Publications by authors named "K Ramakrishna"

Stroke is a serious condition often resulting in mortality or long-term disability, causing cognitive, memory, and motor impairments. A reduction in cerebral blood flow below critical levels defines the ischemic core and penumbra: the core undergoes irreversible damage, while the penumbra remains viable but functionally impaired. This functional impairment activates complex cell signaling pathways that determine cell survival or death, making the penumbra a key target for therapeutic interventions to prevent further damage.

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Dynamic compression of iron to Earth-core conditions is one of the few ways to gather important elastic and transport properties needed to uncover key mechanisms surrounding the geodynamo effect. Herein, a machine-learned ab initio derived molecular-spin dynamics (MSD) methodology with explicit treatment for longitudinal spin-fluctuations is utilized to probe the dynamic phase-diagram of iron. This framework uniquely enables an accurate resolution of the phase-transition kinetics and Earth-core elastic properties, as highlighted by compressional wave velocity and adiabatic bulk moduli measurements.

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Article Synopsis
  • The study investigates the long-term health effects on infants born to mothers with COVID-19, focusing on those with congenital gastrointestinal malformations (CGIMs) who required surgery.
  • A total of 41 patients were analyzed, divided into two groups based on their mothers' COVID-19 status, and a one-year follow-up assessed their growth and developmental milestones.
  • Results showed that infants from COVID-19-positive pregnancies (Group 1) had significantly lower height and weight than those from non-COVID-19 pregnancies (Group 2), with a notable prevalence of antibiotic use and malabsorption syndrome in Group 1.
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Alzheimer's disease (AD) is a neurodegenerative disease characterized by beta-amyloid (Aβ) deposition and increased acetylcholinesterase (AchE) enzyme activities. Indole 3 carbinol (I3C) and diindolylmethane (DIM) are reported to have neuroprotective activities against various neurological diseases, including ischemic stroke, Parkinson's disease, neonatal asphyxia, depression, stress, neuroinflammation, and excitotoxicity, except for AD. In the present study, we have investigated the anti-AD effects of I3C and DIM.

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Background: Accurate and selective LC/ESI-MSMS method development and validation for the quantitation of pacritinib is the primary goal of this study to perform kinetic studies in the healthy rabbit.

Methods: Chromatographic resolution was accomplished with a hypersil/ODS (50 mm × 4.6 mm, 3 μ) analytical C column and a mobile phase composition of 0.

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