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A student's t-test was applied in carbon nanospheres synthesis from cis-1,4-polyisoprene considering the green chemical principles. The synthesis was carried out by Chemical Vapor Deposition method with a quartz tube reactor using an AISI 304 steel bar as catalyst. It was possible to obtain two types of different samples, one from the surface of the steel bar (catalyst) and another from the quartz tube surface (without catalyst) in the same experiment. Carbon spheres were observed in both samples by micrographs obtained by FESEM. The Raman and FTIR spectroscopies shown characteristic bands of this carbon structures (G and D). The results obtained by student's t-test proved a statistical significance between spheres means of samples collected from steel bar and quartz tube surface.
Neurocognitive impairment is a core feature of schizophrenia and is closely associated with functional outcome. The importance of cognitive assessment is broadly accepted today, and an easy-to-use, internationality validated cognitive assessment tool is needed by researchers and in daily clinical practice. The Brief Assessment of Cognition in Schizophrenia (BACS) has been validated in English, French, Japanese and Italian. It is as sensitive to cognitive dysfunction as a standard test battery, with the advantage of requiring less than 35 minutes to complete. In our study, we tested the psychometric characteristics of a Spanish version of the BACS in 117 patients with schizophrenia-spectrum disorders and 36 healthy controls. All BACS cognitive subtests discriminated between patients and controls (P < .001), and the concurrent validity between the BACS and a traditional neuropsychological test battery was similar to that reported in other languages. We conclude that the BACS can facilitate the comparison of the cognitive performance of patients with schizophrenia in many different countries.
During gestation and maternal behavior, some physiological events can protect the dam and offspring, but explanations for such phenomena are partially unknown. The effects of stress during prenatal development and infancy can be studied in controlled laboratory conditions.
To determine the pre- and postnatal effects of stress on coping strategies in weanling rats subjected to the open field and forced swim tests after their dams are subjected to stress during gestation.
Rats aged 21 postnatal days (PND) were assigned to either a Control group (n = 36; offspring from intact dams during gestation) or a Prenatal stress group (n = 36; offspring from dams forced to swim during 5 min sessions on gestational days 1, 7, 14, and 19). Both groups were tested in the open field to evaluate locomotor activity and rearing. In another experiment, PND21 intact rats assigned to a Control group (n = 26) or Postnatal stress group (n = 35) were subjected to restraint stress for 6 min prior to the tests and were later evaluated in the forced swim test.
Locomotor activity (p < 0.026) and rearing (p < 0.001) were lower in the Prenatal stress group compared with the Control group. The latency to first immobility was shorter (p < 0.008), and the total immobility time was longer (p < 0.005) in the Postnatal stress group than Control group.
Stress exposure during gestation produces detectable changes during weanling, consisting of reduced exploratory activity and susceptibility to despair.
Bipolar disorder and alcohol use disorder (AUD) have a high rate of comorbidity, more than 50% of individuals with bipolar disorder also receive a diagnosis of AUD in their lifetimes. Although both disorders are heritable, it is unclear if the same genetic factors mediate risk for bipolar disorder and AUD. We examined 733 Costa Rican individuals from 61 bipolar pedigrees. Based on a best estimate process, 32% of the sample met criteria for bipolar disorder, 17% had a lifetime AUD diagnosis, 32% met criteria for lifetime nicotine dependence, and 21% had an anxiety disorder. AUD, nicotine dependence and anxiety disorders were relatively more common among individuals with bipolar disorder than in their non-bipolar relatives. All illnesses were shown to be heritable and bipolar disorder was genetically correlated with AUD, nicotine dependence and anxiety disorders. The genetic correlation between bipolar and AUD remained when controlling for anxiety, suggesting that unique genetic factors influence the risk for comorbid bipolar and AUD independent of anxiety. Our findings provide evidence for shared genetic effects on bipolar disorder and AUD risk. Demonstrating that common genetic factors influence these independent diagnostic constructs could help to refine our diagnostic nosology.
The start of Child and Adolescent attention to gender dysphoria is very recent. In our Unit, it has objectified a growing increase in such demand over recent years.
As a typical example would be a patient of 13 years following gender dysphoria begins to present school failure and behavior problems at home with emotional instability.
According to the recommendations of the Group Identity and Sexual Differentiation (GIDSEEN) after early detection is to guide parents towards a comprehensive treatment at a specialized interdisciplinary teams and a psychosocial approach to improve the quality of life, decrease mental comorbidity and gender dysphoria own. Having no such care in our community has been necessary to make a referral to another community to attend this demand.
Currently it is giving adequate attention to these cases, but except for referral to another community. However, as we are seeing progression care in our area in the future could be feasible. Therefore, we consider as a first step dysphoria quantify each case in our area.
Disclosure of interest
The authors have not supplied their declaration of competing interest.
Various medical and psychiatric conditions can determine the occurrence of disruptive behavior and aggression. Mechanical restraint is part of the strategies for managing these risks. Its use implies a multidisciplinary, phased and individualized for each case strategy, with attention to the ethical and legal issues surrounding this coercive intervention.
The objective of this work is the analysis of the profile of patients who required mechanical restraint during hospitalization in a psychiatric inpatient unit.
Retrospective descriptive analysis by collecting data of patients, who required mechanical restraint during admission, between 2007 and 2014. The data sources were medical clinical history and nursing records. Variables analyzed were sex, age, clinical diagnosis at discharge and clinical state during the episode of mechanical restraint.
Of the total sample of patients requiring restraint (n = 266), 66.92% were men. The mean age of patients was 38.01 years. Distribution of clinical diagnoses based on ICD-10 coding: 30.23% F60 personality disorder (n = 289), 19.56% diagnosed with F31 bipolar disorder (n = 187) and 14.02% F20 schizophrenia. Regarding the clinical characteristics of the episode, 49.47% of patients had an agitation/violent state and in 23.11% risk of impulsive self-injury was evident, 13.47% had confusional syndrome.
Data analyzed shows differences in frequency distribution because of patient profile and clinical diagnosis. Otherwise, organizational factors and appropriate amendments to this level appear to play a key role in minimizing the use of such coercive measures.
Disclosure of interest
The authors have not supplied their declaration of competing interest.
Social cognition has been associated with functional outcome in patients with first episode psychosis (FEP). Social cognition has also been associated with neurocognition and cognitive reserve. Although cognitive reserve, neurocognitive functioning, social cognition, and functional outcome are related, the direction of their associations is not clear. Therefore, the main aim of this study was to analyze the influence of social cognition as a mediator between cognitive reserve and cognitive domains on functioning in FEP both at baseline and at 2 years.
The sample of the study was composed of 282 FEP patients followed up for 2 years. To analyze whether social cognition mediates the influence of cognitive reserve and cognitive domains on functioning, a path analysis was performed. The statistical significance of any mediation effects was evaluated by bootstrap analysis.
At baseline, as neither cognitive reserve nor the cognitive domains studied were related to functioning, the conditions for mediation were not satisfied. Nevertheless, at 2 years of follow-up, social cognition acted as a mediator between cognitive reserve and functioning. Likewise, social cognition was a mediator between verbal memory and functional outcome. The results of the bootstrap analysis confirmed these significant mediations (95% bootstrapped CI (−10.215 to −0.337) and (−4.731 to −0.605) respectively).
Cognitive reserve and neurocognition are related to functioning, and social cognition mediates in this relationship.
This chapter addresses a special category of cases in which an asserted patent is, or has been declared to be, essential to the implementation of a collaboratively developed voluntary consensus standard, and the holder of that patent has agreed to license it to implementers of the standard on terms that are fair, reasonable, and nondiscriminatory (FRAND).This chapter explores how the existence of such a FRAND commitment may affect a patent holder’s entitlement to monetary damages and injunctive relief. In addition to issues of patent law, remedies law, and contracts law, we consider the effect of competition law on this issue.
This chapter discusses the law and policy of monetary awards — including exemplary damages and litigation cost recoveries — that go beyond the compensatory damages to which prevailing parties in patent litigation are normally entitled. Up to treble damages are authorized in the United States for knowing infringement, but attorney fees are awarded only in exceptional cases. The rest of the world tends toward the opposite: Attorney fees are awarded as a matter of course, but punitive damages are generally prohibited as against public policy.This chapter discusses the theory, law, and policy of enhanced damages and attorney fee awards in the United States, Europe, and Asia. While the availability of enhanced damages and fees can bring accused infringers that might otherwise “hold out” to the table, care must also be taken to ensure that it does not discourage productive learning from patents or challenges to overbroad and vague patents. Rather than endorse any single set of doctrinal rules, there is a recommendation for further research into a number of unanswered questions about current and potential future configurations, in order to inform future policymaking.
Through a collaboration among twenty legal scholars from eleven countries in North America, Europe and Asia, Patent Remedies and Complex Products presents an international consensus on the use of patent remedies for complex products such as smartphones, computer networks and the Internet of Things. It covers the application of both monetary remedies like reasonable royalties, lost profits, and enhanced damages, as well as injunctive relief. Readers will also learn about the effect of competition laws and agreements to license standards-essential patents on terms that are 'fair, reasonable and non-discriminatory' (FRAND) on patent remedies. Where national values and policy make consensus difficult, contributors discuss the nature and direction of further research required to resolve disagreements. This title is also available as Open Access on Cambridge Core.
Information and communications technology products are indispensable tools of modern life across the globe. Smartphones and laptops connect to a vast global computing infrastructure. Sophisticated medical equipment is ubiquitous in hospitals. Robotics increasingly enable manufacturing of every kind of product. Sensor networks facilitate the flow of urban traffic. The emergence of autonomous vehicles, products enabling augmented and virtual reality, the broad array of “Internet of Things” devices, and countless other innovations suggest that these kinds of products will continue to play an ever-growing role in the modern global economy.
Patent systems commonly empower courts to order accused or adjudged infringers to refrain from continuing infringing conduct in the future. Some patentees file suit for the primary purpose of obtaining and enforcing an injunction against infringement by a competitor, and even in cases in which the patentee is willing to license an invention to an accused infringer for an agreed price, the indirect monetary value of an injunction against future infringement can dwarf the amount a finder of fact is likely to award as compensation for past infringement. In some of these cases, an injunction, if granted, would impose costs on accused infringers or third parties that go well beyond the more intrinsic value of the patented technology. This chapter explores the theory behind injunctive relief in patent cases, surveys the availability of this remedy in major patent systems, and suggests a general framework for courts to use when deciding whether injunctive relief is appropriate in individual cases.