167 results match your criteria: "Technical Sciences Vocational School[Affiliation]"

Objective: This study aimed to investigate the presence of glycopeptide resistance and virulence genes in Enterococcus spp. isolated from cheese and the clonal relationship of E. faecium species with rectal surveillance isolates.

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The Impact of Pistacia khinjuk plant gender on silver nanoparticle synthesis: Are extracts of root obtained from female plants preferentially used?

Biochem Biophys Res Commun

December 2024

Department of Nanotechnology, Institute of Science, Dicle University, 21280, Diyarbakir, Turkey. Electronic address:

Pistacia khinjuk, a dioecious plant native to Southeast Anatolia, Turkey, features distinct male and female individuals with varying bioactive compound profiles. This study investigates the gender-specific phytochemical composition of root extracts from male and female Pistacia khinjuk plants and their influence on the green synthesis of silver nanoparticles. Using natural bioactive compounds such as polyphenols, flavonoids, alkaloids, and terpenoids as reducing and stabilizing agents, the study demonstrates significant differences between the nanoparticles synthesized from male and female root extracts.

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Pomegranate, hawthorn, gilaburu, blackberry, and rosehip vinegar postbiotic solutions (VPS) were produced by traditional methods. The bioactive components of VPS, antioxidant capacity, antimicrobial activities, minimum inhibition concentration (MIC), and minimum bactericidal concentration (MBC) assays were determined. While rosehip VPS has the highest amount of lactic acid, phenolic and flavonoids, gilaburu VPS has the highest butyric acid.

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In this paper, we introduce a category of Novel Jerk Chaotic (NJC) oscillators featuring symmetrical attractors. The proposed jerk chaotic system has three equilibrium points. We show that these equilibrium points are saddle-foci points and unstable.

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The study tested new oral plant-based formulations (F) on rats with monosodium iodoacetate (MIA)-induced osteoarthritis, measuring inflammation, antioxidant levels, paw size, stride, and analyzing knee joint images. Fifty-six female Sprague Dawley rats were allocated into 8 groups: (1) Control, (2) MIA (OA induced with MIA), (3) MIA + F1 [curcuminoids+gingerols+acetyl-11-keto-β boswellic acid (AKBA)], (4) MIA + F2 (curcuminoids+Withania glycosides+AKBA), (5) MIA + F3 (curcuminoids+total withanolides+AKBA), (6) MIA + F4 (curcuminoids, AKBA), (7) MIA + UCII (type II collagen), and (8) MIA + GCHON (Glucosamine Chondroitin). Treatments F1 to F4 reduced right joint diameter and improved stride length and paw area in OA rats.

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Article Synopsis
  • - Perylene monoimide diesters and phenyl-linked bichromophores exhibit strong fluorescence in dilute solutions while generating very few triplet states post-excitation, indicating efficient energy relaxation.
  • - The monomer in solution tends to form non-emissive face-to-face dimers, which upon illumination create a triplet pair with a yield of 13%, and this triplet has a short lifetime of about 80 ps before it decays.
  • - When the concentration increases, self-association happens, especially with the -bridged bichromophore, resulting in reduced triplet formation in solvents like tetrahydrofuran at room temperature.
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The target benzothiazole derivatives (8a-g) were synthesized starting from norbornene. The addition of dichloroketene to norbornene followed by the reduction of chlorine atoms were synthesized tricyclo[4.2.

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Article Synopsis
  • Microplastics (MPs) found in freshwater environments can have toxic effects on freshwater mussels, particularly affecting hemocyte counts and cellular health when exposed to both environmental and commercial types of MPs.
  • Experiments showed that high concentrations of MPs led to reduced levels of cellular glutathione and increased signs of oxidative stress in mussels over periods of 7 to 30 days.
  • Physical damage to mussel tissues, particularly in gills and digestive glands, was observed, indicating that MPs pose significant ecological health risks to these organisms.
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  • The study explored how hesperidin (HES) impacts testicular health in rats exposed to glyphosate (GLP), assessing histopathological and biochemical changes as well as semen characteristics.
  • Rats were divided into four groups: one without GLP or HES (control), one with HES, one with GLP, and one with both GLP and HES.
  • Results indicated that GLP negatively affected sperm quality and testicular tissue, while HES counteracted these effects, improving sperm parameters, antioxidant levels, and reducing oxidative damage.
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Assessing Microstructural, Biomechanical, and Biocompatible Properties of TiNb Alloys for Potential Use as Load-Bearing Implants.

J Funct Biomater

August 2024

The Scientific and Technological Research Council of Turkey, Life Sciences Medical Biotechnology Unit, Marmara Research Centre, Kocaeli 41470, Turkey.

Titanium-Niobium (TiNb) alloys are commonly employed in a number of implantable devices, yet concerns exist regarding their use in implantology owing to the biomechanical mismatch between the implant and the host tissue. Therefore, to balance the mechanical performance of the load-bearing implant with bone, TiNb alloys with differing porosities were fabricated by powder metallurgy combined with spacer material. Microstructures and phase constituents were characterized with energy dispersive spectroscopy (EDS), scanning electron microscopy (SEM), and X-ray diffraction (XRD).

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The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was the cause of the coronavirus 2019 (COVID-19), commonly known as the coronavirus pandemic. Since December 2020, COVID-19 vaccines have been extensively administered in numerous countries. In addition to new antiviral medications, the treatment regimen encompasses symptom management.

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Creating propositions for the near and distant future requires a design to catch the tide of the times and move with or against trends. In addition, appropriate, adaptable, flexible, and transformational projects are needed in light of changes in science, technology, social, economic, political, and demographic fields over time. Humanity is facing a period in which science and developing technologies will be even more important in solving food safety, health, and environmental problems.

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The article explores the polypharmacological profiling of 4-((5-(decylthio)-4-methyl-4H-1,2,4-triazole-3-yl)methyl)morpholine as a potential antimicrobial agent. The study utilized 15148 electronic pharmacophore models of organisms, ranked by the Tversky index. Detailed analysis revealed classical bonding patterns with selected enzymes, identifying key amino acid residues involved in complex formation.

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Background: Many methods are used for cancer treatment, especially chemotherapy. In addition to the their therapeutic effects, chemotherapeutic drugs also have serious disadvantages, such as not being cell and tissue-specific, causing toxicity in many tissues, and developing drug resistance. Many methods, especially nanocarriers, have been designed to overcome these disadvantages.

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Hemolysis is the most important issue to consider in the design and optimization of blood-contacting devices. Although the use of Computational Fluid Dynamics (CFD) in hemolysis prediction studies provides convenience and has promising potential, it is an extremely challenging process. Hemolysis predictions with CFD depend on the mesh, implementation method, coefficient set, and scalar-shear-stress model.

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Polyphenol oxidase (PPO) is an industrially important enzyme associated with browning reactions. In the present study, a set of ten new dihydropyridine [2,3-d] pyrimidines (TD-Hid-1-10) were synthesized and was found to be proven characteristically by H NMR, C NMR, IR, elemental analysis, and assessed as possible PPO inhibitors. PPO was purified from banana using three-phase partitioning, achieving an 18.

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Tissue engineering aims to improve or restore damaged tissues by using scaffolds, cells and bioactive agents. In tissue engineering, one of the most important concepts is the scaffold because it has a key role in keeping up and promoting the growth of the cells. It is also desirable to be able to load these scaffolds with drugs that induce tissue regeneration/formation.

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Pyruvate kinase (PK) activators have potential therapeutic applications in diseases such as sickle cell anemia. In this study, N-Substituted sulfonamide derivatives of 1,4-dihydropyridines were synthesized and evaluated as PK activators in vitro and using molecular docking studies. The compounds were synthesized by reacting dicarbonyl compounds with ammonium acetate, 5-nitrobenzaldehyde, and alumina sulfuric acid (ASA), followed by reduction and sulfonylation.

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Performance evaluation of geopolymer mortars containing waste ferrochrome slag and fly ash for sustainable green building.

Sci Rep

June 2024

Department of Construction Technology, Technical Sciences Vocational School, Dicle University, Diyarbakir, Turkey.

The aim of the present study, an attempt to shed light on the use of industrial-based wastes as alkali-activated binder (AAB) material is mainly. The present novel research work, the characterization of waste ferrochrome slag (FCS) and the performance of alkali-activated mortar consisting of fly ash (FA) were investigated. The characterization of used materials were carried out using advanced microstructural analysis techniques (XRF, XRD and SEM).

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Potential use of extracted flax seed mucilage in the construction of macroporous cryo-scaffolds.

Biomed Mater

July 2024

Chemistry and Chemical Process Technologies Department, Mersin Tarsus Organized Industrial Zone Technical Sciences Vocational School, Tarsus University, Mersin 33100, Turkey.

Mucilage is a natural source of polysaccharides that has recently attracted attention for use in biomaterial production. It attracts attention with its easy and fast extraction, biocompatibility, high water retention capacity, and biodegradability. Although there are studies on the characterization of mucilage obtained from different plant sources, the interaction of this polymer with other polymers and its potential to form new biomaterials have not yet been sufficiently investigated.

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Mushroom polysaccharides are important bioactive compounds derived from mushrooms with various beneficial properties. In this study, the chemical characterization and bioactivities of polysaccharide extracts from four different edible mushrooms, Donk, (Fr.) Quél.

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The life-history traits of ectothermic animals can be influenced by many abiotic factors, including climate. As an ectothermic species, we questioned whether the life-history characteristics of the orange-tailed skink () populations differ between two different environments/climates. Our findings showed that the average body size of lizards living in the Mediterranean climate zone was higher than those in the continental climate zone.

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Synthesis, Biological Properties, and Molecular Docking Study of Novel 1,2,3-Triazole-8-quinolinol Hybrids.

ACS Omega

June 2024

Laboratory of Materials, Nanotechnology, and Environment, Department of Chemistry, Faculty of Sciences, Mohammed V University in Rabat, Av. Ibn Battouta PO Box 1014 Agdal, Rabat 10500, Morocco.

A new series of 1,2,3-triazole-8-quinolinol hybrids were synthesized in good yields using monosubstituted acetonitriles and 5-azidomethyl-8-quinolinol as the starting reagents via a one-step protocol. The structures of 1,2,3-triazole-8-quinolinol hybrids were characterized by nuclear magnetic resonance (H and C NMR) spectroscopy and elemental analysis. Antibacterial activity in vitro of all the synthesized hybrids was investigated against (), (), (), and () applying the methods of disk diffusion and minimal inhibition concentration (MIC).

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Wet synthesis approach afforded four new heteroleptic mononuclear neutral diamagnetic oxidovanadium(V) complexes, comprising salicylaldehyde-based 2-furoic acid hydrazones and a flavonol coligand of the general composition [VO(fla)(L-ONO)]. The complexes were comprehensively characterized, including chemical analysis, conductometry, infrared, electronic, and mass spectroscopy, as well as 1D H and proton-decoupled C(H) NMR spectroscopy, alongside extensive 2D HH COSY, HC HMQC, and HC HMBC NMR analyses. Additionally, the quantum chemical properties of the complexes were studied using Gaussian at the B3LYP, HF, and M062X levels on the 6-31++g(d,p) basis sets.

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As a fermentation method, the utilisation of starter culture is a common practice in industrial manufacturing, although spontaneous methods have been employed since ancient times. The objective of this study was to investigate the effect of different production methods on red beetroot juice (RBJ). For this purpose, as a starter culture, the probiotic () was inoculated into the RBJ samples after pasteurization.

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