The blood, defibrinated and freshly drawn, has marked germicidal action; for bacteria its action is decidedly deadly, even hours after it has been drawn from the body.
Germicidal action of chlorlyptus on pyogenic bacteria suspended in an oily medium.
Result: Nitrogen gas did not show any appreciable increase of the germicidal action of typhoid bacillus when grown in medium containing chlorlyptus.
The claims urged as to its germicidal power are indeed glittering.
Germicidal action of chlorlyptus on staphylococcus, suspended in sterile olive oil.
Germicidal action of carbolic acid on staphylococcus suspended in human blood serum (sterile).
Result: The germicidalaction of carbolic acid on staphylococcus suspended in olive oil was almost at once, in proportions of 1, 5 and 10 per cent.
It is evident that such dilutions decrease considerably the feeble germicidal action of the original fluid.
The Council voted that in view of the Hygienic Laboratory’s finding that formaldehyd has a low germicidal value, the manufacturers of Formosol be required to produce definite evidence of the degree of germicidal value for this product.
It would appear that undiluted Trimethol Syrup has the same combined penetrability and germicidal value as a 1 per cent.
Evidently the germicidal value of Ziratol is greatly exaggerated in the advertising claims and, in fact, does not exceed that of the official compound solution of cresol (Liquor Cresolis Compositus, U.
It possesses strong germicidal powers, increases the amount of light in the barn, is a good absorbent of odors, and is exceedingly cheap.
Sulfur is often recommended as a disinfecting agent, but its use should be carefully controlled, otherwise the vapors have but littlegermicidal power.
Nothing is known as to the cause of this apparent germicidal action.
The cause of this suspended development is attributed to the germicidal properties inherent to the milk.
Is it due to unsuitable environmental conditions or attributable to the germicidal influence of the milk?
Freudenreich[22] found that udders which were not examined for some time after death showed abundant growth, which fact he attributed to the loss of this germicidal property.
Lysol+ is a saponified phenol, and possesses some germicidal power.
Recent investigations show that many germicidal substances have not the power that was formerly attributed to them.
Mechanical disinfection is accomplished by the use of soap and water and a friction brush; germicidal solutions of one kind or another are also employed.
This acid is derived from coal tar, and although known as early as 1834 as the first antiseptic recommended and used by Lister, is not so popular since the discovery that bichloride of mercury possesses more germicidal action.
Creolin+ is mildly germicidal and is used a great deal in from 2 to 4 per cent.
It is also accounted for by the germicidal properties of the blood serum.
Antisepsis+ is that method of wound treatment which keeps germicidal agents continuously in direct contact with the wound.
The aseptic method for the treatment of wounds admits of the use of germicidal solutions and heat upon the field of operation, upon the hands of the operator and of his assistants, and upon the instruments employed.
It must also be remembered that the germicidal agents possess the disadvantage of exercising a more or less destructive action on the body cells, and consequently their use is not warranted in clean wounds.
This drug no doubt possesses more germicidal properties than was at one time supposed.
The lower the temperature of the milk, the longer and less pronounced is the germicidal action; the higher the temperature, the shorter and more pronounced is this action.
Under normal conditions, that is, in health, the conditions prevailing in the stomach are very unfavorable to the development of bacteria of the putrefactive type, the gastric juice exhibiting decided germicidal properties.
Hydrocyanic Acid= is frequently used as an insecticide in ships, mills, and greenhouses, but its germicidal power is weak.
The cresols, creolin, lysol, and other solutions of the cresols are more germicidal than carbolic acid, and are sometimes used for the same purposes.
Light exerts a marked photo-chemical effect on the germicidal velocity of chlorine and hypochlorites.
The superiority of chloramine over other processes is due to the non-absorption of the germicidal agent and to obtain the same degree of efficiency the contact period must be increased as the concentration is decreased.
Filters, containing solid materials capable of absorbing free chlorine, have also been used for removing the excess of the germicidal reagent.
Norton and Hsu[5] have shown that the germicidal activity of some disinfectants is a function of the hydrogen ion concentration, but this factor is insufficient to account for the effect of acids on bleach solutions.
Ammonia, when added to solutions of chlorine gas, diminishes the property of liberating iodine from potassium iodide, the bleaching effect on dyestuffs, and the germicidal action.
Whether this failure to colonize can be regarded as evidence of a germicidal property or not is questionable.
It has been claimed that freshly drawn milk, like other body fluids, possesses germicidal properties, i.
In the dead body the enzymes become active agents in tissue gas production, unless they are kept in restraint by being brought in contact with germicidal embalming fluids.
To prevent a recurrence the bacteria must be killed, and this is done by spraying a germicidal fluid around the affected part.
Germicidal fluids when directed against the bacteria in an intelligent manner should destroy them and prevent their becoming active again.
Consequently it is essential in allgermicidal experiments to determine first of all the inhibition coefficient of the germicide employed.
In some cases it is a simple matter to neutralise the germicide and render it inert by washing the organisms in some non-germicidal solution (such for example as ammonium sulphide when using mercurial salts as the germicide).
Its germicidalqualities are well-known and recognized.
He reported: "This is to certify that the fluid Liquozone handed to me for bacteriologic examination has shown bacteriologic andgermicidal properties.
Of the same family are the "ethicals" Acetozone and Keimol, as shown by their germicidal claims.
The germicidal powers of strong alkalies have long been known, but the inconvenience of their application to tissues and mucous membranes has prevented their use.
In the old circulars only crude, uncritical and meaningless tests to establish the antiseptic value of Germiletum are reported and none whatever as to itsgermicidal action.
Arthur Ransome have demonstrated its germicidal effect as a solution applied directly to the walls of rooms inhabited by tuberculous patients.
The common methods now in vogue for the protection of milk are based upon germicidal temperatures.
Feeding on bacilli alone would probably not produce the disease, owing to the germicidal effect of the gastric juice.
Composed as it is of cells having a germicidal influence when in health, the lymphoid tissue may afford formidable obstruction to intruding germs.
Arsenic was found by Schwann to have thisgermicidal faculty.
But, as Babes has pointed out, alum itself acts inimically on germs; in such treatment, therefore, we get sedimentation andgermicidal action combined.
Direct sunlight has a definitely germicidal effect in the course of time upon some of the most virulent bacteria we know.
It should not be necessary to add that general treatment must also be continued, and indeed local germicidal treatment, e.
When, however, cholera bacilli were suspended in milk, none appeared to escape the germicidal action of the gastric juice.
It has been definitely shown that the blood fluids of the body have in their fresh state the germicidal power (alexines) which prevents bacteria from flourishing in them.
From two to six hours' exposure had a germicidal effect.
In other words, the physical measurements have been neglected notwithstanding the fact that they are generally more easily made than the determinations of curative effects or of germicidal action.
The germicidal action of light-rays and of some of the invisible rays which ordinarily accompany the luminous rays is well proved.
It was also demonstrated that the vital fluids of the animal body had of themselves great germicidal power, and that the strong antiseptic fluids previously used tended rather to impair{326} this power than to enhance it.
The inherent cleansing power of soap renders it invaluable in combating disease, while it also has distinct germicidal properties, a 2 per cent.
This applies particularly to salts of mercury, such as corrosive sublimate or mercuric chloride, and biniodide of mercury, both of which have very considerable germicidal power, and are consequently frequently added to soaps.
This is most likely because the heat used in cooking such foods is insufficient to produce germicidal results.
One of the most important elements in the value of sunlight in the treatment of consumption is its powerful germicidal effect.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "germicidal" in a variety of sentences. We hope that you will now be able to make sentences using this word.