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Certo A, Rodrigues J, Nombora O, Basto M, Mendes E. Dissociative and Epileptic seizures: how to distinguish them? Eur Psychiatry 2022. [PMCID: PMC9567827 DOI: 10.1192/j.eurpsy.2022.1222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction Dissociative seizures (DS) are classified as dissociative convulsions within the group of dissociative disorders. Although they share many features with epileptic seizures (ES), they are not a consequence of abnormal brain discharges and may be related to psychogenic causes. DS represent a common diagnostic and are often confounded with ES. Objectives The aim of this study is to review the current evidence about the differential diagnosis between DS and ES. Methods We conducted a non-sytematic review on the topic, using Pubmed/Medline database. Results Studies emphasize a correct diagnosis before treatment of seizures. DS and ES respond differently to anticonvulsant medication and early or incorrect prescription of can even exacerbate DS. Clinical features and a neuropsychiatric history can also help. The presence of a dissociative “stigmata”, such as unexplained sensory loss, may support a non-epileptic diagnosis. EEG videorecording method is the gold standard diagnosis for DS, however often displays rhythmic movement artifacts that may resemble seizure activity and confound the interpretation. The absence of ictal EEG discharges characteristic of epilepsy is a sign of DS. However, this may not be true for some partial ES, particularly those from temporal lobes, whom also tend to report shorter duration of seizures, whereas patients with DPD often describe experiences lasting for hours or longer. Conclusions Distinguish DS from ES can be challenging. However, there are features that can help in the differential diagnosis. A correct diagnosis is essential for an adequate therapeutic approach, better prognosis, reduction of medical costs and also a referral to the right medical specialty. Disclosure No significant relationships.
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Basto M, Certo A, Nombora O, Horta A, Mendes E, Venâncio Â. Self-perceived functional impairment or disability in Delusional Disorder – Case Reports. Eur Psychiatry 2022. [PMCID: PMC9568007 DOI: 10.1192/j.eurpsy.2022.1977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction
Delusional disorder (DD) is a psychotic disorder with an estimated prevalence of less than one percent,traditionally characterized by systematized delusional ideas with no cognitive deterioration.However, some studies have been reporting impairment of neurocognitive system (social cognition,learning and memory, expressive language,complex attention, executive function) that might have an impact functionality both in social and work domains..
Objectives
This work aims to review clinical evidence on self-perceived functional impairment or disability in DD and to present two clinical cases evaluated at a psychiatric unit.
Methods
We report two clinical cases based on patients’ history and clinical data, and reviewed clinical records using PubMed® database with search terms of “Delusional Disorder”,“Cognition Impairment in Persistent DD”.
Results
We present two clinical cases of patients who were admitted to psychiatric unit after developing psychotic symptoms namely persecutory delusions about neighbors.A persistent delusional disorder was established and antipsychotic treatment was initiated.The 74-years-old men presented deficits in executive and memory processes; ended up institutionalized after two months of being discharged.The 47-years-old woman, despite remaining as a lawyer, noticed a decrease in work capacity and so she ended up being responsible for less demanding cases.Cases of delusional disorder showed a poor performance in most cognitive tests and some of the cognitive deficits seem to affect functionality namely memory, expressive language and attention.
Conclusions
Although classical literature has not systematized an association between DD and personality deterioration,there are some evidences of loss of functionality and cognitive commitment in this disorder.This suggests the importance of cognitive interventions to improve functional prognosis in this clinical population.
Disclosure
No significant relationships.
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Psaltikidis EM, Lima T, Fagnani R, Cardoso L, Bachur L, Höfling CC, Mendes E, Oliveira F, Resende M, Velasco N, Moretti M. Outbreak of Surgical Site Infections by Serratia marcescens Related to Degermation Brush. Int J Infect Dis 2022. [DOI: 10.1016/j.ijid.2021.12.264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Delgado BM, Lopes IVO, Mendes E, Loureiro MARIA, Preto L, Sousa LUIS, Novo ANDRÉ. Heart failure inpatient"s self-care behaviour: mulricenter approach focousing on gender differences. Eur J Cardiovasc Nurs 2021. [DOI: 10.1093/eurjcn/zvab060.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Introduction
Heart failure is often characterized by low exercise capacity and great impairment on performance in activities of daily living. The correct management of the disease can prevent the worsening of symptoms and promote a better quality of life. Self-care behaviour plays an important role on patient"s quality of life.
Aim
The aims of this study are to evaluate the self-care behaviour in a sample of heart failure inpatients, using the Self-Care Heart Failure Index (SCHFI) and to understand whether gender and patophisiologic characteristics does interfere on it.
Methods
Cross-sectional multicenter study enrolling 225 heart failure inpatients from eight hospitals. At admission, patient’s functional capacity was evaluated as well as their self-care behaviour, using the SCHFI Portuguese v6.2. Comparison between self-care behaviour with gender was performed. Also some correaltions were perfomed with the total sample of patients, aiming to understand which were the variables that may interfere with the socre of each sub-scale of the self-care HF index.
Results
Patients’ mean age was 68.4 ± 10.7 years old, 68% were male and 82.3% have reduced ejection fraction. A mean value of 47.9, 35.6 and 38.8 points was found in the SCHFI score of the sections self-care maintenance (SCMt), self-care management (SCMg) and self-care confidence (SCC), respectively. Heart failure inpatients present inadequate levels of self-care behaviour. No difference was found between genders on any section of the SCHFI. Among all variables, only the number of CVRFs and the left ventricular ejection fraction had significant differences. Males had better results, but not with a statistically significant difference. Association tests (ANOVA) between different variables and the score of each section of the SCHFI were perfomred. Only in the NYHA there are variables associated with a better self-care, namely in the SCMg (p = 0.011) and in SCC (p = 0.010). Correlations were made using the numeric variables age, CVRF, BI, LCADL, SCMt, SCMg and SCC, in order to understand the influence of the variables with each other. All the three dimesnions present a positive correlation, at 99% confidence interval between them (SCMt with SCMg: r = 0.365, p < 0.000; SCMt with SCC: r = 0.272, p < 0.000 and SCMg with SCC: r = 0.670, p < 0.000). In addition, SCMt presents a positive correlation with age at a 95% confidence interval (r = 0.158, p = 0.018). Negative correlations were found between 1) BI and age (r=-0.151, p = 0.023), at a 95% confidence interval and 2) BI with LCALD (r=-0.407, p < 0.000), at a 99% confidence interval. Regarding NYHA functional class and left ventricular systolic function, only NYHA class II patients present a statistically significant difference in SCMg and SCC comparing to Class III and IV patients (who do not present differences between them).
Conclusion
The results do not suggest a relationship between gender and pathophysiological characteristics with self-care behaviour.
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Affiliation(s)
- BM Delgado
- Hospital Center of Porto, Porto, Portugal
| | - IVO Lopes
- Hospital Center of Porto, Porto, Portugal
| | - E Mendes
- Polytechnic Institute of Braganca, Braganca, Portugal
| | | | - L Preto
- Polytechnic Institute of Braganca, Braganca, Portugal
| | - LUIS Sousa
- Escola Superior de Enfermagem São João de Deus , Évora, Portugal
| | - ANDRÉ Novo
- Polytechnic Institute of Braganca, Braganca, Portugal
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Certo A, Mendes E. Psychosis developed on a travel to china – a case report. Eur Psychiatry 2021. [PMCID: PMC9479873 DOI: 10.1192/j.eurpsy.2021.2129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Introduction Psychosis it is a serious medical condition that could happen to anyone while travelling, even without a prior history of mental illness. Some psychotic episodes during travel likely are brief psychotic disorders. This is a poorly understood subject that seems to have an increasing incidence. Objectives This work aims to present a clinical case of a patient who developed psychotic symptoms on her visit to China, and to provide a brief update review of this subject. Methods We describe a case based on patient’s history and clinical data. We also searched and reviewed cases on “travel” AND “psychosis” and “tourist” AND “psychosis” using PubMed® database. Results We report the case of a 41-year-old woman without psychiatric antecedents or substance use who developed psychotic symptoms during a travel to China. Symptoms resolved completely soon after returning to Portugal and admission to the psychiatric emergency service where an antipsychotic treatment was initiated. Psychosis in tourists typically occur in destinations with strong symbolic or mystical connotations and in individuals who travel alone for several days. The most common symptoms are hallucinations, delusions, ideas of reference and agitation. Most patients improved and returned to previous functioning. Conclusions To improve the knowledge of travel-related psychosis it is important to identify the cases and the associated biological and clinical factors, later on it may be possible to identify the predictive factors of these psychosis. Further research are necessary to establish a possible association between brief psychotic episode and travel to China, as reports for tourists to Jerusalem and to Florence. Disclosure No significant relationships.
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Mendes E, Casaro MB, Fukumori C, Ribeiro WR, Dos Santos AL, Sartorelli P, Lazarini M, Bogsan CSB, Oliveira MA, Ferreira CM. Preventive oral kefir supplementation protects mice from ovariectomy-induced exacerbated allergic airway inflammation. Benef Microbes 2021; 12:187-197. [PMID: 33789554 DOI: 10.3920/bm2020.0112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Asthma is an inflammatory lung disease that affects more women than men in adulthood. Clinical evidence shows that hormonal fluctuation during the menstrual cycle and menopause are related to increased asthma severity in women. Considering that life expectancy has increased and that most women now undergo menopause, strategies to prevent the worsening of asthma symptoms are particularly important. A recent study from our group showed that re-exposure of ovariectomised allergic mice to antigen (ovalbumin) leads to an exacerbation of lung inflammation that is similar to clinical conditions. However, little is known about the role of probiotics in the prevention of asthma exacerbations during the menstrual cycle or menopause. Thus, our objective was to evaluate the effects of supplementation with kefir, a popular fermented dairy beverage, as a preventive strategy for modulating allergic disease. The results show that the preventive kefir administration decreases the influx of inflammatory cells in the airways and exacerbates the production of mucus and the interleukin 13 cytokine. Additionally, kefir changes macrophage polarisation by decreasing the number of M2 macrophages, as shown by RT-PCR assay. Thus, kefir is a functional food that potentially prevents allergic airway inflammation exacerbations in ovariectomised mice.
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Affiliation(s)
- E Mendes
- Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Universidade Federal de São Paulo, R. Sao Nicolau, 210, Diadema, SP 09913-03, Brazil
| | - M B Casaro
- Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Universidade Federal de São Paulo, R. Sao Nicolau, 210, Diadema, SP 09913-03, Brazil
| | - C Fukumori
- Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Universidade Federal de São Paulo, R. Sao Nicolau, 210, Diadema, SP 09913-03, Brazil
| | - W R Ribeiro
- Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Universidade Federal de São Paulo, R. Sao Nicolau, 210, Diadema, SP 09913-03, Brazil
| | - A L Dos Santos
- Chemistry Department, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Universidade Federal de São Paulo, Diadema, SP 09972-270, Brazil
| | - P Sartorelli
- Chemistry Department, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Universidade Federal de São Paulo, Diadema, SP 09972-270, Brazil
| | - M Lazarini
- Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Universidade Federal de São Paulo, R. Sao Nicolau, 210, Diadema, SP 09913-03, Brazil
| | - C S B Bogsan
- Department of Biochemical-Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 580, B-16, Sao Paulo, SP 05508-900, Brazil
| | - M A Oliveira
- Department of Pharmacology, Institute of Biomedical Sciences I, University of Sao Paulo, Sao Paulo, Av. Prof. Lineu Prestes, 1374, SP 05508-000, Brazil
| | - C M Ferreira
- Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Universidade Federal de São Paulo, R. Sao Nicolau, 210, Diadema, SP 09913-03, Brazil
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Ribeiro WR, Queiroz AG, Mendes E, Casaro MB, Nascimento CM, Coelho LSSF, Martins FS, Leite-Silva VR, Ferreira CM. Preventive oral supplementation with Bifidobacterium longum 5 1A alleviates oxazolone-induced allergic contact dermatitis-like skin inflammation in mice. Benef Microbes 2021; 12:199-209. [PMID: 33573507 DOI: 10.3920/bm2020.0134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Allergic contact dermatitis (ACD) is a common allergic skin disease that affects individuals subjected to different antigen exposure conditions and significantly impacts the quality of life of those affected. Numerous studies have demonstrated that probiotics suppress inflammation through immunomodulatory effects. In this study, we aimed to evaluate the effect of the probiotic Bifidobacterium longum 51A as a preventive treatment for ACD using an oxazolone-induced murine model. We demonstrated that B. longum 51A exerted a prophylactic effect on oxazolone-induced ACD-like skin inflammation via reductions in ear and dermal thickness and leucocyte infiltration. The administration of inactivated B. longum 51A did not affect oxazolone-induced ACD-like skin inflammation, suggesting that the bacteria must be alive to be effective. Given that B. longum 51A is an acetate producer, we treated mice with acetate intraperitoneally, which also prevented ear and dermal thickening. Moreover, the tissue levels of the inflammatory cytokines and chemokines interleukin (IL)-10, IL-33, tumour necrosis factor-α, chemokine (C-C motif) ligand 2/monocyte chemoattractant protein-1 and chemokine (C-C motif) ligand 5/RANTES were significantly reduced after probiotic treatment, but only IL-33 and IL-10 were reduced when the mice were treated with acetate. These results show that B. longum 51A exerted a potential prophylactic effect on skin inflammation and that acetate represents one potential mechanism. However, other factors are likely involved since these two treatments do not yield the same results.
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Affiliation(s)
- W R Ribeiro
- Department of Pharmaceutical Sciences, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Federal University of São Paulo, R. São Nicolau, 210, Diadema, SP 09913-030, Brazil
| | - A G Queiroz
- Department of Pharmaceutical Sciences, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Federal University of São Paulo, R. São Nicolau, 210, Diadema, SP 09913-030, Brazil
| | - E Mendes
- Department of Pharmaceutical Sciences, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Federal University of São Paulo, R. São Nicolau, 210, Diadema, SP 09913-030, Brazil
| | - M B Casaro
- Department of Pharmaceutical Sciences, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Federal University of São Paulo, R. São Nicolau, 210, Diadema, SP 09913-030, Brazil
| | - C M Nascimento
- Department of Pharmaceutical Sciences, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Federal University of São Paulo, R. São Nicolau, 210, Diadema, SP 09913-030, Brazil
| | - L S S F Coelho
- Department of Pharmaceutical Sciences, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Federal University of São Paulo, R. São Nicolau, 210, Diadema, SP 09913-030, Brazil
| | - F S Martins
- Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais, Avenida Presidente Antônio Carlos 6627, Campus Pampulha UFMG Belo Horizonte, MG 31970201, Brazil
| | - V R Leite-Silva
- Department of Pharmaceutical Sciences, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Federal University of São Paulo, R. São Nicolau, 210, Diadema, SP 09913-030, Brazil.,Therapeutics Research Centre, Translational Research Institute, Diamantina Institute, University of Queensland, 37 Kent St, Woolloongabba, QLD 4102, Australia
| | - C M Ferreira
- Department of Pharmaceutical Sciences, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Federal University of São Paulo, R. São Nicolau, 210, Diadema, SP 09913-030, Brazil
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Bernardi L, Pinto AFM, Mendes E, Yates JR, Lamers ML. Lonomia obliqua bristle extract modulates Rac1 activation, membrane dynamics and cell adhesion properties. Toxicon 2019; 162:32-39. [PMID: 30849455 DOI: 10.1016/j.toxicon.2019.02.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 02/25/2019] [Accepted: 02/26/2019] [Indexed: 01/01/2023]
Abstract
Lonomia obliqua is a caterpillar of potential therapeutic interest whose venom is able to induce severe blood leakage and modulate leukocyte migration. Since both phenotypes are associated with changes in cytoskeleton dynamics and cell adhesion properties, the aim of this study was to analyze the effects of Lonomia obliqua bristle extract (LOBE) in cell adhesion and migration signaling. Proteomic analysis revealed that epithelial cells (CHO-K1) exposed to LOBE (30 μg/mL, 30 min) exhibited changes in levels of actin regulatory proteins, including RhoGTPases. These changes correlated with an increase in the activity of the RhoGTPase family member Rac as measured by Förster resonance energy transfer (FRET). When plated in migration promoting conditions, CHO-K1 cells exposed to LOBE (10 μg/mL) showed an increase in membrane ruffling after short (30 min) period of incubation that was accompanied by changes in the distribution of the adhesion markers paxillin, vinculin and an increase of focal adhesion kinase autophosphorylation levels (Y397), suggesting changes in cell-extracellular matrix (ECM) adhesion properties and signaling. These data suggest that LOBE possesses bioactive molecules that are capable to modulated cell migration signaling, cytoskeletal dynamics and cell-ECM properties of several cell types.
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Affiliation(s)
- L Bernardi
- Basic Research Center, Dentistry School, Federal University of Rio Grande of Sul, Brazil; Department of Morphological Sciences, Institute of Basic Health Sciences, Federal University of Rio Grande do Sul, Brazil
| | - A F M Pinto
- Clayton Foundation Peptide Biology Lab, Salk Institute for Biological Studies, USA
| | - E Mendes
- Basic Research Center, Dentistry School, Federal University of Rio Grande of Sul, Brazil
| | - J R Yates
- Department of Molecular Medicine, The Scripps Research Institute, USA
| | - M L Lamers
- Basic Research Center, Dentistry School, Federal University of Rio Grande of Sul, Brazil; Department of Morphological Sciences, Institute of Basic Health Sciences, Federal University of Rio Grande do Sul, Brazil.
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El Asjadi S, Nederpel Q, Cotiuga I, Picken S, Besseling N, Mendes E, Lommerts B. Biopolymer scleroglucan as an emulsion stabilizer. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.02.035] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Casaro MC, Crisma AR, Vieira AT, Silva GHM, Mendes E, Ribeiro WR, Martins FS, Ferreira CM. Prophylactic Bifidobacterium adolescentis ATTCC 15703 supplementation reduces partially allergic airway disease in Balb/c but not in C57BL/6 mice. Benef Microbes 2018; 9:465-476. [PMID: 29633635 DOI: 10.3920/bm2017.0073] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Allergic asthma is a chronic disease mainly characterised by eosinophil inflammation and airway remodelling. Many studies have shown that the gut microbiota of allergic individuals differs from that of non-allergic individuals. Although high levels of bifidobacteria have been associated with healthy persons, Bifidobacterium adolescentis ATCC 15703, a gut bacteria, has been associated with allergic individuals in some clinical studies. The relationship between B. adolescentis ATCC 15703 and asthma or allergies has not been well elucidated, and its effect may be dependent on the host's genetic profile or disease state. To elucidate this question, we evaluated the role of preventive B. adolescentis ATCC 15703 treatment on experimental allergic airway inflammation in two genetically different mouse strains, Balb/c and C57BL/6 (B6). Balb/c mice display a greater predisposition to develop allergic responses than B6 mice. Oral preventive treatment with B. adolescentis ATCC 15703 modulated experimental allergic airway inflammation, specifically in Balb/c mice, which showed decreased levels of eosinophils in the airway. B6 mice did not exhibit any significant alterations in eosinophils but showed an increased influx of total leukocytes and neutrophils into the airway. The mechanism underlying the beneficial effects of these bacteria in experimental allergic mice may involve products of bacteria metabolism, as dead bacteria did not mimic the ability of live B. adolescentis ATCC 15703 to attenuate the influx of eosinophils into the airway. To conclude, preventive oral B. adolescentis ATCC 15703 treatment can attenuate the major characteristic of allergic asthma, eosinophil airway influx, in Balb/c but not B6 mice. These results suggest that oral treatment with this specific live bacterial strain may have therapeutic potential for the treatment of allergic airway disease, although its effect is mouse-strain-dependent.
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Affiliation(s)
- M C Casaro
- 1 Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Federal University of São Paulo, 09972-270 Diadema, SP, Brazil.,2 Institute of Biomedical Sciences, University de São Paulo, Department of Physiology and Biophysics, Av. Prof. Lineu Prestes, 1524, 05508-000 São Paulo, SP, Brazil
| | - A R Crisma
- 2 Institute of Biomedical Sciences, University de São Paulo, Department of Physiology and Biophysics, Av. Prof. Lineu Prestes, 1524, 05508-000 São Paulo, SP, Brazil
| | - A T Vieira
- 3 Institute of Biological Sciences, Department of Immunology, Federal University of Minas Gerais, 31270-901 Belo Horizonte, MG, Brazil
| | - G H M Silva
- 1 Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Federal University of São Paulo, 09972-270 Diadema, SP, Brazil.,2 Institute of Biomedical Sciences, University de São Paulo, Department of Physiology and Biophysics, Av. Prof. Lineu Prestes, 1524, 05508-000 São Paulo, SP, Brazil
| | - E Mendes
- 1 Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Federal University of São Paulo, 09972-270 Diadema, SP, Brazil
| | - W R Ribeiro
- 1 Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Federal University of São Paulo, 09972-270 Diadema, SP, Brazil
| | - F S Martins
- 4 Institute of Biological Sciences, Department of Microbiology, Federal University of Minas Gerais, Avenida Presidente Antônio Carlos 6627, C.P. 486, Pampulha-Campus, 31270-901, Belo Horizonte, MG, Brazil
| | - C M Ferreira
- 1 Institute of Environmental, Chemistry and Pharmaceutical Sciences, Department of Pharmaceutics Sciences, Federal University of São Paulo, 09972-270 Diadema, SP, Brazil
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Silva Ribeiro J, Morais S, Oliveira P, Mendes E, Botelho A, Godinho H, Vale L, Bessa A, Renca P, Santos V, Madeira N. Relationship Between Self-reported and Clinician-rated Psychopathology in Youth Psychiatric Outpatients. Eur Psychiatry 2017. [DOI: 10.1016/j.eurpsy.2017.02.083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
IntroductionPsychopathology rating scales have been widely used. Studies evaluating the congruence between self and observer-reported ratings show inconsistent results.Objectives or aimsDetermine whether there was consistency between psychopathology as assessed by patients and clinicians’ assessment in outpatients observed in the Young Adult Unit of our Psychiatry Department (Coimbra Hospital and University Centre-Portugal).MethodsSocio-demographic characterization was undertaken with young adult outpatients observed during nineteen months (1st January 2015–31st July 2016). Brief Symptom Inventory–53 items (BSI-53) and Brief Psychiatric Rating Scale (BPRS) were applied at the first clinical evaluation. Spearman correlation coefficient between General Severity Index (GSI) of BSI-53 and BPRS total score was calculated.ResultsDuring the mentioned interval 255 outpatients were observed: 64.3% females and 35.7% males; aged between 17 and 39 years old (average: 20.56; median: 20). Fifty percent were diagnosed with neurotic, stress-related and somatoform disorders (ICD-10 F40-48) and 14.1% with mood disorders (ICD-10 F30-39). BPRS and BSI-53 rating scales were administered to 55 patients: 72.5% females and 27.5% males; average age 21.2. A statistical significant correlation was found between BPRS total and GSI score.ConclusionsSeveral factors can determine the accuracy of psychopathology self-assessment, including diagnosis and severity of illness. In fact, studies show strong correlation between self and observer assessment of depressive and anxious psychopathology, but no correlation in psychotic psychopathological dimensions. Therefore, the correlation found in this population can be explained by the fact that the majority of patients were diagnosed with neurotic, stress-related and somatoform and mood disorders.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Morais S, Silva Ribeiro J, Oliveira P, Mendes E, Botelho A, Godinho H, Vale L, Bessa A, Renca P, Santos V, Madeira N. Socio-demographic and clinic characterization in youth psychiatric outpatients: An observational study. Eur Psychiatry 2017. [DOI: 10.1016/j.eurpsy.2017.01.1228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
IntroductionMost mental disorders begin during adolescence and early adulthood (18–24-years-old), highlighting the importance of understanding the onset and progression of mental disorders among youths. Although progress has been made, namely by creating youth mental health transition services, gaps continue to exist. Locally, our recently constituted young adults unit aimed to minimize discontinuities in care.Objectives/aimsTo characterize a population of young adult psychiatric outpatients, regarding socio-demographic and clinic variables.MethodsSocio-demographic and clinic characterization of young adult psychiatric outpatients observed during 1st January 2015–30th July 2016.ResultsTwo hundred and fifty-five outpatients were observed: 64.3% females and 35.7% males, average age 20.56-years-old (median 20). Most lived in urban areas (59.4%), with their parents (27.8%), were students (80.4%), attending secondary school (36.1%). A total of, 27.5% were referenced by an emergency department, and adjustment disorders (ICD-10 F43.2) were the most frequent diagnosis (21.6%). Regarding suicidal behaviours and self-harm, 9.8% did self-cutting. A vast majority did not have previous psychiatric hospitalizations–only 5.9% outpatients had at least one. In total, 39.8% were medicated with antidepressants (1/3 of which in association with other drugs), and about 38.8% received cognitive-behavioural interventions. About 2/3 of patients (66.3%) remained in care and only about 1/6 (15.7%) were discharged.ConclusionsOur typical youth psychiatric outpatient was of female gender, student, living with its parents. Adjustment disorders were the most frequent diagnosis, and antidepressants were the main psychopharmacologic option, often combined with other psychotropic drugs. In the future, psychotherapy interventions should be more widely available, namely group psychotherapy.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Morais S, Silva Ribeiro J, Oliveira P, Mendes E, Botelho A, Godinho H, Vale L, Bessa A, Renca P, Santos V, Madeira N. Substance use among youth psychiatric outpatients. Eur Psychiatry 2017. [DOI: 10.1016/j.eurpsy.2017.01.1750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
IntroductionPortuguese young adults (15–34 years old) were more frequent engaged in substance abuse (1.2%) than the general population, according to the Portuguese substance use annual report (2014). Alcohol was the most frequent substance use on youth adults. Cannabis was the most frequent illicit substance used (23.9% of users were considered dependent), with higher prevalence than previously reported. LSD (0.4%) use was also higher among young adults than in previous studies. Cocaine (0.4%), heroine/opiates (0.4%), ecstasy (0.3%), and hallucinogenic mushrooms (1.1%) had their consumption lowered among young adults.Objectives/aimsTo characterize a population of young adult psychiatric outpatients, regarding substance use and associated risk.MethodsSocio-demographic characterization of our young adult unit outpatient users between 1st January 2015–31st July 2016. Substance use was assessed with the Portuguese version of Alcohol, Smoking and Substance Involvement Screening Test (ASSIST).ResultsA total of 255 outpatients were observed during the timeframe; 58 outpatients were assessed with ASSIST: 44 females (75.9%) and 14 males (24.1%), aged between 16–33 years old (average: 20.95; median: 19.50). For tobacco, 3.5% had high risk, 37.9% moderate risk and 58.6% low risk; 22.4% had moderate risk of alcohol, 13.8% moderate risk of cannabis, and 20.7% moderate risk of tranquilizers. For others substances (cocaine, stimulants, inhalants, hallucinogens, and opiates) the risk was low.ConclusionsIn our sample, alcohol and cannabis use had the highest risk, as reported in the National Annual Report; however, we observed a moderate risk for tranquilizers use. In future care planning, youth mental health should address tobacco and alcohol abstinence, and preventive measures regarding anxiolytics should be undertaken, such as banning sale without medical prescription.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Jennings L, Glazer P, Laan AC, de Kruijff RM, Waton G, Schosseler F, Mendes E. The role of confinement and corona crystallinity on the bending modulus of copolymer micelles measured directly by AFM flexural tests. Soft Matter 2016; 12:7324-7329. [PMID: 27506248 DOI: 10.1039/c6sm00983b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We present an approach which makes it possible to directly determine the bending modulus of single elongated block copolymer micelles. This is done by forming arrays of suspended micelles onto microfabricated substrates and by performing three-point bending flexural tests, using an atomic force microscope, on their suspended portions. By coupling the direct atomic force microscopy measurements with differential scanning calorimetry data, we show that the presence of a crystalline corona strongly increases the modulus of the copolymer elongated micelles. This large increase suggests that crystallites in the corona are larger and more uniformly oriented due to confinement effects. Our findings together with this hypothesis open new interesting avenues for the preparation of core-templated polymer fibres with enhanced mechanical properties.
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Affiliation(s)
- L Jennings
- Institut Charles Sadron (UPR22-CNRS), 23 Rue du Loess, 67034 Strasbourg Cedex 2, France.
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Wang G, de Kruijff RM, Abou D, Ramos N, Mendes E, Franken LE, Wolterbeek HT, Denkova AG. Pharmacokinetics of Polymersomes Composed of Poly(Butadiene-Ethylene Oxide); Healthy versus Tumor-Bearing Mice. J Biomed Nanotechnol 2016; 12:320-8. [PMID: 27305765 DOI: 10.1166/jbn.2016.2178] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Vesicles composed of block copolymers (i.e., polymersomes) are one of the most versatile nano-carriers for medical purposes due to their tuneable physicochemical properties and the possibility to encapsulate simultaneously hydrophobic and hydrophilic substances, allowing, for instance, the combination of therapy and imaging. In cancer treatment, these vesicles need to remain long enough in the blood stream to be sufficiently taken up by tumors. Here, we have investigated the biodistribution and the pharmacokinetics of polymersomes, composed of poly(butadiene-b-ethylene oxide) having dimensions around 80 nm. The polymersomes have been radiolabeled with ¹¹¹In via the so-called active loading method achieving a loading efficiency of 92.9 ± 0.9% with radionuclide retention in mouse serum of more than 95% at 24 h. The optimized ¹¹¹In containing polymersomes have been intravenously administered in healthy and tumor bearing mice for pharmacokinetic determination using microSPECT (Single Photon Emission Computed Tomography). In healthy mice these polymersomes have been found to exhibit relatively long blood circulation (> 6 h), low liver uptake (6 ± 1.5%ID/g, 48 h p.i.) and elevated spleen uptake (188 ± 30%ID/g). The blood circulation in tumor bearing mice is dramatically reduced (< 1.5 h) most likely due to elevated splenic filtration, clearly indicating the importance of in vivo studies in diseased mice. Finally, the polymersomes have been injected subcutaneously in tumor bearing mice revealing retention of 77% in the mice, primarily accumulated at the site of injection, up to 48 hours after administration.
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Jennings L, Ivashchenko O, Marsman IJC, Laan AC, Denkova AG, Waton G, Beekman FJ, Schosseler F, Mendes E. In vivo biodistribution of stable spherical and filamentous micelles probed by high-sensitivity SPECT. Biomater Sci 2016; 4:1202-11. [PMID: 27286085 DOI: 10.1039/c6bm00297h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Understanding how nanoparticle properties such as size, morphology and rigidity influence their circulation time and biodistribution is essential for the development of nanomedicine therapies. Herein we assess the influence of morphology on cellular internalization, in vivo biodistribution and circulation time of nanocarriers using polystyrene-b-poly(ethylene oxide) micelles of spherical or elongated morphology. The glassy nature of polystyrene guarantees the morphological stability of the carriers in vivo and by encapsulating Indium-111 in their core, an assessment of the longitudinal in vivo biodistribution of the particles in healthy mice is performed with single photon emission computed tomography imaging. Our results show prolonged blood circulation, longer than 24 hours, for all micelle morphologies studied. Dynamics of micelle accumulation in the liver and other organs of the reticuloendothelial system show a size-dependent nature and late stage liver clearance is observed for the elongated morphology. Apparent contradictions between recent similar studies can be resolved by considering the effects of flexibility and degradation of the elongated micelles on their circulation time and biodistribution.
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Affiliation(s)
- L Jennings
- Institut Charles Sadron (CNRS), University of Strasbourg, Strasbourg, France.
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Ribeiro JS, Morais S, Mendes E, Botelho A, Helena G, Luísa V, Aida B, Madeira N. Depressive and Anxiety Symptoms In Youth Mental Health Outpatients: An Observational Study. Eur Psychiatry 2016. [DOI: 10.1016/j.eurpsy.2016.01.1782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
IntroductionThere is an increased risk to develop mental disorder during adolescence and early adulthood. Given this vulnerability, and in order to facilitate the transition from child and adolescent to adult mental health services, specific services for this age group have been developed in the last years, focusing on accessibility and early referral of young mental patients. Our Psychiatry Department (Coimbra Hospital and University Centre, Portugal) created a specific unit for young adults in order to provide better care, in accordance with the specificities of this subpopulation. The team consists of psychiatrists, psychiatry residents, nurses and a clinical psychologist. Referred patients are under 20 years old, presenting clinically relevant psychopathology or behavior disturbances.Objectives/aimsWe aimed to characterize help-seeking outpatients regarding socio-demographic variables and its relation to depressive and anxiety symptoms.MethodsSocio-demographic characterization was undertaken with young adult psychiatric outpatients observed during eleven months (1st January to 30th November 2015). Multivariate analyses were performed to identify a relationship among socio-demographic and psychopathology variables (assessed with the Portuguese version of Brief Symptom Inventory–53 itens).Results/conclusionsOne hundred and sixty-two outpatients were observed: 97 females (59,9%) and 65 males (40,1%), ages between 17 and 31 years old (average: 19,9; median: 20). We found a positive correlation between depressive and anxiety symptoms and the education level. A negative correlation was found between depressive and anxiety symptoms and male gender and presence of mental illness in the family.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Torrinha A, Gomes F, Oliveira M, Cruz R, Mendes E, Delerue-Matos C, Casal S, Morais S. Commercial squids: Characterization, assessment of potential health benefits/risks and discrimination based on mineral, lipid and vitamin E concentrations. Food Chem Toxicol 2014; 67:44-56. [DOI: 10.1016/j.fct.2014.02.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 01/21/2014] [Accepted: 02/11/2014] [Indexed: 12/11/2022]
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Vandenhaute M, Schelfhout J, Van Vlierberghe S, Mendes E, Dubruel P. Cross-linkable, thermo-responsive Pluronic® building blocks for biomedical applications: Synthesis and physico-chemical evaluation. Eur Polym J 2014. [DOI: 10.1016/j.eurpolymj.2014.01.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Wang G, de Kruijff R, Rol A, Thijssen L, Mendes E, Morgenstern A, Bruchertseifer F, Stuart M, Wolterbeek H, Denkova A. Retention studies of recoiling daughter nuclides of 225Ac in polymer vesicles. Appl Radiat Isot 2014; 85:45-53. [DOI: 10.1016/j.apradiso.2013.12.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 12/05/2013] [Accepted: 12/05/2013] [Indexed: 10/25/2022]
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Mendes E, Renca S, Lagarto L, Santo S. EPA-1693 – Childhood maltreatment and young adult psychopathology: is gender relevant? Eur Psychiatry 2014. [DOI: 10.1016/s0924-9338(14)78836-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Lagarto L, Renca S, Mendes E, Cabral A, Cerejeira J. EPA-1736 – Is the MMSE a useful bedside exam in old age liaison psychiatry. Eur Psychiatry 2014. [DOI: 10.1016/s0924-9338(14)78869-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Renca S, Brás Marques I, Mendes E, Lagarto L, Santos G. EPA-1360 – Hashimoto's encephalopathy presenting with neuropsychiatric symptoms. Eur Psychiatry 2014. [DOI: 10.1016/s0924-9338(14)78572-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Gelev S, Toshev S, Trajceska L, Pavleska S, Selim G, Dzekova P, Shikole A, Gelev S, Toshev S, Trajceska L, Pavleska S, Selim G, Dzekova P, Shikole A, Ulu SM, Yilmaz F, Ahsen A, Akci A, Yuksel S, Mihaescu A, Olariu N, Avram C, Schiller O, Schiller A, Xiao DM, Niu JY, Gu Y, Drechsler C, van den Broek H, Vervloet M, Hoekstra T, Dekker F, Ketteler M, Brandenburg V, Turkvatan A, Kirkpantur A, Mandiroglu S, Afsar B, Seloglu B, Alkis M, Erkula S, GURBUZ H, Serin M, CALIK Y, Mandiroglu F, Balci M, Choi BS, Choi SR, Park HS, Hong YA, Chung BH, Kim YS, Yang CW, Kim YS, Park CW, Jung JY, Sung JY, Kim AJ, Kim HS, Lee C, Ro H, Chang JH, Lee HH, Chung W, Sezer S, Bal Z, Tutal E, Bal U, Erkmen Uyar M, Ozdemir Acar N, Karakas Y, Sahin G, Urfali F, Bal C, Akcar Degirmenci N, Sirmagul B, Janda K, Krzanowski M, Dumnicka P, Kusnierz-Cabala B, Sulowicz W, Balci M, Kirkpantur A, Mandiroglu S, Afsar B, Seloglu B, Alkis M, Serin M, CALIK Y, Erkula S, GURBUZ H, Mandiroglu F, Turkvatan A, Valtuille RA, Gonzalez MS, Casos ME, Yoshida T, Yamashita M, Hayashi M, Raikou VD, Tentolouris N, Makropoulos I, Kaisidis P, Boletis JN, Abdalla AA, Roche D, Forbes JF, Hannigan A, Hegarty A, Cronin CJ, Casserly LF, Stack AG, Guinsburg A, Raimann JG, Usvyat L, Kooman J, Marelli C, Etter M, Marcelli D, Levin NW, Kotanko P, Kim CS, Choi JS, Bae EH, Ma SK, Kim SW, Ryu JH, Lee S, Ryu DR, Kim SJ, Kang DH, Choi KB, Shoji T, Tsuchikura S, Shimomura N, Kakiya R, Tsujimoto Y, Tabata T, Emoto M, Nishizawa Y, Inaba M, Selim G, Stojceva-Taneva O, Tozija L, Georgievska-Ismail L, Gelev S, Dzekova-Vidimliski P, Trajceska L, Petronievic Z, Sikole A, Wu CJ, Pan CF, Chen HH, Lin CJ, Kim Y, Kim JK, Song YR, Kim SG, Kim HJ, Kuwahara M, Bannai K, Kikuchi K, Yamato H, Segawa H, Miyamoto KI, De Mauri A, Chiarinotti D, Ruva CE, David P, Capurro F, De Leo M, Han JH, Kim HR, Ko KI, Kim CH, Koo HM, Doh FM, Lee MJ, Oh HJ, Han SH, Yoo TH, Choi KH, Kang SW, Shibata K, Sohara H, Kuji T, Kawata S, Kogudhi N, Nishihara M, Satta H, Jung JY, Ro H, Lee C, Kim SM, Kim AJ, Kim HS, Chang JH, Lee HH, Chung W, Kramann R, Erpenbeck J, Becker M, Brandenburg V, Kruger T, Marx N, Floege J, Schlieper G, Power A, Fogarty D, Wheeler D, Kerschbaum J, Schwarz CP, Mayer G, Prajitno CW, Matsuzawa R, Matsunaga A, Ishii A, Abe Y, Yoneki K, Harada M, Takagi Y, Yoshida A, Takahira N, Sirch J, Pfeiffer S, Fischlein T, El-Nahid MS, Issac MS, Bal Z, Tutal E, Bal U, Erkmen Uyar M, Guliyev O, Sayin B, Sezer S, Bajari T, Hermann M, Gmeiner B, Regele H, Aumayr K, Gensberger ET, Scharrer S, Sengoge G, Novo A, Tania S, Anes E, Domingues A, Mendes E, Batista G, Viana J, Rroji M, Cafka M, Seferi S, Seiti J, Petrela E, Likaj E, Thereska N, Selim G, Stojceva-Taneva O, Tozija L, Georgievska-Ismail L, Gelev S, Dzekova-Vidimliski P, Trajceska L, Petronievic Z, Sikole A, Turkmen K, Ozcicek F, Erdur F, Turk S, Yeksan M, Tonbul H, Castellano S, Palomares I, Merello JI, Mandiroglu S, Torkvatan A, Balci M, Seloglu B, Alkis M, Serin M, Erkula S, Gurbuz H, Calik Y, Afsar B, Mandiroglu F, Kirkpantur A, Ulusal Okyay G, Okyay K, Polattas Solak E, Sahinaslan A, Pasaoglu O, Ayerden Ebinc F, Boztepe Derici U, Sindel S, Arinsoy T, Lee YK, Son SY, Choi MJ, Lee SM, Yoon JW, Koo JR, Noh JW, Vaziri ND, Matias P, Amaral T, Ferreira AC, Mendes M, Azevedo A, Jorge C, Aires I, Gil C, Ferreira A, Carretero Dios D, Merello Godino JI, Moran Risco JE, Castellano Gasch S, Schwermer K, Hoppe K, Klysz P, Radziszewska D, Sikorska D, Nealis J, Polcyn-Adamczak M, Zaremba-Drobnik D, Pawlaczyk K, Oko A, Mentese A, Yavuz A, Karahan C, Sumer A, Ozkan G, Ulusoy S, Yildiz G, Duman A, Aydin H, Yilmaz A, Hur E, Magden K, Cetin G, Candan F, Franczyk-Skora B, Gluba A, Kowalczyk M, Banach M, Rysz J, Novo A, Domingues A, Preto L, Sousa T, Mendes E, Batista G, Vaz J, Oue M, Kuragano T, Hamahata S, Fukao W, Toyoda K, Nakanishi T, Otsubo S, Tsuchiya K, Akiba T, Nitta K, Afsar B, Saglam M, Yuceturk C, Agca E, Tosic J, Djuric Z, Popovic J, Buzadzic I, Djuric P, Jankovic A, Dimkovic N, Simone S, Dell'Oglio MP, Ciccone M, Castellano G, Corciulo R, Balestra C, Giangrande M, Gigante M, Grandaliano G, Gesualdo L, Pertosa GP, Mohamed EA, Marouane B, Mohamed Reda EF, Aziz R, Hicham B, Youssef B, Abdennasser EK, Salaheddine T, Mohammed A, Hwang JC, Jiang MY, Lu YH, Wang CT, Grzegorzewska A, Cieszynski K, Niepolski L, Sowinska A, Abdallah E, Al-Helal B, Waked E, Abdel-Khalik A, Nabil M, El-Shanawany F, Tekce H, Kursat S, Bahadir Colak H, Aktas G, Ozcicek A, Turkmen K, Ozcicek F, Akbas E, Demirtas L, Ozbicer A, Cetinkay R, Capoglu I, Valocikova I, Valocik G, Vachalcova M, Kolesarova E, Nowak A, Friedrich B, Artunc F, Serra A, Breidthardt T, Twerenbold R, Peter M, Potocki M, Muller C. Cardiovascular complications in CKD 5D. Nephrol Dial Transplant 2013. [DOI: 10.1093/ndt/gft147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Mendes E, Piletti R, Barichello T, Oliveira C, Kniess C, Angioletto E, Riella H, Fiori M. The influence of particle size and AgNO3 concentration in the ionic exchange process on the fungicidal action of antimicrobial glass. Materials Science and Engineering: C 2012; 32:1518-23. [DOI: 10.1016/j.msec.2012.04.035] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2011] [Revised: 12/27/2011] [Accepted: 04/20/2012] [Indexed: 10/28/2022]
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Molaei M, Ataie A, Raygan S, Picken S, Mendes E, Tichelaar F. Synthesis and characterization of BaFe12O19/Fe3O4 and BaFe12O19/Fe/Fe3O4 magnetic nano-composites. POWDER TECHNOL 2012. [DOI: 10.1016/j.powtec.2012.01.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Laureano M, Lagarto L, Mendes E, Cerejeira J. P-1051 - Psychopathological subsyndromes in acute psychiatric disorders: a factor analysis. Eur Psychiatry 2012. [DOI: 10.1016/s0924-9338(12)75218-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Pereira S, Santos Z, Mendes E, Renca S, Polido F, Mendes F, Domingues O, Toledo L. P-622 - Socio-demographic and clinical differences according to gender in psychiatric inpatients. Eur Psychiatry 2012. [DOI: 10.1016/s0924-9338(12)74789-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Mendes E, Conocar O, Laplace A, Douyère N, Miguirditchian M. Assessment of the Complete Core of the Reference Pyrochemical Process, Developed by the CEA. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.proche.2012.10.120] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Kulichikhin VG, Makarova VV, Tolstykh MY, Picken SJ, Mendes E. Structural evolution of liquid-crystalline solutions of hydroxypropyl cellulose and hydroxypropyl cellulose-based nanocomposites during flow. Polym Sci Ser A 2011. [DOI: 10.1134/s0965545x11090070] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Cunha S, Almeida C, Mendes E, Fernandes J. Simultaneous determination of bisphenol A and bisphenol B in beverages and powdered infant formula by dispersive liquid–liquid micro-extraction and heart-cutting multidimensional gas chromatography-mass spectrometry. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2011; 28:513-26. [DOI: 10.1080/19440049.2010.542551] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Mendes E, Herdeiro M, Figueiras A, Pimentel F. Portuguese physicians’ attitudes towards the use of herbal complementary and alternative medicines in oncology. Eur J Integr Med 2010. [DOI: 10.1016/j.eujim.2010.09.095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Mateus M, Henriques M, Mendes E. Quantification of trace metals in sweeteners available in Portuguese market. Toxicol Lett 2010. [DOI: 10.1016/j.toxlet.2010.03.936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Mendes E, Herdeiro M, Figueiras A, Pimentel F. Portuguese physician and pharmacist attitudes towards the use of herbal complementary and alternative medicines in oncology. Eur J Integr Med 2009. [DOI: 10.1016/j.eujim.2009.08.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Souček P, Cassayre L, Malmbeck R, Mendes E, Jardin R, Glatz JP. Electrorefining of U-Pu-Zr-alloy fuel onto solid Aluminium cathodes in molten LiCl-KCl. RADIOCHIM ACTA 2009. [DOI: 10.1524/ract.2008.1493] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
An electrorefining process in molten chloride salts using solid aluminium cathodes is being developed at ITU to recover actinides (An) from the spent nuclear fuel. The maximum possible loading of aluminium electrodes with actinides was investigated during the electrorefining of U-Pu-Zr alloy in a LiCl-KCl eutectic at 450 °C. Two different electrolytic techniques were applied during the experiment and almost 6000 C has been passed, corresponding to 3.7 g of deposited actinides. A very high capacity of aluminium to retain actinides has been proven as the average Al: An mass ratio was 1:1.58 for galvanostatic and 1:2.25 for potentiostatic mode. The obtained deposits were characterized by XRD and SEM-EDX analysis and alloys composed of (U,Pu)Al3 were detected. The influence of zirconium co-oxidation during the process was also investigated and the presence of dissolved Zr ions in the melt yielded a significant deterioration of the quality of the deposit.
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Denkova AG, Mendes E, Coppens MO. Kinetics and Mechanism of the Sphere-to-Rod Transition of Triblock Copolymer Micelles in Aqueous Solutions. J Phys Chem B 2009; 113:989-96. [DOI: 10.1021/jp807513k] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- A. G. Denkova
- DelftChemTech, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and Howard P. Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy New York, 12180
| | - E. Mendes
- DelftChemTech, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and Howard P. Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy New York, 12180
| | - M.-O. Coppens
- DelftChemTech, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and Howard P. Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy New York, 12180
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Dantas EHM, Marques Gomes AL, da Silva IAS, Mendes E, Guimarães M, Filho JF, Roquete P. Energy Demands of Training Methods: Intervaled, Intermittent and Action of the Game for Hormones Markers - Testosterone and Cortisol in Brazilian Professional Soccer Players. Med Sci Sports Exerc 2008. [DOI: 10.1249/01.mss.0000322643.33238.d2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Denkova AG, Mendes E, Coppens MO. Effects of Salts and Ethanol on the Population and Morphology of Triblock Copolymer Micelles in Solution. J Phys Chem B 2008; 112:793-801. [DOI: 10.1021/jp075114c] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- A. G. Denkova
- DelftChemTech, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180
| | - E. Mendes
- DelftChemTech, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180
| | - M.-O. Coppens
- DelftChemTech, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180
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Affiliation(s)
- Isabel M. P. L. V. O. Ferreira
- a REQUIMTE, Serviço de Bromatologia, Faculdade de Farmácia , Universidade do Porto , R. Aníbal Cunha 164, 4050‐047 , Porto , Portugal
| | - E. Mendes
- a REQUIMTE, Serviço de Bromatologia, Faculdade de Farmácia , Universidade do Porto , R. Aníbal Cunha 164, 4050‐047 , Porto , Portugal
| | - M. Beatriz P. P. Oliveira
- a REQUIMTE, Serviço de Bromatologia, Faculdade de Farmácia , Universidade do Porto , R. Aníbal Cunha 164, 4050‐047 , Porto , Portugal
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Ferreira IMPLVO, Nunes MV, Mendes E, Remião F, Ferreira MA. Development of An HPLC-UV Method for Determination of Taurine in Infant Formulae and Breast Milk. J LIQ CHROMATOGR R T 2006. [DOI: 10.1080/10826079708010975] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
| | | | | | - F. Remião
- b Laboratório de Bromatologia Laboratório de Toxicologia Faculdade de Farmácia, Universidade do Porto Rua Aníbal Cunha , 164 4050, Porto, Portugal
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Knijnenberg A, Weiser ES, StClair TL, Mendes E, Dingemans TJ. Synthesis and Characterization of Aryl Ethynyl Terminated Liquid Crystalline Oligomers and Their Cured Polymers. Macromolecules 2006. [DOI: 10.1021/ma060441o] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- A. Knijnenberg
- Fundamentals of Advanced Materials Group, Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, 2629 HS Delft, The Netherlands, Section Nanostructured Materials, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and NASA Langley Research Center, 6 West Taylor Street, Mail Stop 226, Hampton, Virginia 23681-0001
| | - E. S. Weiser
- Fundamentals of Advanced Materials Group, Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, 2629 HS Delft, The Netherlands, Section Nanostructured Materials, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and NASA Langley Research Center, 6 West Taylor Street, Mail Stop 226, Hampton, Virginia 23681-0001
| | - T. L. StClair
- Fundamentals of Advanced Materials Group, Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, 2629 HS Delft, The Netherlands, Section Nanostructured Materials, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and NASA Langley Research Center, 6 West Taylor Street, Mail Stop 226, Hampton, Virginia 23681-0001
| | - E. Mendes
- Fundamentals of Advanced Materials Group, Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, 2629 HS Delft, The Netherlands, Section Nanostructured Materials, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and NASA Langley Research Center, 6 West Taylor Street, Mail Stop 226, Hampton, Virginia 23681-0001
| | - T. J. Dingemans
- Fundamentals of Advanced Materials Group, Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, 2629 HS Delft, The Netherlands, Section Nanostructured Materials, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and NASA Langley Research Center, 6 West Taylor Street, Mail Stop 226, Hampton, Virginia 23681-0001
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Vlasveld D, Groenewold J, Bersee H, Mendes E, Picken S. Analysis of the modulus of polyamide-6 silicate nanocomposites using moisture controlled variation of the matrix properties. POLYMER 2005. [DOI: 10.1016/j.polymer.2005.04.087] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Viale S, Best AS, Mendes E, Picken SJ. Formation of aqueous molecular nematic liquid crystal phase in poly(p-sulfophenylene sulfoterephthalamide). Chem Commun (Camb) 2005:1528-30. [PMID: 15770248 DOI: 10.1039/b416723f] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
We report strong experimental evidence on the formation of a molecular lyotropic phase in water of a modified polyaramide, namely a fully sulfonated poly(p-phenylene terephthalamide) (Sulfo2PPTA) that exhibits similar liquid crystalline behaviour in water to its non-sulfonated counterpart (PPTA, commercially known as Kevlar or Twaron) in sulfuric acid.
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Affiliation(s)
- S Viale
- Section Polymer Materials and Engineering, Delft University of Technology, Julianalaan 136, 2628 BL, Delft, The Netherlands
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David-Neto E, Pereira LM, Castro MCR, Ventura CG, Mattos RM, Sumita NM, Mendes E, Romano P, Nahas WC, Ianhez LE. C2 MONITORING FOR TACROLIMUS, MPA AND CYA. A SINGLE APPROACH FOR THERAPEUTIC DRUG MONITORING. Transplantation 2004. [DOI: 10.1097/00007890-200407271-00739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Casal S, Mendes E, Fernandes JO, Oliveira MBPP, Ferreira MA. Analysis of heterocyclic aromatic amines in foods by gas chromatography–mass spectrometry as their tert.-butyldimethylsilyl derivatives. J Chromatogr A 2004; 1040:105-14. [PMID: 15248430 DOI: 10.1016/j.chroma.2004.03.054] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
A derivatization method for the analysis of 12 heterocyclic aromatic amines (HAs) in food, by gas chromatography-electron impact mass spectrometry, was developed. The amines are derivatized in a one-step reaction with N-methyl-N-(tert.-butyldimethylsilyl)trifluoroacetamide. The derivatives are characterized by easy-to-interpret mass spectra due to the prominent ion [M-57]+ by loss of a tert.-butyldimethylsilyl group, allowing quantification in the selected-ion monitoring mode at the picogram level. The effect of temperature, time, and reagents on the formation of the derivatives was monitored in detail. Quality parameters were evaluated in the optimum working conditions. This derivatization method is not applicable to the pyridoimidazoles Glu-P-1 and Glu-P-2 and to the beta-carboline harman due to incompletely derivatization. The instability of the imidazolquinoline and imidazoquinoxaline derivatives, requiring their injection on the same working day, is a further drawback. This simple, rapid and accurate derivatization procedure is suitable for routine analysis, as illustrated by the analysis of some common foods.
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Affiliation(s)
- S Casal
- REQUIMTE, Serviço de Bromatología, Faculdade de Farmácia da Universidade do Porto, Rua Aníbal Cunha, 164, 4099-030 Porto, Portugal.
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Abstract
We develop a micropipette rheometer to study the effect of oscillatory shear flow on the spontaneous fluctuations of phospholipid bilayers. Our results on giant vesicles show that oscillatory shear flow leads to a suppression of membrane fluctuations. They also imply that the Helfrich equation is modified in the presence of the flow. This equation, a fundamental constitutive relation between the amount of area stored in the fluctuations and the membrane tension, must be supplemented under oscillatory shear by a flow excess function that we determine.
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Affiliation(s)
- N Fa
- LDFC-CNRS UMR 7506, 4 rue Blaise Pascal, 67070 Strasbourg, France
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