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Penicillin

Penicillin refers to various antibiotics obtained from penicillium fungi or produced synthetically. It was the first drug that was effective in treating different diseases and infections such as Staphylococcus and syphilis.

1,118 Questions

Who has found the penicillin?

The discovery of penicillin is usually attributed to Scottish scientist " Sir Alexander Fleming" in 1928 though others had noted the antibacterial effects of Penicillin.

Why penicillin exhibits the property of selective toxicity?

Penicillin exhibits the property of an effective and safe antimicrobial therapy that involves selective toxicity. This is because the chemical structure of Penicillin gives antibacterial properties.

Was penicillin discovered accidentally?

Penicillin's discovery was partially accidental, although it did take place in a lab where the discoverer, Sir Alexander Fleming, was conducting research to identify substances that were capable of destroying bacterial infections.

What is the dosage of penicillin for a 40 lb basset hound?

There are many potential dosages for penicillin for a dog. The dosage varies based upon the condition being treated, the location of the infection and the formulation of the penicillin.

If you suspect your dog has a bacterial infection that needs medication, you should take him to your vet for an examination.

What does k stand for in electricity?

A lower-case 'k' is used in SI to represent 'kilo' (103).

You will see used in symbols such as kW (kilowatts), kV (kilovolts), etc.

If gram positive bacteria are incubated with penicillin in an isotonic solution will it able to grow or lysed explain why?

The gram positive bacteria will be lysed when incubated with penicillin in an isotonic solution. Penicillin inhibits peptidoglycan synthesis, weakening the bacterial cell wall. The isotonic solution prevents osmotic lysis by maintaining equal concentrations of solutes inside and outside the bacterial cell, making the weakened cell wall more susceptible to lysis.

Who invented penecillin?

Alexander Fleming

1928

Penicillin antibiotics are historically significant because they were the first drugs that were effective against many serious bacterial infections, and subsequent diseases associated. In addition this antibiotic can beat syphilis and staph infections.

How many mg of penicillin in a ml?

Does not convert; one is a measure of weight and mL (milliliters) is a measure of volume.

Will penicillin cure bladder infection?

Answer: In short - probably not! Check out http://www.rxlist.com/penicillin-vk-drug.htm A lot of antibiotics are specific to certain types of micro-organism (i.e. bacteria) and the best way to identify the correct antibiotic is to identify the micro-organism involved. The link identifies the bacteria that penicillin is known to be effective against. See http://www.rxlist.com/urine_infection/page5.htm for better informationon UTI's.

Why does penicillin allergy occur?

The beta-lactam ring of penicillin can react with the polypeptides' terminal amines on lysine residues. This results in the formation of an allergen. A person's immune response will be triggered when he or she is exposed to this allergen.

Is there penicillin in otodex ear drops can you use them if you are allergic to penicillin?

Unfortunately this is a two part question and so the CrowdFlower crew should also flag this question as such. Finally, for anyone allergic to penicillin should take grave steps to avoid any allergants.

What is penicillins?

Penicillin is an antibiotic (a drug used to treat bacterial infections) made from a type of mold, Penicillium, that is commonly found on bread products and is the mold that gives bleu cheese its characteristic color and flavor. Its antibiotic qualities were discovered by accident in 1928 by Alexander Fleming in a spoiled experiment, but it was not until 1942 before it was produced in large enough and pure enough quantities to be used to treat infections.

Penicillin was commonly prescribed to take care of bacterial infections in humans and animals. Since bacterial strains mutate, it's not quite as effective as it was when it first came on the market. There are now many variants of the original penicillin, and these are prescribed for various infections. All of these penicillins are beta-lactam antibiotics.

Beta-Lactam antibiotics inhibit the formation of peptidoglycan cross-links in the bacterial cell wall, eventually causing it to breakdown and the cell to burst killing it.

Did penicillin increase life expectancy?

yes, it it did. The average life span increased by 8-15 years. If you scroll through the following link, you can see the positive and negative impacts that Penicillin had on the world.