| Adsorption of heavy metal ions by various low-cost adsorbents: a review R Chakraborty, A Asthana, AK Singh, B Jain, ABH Susan International Journal of Environmental Analytical Chemistry 102 (2), 342-379, 2022 | 232 | 2022 |
| Cationic dye removal using novel magnetic/activated charcoal/β-cyclodextrin/alginate polymer nanocomposite S Yadav, A Asthana, R Chakraborty, B Jain, AK Singh, SAC Carabineiro, ... Nanomaterials 10 (1), 170, 2020 | 96 | 2020 |
| Adsorption of cationic dyes, drugs and metal from aqueous solutions using a polymer composite of magnetic/β-cyclodextrin/activated charcoal/Na alginate: Isotherm, kinetics and … S Yadav, A Asthana, AK Singh, R Chakraborty, SS Vidya, MABH Susan, ... journal of Hazardous Materials 409, 124840, 2021 | 91 | 2021 |
| Novel glycine-functionalized magnetic nanoparticles entrapped calcium alginate beads for effective removal of lead R Verma, A Asthana, AK Singh, S Prasad, MABH Susan Microchemical Journal 130, 168-178, 2017 | 51 | 2017 |
| Adsorption of hazardous chromium (VI) ions from aqueous solutions using modified sawdust: kinetics, isotherm and thermodynamic modelling R Chakraborty, R Verma, A Asthana, SS Vidya, AK Singh International Journal of Environmental Analytical Chemistry 101 (7), 911-928, 2021 | 40 | 2021 |
| Domain specific return on investment model system and method of use A Asthana, V Gupta US Patent 7,603,304, 2009 | 39 | 2009 |
| Glycine functionalized magnetic nanoparticle entrapped calcium alginate beads: A promising adsorbent for removal of Cu (II) ions A Asthana, R Verma, AK Singh, MABH Susan Journal of environmental chemical engineering 4 (2), 1985-1995, 2016 | 31 | 2016 |
| Development of surfactant assisted kinetic method for trace determination of thallium in environmental samples GP Pandey, AK Singh, S Prasad, L Deshmukh, A Asthana Microchemical Journal 118, 150-157, 2015 | 26 | 2015 |
| An arginine functionalized magnetic nano-sorbent for simultaneous removal of three metal ions from water samples R Verma, A Asthana, AK Singh, S Prasad RSC advances 7 (81), 51079-51089, 2017 | 25 | 2017 |
| Methionine-functionalized graphene oxide/sodium alginate bio-polymer nanocomposite hydrogel beads: synthesis, isotherm and kinetic studies for an adsorptive removal of … S Yadav, A Asthana, AK Singh, R Chakraborty, S Sree Vidya, A Singh, ... Nanomaterials 11 (3), 568, 2021 | 23 | 2021 |
| A novel and sensitive kinetic method for the determination of malathion using chromogenic reagent GP Pandey, AK Singh, L Deshmukh, S Prasad, LJ Paliwal, A Asthana, ... Microchemical Journal 113, 83-89, 2014 | 23 | 2014 |
| Kinetic-spectrophotometric determination of methyl parathion in water and vegetable samples N Tiwari, A Asthana, K Upadhyay Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 101, 54-58, 2013 | 22 | 2013 |
| Intensified elimination of aqueous heavy metal ions using chicken feathers chemically modified by a batch method R Chakraborty, A Asthana, AK Singh, S Yadav, MABH Susan, ... Journal of Molecular Liquids 312, 113475, 2020 | 21 | 2020 |
| Silver nanoparticle entrapped calcium‐alginate beads for Fe (ii) removal via adsorption A Asthana, R Verma, AK Singh, MABH Susan, R Adhikari Macromolecular Symposia 366 (1), 42-51, 2016 | 21 | 2016 |
| Solid phase extractive spectrophotometric determination of some sulfa drugs K Upadhyay, A Asthana, N Tiwari Asian J. Pharm. Clin. Res 5 (2), 222-226, 2012 | 20 | 2012 |
| A simple spectrophotometric method for the determination of nicotine in environmental samples A Asthana, R Rastogi, G Sunita, VK Gupta Journal of the Chinese Chemical Society 51 (5A), 949-953, 2004 | 14 | 2004 |
| Kinetic determination of trace amount of mercury (II) in environmental samples GP Pandey, AK Singh, S Prasad, L Deshmukh, A Asthana, SB Mathew, ... Microchemical Journal 128, 55-61, 2016 | 13 | 2016 |
| Determination of nimesulide in pharmaceutical and biological samples by a spectrophotometric method assisted with the partial least square method K Upadhyay, A Asthana, N Tiwari, SB Mathew Research on Chemical Intermediates 39, 3553-3563, 2013 | 13 | 2013 |
| A sensitive spectrophotometric determination of atrazine in micellar medium and its application in environmental samples N Tiwari, A Asthana, K Upadhyay Research on Chemical Intermediates 39, 2867-2879, 2013 | 11 | 2013 |
| Comparison of the routine Papanicolaou staining technique with the rapid, economic, acetic acid, Papanicolaou (REAP) technique. A Asthana, AK Singh | 10 | 2014 |
