Influence pressure and size particle to extraction by CO2

Supercritical fluid extraction (SFE) is an efficient extraction technique for the separation of various organic compounds from herbs, or more generally, from plant materials. These proporties of SFE make the products more advantageous in the field of foods, pharmaceuticals, and cosmetics. The aim of this study was to investigate the effect of pressure and particle size on the extraction yield and the quality of the extracts

Application of multi-criteria assessment in evaluation of motor vehicles\u27 environmental performances

Briga o zaštiti okoliša je bitan element i obveza u suvremenoj automobilskoj industriji. U ovom je radu predstavljen prikaz vrednovanja ekoloških performansi motornih vozila primjenom alata višekriterijskog ocjenjivanja. Prvi dio rada opisuje višekriterijski problem i izbor kriterija za vrednovanje ekoloških performansi motornih vozila. U drugom dijelu rada je opisana primjena višekriterijskog ocjenjivanja primjenom dva pristupa – VK Softvera i metode kompromisnog programiranja (CP), a dobiveni rezultati su uspoređeni i raspravljeni.Concern for environment is an important element and obligation in contemporary automobile manufacturing. This paper presents an approach to assess environmental performances of motor vehicles by the application of multi-criteria assessment tools. Within the first part of the paper the multi-criteria problem is presented, with special emphasis on selection of criteria for assessment of passenger vehicles\u27 environmental performances. The second part of the paper describes the application of a multi-criteria assessment according to two approaches – VK Software and Compromise Programming (CP) method. The obtained results are compared and discussed

Reducing the environmental impact of surgery on a global scale: systematic review and co-prioritization with healthcare workers in 132 countries

Abstract Background Healthcare cannot achieve net-zero carbon without addressing operating theatres. The aim of this study was to prioritize feasible interventions to reduce the environmental impact of operating theatres. Methods This study adopted a four-phase Delphi consensus co-prioritization methodology. In phase 1, a systematic review of published interventions and global consultation of perioperative healthcare professionals were used to longlist interventions. In phase 2, iterative thematic analysis consolidated comparable interventions into a shortlist. In phase 3, the shortlist was co-prioritized based on patient and clinician views on acceptability, feasibility, and safety. In phase 4, ranked lists of interventions were presented by their relevance to high-income countries and low–middle-income countries. Results In phase 1, 43 interventions were identified, which had low uptake in practice according to 3042 professionals globally. In phase 2, a shortlist of 15 intervention domains was generated. In phase 3, interventions were deemed acceptable for more than 90 per cent of patients except for reducing general anaesthesia (84 per cent) and re-sterilization of ‘single-use’ consumables (86 per cent). In phase 4, the top three shortlisted interventions for high-income countries were: introducing recycling; reducing use of anaesthetic gases; and appropriate clinical waste processing. In phase 4, the top three shortlisted interventions for low–middle-income countries were: introducing reusable surgical devices; reducing use of consumables; and reducing the use of general anaesthesia. Conclusion This is a step toward environmentally sustainable operating environments with actionable interventions applicable to both high– and low–middle–income countries

Lymphangioma of the Small Intestine Case Report and Review of the Literature

Lymphangioma usually occurs in children and usually involves the skin. Mesenteric lymphangiomas are extremely rare in adults (1,2,3). Lymphangioma of the small-bowel mesentery is rare, representing less than 1% of all lymphangiomas (4)

Eco-design of fixtures based on life cycle and cost assessment

© 2019 DAAAM International Vienna. All rights reserved. The paper presents the new model for eco-design of fixtures based on life cycle and cost assessment. Four fixture types with different mechanical and physical properties as well as different manufacturing costs have been evaluated. The life cycle results show that the environmental impact is closely related to the mass of steel needed for fixture manufacture. On the other hand, the fixture with the largest environmental impact had the smallest total fixture cost and vice versa. The results show that it is possible to implement environmental and cost analysis in fixture design process and to enable comparative analysis of fixture constructions by three standpoints, technical, environmental and economic

Successful Embolization of Posterior Inferior Pancreaticoduodenal Artery Pseudoaneurysm on the Grounds of Chronic Pancreatitis—Case Report and Literature Review

Pancreatic pseudoaneurysm is a rare but life-threatening clinical entity. In this paper, we present a case of a 74-year-old man, who was admitted to our clinic with a diagnosis of an acute on chronic pancreatitis complicated by walled-off-pancreatic-necrosis, with subsequent development of peripancreatic pseudoaneurysm. After initial conservative management, the patient recovered and was discharged from the hospital. However, he soon returned feeling anxious due to a pulsatile abdominal mass. Abdominal Color–Doppler examination, CT scan, and angiography revealed large pancreatic necrotic collection in the total size of 9 cm, with centrally enhancing area of 3.5 cm that corresponded to pseudoaneurysm originating from the posterior pancreaticoduodenal vascular arcade. Considering the size, location of the pseudoaneurysm, feeding vessel, and poor general patients condition, we opted for minimally invasive treatment. Pseudoaneurysm was successfully managed by endovascular coil embolization, i.e., “sandwich technique”

Isolated Splenic Metastasis of Primary Lung Cancer Presented as Metachronous Oligometastatic Disease—A Case Report

Modern oncology practice and new antitumor drugs prolonged disease-free intervals in patients with lung cancer. Patients with distant metastatic disease are treated only with palliative intent. The International Association for the Study of Lung Cancer, in the 8th edition of the TNM classification, for the first time includes oligometastatic disease as a clinical state that describes the patients with distant metastasis, limited in number and organ sites, who may have more indolent biology. In this paper, we present a case of a 56-year-old man who was admitted to our clinic regarding a radiologically diagnosed splenic lesion of uncertain nature, and who underwent a left upper lobectomy for primary lung cancer 12 years before. After a detailed radiological diagnosis, it was concluded that it is highly suspected metastatic lesion of the spleen and the patient underwent a splenectomy. While no definitive protocols exist on the management of isolated splenic metastasis from lung cancer, splenectomy, in suitable patients, with reasonable survival expectations, improves patient disease-free survival and can prevent potentially life-threatening complications, such as splenic rupture. 18F-FDG PET has very high sensitivity and specificity for differentiating benign and malignant splenic lesions especially in patients who are in the follow up protocol due to primary malignancy

Splenectomy for Visceral Leishmaniasis Out of an Endemic Region: A Case Report and Literature Review

Visceral leishmaniasis (also known as kala-azar) is characterized by fever, weight loss, swelling of the spleen and liver, and pancytopenia. If it is not treated, the fatality rate in developing countries can be as high as 100% within 2 years. In a high risk situation for perioperative bleeding due to severe thrombocytopenia/coagulopathy, we present a rare challenge for urgent splenectomy in a patient with previously undiagnosed visceral leishmaniasis. A histologic examination of the spleen revealed a visceral leishmaniasis, and the patient was successfully treated with amphotericin B

Laparoscopic Splenectomy in the Treatment of Hematological Diseases of the Spleen

Methods of surgical treatment of hematological diseases of the spleen have changed significantly in the past decade. The introduction of laparoscopic and minimally invasiveprocedures as standard for solving a significant number of conditions in abdominal surgery, has led surgeons toincreasingly use laparoscopic surgery of the spleen. However, some unique anatomical characteristics of the spleen can lead to limitation in the application of laparoscopy. In this study, we investigated the application of laparoscopic splenectomy in the treatment of haematological disorders of the spleen, intraoperative and postoperative characteristics, the presentation ofoperational technique and the evaluation of the success of this procedure. In the treatment of benign hematological diseases, the effectiveness and efficiency of laparoscopy has been proven. The speculation of medical professionals is that laparoscopic splenectomy is an equal, if not the superior way of treating benign hematological diseases of the spleen in relation to the open procedure, and that there is a chance that laparoscopy might completely replace the classical surgery in most of it’s indications