Publications by authors named "Kamal S"

A porous and flexible Zn-MOF was synthesized under solvothermal conditions by using the ligand 2,5-furandicarboxylic acid (2,5-FDA). This flexible Zn-MOF demonstrates a temperature-triggered breathing effect. At low temperature (100 K), we obtained the high-symmetry MOF denoted as with a unit cell volume of 1958 Å, characterized by triangular narrow pore (np) channels.

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Blood-contacting medical devices, especially extracorporeal membrane oxygenators (ECMOs), are highly susceptible to surface-induced coagulation because of their extensive surface area. This can compromise device functionality and lead to life-threatening complications. High doses of anticoagulants, combined with anti-thrombogenic surface coatings, are typically employed to mitigate this risk, but such treatment can lead to hemorrhagic complications.

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Over recent years, automated Human Activity Recognition (HAR) has been an area of concern for many researchers due to its widespread application in surveillance systems, healthcare environments, and many more. This has led researchers to develop coherent and robust systems that efficiently perform HAR. Although there have been many efficient systems developed to date, still, there are many issues to be addressed.

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Pendant organic chromophores have been used to improve the photocatalytic performance of many metal-based photosensitizers, particularly in first-row metals, by increasing π conjugation in ligands and lowering the energy of the photoactive absorption band. Using a combination of spectroscopic studies and computational modeling, we rationalize the excited state dynamics of a Co(III) complex containing pendant pyrene moieties, , where = 1,1'-(4-(pyren-1-yl)pyridine-2,6-diyl)bis(3-methyl-1-imidazol-3-ium). displays higher visible absorptivity, and blue luminescence from pyrene singlet excited states compared with [ = 1,1'-(pyridine-2,6-diyl)bis(3-methyl-1-imidazol-3-ium)] in which the pyrene moiety is absent.

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Background: Pain and inflammation are closely associated with rheumatoid arthritis (RA), which affects the bones and joints.

Aim: While there are a number of therapeutic options for arthritis, their side effects restrict their use and encourage the search for alternative, natural remedies.

Methods: In male rats, we examined the anti-inflammatory and anti-arthritic properties of venom (NHV).

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Aims: The disturbed light: dark (LD) cycle has been associated with critical complications, including obesity, diabetes and cancer. In the present study, we investigated the chronic effects of artificial light at daytime (AL) and light at night (RAL) after intraperitoneal (i.p.

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Burns are injuries to the skin or the underlying tissue system caused by heat, radiation, electricity, friction or chemicals. Burns can cause pain and discomfort during dressing changes; a person's pain response varies depending on individual perception. The pain response can indicate tissue damage in the body, as pain causes a person to experience discomfort.

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  • * This study introduces a new method for detecting DR, leveraging advanced techniques like synthetic data generation with GANs, K-Means Clustering-Based Binary Grey Wolf Optimizer (KCBGWO), and Fully Convolutional Encoder-Decoder Networks (FCEDN) combined with Extreme Learning Machines (ELM).
  • * The model achieved impressive results on the IDRiD dataset, with an accuracy of 99.87%, sensitivity of 99.33%, and specificity of 99.78%, indicating a significant advancement in DR diagnosis and offering a new
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Glucagon-like peptide-2 (GLP2) acts on the GLP2 receptor (GLP2R) and plays a role in intestinal growth and adaptation. The endogenous actions of GLP2R do not have an established association with human disease, although mouse-knockout models in a stressed state show enhanced susceptibility to small bowel injury, increased morbidity, mortality, and abnormal host-bacterial interactions. We report an 11-month-old female with multiple intensive care unit admissions for severe metabolic acidosis due to profuse nonbloody diarrhea in the context of various infections.

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Multiple input multiple output (MIMO) antennas have recently received attention for improving wireless communication data rates in rich scattering environments. Despite this, the challenge of isolation persists prominently in compact MIMO-based electronics. Various techniques have recently emerged to address the isolation issues, among which the defected ground structure (DGS) stands out as a cost-effective solution.

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The development of novel and efficient tyrosinase inhibitors is a critical necessity of agricultural, cosmetic and medicinal chemistry. Bearing in mind the therapeutical potential of naphthofuran-containing organic compounds, we carried out the CTAB-catalyzed ultrasound-assisted synthesis of a library of novel naphthofuran-triazole joined -aryl/alkyl acetamides 20(a-j) in 74-92% yield, which were further assessed for their tyrosinase inhibitory potential by taking kojic acid and ascorbic acid as standard inhibitors. The tyrosinase inhibitory assay demonstrated the promising tyrosinase inhibiting tendency of all prepared derivatives 20(a-h) as they all were found to be more efficient in comparison to the standard kojic acid.

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Background: Inadequate acute postoperative pain management is linked to the effect on the stress response and development of chronic pain. A unique regional anaesthetic method that is becoming more important for postoperative pain management is erector spinea plane block (ESP). Since its initial description, physicians have questioned weather this novel easy method can take the place of paravertebral block (PVB).

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Background And Objective: Pulmonary hypertension (PH) is a progressive hemodynamic condition associated with significant morbidity and mortality, especially in patients undergoing cardiac surgery. Therefore, the objective of this network meta-analysis (NMA) is to compare the efficacy of various pulmonary vasodilators in perioperative control of PH among patients undergoing mitral valve replacement surgery (MVRS), aiming to address the existing knowledge gap and improve perioperative outcomes.

Methods: Electronic databases including PubMed, Cochrane Central Registry of Controlled Trials, Scopus, Embase, and Web of Science (WOS) from inception to 17 September 2024.

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Objectives: This study compares the incidence, clinical features, microbial profiles, and outcomes of urinary tract infections (UTIs) in patients aged 65 years and older versus those younger than 65 years.

Methods: A longitudinal cohort of 1,123 patients was divided into Group A (≥65 years, n = 560) and Group B (<65 years, n = 563) and followed for 2 years. The study analyzed UTI incidence, clinical features, microbial profiles, and outcomes, including recurrence and antibiotic resistance.

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  • Chronic spontaneous urticaria (CSU) is a complex condition, and this study explored the connection between serum zonulin levels, a marker for "leaky gut," and CSU among patients.
  • The study included 97 CSU patients and 87 healthy controls, revealing that CSU patients had significantly lower zonulin levels than the controls (median of 2.93 ng/ml versus 3.92 ng/ml).
  • Although a positive correlation was found between serum zonulin and C-reactive protein, no significant relationship was established between zonulin levels and disease activity or immunoglobulin E levels, suggesting factors like diet and medication could impact zonulin levels in CSU patients.
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  • Cone-beam computed tomography (CBCT) is widely used in dentistry due to its compact size, low cost, and lower radiation exposure compared to traditional CT, providing valuable 3D images for various clinical purposes.
  • A study at Pure Smile Dental Center analyzed data from 70 patients to explore incidental findings in the maxillary sinus during CBCT scans, with a significant number of patients showing abnormalities such as opacification and sinusitis.
  • Results indicated that 60% of the patients had maxillary sinus findings, with females showing a higher incidence of these conditions compared to males.
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Context: Dentin biomodification has been emphasized as a means of improving the bond between composite resin and tooth surface, consequently enhancing its longevity.

Aim: To evaluate the shear bond strength (SBS) of dentin after pretreatment with 2% chlorhexidine (CHX), 2% chitosan, nonthermal atmospheric plasma (NTAP), proanthocyanidins (5% pine bark ((PB) and 5% bromelain).

Settings And Design: The study was designed as an investigation.

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Background: Biologic therapies are commonly used for inflammatory bowel disease (IBD) patients. Multiple biologic medicines can now be given both intravenously and subcutaneously. The different administration routes present provide different advantages regarding dose escalation, healthcare resource utilisation, pharmacokinetics, convenience and safety.

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Cyclometalated platinum complexes play a crucial role in catalysis, bioimaging, and optoelectronics. Phenylpyridines are widespread cyclometalating ligands that generate stable and highly emissive Pt complexes. While it is common practice to modify these ligands to fine-tune their photophysical properties, the incorporation of polycyclic aromatic hydrocarbons into the ligand's structure has been largely overlooked.

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Copper deficiency can mimic myelodysplastic syndrome, a group of heterogeneous hematopoietic disorders characterized by peripheral cytopenias, with potential progression to bone marrow failure and acute myeloid leukemia. We present the case of an 83-year-old female with a history of Graves' disease, early-stage hormone receptor-positive breast cancer, hypertension, and glaucoma, who presented with fatigue and progressive lower extremity weakness. Laboratory tests revealed macrocytic anemia, neutropenia, and lymphopenia, with normal platelet counts.

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Context: Effective use of nonthermal atmospheric plasma (NTAP) to strengthen adhesive-dentin interfacial bonding while disinfecting with chlorhexidine (CHX).

Aim: NTAP application at different time intervals on the dentinal shear bond strength (SBS) after pretreatment with 2% CHX as a cavity disinfectant.

Settings And Design: The design of the study was an study.

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  • A copper(I) donor-chromophore-acceptor triad was created, using 1,8-napthalenemonoimide as the electron acceptor and triphenylamine as the donor.
  • Analysis indicates that upon light excitation, the triad undergoes stepwise charge separation, with two distinct electron transfer steps occurring at approximately 20 ps and 722 ps.
  • The triad was successfully immobilized on semiconductor surfaces to form a photoanode and photocathode, generating photocurrent under white light, demonstrating its potential for use in energy-generating systems like dye-sensitized photoelectrochemical cells.
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Molecules capable of thermally activated delayed fluorescence (TADF) can exhibit triplet lifetimes on the order of μs-ms as well as low energy losses in the intersystem crossing (ISC) process. As a result, they have great potential to be used as sensitizers in triplet-triplet annihilation upconversion (TTA-UC) systems with high anti-Stokes shifts, replacing traditional phosphorescent sensitizers. In this study, we employ a red-absorbing boron difluoride curcuminoid-based TADF molecule as the sensitizer and a 9,10-diphenylanthracene derivative as the annihilator.

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, a spore-forming anaerobic Gram-positive rod commonly found in soil samples, is rarely associated with human disease. The authors report a rare case of osteomyelitis of the left distal femur in a young male patient, which is the first reported case of from Pakistan. A 21-year-old male, laborer by profession, presented with low-grade fever, fatigue and lethargy since more than a month, which progressed in severity over the last 2 weeks.

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