R. N. Chopra

Bio: R. N. Chopra is an academic researcher from Calcutta School of Tropical Medicine. The author has contributed to research in topics: Malaria & Holarrhena. The author has an hindex of 8, co-authored 61 publications receiving 6823 citations.

Studies on the Action of Quinine in Monkey Malaria.

Abstract: Kligler and Mer (1931 and 1933) have called attention to the relationship between host immunity and chemotherapentic efficacy of chinoplasmine in malaria and this relation probably applies to other antimalarial drugs also. They have suggested that the therapeutic value of a drug should be checked by its effects on children below 6 years of age as they are less capable of developing a resistance or im-

Observations on the Pharmacological Action of Conessine, the Alkaloid of Holarrhena Antidysenterica.

Abstract: to the natural order Apocynacecc, from which are derived most plants of the digitalis group. This is a point of interest because the active principles of H. antidysenterica also have a selective action on the muscle of the heart. This plant has many Sanskrit names, the best known being kutaja and kalinga. The other vernacular names are:?kurchee (Bengali), kureya, dudhi. (Hindi) and kulappalai (Tamil). The seeds are called indrayciva or \" Indra's

Atebrin in the Treatment of Indian Strains of Malaria.

Abstract: research with the object of nna & was condrug that could be used m i re{ore a great siderably stimulated. It was ,, t:c compound event when, in 1926, a ^\"equine) was known as plasmocliin (or P i mann of the discovered by Professor ocn ,borat0ries at Bayer-Meister Lucius reLs?.arC^reParation is an Elberfeld. Chemically, this P P a basic amino-quinoline derivative m :n0jine nucleus aliphatic radicle is united to a rp^s drug by a connecting link of nltr fe. ? an^ ̂ as not could be given in very small thought to a very bitter taste. It was a treatment nave a definite curative effect experience ?f all forms of malaria, but . curing