The purpose of the research is to develop a university system of healthy nutrition, which determines the preservation and strengthening of students’ health by optimizing their nutrition in educational institutions, using an innovative menu and «high cuisine» techniques to organize a high-class student cafe. The used terminology, graphic materials and tools comply with GOST R ISO 21500-2014; UNIDO business planning methodology; methodology for developing EBRD business strategy. The peculiarities of eating behavior of students of Maykop State Technological University and the Adygh State University of the Republic of Adygea have been investigated. Peculiarities of students’ perception of the quality of services of public catering enterprises, an assessment of the structure of expenses for the acquisition of various dishes at catering enterprises, an assessment of the impact of the social status of students on the structure of consumption of products of public catering enterprises, etc. have been considered. Particular attention is paid to identifying nutritional problems existing among students in the region. On the basis of the research the directions for improving healthy nutrition of students have been identified. A university system of healthy nutrition for students has been developed, based on the philosophy of youth taste and preferences: food behavior and reasonable quality: balance in basic substances, with specified beneficial properties, a recommended diet consisting only of healthy food products. The developed system of healthy nutrition will ensure the formation and development of food culture: aesthetic taste for food and its consumption in order to reorient young people from fast and unhealthy nutrition to a healthy diet, using «high cuisine» techniques (careful preparation and careful presentation of dishes / products designed to form a sustainable high motivation for healthy eating, which persists throughout the rest of life, the quality of which can be predicted with predominant indicators. Increasing the efficiency of a public catering enterprise for students will ensure the use of the procurement automation system; takeaway cooking and delivery service; QR-code is a progressive way to get accurate on-line statistics; electronic menu.
Relevance. Formation of pan-resistance microorganisms, microbial biofilms on implants and recurrent infection rate stimulate the search for optimal prosthesis materials for treatment of periprosthetic infection (PJI). Purpose of the study — to compare the efficiency of two stage PJI treatment with simultaneous implantation of a spacer in combination with implants with silver-doped coatings based on two-dimensionally ordered linear chain carbon (TDOLCC+Ag) during the first stage and the conventional revision with a spacer only. Materials and methods. The study included 72 patients with PJI of the knee (n = 42) and hip (n = 30) joints. Control group (conventional revision) consisted of 35 patients and the main group (TDOLCC+Ag coated implant incorporated in a spacer) — 37 patients. Mean age of the patients was 61 years. Temporary components were replaced by the final components during revision at the second stage. Evaluation methods: clinical, X-ray, laboratory, microbiological and follow up history. Results. Inflammation markers and synovial fluid cytosis in the groups at the first revision stage featured equal high base values. During the second stage leucocyte count and cytosis reached normal values, ESR decreased twofold in both groups, CRP decreased five times in the main group. Throat and nasal swabs demonstrated growth of Staphylococcus aureus at 24,3-32,4% in both groups. The leading inducer of PJI was staphylococcal flora with MRSA share of 7,1% and MRSE — from 62,5 to 66,7%. End-points of evaluating treatment outcomes were revision spacer implantation at the second stage of sanation and recurrent PJI. Control group featured implantation of more revision spacers (5) as compared to the main group (1) after the treatment. Two recurrent PJIs were reported for the control group in 11 months while no recurrent infection was reported for the main group. Conclusion. The study demonstrated statistically significant improvement in the outcomes of PJI treatment by spacers with implants coated by TDOLCC+Ag as compared to the conventional treatment option.
Background. Arthroplasty is the most common surgical treatment for patients with end-stage knee arthrosis. From 2 to 7% of those operated on are patients with rheumatoid arthritis. The inflammatory process in the joint, low rehabilitation potential, long-term therapy with hormonal and genetically engineered biological agents, poor bone quality form a high risk of periprosthetic infection. In this group of patients, the saprophytic microorganism Candida albicans more often forms biofilms on endoprosthesis components, which presents difficulties in the treatment of periprosthetic infection.Aims: demonstration of a clinical case and rationale for the treatment of periprosthetic knee infection caused by Candida albicans using a revision implant with an anti-biofilm coating.Materials and methods. A clinical case presents the results of examination and treatment of a 46-year-old patient with secondary gonarthrosis on the background of rheumatoid arthritis with developed periprosthetic infection are evaluated. Surgical treatment was carried out by two-stage sanitation, using as part of the spacer an implant coated with silver-doped two-dimensionally ordered linear-chain carbon, against the background of etiotropic intravenous treatment with fluconazole.Results. The likely cause of the development of a fungal periprosthetic infection is a decrease in the activity of the immune system against the background of taking cytostatics and hormonal drugs in combination with the frequent uncontrolled use of antibacterial drugs. The choice of surgical tactics in favor of a two-stage revision is justified by the isolation of a «difficult to treat» Candida albicans. Timely diagnosis and the chosen method of treatment in combination allowed to no recurrence during the observation period of 12 months after the 2nd stage of revision.Conclusions. The results demonstrate the effectiveness of a spacer coated with silver-doped two-dimensionally ordered linear-chain carbon at the stage of sanitation for the treatment of periprosthetic infection caused by the «difficult to treat» Candida albicans.
The aim of the research is the scientific justification, development and implementation of physical methods for the protection of culinary products from microbiological damage. The effect of the electromagnetic field of extremely low frequency (EMF ELF) on the expiration date of vegetable salads was studied. The effective processing parameters of the EMF ELF treatment of vegetable vinaigrette postponed its expiration date, providing high quality and safety of dishes throughout the storage period.
The authors theoretically substantiated and experimentally confirmed the feasibility of using high-molecular acid-soluble chitosan (HAC), which inhibits the growth of microbial flora in the production of salads, to extend the expiration date of salads and ensure the quality and safety indicators of products during storage. The effect of «cold pasteurization» of HAC on the microflora of salads was established. Regression models were obtained that adequately describe the effect of HAC on the microbiological and organoleptic indicators of salads. A method for multi-criteria optimization of the technological mode of production of salads using chitosan according to microbiological and organoleptic indicators to extend their expiration date is proposed. A method for the introduction of HAC in the production of salads in the composition of the dressing – in the form of a 1 % solution in 3 % acetic acid. Salad dressing recipe using HAC was developed. The efficiency of the production technology of salads with the use of HAC was confirmed, which allows one to extend their expiration date at a storage temperature of (4 ± 2) °C from 12 to 78 h.
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