17 research outputs found
The invisible plan: how English teachers develop their expertise and the special place of adapting the skills of lesson planning
This paper analyses how English teachers learn to become expert designers of learning and why sharing that expertise is increasingly vital. Its conceptual framework is the widely recognised, empirically tested, five-stage developmental Dreyfus model of skill acquisition, exemplifying the development of teacher expertise, constituted by the āmilestoneā [m] and ātransitoryā [t] phases connecting with the five stages of: Novice [m], Advanced Beginner [t], Competent [m], Proficient [t] and Expert [m]. Teacher planning is analysed as one key tacit or non-tangible component of developing expertise. Focusing specifically on English teachers as key participants in this pioneer teacher cognition study, the defining characteristics of milestone stages of expertise development are explored with specific attention to the remarkably under-researched area of planning. We introduce three new categories, defining modes of planning: (i) visible practical planning, (ii) external reflective planning and (iii) internal reflective planning, demonstrating their role in teacher development through the Dreyfus five stages. English is a subject which suffers from frequent disruptive changes to curriculum and assessment: new learning designs are constantly demanded, making planning an ongoing challenge. The implications for practice include the importance of an explicit understanding of how teachersā planning moves through the three phases from the very āvisibleā novice phase to the internal relatively āautomaticā competent teacher and finally the seemingly āinvisibleā expert phase. Further research is needed to explore how English teachers can share planning expertise between the three phases to improve teachersā skills and student learning
Acceptability of intrapartum HIV counselling and testing in Cameroon
<p>Abstract</p> <p>Background</p> <p>To assess the acceptability of intrapartum HIV testing and determine the prevalence of HIV among labouring women with unknown HIV status in Cameroon.</p> <p>Method</p> <p>The study was conducted in four hospitals (two referral and two districts hospitals) in Cameroon. Labouring women with unknown HIV status were counselled and those who accepted were tested for HIV.</p> <p>Results</p> <p>A total of 2413 women were counselled and 2130 (88.3%) accepted to be tested for HIV. Of the 2130 women tested, 214 (10.1%) were HIV positive. Acceptability of HIV testing during labour was negatively associated with maternal age, parity and number of antenatal visits, but positively associated with level of education. HIV sero-status was positively associated with maternal age, parity, number of antenatal visits and level education.</p> <p>Conclusion</p> <p>Acceptability of intrapartum HIV testing is high and the prevalence of HIV is also high among women with unknown HIV sero-status in Cameroon. We recommend an opt-out approach (where women are informed that HIV testing will be routine during labour if HIV status is unknown but each person may decline to be tested) for Cameroon and countries with similar social profiles.</p
An Estimate of the Incidence of Prostate Cancer in Africa: A Systematic Review and Meta-Analysis
Prostate cancer (PCa) is rated the second most common cancer and sixth leading cause of
cancer deaths among men globally. Reports show that African men suffer disproportionately
from PCa compared to men from other parts of the world. It is still quite difficult to accurately
describe the burden of PCa in Africa due to poor cancer registration systems.We
systematically reviewed the literature on prostate cancer in Africa and provided a continentwide
incidence rate of PCa based on available data in the regio
Social Boundaries in Young Adult Females with Down Syndrome as a Foundation for Sexuality Education
Ethnomycological Studies of Edible and Medicinal Mushrooms in the Mount Cameroon Region (Cameroon, Africa)
Unusual Water-Soluble Imino Phosphine Ligand: Enamine and Imine Derivatives of 1,3,5-Triaza-7-phosphaadamantane (PTA)
A series of water-soluble
and air-stable <i>E</i>-enamine
derivatives of 1,3,5-triaza-7-phosphaadamantane (PTA), PTAī»CĀ(R)ĀNH<sub>2</sub>, <b>1</b>ā<b>4</b>, are reported along
with data on <i>EāZ</i> isomerization and tautomerization
to the imine form (PTA-CRī»NH). Reaction of 1,3,5-triaza-7-phosphaamantane-6-yl
lithium, PTA-Li, with aromatic nitriles afforded <i>E</i>-enamine derivatives of PTA in good yield (49ā91%). Phosphines <b>1</b>ā<b>4</b> are stable toward water and air, and
do not appear to isomerize or tautomerize, unless coordinated to a
metal or oxidized. The corresponding oxides, Oī»PTAī»CĀ(R)ĀNH<sub>2</sub> (<b>5</b>ā<b>8</b>), were observed as
ā¼55/45 mixtures of <i>E</i> and <i>Z</i> isomers. Kinetic data on the <i>EāZ</i> isomerization
is reported. Upon coordination of <b>1</b>ā<b>4</b> to WĀ(CO)<sub>4</sub>Ā(pip)<sub>2</sub>, a Īŗ<sup>1</sup>-<i>P</i> enamine is formed, [WĀ(CO)<sub>4</sub>(pip)Ā(Īŗ<sup>1</sup>-<i>P</i>-PTAī»CRNH<sub>2</sub>)]. Enamineāimine
tautomerization of the metal bound phosphine was observed resulting
in Īŗ<sup>2</sup>-<i>P</i>,<i>N</i> imine
complexes, [WĀ(CO)<sub>4</sub>(Īŗ<sup>2</sup>-<i>P</i>,<i>N</i>-PTA-CRī»NH)], <b>9</b>ā<b>12</b>. The crystal structures of the Īŗ<sup>1</sup>-<i>P</i> enamine <b>11a</b>, Īŗ<sup>2</sup>-<i>P</i>,<i>N</i> imine <b>9</b> and <b>12</b>, phosphines <b>1</b> and <b>3</b>, as well as phosphine
oxide <b>8a</b> were obtained. DFT calculations on the various
isomers of the phosphines and phosphine oxides are also reported
The invisible plan: how English teachers develop their expertise and the special place of adapting the skills of lesson planning
Incidences des cancers du sein et du col de lāutĆ©rus au Cameroun : Ć©volution sur 8 ans (2004ā2011)
Viral antiāinflammatory serpin reduces immunoācoagulopathic pathology in SARSāCoVā2 mouse models of infection
Abstract SARSāCoVā2 acute respiratory distress syndrome (ARDS) induces uncontrolled lung inflammation and coagulopathy with high mortality. Antiāviral drugs and monoclonal antibodies reduce early COVIDā19 severity, but treatments for lateāstage immunoāthrombotic syndromes and long COVID are limited. Serine protease inhibitors (SERPINS) regulate activated proteases. The myxoma virusāderived Serpā1 protein is a secreted immunomodulatory serpin that targets activated thrombotic, thrombolytic, and complement proteases as a selfādefense strategy to combat clearance. Serpā1 is effective in multiple animal models of inflammatory lung disease and vasculitis. Here, we describe systemic treatment with purified PEGylated Serpā1 as a therapy for immunoācoagulopathic complications during ARDS. Treatment with PEGSerpā1 in two mouseāadapted SARSāCoVā2 models in C57Bl/6 and BALB/c mice reduced lung and heart inflammation, with improved outcomes. PEGSerpā1 significantly reduced M1 macrophages in the lung and heart by modifying urokinaseātype plasminogen activator receptor (uPAR), thrombotic proteases, and complement membrane attack complex (MAC). Sequential changes in gene expression for uPAR and serpins (complement and plasminogen inhibitors) were observed. PEGSerpā1 is a highly effective immuneāmodulator with therapeutic potential for severe viral ARDS, immunoācoagulopathic responses, and Long COVID