Membrane filtration process for 6-aminopenicillanic acid
Metal-containing ribonucleotide polypeptides
Method for increasing production of microbial metabolites by gen
Method for influencing .beta.-lactam antibiotic production and f
Method for producing novel β-lactam antibiotic from...
Method for the synthesis of semi-synthetic antibiotics in thermo
Modified synthetases to produce penicillins and...
Mutated .beta.-lactam acylase genes