Items where Author is "Kumar, Har Darshan"

Singh, Jeet Bahadur ; Vyas, Deepak ; Kumar, Har Darshan (1997) Effects of amino acids, carbohydrates and phosphorus sources on growth and alkaline phosphatase activity of the marine cyanobacterium Journal of Microbiology and Biotechnology, 7 (2). pp. 127-131. ISSN 1017-7825

Kumar, Dhruv ; Kumar, Har Darshan (1992) Hydrogen production by several cyanobacteria International Journal of Hydrogen Energy, 17 (11). pp. 847-852. ISSN 0360-3199

Kumar, Dhruv ; Kumar, Har Darshan (1990) Effects of some inhibitors and carbon sources on acetylene reduction and hydrogen production of isolated heterocysts of Anabaena sp. (strain CA) European Journal of Phycology, 25 (4). pp. 375-379. ISSN 0967-0262

Kumar, Dhruv ; Kumar, Har Darshan (1990) Protection of nitrogenase levels in dark-incubated cultures of Anabaena sp. strain CA by various carbon sources, and restoration of nitrogenase activity by oxygen European Journal of Phycology, 25 (3). pp. 251-256. ISSN 0967-0262

Singh, Durg Vijai ; Kumar, Har Darshan (1988) Effect of methionine-sulfoximine on nitrate uptake and photosynthesis in the cyanobacterium Anabaena doliolum Bharadwaja Current Microbiology, 17 (1). pp. 1-4. ISSN 0343-8651

Jha, Mahendra ; Kumar, Ashok ; Kumar, Har Darshan (1986) Stimulation of in vivo nitrate reductase activity in the thermal cyanobacterium Oscillatoria princeps under microaerobic conditions Current Microbiology, 14 (3). pp. 145-147. ISSN 0343-8651

Nultsch, Wilhelm ; Kumar, Har Darshan (1984) Effects of quenching agents on the photodynamically-induced chemotactic response of the colorless flagellate Polytomella magna Photochemistry and Photobiology, 40 (4). pp. 539-543. ISSN 0031-8655

Kumar, Har Darshan (1962) Observations on the developmental variability of Camptylonema lahorense Ghose Hydrobiologia, 20 (4). pp. 356-366. ISSN 0018-8158