Midstream and catheter stream specimens of urine from inpatients and outpatients at King
Abdulaziz University Hospital in Jeddah, Saudi Arabia, were collected over a period of 12 …

Ahmed T. Eltahawy, MD, PhD, Asif A. Jiman-Fatani, MD, PhD, Maha M. Al-Alawi, MD. ibrio
Cholerae (V. cholerae) strains are usually divided into O1 and non-O1 serogroups according …

Much has changed in the treatment of patients with fever and neutropenia, including the
patterns of microbial flora and drug resistance, and the drugs used. Gram-positive organisms …

The presence of Helicobacter pylori (H.-pylori) was examined in 491 sequential patients,
complaining mainly of epigastric pain, by three biopsy-based methods (rapid urease, histology, …

Chemical investigation of the Red Sea soft coral Sarcophyton auritum led to the isolation
and structure elucidation of a new ceramide N-((2S,3R,4E,6E)-1,3-dihydroxyhenicosa-4,6-dien-…

… The 1 H NMR spectrum, showed four tertiary methyl singlets, one of them being connected
to an sp 3 carbon δ H 1.29 (s) assigned to H 3 -19, together with a triplet at δ H 2.68 (t) …

Bioactivity-guided isolation supported by LC-HRESIMS metabolic profiling led to the isolation
of two new compounds, a ceramide, stylissamide A (1), and a cerebroside, stylissoside A (2…

Chemical investigation of the methanol extract of the Red Sea sponge Echinoclathria sp.,
led to the isolation of two pure compounds, one new sterol, named as (echinosterol), …

The chemical investigation of the Red Sea sponge Negombata sp. led to isolation and
structure elucidation of five new ceramides N ((2S,3R,4E,8E)-1,3-dihydroxyhexacosa-4,8-dien-2-yl…

Encouraged by new drug developments, the present research was investigated on extracts
of Red Sea marine resources all from Egypt. Extracts from three sponges namely …