Bulgaroperla mirabilis gen. n., sp. n.: eine Steinfliegengattung von der Balkanhalbinsel (Plecoptera).

In diesem Beitrag wird die neue Steinfliegengattung und -art Bulgaroperla niira-bilis gen. nov., sp. n. beschrieben. Nach den morphologischen Merkmalen gehört diese neue, aus Bulgarien (Stara planina, Sliwen) bekannte Art in die Subfamilie Isoperlinae Frison. Bulgaroperla bildet ein Bindeglied (siehe die Flügelnervatur Fig. 1-2) zwischen den Gattungen der Subfamilien Isogeninae Ricker und Isoperlinae Frison. Kurz wird auch die Verbreitung der Perlodiden in Europa behandelt. Eine Bestimmungstabelle für die Gattungen (lang- und kurzflüglige Arten) wird angefügt.Nomenklatorische Handlungenmirabilis Raušer, 1966 (Bulgaroperla), spec. n.Bulgaroperla Raušer, 1966 (Perlodidae), gen. n.In this paper the new genus and species Bulgaroperla mirabilis gen. nov., sp. n. is described. According to its morphological features this new species known from Bulgaria (Stara planina, Sliven), belongs to the subfamily Isoperlinae Frison. The genus forms a link (see the wing nervation figs 1-2) between the genera of the subfamilies Isogeninae Ricker and Isoperlinae Frison. Also the distribution of the Perlodidae in Europe is dealt with. Finally a determination key for the genera (short-winged and long-Avinged species) is submitted.Nomenclatural Actsmirabilis Raušer, 1966 (Bulgaroperla), spec. n.Bulgaroperla Raušer, 1966 (Perlodidae), gen. n

A Proposal for the Optimization of Storage Areas in a Selected Enterprise

The current tough competition prevalent within the market economy is forcing business entities to achieve efficiency in their processes. This also applies to the transfer of goods from point A to point B, which is the subject of transportation. This process is influenced by many factors. It is necessary to not only consider the time,i.e. the fact that the required goods must be delivered in time, but it is also essential to take the financial aspect linked into account, for example, with the cost items such as fuel, salaries etc. These and many other factors also influence the movement of goods within a warehouse, in which the business entity must maximize the space required for the storage of the goods, while minimizing the time necessary for the storage, and equally while optimizing the cost. The aim of this paper follows from the above, which is based on the facts of the course of storage operations in the chosen enterprise,to design an optimal layout of the storage area which should increase the efficiency of the logistical operations

Mesenchymal Stem Cells in Bone Tissue Regeneration and Application to Bone Healing

This synoptic study gives a concise overview of current knowledge of bone healing, the role of mesenchymal stem cells in bone tissue regeneration and contemporary possibilities of supporting regeneration of damaged bone. Attention of research concerning the healing of fractures with extensive loss of bone tissue following trauma, the treatment of belatedly healing or non-healing fractures or the healing of segmental bone defects following tumour resection, is focused on development of three-dimensional scaffolds planted with mesenchymal stem cells that might be used for reconstruction of such large bone lesions. Presented are possibilities of transplantation of mesenchymal stem cells combined with biomaterials into bone defects, including the results of our own experimental studies dealing with the use of stem cells in the treatment of damaged tissues of the musculoskeletal system in animal models

New semi-spherical radiofrequency energy device for liver resection: an experimental study in pigs

The aim of this experimental study was to verify a new semi-spherical surgical tool for bipolar radiofrequency liver ablation, which can solve some of the disadvantages of the commonly used device, such as long duration of ablation. A total of 12 pigs which were randomly divided into two groups were used. Each pig underwent resection of the two liver lobes. In group 1, pigs were treated with the commonly used device; in group 2 the newly developed semispherical device was used. During surgery and the post-surgical period, many categories were observed and later analyzed. The blood count and biochemistry were monitored on days 0, 14 and 30 from the operation. On day 14 since the liver resection, pigs underwent diagnostic laparoscopy to evaluate their condition focusing on the site of the liver lobe resection. On day 30 after operation, all pigs were euthanized and subjected to histopathological examination. Histopathological evaluation of thermal changes at the resection margin showed strong thermal alteration in both groups. Data between both groups were compared using median test for continuous variables and Fisher’s exact test for categorical variables. Statistical analyses were performed with IBM SPSS software version 18.0. Statistical analysis of collected data did not prove any significant (P < 0.05) differences between the commonly used device and the newly designed surgical tool.Web of Science84439

Changes of Vital Parameters after Administration of Butorphanol during Tiletamine-Zolazepam-Ketamine-Xylazine Anaesthesia for Joint Surgery in Miniature Pigs

The study compares the effects of butorphanol in pigs undergoing joint surgery in tiletamine-zolazepam-ketamine-xylazine (TKX) anaesthesia. A total of 12 pigs were divided into 2 groups by 6 animals - BUT (anaesthetized with TKX combination and butorphanol) and CON (control group - anaesthetized with TKX combination only). All pigs were sedated with a mix of tiletamin-zolazepam-ketamin-xylazin, put into total anaesthesia using propofol, and connected to an anaesthesiology unit (O2-Air). For 40 min we logged the heart rate (HR), respiratory rate (RR), mean arterial pressure (MAP), haemoglobin saturation by oxygen (SpO2) and end-tidal CO2 concentration (ETCO2) values. Ten minutes after connecting to the devices, the pigs in the BUT group were intravenously administered butorphanol (0.2 mg/kg) in the total volume of 2 ml, or physiological saline in the same volume. The pigs in the BUT group had a lower (p th, 10th and 25th min, and a lower RR in the 10th, 15th and 20th min. MAP, ETCO2 and SpO2 values did not differ substantially. Butorphanol can thus be identified as a suitable analgesic TKX supplement to anaesthesia of miniature pigs with minimum effect on vital functions