R. Pinney

Publications89
h-index15
Citations778
Highly Influential Citations14
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Antibacterial activity of diosquinone and plumbagin from the root of Diospyros mespiliformis (Hostch) (Ebenaceae)
Diosquinone and plumbagin isolated from the root of Diospyros mespiliformis (Hostch), a common Ingredient in several folk medicines and foods, have been shown to have antibacterial activity against a…
Amphotericin B and its delivery by liposomal and lipid formulations
In recent years, new formulations of the original amphotericin B preparation (Fungizone) have been devised in order to overcome toxicity problems that frequently occur. These preparations represent…
Flow Cytometric Investigation of Filamentation, Membrane Patency, and Membrane Potential in Escherichia coli following Ciprofloxacin Exposure
TLDR
Inhibition of protein synthesis with chloramphenicol prevented ciprofloxacin-induced changes in bacterial morphology, cell membrane potential, and ability to exclude nucleic acid-binding dye and were not a definite indicator of cell death as defined by loss of colony formation.
Distribution among incompatibility groups of plasmids that confer UV mutability and UV resistance.
  • R. Pinney
  • Chemistry, Medicine
    Mutation research
  • 1 August 1980
Expression of eight unrelated Muc+ plasmids in eleven DNA repair-deficient E. coli strains.
Function of the SOS Process in Repair of DNA Damage Induced by Modern 4‐Quinolones
TLDR
The results suggest that, unlike bactericidal mechanism A, DNA damage that results from bactericidal mechanisms B and C of the newer 4‐quinolones is subject to SOS error‐prone (mutagenic) repair.
Susceptibilities of Actinobacillus actinomycetemcomitans biofilms to oral antiseptics.
TLDR
Comparison of solutions of the pure antibacterial agent with commercial products containing the same concentration of antiseptic showed little difference in in-vitro activities, emphasising that the testing of antimicrobial mouthwashes should be performed on bacteria grown as biofilms.
4-Quinolone bactericidal mechanisms.
The bactericidal activity of nalidixic acid against Escherichia coli strain KL16 in nutrient broth was abolished by the addition of rifampicin. Cells suspended in phosphate-buffered normal saline…
INVESTIGATION OF THE LEVELS OF BACTERIAL CONTAMINATION IN USED EYE DROPS
Survival of bacteria during extrusion-spheronization
The killing of intestinal microflora by antibiotic or radiation treatment can lead to overgrowth of pathogenic microorganisms. Re-introduction of a normal flora into the “sterilized” gut may help to…
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