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Journals and Conferences
Constants for pi and omega ahve been measured for a miscellaneous group of aromatic substituents of interest to medicinal chemists. Swain and Lupton's gamma and kappa values have been calculated from the omego constants. Values for molar refractivity are also given for each of the substituents.
A correlation equation based solely on de novo constants was formulated for 105 2,4-diamino-5-(3,4-dichlorophenyl)-6-substituted pyrimidines acting as inhibitors of dihydrofolate reductase. An equation with seven indicator variables gives a correlation with a correlation coefficient of 0.903 and a standard deviation of 0.229. The technique used is a… (More)
A quantitative structure-activity relationship (QSAR) has been formulated for quinazolines causing 50% inhibition of liver dihydrofolate reductase. The QSAR for the quinazolines is compared with QSAR for triazine and pyrimidine inhibitors. The three QSAR suggest new possibilities for the design of inhibitors of mammalian dihydrofolate reductase.
A computerized, PC-based system is introduced for sleep monitoring in infants. The system is capable of digitizing and storing 22 physiological variables over a whole-night sleep period. The preprocessed data can be displayed on a single page; further processing can be done on the digitally stored data.
The association between hospital volume and outcome in rectal cancer surgery is still subject of debate. The purpose of this study was to assess the impact of hospital volume on outcomes of rectal cancer surgery in the Netherlands in 2011. In this collaborative research with a cross-sectional study design, patients who underwent rectal cancer resection in… (More)
Simultaneous continuous recording and processing of evoked potentials, various cardiovascular, and respiratory signals was realized with the aid of a PC-controlled monitoring system. The system is at present used for monitoring patients in intensive care units, during neurosurgical interventions and for sleep investigations in infants.
A quantitative structure-activity relationship has been formulated for 646 antimalarials acting against P. berghei in mice. The equation developed has 14 terms, 9 of which are indicator variables. The correlation coefficient for the QSAR is 0.898 and the standard deviation is 0.309. The antimalarials are all arylcarbinols of the type X-ArCHOHCH2NR1R2. Sixty… (More)