Determination of Cephalexin by Photochemical Fluorimetry
在PH4.0的缓冲溶液中,头孢氨苄在紫外光照射下能发生光化学反应,形成具有荧光的产物,λ_(EX)为345nM,λ_(EM)乙为432nM。在头孢氨苄浓度为0.1~4.0μg/Ml范围内,荧光强度与浓度呈良好的线性关系,由此建立了头孢氨苄的光化学荧光测定法。方法的检出限为0.01μg/Ml,相对标准偏差为0.93%。本法简便、快速且灵敏度高,可用于尿液中头孢氨苄含量的测定。Cephalexin, a nonFluorescent substance, is transFormed into a ...
欧阳耀国 +3 more
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Discharge of antibiotics into the environment can cause problems like increase of the microorganisms’ resistance, disturbing the ecological balance and increasing the allergy in humans.
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Growth curve patterns of Escherichia coli submitted to cefaclor and cephalexin
The chemical instability of cefaclor handicaps the in-vitro evaluation of its antimicrobial effect when compared to cephalexin. The continuous turbidimetric study of 8 Escherichia coli cultures subjected to cephalexin and cefaclor showed that the minimum
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Solubility of Cephalexin Crystals
M, Otsuka, N, Kaneniwa
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Green Foot Discoloration Secondary to Pseudomonas aeruginosa in an Elderly Male. [PDF]
Bhullar JK.
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