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Abstract

Antiseptic agents used in the postoperative period affect the functions of many tissues in the body, including the testicles. In this study, the effect of dressings administered with different antiseptic agents on testicular functions in rats that underwent abdominal incisions was investigated. A total of 48 Sprague-Dawley rats were used in the study. Each of the rats in the study group underwent a 4 cm-long skin and muscle operation. The incision was then stitched immediately. Antiseptics, hemp seed oil, hemp leaf oil, and cannabidiol oil were then administered to the rats for 10 days to provide antisepsis. The rats were sacrificed 24 hours after the last administration, and testicular tissues were removed. Testicular tissues were used for histopathological examination and biochemical analysis, while epididymal tissue was used for sperm analysis. According to the results, the MDA level in the antiseptic-administered group was higher than in the other experimental groups (p<0.05). Levels of SOD, CAT activities, and GSH content were found to be lower in the antiseptic group than in the hemp seed oil, hemp leaf oil, and cannabidiol oil groups (p<0.05). In testicular histology, the SEED group had the highest Johnsen score, and the antiseptic group had the lowest score (p<0.05). While JAK, P-JAK2, STAT3, PSTAT3, and NF-κB were generally higher in the antiseptic group compared to the other groups, they were lower in the SEED group. Additionally, sperm total motility rate and epididymal sperm density were highest in the SEED group (p<0.05). As a result, it was determined that cannabidiol seed oil had a good effect on testicular histology and sperm quality in male rats during the wound healing process.
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Authors and Affiliations

G.D. Akarsu
1 2
E. Erbaş
3
S.A. Akarsu
4

  1. Division of Molecular Medicine, Laboratory for Advanced Genomics, Institut Ruđer Bošković, Zagreb, Croatia
  2. Department of Pharmacy Services, Vocational School of Health Servıces, Yozgat Bozok Unıversıty, Atatürk Road 7.Km, Bilal Şahin West Campus 66100, Yozgat, Turkey
  3. Department of Histology and Embryology, Faculty of Veterinary Medicine, Ataturk University, Yakutiye 25030, Erzurum, Turkey
  4. Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, Yakutiye 25030, Ataturk University, Erzurum, Turkey
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Abstract

The following work analyzes the effect of the composition of a hemp-lime composite on key mechanical and physical properties. The article contains results from testing the compressive strength, vapor permeability, and thermal conductivity of the composite, depending on the composition of the mix. The mixes differed from each other in binder composition and in the proportion of binder to hemp shives. The obtained results were compared with the results from other scientific literature. Based on this, conclusions were drawn that the binder composition is of secondary importance for the analyzed physical and mechanical properties of the hemp-lime composite. The main property that determines the values of the thermal conductivity coefficient as well as the compression strength is the density of the material, which depends on the proportion of binder to aggregate and the level of compaction of the mix. The value of the diffusion resistance coefficient of the analyzed material was very low regardless of the composition of the composite.

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Authors and Affiliations

Wojciech Piątkiewicz
Piotr Narloch
Barbara Pietruszka
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Abstract

The present paper presents results of a study on hemp-lime composite – a novel building material which is gaining attention thanks to its pro-ecological values, as well as interesting hygrothermal characteristics. The thermal conductivity and vapour permeability tests were performed on composites which varied in terms of composition and density as a result of use of various binders, different proportions of ingredients in a mixture and different compaction level during manufacturing with the use of the tamping method. The results obtained, indicating low thermal conductivity and very high vapor permeability, were tabulated with results of compressive strength obtained in the previous study on the same types of composites. The conclusions emphasise supreme importance of apparent density on properties of material, rather than binder composition – which exerts a significant effect only on compressive strength. The results of the performed tests were applied for determination of external walls’ construction, which were subjected to analysis of risk of interstitial water vapor condensation according to Glaser method. For locations in all Polish climatic zones, no condensation or only a small amount thereof, in which case it does not accumulate in subsequent years, was found.
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Authors and Affiliations

Michał Gołębiewski
1
Barbara Pietruszka
2

  1. Warsaw University of Technology, Faculty of Architecture, ul. Koszykowa 55, 00-659 Warsaw, Poland
  2. Building Research Institute, Department of Thermal Physics, Acoustics and Environment, ul. Ksawerów 21, 00-656 Warsaw, Poland
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Abstract

This work presents some properties of Sunn-hemp mosaic tobamovirus (SHMV) orginally isolated from bean plants. Virus infected host range and induced symptoms that were typical for SHMV Following plant species distinguished SHMV from tobacco mosaic tobamovirus (TMVJ: Phaseolus vulgaris, Pisum sativum, Lupinus albus and Lycopersicon esculentum. In immunobloning the serum against SHMV did not react with TMV and Tomato mosaic tobamovirus (ToMV). The electrophoretical patterns of whole virions and capsid proteins were characteristic for SHMV and different from that of TMV and ToM.
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Authors and Affiliations

Henryk Pospieszny
Magdalena Palczewska
Natasza Borodynko

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