Publications by authors named "Kitiara Griffin"

Article Synopsis
  • - Sepsis is a severe immune reaction to infection that can lead to organ failure, and while current diagnostic methods exist, there's a need for quicker and more precise tests to improve survival rates.
  • - Researchers developed a 3D-printed microfluidic chip designed to capture specific sepsis cells in blood samples using antibodies CD69, CD64, and CD25, validating its effectiveness with clinical samples from 125 septic patients and 10 healthy individuals.
  • - The chip showed significant differences in antigen cell counts between healthy volunteers and septic patients, with a high diagnostic accuracy (AUC values exceeding 0.988 for individual markers and 0.997 for a combined panel), and offered results within 4 hours, much faster
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Sepsis is a serious medical condition that arises from a runaway response to an infection, which triggers the immune system to release chemicals into the bloodstream. This immune response can result in widespread inflammation throughout the body, which may cause harm to vital organs and, in more severe cases, lead to organ failure and death. Timely and accurate diagnosis of sepsis remains a challenge in analytical diagnostics.

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Liquid biopsies are examination procedures for deciding the grouping of malignant growth cells tracked down in samples of blood and other body fluids. Liquid biopsies are likewise significantly less intrusive than tissue biopsies as they just require small amount of blood or body fluids from the patient. With the utilization of microfluidics, cancer cells can be isolated from the fluid biopsy and achieve early diagnosis.

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Inertial microfluidic devices continue to show promise for label-free separation of cells from liquid biopsies and other biological samples. Serpentine-channel microfluidic devices capitalizing on inertial forces such as Dean flow have been demonstrated for cell separation, but are limited in performance due to the magnitude of the inertial lift and drag force gradients across the separation channel. We have developed a new flow design that uses periodic channel contractions to enhance the magnitude of the force gradient.

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