Results 261 to 270 of about 5,128,035 (311)
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Biorational insecticides: Mechanism and cross‐resistance
Archives of Insect Biochemistry and Physiology, 2005AbstractPotency and cross‐resistance of various biorational insecticides, exemplified by the whitefly Bemisia tabaci, have been studied. Bemisia tabaci were exposed to the juvenile hormone mimic pyriproxyfen for the past 12 years resulting in an over 2,000‐fold resistance, but there was no appreciable cross‐resistance with the benzoylphenyl urea ...
Isaac, Ishaaya +2 more
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International Journal of Clinical Oncology, 2005
Fluorouracil-based chemotherapy, such as that with 5-fluorouracil (5-FU)/leucovorin, is standard as first-line chemotherapy for advanced colorectal cancer (CRC) in Japan. However, the best agent for second-line chemotherapy after fluorouracil failure is yet to be determined.
Kazuki, Yamashita +11 more
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Fluorouracil-based chemotherapy, such as that with 5-fluorouracil (5-FU)/leucovorin, is standard as first-line chemotherapy for advanced colorectal cancer (CRC) in Japan. However, the best agent for second-line chemotherapy after fluorouracil failure is yet to be determined.
Kazuki, Yamashita +11 more
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Herbicide cross resistance in weeds
Crop Protection, 2012Abstract With no major new site-of-action herbicide introduced into the marketplace in the last 20 years, the stagnation or decline in available herbicides in the past decade in a number of jurisdictions, and ever-increasing incidence of herbicide-resistant (HR) weeds, more efficient use of our existing herbicide tools will be required to proactively
Hugh J. Beckie, François J. Tardif
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Cross-resistance to alkylating agents in multiple myeloma
Cancer, 1983In order to ascertain whether multiple myeloma patients resistant to one alkylating agent would respond to a second one, high-dose intermittent cyclophosphamide was administered to 12 patients showing resistance to melphalan and prednisone. On the other hand, intermittent melphalan and prednisone treatment was employed in eight myeloma patients ...
J, Bladé +5 more
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Biocides – resistance, cross-resistance mechanisms and assessment
Expert Opinion on Investigational Drugs, 2012Antibiotic resistance in bacterial pathogens has increased worldwide leading to treatment failures. Concerns have been raised about the use of biocides as a contributing factor to the risk of antimicrobial resistance (AMR) development. In vitro studies demonstrating increase in resistance have often been cited as evidence for increased risks.
Divya Prakash, Gnanadhas +2 more
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Nonspecific Aminoglycoside Cross-Resistance of Serratia marcescens
Chemotherapy, 200910 of 11 clinical isolates of Serratia marcescens yielded small numbers (10-7 to 10-8) of ‘gray’ colony-type variants after selection with either amikacin, gentamicin or kanamycin, of which most proved resistant against all of the following aminoglycoside antibiotics: amikacin, gentamicin, kanamycin, neomycin, netilmicin, sisomicin and streptomycin ...
W H, Traub, P I, Fukushima
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Cross-Resistance in Pseudomonas aeruginosa Resistant to Phenylethanol
Journal of Pharmaceutical Sciences, 1972The effects of benzalkonium, chlorhexidine, and phenyl-mercuric nitrate on exponential phase cultures of phenylethanol-sensitive Pseudomonas aeruginosa NCTC 6750 growing in nutrient broth and on phenylethanol-resistant cells growing in nutrient broth plus 0.2% phenylethanol v/v were determined.
R M, Richards, R J, McBride
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Cross Resistance: Treatment and Modeling
2013We have so far considered combination therapy under the assumption that resistance against one drug does not confer resistance to any of the other drugs in use. While this applies to many of the point mutations that induce resistance against imatinib, dastinib, and nilotinib, one mutation, T315I, confers resistance to all three drugs, i.e., there is ...
Natalia L. Komarova, Dominik Wodarz
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Cross-resistance of trichomonads to 5-nitroimidazole-derivatives
Experientia, 1976The strainT. foetus KV 1/M 100, a sub-strain ofT. foetus Kv 1, was made highly resistant to metronidazole by several passages in mice under increasing drug pressure. This drug resistance was accompained by a remarkable cross-resistance to all 5-nitroimidazole-derivatives tested in vitro and in vivo.
J G, Meingassner, H, Mieth
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Efavirenz: resistance and cross-resistance.
International journal of clinical practice. Supplement, 1999Resistant strains, the major cause of treatment failure in the management of HIV infection, evolve whenever virus replication is incompletely suppressed by drug therapy. In such cases, genotypic analysis of proviral DNA or phenotypic analysis of viral isolates or recombinant molecular clones can provide useful information for the clinician. With regard
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