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ABSTRACT Background Robotic-assisted radical cystectomy (RARC) with intracorporeal urinary diversion (ICUD) is associated with significant morbidity and mortality. We present an alternative technique that preserves the complete mesenteric vascularization during the isolation of the intestinal segment used in ICUD, including distal vessels. This approach aims to minimize the risk of ischemia in both the ileal anastomosis and the isolated loop at the diversion site. Methods This cohort study included 31 patients, both male and female, who underwent RARC with ICUD from February 2018 to November 2023, performed by a single surgeon. Intraoperative and postoperative complications data were retrieved for analysis, employing our proposed mesentery-sparing technique in all cases. The primary endpoint was the incidence of intraoperative and postoperative complications directly attributable to the mesentery-sparing approach in ICUD. Secondary endpoints included other postoperative variables not directly related to mesentery preservation, such as the incidence of postoperative ileus requiring parenteral nutrition and the duration of hospitalization. Results None of the patients experienced intraoperative or postoperative complications directly related to mesentery-sparing, such as intestinal fistulae or internal hernias. The median duration of hospitalization was 6 days, and postoperative ileus necessitating total parenteral nutrition occurred in 19% of the patients. Minor complications (Clavien-Dindo grades I-II) accounted for 27.6% of the cases and major complications (grades III-V) accounted for 20.6%. Conclusion The mesentery-sparing technique outlined herein offers an alternative method for preserving the vascularization of intestinal segments and reducing the risk of intestinal complications in ICUD during RARC.

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BACKGROUND: Robotic-assisted radical cystectomy (RARC) with intracorporeal urinary diversion (ICUD) is associated with significant morbidity and mortality. We present an alternative technique that preserves the complete mesenteric vascularization during the isolation of the intestinal segment used in ICUD, including distal vessels. This approach aims to minimize the risk of ischemia in both the ileal anastomosis and the isolated loop at the diversion site. METHODS: This cohort study included 31 patients, both male and female, who underwent RARC with ICUD from February 2018 to November 2023, performed by a single surgeon. Intraoperative and postoperative complications data were retrieved for analysis, employing our proposed mesentery-sparing technique in all cases. The primary endpoint was the incidence of intraoperative and postoperative complications directly attributable to the mesentery-sparing approach in ICUD. Secondary endpoints included other postoperative variables not directly related to mesentery preservation, such as the incidence of postoperative ileus requiring parenteral nutrition and the duration of hospitalization. RESULTS: None of the patients experienced intraoperative or postoperative complications directly related to mesentery-sparing, such as intestinal fistulae or internal hernias. The median duration of hospitalization was 6 days, and postoperative ileus necessitating total parenteral nutrition occurred in 19% of the patients. Minor complications (Clavien-Dindo grades I-II) accounted for 27.6% of the cases and major complications (grades III-V) accounted for 20.6%. CONCLUSION: The mesentery-sparing technique outlined herein offers an alternative method for preserving the vascularization of intestinal segments and reducing the risk of intestinal complications in ICUD during RARC.

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BACKGROUND: Robot-assisted gastrectomy (RG) has been shown to be safe and feasible in the treatment of gastric cancer (GC). However, it is unclear whether RG is equivalent to laparoscopic gastrectomy (LG), especially in the Western world. Our objective was to compare the outcomes of RG and LG in GC patients. METHODS: We reviewed all gastric adenocarcinoma patients who underwent curative gastrectomy by minimally invasive approach in our institution from 2009 to 2022. Propensity score matching (PSM) analysis was conducted to reduce selection bias. DaVinci Si platform was used for RG. RESULTS: A total of 156 patients were eligible for inclusion (48 RG and 108 LG). Total gastrectomy was performed in 21.3% and 25% of cases in LG and RG, respectively. The frequency of stage pTNM II/III was 48.1%, and 54.2% in the LG and RG groups (p = 0.488). After PSM, 48 patients were matched in each group. LG and RG had a similar number of dissected lymph nodes (p = 0.759), operative time (p = 0.421), and hospital stay (p = 0.353). Blood loss was lower in the RG group (p = 0.042). The major postoperative complications rate was 16.7% for LG and 6.2% for RG (p = 0.109). The 30-day mortality rate was 2.1% and 0% for LG and RG, respectively (p = 1.0). There was no significant difference between the LG and RG groups for disease-free survival (79.6% vs. 61.2%, respectively; p = 0.155) and overall survival (75.9% vs. 65.7%, respectively; p = 0.422). CONCLUSION: RG had similar surgical and long-term outcomes compared to LG, with less blood loss observed in RG.

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Larrea nitida Cav. (Zygophyllaceae) is a plant endemic to Argentina and Chile, and its extract has been studied over the last years due to the presence of antimicrobial agents that can be used to control the growth of some pathogens in agriculture. However, the extract is highly hydrophobic, which strongly affects its fungicidal activity in aqueous media. In this sense, the solid dispersion technique was used to produce L. nitida extract nanodispersions with polyethylene glycol (PLE) and with polyethylene glycol and zinc acetate (PZLE). In order to further evaluate the activity of the extract in PLE and PZLE, blank nanodispersions containing only polyethylene glycol (PEG) and zinc acetate (PZ) without the addition of the extract were also produced. The fungicidal activity of the water-soluble nanoparticles was evaluated at different concentrations (0.037-0.110 g.mL-1). In general, the nanoparticles were successfully produced on a nanometric size and presented a significant inhibitory activity on the growth of the pathogens Fusarium oxysporum and Fusarium verticillioides in aqueous media. Compared to PLE, PZLE presented increased fungistatic activity, possibly due to their increased solubility in water. Even though their application in agriculture should be further investigated, the nanodispersions present great potential to be applied as a green biotechnological tool.

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BACKGROUND: There is a tendency of prompted global health systems to reduce the length of hospital stay without compromising patient safety or satisfaction. We evaluated the safety and viability of early discharge in patients undergoing minimally invasive radical prostatectomy (MIRP), as well as patient satisfaction with this strategy. METHODS: This longitudinal prospective study included 72 patients who underwent MIRP for prostate cancer. Three groups were performed according to the day of hospital discharge following surgery: same day (G1), first day after (G2), and second day after (G3). Satisfaction, adverse events, and readmission were analyzed for each group. Associations between clinicopathologic variables and same-day discharge were analyzed by comparing data between G1 patients who did and did not achieve same-day discharge. RESULTS: 16.7% of patients were not discharged according to randomization (10 randomized to G1). 80% of G1 patients who did not achieve same-day discharge had Gleason scores of 3 + 4 or 4 + 3, which were observed in 35.7% of patients discharged on the same day (P < 0.05). Average prostate weight was significantly lower in patients who achieved same-day discharge than in those who did not (P < 0.01). Univariable logistic regression points to Gleason scores of 3 + 4 or 4 + 3 as the main factors associated with unsuccessful same-day discharge (P < 0.05). There were no significant differences in satisfaction scores. CONCLUSIONS: Same-day discharge was both safe and feasible and does not appear to affect satisfaction in a subset of patients with prostate cancer. Surgeons should consider the Gleason score when determining whether same-day discharge is appropriate.

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Nitrosyl ruthenium complexes are promising platforms for nitric oxide (NO) and nitroxyl (HNO) release, which exert their therapeutic application. In this context, we developed two polypyridinic compounds with the general formula cis-[Ru(NO)(bpy)2(L)]n+, where L is an imidazole derivative. These species were characterized by spectroscopic and electrochemical techniques, including XANES/EXAFS experiments, and further supported by DFT calculations. Interestingly, assays using selective probes evidenced that both complexes can release HNO on reaction with thiols. This finding was biologically validated by HIF-1α detection. The latter protein is related to angiogenesis and inflammation processes under hypoxic conditions, which is selectively destabilized by nitroxyl. These metal complexes also presented vasodilating properties using isolated rat aorta rings and demonstrated antioxidant properties in free radical scavenging experiments. Based on these results, the new nitrosyl ruthenium compounds showed promising characteristics as potential therapeutic agents for the treatment of cardiovascular conditions such as atherosclerosis, deserving further investigation.

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Bacterial cellulose (BC) is a biopolymer principally synthetized by strains of the genus Komagataeibacter. However, high costs and low production yield make large-scale application difficult. The aim of this work was to evaluate the effects of successive batch culture before fermentation on the ability to increase the capacity of bacterial cellulose biosynthesis by a low-producing strain. The Komagataeibacter hansenii strain ATCC 23,769 was initially cultivated in fermentation broth for two periods of 35 or 56 days under static conditions. At the end of each period of time, they were transferred to new broth to be cultivated again (new batch culture cycle) for 35 or 56 days and carried out in parallel with a 10-day fermentation to determine the quantity of BC produced. As a result, a greater increase was observed after the end of the second and third batch cultures of 56 days (increases of 137% and 187% in relation to the nonbatch cultured strain, respectively). The produced samples presented higher crystallinity and thermal properties but lower water holding capacity. Through this work, it was concluded that the longer the batch culture time was, the greater the increase in the capacity of cellulose biosynthesis, which also depended on the number of successive batch culture cycles carried out.

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A mancha de alternária é uma das principais doenças da canola,reportada nas regiões produtoras da oleaginosa. Objetivou-se investigar se o espaçamento de semeadura em canola combinado com a aplicação de fungicidas produz efeito sobre os danos causados pela mancha de Alternária e como estes se refletem sobre o rendimento da cultura. O híbrido estudado foi o 'Nuola 300' e o delineamento experimental utilizado foi o de blocos ao acaso, em esquema de parcelas subdivididas, com quatro repetições. Nas parcelas principais foram dispostos os espaçamentos entre linhas (17 cm e 50 cm) e, nas subparcelas as aplicações de fungicidas (T1 -testemunha sem fungicida; T2 -azoxistrobina + tebuconazol, no estádio B4;T3 -azoxistrobina + tebuconazol, em B4 epiraclostrobina + fluxapiroxade, em B4 + 15 dias; T4 -piraclostrobina + fluxapiroxade, no estádio B4 + 15 dias). Nas condições de condução desse experimento,na região de Erechim ­RS, houve controle da mancha dealternária em folhas e síliquas de canola com a aplicação dos fungicidas azoxistrobina + tebuconazol e piraclostrobina + fluxapiroxade, sendo que o melhor controle em síliquas foi obtido no espaçamento de 17 cm entre linhas. O tratamento com piraclostrobina + fluxapiroxadeno espaçamento de 50 cm entre linhas apresentou maior número de síliquas por plantas, bem como maior produtividade.(AU)

The Alternaria spot is one of the main canola's diseases and it's reported in all regions that producing this oleaginous, being transmitted by several ways. The aimof this study was to investigate whether sowing spacing in canola combined with the fungicides applications hasan effect on the damage caused by Alternaria leaf spot and how these are reflected on crop yield. The studied hybrid was 'Nuola 300', and the experimental design used was randomized blocks with a subdivided plot scheme, with four replications. In the mainplots, the row spacing (17 cm and 50 cm) was arranged, and in the subplots, the fungicides applications (T1 -control, without fungicide; T2 -azoxystrobin + tebuconazole, in stage B4; T3 -azoxystrobin + tebuconazole, in B4 and pyraclostrobin + fluxapyroxad, in B4 + 15 days; T4 -pyraclostrobin + fluxapyroxade, in stage B4 + 15 days). Under conditions in which the experiment was conducted, in the region of Erechim -Rio Grande do Sul, Brazil, there were control of Alternaria spot in canola leaves and siliques with the application ofthe fungicides azoxystrobin + tebuconazole and pyraclostrobin + fluxapyroxade, and the best control in siliques was obtained at 17 cm row spacing. The treatment with pyraclostrobin + fluxapyroxade in the 50 cm row spacing showed the highest number of siliques by plantsand the highest productivity.(AU)

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Resumo Introdução Exercícios e atividades físicas são um dos principais componentes no tratamento de pessoas com dores crônicas, sendo incentivados pelos profissionais da Atenção Primária à Saúde. Entretanto, sua adesão é frequentemente baixa. Objetivo Analisar a percepção dos participantes de grupos de dor crônica na Atenção Primária, sobre as barreiras e facilitadores para adesão à prática de exercícios. Metodologia Estudo qualitativo, descritivo, realizado através de entrevistas com 16 participantes de grupos de dor crônica ofertados por Unidades Básicas de Saúde no município de Florianópolis. Utilizou-se a Análise de conteúdo para interpretação dos dados. Resultados Foram verificados como facilitadores: resultados percebidos, acompanhamento profissional, prazer na atividade física e grupos de exercício como apoio social. Como barreiras foram observadas: exacerbação da dor, medo de lesão ou piora dos sintomas e condição financeira. O ambiente físico e as demandas e rotinas diárias encaixaram-se em ambos - barreiras e facilitadores. Conclusão Os resultados forneceram subsídios para que os profissionais da Atenção Primária possam planejar e desenvolver estratégias que assegurem o engajamento das pessoas com dor crônica em programas de exercícios e/ou atividade física.

Abstract Background Exercise and physical activity are main components in the treatment of people with chronic pain, being encouraged by professionals in Primary Health Care. However, their adherence is often low. Objective To analyze the participant's perception in chronic pain groups about barriers and facilitators for adherence to exercise. Methods Qualitative, descriptive study conducted through interviews with 16 participants in groups of chronic pain offered by Basic Health Units in the city of Florianópolis, Brazil. Content analysis was used to interpret the data. Results The facilitators were perceived results, professional monitoring, pleasure in physical activity and exercise groups as social support. As barriers: exacerbation of pain, fear of injury or worsening of symptoms and financial resources. The physical environment and the daily demands and routines fit into both - barriers and facilitators. Conclusion The results provided subsidies for Primary Care professionals to plan and develop strategies that ensure the engagement of people with chronic pain in exercise and/or physical activity programs.

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Early diagnosis is essential for the appropriate management of acute kidney injury (AKI). We evaluated the impact of an electronic AKI alert together with a care bundle on the progression and mortality of AKI. This was a single-center prospective study that included AKI patients aged ≥ 18 years, whereas those in palliative care, nephrology, and transplantation departments were excluded. An AKI alert was issued in electronic medical records and a care bundle was suggested. A series of classes were administered to the multidisciplinary teams by nephrologists, and a clinical pharmacist audited prescriptions. Patients were categorized into pre-alert and post-alert groups. The baseline characteristics were comparable between the pre-alert (n = 1613) and post-alert (n = 1561) groups. The 30-day mortality rate was 33.6% in the entire cohort and was lower in the post-alert group (30.5% vs. 36.7%; p < 0.001). Age, pulmonary disease, malignancy, and ICU admission were associated with an increase in 30-day mortality. The electronic AKI alert together with a care bundle and a multidisciplinary education program was associated with a reduction in 30-day mortality in patients with AKI.

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OBJECTIVE: The aim of this study was to describe and discuss the epidemiological indicators of lip and oral cavity cancer in Brazil, in 2017, according to data from the Global Burden of Disease data. METHODS: This is a descriptive study reported according to STROBE guidelines. We identified epidemiological indicators using the Global Burden of Disease results tool. Mortality/incidence rates were described per 100,000 population. Global Burden of Disease 2017 reviews were completed using Python version 2.7, Stata version 13.1, and R version 3.3. RESULTS: In 2017, there were 5,237 deaths from the lip or oral cavity cancer in Brazil, most of them were males aged between 50 and 69 years (2,730 cases, which was equivalent to 52% of the universe of deaths resulting from this cause). Regarding the burden of lip and oral cavity cancer, per 100,000 Brazilians, we observed an incidence of 3.99, prevalence of 15.46, and mortality of 2.29 (with higher indicators in the South and Southeast regions of the country). CONCLUSIONS: Epidemiological indicators of lip and oral cavity cancer were higher in men, with higher mortality indicators in individuals aged 50-69 years, and higher rates (incidence, prevalence, and mortality) in the South and Southeast regions of Brazil. From 2002-2015, there was a reduction in mortality; however, in the period from 2015-2017, there was a resumption in the growth of this indicator.

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Imidacloprid (IMI) is a neonicotinoid insecticide widely used in agriculture worldwide. This pesticide has been found in freshwater ecosystems, including Brazilian freshwaters. For this reason, studies are being conducted to detect the presence of IMI in freshwater and understand its effects on the aquatic biota. In the present study, the acute toxic effect of the imidacloprid commercial formulation (ICF) Galeão® on the Brazilian non-target aquatic organisms Chironomus sancticaroli and Poecilia reticulata was evaluated. Enzymatic activities (glutathione S-transferase (GST), catalase (CAT), and ascorbate peroxidase (APX)) were also determined. Moreover, we considered 11 studies that detected IMI concentrations up to 3.65 µg.L-1 in 28 different Brazilian freshwaters to evaluate the acute ecological risk of IMI in these environments. From the ecotoxicological assays, we determined the LC50 values for C. sancticaroli (LC50-48 h 1.52 µg.L-1) and P. reticulata (LC50-96 h 122.65 mg.L-1). The high sensitivity of C. sancticaroli demonstrates that this species could be used as a bioindicator in studies investigating the contamination of freshwater by IMI. Enzymatic activity changes were observed in both organisms and offered sublethal responses to the effects of the pollution by IMI on aquatic biota. Our results suggest that the presence of IMI in Brazilian aquatic ecosystems can represent a potential ecological risk for the aquatic insect populations and, consequently, cause an imbalance in these ecosystems. The present study provides relevant and comparable toxicity information that may be useful to develop public policies to protect the Brazilian aquatic ecosystem from IMI contamination.

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BACKGROUND: Robotic gastrectomy (RG) has been shown to be a safe and feasible method in gastric cancer (GC) treatment. However, most studies are in Eastern cohorts and there is great interest in knowing whether the method can be used routinely, especially in the West. OBJECTIVES: The aim of this study was to compare the short-term surgical outcomes of D2-gastrectomy by RG versus open gastrectomy (OG). METHODS: Single-institution, open-label, non-inferiority, randomized clinical trial performed between 2015 and 2020. GC patients were randomized (1:1 allocation) to surgical treatment by RG or OG. Da Vinci Si platform was used. INCLUSION CRITERIA: gastric adenocarcinoma, stage cT2-4 cN0-1, potentially curative surgery, age 18-80 years, and ECOG performance status 0-1. EXCLUSION CRITERIA: emergency surgery and previous gastric or major abdominal surgery. Primary endpoint was short-term surgical outcomes. The study is registered at clinicaltrials.gov (NCT02292914). RESULTS: Of 65 randomized patients, 5 were excluded (3 palliatives, 1 obstruction and emergency surgery, and 1 for material shortage). Consequently, 31 and 29 patients were included for final analysis in the OG and RG groups, respectively. No differences were observed between groups regarding age, sex, BMI, comorbidities, ASA, and frequency of total gastrectomy. RG had similar mean number of harvested lymph nodes (p = 0.805), longer surgical time (p < 0.001), and less bleeding (p < 0.001) compared to OG. Postoperative complications, length of hospital stay, and readmissions in 30 days were equivalent between OG and RG. CONCLUSIONS: RG reduces operative bleeding by more than 50%. The short-term outcomes were non-inferior to OG, although surgical time was longer in RG.

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SUMMARY OBJECTIVE: The aim of this study was to describe and discuss the epidemiological indicators of lip and oral cavity cancer in Brazil, in 2017, according to data from the Global Burden of Disease data. METHODS: This is a descriptive study reported according to STROBE guidelines. We identified epidemiological indicators using the Global Burden of Disease results tool. Mortality/incidence rates were described per 100,000 population. Global Burden of Disease 2017 reviews were completed using Python version 2.7, Stata version 13.1, and R version 3.3. RESULTS: In 2017, there were 5,237 deaths from the lip or oral cavity cancer in Brazil, most of them were males aged between 50 and 69 years (2,730 cases, which was equivalent to 52% of the universe of deaths resulting from this cause). Regarding the burden of lip and oral cavity cancer, per 100,000 Brazilians, we observed an incidence of 3.99, prevalence of 15.46, and mortality of 2.29 (with higher indicators in the South and Southeast regions of the country). CONCLUSIONS: Epidemiological indicators of lip and oral cavity cancer were higher in men, with higher mortality indicators in individuals aged 50-69 years, and higher rates (incidence, prevalence, and mortality) in the South and Southeast regions of Brazil. From 2002-2015, there was a reduction in mortality; however, in the period from 2015-2017, there was a resumption in the growth of this indicator.

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The IL-22 pathway has been shown to play an important role in the pathogenesis of liver fibrosis. However, little is known about the role of single-nucleotide polymorphisms (SNPs) in IL-22-related genes in relation to the severity of liver fibrosis. This study aimed to investigate the association of polymorphisms in IL22 and IL22RA1 genes with the severity of liver fibrosis in patients with chronic hepatitis C. A total of 326 patients (165 with mild fibrosis and 161 with severe fibrosis) were included. Four SNPs in IL22 (rs1179251, rs2227473, rs1012356, and rs2227485) and two in IL22RA1 (rs4648936 and rs3795299) were evaluated by real-time PCR. No significant association was observed between the polymorphisms studied and the severity of liver fibrosis. The SNPs rs1179251, rs2227473, rs1012356, and rs2227485 in IL22 and rs4648936 and rs3795299 in IL22RA1 may not be involved in the pathogenesis of liver fibrosis in patients with chronic hepatitis C.

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The term inflammatory arthritis defines a family of diseases, including rheumatoid arthritis (RA), caused by an overactive immune system, and influenced by host aspects including sex, reproductive state, and stress. Prolactin (PRL) is a sexually dimorphic, reproductive, stress-related hormone long-linked to RA under the general assumption that it aggravates the disease. However, this conclusion remains controversial since PRL has both negative and positive outcomes in RA that may depend on the hormone circulating levels, synthesis by joint tissues, and complex interactions at the inflammatory milieu. The inflamed joint is rich in matrix metalloproteases that cleave PRL to vasoinhibin, a PRL fragment with proinflammatory effects and the ability to inhibit the hyperpermeability and growth of blood vessels. This review addresses this field with the idea that explanatory mechanisms lie within the PRL/vasoinhibin axis, an integrative framework influencing not only the levels of systemic and local PRL, but also the proteolytic conversion of PRL to vasoinhibin, as vasoinhibin itself has dual actions on joint inflammation. In this review, we discuss recent findings from mouse models suggesting the upregulation of endogenous vasoinhibin by the pro-inflammatory environment and showing dichotomous actions and signaling mechanisms of PRL and vasoinhibin on joint inflammation that are cell-specific and context-dependent. We hypothesize that these opposing actions work together to balance the inflammatory response and provide new insights for understanding the pathophysiology of RA and the development of new treatments.

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Bacterial cellulose (BC) is a biopolymer mainly produced by acetic acid bacteria (AAB) that has several applications in the medical, pharmaceutical, and food industries. As other living organisms, AAB require sources of chemical elements and nutrients, which are essential for their multiplication and metabolite production. So, the knowledge of the nutritional needs of microorganisms that have important industrial applications is necessary for the nutrients to be supplied in the appropriate form and amount. Considering that the choice of different nutrients as nitrogen source can result in different metabolic effects, this work aimed to verify the effects of amino acid supplementation in the culture media for BC production by an AAB strain (Komagataeibacter intermedius V-05). For this, nineteen amino acids were tested, selected, and optimized through a Plackett and Burman factorial design and central composite design to determine the optimal concentrations of each required amino acid. Membranes produced under optimal conditions were characterized in relation to chemical structure and properties by X-ray diffraction (XRD), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), infrared spectroscopy (FT-IR), and hydrophilic properties. Three amino acids had a significant positive effect and were required: aspartic acid (1.5 g L-1), phenylalanine (1.5 g L-1), and serine (3.0 g L-1). Conversely, all sulfur and positively charged amino acids had a negative effect and reduced the production yield. After optimization and validation steps, a production level of 3.02 g L-1 was achieved. Membranes produced from optimized media by this strain presented lower crystallinity index but greater thermal and hydrophilic properties than those produced from standard HS medium.

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Resumo: O artigo tem por objetivo analisar a forma de trabalho precarizado que se escamoteia por "estágio de pós-graduação" na área Sociojurídica. Situa-se o debate no bojo da contrarreforma administrativa, desencadeada após o golpe de 2016, e dos influxos da precarização hoje. Argumenta-se a partir da análise de alguns editais de contratação, denunciando suas armadilhas e riscos para a formação, o trabalho e a garantia de direitos. Conclui-se apontando algumas possibilidades de resistência.

Abstract: The article aims to analyze the form of precarious work that is concealed by "postgraduate internship" in the Sociojuridical area. The debate is located in the midst of the administrative counter-reform triggered after the 2016 coup and the inflow of precariousness today. It argues based on the analysis of some hiring notices denouncing their pitfalls and dangers for work and the guarantee of rights. We conclude by pointing out some possibilities of resistance.

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BACKGROUND: The 69th World Health Assembly approved the Global Health Sector Strategy to eliminate hepatitis C virus (HCV) infection by 2030. In Brazil, efforts have been undertaken to achieve this goal; there are, however, great challenges. It is important to understand the disease profile in different regions of the country in order to design strategies to fight the disease nationwide. The objective of this study was to analyse the time trend of the incidence and mortality of hepatitis C in Brazil during the period from 2008 to 2018 according to sociodemographic and clinical characteristics. METHODS: All newly diagnosed cases of hepatitis C reported between 2008 and 2018, in all regions of Brazil, were included. The indicators were obtained from the databases of the Brazilian Ministry of Health. For the time series analysis, a joinpoint regression model was used. RESULTS: Between 2008 and 2018, 136,759 newly diagnosed cases of hepatitis C were reported considering anti-HCV and HCV RNA positivity, and 271,624 newly diagnosed cases were reported considering one or another positive test. The majority of the records were concentrated in the Southeast (61%) and South (26.2%) Regions. The joinpoint regression model indicated an increasing trend in the detection rate of hepatitis C in Brazil, but there was a decreasing trend in the mortality rate during the period analysed. CONCLUSIONS: Differences were observed in the time trend of hepatitis C and in the sociodemographic and clinical characteristics in different regions of Brazil. These data can provide support to design strategies for the elimination of hepatitis C in Brazil, according to regional particularities.

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