23 research outputs found
Isolation and Characterization of Agarolytic Bacteria from Marine Environment
No full textThis Dissertation / Report is the outcome of investigation carried out by the creator(s) / author(s) at the department/division of Central Food Technological Research Institute (CFTRI), Mysore mentioned below in this page
Thermal conductance of interfaces between titanium nitride and group IV semiconductors at high temperatures
No full textThis article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Samreen Khan, Xinping Shi, Joseph Feser, Richard Wilson; Thermal conductance of interfaces between titanium nitride and group IV semiconductors at high temperatures. Appl. Phys. Lett. 22 July 2024; 125 (4): 041601. https://doi.org/10.1063/5.0220124 and may be found at https://doi.org/10.1063/5.0220124.
© 2024 Author(s). Published under an exclusive license by AIP Publishing.
This article will be embargoed until 07/22/2025.Measuring the temperature dependence of material properties is a standard method for better understanding the microscopic origins for that property. Surprisingly, only a few experimental studies of thermal boundary conductance at high temperatures exist. This lack of high temperature data makes it difficult to evaluate competing theories for how inelastic processes contribute to thermal conductance. To address this, we report time domain thermoreflectance measurements of the thermal boundary conductance for TiN on diamond, silicon-carbide, silicon, and germanium between 120 and 1000 K. In all systems, the interface conductance increases monotonically without stagnating at higher temperatures. For TiN/SiC interfaces, ranges from 330 to 1000 MW/m2-K, with a room temperature conductance of 750 MW/m2-K. The interface conductance for TiN/diamond ranges from 140 to 950 MW/m2-K. Notably, for all four interfacial systems, the conductance continues to increase with temperature even after all phonon modes in the vibrationally soft material are thermally excited. This observation suggests that inelastic processes are significant contributors to the thermal conductance in all four interfacial systems, regardless of whether the materials forming the interface are vibrationally similar or dissimilar. Our study fills a notable gap in the literature for how interfacial conductance evolves at high temperatures and tests burgeoning theories for the role of inelastic processes in interfacial thermal transport.This work was supported as part of ULTRA, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Basic Energy Sciences under Award No. DE-SC0021230
The role of consumer multiple identities in bank choice in Pakistan.
No full textIdentity via consumption has received much attention in academic research, however fewer studies are found on the role of multiple identities in consumption. This gap becomes wider when it comes to financial services consumption (banking in particular). Further, components of these multiple identities (personal, role and group) are yet to be explored in relation to consumer choice. Therefore, this study aims to contribute to the theory of multiple identities by classifying and defining the components of each consumer multiple identities and exploring the role each of these identities play in consumers’ bank choice. The choice motivation between Islamic and Non-Islamic banks is explored in this regard, where Islamic banks provide the same services as Non-Islamic banks but with an exception of paying/earning any interest. Previous studies have found culture and religion to play a strong role in the formation of multiple identities, thus the author will also investigate the influence of culture (role of family) and religion (religious beliefs, commitment and affiliation) on consumers’ multiple identities and hence on their bank choice. Pakistan is chosen as the context of this study because 1) the presence of Islamic and Non-Islamic banks; 2) Pakistan is a country which was found in the name of religion and thus there is strong presence of religious values in the country; and 3) Pakistan is considered to be an under researched country in the area of consumption, which made it the best suited context for this study. Adopting a qualitative approach, the author conducted 39 semi-structured interviews with Pakistani bank consumers, and the data was analysed thematically using NVIVO 10. Data analyses revealed four key findings. First, religious identity, role of being son/daughter and career identity were the salient consumer identities in relation to bank choice. Second, while defining the components of these multiple identities, the author found that; religious identity was comprised of religious beliefs, role of religion and spirituality. Parents’ happiness, importance of parents and father vs mother made up the role identity of being son/daughter. Whereas moving out, ambitious; future oriented, and making parents proud were grouped under career identity. Third, the role identity of son/daughter was considered to be the most relevant in terms of the consumption of the services of Islamic banks. Fourth, the overlapping nature of cultural and religious influences gave rise to identity conflict in participants’ lives. The author therefore found two types of identity conflict in relation to participants’ bank choice: inter and intra identity conflict. This study contributes to the theory of multiple identities, consumption and financial services literature. First, by investigating different level of identities enacted by consumers via their consumption behaviour. Second, by identifying components of each of these multiple identities. Third, the author discovered a conflict among and between multiple identities, labelled inter and intra identity conflict for the purpose of this study. The fourth contribution to the theory of multiple identities is on what made some identities salient over the others. Similarly, this study also contributes to the existing debate of the precedence of religion over culture and vice versa in the consumption research. Finally, this is one of the first studies to explore the topic of multiple identities in the context of financial services, hence contributing to the consumption literature of banking choice. This study has implications for the banking sector in Pakistan. Islamic banks should design their communication strategies using sound Islamic tangible cues to improve the congruence between their banks and consumers. This will also help to address consumers’ identity conflict. Future research can further explore the identities of Islamic banks and its alignment with consumer identities utilising big sample data
The twin cell model and its excellence in determining the glass transition temperature of thin film metallic glass
No full textImpact of Changes in Reserve Requirement on Banks Profitability: A Case of Commercial Banks in Pakistan
No full textThis study examines the relationship between Reserve Requirement Ratio and Banks Profitability in Pakistan. It emphasizes on the effect of changes in CRR on commercial banking profitability and how it affects the ROE and ROA. The data collected for the research was secondary and quantitative time series data for the ten year period 2005-2014. Using correlation analysis followed by Linear Regression carries the empirical analysis of the study. The finding of study reveal that CRR taken as measure for Reserve Requirement has significant inverse relationship on banks’ financial performance, which is measured by ROA and ROE
A pedagogy for success: two stories from STEM
No full textDisclosure statement: No potential conflict of interest was reported by the author(s). All data supporting this study are provided in the ‘two cases, two STEM stories’ section of this paper.Copyright © 2023 The Author(s). This paper aims to debate the need to change our discussions from the pedagogy of success to pedagogy for success. In justifying the prepositional shift, we discussed our understanding of success and pedagogy using some relevant literature, followed by the five key features which formulate our pedagogy for success. These features are the web of relations with people, learning objectives established subjectively (or not), the flow from knowledge patterns and streams, the experiential texture and the self and/or situationally ascribed evaluative tone. Each of the five features exhibits no set recipe of particular proportions that a teacher, student or professional can use to become successful in STEM or a toolkit that has certain STEM-based specific skills, abilities and knowledge leading to a successful STEM life. Instead, the pedagogy for success challenges the set criteria of success, by highlighting the ideology of personalised non-hierarchal successes from a variety of sources and spaces. Practically, using the five-featured theoretical framework, we have showcased the STEM stories of Amna and Samreen from our 2021 qualitative, entre-deux, autobioracy-styled data collection. Finally, discussing pedagogy for success using five crosscutting themes that exhibit a non-linear and long-lasting acquisition of a successful STEM life
Work and Family Conflicts, Its Relationship with Employees' Well -Being: How Supervisor's Emotional Support moderates this relationship
No full textThis study tends to enlarge volume of quality work available on work family conflict. It also examines the link between work family conflict with employees’ well-being and moderating role of supervisory emotional support. By studying the moderating effect of supervisory emotional support on work family conflict causes to increase the worth of current study as these relations are rarely studied by the researchers. In order to conduct the study data has been gathered from 150 employees of service providing industries located in Skardu, Pakistan like banks, schools, colleges, offices through convenience sampling. The participants were asked to complete a questionnaire which included sets of questions about each variable. The author used three steps hierarchical regression and correlation for the purpose of data analysis. Three step hierarchical regression analyses indicated that employees experiencing work family conflict reported to affect their well-being negatively. As predicted Supervisory emotional support acts as moderator. Contrary to expectation supervisory emotional support failed to show its direct impact on employees’ well-being. This study will definitely provide assistance for managers and HR professionals along with all other types of managers to understand the importance of well-being of employees and give direction for management to focus on providing supervisory emotional support to them so that the organization will be able to have more satisfied employees.
Keywords: Work family conflict, Supervisor’s emotional support, and employees’ well-being.This article has been published at www.ijarbas.com, Issue: 4, Vol.#2, April, 2020
Assessment of Ki-67 proliferation index in relation to histological grades of oral squamous cell carcinoma
No full textObjective: To evaluate the Ki-67 proliferation index and its correlation with different histological grades of Oral squamous cell carcinoma.
Methods: This retrospective immunohistochemical study was conducted at the Pathology Department of Mayo Hospital, Lahore, from January 2024 to May 2025. A total of 30 histopathologically confirmed cases of OSCC were selected. Hematoxylin and eosin (H&E) stained slides were used for grading tumors, followed by immunohistochemical staining for Ki-67. The staining intensity and percentage of positively stained tumor cells were evaluated and scored.
Results: Among the 30 cases, 6 (20%) showed no immunoreactivity for Ki‑67, 1 case (3%) exhibited mild staining, 13 cases (43.3%) demonstrated moderate staining, and 10 cases (33.3%) displayed intense Ki‑67 expression. A significant positive correlation was found between higher Ki-67 expression and poor tumor differentiation (p < 0.05). High-grade tumors (moderately and poorly differentiated OSCC) exhibited markedly increased Ki-67 labeling index as compared to well-differentiated tumors.
Conclusion: This study reinforces the utility of Ki-67 as a reliable proliferative marker in oral squamous cell carcinoma. Its expression correlates significantly with histological grade, indicating its potential role in prognostication and guiding therapeutic strategies.
Keywords: Carcinoma Squamous Cell; Cell Proliferation; Immunohistochemistry; Ki-67 Antigen; Mouth Neoplasms; Neoplasm Grading; Tumor Cells Malignant
Green HRM and Resource Optimization in the Public Sector: A Pathway to Achieving Sustainable Environmental Policy Goals
No full textThe study discusses the role of Green Human Resource Management in optimizing resources and achieving environmental policy goals within public sector organizations. In view of increasing pressure to use more sustainable practices, Green HRM emerged as a core determinant in enhancing environmental performance and efficiency in operations. The study examines three influential Green HRM practices, that is, green recruitment, green training, and environmental performance management, in light of assessing the impact of their influence on the consumption of resources, energy, and waste management. A quantitative study was performed by the author based on a survey with the sample size consisting of 200 respondents from 25 public sector organizations. There also seems to be a strong positive relationship found between Green HRM practice and the optimization of resources in particular-through green recruitment and particularly green training. Furthermore, the study indicated that resource optimization served as a mediator between realizing sustainable environmental policy goals and Green HRM. Thus, effective Green HRM practices help an organization decrease its environmental footprint while at the same time improving its operations' efficiency. The study demonstrates that public sector organizations should also use the strategic frameworks designed to set up sustainable long-run sustainability goals with Green HRM practices. This way, research supports literature on Green HRM with its importance and in avenues for potential future research directions towards integrating the practice into the public sector
Systematic Review: A 25-Year Global Publication Analysis of the Role of Spirituality and Religiosity in Suicidal Risk Assessment in Adolescents
No full textObjective: Religiosity and spirituality have demonstrated protective associations against suicidal ideation and behavior in adults. Despite accumulating evidence of similar associations in adolescents, no systematic review to the authors’ knowledge has examined associations between religiosity/spirituality and adolescent suicidality. The authors hypothesized that, in general, religiosity and spirituality would function as protective factors against suicidality in adolescent populations. This systematic review summarizes global findings on this topic, with particular focus on at-risk groups including racial, religious, and sexual minorities. Method: PubMed, Web of Science, Embase, and CINAHL were searched for relevant studies on December 18, 2023. Eligible articles were from peer-reviewed journals, included subjects ages 10 to 25, and employed measures of suicidality and religiosity/spirituality. Studies were evaluated using the Mixed Methods Appraisal Tool. Results: Inclusion criteria were met by 61 studies (340,170 participants); 49 were cross-sectional, 7 were longitudinal, and several were qualitative or used mixed methods. Of studies, 67.2% found protective associations between religiosity/spirituality and suicidality, 8.2% reported risk associations, 8.2% described complex associations, and 16.4% found no association. Mediators included general social support. Moderators included levels of parental monitoring. Studies of ethnoracially minoritized adolescents suggested a protective role for religiosity, whereas results in religiously minoritized and LGBTQ+ (lesbian, gay, bisexual, transgender, queer, and others) adolescents were equivocal. Conclusion: A substantial majority of studies demonstrated that greater investment in religiosity/spirituality predicted reduced suicidality in adolescents. Findings suggest that religiosity and spirituality can provide adolescents with reasons for living and should be addressed in clinical practice and prevention efforts. Limitations include the cross-sectional design of most included studies, preventing causal inferences. Future research should evaluate spiritually inclusive therapeutic and preventive interventions for adolescents. Plain language summary: This review of 61 worldwide studies found that adolescents who reported being more religious or spiritual were less likely to think about suicide or attempt suicide. Religion and spirituality appeared more strongly associated with lesser suicidality for teenagers from racial minorities than for teenagers from religious or sexual and gender minorities. Religious groups can provide social support for teens who are at risk for suicide. Mental health providers may collaborate with religious groups on suicide prevention efforts. Study registration information: Prevalence of Neurodevelopmental Disorders among Indigenous Children: A Systematic Review; https://www.crd.york.ac.uk/PROSPERO/view/CRD42021238669. Diversity & Inclusion Statement: One or more of the authors of this paper self-identifies as a member of one or more historically underrepresented racial and/or ethnic groups in science. One or more of the authors of this paper self-identifies as a member of one or more historically underrepresented sexual and/or gender groups in science. We actively worked to promote sex and gender balance in our author group. We actively worked to promote inclusion of historically underrepresented racial and/or ethnic groups in science in our author group. While citing references scientifically relevant for this work, we also actively worked to promote sex and gender balance in our reference list. While citing references scientifically relevant for this work, we also actively worked to promote inclusion of historically underrepresented racial and/or ethnic groups in science in our reference list
