bluuebunny/crossref_metadata_2025 huggingface dataset:
Order Now, Pickup in 30 Minutes: Managing Queues with Static Delivery Guarantees
Authors: Farahani Mehdi H. , Dawande Milind , Janakiraman Ganesh
Published: March 2022

The shift in the restaurant industry toward digital ordering argues for major changes in how orders are managed. The main difficulty in managing queues in online food-ordering services arises from the fact that, as opposed to dine-in customers, online customers are promised a pick-up time; customers are dissatisfied if the order is not completed by that time and are also dissatisfied if the order is completed much ahead of time because the food loses freshness. In “Order Now, Pickup in 30 Minutes: Managing Queues with Static Delivery Guarantees,” Farahani, Dawande, and Janakiraman propose and analyze strategies for managing queues in online food-ordering services with the goal of keeping customer satisfaction as high as possible.
A Data-Driven Approach for Baggage Handling Operations at Airports
Authors: Ruf Christian , Schiffels Sebastian , Kolisch Rainer , Frey Markus Matthäus
Published: March 2022

Before each flight departs, baggage has to be loaded into containers, which are then forwarded to the airplane. Planning the loading process consists of setting the start times for the loading process and depletion of the baggage storage as well as assigning handling facilities and workers. Flight delays and uncertain arrival times of passengers at the check-in counters require plans that are adjusted dynamically every few minutes and, hence, an efficient planning procedure. We propose a model formulation and a solution procedure that utilize historical flight data to generate reliable plans in a rolling planning fashion, allowing problem parameters to be updated in each reoptimization. To increase the tractability of the problem, we employ a column generation–based heuristic in which new schedules and work profiles are generated in subproblems, which are solved as dynamic programs. In a computational study, we demonstrate the robust performance of the proposed procedure based on real-world data from a major European airport. The results show that (i) the procedure outperforms both a constructive heuristic that mimics human decision making and a meta heuristic (tabu search) and (ii) being able to dynamically (re)allocate baggage handlers leads to improved solutions with considerably fewer left bags.
Machine learning methods for identification and classification of events inϕ-OTDR systems: a review
Authors: Kandamali Deus F. , Cao Xiaomin , Tian Manling , Jin Zhiyan , Dong Hui , Yu Kuanglu
Published: March 2022

The phase sensitive optical time-domain reflectometer (φ-OTDR), or in some applications called distributed acoustic sensing (DAS), has been a popularly used technology for long-distance monitoring of vibrational signals in recent years. Sinceφ-OTDR systems usually operate in complicated and dynamic environments, there have been multiple intrusion event signals and also numerous noise interferences, which have been a major stumbling block toward the system’s efficiency and effectiveness. Many studies have proposed different techniques to mitigate this problem mainly inφ-OTDR setup upgrades and improvements in data processing techniques. Most recently, machine learning methods for event classifications in order to help identify and categorize intrusion events have become the heated spot. In this paper, we provide a review of recent technologies from conventional machine learning algorithms to deep neural networks for event classifications aimed at increasing the recognition/classification accuracy and reducing nuisance alarm rates (NARs) inφ-OTDR systems. We present a comparative analysis of the current classification methods and then evaluate their performance in terms of classification accuracy, NAR, precision, recall, identification time, and other parameters.
Numerical analysis of pulsing regimes near static borders of optically injected semiconductor lasers
Authors: Rodriguez Sergio , Campuzano Gabriel , Aldaya Ivan , Castañón Gerardo
Published: March 2022

It is well known that semiconductor lasers under optical injection present rich, dynamic behavior. In this paper, we focus on pulsing regimes, which can be either exploited in a broad variety of applications or lead to undesired instabilities. In particular, we develop a multi-metric method to automatically identify pulsing regimes in the parameter space. We apply this method to extensive numerical simulations to show that these regimes occur in the vicinity of the static synchronization boundary. Furthermore, analyzing these pulsing regimes, we identify pulsations with repetition rates ranging from several megahertz up to more than 1 GHz. Finally, we analyze the effect of the linewidth enhancement factor and the slave-laser bias current, revealing that a linewidth enhancement factor of 3 and a higher bias current lead to broader regions of pulsation regimes.
Resonant-cavity-enhanced p-i-n photodetector using a high-contrast-grating for 940nm
Authors: Guan Mingyue , Chang-Hasnain Connie
Published: March 2022

Two novel top mirror designs of high contrast gratings (HCG) are used as the top mirrors of the resonant-cavity enhanced photodetector (RCE PD) operating at 940 nm. The bottom mirror is composed of 36-pair AlAs/GaAs, while the top mirror is a thin-layer grating providing reflectivity higher than 99%. With grating periods varying from 450 to 490 nm, different designs with FWHM of about 0.2∼3 nm are attained. A broadband HCG as top reflector can result in significantly improved manufacturing cost, as well as near unity quantum efficiency (QE). A resonator HCG can result in a new splitting responsivity spectrum with on-off ratio of 14 dB, which has the potential to serve as the basic elements of ternary system, polarization dichroism or diattenuation, and optical switch.
Wide field of view re-configurable foveal projection systems using a phase only spatial light modulator: an application to a new generation of automotive HUDs
Authors: Chakir Soukaina , Mermillod Pierre , Heggarty Kevin , de Bougrenet de la Tocnaye Jean Louis
Published: March 2022

This paper shows how a phase only spatial light modulator (SLM) can be used to implement compact, wide field of view (FOV) projection systems, using a foveal imaging approach. The SLM is tested in two different configurations. First, as a wavefront corrector to locally compensate aberrations in wide angle projection, when illuminated by a white (RGB) light source. Second, as re-configurable diffractive optical element (DOE) to display phase computer generated holograms (CGHs) of wide angle images, that include aberration corrections for peripheral regions of interest (ROI) of the output image, when illuminated by a coherent source. Finally, the foveal projection system is coupled with a commercial combiner to project 11° ×4° virtual images at 2~m and assess the foveal correction method on different ROIs in the FOV.
Security enhancement for adaptive optics aided longitudinal orbital angular momentum multiplexed underwater wireless communications
Authors: Zhu Lei , Xin Xiangjun , Chang Huan , Wang Xishuo , Tian Qinghua , Zhang Qi , Gao Ran , Liu Bo
Published: March 2022

The frozen-wave-based longitudinal orbital angular momentum multiplexing (LOAMM) system developed in [IEEE Photonics J. 10, 7900416 (2018)10.1109/JPHOT.2017.2778238] has the potential to overcome the crosstalk effects induced by turbulence. In this paper, we propose a defocus measurement aided adaptive optics (DMA-AO) technique for turbulence compensation in a LOAMM underwater wireless optical communication (UWOC) system to investigate the enhancement of physical layer security. Relying on a phase retrieval algorithm and probe beam, three amplitude-only measurements obtained from different back focus planes can realize phase reconstruction of distorted OAM beams. Moreover, the so-called mixture generalized gamma-Johnson S
B
(GJSB) distribution is proposed to characterize the probability density function (PDF) of reference-channel irradiance of OAM. The GJSB allows for obtaining closed-form and analytically tractable expression for the probability of strictly positive secrecy capacity (SPSC) in a single input single output (SISO) system. Furthermore, the average secrecy capacity (ASC) and probability of SPSC for a multiple input multiple output (MIMO) system are investigated. Compared to the traditional OAM multiplexing system based on Laguerre-Gaussian (LG) beams, the LOAMM system with a probe beam assisted DMA-AO technique has potential advantages for improving the security performance in UWOC.
Detecting cylindrical vector beams with an on-chip plasmonic spin-Hall metalens
Authors: Fu Yanan , Wang Yulong , Zhang Yuquan , He Yejun , Min Changjun , Yuan Xiaocong
Published: March 2022

In recent years, singular optical beams, including optical vortex (OV) beams with phase singularities and cylindrical vector beams (CVBs) with polarization singularities, have brought new degrees of freedom for many applications. Although there have been various microscale devices for OV detection, the detection of CVBs with a microscale device is still a challenge. Here, we propose a new method for detection of CVBs with a designed on-chip plasmonic spin-Hall metalens structure. The focal position of the metalens and the splitting effect of at focus are studied in both an analytical model and numerical simulation. The results demonstrate that the metalens can not only detect different polarization orders of incident CVBs but also have an ability to distinguish radial, azimuthal and other vectorial polarization states under the same order of CVBs. This method has potential applications in compact integrated optical communication and processing systems.
The impact of individual perceptual and cognitive factors on collective states in a data-driven fish school model
Authors: Wang Weijia , Escobedo Ramón , Sanchez Stéphane , Sire Clément , Han Zhangang , Theraulaz Guy
Published: March 2022

In moving animal groups, social interactions play a key role in the ability of individuals to achieve coordinated motion. However, a large number of environmental and cognitive factors are able to modulate the expression of these interactions and the characteristics of the collective movements that result from these interactions. Here, we use a data-driven fish school model to quantitatively investigate the impact of perceptual and cognitive factors on coordination and collective swimming patterns. The model describes the interactions involved in the coordination of burst-and-coast swimming in groups ofHemigrammus rhodostomus. We perform a comprehensive investigation of the respective impacts of two interactions strategies between fish based on the selection of the most or the two most influential neighbors, of the range and intensity of social interactions, of the intensity of individual random behavioral fluctuations, and of the group size, on the ability of groups of fish to coordinate their movements. We find that fish are able to coordinate their movements when they interact with their most or two most influential neighbors, provided that a minimal level of attraction between fish exist to maintain group cohesion. A minimal level of alignment is also required to allow the formation of schooling and milling. However, increasing the strength of social interactions does not necessarily enhance group cohesion and coordination. When attraction and alignment strengths are too high, or when the heading random fluctuations are too large, schooling and milling can no longer be maintained and the school switches to a swarming phase. Increasing the interaction range between fish has a similar impact on collective dynamics as increasing the strengths of attraction and alignment. Finally, we find that coordination and schooling occurs for a wider range of attraction and alignment strength in small group sizes.
Missense variants in human ACE2 strongly affect binding to SARS-CoV-2 Spike providing a mechanism for ACE2 mediated genetic risk in Covid-19: A case study in affinity predictions of interface variants
Authors: MacGowan Stuart A. , Barton Michael I. , Kutuzov Mikhail , Dushek Omer , van der Merwe P. Anton , Barton Geoffrey J.
Published: March 2022

SARS-CoV-2 Spike (Spike) binds to human angiotensin-converting enzyme 2 (ACE2) and the strength of this interaction could influence parameters relating to virulence. To explore whether population variants in ACE2 influence Spike binding and hence infection, we selected 10 ACE2 variants based on affinity predictions and prevalence in gnomAD and measured their affinities and kinetics for Spike receptor binding domain through surface plasmon resonance (SPR) at 37°C. We discovered variants that reduce and enhance binding, including three ACE2 variants that strongly inhibited (p.Glu37Lys, ΔΔG = –1.33 ± 0.15 kcal mol-1 and p.Gly352Val, predicted ΔΔG = –1.17 kcal mol-1) or abolished (p.Asp355Asn) binding. We also identified two variants with distinct population distributions that enhanced affinity for Spike. ACE2 p.Ser19Pro (ΔΔG = 0.59 ± 0.08 kcal mol-1) is predominant in the gnomAD African cohort (AF = 0.003) whilst p.Lys26Arg (ΔΔG = 0.26 ± 0.09 kcal mol-1) is predominant in the Ashkenazi Jewish (AF = 0.01) and European non-Finnish (AF = 0.006) cohorts. We compared ACE2 variant affinities to published SARS-CoV-2 pseudotype infectivity data and confirmed that ACE2 variants with reduced affinity for Spike can protect cells from infection. The effect of variants with enhanced Spike affinity remains unclear, but we propose a mechanism whereby these alleles could cause greater viral spreading across tissues and cell types, as is consistent with emerging understanding regarding the interplay between receptor affinity and cell-surface abundance. Finally, we compared mCSM-PPI2 ΔΔG predictions against our SPR data to assess the utility of predictions in this system. We found that predictions of decreased binding were well-correlated with experiment and could be improved by calibration, but disappointingly, predictions of highly enhanced binding were unreliable. Recalibrated predictions for all possible ACE2 missense variants at the Spike interface were calculated and used to estimate the overall burden of ACE2 variants on Covid-19.
Reaching articular limits can negatively impact embodiment in virtual reality
Authors: Porssut Thibault , Blanke Olaf , Herbelin Bruno , Boulic Ronan
Published: March 2022

Providing Virtual Reality(VR) users with a 3D representation of their body complements the experience of immersion and presence in the virtual world with the experience of being physically located and more personally involved. A full-body avatar representation is known to induce a Sense of Embodiment (SoE) for this virtual body, which is associated with improvements in task performance, motivation and motor learning. Recent experimental research on embodiment provides useful guidelines, indicating the extent of discrepancy tolerated by users and, conversely, the limits and disruptive events that lead to a break in embodiment (BiE). Based on previous works on the limit of agency under movement distortion, this paper describes, studies and analyses the impact of a very common yet overlooked embodiment limitation linked to articular limits when performing a reaching movement. We demonstrate that perceiving the articular limit when fully extending the arm provides users with an additional internal proprioceptive feedback which, if not matched in the avatar’s movement, leads to the disruptive realization of an incorrect posture mapping. This study complements previous works on self-contact and visuo-haptic conflicts and emphasizes the risk of disrupting the SoE when distorting users’ movements or using a poorly-calibrated avatar.
Are early childhood stunting and catch-up growth associated with school age cognition?—Evidence from an Indian birth cohort
Authors: Koshy Beena , Srinivasan Manikandan , Gopalakrishnan Sowmiya , Mohan Venkata Raghava , Scharf Rebecca , Murray-Kolb Laura , John Sushil , Beulah Rachel , Muliyil Jayaprakash , Kang Gagandeep
Published: March 2022

Background

Millions of children worldwide especially in the Asian subcontinent are vulnerable to early childhood stunting. There are contradictory reports of the association between catch-up growth in childhood and school age cognition.

Methods

A community-based birth cohort recruited between 2010 and 2012 from urban slums in Vellore, India was followed up until 9 years of age. From regular anthropometric measurements, stunting status for each individual child was calculated at 2, 5 and 9 years. Cognition was assessed at 9 years of age using the Malin’s Intelligence Scale for Indian Children (MISIC). Children were divided into groups based on stunting at each time point as well as catch-up growth, and a regression model was utilised to evaluate their association with cognition at 9 years.

Results

Among 203 children included in this analysis, 94/203 (46.31%) children were stunted at 2 years of age, of whom 39.36% had a catch-up growth at 5 years of age, and 38.30% at 9 years. Around 10% of the cohort remained stunted at all time points. In the multivariable analysis, children who were stunted at 2, 5 and 9 years had a significantly lower verbal and total intelligence quotient (IQ) scores by 4.6 points compared to those who were never stunted. Children with catch up growth following stunting at 2 years had higher cognition scores than those who were persistently stunted throughout the childhood.

Conclusions

This study showed persistent stunting in childhood was associated with lowering of 4–5 IQ points in childhood cognition at 9 years of age. Recovery from early life stunting in children with catch up growth prevented further lowering of cognition scores in these children compared to persistently stunted children. Nutritional supplementation during late infancy and early toddlerhood in addition to continuing nutritional supplementation programmes for preschool and school children can improve childhood stunting and cognitive abilities in vulnerable populations.
Influence of age on gadoxetic acid disodium-induced transient respiratory motion artifacts in pediatric liver MRI
Authors: Hojreh Azadeh , Ba-Ssalamah Ahmed , Lang Christian , Poetter-Lang Sarah , Huber Wolf-Dietrich , Tamandl Dietmar
Published: March 2022

Purpose

Gd-EOB-DTPA-enhanced liver MRI is frequently compromised by transient severe motion artifacts (TSM) in the arterial phase, which limits image interpretation for the detection and differentiation of focal liver lesions and for the recognition of the arterial vasculature before and after liver transplantation. The purpose of this study was to investigate which patient factors affect TSM in children who undergo Gd-EOB-DTPA-enhanced liver MRI and whether younger children are affected as much as adolescents.

Methods

One hundred and forty-eight patients (65 female, 83 male, 0.1–18.9 years old), who underwent 226 Gd-EOB-DTPA-enhanced MRIs were included retrospectively in this single-center study. The occurrence of TSM was assessed by three readers using a four-point Likert scale. The relation to age, gender, body mass index, indication for MRI, requirement for sedation, and MR repetition was investigated using uni- and multivariate logistic regression analysis.

Results

In Gd-EOB-DTPA-enhanced MRIs, TSM occurred in 24 examinations (10.6%). Patients with TSM were significantly older than patients without TSM (median 14.3 years; range 10.1–18.1 vs. 12.4 years; range 0.1–18.9, p<0.001). TSM never appeared under sedation. Thirty of 50 scans in patients younger than 10 years were without sedation. TSM were not observed in non-sedated patients younger than 10 years of age (p = 0.028). In a logistic regression analysis, age remained the only cofactor independently associated with the occurrence of TSM (hazard ratio 9.152, p = 0.049).

Conclusion

TSM in Gd-EOB-DTPA-enhanced liver MRI do not appear in children under the age of 10 years.
Satisfaction with regular hospital foodservices and associated factors among adult patients in Wolaita zone, Ethiopia: A facility-based cross-sectional study
Authors: Teka Meskerem , Dihar Gargi , Dana Tadele , Asnake Gedion , Wakgari Negash , Bonger Zeleke , Daga Wakgari Binu
Published: March 2022

Background

Food service in hospital is one of the essential parts of the treatment process that determines recovery length and a hospital stay of patients. Even though many researches have been conducted on patients’ satisfaction with healthcare services, there is a lack of studies that specifically address the satisfaction with food service at healthcare facilities in Ethiopia. This study aimed to assess patient satisfaction with regular hospital food service and associated factors among adults admitted to in-patient departments of hospitals.

Methods

A hospital-based cross-sectional study design was conducted to interview 423 patients admitted to three randomly selected hospitals namely Wolaita Sodo University Referral and Teaching Hospital, Dubo St. Catholic Hospital and Sodo Christian Hospital. Participants were recruited based on probability proportional to the number of clients in each hospital. After data entry using EpiInfo v7.2.2.6, the data were exported to SPSS v23 software for further analysis. Bivariate and multivariate logistic regressions were undertaken to see the association between variables. Statistically significant variables were declared using an adjusted odds ratio with a 95% confidence interval.

Result

Among the total participants 33.6% (95%CI: [29.1, 38.3]) of patients were satisfied with regular hospital food services. Multivariate analysis revealed that residence (AOR = 2.16; 95%CI: [1.28, 3.63]), monthly income (AOR = 5.64; 95%CI: [2.30, 8.28]), flavour of meal, (AOR = 2.63; 95%CI: [1.34, 5.56]), and provision of easily chewable food (AOR = 7.50; 95%CI: [2.00, 12.82]) were influencing factors for satisfaction on hospital foodservices.

Conclusion

This research ascertained a low patient satisfaction with regular hospital meal service. The identified factors need to be addressed giving attention for each foodservice dimension to scale up the patient satisfaction with hospital food services.
Automatic intra-subject registration and fusion of multimodal cochlea 3D clinical images
Authors: Al-Dhamari Ibraheem , Helal Rania , Morozova Olesia , Abdelaziz Tougan , Jacob Roland , Paulus Dietrich , Waldeck Stephan
Published: March 2022

Background

The postoperative imaging assessment of Cochlear Implant (CI) patients is imperative. The main obstacle is that Magnetic Resonance imaging (MR) is contraindicated or hindered by significant artefacts in most cases with CIs. This study describes an automatic cochlear image registration and fusion method that aims to help radiologists and surgeons to process pre-and postoperative 3D multimodal imaging studies in cochlear implant (CI) patients.

Methods and findings

We propose a new registration method, Automatic Cochlea Image Registration (ACIR-v3), which uses a stochastic quasi-Newton optimiser with a mutual information metric to find 3D rigid transform parameters for registration of preoperative and postoperative CI imaging. The method was tested against a clinical cochlear imaging dataset that contains 131 multimodal 3D imaging studies of 41 CI patients with preoperative and postoperative images. The preoperative images were MR, Multidetector Computed Tomography (MDCT) or Cone Beam Computed Tomography (CBCT) while the postoperative were CBCT. The average root mean squared error of ACIR-v3 method was 0.41 mm with a standard deviation of 0.39 mm. The results were evaluated quantitatively using the mean squared error of two 3D landmarks located manually by two neuroradiology experts in each image and compared to other previously known registration methods, e.g. Fast Preconditioner Stochastic Gradient Descent, in terms of accuracy and speed.

Conclusions

Our method, ACIR-v3, produces high resolution images in the postoperative stage and allows for visualisation of the accurate anatomical details of the MRI with the absence of significant metallic artefacts. The method is implemented as an open-source plugin for 3D Slicer tool.
Nursing students admitted through the affirmative action system display similar performance in professional and academic trajectories to those from the regular path in a public school in Brazil
Authors: Biazotto Marize Lima de Sousa Holanda , Donato Göttems Leila Bernarda , Bittencourt Fernanda Viana , de Araújo Gilson Roberto , Soares Fernandes Sérgio Eduardo , Lopes Rodrigues Carlos Manoel , de Assis Rocha Neves Francisco , Amorim Fábio Ferreira
Published: March 2022

Objectives

Affirmative action providing higher education access for socially vulnerable students has been implemented in several countries. However, these policies remain controversial. This study compares the performance of students admitted through the regular path and social quota systems, during and after completion of nursing education, in a public nursing school in Brazil.

Methods

This retrospective cohort study included all students admitted to nursing school at the School of Health Sciences (ESCS), Brazil, between 2009 and 2014, who were followed until May 2020. The first phase involved document analysis from the ESCS academic management system and Brazilian government agencies. In the second phase, a survey was conducted among the alumni. The social quota system criterion was public school attendance across all primary and secondary education levels.

Results

Of the 448 students included in the study, 178 (39.7%) were from the affirmative action and 270 (60.3%) from the regular path systems. Affirmative action students were older at the time of nursing school admission (p < 0.001) and took longer to be admitted to the nursing school (p < 0.001) after completing high school. There were no significant differences in the dropout rates and years to complete nursing school. In the second phase, 108 alumni answered the survey. No significant differences were found in their participation in the undergraduate scientific research program and university extension projects, attending residency programs, getting a master’s degree and doctoral degree, monthly income, teaching activity, joining public service through a government job competition process, participation in management activities in the private and public health sector, and degree of job satisfaction.

Conclusion

Our results revealed that affirmative action is a policy that contributes to the reduction of inequalities and guarantees the training of nursing professionals with a similar professional qualification received through affirmative action and regular path systems.
Mortality and associated risk factors in patients hospitalized due to COVID-19 in a Peruvian reference hospital
Authors: Soto Alonso , Quiñones-Laveriano Dante M. , Azañero Johan , Chumpitaz Rafael , Claros José , Salazar Lucia , Rosales Oscar , Nuñez Liz , Roca David , Alcantara Andres
Published: March 2022

Objectives

To determine the risk factors for in-hospital mortality in patients with COVID-19 from a Peruvian national hospital.

Methods

Retrospective cohort study of medical records of patients with COVID-19 hospitalized at Hospital Nacional Hipólito Unanue (HNHU) during the months of April to August 2020. The dependent variable was in-hospital mortality. Independent variables included sociodemographic and clinical characteristics, physical examination findings, oxygen saturation (SaO2) at admission, treatment received during hospitalization and laboratory results at admission. A Cox regression model was used to evaluate the crude and adjusted hazard ratios for associated factors.

Results

We included 1418 patients. Median age was 58 years (IQR 47–68 years) and 944 (66.6%) were male. The median length of hospitalization was 7 (4–13) days, and the mortality rate was 46%. The most frequent comorbidities were type 2 diabetes mellitus, hypertension, and obesity. In the adjusted analysis, mortality was associated with age (HR 1.02; 95%CI 1.02–1.03), history of surgery (HR 1.89; 95%CI 1.31–2.74), lower oxygen saturation at admission (HR 4.08; CI95% 2.72–8.05 for SaO2<70% compared to SaO2>94%), the presence of poor general condition (HR 1.81; 95% CI 1.29–2.53), altered state of consciousness (HR 1.58; 95%CI 1.18–2.11) and leukocyte levels (HR 1.01; 95%CI 1.00–1. 02). Treatment with ivermectin (HR 1.44; 95%CI 1.18–1.76) and azithromycin (HR 1.25; 95%CI 1.03–1.52) were associated with higher mortality. Treatment with corticosteroids at low to moderate doses was associated with lower mortality (HR 0.56 95%CI 0. 37–0. 86) in comparison to no steroid use.

Conclusion

A high mortality was found in our cohort. Low oxygen saturation at admission, age, and the presence of hematological and biochemical alterations were associated with higher mortality. The use of hydroxychloroquine, ivermectin or azithromycin was not useful and was probably associated with unfavorable outcomes. The use of corticosteroids at moderate doses was associated with lower mortality.
The Comparison of the Analgesic and Anti-Inflammatory Effect of Two NSAIDs in Patients Undergoing Third Molar Surgery Using C - Reactive Protein Estimation
Authors: K. Raja Harsha , Thomas Titus K.
Published: March 2022

BACKGROUND Surgical removal of the lower impacted third molar is the most classic procedure performed in oral surgery. This procedure is often linked with hard and soft tissue manipulation leading to activation of acute-phase inflammatory response. This has led to the development of serum inflammatory biomarkers which has given the advantage of reducing the prolonged use of prophylactic antibiotics and an analgesic. The purpose of this study was to determine the analgesic and antiinflammatory effects of two NSAIDs in patients undergoing third molar surgery and assess the serum CRP levels preoperatively and postoperatively. METHODS Our study was carried out on twenty (20) healthy volunteering young adults who reported to the Department of Oral and Maxillofacial Surgery, Meenakshi Ammal Dental College & Hospital, Chennai, for the surgical removal of impacted mandibular third molars. Patients were enrolled in two groups. Each group was subjected to the withdrawal of a venous blood sample of 2 ml preoperatively, immediately 1 hr after the surgery and on the third postoperative day. A turbidimetric test was done for CRP level on all these samples and the results were analyzed. RESULTS An investigation was performed to find the association of gender, age, difficulty index, duration of surgery and pain scores by using a biochemical marker – C - reactive protein. The ibuprofen group showed increased postoperative 72 hr CRP levels and diclofenac group showed decreased postoperative 72 hr CRP levels in comparison to initially measured preoperative CRP levels regardless of an increase or decrease in the duration of the surgery. CONCLUSIONS Thus, it can be concluded that a non-steroidal anti-inflammatory drug like diclofenac is a better analgesic and anti-inflammatory drug than ibuprofen in controlling the pain perception and inflammation responses based on inflammatory biomarker–C-reactive protein levels. An inflammatory biomarker like CRP is a reliable and potent indicator of various inflammatory responses. KEY WORDS NSAIDS, CRP, Molar, Analgesics.
Postoperative Nausea and Vomiting - A Comparative Study between Palonosetron Vs. Ondansetron in Laparoscopic Cholecystectomies in a Tertiary Health Care Set Up
Authors: Debnath Joydeep
Published: March 2022

BACKGROUND Postoperative nausea and vomiting (PONV) are the most common complication seen following laparoscopic surgeries. We have conducted a study between two 5 HT3 antagonist palonosetron and ondansetron in patients undergoing laparoscopic cholecystectomies. METHODS A total of 180 patients, aged between 25–55 years, posted for elective laparoscopic cholecystectomies under general anaesthesia belonging to the American Society of Anesthesiologist (ASA), divided into one of two groups (n=90), ASA- I & II were included in the study. Before induction, patients in the first group (Group I) received 0.075 mg palonosetron and patients in the second group (Group II) received 8 mg ondansetron. Postoperatively, any incidences of early or delayed vomiting, requirement of rescue antiemetic, and side effects were recorded. Patient’s hemodynamics were also monitored. Statistical analysis was done using Student’s ttest, chi-square test, and Fisher’s exact test. RESULTS Preoperative, intraoperative, and postoperative heart rate, mean arterial pressure, peripheral capillary oxygen saturation was statistically not significant (p>0.050) in either group. In Group II, 16 patients had nausea in the first two hours and 6 patients had nausea in the two to six-hour postoperative period. In Group I, 6 patients experienced nausea in the first six hours period. 16 patients in Group II had vomited in the first two-hour period compared to 2 patients in Group I (p=0.013). The requirement of rescue antiemetic was greater in Group II than Group I (20% vs. 4%). No side effects were observed. CONCLUSIONS Palonosetron is more effective in treating PONV compared to ondansetron in patients undergoing elective laparoscopic cholecystectomies under general anaesthesia. KEY WORDS Postoperative Nausea and Vomiting, Palonosetron, Ondansetron, Laparoscopic Cholecystectomies.
Giant Ovarian Cyst Presenting as an Intra-Abdominal Mass
Authors: Narayan Dhruv , Jain Archit , Shrivastava Amit , Jindal Gunjan , Yadav Komal
Published: March 2022

Giant ovarian cysts are tumours of the ovary presenting with diameters greater than 10 cm. They have become rare in recent days as they are diagnosed and managed early due to the modern imaging modalities. An 18-year-old female patient was admitted with abdominal distension and was detected to have a serous cystadenoma measuring 33 cm arising from the right ovary, which is presented in this report. Our aim is to show how a huge cystic ovarian mass can mislead the diagnosis of ascites or mesenteric/omental cysts in an adolescent woman. Cystic abdominopelvic tumours are common and are diagnosed early due to the availability of modern imaging modalities. The differential diagnosis is extensive and includes paraovarian cyst, peritoneal/mesenteric cyst, appendiceal mucocele, cystic adenomyosis etc.1 Ovarian cysts rarely reach a large size and are generally asymptomatic at early stages and causing symptoms only after reaching enormous dimensions. The symptoms include progressive abdominal distension, nonspecific abdominal pain, constipation, early satiety, vomiting and frequent micturition. Only a few cases of giant ovarian cysts have been sporadically reported in the literature.2,3,4 Serous tumours are the most common cystic neoplasms of the ovary, 60 % of which are benign. Surgical management is the preferred treatment. We present a case of a giant ovarian cyst (GOC) in an 18-year-old female that turned out to be a benign serous cystadenoma of the ovary on histopathological examination. Very few cases of GOCs masquerading as ascites or mesenteric cysts have been reported.5 This case is reported to increase the suspicion index of serous cystadenoma in the case of giant intra-abdominal cysts in young women.
Female Christian Responses to Contexts of Imposed Impostorism
Authors: Davis Abdallah Amy F.
Published: March 2022

Many individuals have periodic doubts about whether they belong in the position they occupy. Some find a way to ignore or otherwise move beyond those doubts, especially if they have outward evidence that they do belong, that they are not a fraud, not an impostor. This outward evidence is usually skill and experience. It seems more challenging to move beyond the doubts when the sources of these doubts are not only internal to the person but also external or structural. Systems and structures exist that seem to say to some, “you belong,” and to others, “you do not belong.” For centuries, women have been told by Christian hierarchical structures that they do not belong in church leadership in spite of evidenced skill. Their female bodies are marginalized in church and society. For our purposes, contexts that tell women they do not belong and are impostors will be named contexts of Imposed Impostorism (II). How do women respond to these contexts? Three choices seem to exist. First, agree and shrink back. Second, overcome Impostor Phenomenon (IP), the internalization that you do not, in fact, belong, and “walk on,” doing the work. And third, agree humbly that you do not belong in order to disarm the audience and walk on. The first response seems to have always existed, the second is current since studies of IP are relatively recent, and the third is historical; we are particularly interested in how Teresa of Avila and Katharina Zell enact it. The responses interact with the virtue of humility and gendered stereotypes, and have different measures of power.
Nature as a Mode of Accumulation
Authors: Foster John Bellamy
Published: March 2022

From September to November 2021, overlapping with the 2021 UN Climate Change Conference negotiations in Glasgow, three major interrelated developments occurred in global finance. Taken together, these changes mark a turning point in the financial expropriation of the earth and the culmination of a theoretical shift in the dominant economic paradigm aimed at the unlimited accumulation of total capital, which is now seen as including "natural capital."
Confession
Authors: Turner Raymond Nat
Published: March 2022

A new poem by Raymond Nat Turner.
Hubungan antara Pola Asuh Keluarga dengan Kejadian Balita Stunting pada Keluarga Miskin di Palembang
Authors: Bella Febriani Dwi , Fajar Nur Alam , Misnaniarti M
Published: March 2022

Background: Stunting is a result of a malnutrition state that accumulates for an extended time and is a threat to the future of Indonesian children. The incidence of toddler’s stunting is indirectly related to the role of parenting in the family, namely feeding, nurturing, hygiene and getting health services. The aim of the study was to analyze the correlation of parenting to the incidence of toddler’s stunting on poor families in Palembang.Methods: This research was an observational study which using a quantitative approach with a Cross Sectional Study design on March 2019. Data samples of 100 mothers who had children aged 24-59 months from poor families in Palembang were chosen by proportional random sampling.Result: The results showed that the proportion of toddler’s stunting in poor families in Palembang was 29%. The results of bivariate analysis showed that there was a relationship between feeding habits (p = 0,000); parenting habits (p = 0.001); hygiene habits (p = 0.021); and the habit of getting health services (p = 0,000) with the incidence of stunting for toddlers.Conclusion : Normal height (not stunting) toddlers have parenting habits such as feeding habits, nurturing habits, hygiene habits and the habit of getting health services better than stunting toddlers in the same economic backgrounds family.
Growth performance and nutrient digestibility of broilers fed different type of diets and feed additives
Authors: Nalle C. L. , Helda H. , Toelle N. , Mawaddah U.
Published: March 2022

This research aimed to evaluate the nutrient digestibility and the growth performance of broilers fed a different type of diet (TD) and feed additives (FA). A total of 264 day-old chicks (male, Lohmann) were randomly distributed into 24 pens (11 birds/pen). The experiment was designed by using a 2 x 4 factorial completely randomized design with the main factors TD and FA. The result shows that TD x FA interaction was significant (p<0.05-0.001) for feed intake (FI) and body weigt gain (BWG) of starter broilers. The TD, FA, and TD x FA affected (p<0.01-0.001) growth performance (GP) of growing broilers. TD and TD x FA interaction affected liver weight and the length of proventriculus and gizzard (p<0.05 to 0.001). Except for starch, the TD did not affect (p>0.05) nutrient digestibility (ND) and energy values (EV). Except for crude protein, FA did not affect (p>0.05) on ND and EV. The TD x FA interaction did not affect ND and EV. TD affected (p<0.05–0.001) on FI and BWG)of starter broilers. Except for day 7, FA influenced (p<0.01–0.001) FI and BWG of starter broilers. In conclusion, 1) The addition of Synbiotics and Allzyme SSF-E on Rice bran-sago diet (RSD) improved the GP of birds; and 2) The complex and multi enzymes work well in the rice bran-sago diet  3) RSD produced better growth performance of broiler starter.
Supplementation of garlic powder and Lactobacillus casei to improve nutrient digestibility, physiological conditions, and performance of broiler during starter phase
Authors: Mangisah I. , Yunianto V. D. , Sumarsih S. , Sugiharto S.
Published: March 2022

This study aimed to assess the effect of a mixture of garlic powder and Lactobacillus casei (GLC) on intestinal development, hematological parameters, nutrient digestibility, and performance of broilers in the starter phase. One hundred forty 1-day-old broiler chicks were divided into four groups, namely control (not given GLC supplement) and given GLC supplement either 1%, 2%, and 3% of total feed. Chickens were reared for 21 days in an open cage. On the 21st day of the experiment, blood collection, lymphoid organ and digestive organ weight, and performance data were recorded. Accumulative feed intake until day 21 did not differ (P>0.05) among treatment groups. In this study, there were improvements in the height of villi in the jejunum, and the acidity in the duodenum and caecum, due to the increase of short-chain fatty acids (SCFA: acetate and propionate). Protein and crude fiber digestibility in the GLC-given chickens was significantly higher than in the control group ((P≤0.05). GLC supplementation (1%, 2%, and 3% of total feed) significantly increased body weight gain and improved feed conversion ratio (FCR) (P≤0.05). In conclusion, the use of GLC during the starter phase can improve the nutrient digestibility, intestinal health, and performance of broiler chickens.
Sprawozdanie z VI Konferencji Szkoleniowej i IX Poznańskiego Salonu Mediacji „Rola sądu w mediacji”, Poznań, 4 listopada 2021 roku
Authors: Mucha Joanna
Published: March 2022

Sprawozdanie z VI Konferencji Szkoleniowej i IX Poznańskiego Salonu Mediacji „Rola sądu w mediacji”, Poznań, 4 listopada 2021 roku
Regulacje prawne w zakresie szczepień ochronnych przeciwko COVID-19 – problemy wybrane
Authors: Szudejko Piotr , Jachimowicz-Jankowska Paulina
Published: March 2022

Undoubtedly, the end of 2019 will be recorded in the annals of modern human history as a time which resulted in an unprecedented event. This is because this year, the global epidemic of the SARS-CoV-2 virus broke out. This virus, on the other hand, leads to the development of an acute infectious disease of the respiratory tract, known as COVID-19. Therefore, the state of epidemic threat that was initially introduced in Poland, and then transformed into the current epidemic state, requires a particular reaction from the state authorities and also, it would seem, an appropriate response to the situation by the citizens themselves. In such exceptional circumstances, the obligation arises for the state to protect the life and health of its citizens, both in the area of enacting the relevant law and its implementation. However, there is a remedy for the growing number of new cases of COVID-19 and deaths in this context, namely the possibility of performing preventive vaccinations against this disease. This article aims to analyze and evaluate the legal regulations on preventive vaccinations against COVID-19 introduced in Poland. In this regard, reference is made to the basic assumptions used in the constitutional model of health care inPoland. In this context, the principle of equal access to health care services financed from public funds and the constitutional exceptions to the principle of equal access to benefits, such as children, pregnant women, disabled and elderly people are discussed, as well as the principle of the active role of the state in combating epidemic threats. These considerations are complemented by an outline of the statutory and sub-statutory solutions in the health care model. The analysis also covers legal solutions adopted with regard to the COVID-19 epidemic, and presents the distribution of SARS-CoV-2 vaccines as well as restrictions, orders and bans in connection with the epidemic. In addition, the compliance of the distribution of SARS-CoV-2 vaccines with the constitutional model of health protection is assessed, with the criteria for assessing this distribution in the context of establishing the state of the epidemic being singled out.
The viú Púmpaiianú and the Kaílú of Jupiter Meilichios
Authors: Poehler Eric , van der Graaff Ivo
Published: March 2022

In 1851 excavators working at the Porta Stabia in Pompeii recovered the so-called Road Maker’s Tablet, an inscription mentioning how two aediles had supervised road work in the Oscan city. The find proved remarkable because it provided the Oscan names of three streets, the viú Púmpaiianú, the via Jovis, and the Dekkviarim, and mentioned a sanctuary to Jupiter Meilichios as an associated landmark. Successive generations of scholars have since proposed varying interpretations as to which of the Pompeian streets featured these appellatives and have attempted to locate the sanctuary either inside the city, at the site of the (now identified) Temple of Asclepius, or immediately south of Pompeii at the Fondo Iozzino. Using a combination of epigraphic and art historical approaches, as well as an analysis of the latest archaeological evidence, this paper proposes a new interpretation, locating the sanctuary north of the city outside of the Porta Vesuvio.
A separation lemma on sub-lattices
Authors: Wang Wei-Min
Published: March 2022

We prove that Bourgain’s separation lemma
[J. Bourgain,
Green’s Function Estimates for Lattice Schrödinger Operators and Applications,
Ann. of Math. Stud. 158,
Princeton University, Princeton, 2005]
holds at fixed frequencies and their neighborhoods, on sub-lattices, sub-modules
of the dual lattice associated with a quasi-periodic Fourier series in two dimensions.
And, by extension, it holds on the affine spaces.
Previously Bourgain’s lemma was not deterministic, and it is valid only for a set of frequencies of positive measure.
The new separation lemma generalizes classical lattice partition-type results to the hyperbolic Lorentzian setting,
with signature

(
1
,

-
1

,

-
1

)

{(1,-1,-1)}

, and could be of independent interest.
Combined with the method in
[W.-M. Wang,
Quasi-periodic solutions to a nonlinear Klein–Gordon equation with a decaying nonlinear term,
preprint 2021, https://arxiv.org/abs/1609.00309],
this should lead to the existence of quasi-periodic solutions
to the nonlinear Klein–Gordon equation with the usual polynomial nonlinear term

u

p
+
1

{u^{p+1}}

.
Application of polyvinyl alcohol (PVA) as a toughening agent in wood furfurylation
Authors: Wang Jiamin , Yang Tiantian , Zhang Shaodi , Cao Jinzhen
Published: March 2022

In order to explore the application of furfurylated wood as engineering material, polyvinyl alcohol (PVA) was proposed as a toughening agent to incorporate with furfuryl alcohol (FA) to form FA/PVA precursor and impregnate wood in a one-step method. After in situ polymerization upon heating, a hydrophobic network composed of polyfurfuryl alcohol (PFA) and PVA was formed within the wood scaffold. The impact toughness, as well as some water-related properties of modified wood including the contact angle, water absorption, moisture adsorption, and dimensional stability were investigated in this study. The results showed that the impact toughness of wood significantly decreased after furfurylation. The incorporation of PVA could alleviate the reduction, and this effect was more obvious for highly furfurylated wood. PVA could penetrate and bulk the wood cell wall to a certain degree, but increased concentration of PVA may negatively influence the penetration of FA in wood cell wall. PVA showed only slight influence on water-related properties of FA modified wood, and it depended on both concentrations of PVA and FA. All results indicate that incorporation of PVA in FA system is a promising approach to enhance the toughness of FA modified wood.