Hirdyesh Mishra

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Photophysical properties of 5-aminoquinoline (5AQ) have been investigated in various non-polar and polar (protic and aprotic) solvents using steady state and time resolved fluorescence. In aprotic solvents, the spectral maxima depend on the polarity. However, in protic solvents both the fluorescence intensity as well decay time show decrease depending on(More)
A fundamental issue related to therapy of HIV-1 infection is the emergence of viral mutations which severely limits the long term efficiency of the HIV-protease (HIV-PR) inhibitors. Development of new drugs is therefore continuously needed. Chemoinformatics enables to design and discover novel molecules analogous to established drugs using computational(More)
Acquired immunodeficiency syndrome (AIDS) is a major health problem in many parts of the world. The human immunodeficiency virus-1 integrase (HIV-1 IN) enzyme has been targeted in HIV patients for therapy. Several integrase inhibitors have been reported, but only elvitegravir (EVG), a new-generation drug, is clinically approved for HIV treatment. In the(More)
Study of copper complex of creatinine and urea is very important in life science and medicine. In this paper, spectroscopic and structural study of a newly synthesized heteroligand complex of copper with creatinine and urea has been discussed. Structural studies have been carried out using DFT calculations and spectroscopic analyses were carried out by(More)
Photo induced excited state dynamical processes of cinchonine alkaloid dication (C++) have been studied over a wide range of temperature using steady state and nanosecond time-resolved fluorescence spectroscopic techniques. The temperature-dependent fluorescence studies of C++ clearly indicate the existence of two distinct emitting species having their own(More)
A novel sulfobetaine copolymer is developed via polycondensation approach. The comonomers, melamine, condenses with a diketone, 5,5-dimethyl-1,3-cyclohexane (dimedone) to produce polyimine chain based on Schiff base chemistry. Dimedone-[N,N’ melaminium] propane sulfonate copolymer crystals were obtained on treatment of the polyimine with sulfopropylating(More)
The metabolic transformation of antirheumatic fluorescent drug leflunomide into its active metabolite teriflunomide through isoxazole ring opening has been monitored in vitro using steady state and time domain fluorescence spectroscopy and density functional theory. During metabolic reaction, absorption of leflunomide split into two bands resembling(More)
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