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Showing papers by "Deen Dayal Upadhyay Gorakhpur University published in 1978"


Journal ArticleDOI
TL;DR: Studies on various antifungal properties of the leaf extract of Ranunculus sceleratus L. showed that it was thermostable up to 100°C, retained activity on autoclaving, and remained active up to 15 days at room temperature.
Abstract: Studies on various antifungal properties of the leaf extract ofRanunculus sceleratus L. showed that it was thermostable up to 100°C, retained activity on autoclaving, and remained active up to 15 days at room temperature. It possessed quick fungicidal action, tolerance against heavy fungal inoculum, activity on broad pH range, broad fungicidal spectrum, non-phytotoxicity and non-systemic activity. The extract was lethal at 1∶40 dilution and its volatile vapours were also fungitoxic.

33 citations


Journal ArticleDOI
TL;DR: In this paper, the viscosity behavior of ternary systems comprising sodium or potassium halides (concentration range 0.125-3 M in aqueous D -xylose solution (0.4 M at 25, 30, 35, and 40°) was determined.

6 citations


Journal ArticleDOI
TL;DR: In this paper, light scattering measurements on a number of samples of potassium polyphosphate dissolved in 0.1 M NaBr solution in water were made, and the second virial coefficient was found to be inversely proportional toM====== 0.5¯¯ (M¯¯ w¯¯ = Weight-average molecular weight).
Abstract: Light scattering measurements on a number of samples of potassium polyphosphate dissolved in 0.1 M NaBr solution in water were made. With fair approximation, the second virial coefficient was found to be inversely proportional toM 0.5 (M w = Weight-average Molecular Weight). In conjunction with intrinsic viscosities, the values ofM w were used in calculating the radius of gyration, $$\langle \overline {_S 2} \rangle ^{\tfrac{1}{2}}$$ . The ratio $$\langle \overline {_S 2} \rangle ^{\tfrac{1}{2}} /M_w^{\tfrac{1}{2}}$$ was found to be constant indicating that potassium Kurrol Salt exists as random coils in solutions. The average value of Flory constant calculated with the help of the available data was found to be 1.96 × 1021 which is quite close to that predicted by Flory.

2 citations