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Elçin Demirhan,Büşra Gürses,Bengi Ece Yalçin,Dilek Kiliç Apar,Belma Özbek 한국식품과학회 2013 Food Science and Biotechnology Vol.22 No.4
The aim of the present study was to investigate the effects of additions of various vitamins (B1, B6, B9, B12,and C) and minerals (CuSO4·H2O, MnSO4·H2O, and Na3PO4·12 H2O) on the propagation of kefir grains. The activated kefir grains were inoculated into very low fat (0.1%) cows’ milk under constant temperature (25oC) and impeller speed (100 rpm) for a propagation time of 24 h. After evaluation of the experimental data, the most influential mineral addition providing 39% increase of kefir grain biomass was found to be Na3PO4·12 H2O with a concentration of 0.30 g phosphate (PO43−) ion/L. At this optimal condition, a model was also derived for the kefir grain biomass concentration representing pH dependence. This study demonstrated the basis for further research in the direction of kefir grain biomass growth considering the effect of additions of vitamins and minerals to other researchers working in the same field and to dairy industry as well.
First extensor compartment morphology and clinical significance: a cadaver series study
Osman Coşkun,Fatma Ok,Büşra Şahin,İlke Ali Gürses 대한해부학회 2023 Anatomy & Cell Biology Vol.56 No.3
The first extensor compartment of the wrist is a distinctly variable anatomical area. Anatomical variations in thisregion contribute to the pathophysiology and treatment failure of de Quervain’s disease, which is a kind of tenosynovitis that develops in the first extensor compartment of the wrist. We aim to describe the first extensor compartment morphology, to evaluate the septum frequency, location of the septum, and the number of tendons of abductor pollicis longus (APL) and extensor pollicis brevis muscles (EPB). First extensor compartment of 87 wrists of 45 cadavers were dissected. The presence or absence of septum and number of tendon slips of APL and EPB revealed. The proximal and distal widths of the compartments were measured. Septums were detected in 60.9% (n=53) of the wrists. Incomplete (distal) and complete (proximal) septa were present in 35.6% (n=31) and 25.3% (n=22) of the cases. Only 26.4% of the wrists had a single slip of APL tendon. The Remaining had multiple slips. The median inner width of the proximal and distal compartments in all wrists were calculated as in the order of 9.11±1.14 mm and 8.55±1.12 mm. We believe that understanding the anatomy of the first extensor compartment in the Turkish population would be helpful to surgeons, radiologists, and physiotherapists to diagnose and manage de Quervain’s disease.