473 research outputs found

    Expropriating Privacy: The Public Persona of the Pandemic Unhoused

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    During the winter of 2020, Toronto resident Khaleel Seivwright, began to construct small mobile shelters to provide insulation and privacy to unhoused residents living outdoors. Conditions produced by the COVID-19 pandemic increased demand on the city’s already underfunded and strained shelter system, subsequently accelerating development of encampments in parks throughout the city. From the outset, these “tiny shelters” served as a flashpoint in public discourse on the question of the relative health, safety, and beauty of unhoused privacy. Drawing on media coverage of Seivwright’s case, we address the question of the private persona as it emerges in relation to the unhoused, and to the practices of violent expropriation which daily police their existence. By examining the news discourses produced about Sievwrights tiny shelters, we interrogate how Sievwright’s public persona came to represent encampment residents as well as himself subsequently emerging as a boundary subject mediating the contradictory relations immanent to domesticity: between public and private space and public and private identity. Our analysis asks how the limits of privacy are actively imposed and managed under capitalism: who is allowed to have domestic space, where is that domestic space allowed to exist, and crucially what public personas emerge in relation to practices departing from the normative bounds of capitalism’s public/private distinction? Using critical discourse analysis (CDA), we examine the ways in which public personas are mediated by individuals and media institutions at the same time as addressing how personas themselves intervene in this process. CDA directs us to ask how personas are constituted through language. This emphasis on persona as both outcome of relations of power and as mediator in its own right permits us to address figures who are conventionally denied personas while simultaneously complicating and challenging the meanings behind domesticity within capitalist cities

    UK mothers' experiences of bottle refusal by their breastfed baby.

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    Little is known about bottle refusal by breastfed babies; however, an informal review of global online forums and social media suggested large numbers of mothers experiencing the scenario. This study aimed to explore UK mothers' experiences of bottle refusal by their breastfed baby in order to provide understanding of the scenario and enhance support for mothers experiencing it. A 22-point online questionnaire was developed and completed by 841 UK mothers. Findings suggest that mothers introduced a bottle to their breastfed baby due to physical, psychological and socio-cultural factors. Advice and support for mothers experiencing bottle refusal was not always helpful, and 27% of mothers reported bottle refusal as having a negative impact on their breastfeeding experience. When compared with eventual bottle acceptance, bottle refusal was significantly associated with previous experience of bottle refusal (p < .001), how frequently mothers intended to feed their baby by bottle and babies being younger at the first attempt to introduce a bottle (p < .001). This study provides a unique insight into the complexities of bottle refusal by breastfed babies and the impact it can have upon mothers' breastfeeding experiences. It generates knowledge and understanding that can help to inform practice and policies. In addition, a 'normalising' of the scenario could enable mothers, and those supporting them, to view and manage it more positively

    An IPMC-Enabled Bio-Inspired bending/twisting Fin for Underwater Applications

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    This paper discusses the design, fabrication, and characterization of an ionic polymer–metal composite (IPMC) actuator-based bio-inspired active fin capable of bending and twisting motion. It is pointed out that IPMC strip actuators are used in the simple cantilever configuration to create simple bending (flapping-like) motion for propulsion in underwater autonomous systems. However, the resulting motion is a simple 1D bending and performance is rather limited. To enable more complex deformation, such as the flapping (pitch and heaving) motion of real pectoral and caudal fish fins, a new approach which involves molding or integrating IPMC actuators into a soft boot material to create an active control surface (called a \u27fin\u27) is presented. The fin can be used to realize complex deformation depending on the orientation and placement of the actuators. In contrast to previously created IPMCs with patterned electrodes for the same purpose, the proposed design avoids (1) the more expensive process of electroless plating platinum all throughout the surface of the actuator and (2) the need for specially patterning the electrodes. Therefore, standard shaped IPMC actuators such as those with rectangular dimensions with varying thicknesses can be used. One unique advantage of the proposed structural design is that custom shaped fins and control surfaces can be easily created without special materials processing. The molding process is cost effective and does not require functionalizing or \u27activating\u27 the boot material similar to creating IPMCs. For a prototype fin (90 mm wide × 60 mm long× 1.5 mm thick), the measured maximum tip displacement was approximately 44 mm and the twist angle of the fin exceeded 10°. Lift and drag measurements in water where the prototype fin with an airfoil profile was dragged through water at a velocity of 21 cm s−1 showed that the lift and drag forces can be affected by controlling the IPMCs embedded into the fin structure. These results suggest that such IPMC-enabled fin designs can be used for developing active propeller blades or control surfaces on underwater vehicles

    Crystal Structures of Human Carboxylesterase 1 in Covalent Complexes with the Chemical Warfare Agents Soman and Tabun † , ‡

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    The organophosphorus nerve agents sarin, soman, tabun, and VX exert their toxic effects by inhibiting the action of human acetylcholinesterase, a member of the serine hydrolase superfamily of enzymes. The current treatments for nerve agent exposure must be administered quickly to be effective and they often do not eliminate long-term toxic side effects associated with organophosphate poisoning. Thus, there is significant need for effective prophylactic methods to protect at-risk personnel from nerve agent exposure, and protein-based approaches have emerged as promising candidates. We present the 2.7 Å resolution crystal structures of the serine hydrolase human carboxylesterase 1 (hCE1), a broad-spectrum drug metabolism enzyme, in covalent acyl-enzyme intermediate complexes with the chemical weapons soman and tabun. The structures reveal that hCE1 binds stereoselectively to these nerve agents; for example, hCE1 appears to react preferentially with the 104-fold more lethal PS stereoisomer of soman relative to the PR form. In addition, structural features of the hCE1 active site indicate that the enzyme may be resistant to dead-end organophosphate aging reactions that permanently inactivate other serine hydrolases. Taken together, these data provide important structural details toward the goal of engineering hCE1 into an organophosphate hydrolase and protein-based therapeutic for nerve agent exposure

    The missing voices in the conscientious objection debate: British service users' experiences of conscientious objection to abortion

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    Background The fourth section of the 1967 Abortion Act states that individuals (including health care practitioners) do not have to participate in an abortion if they have a conscientious objection. A conscientious objection is a refusal to participate in abortion on the grounds of conscience. This may be informed by religious, moral, philosophical, ethical, or personal beliefs. Currently, there is very little investigation into the impact of conscientious objection on service users in Britain. The perspectives of service users are imperative in understanding the real-world consequences and potential impact of conscientious objection and should be considered when creating and reviewing policies and guidelines. This research provided a platform for women and those who can become pregnant to share their experiences and opinions at a time when these voices are largely excluded in the great tradition of Western political philosophy and law-making processes. Method Five service users were interviewed using a narrative interview approach to uncover their abortion journeys and experiences of conscientious objection. Findings The findings were presented as found poems and uncovered that doctors are not always: informing service users that they have a conscientious objection to abortion, giving service users enough information to access abortion (indirect referral), treating them non-judgmentally, and providing medically correct information. Service users did not experience burdens such as long waiting times and were still able to access legal abortion. However, service users did experience negative emotional effects, as they were often left feeling scared, angry, and hopeless when they were not referred and/or were mistreated. Conclusions Findings indicate that conscientious objection could work in practice. However, it is currently failing some individuals on an emotional level, as not all doctors are adhering to guidelines. Conscientious objection in Britain needs to be addressed, to ensure service users receive fair, impartial, non-judgmental care

    Understanding the extent of and limitations to conscientious objection to abortion by health care practitioners: A hermeneutic study.

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    The United Kingdom's Abortion Act 1967 has attracted substantial controversy, which has centred not only on the regulation of abortion itself, but also on the extent to which conscientious objection should be permitted. The aim of this study was to examine a range of healthcare professionals' views on conscientious objection and identify the appropriate parameters of conscientious objection to abortion. Gadamer's hermeneutic was utilised to frame this study. We conducted semi-structured interviews in two UK locations with 18 pharmacists, 17 midwives, 12 nurses and nine doctors, encompassing a mix of conscientious objectors and non-objectors to abortion. A multi-faceted in-depth data analysis led to the development of a hermeneutic of "respecting self and others". Four major themes of "doing the job", "entrusting to others", "acknowledging institutional power" and "being selective" and 18 subthemes contributed to this overarching theme. The complexity of the responses indicates that there is little consistency within and between each profession. They show that participants who were conscientious objectors were accepted by their colleagues and accommodated without detriment to the service, and that in larger hospitals, such as those where our work was carried out, it is possible to be employed in the service areas that include abortion while still being a conscientious objector. Finally, our results indicate that, by respecting of self and others, each profession should be able to accommodate conscience-based objections where individual practitioners seek to exercise them. Conscientious objectors as well as non-objectors have something to contribute to the ongoing development of the maternity and gynaecological services as abortion is only a small part of the work of these services

    Why have a bottle when you can have draught? Exploring bottle refusal by breastfed babies.

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    Bottle refusal by breastfed babies is a scenario that has received surprisingly little attention in the literature, given the number of mothers who appear to be experiencing it globally and the subsequent negative impact it can have. In line with this, we undertook a study to explore mothers' views on why their breastfed baby refuses to bottle feed. A parallel, two-stage, exploratory qualitative design was employed using 30 semi-structured interviews and 597 online forum posts. Data were analysed using a thematic analysis, and a biopsychosocial model was applied resulting in four overarching themes being identified: 'Breastfeeding is the answer to everything….' 'Bottle feeding: an alien concept… 'Babies are individuals' and 'Find the right bottle and don't delay'. The psychological benefits of breastfeeding, not inherent in bottle feeding, appeared to underpin some mothers' views on their baby's refusal. Other mothers explained refusal as being down to a baby's biological expectation to be fed by the breast; therefore, bottle feeding was not a normal concept to them. A baby's individual personality and temperament were also suggested as contributing to the scenario and refusal was linked to babies disliking a certain brand of bottle and being introduced to it 'too late'. This study's findings point to a complex, multifactorial picture underpinning bottle refusal by breastfed babies, which transcends physical, psychological and biological concepts, and is influenced by socio-cultural norms surrounding infant feeding. Recognition of these contributing factors is needed to aid those supporting mothers experiencing the scenario and, importantly, to underpin mothers' decision-making around managing it

    Exploring pharmacists' views surrounding conscientious objection to abortion and implications in practice.

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    BACKGROUND: General Pharmaceutical Council standards (UK) state 'pharmacy professionals have the right to practise in line with their religion, personal values or beliefs as long as they …make sure that person-centred care is not compromised', indicating a potential conflict for pharmacists who wish to exercise their right to conscientious objection (CO) to abortion while maintaining a duty of care to their patients. OBJECTIVE: The objective of this study was to explore pharmacists' views of conscientious objection to abortion and whether this included the supply of EC and the impact on practice. METHOD: Eighteen UK pharmacists were interviewed using semistructured interviews. Interviews were transcribed verbatim, imported into NVivo11 and analysed using thematic analysis. KEY FINDINGS: Five themes were identified: beliefs as to what constitutes abortion, influences on beliefs, conflicts of conscience, accommodating conscience and professional obligations. Views were polarised in relation to the role of emergency contraception (EC) as an abortifacient. Religion was often viewed as the reason underpinning CO to abortion. Conflicts in relation to CO to abortion included the role of referral and EC and employability for objectors. Some pharmacists viewed their role of providing patient choice as incompatible with the right of CO to abortion. CONCLUSIONS: This study shows the conflicts and challenges surrounding CO to abortion in professional pharmacy practice. While the majority of pharmacists believe CO to abortion should and could be accommodated, this can prove challenging in certain working environments, both in relation to ensuring a duty of care to patients is upheld and due to the ongoing debate concerning EC and whether it has a definitive role in abortion or not
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