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Articles by Manmohan Singhal
Total Records ( 4 ) for Manmohan Singhal
  Manmohan Singhal and Arindam Paul
  A series of 4-methylphenylsemicarbazone was synthesized and investigated for their antipyretic activity using boiled cow milk induced pyrexia in rabbits. It was observed that the compound 4MS-8 exhibited maximum protection against pyrexia. Hydroxy substitution in aldehydic and acetophenic moiety of 4-methylphenylsemicarbazone derivatives significantly increased antipyretic activity.
  Manmohan Singhal and Arindam Paul
  In the present study, researchers designed a Pharmacophore Model chalconesemicarbazone which is having hydrogen acceptor site, hydrogen donor site, lipophilic site, etc., using Ligandscout-2.02 software. A series of chalcone semicarbazones was synthesized and evaluated for their anti-fungal activity by Paper Disk Diffusion Method. Based on the results of an anti-fungal study, compound CS-10 was the most active compound. It was observed that methoxy substitution in aldehydic moiety and hydroxyl substitution in the acetophenic moiety significantly increased anti-microbial spectrum against fungi.
  Manmohan Singhal and Niraj Kansara
  The aim of this study was to determine the in vivo antioxidant activity of newly formulated Oil in Water (O/W) creams of methanolic extract of Cassia tora L. leaves. O/W creams of methanolic extract of Cassia tora L. leaves was prepared, evaluated and tested for acute dermal toxicity study. The different O/W creams showed good physical characteristics and pass the sensitivity, irritation, grittiness and bleeding test. Exposure of Ultraviolet-B (UV-B) light decreased the reduced Glutathione (GSH), Catalase (CAT) and Superoxide Dismutase (SOD) activities and increased the Lipid Peroxidation (LPO). The oxidative stress induced by exposure of UV-B light in rats was minimized by single dose topical application of different concentrations of O/W creams and Cassia tora Methanolic extract (CTM). Researchers concluded that topical O/W creams and methanolic extract of Cassia tora leaves has potent antioxidant activity.
  Manmohan Singhal and Parul Srivastava
  Lymph nodes are organ and widely distributed in different parts of the body where innate immune responses lead to acquired immunity where autoreactive lymphocytes first encounter tissue-specific self-antigens and are either tolerized or activated. Lymph nodes respond well to mitogens (Concanavalin A) and alloantigens and stimulate the T-lymphocyte proliferation and activate the IL-2 surface receptor for expression of IL-2 in vitro. The present review aimed to discuss the pattern of expression of IL-2 and the effect of Concanavalin A in lymph nodes.
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