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  1. 13501
    “…In majority of the cases (63.3%) the perforation diameter was =10mm (63.3%). Cellan-Jones repair of the perforations was done in 92.5% of cases. …”
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    Risk Factors that Affect Morbidity and Mortality in Patients with Perforated Peptic Ulcer Diseases in a Teaching Hospital
  2. 13502
    “…Chitosan, carboxymethyl cellulose, alginate and lignin based nanocomposites have demonstrated better adsorption activities due to great physical and chemical properties for the chelation of heavy metals such as Cd(2+), Pb(2+) and Zn(2+) from water and also higher regeneration with various eluents after several desorption-adsorption cycles. …”
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    Carbohydrate biopolymers, lignin based adsorbents for removal of heavy metals (Cd(2+), Pb(2+), Zn(2+)) from wastewater, regeneration and reuse for spent adsorbents including latent fingerprint detection: A review
  3. 13503
    “…The ethyl acetate extract showed the highest flavonoid contents (5.94 ± 0.04 mg/g, Quercetin Equivalents) and Fe2(+)-chelation (52%) potential with DPPH radicals-quenching IC(50) at 1.35 ± 0.16 mg/mL, while the aqueous ethanolic extract exhibited maximum phenolics contents (136.08 ± 0.12 mg/g, gallic acid equivalents) with DPPH scavenging potential at IC(50) 0.615 ± 0.06 mg/mL. …”
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    Phytochemical Analysis, Pharmacological and Safety Evaluations of Halophytic Plant, Salsola cyclophylla
  4. 13504
    “…An inhibitor of cholesterol efflux transporter ABCA1 or a cholesterol chelator in SNCA-OVX mice reduced the effects of DAT-inhibitors on evoked [DA](o). …”
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    Striatal Dopamine Transporter Function Is Facilitated by Converging Biology of α-Synuclein and Cholesterol
  5. 13505
    “…It has potential herb-drug interactions with oral hypoglycaemic agents, p-glycoprotein substrates, and antibiotics with cation chelating properties.…”
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    Carica papaya L. Leaf: A Systematic Scoping Review on Biological Safety and Herb-Drug Interactions
  6. 13506
    por Kunth, Martin, Schröder, Leif
    Publicado 2020
    “…Spin exchange between different chemical environments is an important observable for characterizing chemical exchange kinetics in various contexts, including protein folding, chelation chemistry, and host–guest interactions. Such spins experience effective spin–spin relaxation rate, R(2,eff), that typically shows a dispersive behavior which requires detailed analysis. …”
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    Binding site exchange kinetics revealed through efficient spin–spin dephasing of hyperpolarized (129)Xe
  7. 13507
    “…These solutions provide entry into diverse technologies, from small-scale production of actinide metal to preparing radiolabeled chelates for medical applications. However, like so many aqueous solutions that contain actinides and complexing agents, 5f-element speciation in acetic acid/acetate cocktails is poorly defined. …”
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    Advancing understanding of actinide(iii) (Ac, Am, Cm) aqueous complexation chemistry
  8. 13508
    “…The functional relevance of this complex was corroborated using intracellular Ca(2+) chelators; intracellular BAPTA (but not EGTA) application was sufficient to preclude POMC neuron excitability. …”
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    TRPC1/5-Ca(V)3 Complex Mediates Leptin-Induced Excitability in Hypothalamic Neurons
  9. 13509
    “…Total phenolic, flavonoids and total tannin contents were measured, and the antioxidant potential was determined by 2,2-Diphenyl-1-picrylhydrazyl, Ferric Reducing Antioxidant Power, 2,2-Azino-bis-3-ethylbenzothiazoline-6-sulfonic Acid, Hydroxyl (OH(−)) Radical Scavenging Activity, Chelating Ability of Ferrous Ion (Fe(2+)) and Reducing Power (RPA) assays. …”
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    LC-ESI/QTOF-MS Profiling of Chicory and Lucerne Polyphenols and Their Antioxidant Activities
  10. 13510
    “…A key step in the synthesis was a chelation-controlled addition of vinylmagnesium bromide to a maltose-derived enone intermediate. …”
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    Stereoselective synthesis of a 4-⍺-glucoside of valienamine and its X-ray structure in complex with Streptomyces coelicolor GlgE1-V279S
  11. 13511
    “…Hydrogen peroxide scavenger or copper chelation on macrophages abolished the IFN‐mediated PD‐L1 presentation by LOXL4. …”
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    Lysyl Oxidase‐Like 4 Fosters an Immunosuppressive Microenvironment During Hepatocarcinogenesis
  12. 13512
    “…Their ferroptosis inhibition is mediated by regular antioxidant pathways (ROS scavenging and iron chelation), rather than the redox-based catalytic recycling pathway exhibited by Fer-1. …”
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    Ferroptosis-Inhibitory Difference between Chebulagic Acid and Chebulinic Acid Indicates Beneficial Role of HHDP
  13. 13513
    “…Furthermore, PGE(2)- and 5-HT-induced duodenal I (sc) was also inhibited by ER Ca(2+) chelator TPEN. However, dantrolene, a selective blocker of ryanodine receptors, inhibited PGE(2)-induced duodenal I (sc), while LiCl, an inhibitor of IP(3) production, inhibited 5-HT-induced I (sc). …”
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    Role of Serosal TRPV4-Constituted SOCE Mechanism in Secretagogues-Stimulated Intestinal Epithelial Anion Secretion
  14. 13514
    “…We found that resistin enhanced intracellular Ca(2+) levels, NADPH oxidase activity, intracellular reactive oxygen species (ROS) production, NF-κB activity, and IL-6 expression in cerulein-stimulated AR42J cells, which were inhibited by ASX in a dose-dependent manner. The calcium chelator BAPTA-AM inhibited cerulein/resistin-induced NADPH oxidase activation and ROS production. …”
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    Astaxanthin Inhibits Interleukin-6 Expression in Cerulein/Resistin-Stimulated Pancreatic Acinar Cells
  15. 13515
    “…Among different algae extracts, chloroform extract showed significantly chelating ability (IC(50) = 0.027 mg/mL) and reducing power activity (IC(50) = 0.082 mg/mL), while the highest DPPH scavenging activity (IC(50) = 0.058 mg/mL) exhibited in the methanol extract compared to the other extracts. …”
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    Phytochemical screening, antioxidant potential, and cytotoxic effects of different extracts of red algae (Laurencia snyderiae) on HT29 cells
  16. 13516
    por Hartline, Douglas R., Meyer, Karsten
    Publicado 2021
    “…Uranium exists in a wide range of oxidation states, and its large ionic radii support chelating ligands with high coordination numbers resulting in increased complex stability. …”
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    From Chemical Curiosities and Trophy Molecules to Uranium-Based Catalysis: Developments for Uranium Catalysis as a New Facet in Molecular Uranium Chemistry
  17. 13517
    “…For phytopharmacological evaluation, in vitro antioxidant (including DPPH, ABTS, FRAP, CUPRAC, phosphomolybdenum, and metal chelation antioxidant assays) activities, enzyme inhibition potential (against AChE, BChE, α-amylase, and tyrosinase enzymes), and in vivo wound healing potential were determined. …”
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    Evaluation of the Phytochemical, Antioxidant, Enzyme Inhibition, and Wound Healing Potential of Calotropis gigantea (L.) Dryand: A Source of a Bioactive Medicinal Product
  18. 13518
    “…However, traditional tracers for renal imaging that chemically chelate (99m)Tc are excreted through the renal route with transient resident time in the kidney. …”
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    Targeted design of a recombinant tracer for SPECT renal imaging
  19. 13519
    “…Herein, we report the evaluation of potential bifunctional chelators for Tb-labeling of heat-sensitive biomolecules using human serum albumin (HSA) to assess the in vivo stability of the constructs. p-SCN-Bn-CHX-A”-DTPA, p-SCN-Bn-DOTA, p-NCS-Bz-DOTA-GA and p-SCN-3p-C-NETA were conjugated to HSA via a lysine coupling method. …”
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    Radiolabeling of Human Serum Albumin With Terbium-161 Using Mild Conditions and Evaluation of in vivo Stability
  20. 13520
    “…BACKGROUND: The use of regular blood transfusions and iron chelation therapy to treat thalassemia has improved survival and increased the incidence of osteoporosis. …”
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    Correlation of Transferrin Saturation and Serum Ferritin with Bone Mass Density in Adult Transfusion Dependent Beta-Thalassemia Patients
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