Publications by authors named "A Rahi"

The goal of achieving autonomous navigation for agricultural robots poses significant challenges, mostly arising from the substantial natural variations in crop row images as a result of weather conditions and the growth stages of crops. The processing of the detection algorithm also must be significantly low for real-time applications. In order to address the aforementioned requirements, we propose a crop row detection algorithm that has the following features: Firstly, a projective transformation is applied to transform the camera view and a color-based segmentation is employed to distinguish crop and weed from the background.

View Article and Find Full Text PDF

Cdt1 is a mixed folded protein critical for DNA replication licensing and it also has a "moonlighting" role at the kinetochore via direct binding to microtubules and the Ndc80 complex. However, it is unknown how the structure and conformations of Cdt1 could allow it to participate in these multiple, unique sets of protein complexes. While robust methods exist to study entirely folded or unfolded proteins, structure-function studies of combined, mixed folded/disordered proteins remain challenging.

View Article and Find Full Text PDF

Castration-resistant prostate cancer (CRPC) progresses despite androgen deprivation therapy, as cancer cells adapt to grow without testosterone, becoming more aggressive and prone to metastasis. CRPC biology complicates the development of effective therapies, posing challenges for patient care. Recent gene-expression and metabolomics studies highlight the Hexosamine Biosynthetic Pathway (HBP) as a critical player, with key components like GNPNAT1 and UAP1 being downregulated in metastatic CRPC.

View Article and Find Full Text PDF
Article Synopsis
  • Ferroxidases are crucial enzymes that help convert ferrous iron (Fe²⁺) into ferric iron (Fe³⁺), playing a vital role in iron metabolism and homeostasis in living organisms.
  • The study introduces a new spectrophotometric method to measure serum ceruloplasmin ferroxidase activity, which is characterized by its simplicity, sensitivity, and speed, using ferrous ions and chromogenic compounds like salicylic or sulfosalicylic acid.
  • The new method shows a high correlation (0.99) with the standard method, offering a reliable and easier alternative for assessing ferroxidase activity without the use of strong acids.
View Article and Find Full Text PDF

Tissue engineering is a multidisciplinary field that merges engineering, material science, and medical biology in order to develop biological alternatives for repairing, replacing, maintaining, or boosting the functionality of tissues and organs. The ultimate goal of tissue engineering is to create biological alternatives for repairing, replacing, maintaining, or enhancing the functionality of tissues and organs. However, the current landscape of tissue engineering techniques presents several challenges, including a lack of suitable biomaterials, inadequate cell proliferation, limited methodologies for replicating desired physiological structures, and the unstable and insufficient production of growth factors, which are essential for facilitating cell communication and the appropriate cellular responses.

View Article and Find Full Text PDF