773 results for "Kumar Arvind"
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Journal Article
D* and B* mesons in strange hadronic medium at finite temperature
We calculate the effect of density and temperature of isospin symmetric strange medium on the shift in masses and decay constants of vector D and B mesons using chiral SU(3) model and QCD sum rule approach. In the present investigation the values of quark and gluon condensates are calculated from…
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Journal Article
Open strange meson $K^\pm_1$ in hot and dense nuclear matter
Using the unification of the chiral SU(3) model and QCD sum rules, we deduce the in-medium properties of $K^\pm_1$ meson. Within the chiral SU(3) model, medium modified gluon and quark condensates are evaluated through their interactions with the scalar fields ($\sigma$, $\zeta$, $\delta$, and…
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Journal Article Full text
Non-Hodgkins lymphoma with lactic acidosis at presentation: A case report of a rare oncologic emergency
Lactic acidosis (LA) has been reported to be associated with high grade lymphoma as a terminal event. Its causes are multi-factorial. It can either occur due to overproduction of lactic acid by rapidly dividing tumor or due to its underutilization due to involvement of liver by lymphomatous…
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Constitutive over expression of IL-1β, IL-6, NF-κB, and Stat3 is a potential cause of lung tumorgenesis in urethane (ethyl carbamate) induced Balb/c mice
BACKGROUND: Lung cancer is a leading cause of cancer death. There has been found a substantial gap in the understanding of lung cancer genesis at the molecular level. We developed urethane (ethyl carbamate) induced lung tumor mice model to understand the mechanism and molecules involved in the…
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Perturbing low dimensional activity manifolds in spiking neuronal networks
Several recent studies have shown that neural activity in vivo tends to be constrained to a low-dimensional manifold. Such activity does not arise in simulated neural networks with homogeneous connectivity and it has been suggested that it is indicative of some other connectivity pattern in…
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Antiproliferative efficacy of Tabernaemontana divaricata against HEP2 cell line and Vero cell line
BACKGROUND: Laryngeal cancer may also be called cancer of the larynx or laryngeal carcinoma. Conventional plants are a precious source of novel anticancer agents and are still in performance better role in health concern. The study was intended to estimation of the anticancer activity of the…
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A Kamm’s Circle-Based Potential Risk Estimation Scheme in the Local Dynamic Map Computation Enhanced by Binary Decision Diagrams
Autonomous vehicles (AV) are a hot topic for safe mobility, which inevitably requires sensors to achieve autonomy, but relying too heavily on sensors will be a risk factor. A high-definition map (HD map) reduces the risk by giving geographical information if it covers dynamic information from…
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Codon usage signatures in Sabia and Chapare for host adaptation
Sabia and Chapare viruses in the Arenavirus family cause viral hemorrhagic fever among humans with a fatality rate of 30% with no treatment models. Therefore, it is of interest to document the codon usage, amino acid patterns and associated factors influencing the observed variations in Sabia and…
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Role of interneuron subtypes in controlling trial-by-trial output variability in the neocortex
Trial-by-trial variability is a ubiquitous property of neuronal activity in vivo which shapes the stimulus response. Computational models have revealed how local network structure and feedforward inputs shape the trial-by-trial variability. However, the role of input statistics and different…
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Short-Term Synaptic Plasticity Makes Neurons Sensitive to the Distribution of Presynaptic Population Firing Rates
The ability to discriminate spikes that encode a particular stimulus from spikes produced by background activity is essential for reliable information processing in the brain. We describe how synaptic short-term plasticity (STP) modulates the output of presynaptic populations as a function of the…
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Journal Article Full text
Feasibility of dopamine as a vector-valued feedback signal in the basal ganglia
It is well established that midbrain dopaminergic neurons support reinforcement learning (RL) in the basal ganglia by transmitting a reward prediction error (RPE) to the striatum. In particular, different computational models and experiments have shown that a striatum-wide RPE signal can support RL…
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Journal Article Full text
Osteoporotic Distal Femur Fractures: An Overview
BACKGROUND: Distal femur fractures in geriatric patients present a significant challenge due to age-related factors, including osteoporosis, comorbidities, and diminished functional reserve. These injuries have high morbidity and require nuanced management strategies to optimize outcomes. In the…
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Journal Article Full text
Correction: Perturbing low dimensional activity manifolds in spiking neuronal networks
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Preprint Full text
Powers of facet ideals of simplicial trees
In this article, we study the linearity of the minimal free resolution of powers of facets ideals of simplicial trees. We give a complete characterization of simplicial trees for which (some) power of its facet ideal has a linear resolution. We calculate the regularity of the $t$-path ideal of a…
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Preprint Full text
Pursuit of biomarkers of brain diseases: Beyond cohort comparisons
Despite the diversity and volume of brain data acquired and advanced AI-based algorithms to analyze them, brain features are rarely used in clinics for diagnosis and prognosis. Here we argue that the field continues to rely on cohort comparisons to seek biomarkers, despite the well-established…
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Preprint Full text
A study of $J/ψ$ mass shift and bound states: Impact of $D D$ and $DD^*$ meson loops
We investigate the modification of the $J/ψ$ meson mass in asymmetric nuclear matter at zero and finite temperatures employing an effective Lagrangian approach that considers the contributions of $DD$ and $DD^*$ meson loops. The medium dependence of $D$ meson masses is determined using the hadronic…
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Journal Article Full text
Frequency-Dependent Changes in NMDAR-Dependent Synaptic Plasticity
The NMDAR-dependent synaptic plasticity is thought to mediate several forms of learning, and can be induced by spike trains containing a small number of spikes occurring with varying rates and timing, as well as with oscillations. We computed the influence of these variables on the plasticity…
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Prevention of Cerebrospinal Fluid Leaks and Transtemporal Surgery of Acoustic Tumors
Postoperative cerebrospinal fluid (CSF) leaks continue to be a problem with transtemporal approaches to the cerebellopontine angle. In this article we describe a modification of the transotic technique, which has proved to be effective in preventing both leaks and subcutaneous collections of CSF…
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Biodegradation of 4-chlorophenol in an airlift inner loop bioreactor with mixed consortium: effect of HRT, loading rate and biogenic substrate
In the present work, removal of 4-chlorophenol (4-CP) by the mixed microbial consortium was evaluated in an airlift inner loop bioreactor. During the study, the effect of various reactor parameters such as hydraulic retention time (HRT), biogenetic substrate concentration, loading rate, and initial…
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Multi-substrate biodegradation of chlorophenols by defined microbial consortium
In the present study, a defined mixed microbial consortium was investigated for their ability to utilize three different monochlorophenols (MCPs) and 2,4-DCP individually and in the mixture. None of the individual strains were able to utilize 3-CP and 4-CP, but when they were mixed to form defined…