Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 32.371
Filtrar
Mais filtros








Intervalo de ano de publicação
1.
J Environ Sci (China) ; 147: 424-450, 2025 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-39003060

RESUMO

The electrokinetic (EK) process has been proposed for soil decontamination from heavy metals and organic matter. The advantages of the EK process include the low operating energy, suitability for fine-grained soil decontamination, and no need for excavation. During the last three decades, enhanced and hybrid EK systems were developed and tested for improving the efficiency of contaminants removal from soils. Chemically enhanced-EK processes exhibited excellent efficiency in removing contaminants by controlling the soil pH or the chemical reaction of contaminants. EK hybrid systems were tested to overcome environmental hurdles or technical drawbacks of decontamination technologies. Hybridization of the EK process with phytoremediation, bioremediation, or reactive filter media (RFM) improved the remediation process performance by capturing contaminants or facilitating biological agents' movement in the soil. Also, EK process coupling with solar energy was proposed to treat off-grid contaminated soils or reduce the EK energy requirements. This study reviews recent advancements in the enhancement and hybrid EK systems for soil remediation and the type of contaminants targeted by the process. The study also covered the impact of operating parameters, imperfect pollution separation, and differences in the physicochemical characteristics and microstructure of soil/sediment on the EK performance. Finally, a comparison between various remediation processes was presented to highlight the pros and cons of these technologies.


Assuntos
Recuperação e Remediação Ambiental , Metais Pesados , Poluentes do Solo , Solo , Poluentes do Solo/química , Recuperação e Remediação Ambiental/métodos , Solo/química , Biodegradação Ambiental
2.
J Med Radiat Sci ; 2024 Sep 01.
Artigo em Inglês | MEDLINE | ID: mdl-39217463

RESUMO

INTRODUCTION: Radiography students complete professional placements in various clinical settings and must adhere to distinct infection prevention and control (IPC) protocols. The aim of this study was to explore radiography students' training, knowledge, attitudes, and practice (KAP) relating to IPC in the use of contrast media injectors in computed tomography (CT). METHODS: An online survey study was undertaken with radiography students enrolled at two Australian universities. Survey questions related to contrast media training and KAP regarding IPC in CT. Data was summarised using descriptive statistics, with comparisons between experience in public and private practice. One free-text response question focused on non-adherence to IPC best practice, analysed using content analysis. RESULTS: In total, 40 students completed the survey (9% response rate). Reports of IPC and contrast media equipment training was high, with disposition for further training. Regarding IPC knowledge, 65% of students responded correctly to all 'knowledge' items (individual scores range: 60-100%). Low consensus was observed regarding whether gloves replace the need for hand hygiene and if CT contrast tubing poses risk to healthcare workers (85% each). Mean scores ranged from 41% to 100% regarding identification of sterile syringe and tubing components. Responses to the open-ended question were categorised into four themes: 'High non-adherence risk working conditions', 'attitudes and practice', 'knowledge', and 'prioritise good IPC practice'. CONCLUSIONS: Radiography students demonstrate varied comprehension of IPC regarding contrast media equipment, and results suggest need for collaborative efforts between academic institutions and clinical training sites to integrate IPC protocols into curricula and on-site training.

3.
Int J Biol Macromol ; : 135232, 2024 Aug 30.
Artigo em Inglês | MEDLINE | ID: mdl-39218177

RESUMO

Polyphenols are abundant natural plant micronutrients that commonly contribute to human health due to their anti-inflammatory, antioxidant, antiviral, anti-carcinogenic, anti-aging, anti-allergic, and other biological activities. Their therapeutic benefits mainly depend on the structure, stability, chemical interactions, and absorption, which ultimately affect the bioavailability of these compounds. The bioactivity of polyphenols is evaluated by in vitro and in vivo studies, sometimes yielding inconsistent results due to numerous differences between used models. Among the main differences is the production of reactive oxygen species (ROS) in cultured cell models, potentially leading to misinterpretation of the effects of polyphenolic compounds. Little attention is paid to the polyphenol stability in cell culture medium and the potential generation of artifacts due to their chemical instability. Stability tests of polyphenols are strongly advised to be performed in parallel with cell culture, to help avoid misleading conclusions. This review highlights the existing challenges with cell-based research, focusing on polyphenols' stability in the cell culture media. We also emphasize that new methods analyzing the molecular interactions of compounds with cell culture media supplements are essential to provide a comprehensive understanding of the polyphenols in in vitro models.

4.
Int J ; 79(2): 297-311, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-39219556

RESUMO

This article details the Russian government's efforts to influence Canadians' perceptions of the war in Ukraine. Specifically, we examined Russian information campaigns tailored to Canadian audiences on X (formerly known as Twitter) and the supportive ecosystems of accounts that amplify those campaigns. By 2023, this ecosystem included at least 200,000 X accounts that have shared content with millions of Canadians. We identified ninety accounts with an outsized influence. The vast majority of the influential Canadian accounts were far right or far left in orientation. These networks were among Canada's most prolific and influential political communities online. We determined this by comparing these networks' potential influence to the online community engaging with Canada's 338 members of Parliament on X and a sample of twenty influential X accounts in Canada. The sophistication and proliferation of Canada-tailored narratives suggest a highly organized and well-funded effort to target Canadian support for Ukraine.

5.
Drug Alcohol Depend Rep ; 12: 100266, 2024 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-39219737

RESUMO

Introduction: Both electronic cigarette (e-cigarette) and social media use among youth are public health concerns. While the health impacts of extensive social media use and frequent use of e-cigarettes have been discussed independently in the literature, little is known about the relationship between the two. This study aims to examine the potential association between extensive social media use and the frequency of current, e-cigarette use among United States (US) youth. Methods: Data from the 2022 National Youth Tobacco Survey (NYTS) were analyzed. The sample included 23,655 middle and high school students aged 9-18 years. Frequency of current e-cigarette use was categorized based on past-30 day use (i.e., never/former, 1-9 days, 10-29 days, or 30 days). Social media use was dichotomized into less than 4 hours daily and 4+ hours daily (i.e., extensive use). Multivariable multinomial logistic regression estimated the relationship between social media use and e-cigarette use frequency. Results: Over one-third (35.8 %) of youth used social media extensively and 8.6 % reported current use of e-cigarettes. Extensive social media use was associated with daily e-cigarette use (OR: 1.94, 95 % CI: 1.48-2.56) but not with other use categories. Older age, female sex, lower grades, current other tobacco use, and family tobacco use were also associated with daily e-cigarette use. Conclusions: Extensive social media use is associated with daily e-cigarette use among US youth. Public health interventions should consider the influence of social media on tobacco use behaviors and tailor prevention strategies to address this potential modifiable risk factor.

6.
Cureus ; 16(7): e65794, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-39219927

RESUMO

Avulsion occurs when the tooth is completely knocked out of its alveolar socket. The maxillary central incisors are more vulnerable to avulsion due to their prominent position in the dental arch. This case report describes a successful permanent maxillary incisor replantation in an 11-year-old child. The replanted tooth was stabilized in the socket using orthodontic wire, followed by root canal treatment and composite restoration within a two-week interval. Clinical and radiographic follow-up was done at one and six months. Successful management of an avulsed tooth requires educating the patient about different storage mediums and emergency management after an avulsion. This case report concluded that the avulsed tooth result is highly dependent on the patient's understanding of avulsion and how to approach it.

7.
Front Psychiatry ; 15: 1352291, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39220181

RESUMO

Background: Insomnia is a sleep disorder characterized by difficulty falling asleep, staying asleep, or experiencing poor-quality sleep. People with this problem often have trouble falling asleep at night, wake up frequently during the night, and may wake up too early in the morning and feel tired and not refreshed. This can lead to daytime fatigue, irritability, difficulty concentrating, and impaired functioning in their day-to-day activities. Study is scarce in resource-limited countries such as Ethiopia, particularly concerning the study setting. As a result, this study aimed to assess the prevalence of insomnia and its associated factors among undergraduate students at Hawassa University. Methods: An institution-based cross-sectional study design was used. A stratified simple random sampling method was used among 398 study participants. The data were collected using a structured self-administered questionnaire. The outcome variable was assessed by the insomnia severity index (ISI). The data were then gathered by using the Kobo toolbox online and then exported into the Statistical Package for Social Sciences version 27 to analyze the data. Data cleaning and screening were conducted exclusively by the investigators. Descriptive statistics like frequency, percentages, and mean were used. Bivariate and multivariate binary regression were performed. In multivariate binary logistic regression, a p-value of<0.05 was identified as a significantly associated factor with the dependent variable. Results: Among 398 students who participated in the study, 81 (20.4%) experienced insomnia. Being female [adjusted odds ratio (AOR) = 2.98; 95% confidence interval (CI) 1.56-5.69], age (AOR = 3.06; 95% CI 1.11-8.45), mild anxiety symptom (AOR = 4.89; 95% CI 1.56-15.37), and mobile device use ≥30 min just before going to sleep (AOR = 7.81; 95% CI 2.34-26.12) were significantly associated with insomnia. Conclusion: In this study, the prevalence of insomnia was one-fifth among university students, which is high when compared to another study at the national level. There were significant associations between being female, age, anxiety symptoms, and mobile device use before going to sleep with insomnia. This indicates that there is a need to treat and prevent insomnia in college students, emphasizing the necessity for mental healthcare and ethical technology use.

8.
Front Psychol ; 15: 1388860, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39220396

RESUMO

In the era of intelligent media, human users and chatbots have established a deep dependency relationship through communication, making media dependence a behavioral foundation that widely permeates human social practice. This article investigates how media dependence affects human social interaction during emotional interactions between human users and chatbots. Based on the theory of media dependence, the existing mature scales of media dependence and interpersonal communication were adapted, and 496 Replika user questionnaires were collected. After screening the validity of the questionnaires, 428 valid questionnaires were obtained. Descriptive statistical analysis, correlation analysis, multiple linear regression analysis, and mediation effect testing were used to analyze the impact of media dependence on human-computer emotional interaction. Results indicate a significant positive correlation between human-chatbot emotional interaction and human user social interaction. Media dependence significantly positively regulates emotional interactions between humans and chatbots. In addition, the social interactions of human users are partially influenced by factors such as user nature, age, education, and income.

9.
Front Psychol ; 15: 1398801, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39220403

RESUMO

Based on the continuous development of new media and mobile communication technologies, social media has significantly influenced people's daily thoughts and behaviors. For young people, social media is a platform for social interaction, and studies have found that social media helps Chinese graduates find employment. This study examined how social media use and its related factors affect employment anxiety. The data was collected from 1,204 Chinese youth through an online survey. The results showed that: (1) the intensity of social media use had a positive predictive effect on employment anxiety; (2) upward social comparison and online social support individually separately mediate the positive relationship between the intensity of social media use and employment anxiety; and (3) self-esteem negatively moderates the effect of upward social comparison and effect of online social support on employment anxiety. The study underscores the importance of reasonable social media usage strategies, positive social perception, and healthy self-perception for fostering a positive employment mindset among youth.

10.
Psychol Res Behav Manag ; 17: 3083-3100, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39220633

RESUMO

Purpose: Given that mother plays the main nurturing role in a family unit and their unique influence on children's development, the current study aimed to examine the influence of maternal phubbing on children's problematic media use and the independent and interactive moderating role of children's negative affectivity and effortful control. Methods: Participants were 1986 children aged 3 to 6 years in Shanghai, China. Their mothers were asked to complete a series of questionnaires including parental phubbing scale, problematic media use measure, and child behavior questionnaire. To investigate the moderating influence of children's negative affectivity and effortful control, hierarchical linear regression analyses were conducted using SPSS 24.0. Simple slopes analyses and the Johnson-Neyman technique were further used to depict moderation effects. Results: Maternal phubbing was associated with higher levels of problematic media use in preschool children (ß = 0.18, p <.001, [0.14, 0.22]). Children's negative affectivity acts as a risk factor, exacerbating the adverse effects of maternal phubbing on children's problematic media use (ß = 0.05, t = 2.69, p < 0.05), whereas children's effortful control acts as a protective factor, buffering the link between maternal phubbing and children's problematic media use (ß = -0.10, t = -5.00, p < 0.001). Conclusion: These results suggest that interventions seeking to promote appropriate digital development in preschoolers should take the child's temperament into account and be complemented by active parental mediation and involvement.

11.
SAGE Open Nurs ; 10: 23779608241278558, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39220808

RESUMO

Background: Social media use is increasing every year, and nurses use social media to connect with each other. As Instagram was the most downloaded application in 2022 worldwide, this study focused on nurses' use of Instagram in the context of the development of a professional identity and in support of the professionalization of nursing. Objectives: The aim of the study was to find out how nurses use their Instagram profiles to influence their followers' professional identity and support the professionalization of nursing. Therefore, nurses' Instagram posts and the hashtags they used were analyzed. Methods: A visual content analysis to analyze different Instagram posts using a hierarchical cluster analysis, an ANOVA, and a qualitative content analysis were conducted. The most frequently used nursing-related hashtags were analyzed to include different Instagram profiles (n = 15) in the study. Results: This study identified three different clusters of Instagram profiles, which can be characterized as "Show me what you do," "Let's do education," and "The things we believe in." Consequently, it can be stated that nurses who display their values and beliefs in Instagram reels, half in nursing settings and half at home, have the highest number of followers and significantly more comments per post. The cluster that showed significantly more knowledge-based posts had the lowest number of followers and significantly the lowest number of comments. The content analysis of the hashtags used suggested that nurses who identify themselves as such want to attract attention from other nurses who use nursing-related hashtags. Conclusions: The results reveal that there is a possible benefit of the use of social media in the development of the nursing profession and professional identity. Followers and interactions can be generated when Instagram users identify with the profile and wish to discuss professional beliefs and values.

12.
Heliyon ; 10(16): e35865, 2024 Aug 30.
Artigo em Inglês | MEDLINE | ID: mdl-39220956

RESUMO

The digital era has expanded social exposure with easy internet access for mobile users, allowing for global communication. Now, people can get to know what is going on around the globe with just a click; however, this has also resulted in the issue of fake news. Fake news is content that pretends to be true but is actually false and is disseminated to defraud. Fake news poses a threat to harmony, politics, the economy, and public opinion. As a result, bogus news detection has become an emerging research domain to identify a given piece of text as genuine or fraudulent. In this paper, a new framework called Generative Bidirectional Encoder Representations from Transformers (GBERT) is proposed that leverages a combination of Generative pre-trained transformer (GPT) and Bidirectional Encoder Representations from Transformers (BERT) and addresses the fake news classification problem. This framework combines the best features of both cutting-edge techniques-BERT's deep contextual understanding and the generative capabilities of GPT-to create a comprehensive representation of a given text. Both GPT and BERT are fine-tuned on two real-world benchmark corpora and have attained 95.30 % accuracy, 95.13 % precision, 97.35 % sensitivity, and a 96.23 % F1 score. The statistical test results indicate the effectiveness of the fine-tuned framework for fake news detection and suggest that it can be a promising approach for eradicating this global issue of fake news in the digital landscape.

13.
Heliyon ; 10(16): e35536, 2024 Aug 30.
Artigo em Inglês | MEDLINE | ID: mdl-39220992

RESUMO

The study focused on the extraction of free erythromycin from commercially manufactured tablets and the use of metal salts to synthesize erythromycin-metal complexes, specifically involving silver (Ag), nickel (Ni), cobalt (Co), and copper (Cu). The synthesis was confirmed through various methods, including elemental analysis, thermogravimetric analysis, Fourier-transform infrared (FTIR), and UV-visible spectroscopy. The microbiological investigation involved Salmonella typhi, Escherichia coli, Staphylococcus aureus, Bacillus cereus, Candida albicans, and Microsporum canis as test organisms. The NCCLS broth microdilution reference method was used to determine the minimum fungicidal concentration and minimum inhibitory concentration of the complexes. The synthesized complexes were highly effective against a variety of fungi and bacteria, with compound Ery-Cu having MIC as low as 1.56 mg/mL, Ery-Cu and Ery-Ni with MBCs of 6.25 mg/mL and Ery-Cu having MFC of 6.25 mg/mL. Dose-dependent inhibitory effects were found upon examination of the antimicrobial susceptibility of specific complexes (Cu, Ni, Co and Ag) at varying concentrations of 100, 50, 25 and 12.5 mm/mL. Antibiotic susceptibility testing revealed efficacy against the tested pathogens. The study suggests that the synthesis of erythromycin-metal complexes, coupled with their antibacterial effectiveness against a diverse spectrum of bacteria and fungi, as they showed promising inhibitory properties when tested against a range of test species (Bacillus cereus, Staphylococcus aureus, Escherichia coli, Salmonella typhi, Candida albicans, and Microsporum canis), could lead to the development of innovative antibacterial agents. Molecular docking simulations were used to examine the interactions between metal complexes with proteins filamentous temperature-sensitive protein Z and lanosterol 14α-demethylase. The study highlights the need for further exploration in pharmaceutical research.

14.
Health Sci Rep ; 7(9): e70033, 2024 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-39221055

RESUMO

Background and Aims: Blood pressure, body mass index (BMI), and carotid intima-media thickness (CIMT) are well-known independent predictors of cardiovascular disease especially in adulthood. However, there is insufficient evidence regarding the statistical significance of the relationship between childhood CIMT, blood pressure and BMI. This systematic review and meta-analysis was therefore conducted to ascertain the relationship. Methods: This systematic review and meta-analysis was reported in accordance with the PRISMA statement. Three electronic databases were searched, namely EMBASE, MEDLINE and the Cochrane Library. Data were extracted independently by two review authors. Quantitative data were analyzed using Review Manager. Results: The meta-analysis was conducted using a random effects model and standard mean difference. The results of the meta-analysis indicated a statistically significant difference in CIMT of 0.86 (95% CI: 0.41-1.31) between normotensive versus hypertensive children. Again, overweight and moderately obese children had higher CIMT values as compared to normal weight children with a pooled standard mean difference of 0.72 (95% CI: 0.24-1.20) and 2.75 (95% CI: 0.73-4.77) respectively. The pooled standard mean difference of systolic and diastolic blood pressures was found to be 2.44 (95% CI: 1.69-3.19) and 1.28 (95% CI: 0.65-1.92) respectively between normal weight and overweight/obese children. Conclusion: The meta-analysis found a significant difference in CIMT between normotensive and hypertensive children, with overweight and moderately obese children having higher CIMT values. Thus, conducting CIMT screening for obese or overweight children and children with increased blood pressure can provide valuable information about their cardiovascular disease risk.

15.
Digit Health ; 10: 20552076241277458, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39221085

RESUMO

Background: Professional opinion polling has become a popular means of seeking advice for complex nephrology questions in the #AskRenal community on X. ChatGPT is a large language model with remarkable problem-solving capabilities, but its ability to provide solutions for real-world clinical scenarios remains unproven. This study seeks to evaluate how closely ChatGPT's responses align with current prevailing medical opinions in nephrology. Methods: Nephrology polls from X were submitted to ChatGPT-4, which generated answers without prior knowledge of the poll outcomes. Its responses were compared to the poll results (inter-rater) and a second set of responses given after a one-week interval (intra-rater) using Cohen's kappa statistic (κ). Subgroup analysis was performed based on question subject matter. Results: Our analysis comprised two rounds of testing ChatGPT on 271 nephrology-related questions. In the first round, ChatGPT's responses agreed with poll results for 163 of the 271 questions (60.2%; κ = 0.42, 95% CI: 0.38-0.46). In the second round, conducted to assess reproducibility, agreement improved slightly to 171 out of 271 questions (63.1%; κ = 0.46, 95% CI: 0.42-0.50). Comparison of ChatGPT's responses between the two rounds demonstrated high internal consistency, with agreement in 245 out of 271 responses (90.4%; κ = 0.86, 95% CI: 0.82-0.90). Subgroup analysis revealed stronger performance in the combined areas of homeostasis, nephrolithiasis, and pharmacology (κ = 0.53, 95% CI: 0.47-0.59 in both rounds), compared to other nephrology subfields. Conclusion: ChatGPT-4 demonstrates modest capability in replicating prevailing professional opinion in nephrology polls overall, with varying performance levels between question topics and excellent internal consistency. This study provides insights into the potential and limitations of using ChatGPT in medical decision making.

16.
Support Care Cancer ; 32(9): 613, 2024 Aug 26.
Artigo em Inglês | MEDLINE | ID: mdl-39222131

RESUMO

AIM: To identify barriers between health and communication in oncology in order to promote the best possible practice. The areas of communication to be focused on are communication directly with the patient, communication within the scientific community, and communication with the media. MATERIAL AND METHODS: A working group including eminent experts from the national mass media, healthcare system, and patients' advocacy has been established on behalf of the Italian Association of Medical Oncology (AIOM), with the aim of developing suitable recommendations for the best communication in oncology. A literature search has been conducted selecting primary studies related to the best practices applied to communication in oncology. Subsequent to having identified the most representative statements, through a consensus conference using the RAND/University of California Los Angeles modified Delphi method, the panel evaluated the relevance of each statement to support useful strategies to develop effective communication between oncologist physicians and patients, communication within the scientific community, and communication with media outlets, including social media. RESULTS: A total of 292 statements have been extracted from 100 articles. Following an evaluation of relevance, it was found that among the 142 statements achieving the highest scores, 30 of these have been considered of particular interest by the panel. CONCLUSIONS: This consensus and the arising document represent an attempt to strengthen the strategic alliance between key figures in communication, identifying high-impact recommendations for the management of communication in oncology with respect to patients, the wider scientific community, and the media.


Assuntos
Comunicação , Técnica Delphi , Oncologia , Humanos , Oncologia/métodos , Oncologia/normas , Itália , Relações Médico-Paciente , Neoplasias/terapia , Meios de Comunicação de Massa , Pessoal de Saúde/psicologia , Sociedades Médicas/organização & administração
17.
Health Promot Int ; 39(4)2024 Aug 01.
Artigo em Inglês | MEDLINE | ID: mdl-39224087

RESUMO

More than half of all men do not seek professional help for depression, suicide and anxiety. Although media-based campaigns represent a promising health promotion intervention to improve male help-seeking, it is unclear what communication strategies in extant mental health media-based campaigns are effective for men. The aim of this systematic review was to synthesize information about the effectiveness of these campaigns on male help-seeking outcomes. A search was conducted of electronic databases and gray literature. Studies were eligible if they examined the effectiveness of a media-based campaign targeting male help-seeking attitudes, beliefs, intentions or behaviors in relation to mental disorders, distress, suicide or self-harm. Twenty-two studies of varying quality met the eligibility criteria. Most studies targeting mental health or depression were found to positively influence male help-seeking. There were mixed results for suicide prevention campaigns. Some evidence suggests that overall, brochure-based campaigns impact help-seeking. The use of male or mixed-gender campaign imagery produced similar results. The choice of message framing appeared to influence help-seeking outcomes. Despite substantial heterogeneity in campaign approaches and difficulties isolating the effects of campaign delivery from messaging, the review indicates that media-based campaigns can play a role in improving male help-seeking for mental health difficulties. Mounting evidence suggests that messaging and delivery should align with male communication preferences. However, high-quality, targeted research is required to evaluate the circumstances in which various campaign delivery and messaging components are effective in improving male help-seeking for poor mental health and suicidality.


Assuntos
Promoção da Saúde , Meios de Comunicação de Massa , Saúde Mental , Aceitação pelo Paciente de Cuidados de Saúde , Humanos , Masculino , Promoção da Saúde/métodos , Aceitação pelo Paciente de Cuidados de Saúde/psicologia , Comportamento de Busca de Ajuda , Prevenção do Suicídio , Transtornos Mentais , Depressão/psicologia
18.
Heliyon ; 10(16): e35880, 2024 Aug 30.
Artigo em Inglês | MEDLINE | ID: mdl-39224280

RESUMO

A study was carried out to evaluate the growth performance of Chlorella vulgaris, a green microalga, in three different concentrations of digested rotten potato supernatant (DRPS) for 16 days. C. vulgaris was grown in 20 % (T1), 40 % (T2), and 60 % (T3) of the DRPS and at the same time in Bold Basal Medium (BBM) as a control (T4). A significantly highest cell density of C. vulgaris was found in T1 (192.83 ± 1.75 × 105 cells mL-1) in comparison to T2 (136.83 ± 5.58 × 105 cells mL-1), and T3 (99.11 ± 5.38 × 105 cells mL-1) (p < 0.001 for all comparisons) while the cell density at T1 (192.83 ± 1.75 × 105 cells mL-1) and T4 (180.907 ± 4.58 × 105 cells mL-1) did not differ significantly (p = 0.227). Moreover, the mean daily division rate of C. vulgaris was significantly higher in T1 (0.340 ± 0.001 divisions day-1) in comparison to other concentrations of DRPS (p < 0.001 for all comparisons). The maximum value of total biomass (1.07 ± 0.10 g L-1) was found in T1 which was statistically similar to those in T4 and T2. In addition, there was no significant difference between the mean maximum values of chlorophyll-a content and optical density of C. vulgaris in T1 and T4. The highest protein content of 42.67 ± 0.57 % was observed in T4 which was significantly higher than T1 (39.43 ± 1.67 %) (p = 0.027). It is also worth mentioning that there was no significant difference in the crude lipid content of the microalgae grown in T1 (10.06 ± 0.17 %) and T4 (9.88 ± 0.14 %) (p = 0.616). Hence, 20 % DRPS can be used as an alternative culture media of BBM for C. vulgaris with a broad aim to accelerate the sustainable advancement of microalgal production.

19.
Digit Health ; 10: 20552076241277186, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39224797

RESUMO

Objective: Social interactions and experiences are increasingly occurring online, including for young adults with psychosis. Healthy social interactions and experiences are widely recognized as a critical component of social recovery, yet research thus far has focused predominantly on offline interactions with limited understanding of these interactions online. We developed the Social Media and Internet sociaL Engagement (SMILE) questionnaire to assess the type, frequency, and nature of online social interactions and experiences among young adults with early psychosis to better assess online social activity and ultimately support personalized interventions. Methods: Participants (N = 49) completed the SMILE questionnaire which asked about online platforms used, frequency of use, and if positive and negative experiences were more likely to happen online or offline. Participants completed additional self-report measures of victimization, positive psychotic symptoms, social functioning, and demographics. Exploratory factor analysis and correlations between identified factors and clinical measures of interest were completed. Results: Exploratory factor analysis revealed three factors: positive engagement, victimization, and internalizing experiences. Most participants (6%-37%) experienced positive engagement offline. Victimization occurred equally online and offline (8%-27% and 4%-24%, respectively). Most participants (37%-51%) endorsed internalizing experiences as occurring equally offline and online, but approximately a third of participants reported internalizing experiences more frequently offline (20%-35%). Victimization was moderately (r = 0.34) correlated with overall online social experiences, suggesting more online time may increase the likelihood of victimization. Age was inversely related to the frequency of overall online social experiences. Conclusion: Young adults with early psychosis experience positive and negative social experiences online and offline. New scales and measures to comprehensively assess the nature and function of online social interactions and experiences are needed.

20.
Digit Health ; 10: 20552076241277688, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39224798

RESUMO

Purpose: Breast cancer, the most common cancer in women globally, highlights the need for patient education. Despite many breast cancer discussions on TikTok, their scientific evaluation is lacking. Our study seeks to assess the content quality and accuracy of popular TikTok videos on breast cancer, to improve the dissemination of health knowledge. Methods: On August 22, 2023, we collected the top 100 trending videos from TikTok's Chinese version using "breast cancer/breast nodule" as keywords. We noted their length, TikTok duration, likes, comments, favorites, reposts, uploader types, and topics. Four assessment tools were used: Goobie's six questions, the Patient Educational Material Assessment Tool (PEMAT), the Video Information and Quality Index (VIQI), and the Global Quality Score (GQS). These instruments evaluate videos based on content, informational integrity, and overall quality. Results: Among the 100 videos, content quality was low with Goobie's questions mostly scoring 0, except for management at 1.0 (QR 1.0). PEMAT scores were moderate: 54.1 (QR 1.6) for sum, 47.0 (QR 18.8) for PEMAT-A, and 52.3 (QR 11.7) for PEMAT-U. Regarding the quality of information, the VIQI (sum) median was 14.1 (QR 0.2). Additionally, the median GQS score was 3.5 (QR 0.1). Medical professionals' videos focused on breast cancer stages, while patient videos centered on personal experiences. Patient videos had lower content and overall quality compared to those by medical professionals (PEMAT, GQS: P < 0.001, P = 0.004) but received more comments, indicating higher engagement (all P < 0.05). Conclusion: TikTok's breast cancer content shows educational potential, but while informational quality is moderate, content quality needs improvement. Videos by medical professionals are of higher quality. We recommend increased involvement of healthcare professionals on TikTok to enhance content quality. Non-medical users should share verified information, and TikTok should strengthen its content vetting. Users must scrutinize the credibility of health information on social platforms.

SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA