Cardiovascular actions of three harmala alkaloids: harmine, harmaline, and harmalol

DH Aarons, GV Rossi, RF Orzechowski - Journal of pharmaceutical …, 1977 - Elsevier
Each of three harmala alkaloids, harmine, harmaline, and harmalol, decreased heart rate
and increased pulse pressure, peak aortic flow, and myocardial contractile force in intact …

Comparative anticholinergic activities of 10 histamine H1 receptor antagonists in two functional models

RF Orzechowski, DS Currie, CA Valancius - European journal of …, 2005 - Elsevier
We determined the relative rank orders of anticholinergic potencies of 10 antihistamines in
two functional bioassays: (1) an in vitro assay measuring inhibition of carbachol-induced …

Measurement of prostaglandin E2 in an inflammatory exudate: effects of nonsteroidal anti-inflammatory agents.

EJ Barbieri, RF Orzechowski, GV Rossi - Journal of Pharmacology and …, 1977 - ASPET
A method was developed for extracting and measuring nanogram quantities of prostaglandin
E2 (PGE2) from carrageenan-induced abscess in the rat. PGE2 concentration, quantitated …

Measurement of albuterol in guinea pig serum by high performance liquid chromatography with fluorescence detection

JR Loss, RF Orzechowski… - Biomedical …, 2000 - Wiley Online Library
… Inc., Palo Alto, CA, USA) and a Shimadzu RF-551 Fluorescence HPLC Monitor (Shimadzu
Corp., Kyoto, … Our laboratory (Loss and Orzechowski, 1998) has demonstrated that continuous …

Isolated lung strips of guinea pigs: responses to β-adrenergic agonists and antagonists

PKS Siegl, GV Rossi, RF Orzechowski - European Journal of …, 1979 - Elsevier
Isolated lung strips of guinea pigs were examined as an in vitro model for assessing the direct
effect of β-adrenergic drugs at the level of peripheral airways. Changes in intrinsic tone of …

Humokal and Cellulaa Immunologic Aspects of Adjuvant and Collagfn Arthritis in Rats

…, S Heyner, RJ Capetola, RF Orzechowski - …, 1986 - Taylor & Francis
Systemic and local immunological responses of rats sensitized with either M. butyricumor
native type II collagen have been evaloatod. In rats exhibiting adjuvant-induced arthritis no …

Effect of sodium cobaltinitrite on the minimal carcinogenic dose50 (MCD50) of methylcholanthrene in albino mice

RF Orzechowski, RF Gautieri… - Journal of …, 1964 - Wiley Online Library
The bi‐weekly, intraperitoneal administration of sodium cobaltinitrite in doses of 50, 60, and
70 mg./Kg. in mice subjected to the MCD 50 of methylcholanthrene resulted in a reduction of …

Effects of antihistamine-epinephrine combinations on adjuvant arthritis in rats

EJ Barbieri, GV Rossi, RF Orzechowski - Journal of Pharmaceutical …, 1973 - Elsevier
Three antihistaminic agents—diphenhydramine, doxylamine, and methapyrilene—alone
and in combination with epinephrine, were examined for their effectiveness against adjuvant …

Interactions of chlorpheniramine ethanol combinations: acute toxicity and antihistaminic activity

RB Smith, GV Rossi, RF Orzechowski - Toxicology and Applied …, 1974 - Elsevier
Significant toxicologic and pharmacologic interactions occurred between chlorpheniramine
maleate and 25% vv ethanol at several dosage combinations. Conditions of both …

Application of a radiometric ear assay for studies of adjuvant arthritis in rats

…, S Heyner, RF Orzechowski - Arthritis & Rheumatism …, 1980 - Wiley Online Library
A radioisotopic method, originally developed for measuring the cellular response in delayed
hypersensitivity lesions in mice, has been evaluated in adjuvant arthritic rats. Focal …