Continuous Spinal Anesthesia for Emergent Laparotomy in a Patient With Severe Pulmonary Comorbidities: A Case Report.

Severe pulmonary conditions in patients undergoing surgery place them at greater risk of adverse outcomes. Alternatives to general anesthesia are encouraged, particularly for emergent interventions, as these procedures can compromise the patients' full recovery postoperatively. We describe an example of an underused anesthetic technique, continuous spinal anesthesia, to circumvent the perioperative risk of major abdominal surgery, successfully avoiding invasive mechanical ventilation in these patients.

Urban river recovery: a systematic review on the effectiveness of water clean-up programs.

Urban rivers are affected at different levels by the intensification of human activities, representing a serious threat to the maintenance of terrestrial life and sustainable urban development. Consequently, great efforts have been dedicated to the ecological restoration of urban rivers around the world, as a solution to recovering the environmental functionality of these environments. In this sense, the present work aimed to investigate the effectiveness of interventions carried out aimed at the recovery of urban rivers, through a systematic review of the literature between 2010 and 2022, using the search term "rivers recovery.

Effects of Reiki on the Perception of Quality of Life Determined by the Questionnaire WHOQOL-BREF.

Reiki is a philosophy and healing technique that directs the use of vital energy (ki) for energy rebalance, as well as healing, in a holistic sense, of physical, emotional, mental, and spiritual processes. The practice is part of the integrative and complementary practices recognized by the World Health Organization. This study aimed to evaluate the Reiki effects on people's life quality perception, by using the World Health Organization Quality of Life-BREF (WHOQOL-BREF).

[Materialities and transnational scientific culture of objects: the 12th International Congress of Zoology, Lisbon, 1935].

The material memory of the 12th International Congress of Zoology, held in Lisbon in 1935 includes insignias - the starfish - and caricatures of zoologists. Through an investigation of the archives at the University of Lisbon's National Museum of Natural History and Science, we intend to investigate the material landscape as conceived by the zoologist Artur Ricardo Jorge by drawing epistemologically on the potentialities of the biography of scientific objects. This research note reveals a scientific discourse translated into materialities circulated in public spaces in the globalized Europe of the 1930s, with references from scientific power, in the context of Portugal's Estado Novo regime, enshrined in its 1933 constitution.

Combining capillary electromigration with molecular imprinting techniques towards an optimal separation and determination.

Capillary electromigration is a well-established commercial group of analytical techniques, and, alike other column separation systems, it often benefits from a preceding sample preparation step. This step not only improves the analytical performance of many methods and prolongs the equipment's life span, but it also makes some determinations possible. A remarkable sample preparation technique is molecular imprinting technology: by creating tailored polymers able to 'select' the targeted analytes, matrix effects are severely diminished.

Methodology for soil respirometric assays: Step by step and guidelines to measure fluxes of trace gases using microcosms.

This methodology is proposed to measure the fluxes of trace gases among microcosms and the atmosphere. As microcosm respiration we include both aerobic and anaerobic respiration, which may results in CO, CH, NO, NO, N, HS and H fluxes. Its applicability includes the assessment of products biodegradability and toxicity, the effect of treatments and products on greenhouse gases fluxes, and the mineralization of organic fertilizers.

4-hydrazinobenzoic acid as a derivatizing agent for aldehyde analysis by HPLC-UV and CE-DAD.

Aldehydes are relevant analytes in a wide range of samples, in particular, food and beverages but also body fluids. Hydrazines can undergo nucleophilic addition with aldehydes or ketones giving origin to hydrazones (a group of stable imines) that can be suitably used in the identification of aldehydes. Herein, 4-hydrazinobenzoic acid (HBA) was, for the first time, used as the derivatizing agent in analytical methodologies using liquid chromatography aiming the determination of low-molecular aldehydes.

Derivatizing assay for the determination of aldehydes using micellar electrokinetic chromatography.

In this work, the use of a novel derivatization agent for the determination of aldehydes (in this particular case: formaldehyde, acetaldehyde, propionaldehyde, and valeraldehyde) using micellar electrokinetic chromatography is reported. The derivatization reaction is based on the reaction of aldehydes with benzhydrazide to form the corresponding derivates with maximum absorbance at 250 nm. The experimental conditions of the derivatization reaction as well of the separation were optimized.

[Awareness and education regarding sexually transmitted diseases among undergraduate students].

Sexually transmitted diseases (STDs) are the main global cause of acute illness and death and represent a high socioeconomic cost. Undergraduate students are highly exposed to STDs. The research developed at UNICAMP sought to quantify and generate self-perception of knowledge(or lack thereof) about STDs, as well as evaluate the interest of the students in a course on the topic.

Brazilian Center for the Validation of Alternative Methods (BraCVAM) and the process of validation in Brazil.

The need for the creation of a Brazilian centre for the validation of alternative methods was recognised in 2008, and members of academia, industry and existing international validation centres immediately engaged with the idea. In 2012, co-operation between the Oswaldo Cruz Foundation (FIOCRUZ) and the Brazilian Health Surveillance Agency (ANVISA) instigated the establishment of the Brazilian Center for the Validation of Alternative Methods (BraCVAM), which was officially launched in 2013. The Brazilian validation process follows OECD Guidance Document No.

Dermatology relevance to graduates from the Universidade Estadual de Campinas Medical School.

Background: Some research indicates that physicians do not dominate the expected dermatological content for the proper exercise of the profession. This fact compromises their diagnostic and therapeutic performance, generating unnecessary costs.

Objective: The aim of this study was to evaluate the relevance of Dermatology and the knowledge acquired in the specialty during the undergraduate course in clinical practice of graduates at the State University of Campinas Medical School (FCM/UNICAMP).

Microbiological and mycological beach sand quality in a volcanic environment: Madeira archipelago, Portugal.

Madeira forms a mid-Atlantic volcanic archipelago, whose economy is largely dependent on tourism. There, one can encounter different types of sand beach: natural basaltic, natural calcareous and artificial calcareous. Microbiological and mycological quality of the sand was analyzed in two different years.

Determination of 2-methylimidazole and 4-methylimidazole in caramel colors by capillary electrophoresis.

The use of chemical preservative compounds is common in the food products industry. Caramel color is the most usual additive used in beverages, desserts, and breads worldwide. During its fabrication process, 2- and 4-methylimidazole (MeI), highly carcinogenic compounds, are generated.

Mixture-designed electrolytes for the MEKC separation of natural and synthetic steroids.

In this work, the separation of 11 natural and synthetic steroids was studied using MEKC electrolytes modified by property-selected organic solvents: ethanol, ACN, and THF. The interplay between electrophoretic behavior and structural features was disclosed and the effects of organic modifiers to modulate retention and to alter selectivity were discussed in terms of system linear solvation energy relationships (LSER). The LSER indicated the total organic solvent percentage in the electrolyte as a major parameter to control retention and as a minor contribution, the hydrogen bond acidity.

Determination of antiretroviral agents in human serum by capillary electrophoresis.

In this work, a simple and rapid electrokinetic chromatography method for the simultaneous separation of different protease inhibitors (indinavir, ritonavir, saquinavir, nelfinavir), nucleoside reverse transcriptase inhibitors (stavudine, zidovudine, didanosine) and non-nucleoside reverse transcriptase inhibitors (nevirapine, efavirenz) was developed. The analyses were performed in a 75 microm i.d.

Determination of volatile corrosion inhibitors by capillary electrophoresis.

In this work, a capillary electrophoresis (CE) method using indirect UV detection (214nm) for the simultaneous determination of monoethanolamine (MEA), diethanolamine (DEA), triethanolamine (TEA), diethylethanolamine (DEEA), monocyclohexylamine (MCHA) and dicyclohexylamine (DCHA) in water/ethanol extracts of wrapping materials containing volatile corrosion inhibitors (VCIs) was described. A running buffer consisting of 0.010 molL(-1) imidazole, 0.

Analysis of low molecular weight aldehydes in air samples by capillary electrophoresis after derivatization with 4-hydrazinobenzoic acid.

This work reports the analysis of selected aldehydes in air samples using capillary electrophoresis (CE). The method is based on the reaction of aldehydes with 4-hydrazinobenzoic acid (HBA) to give the corresponding hydrazones with maximum absorbance at 290 nm. Under optimized CE conditions, the HBA derivatives of four carbonyls (formaldehyde, acetaldehyde, propionaldehyde, and acrolein) were completely separated from one another, in less than 6 min, using a pH 9.

Indirect determination of chloride and sulfate ions in alcohol fuel by capillary electrophoresis.

A capillary zone electrophoresis method using indirect UV detection for the analysis of chloride and sulfate in alcohol fuel samples was developed. The anions were analyzed in less than 3 min using an electrolyte containing 10 mmol l(-1) chromate and 0.75 mmol l(-1) hexamethonium bromide (HMB) as electroosmotic flow modifier.

Determination of low-aliphatic aldehydes indoors by micellar electrokinetic chromatography using sample dissolution manipulation for signal enhancement.

This work describes a novel approach for the analysis of selected aldehydes (formaldehyde, acetaldehyde, propionaldehyde, and acrolein) and acetone in environmental samples using micellar electrokinetic chromatography (MEKC). The method is based on the reaction of carbonyl compounds with 3-methyl-2-benzothiazoline hydrazone (MBTH) that gives an azine intermediate with maximum absorbance at 216 nm. A systematic evaluation of sample dissolution medium was conducted as a means to enhancing sensitivity.

Laser-induced fluorescence and UV detection of derivatized aldehydes in air samples using capillary electrophoresis.

In this work, two capillary zone electrophoresis methodologies using UV absorption detection (214 nm) and laser-induced fluorescence detection (He/Cd laser, 325 nm excitation, 520 nm emission) of selected aldehydes (formaldehyde, acetaldehyde, propionaldehyde and acrolein) derivatized with dansylhydrazine (DNSH, 5-dimethylaminonaphthalene-1-sulfohydrazide) were proposed and validated. The aldehydes react with DNSH to form negatively charged molecules in methanolic medium. In both methodologies, nine DNSH-derivatives, including isomers of acetaldehyde, propionaldehyde and acrolein and two impurities were baseline separated in 20 mmol l(-1) phosphate buffer at pH 7.