Sentences with phrase «of penicillin»

Its evolution is owed to Fleming's discovery of penicillin in 1928.

The new study by NYU Langone Medical Center researchers reveals that mice given lifelong low doses of penicillin starting in the last week of pregnancy or during nursing were more susceptible to obesity and metabolic abnormalities than mice exposed to the antibiotic later in life.

Currently, the use of penicillin during labor may be a case in which the benefits outweigh the risks, depending on your individual risk factors for passing GBS on to your baby.

Polkinghorne's scientific background is everywhere evident; often he uses examples from the laboratory: the historical appearance of Jesus in the world is seen in terms of the apparently undramatic discovery of penicillin on a windowsill; the two natures in Christ find a possible parallel in the wave / particle duality of light, and Dirac's equation concerning quantum mechanics is used in reference to the doctrine of the Trinity.

The commercial development of penicillin and the sulfa antibiotic class represented the first readily available medications that could kill the microorganisms responsible for bacterial infections.

In October the United States apologized for its reckless medical experimentation — not for the recent cia activities but for infecting Guatemalans with syphilis in the 1940s to test the effectiveness of penicillin in a precursor to the infamous Tuskegee experiments.

The introduction of penicillin in the 1940s led to the selection of S. aureus strains that carried the methicillin resistance gene.

For virus isolation attempts, serum samples were diluted 1 ∶ 5 in Eagle's minimum essential medium (EMEM) supplemented with 2 % fetal bovine serum, 200 µg of streptomycin, and 200U / ml of penicillin.

Since the heady days of penicillin's discovery, an overuse of antibiotics has spawned bacterial resistance to the drugs and threatened to erase decades of success.

(Hons) program, I moved to the Bose Research Institute in Calcutta for an apprenticeship in Anadi Chatterjee's laboratory to work on the mechanism of penicillin action and methicillin resistance in Staphylococcus aureus.

These individual studies range from food growth and consumption, to determining the effect of microgravity on oxidation, to even the production of penicillin on the space station.

Bacteria have been chipping away at the power of the penicillin family of drugs since their first wide - scale use as antibiotics in the 1940s.

That X-ray structure helped settle the debate over the structure of penicillin.

Beginning with the discovery of penicillin by Alexander Fleming in 1928, the pure magic of antibiotics with their rapid resolution of bacterial infections of all kinds caused many in the medical profession to become completely enamored with the drug based approach to illness.

Two courses of a penicillin took the risk up to 40 %, and more than five courses involved a 56 % higher risk.

We therefore determined the Michaelis — Menten parameters for the degradation of a penicillin antibiotic (benzylpenicillin) and one third - generation antibiotic (cefotaxime) catalysed by GNCA4 - W229D / F290W (Fig. 7).

When I was a boy we all knew about syphilis and gonorrhea, but because of penicillin they were supposed to be on the way out.

Figure 4.28 illustrates the influence of even small residues of penicillin on the most commonly used starter cultures.

Bear in mind that amoxicillin is a type of penicillin.

Charles Rein, a consultant for the WHO, responded: «They either have a different brand of syphilis in Russia or a different kind of penicillin.»

One can only wonder how the course of history might have changed if the value of penicillin had been appreciated earlier.

So if by some error the program suggested a barrel of penicillin, the program wouldn't know it was illogical.»

In the intervening 17 years between discovery and distribution, Fleming continued to experiment with small batches of penicillin on several bacterial pathogens, including Staphylococcus.

Finding candidate drugs and developing them into bedside treatments has come a long way since Alexander Fleming first made a chance observation of the effect of penicillin mould on bacterial growth back in 1928.

Just like the accidental discovery of penicillin years ago, science today sometimes still rides on the beauty of the «accident.»

The takeaway from these experiments is that any number of penicillin - type drugs combined with BPEI or related polymers could create a new first - line drug for treating infectious diseases and change how MRSA and other infectious bacteria are treated.

In an interdisciplinary collaboration, Ellen Zechner of the University of Graz, Austria, and her colleagues have researched the role of penicillin - resistant Klebsiella oxytoca enterobacterium in antibiotic - associated hemorrhagic colitis (AAHC).

It is a common structural element of the penicillins, their synthetic and semi-synthetic derivatives, and other related molecules that constitute the broad family of drugs called the beta - lactam antibiotics.

Their research is published in the Journal of the American Chemical Society in an article titled «Discovery of a New Class of Non-beta-lactam Inhibitors of Penicillin - Binding Proteins with Gram - Positive Antibacterial Activity.»

Over one five - year period in the 1990s, the rate of penicillin resistance increased by 300 percent, while cefotaxime resistance grew by more than 1,000 percent.

In Britain, the number of hospitals that sent the Central Public Health Laboratory's Antibiotic Reference Unit samples of penicillin - resistant S. pneumoniae rose from around 25 in 1987 to over 130 in 1993.

The second group received the same dose of penicillin after weaning and, like the first group, continued it throughout life.

Most intriguing, in a complementary group of experiments, mice given low doses of penicillin only during late pregnancy through nursing gained just as much weight as mice exposed to the antibiotic throughout their lives.

The discovery of penicillin about 90 years ago and the widespread introduction of antibiotics to combat infectious diseases have revolutionized human medicine.

Media consisting of Hank's medium (for A549 cells) or Dulbecco's modified Eagle's medium (DMEM)(for BSC - 1 cells) were supplemented with 1 × nonessential amino acids (Invitrogen, Carlsbad, CA), 10 % fetal bovine serum, 100 U of penicillin / mL and 100 µg of streptomycin / mL.

The data also show that prescriptions of penicillin, the antibiotic recommended to treat strep throat, remained at 9 percent while prescribing for azithromycin, a more expensive antibiotic, increased from being too infrequent to measure reliably in1997 - 1998 to 15 percent of visits in 2009 - 2010.

Weill Cornell is the birthplace of many medical advances — including the development of the Pap test for cervical cancer, the synthesis of penicillin, the first successful embryo - biopsy pregnancy and birth in the U.S., the first clinical trial of gene therapy for Parkinson's disease, and most recently, the world's first successful use of deep brain stimulation to treat a minimally conscious brain - injured patient.

March 27, 2000 Breakdown of penicillin by resistant bacteria elucidated Seven decades after penicillin was discovered, scientists at the University of Chicago have discovered exactly how certain bacteria resist this common antibiotic.

«The allergenicity of penicillin in the general population is thought to be at least ten percent.

Nearly 25 percent of these individuals will display hives, angioedema, or anaphylaxis upon ingestion of penicillins.

The findings may be the most important health discovery for mycologists and health researchers since the invention of penicillin (which is derived from the fungus Penicillium) ─ and vital information for breast cancer patients.

Even for those women who have no prior experience of a penicillin allergy, there is a one in 10,000 chance of developing anaphylaxis, a life - threatening allergic reaction.