Clinico-Epidemiological Laboratory Findings of COVID- 19 Positive Patients in a Hospital in Saudi Arabia.

Background: Understanding COVID-19's onset and clinical effects requires knowing host immune responses.

Objective: To investigate the presence of IgM, IgG, and cytokine levels (IL-2 and IL-6) in individuals with COVID-19 who have had their diagnosis confirmed by PCR.

Methods: This cross-sectional research included 70 adult ICU patients from King Abdullah Hospital in Bisha, Saudi Arabia.

Thoraco-abdominal impalement injury with an iron rod: A case report.

Introduction And Importance: Impalement thoracoabdominal injuries are potentially life-threatening due to the associated bleeding and multiple visceral injuries. They are uncommon and often result in severe surgical complications, requiring prompt treatment and extensive care.

Case Presentation: We present a 45-year-old male patient who fell from a 4.

ZnO-chlorogenic acid nanostructured complex inhibits Covid-19 pathogenesis and increases hydroxychloroquine efficacy.

Objective: The study purpose was to compare the anti- novel coronavirus disease 2019 (COVID-19) property of chlorogenic acid (CGA) and Zinc oxide nanoparticles (ZnO-NP) with the new valid synthesized complex of ZnO /CGA-NPs.

Methods: The facile mixing method was utilized to prepare ZnO/CGA-NPs. The effect of different ZnO/CGA-NPs concentrations on papain-like protease (PL) and spike protein- receptor-binding domain (RBD) was measured by ELISA technique.

Cecal duplication cyst presenting with acute abdomen: a case report.

Cecal duplication cyst is a rare congenital malformation with a few reported adult cases. We present a 23-year-old man who presented with low-grade fever, constipation, and right lower quadrant pain for three days. An abdominal computed tomography scan showed a cystic mass of 8.

Early Postoperative Complications of Gastrointestinal Surgery and Its Associated Factors in Yemeni Patients Treated in a Teaching Hospital: A Retrospective Monocentric Study.

Background Postoperative complications (POCs) are significant concerns to surgeons because of their possible fatality or long-term disabilities. This study aimed to investigate the early POCs of gastrointestinal surgery and its associated factors in Yemeni patients treated in a teaching hospital in Sana'a University referral hospital. Method A retrospective cross-sectional study from June 2016 to June 2020 was conducted at Al-Kuwait Teaching Hospital, Sana'a University, Yemen.

Assessment of diagnostic techniques of urinary tuberculosis.

Early diagnosis of active tuberculosis remains an elusive challenge. In addition, one third of the world's population is latently infected with Mycobacterium tuberculosis (Mtb) and up to 10% of infected individuals develop tuberculosis (TB) in their lifetime. In this investigation, the incidence of urinary tuberculosis among renal patients was studied.

Homozygous deletion of the FHIT gene, p21WAF1 protein expression and apoptosis in bilharzial bladder cancer.

The FHIT gene alterations may occur as early consequences for the urinary bladder cancer. The present study aimed to identify and analyze the role of homozygous deletion (HZD) and transcriptional alterations of fragile histidine triad (FHIT) gene in the development and progression of bilharzial bladder cancer in Egyptian patients. The possible associations between FHIT abnormalities and some clinical variables that have prognostic impact in bilharzial bladder cancer patients were determined.

Speciation of europium (III) surface species on monocrystalline alumina using time-resolved laser-induced fluorescence-scanning near-field optical microscopy.

The aim of this work was to perform highly localized spectroscopic surface measurements by combining time-resolved laser spectroscopy and scanning near-field optical microscopy. The final purpose of that was to study surface sorption at the molecular level of trivalent ions in the framework of nuclear waste disposal assessment. Time-resolved laser spectroscopy presents the advantages of being selective, sensitive, and noninvasive and scanning near-field optical microscopy is a promising technique for high resolution surface speciation.

Investigation of the mixing efficiency of a chaotic micromixer using thermal lens spectrometry.

This work investigates the efficiency of a chaotic micromixer using thermal lens spectrometry. The outlet of the mixing device was connected to a thermal lens detection head integrating the probe beam optical fibers and the sample capillary. The chaotic micromixer consisted of a Y-shaped poly(dimethylsiloxane) (PDMS) microchip in which ribbed herringbone microstructures were etched on the floor of the main channel.

Pulsed-laser crossed-beam thermal lens spectrometry for detection in a microchannel: influence of the size of the excitation beam waist.

Crossed-beam thermal lens spectrometry is especially designed for the detection of very small samples in capillary tubes and more generally in microfluidic devices. In this work, the effect of the size of the excitation beam with respect to the size of the sample microchannel has been investigated. Although the signal is inversely proportional to the size of the excitation waist into the sample, the use of large waists may provide greater sensitivities when short-pulse excitation lasers are used and allows easier optimization of the optical design.

Photothermal spectrometry for detection in miniaturized systems: relevant features, strategies and recent applications.

There is a growing interest in using miniaturized analytical devices because they allow to execute the different steps of an analytical process within very short times and with drastic reduction in the amounts of solvents, reagents and samples. As for capillary electrophoresis, these systems require detectors which are sensitive, versatile and adaptable to very small detection volumes. In this respect, photothermal spectrometry which is complementary to fluorescence seems to be a promising detection method.