Pragya Singh

ORCID: 0000-0001-5537-7401
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About
Contact & Profiles
Research Areas
  • Astro and Planetary Science
  • Planetary Science and Exploration
  • Geological and Geochemical Analysis
  • Clay minerals and soil interactions
  • Advancements in Transdermal Drug Delivery
  • Geochemistry and Geologic Mapping
  • Geology and Paleoclimatology Research
  • Geochemistry and Elemental Analysis
  • Advanced Battery Technologies Research
  • Bee Products Chemical Analysis
  • Dermatology and Skin Diseases
  • Iron oxide chemistry and applications
  • Space Science and Extraterrestrial Life
  • Space Exploration and Technology
  • Contact Dermatitis and Allergies
  • Essential Oils and Antimicrobial Activity
  • Computational Drug Discovery Methods
  • Conducting polymers and applications
  • Advanced Fluorescence Microscopy Techniques
  • Space Satellite Systems and Control
  • Geological formations and processes
  • Groundwater and Isotope Geochemistry
  • Mineralogy and Gemology Studies
  • Crystal Structures and Properties
  • Spacecraft Dynamics and Control

Max Planck Institute for Solar System Research
2023-2025

Indian Institute of Technology Bombay
2017-2024

National Institute of Science Education and Research
2023

University of California, San Francisco
1994-1996

The University of Queensland
1994-1996

Nonsteroidal anti-inflammatory drugs (NSAIDs) are being administered increasingly by transdermal drug delivery for the treatment of local muscle inflammation. The human epidermal permeabilities different NSAIDs (salicylic acid, diethylamine salicylate, indomethacin, naproxen, diclofenac and piroxicam) from aqueous solutions is dependent on drug's lipophilicity. A parabolic relationship was observed when logarithms NSAID permeability coefficients were plotted against octanol-water partition...

10.1016/s0022-3565(25)38459-4 article EN Journal of Pharmacology and Experimental Therapeutics 1994-01-01

Abstract Ceres, the largest object in asteroid belt, is only potential ocean world inner Solar System. Previous studies identified deposits of aliphatic organics and around Ernutet crater, at small locations Inamahari Urvara craters. The origin organics, either endogenic or exogenic, these fresh exposures still under debate. This study addresses by analyzing their global distribution geologic context. Our first step involved a search for organic‐rich sites that might have escaped previous...

10.1029/2024av001362 article EN cc-by AGU Advances 2025-01-27

Topically applied compounds can penetrate directly into deeper underlying tissues. In this report, an attempt has been made to establish structure-deep tissue penetration relationships for a variety of solutes with diverse physicochemical properties. Stepwise multiple linear regression analysis was performed the concentration in immediately overlying tissue, solute molecular size and octanol/water partition coefficient as independent variables. During initial period direct penetration, any...

10.1016/s0022-3565(25)21204-6 article EN Journal of Pharmacology and Experimental Therapeutics 1996-11-01

Green authigenic mica, i.e., celadonite, is commonly associated with submarine alteration of basic igneous rock. However, very few studies have reported the formation celadonite under nonmarine conditions. An integrated study involving field investigation, petrography, mineralogy, and mineral chemistry highlighted origin in two clay-rich horizons (green boles) Late Cretaceous Deccan volcanic province. Within Salher green bole, occurred as dissolution plagioclase, glass, pore-filling cement....

10.3390/min12020198 article EN Minerals 2022-02-03

The late Paleocene–early Eocene warm greenhouse conditions, characterized by elevated pCO2 levels in the atmosphere and a dramatic increase sea surface temperature, prompted abundant authigenic glauconite formation within shallow marine sediments worldwide lowering net sedimentation rate, increasing organic productivity expanding oxygen minimum zones to oceans. early marginal Cambay Shale Formation experienced episodes of inundation represented limestone–green shale alternations. shales host...

10.3390/min13050646 article EN Minerals 2023-05-07

Recent in vivo investigations have shown that pretreatment with topical all-trans retinoic acid (RA) may diminish the skin response to sodium lauryl sulphate (SLS). This study evaluated permeation of SLS through human after RA, and vice versa, by vitro methods. The permeability coefficient (3.24 +/- 0.21 x 10(3) cm/h) 24-h cumulative amount (3.41 0.6% dose applied) permeating RA-pretreated did not differ significantly from those across untreated (control) (P > 0.05). In contrast, RA (0.23...

10.1046/j.1365-2133.1996.d01-1016.x article EN British Journal of Dermatology 1996-09-01

Abstract Ceres is a partially differentiated dwarf planet located in the main asteroid belt. Consus crater (diameter ∼64 km) one of oldest impact features (∼450 Ma) on Cerean surface that surprisingly still shows large variety color lithologies, including exposures bright material, which are thought to be brine residues. Here, we present new results help understanding structure and composition crust. These were deduced by using newly processed Dawn Framing Camera (FC) imagery FC clear filter...

10.1029/2023je008150 article EN cc-by Journal of Geophysical Research Planets 2024-09-01

The Deccan volcanic province is extensively studied for the occurrence of K–Pg boundary, Cretaceous mass extinction, associated climate change and biotic crises. Late volcaniclastic sediments occurring in between lava flow, known as bole beds, are often overlooked. These however, useful to understand paleoenvironmental conditions during non-eruptive phases volcanism. A comprehensive study involving field, petrography mineralogical investigations focuses on a few cm m-thick beds...

10.5194/egusphere-egu23-710 preprint EN 2023-02-22
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