)4N]+X- found in marine anemone.

Quaternary ammonium compounds in medicine

Work HOURS?

Quaternary ammonium compounds are used as substances of disinfectants against many bacteria. This is due to their properties as surface-active antiseptic substances. Acting on the microorganisms Quaternary ammonium compounds have an adverse effect on their cells. At low concentrations of the HOUR affect the ability of division and multiplication of pathogenic microorganisms in sufficient concentration to cause the HOUR of their death. When you work with the HOUR, be sure to consider that studies have shown mandatory working solution concentration 0,5-1 %. If the concentration of active substances is less, it is likely to cause habituation of bacteria to the effects of h, which is fraught with aggravation of the epidemiological situation in the place.

hour of Quaternary ammonium compounds for pool

Working concentration

It Turns out that not always the persons who take the decision about the processing of certain surfaces with disinfecting substances, I can determine whether varying the concentration of the working solution with an HOUR. This is due to the ambiguity of such concepts as minimum inhibitory concentration andthe minimum bactericidal concentration of the working substance.

These two terms, though similar, but have completely different value from the point of view of disinfection of surfaces. Inhibition – it means oppression, braking development, and bactericidal activity – the complete destruction of pathogenic bacteria. In addition, different types of bacteria exposed to different concentrations of the HOUR.

So before you purchase and use a particular disinfectant, comprising a Quaternary ammonium compound, it is an analysis of the presence of pathogenic microorganisms. Also note that the HOURS do not have a negative effect on Mycobacterium tuberculosis. So if you have them you should use other substances-disinfectants.

hour of the Quaternary ammonium compounds of the formula

Features of use HOURS

One of the most popular tools for disinfection of surfaces – Quaternary ammonium compounds. In medicine, these substances are widely used for disinfection of working surfaces, medical instrument. With its accessibility and low cost HOUR are actively fighting with pathogenic bacteria, not allowing them to spread and harm to human health. The only feature of these disinfectants is their exposure to various organic substances. This requires pre-processing of surfaces from dirt and rinse with clean water.

Also, be aware that the usual soap that is used for washing hands, is also a substance that destroys the HOUR, depriving their disinfecting qualities. Therefore, hands should also be rinsed with water. The algorithm works when carrying out disinfection measures comes down to a few basic steps:

  • Cleaning of surfaces from visible contamination with cleaning agents;
  • The removal of these funds from machined surfaces with clean water;
  • Replace the rags to clean the washing and rinsing of hands;
  • Surface treatment substances with Quaternary ammonium compounds as the active disinfectant component;
  • Exposure of the disinfectant specified in the instruction time;
  • Clear HOUR (if necessary).

Disinfection of premises and surfaces should be performed regularly, whether it is of medical institutions, public premises, in the home, for the fields of veterinary medicine. Also widely used Quaternary ammonium compounds for swimming pool – processing of all surfaces in contact with the human body, should be performed daily in divided doses. If necessary, conducted bacterial analysis before and after treatment.

Quaternary ammonium compounds

Strict adherence to the rules of personal and public hygiene, regular competent treatment of different surfaces to disinfect to avoid spreading bacterial, viral and fungal infections.


Article in other languages:

AR: https://tostpost.com/ar/health/7044-qac.html

BE: https://tostpost.com/be/zdaro-e/12607-chacvyarc-chnyh-ammonievye-zluchennya-gadz-nu-dlya-dez-nfekcy-mehan-zm.html

DE: https://tostpost.com/de/gesundheit/12606-chetvertichnie-ammonievie-die-vereinigungen-stunde-f-r-die-desinfektio.html

ES: https://tostpost.com/es/la-salud/12615-cuaternarias-ammonievye-de-conexi-n-h-para-la-desinfecci-n-mecanismo-d.html

HI: https://tostpost.com/hi/health/7048-qac.html

JA: https://tostpost.com/ja/health/7045-qac.html

KK: https://tostpost.com/kk/densauly/12610-chetvertichnye-ammonievye-osylystar-sa-at-dezinfekciyalau-a-arnal-an-s.html

PL: https://tostpost.com/pl/zdrowie/12604-iv-ammonievye-po-czenia-h-do-dezynfekcji-mechanizm-dzia-ania.html

PT: https://tostpost.com/pt/sa-de/12598-compostos-de-am-nio-quatern-rio-uma-hora-para-a-desinfec-o-mecanismo-d.html

TR: https://tostpost.com/tr/sa-l-k/12611-quats-saat-dezenfeksiyon-etki-mekanizmas.html

UK: https://tostpost.com/uk/zdorov-ya/12606-chetvertinn-amon-v-spoluki-chas-dlya-dez-nfekc-mehan-zm-d.html

ZH: https://tostpost.com/zh/health/7653-qac.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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