Publications by authors named "A Widyastuti"

Article Synopsis
  • The Sunda porcupine, a rodent species native to Indonesia, is used in traditional medicine for treating ailments like back pain and toothache, though scientific research on its medicinal properties is limited.
  • This study aimed to identify active compounds in the ethanolic extract of Sunda porcupine quills and assess their antioxidant and antimicrobial activities, employing various assays for evaluation.
  • The results revealed the extract has significant antioxidant (IC 138.93 μg/mL) and antimicrobial properties against several bacterial strains, with 24 active compounds identified, including notable antioxidants and antimicrobial agents like butylated hydroxytoluene and eicosane.
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Objectives: The final irrigation solution should have the capability of a chelation agent to remove the smear layer. The purpose of this study was to determine the effect of EDTA, novel silver citrate, and chitosan nanoparticles as a final irrigation solution on the mechanical properties of root canal dentine, namely the flexural strength and elastic modulus.

Methods: Thirty-two intact, single, and straight roots, with no caries, no cracks, and no restoration of premolars, were assigned into four groups of 8 teeth each.

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Mortality rate among maintenance hemodialysis (HD) patients with COVID-19 is alarmingly high. In Fatmawati General Hospital, most of HD patients with COVID-19 presented with acute respiratory distress syndrome (ARDS). Hemoperfusion (HP) is a blood purification therapy used to remove cytokines and inflammatory mediators to prevent ARDS worsening and organ failure.

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Background: Recently patients need faster treatments, and delaying restoration is not possible following bleaching treatment. The purpose of this study was to determine the effect of antioxidants, namely 10% sodium ascorbate, 10% alpha-tocopherol, 10% green tea and 10% Aloe vera extract on the shear bond strength of composite resin to enamel following extra-coronal bleaching using 40% hydrogen peroxide.

Material And Methods: Seventy premolars were randomly assigned into 7 groups of 10 each.

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Background: As malaria transmission intensity approaches zero, measuring it becomes progressively more difficult and inefficient because parasite-positive individuals are hard to detect. This situation may arise shortly before achieving local elimination, or during surveillance post-elimination to prevent reintroduction. Antibody responses against the parasite last longer than the infections themselves.

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