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ZnO Nanorods Based Enzymatic Biosensor for Selective Determination of Penicillin.

Biosensors

Ibupoto ZH, Ali SM, Khun K, Chey CO, Nur O, Willander M.
PMID: 25585565
Biosensors (Basel). 2011 Oct 27;1(4):153-63. doi: 10.3390/bios1040153.

In this study, we have successfully demonstrated the fabrication of a biosensor based on well aligned single-crystal zinc oxide (ZnO) nanorods which were grown on gold coated glass substrate using a low temperature aqueous chemical growth (ACG) method. The...

Increased coverage and high confidence in suspect screening of emerging contaminants in global environmental samples.

Journal of hazardous materials

Angeles LF, Singh RR, Vikesland PJ, Aga DS.
PMID: 33647625
J Hazard Mater. 2021 Jul 15;414:125369. doi: 10.1016/j.jhazmat.2021.125369. Epub 2021 Feb 11.

Suspect screening using liquid chromatography with high resolution mass spectrometry provides an opportunity for expanding the detection coverage of emerging contaminants in the environment. Screening workflows may suffer from high frequency of false positives or insufficient confidence in the...

Determination of water in penicillins using fast Karl Fischer reagents and electronic end-point optimization.

Journal of pharmaceutical and biomedical analysis

Lindquist J.
PMID: 16867763
J Pharm Biomed Anal. 1984;2(1):37-44. doi: 10.1016/0731-7085(84)80087-4.

When using conventional Karl Fischer reagents for titration of water in penicillins, decomposition products (i.e. penicilloic acid) are shown to be partly cotitrated. Water in ampicillin, bacampicillin, carboxybenzylpenicillin and cloxacillin was titrated with slow and fast reagents and the...

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