Publications by authors named "Sami Obaid"

Article Synopsis
  • The study highlights the environmental and economic threats posed by the overabundance of Prosopis juliflora (PJ) fibers in developing countries and proposes using these fibers in polymer composites as a solution.
  • The focus is on creating a composite material by mixing PJ fibers with a polylactic matrix and zinc oxide nanofillers, utilizing the hand layup technique for fabrication.
  • Results indicate that the zinc oxide filler significantly improves the mechanical properties (like tensile and flexural strength) and thermal behavior (like thermal conductivity and heat resistance) of the PJ composite, with specific strength values reported for sample S5.
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  • Microplastic contamination is severely impacting various ecosystems, particularly estuarine environments, with a study conducted on the Mahi River Estuary in Gujarat assessing the level of this pollution.
  • The research involved collecting sediment samples from 30 sites along the estuary, revealing a total of 1371 microplastic particles, with variations in abundance across different locations.
  • Dominant types of microplastics included fibers, fragments, films, and foam, primarily composed of polyethylene tetraphene, polyethylene, and polypropylene; tourism, fishing, and poor waste management are identified as potential sources of this contamination.
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Heavy metals have been recognized as a prominent hazard in today's world, causing pollution in the air environment. Woody tree species can play a significant role in the extraction and remediation of metal pollutants from the air, therefore promoting the air quality index. This study investigated the potential of four species of the Ficus genus (F.

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The insula is often considered the fifth lobe of the brain and is increasingly recognized as one of the most connected regions in the brain, with widespread connections to cortical and subcortical structures. As a follow-up to our previous tractography work, we investigated the resting-state functional connectivity (rsFC) profiles of insular subregions and assessed their concordance with structural connectivity. We used the CONN toolbox to analyze the rsFC of the same 19 insular regions of interest (ROIs) we used in our prior tractography work and regrouped them into six subregions based on their connectivity pattern similarity.

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Native lotus (Nelumbo nucifera G.) seed starch (LSS) was single- and dual-modified by heat-moisture treatment (HMT), ultrasonication (US), HMT followed by the US (HMT-US), and the US followed by HMT (US-HMT). The modified lotus seed starch (LSS) was evaluated for its physicochemical, pasting, thermal, and rheological properties and in vitro digestibility.

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The magnesium alloy composite is a vital material for automotive applications due to its features like high stiffness, superior damping resistance, high strength, and lightweight. Here, the motto of research is to establish the AZ91 alloy nanocomposite with the exposures of 0, 1, 3, and 5 volume percentages (vol%) of nano zirconium dioxide (ZrO) particles (50nm) through fluid stir metallurgy route associated with 1x10 Pa vacuum die cast process. Exposures on structural morphology, hardness, and impact toughness of composite are analyzed and identified as the nano AZ91 alloy composite enclosed with 5vol% is homogenous particle dispersion, enhanced hardness (97.

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Functional coactivation between human brain regions is partly explained by white matter connections; however, how the structure-function relationship varies by function remains unclear. Here, we reference large data repositories to compute maps of structure-function correspondence across hundreds of specific functions and brain regions. We use natural language processing to accurately predict structure-function correspondence for specific functions and to identify macroscale gradients across the brain that correlate with structure-function correspondence as well as cortical thickness.

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Introduction: Operculo-insular epilepsy (OIE) is a rare condition amenable to surgery in well-selected cases. Despite the high rate of neurological complications associated with OIE surgery, most postoperative deficits recover fully and rapidly. We provide insights into this peculiar pattern of functional recovery by investigating the longitudinal reorganization of structural networks after surgery for OIE in 10 patients.

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Surgical management of drug-resistant epilepsy (DRE) in patients with multiple periventricular nodular heterotopias (PVNHs) is challenging. Identifying the location of seizure onset within these complex epileptic networks is difficult, and open resection carries risks of injury to surrounding functional white matter tracts such as optic radiations (ORs). The authors demonstrate tractography-assisted laser ablation of a single nodule in a patient with DRE and multiple PVNHs.

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Drought stress can have negative impacts on crop productivity. It triggers the accumulation of reactive oxygen species, which causes oxidative stress. Limited water and nutrient uptake under drought stress also decreases plant growth.

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Article Synopsis
  • * Whole-genome sequencing of KHW-7 revealed a genome size of 31.59 MB, containing 9,745 protein-coding genes and identified significant biosynthetic gene clusters for secondary metabolites.
  • * The findings suggest that KHW-7 has potential for producing bioactive compounds and industrial enzymes, warranting further research and development.
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  • Salinity stress negatively impacts plant growth by disrupting balance and nutrient uptake, leading to reduced size and development.
  • The study investigates the combined effects of saponin (SAP) and boron (B) to alleviate this stress in sweet potatoes, focusing on enhancing growth and health metrics.
  • Results show that a specific combination of 0.15% SAP and 20 mg/L B significantly improved vine length, weight, chlorophyll content, and various rates of photosynthesis and transpiration compared to controls under salinity stress.
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The sustainable management of huge volume of agricultural waste in India can be resolved through composting and used as soil amendment. Agriculture waste compost amendments can optimistically alter the physicochemical (pH, C, N, & P) as well as biological nature (microbial activity/biomass and enzymatic activity) of infertile soil. Hence this study, the agriculture wastes such as sugarcane trash, corn stover, and pearl millet stalks were converted to composite through decomposition pit.

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Green pesticides, derived from natural sources, have gained wider attention as an alternative to synthetic pesticides for managing polyphagous pests, such as Spodoptera litura. In this study, the methanolic flower extract of Nyctanthes arbor-tristis (Mx-Na-t) was subjected to chemical screening, and 3-hydroxy-1,2-dimethyl-4(1H)-pyridone (3H-dp) and tyrosol (Ty-ol) were identified as the major derivatives. The toxic effects of Mx-Na-t (500 ppm) were highest in third-instar S.

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This investigation was performed to obtain a promising phytase enzyme producing yeast. In this regard, the PSM was used to isolate the phytase-producing Hanseniaspora guilliermondii S1 (MG663578) from sugarcane juice. The SSF optimum conditions for phytase generation were optimized using (OVAT) one-variable-at-a-time strategy using both Box-Behnken design and shake flask method (g/100 ml: 0.

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Agriculture plays a vital role in the food security and economies of Asian countries. Annually, numerous metric tons of vegetable and fruit wastes are disposed of. This research aimed to convert the food wastes encompassing the vegetable and fruit wastes into solid and liquid organic fertilizer and to evaluate their influence on the growth (germination, phytochemicals, and biomolecules) of Solanum lycopersicum and Capsicum annum.

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A novel multimode colorimetric and fluorescent chemosensor was developed using an 8-hydroxy quinoline carbaldehyde Schiff base with a quinoline hydrazide probe (E)-2-((2-(quinolin-2-yl)hydrazineylidene)methyl)quinolin-8-ol (L). NMR (H & C), FTIR, and HR-mass spectral characterization techniques confirmed the probe L structural conformation. As Probe L contacts Pb ions, a color change and turn-off emission can be visually detected in EtOH:HO (1:1, v/v, pH = 7.

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Objective: Statistical learning, the fundamental cognitive ability of humans to extract regularities across experiences over time, engages the medial temporal lobe (MTL) in the healthy brain. This leads to the hypothesis that statistical learning (SL) may be impaired in patients with epilepsy (PWE) involving the temporal lobe, and that this impairment could contribute to their varied memory deficits. In turn, studies done in collaboration with PWE, that evaluate the necessity of MTL circuitry through disease and causal perturbations, provide an opportunity to advance basic understanding of SL.

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This study aimed to characterize the sensory responses observed when electrically stimulating the white matter surrounding the posterior insula and medial operculum (PIMO). We reviewed patients operated on under awake conditions for a glioma located in the temporoparietal junction. Patients' perceptions were retrieved from operative reports.

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Cauliflower ( var) by-products (leaves, stems, stalks) (CBP) were successfully utilized in muffins as a model system and their feasibility of incorporation was investigated. CBP powder-based muffin formulations were made by the progressive replacement of wheat flour (WF) with 10%, 20%, and 30% of CBP. The physicochemical, pasting properties, antioxidant potential, textural characteristics, and sensorial attributes were analyzed.

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The present study was conducted to investigate the effect of storage on quality attributes of microencapsulated black carrot anthocyanins-enriched ice cream. Purposely, black carrot anthocyanins were obtained using ethanolic extraction. Later on, extracts were acidified and microencapsulated with gum arabic and maltodextrin (1:1).

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The number of studies about the use of efficient techniques to treat contaminated water bodies has increased in recent years. The use of bioremediation method for the reduction of contaminants from aqueous system is receiving a lot of attention. Thus, this study was designed to assess the Eichhornia crassipes biochar amended pollutants sorption competence of multi-metal tolerant Aspergillus flavus on South Pennar River.

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The growth of wheat (Triticum aestivum) is constrained by soil salinity, although some fungal species have been shown to enhance production in saline environments. The yield of grain crops is affected by salt stress, and this study aimed to investigate how arbuscular mycorrhizal fungus (AMF) mitigates salt stress. An experiment was conducted to assess the impact of AMF on wheat growth and yield in conditions of 200 mM salt stress.

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Statistical learning, the fundamental cognitive ability of humans to extract regularities across experiences over time, engages the medial temporal lobe in the healthy brain. This leads to the hypothesis that statistical learning may be impaired in epilepsy patients, and that this impairment could contribute to their varied memory deficits. In turn, epilepsy patients provide a platform to advance basic understanding of statistical learning by helping to evaluate the necessity of medial temporal lobe circuitry through disease and causal perturbations.

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The tobacco cutworm, Spodoptera litura and cotton bollworm, Helicoverpa armigera (Lepidoptera: Noctuidae) are important pests of various agricultural crops that cause sevier economic loses throughout the world. Indiscriminate and frequent use of insecticide may lead to development of resistance in these pests. Nanotechnology has given an alternative to manage and overcome insecticide resistance for pest management strategies.

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