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Ceftriaxone, sold under the brand name Rocephin, is a third-generation cephalosporin antibiotic used for the treatment of a number of bacterial infections. [4] These include middle ear infections, endocarditis, meningitis, pneumonia, bone and joint infections, intra-abdominal infections, skin infections, urinary tract infections, gonorrhea, and pelvic inflammatory disease. [4]
The molecular structure of cephalosporin can be altered in various ways to improve in vitro stability, anti-bacterial activity and resistance against β-lactamases. In the acidic conditions of the stomach, in vitro stability can be enhanced by the addition of an amino and a hydrogen to positions α1 and α2 of the cephalosporin structure.
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Molecular weight (M.W.) (for molecular compounds) and formula weight (F.W.) (for non-molecular compounds), are older terms for what is now more correctly called the relative molar mass (M r). [8] This is a dimensionless quantity (i.e., a pure number, without units) equal to the molar mass divided by the molar mass constant .
The terms "molecular mass", "molecular weight", and "molar mass" may be used interchangeably in less formal contexts where unit- and quantity-correctness is not needed. The molecular mass is more commonly used when referring to the mass of a single or specific well-defined molecule and less commonly than molecular weight when referring to a ...
The expert panel reached a high level of consensus on cefditoren pivoxil as the most appropriate option for the switch therapy from parenteral third-generation cephalosporins (like cefotaxime or ceftriaxone) to oral therapy, because of the similar spectrum and the highest intrinsic activity. [17]
The signal that targeting amylin could preserve lean mass during weight loss — a key question about GLP-1 drugs — has so far been from animal studies, Drucker pointed out, leading him to ...
Cefoperazone contains an N-methylthiotetrazole (NMTT or 1-MTT) side chain.As the antibiotic is broken down in the body, it releases free NMTT, which can cause hypoprothrombinemia (likely due to inhibition of the enzyme vitamin K epoxide reductase) and a reaction with ethanol similar to that produced by disulfiram (Antabuse effect), due to inhibition of aldehyde dehydrogenase.