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  1. Awaludin S, Novitasari D
    Curr Probl Cardiol, 2024 Jan;49(1 Pt B):102110.
    PMID: 37769754 DOI: 10.1016/j.cpcardiol.2023.102110
    Coronary Heart Disease is the number 1 cause of death in the world, one of which is surgical intervention. Surgery can cause immobilization which has a risk of complications, reduces comfort, wellbeing and affects the patient's quality of life. Early mobilization of postcardiac surgery patients is influenced by various factors. The purpose of this study was to identify factors that influence the early mobilization of postcardiac surgery patients. Cross-sectional study design with a sample size of 86 postcardiac surgery patients. The instruments used were observation sheets, Visual Analoque Scale, State-Trait Anxiety Inventory compiled by Spilberger, observation sheets referring to the Malaysia Society of Intensive Care and Thompson. The multivariate analysis used in this study used Structural Equation Modeling. There is a significant effect between anxiety and early mobilization p value 0.041 with a regression coefficient of 0.308. There is a significant effect between energy levels and early mobilization p value 0.044 with a regression coefficient of 0.191. There is a significant indirect effect of exercise therapy intervention on early mobilization mediated by anxiety with a p value of 0.048 and a regression coefficient of 0.230. Other exogenous variables have no significant effect on early mobilization variables, pain and anxiety. Management of pain, anxiety, giving exercise therapy and fulfilling energy levels need to be done to increase early mobilization of patients after cardiac surgery.
  2. Marhaendra LIA, Rosandi Y, Gazzali AM, Novitasari D, Muchtaridi M
    Drug Dev Ind Pharm, 2025 Jan 21.
    PMID: 39835740 DOI: 10.1080/03639045.2025.2457387
    OBJECTIVE: This article provides a substantial review of recent research and comparison on molecular dynamics potentials to determine which are most suitable for simulating the phenomena in graphene-based nanomaterials (GBNs).

    SIGNIFICANCE: GBNs gain significant attention due to their remarkable properties and potential applications, notably in nanomedicine. However, the physical and chemical characteristics toward macromolecules that justify their nanomedical applications are not yet fully understood. The molecular interaction through molecular dynamic simulation offers the benefits for simulating inorganic molecules like GBNs, with necessary adjustments to account for physical and chemical interactions, or thermodynamic conditions.

    METHOD: In this review, we explore various molecular dynamics potentials (force fields) used to simulate interactions and phenomena in graphene-based nanomaterials. Additionally, we offer a brief overview of the benefits and drawbacks of each force fields that available for analysis to assess which one is suitable to study the molecular interaction of graphene-based nanomaterials.

    RESULT: We identify and compare various molecular dynamics potentials that available for analysing GBNs, providing insights into their suitability for simulating specific phenomena in graphene-based nanomaterials. The specification of each force fields and its purpose can be used for further application of molecular dynamics simulation on GBNs.

    CONCLUSION: GBNs hold significant promise for applications like nanomedicine, but their physical and chemical properties must be thoroughly studied for safe clinical use. Molecular dynamics simulations, using either reactive or non-reactive MD potentials depending on the expected chemical changes, are essential for accurately modeling these properties, requiring careful selection based on the specific application.

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