Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Frank M. Goyan"'
Autor:
Frank M. Goyan, Jean Dufrenoy
Publikováno v:
Journal of the American Pharmaceutical Association. American Pharmaceutical Association. 36(10)
A new graphical calculator built as a two‐dimensional slide rule has been designed to expedite the plotting and reading of reference curves for bioassays. This device has been applied to the assay of penicillin using logarithmic scales for both the
Publikováno v:
Journal of the American Pharmaceutical Association. American Pharmaceutical Association. 36(3)
A practical assay method for penicillin that can be completed in three hours is reported. The procedure retains the advantages inherent in the cup‐plate method, but reduces the delay necessitated by the sixteen‐ to eighteen‐hour period of incub
Publikováno v:
Journal of the American Pharmaceutical Association. American Pharmaceutical Association. 36(2)
In this paper various buffer systems are listed and an analysis is made of their usefulness as pharmaceutical buffers. A report is also made of the results of a thorough study to determine the optimum p H level at which solutions of the more common o
Publikováno v:
Journal of Pharmaceutical Sciences. 50:773-777
An automatic pipet is used with external glass check valves to deliver equal increments of a titrating agent from o ne Dewar flask to another one containing the dissolved sample. Each increment of titrant causes a slight change in temperature due to
Autor:
T.C. Daniels, Frank M. Goyan
Publikováno v:
Journal of the American Pharmaceutical Association (Scientific ed.). 30:98-105
Publikováno v:
Journal of the American Pharmaceutical Association (Scientific ed.). 41:32-38
The design and detailed instructions for the use of an isotonic calculator are presented. The calculator is a circular slide rule which is based upon the principle of the sodium chloride equivalent method for calculating isotonicity. The instrument i
Publikováno v:
Industrial & Engineering Chemistry Analytical Edition. 12:485-488
Autor:
Frank M. Goyan, Richard D. Johnson
Publikováno v:
Journal of Pharmaceutical Sciences. 52:390-394
Further refinement of the apparatus described by Goyan and Reck has been studied, using thermistors. One variation described involves the use of intermittent power with simultaneous recording. Another variation treats the problem of using relatively
Autor:
Frank M. Goyan, Hanna N. Borazan
Publikováno v:
Journal of Pharmaceutical Sciences. 57:861-864
An improved form of the thermoelectric osmometer developed by one of the authors has been used to study solutions of p -aminobenzoic acid, citric acid, sodium citrate, sodium salicylate, sodium benzoate, morphine hydrochloride, and papaverine hydroch
Autor:
Hanna N. Borazan, Frank M. Goyan
Publikováno v:
Journal of Pharmaceutical Sciences. 62:923-926
The thermoelectric osmometer described in earlier publications was used to study the osmotic properties of 2'-deoxyadenosine, 2'-deoxyguanosine, uridine, cytidine, and thymidine in aqueous solutions ranging from 0.01 to 0.2 molal. Changes in resistan