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This study produced pH-sensing carboxymethyl cellulose (CMC) films functionalized with bioactive compounds obtained by pressurized liquid extraction (PLE) of grape peel to monitor the freshness of pork and milk. A semi-continuous PLE was conducted using hydroethanolic solution (70:30, v/v) at a flow rate of 5 mL/min, 15 MPa, and 60 °C. The films were produced by the casting technique using CMC (2.5 %, w/v), glycerol (1 %, v/v), and functionalized with 10, 30, and 50 % (v/v) grape peel extract. From the results obtained, LC-MS/MS revealed that PLE extracted twenty-seven phenolic compounds. The main phenolic compounds were kaempferol-3-glucoside (367.23 ± 25.88 µg/mL), prunin (270.23 ± 3.62 µg/mL), p-coumaric acid (236.43 ± 26.02 µg/mL), and procyanidin B1 (117.17 ± 7.29 µg/mL). The CMC films presented suitable color and mechanical properties for food packaging applications. The addition of grape peel extract promoted the pH-sensing property, showing the sensitivity of anthocyanins to pH changes. The films functionalized with grape peel extract presented good release control of bioactive compounds, making them suitable for food packaging applications. When applied to monitor the freshness of pork and milk, the films exhibited remarkable color changes associated with the pH of the food during storage. In conclusion, PLE is a sustainable approach to obtaining bioactive compounds from the grape peel, which can be applied in the formulation of pH-sensing films as a promising sustainable material to monitor food freshness during storage.

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This study evaluated the use of a semi-continuous high-pressure hydrothermal process for the recovery of value-added products from pitaya peel. The process was carried out at 15 MPa, a water flow rate of 2 mL/min, a solvent-to-feed ratio of 60 g water/g pitaya peel, and temperatures ranging from 40 to 210 °C. The results show that extraction temperatures (between 40 and 80 °C) promoted the recovery of betacyanin (1.52 mg/g), malic acid (25.6 mg/g), and citric acid (25.98 mg/g). The major phenolic compounds obtained were p-coumaric acid (144.63 ± 0.42 µg/g), protocatechuic acid (91.43 ± 0.32 µg/g), and piperonylic acid (74.2 ± 0.31 µg/g). The hydrolysis temperatures (between 150 and 210 °C) could produce sugars (18.09 mg/g). However, the hydrolysis process at temperatures above 180 °C generated Maillard reaction products, which increased the total phenolic compounds and antioxidant activity of the hydrolysates. Finally, the use of semi-continuous high-pressure hydrothermal process can be a sustainable and promising approach for the recovery of value-added compounds from pitaya peel, advocating a circular economy approach in the agri-food industry.

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This study evaluated the subcritical water hydrolysis (SWH) of brewer's spent grains (BSG) to obtain sugars and amino acids. The experimental conditions investigated the hydrolysis of BSG in a single flow-through reactor and in two sequential reactors operated in semi-continuous mode. The hydrolysis experiments were carried out for 120 min at 15 MPa, 5 mL water min-1, at different temperatures (80 - 180 °C) and using an S/F of 20 and 10 g solvent g-1 BSG, for the single and two sequential reactors, respectively. The highest monosaccharide yields were obtained at 180 °C in a single reactor (47.76 mg g-1 carbohydrates). With these operational conditions, the hydrolysate presented xylose (0.477 mg mL-1) and arabinose (1.039 mg mL-1) as main sugars, while low contents of furfural (310.7 µg mL-1), 5-hydroxymethylfurfural (<1 mg L-1), and organic acids (0.343 mg mL-1) were obtained. The yield of proteins at 180 °C in a process with a single reactor was 43.62 mg amino acids g-1 proteins, where tryptophan (215.55 µg mL-1), aspartic acid (123.35 µg mL-1), valine (64.35 µg mL-1), lysine (16.55 µg mL-1), and glycine (16.1 µg mL-1) were the main amino acids recovered in the hydrolysate. In conclusion, SWH pretreatment is a promising technology to recover bio-based compounds from BSG; however, further studies are still needed to increase the yield of bioproducts from lignocellulosic biomass to explore two sequential reactors.

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ABSTRACT BACKGROUND AND OBJECTIVES: Chronic pelvic pain can be considered one of the main causes of morbidity and functional disability in women. The influence of psychosocial factors on chronic pelvic pain has been little explored in the literature. This study sought to characterize the profile of chronic pelvic pain in women, the presence of psychosocial factors and the association with pain and disability. METHODS: This cross-sectional study included women with chronic pelvic pain. Data on pain, disability and psychosocial factors was collected using specific questionnaires. Analysis of frequency, central tendency and dispersion were presented. Pearson's correlation test was used to verify the correlation between pain, disability and psychosocial factors. The statistical significance was set as alpha=95%. RESULTS: The study consisted of 25 women, with a mean age of 45.4 years. The mean pain intensity at the time of the assessment was 4.76±3.39. The mean disability was 4.01±2.32. Anxiety presented a mean of 7.16±3.36 and stress 7.04±3.16. The level of disability had a negative correlation with pain intensity (r = -0.474; p=0.017), with the pain severity domain (r=-0.566; p=0.003) and with kinesiophobia (r = -0.550; p=0.001). CONCLUSION: Women with chronic pelvic pain had moderate levels of pain intensity and disability. The psychosocial factors with the highest mean score were anxiety and stress. The intensity of pain and disability were correlated with each other and with kinesiophobia.

RESUMO JUSTIFICATIVA E OBJETIVOS: A dor pélvica crônica pode ser considerada uma das principais causas de morbidade e incapacidade funcional para as mulheres. A influência dos fatores psicossociais na dor pélvica crônica foi pouco explorada na literatura. O objetivo deste estudo foi caracterizar o perfil da dor pélvica crônica em mulheres, bem como buscar a presença de fatores psicossociais e a associação com dor e incapacidade. MÉTODOS: Estudo transversal que incluiu mulheres com dor pélvica crônica. Os dados referentes da dor, incapacidade e os fatores psicossociais foram coletados utilizando questionários específicos. Foram apresentadas as análises de frequência, tendência central e dispersão dos dados. O teste de correlação de Pearson foi utilizado para verificar a correlação entre dor, incapacidade e fatores psicossociais. O valor de significância estatística adotado foi de alfa=95%. RESULTADOS: O estudo foi composto por 25 mulheres, com média de idade de 45,4 anos. A intensidade de dor média no momento da avaliação foi de 4,76±3,39. A média de incapacidade foi de 4,01±2,32. A ansiedade apresentou média de 7,16±3,36 e estresse 7,04±3,16. O nível de limitação funcional teve correlação negativa com a intensidade da dor (r= -0,474; p=0,017), com o domínio gravidade da dor (r=-0,566; p=0,003) e com cinesiofobia (r= -0,550; p=0,001). CONCLUSÃO: As mulheres com doença pélvica crônica apresentaram níveis moderados de intensidade de dor e limitação funcional. Os fatores psicossociais com maior pontuação média foram a ansiedade e estresse. A intensidade de dor e o nível de limitação funcional estiveram correlacionados entre si e com a cinesiofobia.

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Abstract This work reports the study of the potential application of Zn/TiO2 catalysts, obtained by the sol-gel method, in processes of environmental decontamination through the reactions of photodegradation of textile dye, followed by electrospray mass spectrometry. The catalysts synthesis was performed according to a 2² factorial design with repetition at the central point. The characterization techniques used were: N2 adsorption measurements (BET method), scanning electron microscopy with energy dispersive X-ray (MEV/EDS), X-ray diffraction and point of zero charge (PZC). The photocatalytic tests were performed in batch in the presence of sunlight, and to evaluate the degradation kinetics study, a rapid direct injection electrospray mass spectrometry (DI-ESI-MS) method has been developed. By the photocatalytic tests, the calcination temperature of 400 °C has shown the best results of discoloration for the reactive Orange-122 dye (99.76%) in a reaction time of 2h. The discoloration kinetics were a pseudo-first order, and a statistical analysis was performed to investigate the effects of the variables and to optimize the conditions of discoloration to the dye. After the reactional time of 2 h, an ion of m/z 441.5 was detected by ESI-MS, indicating that the photocatalytic process was effective for the degradation of the dye to secondary compounds.

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Sugarcane vinasse is a by-product obtained during ethanol production in sugar-ethanol plants. For each 1 L of ethanol produced approximately 11 L of vinasse are generated. As this residue is obtained in high amounts, it is used as fertilizer in sugarcane crops. However, despite being rich in nutrients, sugarcane vinasse is approximately one hundred times more polluting than domestic sewage, making it an environmental problem. Thus, the aim of the present study was to propose a treatment sequence for sugarcane vinasse and evaluate the possibility of energetic use of the generated sludge in the coagulation/flocculation stage. pH, conductivity, turbidity and decreases in UV/Vis absorption spectra were determined for each treatment step. In addition, the upper calorific value of the generated sludge was also determined, while ash (adsorption treatment) and catalyst (heterogeneous photocatalysis) characterizations were also carried out. At the end of the treatment, initial vinasse turbidity was reduced by 100% and pH and conductivity values were stabilized. The sludge presented a higher calorific value of approximately 3,000 kcal kg-1 and the ash and catalyst displayed favorable characteristics to be applied to the sugarcane vinasse treatment stages.

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Purpose: To analyze the location of the femoral tunnel by three-dimensional computed tomography (3D CT) of the lateral condyle in patients who underwent arthroscopic single-bundle anterior cruciate ligament (ACL) reconstruction, performed using a modified transtibial technique, and to compare the results with data from the literature. Materials and Methods: Seventeen patients with ACL lesions underwent modified transtibial ACL reconstruction. Postoperatively, 3D CT examinations were performed and the images were analyzed by the quadrant system described by Bernard and Hertel to define the femoral tunnel coordinates. Results: The mean value of femoral tunnel location coordinates was 37.1±5.9 in the horizontal plane and 23.9±7.5 in the vertical plane. Compared with other studies using the transtibial or transportal technique, femoral positioning was improved in the vertical plane. The outside-in technique provided the best results both in the vertical and horizontal planes. Conclusions: The modified transtibial technique was not effective for systematically anatomic femoral tunnel positioning; however, it was relatively better than the conventional transtibial technique.

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OBJECTIVES: To describe the social participation frequency and the physical disability of patients who were discharged after the multidrug therapy (MDT/WHO) and factors associated with these variables. METHOD: A cross-sectional and analytical study, examining associations, which took place Nova Iguaçu/Brazil. A random sample of patients treated with multidrug therapy from 1997 to 2006 was selected. The rationale for sample size was determined by the estimated proportion of physical disability in the amount of 23%, with an acceptable sampling error rate of 5%; significance level was established as 5% among the 1080 patients finally a total sample of 225 patients. The evaluations were performed from January 2010 to December 2011 and Socio-demographic and clinical data were collected from the applications completed in the national notifiable diseases information system (SINAN). RESULTS: In the period of interest, 2179 cases were diagnosed with leprosy; 1080 met the criteria for inclusion. Of these, 225 were randomly selected patients who had mean age 56.12 (±17.34 years), 55.6% were women, 39.9% went to high school and 28.9% were Caucasians. A total of 55.3% (125) showed multibacillary form, with a predominant dimorphous leprosy in 40.4%. Physical disability was present in 60.9% and social restrictions in 24.9% of patients. The variable physical disability was associated with the therapeutic regimen multibacillary and social participation. CONCLUSION: We observed a high frequency of disability and social restriction after long period after the start of MDT/WHO suggesting the late diagnosis of leprosy or inadequate follow-up after discharge. This study highlights the importance of systematic monitoring of these patients with their own criteria which could be held at the Family Health Strategy.

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Relatamos um achado ocasional de meningoencefaloventriculocele esfenoetmoidal num paciente adulto, com achados tomográficos interpretados como formaçäo expansiva neoplásica com características de agressividade. Alertamos para a ocorrência dessa rara localizaçäo de patologia malformativa

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Os autores relatam um caso de recém-nascido com malformaçäo congênita do sistema nervoso central, enxefalia caracterizada pela ausência dos ossos da abóbada craniana e exteriorizaçäo do tecido nervoso cerebral mal formado, recoberto por uma membrana azul-acinzentada. Säo ressaltados, no trabalho, os achados radiológicos e tomográficos, e feita uma revisäo bibliográfica

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