Publications by authors named "D Tesfaye"
The asymmetric Schiff base prepared from ethylenediamine and pyridine-2-carboxaldehyde reacts with Fe(ClO)·6HO to form the Fe(II) complex [FeL](ClO) with L = ,-diethyl-'-(pyridin-2-yl)methylene)ethane-1,2-diamine, where the Fe(III) starting material has been unexpectedly reduced to Fe(II). This complex was characterized by elemental analysis, infrared spectra, single crystal and powder X-ray diffraction measurements, variable temperature DC magnetic measurement and room temperature Mössbauer spectroscopy. The asymmetric ligand L coordinates in a tridentate fashion through its pyridyl, azomethine and amino nitrogen atoms, generating a distorted octahedral geometry around the central metal ion.
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- A hemolytic transfusion reaction results from immunological incompatibility between donor and recipient blood, leading to red blood cell destruction and symptoms of increased red cell death, even in rare cases of compatible transfusions.
- The case presented involves a 27-year-old pregnant woman with blood group AB positive who experienced anemia and hypotension due to antepartum hemorrhage; she underwent surgery, was monitored, and was discharged with stable lab results after three days.
- Acute hemolytic transfusion reactions are rare but serious, occurring in about 1 in 70,000 transfusions; typical symptoms may not be obvious if the patient is anesthetized, highlighting the need for careful monitoring post-transfusion
Background: Examining the mechanistic cellular responses to heat stress could aid in addressing the increasing prevalence of decreased fertility due to elevated ambient temperatures. Here, we aimed to study the differential responses of oocytes and granulosa cells to thermal fluctuations due to seasonal differences. Dry beef cows (n = 10) were housed together, synchronized and subjected to a stimulation protocol to induce follicular growth before ovum pick-up (OPU).
View Article and Find Full Text PDFBackground: Ovarian follicular fluid (FF) is a dynamic environment that changes with the seasons, affecting follicle development, ovulation, and oocyte quality. Cells in the follicles release tiny particles called extracellular vesicles (EVs) containing vital regulatory molecules, such as microRNAs (miRNAs). These miRNAs are pivotal in facilitating communication within the follicles through diverse signaling and information transfer forms.
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- Drug-resistant tuberculosis (DR-TB) poses a significant public health risk, prompting researchers to evaluate shorter treatment regimens for multidrug or rifampicin-resistant TB (MDR/RR-TB).
- A systematic review and network meta-analysis of 11 studies involving 3,548 patients found that a 6-month regimen of specific drug combinations significantly improved treatment outcomes compared to longer standard regimens.
- The shorter regimens not only resulted in better efficacy but also showed a lower risk of severe adverse events, suggesting they could be a safer and more effective option for treating MDR/RR-TB.