Publications by authors named "Saha T"

Importance: Delirium is common after cardiac surgery and associated with adverse outcomes. Intraoperative benzodiazepines may increase postoperative delirium but restricting intraoperative benzodiazepines has not yet been evaluated in a randomized trial.

Objective: To determine whether an institutional policy of restricted intraoperative benzodiazepine administration reduced the incidence of postoperative delirium.

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The Wnt/β-catenin signalling pathway normally maintains cellular and tissue homeostasis by regulating cellular differentiation and survival in a controlled manner. An aberrantly regulated Wnt/β-catenin signalling pathway can transform into an oncogenic pathway, which is associated with Colorectal cancer (CRC) as well as other cancers. CRC is one of the most frequently occurring gastrointestinal cancers worldwide.

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The establishment of protective immune responses relies on the ability of terminally differentiated B cells to secrete a broad variety of antigen-specific antibodies with different effector functions. RIF1 is a multifunctional protein that promotes antibody isotype diversification via its DNA end protection activity during class switch recombination. In this study, we showed that RIF1 ablation resulted in increased plasmablast formation ex vivo and enhanced terminal differentiation into plasma cells upon immunization.

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  • All-solid-state lithium-ion batteries (ASSLBs) are poised to enhance the performance and safety of next-generation electronics, especially electric vehicles, by utilizing solid electrolytes with high ionic conductivity.
  • Researchers have substituted the B-site of LiLaTiO (LLTO) with Ga to create Ga-doped LLTO solid electrolytes, leading to structural improvements, enhanced ionic conductivity, and better electrochemical stability through a solid-state reaction method.
  • The results show that Ga-doped LLTO exhibits a significantly increased ionic conductivity of 4.15 × 10 S cm in LiLaTiGaO (with 3% Ga), making it a promising candidate for future ASSLB applications due to its stable operating voltage range.
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The biological production of lipids presents a sustainable method for generating fuels and chemicals. Recognized as safe and enhanced by advanced synthetic biology and metabolic engineering tools, yeasts are becoming versatile hosts for industrial applications. However, lipids accumulate predominantly as triacylglycerides in yeasts, which are suboptimal for industrial uses.

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Natural products have perennially served as a cornerstone for the genesis of novel medicinal compounds. Most clinical therapeutics originate from ancestral herbal remedies and their formulations. Scholars and practitioners have always aimed to extract better remedies to treat various ailments.

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Background: Pain is a serious manifestation in both the acute and chronic stages of Guillain-Barre syndrome (GBS). We evaluated the frequency, characteristics and associated factors of pain and its impact on quality of life (QoL) among patients with GBS.

Methods: We enrolled 644 patients with GBS from prospective cohort studies in Bangladesh conducted between 2010 and 2024.

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The present perspective accentuates the synthesis of PANI-CuFeO (PCF) nanocomposite, and photocatalytic degradation of methylene blue (MB) dye using a synthesized composite. The stable PCF is confirmed and characterized by analytical techniques, namely, fourier transform infrared (FTIR) and X-ray photoelectron (XPS) spectroscopy, X-ray diffraction (XRD), energy-dispersive X-ray (EDX), scanning electron microscopy (SEM), and vibrating sample magnetometry (VSM) analysis. The synthesized PCF nanocomposites are significantly crystalline in nature, having magnetic saturation of 10.

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  • Baccaurea motleyana (Rambai) is a Southeast Asian fruit traditionally used for various health issues like eye discomfort and digestive problems.
  • The study extracted and analyzed the peel's methanol components for their antioxidant, cytotoxic, and antimicrobial properties, finding 20 phytochemicals with significant effects.
  • The results indicate that Rambai fruit may hold potential for therapeutic applications, particularly in treating diarrhea and possibly developing new drugs.
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  • * Sulfonated graphene oxide (SGO) is an effective material for removing antibiotics from water, with its adsorption characteristics being defined by specific kinetic and isotherm models.
  • * Thermodynamic studies suggest that levofloxacin adsorption onto SGO is both endothermic and spontaneous, indicating SGO's potential as a cost-effective solution for cleaning contaminated water.
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Cyclometalation offers a wide number of organometallic metallacycles showing diverse applications. However, such NHC complexes synthesized via an sp C-H bond activation are rare. An iridium(III) complex with a chiral mesoionic N-heterocyclic carbene (MIC) ligand, where the Ir forms an additional Ir-C bond via a regiospecific sp C-H bond activation at the N-methylbenzyl wingtip, was synthesized and characterized.

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Diabetes management demands precise monitoring of key biomarkers, particularly insulin (I) and glucose (G). Herein, we present a bioelectronic chip device that enables the simultaneous detection of I and G in biofluids within 2 min. This dual biosensor chip integrates aptamer-based insulin sensing with enzymatic glucose detection on a single platform, employing a four-electrode sensor chip.

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Background: The 2023 dengue outbreak has proven that dengue is not only an endemic disease but also an emerging health threat in Bangladesh. Integrated studies on the epidemiology, clinical characteristics, seasonality, and genotype of dengue are limited. This study was conducted to determine recent trends in the molecular epidemiology, clinical features, and seasonality of dengue outbreaks.

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  • The study focuses on enhancing metal center cooperation through tailored ligand design for improved multimetallic catalysis.
  • A bimetallic Pd NHC/pyridine complex was synthesized using a novel ligand featuring an ethynylbenzene framework, allowing the creation of more complex dinuclear complexes.
  • The dinuclear complexes exhibited superior catalytic performance, particularly those with acetylene linkers, compared to mononuclear and other dinuclear complexes, which was evidenced by better results in specific chemical reactions.
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Chronic post-thoracotomy pain (CPTP) is a major clinical problem that affects up to 35-55% of patients undergoing thoracic incisions. Evidence suggests that multiple cellular signaling pathways and neuro-inflammatory mediators may play an essential role in the pathogenesis of CPTP. In this comprehensive review, we present the current evidence on the cellular signaling pathways and inflammatory changes associated with the initiation and maintenance of CPTP, focusing on the potential application of these findings in the clinical setting.

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  • * Common local effects included pain, swelling, and redness at the injection site, while systemic effects like fever and headache were prevalent within 48 hours post-vaccination; Oxford-AstraZeneca was linked to higher rates of thrombosis.
  • * Females and older adults with preexisting conditions faced greater risks of severe and long-term effects, with Pfizer-BioNTech showing the highest odds of adverse outcomes among the vaccines studied.
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  • * The results showed that USG had excellent sensitivity and accuracy in identifying conditions like synovial effusion and bursitis, with 100% effectiveness, while its performance on ACL and meniscal tears was lower but still significant.
  • * The study concluded that high-resolution USG is a reliable first-line imaging option for evaluating knee pain, as it outperformed MRI in many cases of common knee abnormalities.
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  • The study investigates the potential link between prenatal exposure to PFAS (per- and polyfluoroalkyl substances) and neurodevelopmental issues in children, using blood samples from 757 pregnant women.
  • Results showed that higher maternal PFOA levels were linked to reduced behavioral and social impairments in children, with boys showing more significant associations than girls.
  • Overall, the findings suggest weak correlations between prenatal PFAS exposure and neurobehavioral outcomes, indicating that higher exposure may not lead to notable negative developmental issues.
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Mitochondrial loss and dysfunction drive T cell exhaustion, representing major barriers to successful T cell-based immunotherapies. Here, we describe an innovative platform to supply exogenous mitochondria to T cells, overcoming these limitations. We found that bone marrow stromal cells establish nanotubular connections with T cells and leverage these intercellular highways to transplant stromal cell mitochondria into CD8 T cells.

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  • The increasing number of diabetes patients has led to a growing demand for glucose monitoring devices, but traditional blood glucose testing methods only provide occasional readings.
  • A new sweat glucose monitoring system operates continuously without needing sweat stimulation, utilizing innovative materials and techniques for real-time glucose measurement.
  • Tests on this system show a strong correlation between glucose levels measured in sweat and traditional blood samples, indicating its potential as an effective continuous monitoring tool for diabetes management.
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Optical sensors have shown significant promise in offering additional data to track insect populations. This article presents a comparative study between abundance measurements obtained from a novel near-infrared optical sensor and physical traps. The optical instrument, named an Entomological Bistatic Optical Sensor System, or eBoss, is a non-destructive sensor operating in the near-infrared spectral range and designed to continuously monitor the population of flying insects.

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Fall Armyworm imposes a major risk to agricultural losses. Insecticides have historically been used to manage its infestations, but it eventually becomes resistant to them. To combat the pest, a more recent strategy based on the use of transgenic maize that expresses Bt proteins such as Cry1F from the bacteria has been used.

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Ethnopharmacological Relevance: Abutilon indicum, a shrub of the Malvaceae family, is found abundantly in tropical countries like India. A. indicum is widely used for its high medicinal properties.

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Pharmaceutical contamination poses a significant threat to global health. Due to their high solubility in water, antibiotics are difficult to remove. This study produced and used sulfonated graphene oxide (SGO) to adsorb sparfloxacin from aquatic environments.

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