Penicillin (sometimes abbreviated PCN) refers to a group of β-lactam antibiotics used in the treatment of bacterial infections caused by susceptible, usually Gram-positive, organisms. The name “penicillin” can also be used in reference to a specific member of the penicillin group. All penicillins possess the basic Penam Skeleton, which has the molecular formula R-C9H11N2O4S, where R is a variable side chain.
The narrow spectrum of activity of the penicillins, along with the poor activity of the orally-active phenoxymethylpenicillin, led to the search for derivatives of penicillin which could treat a wider range of infections.
The first major development was ampicillin, which offered a broader spectrum of activity than either of the original penicillins and allowed doctors to treat a broader range of both Gram-positive and Gram-negative infections. Further developments led to amoxicillin, with improved duration-of-action.
Further development yielded beta-lactamase-resistant penicillins including flucloxacillin, dicloxacillin and methicillin. These were important for their activity against beta-lactamase-producing bacteria such as Staphylococcus species, but are ineffective against the methicillin-resistant Staphylococcus aureus strains that subsequently emerged.
The last in the line of true penicillins were the antipseudomonal penicillins, such as ticarcillin and piperacillin, useful for their activity against Gram-negative bacteria. However, the usefulness of the beta-lactam ring was such that related antibiotics, including the mecillinams, the carbapenems and, most importantly, the cephalosporins, have it at the centre of their structures.
2006-10-25 09:17:33
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answer #1
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answered by Anonymous
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What Penicillin Cures
2016-11-04 04:18:00
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answer #2
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answered by Anonymous
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This Site Might Help You.
RE:
What does penicillin cure?
i have a project due tomorrow and i need some notes about penicillin and how it works so can you please help me?
2015-08-06 21:39:33
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answer #3
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answered by Anonymous
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STD wise, it will only cure a syphilis infection.
It is not effective on other bacterial STDs like chlamydia and gonorrhea.
And, it will do absolutly nothing on viral STDs like HIV/AIDS, hepatitis, herpes and HPV. Viral STDs have no cures and they are only treated with antiviral medications, not antibiotics.
http://en.wikipedia.org/wiki/Penicillin#Variants_in_clinical_use
2006-10-26 04:55:50
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answer #4
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answered by Alli 7
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It is an antibiotic. It cures things like strep throat, bronchitis, and other bacterial infections. (Not viral infections)
2006-10-25 09:16:48
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answer #5
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answered by Anonymous
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It works with Gram positive microorganisms and it interferes with the metabolism of peptidoglycans.
The upshot is the bacteria grows but can not divide.
2006-10-25 10:10:24
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answer #6
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answered by Buzz s 6
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It's a mold that cures infection. )O(
2006-10-25 09:17:14
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answer #7
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answered by Witchy Woman 4
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Look up the term penicillin in medlineplus.com it is a good resorce.
2006-10-25 09:16:15
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answer #8
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answered by evilive 4
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It can be taken for a sore throat/cold/flu...and other infections.
2006-10-25 09:42:02
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answer #9
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answered by ~~ 7
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Call lestermount
2016-10-23 15:07:29
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answer #10
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answered by jason w 1
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