Pesquisa | SciELO

Abstract Background: Many adjuvants are added to prolong the effects of spinal analgesia. We investigated the postoperative analgesic efficacy of the addition of midazolam or fentanyl to intrathe-cal levobupivacaine in women undergoing cesarean delivery. Methods: Eighty patients were randomly assigned to two groups (n = 40). Group M received 10 mg of 0.5% levobupivacaine plus 2 mg of midazolam. Group F received 10 mg of 0.5% levobupivacaine plus 25 μg of fentanyl. Assessments included motor and sensory block, APGAR score, time to first request for analgesia, postoperative pain score, total consumption of rescue analgesics, and adverse effects. Results: Sensory blockade was prolonged in Group M compared with Group F (215.58 ± 27.94 vs. 199.43 ± 19.77 min; p = 0.004), with no differences in other characteristics of the spinal block in intraoperative hemodynamics or APGAR score. The mean time to first request for rescue analgesia was longer in Group M (351.45 ± 11.05 min) than in Group F (268.83 ± 10.35 min; p = 0.000). The median total consumption of rescue analgesics in the first 24 hours postoperatively was 30 mg in Group M vs. 60 mg in Group F (p = 0.003). The median Visual Analog Scale (VAS) scores were lower in Group Ethan in Group F from the 8th to the 12th hour postoperatively, with no differences between the groups at other time points. The incidence of adverse effects was higher in Group F than in Group M. Conclusion: Intrathecal midazolam (2 mg) was superior to intrathecal fentanyl (25 μg) in increasing the duration of the sensory blockade and postoperative analgesia with lower postoperative pain scores and decreasing the incidence of adverse effects. Background intrathe cal delivery Methods n 40. 40 . 40) 1 05 0 5 0.5 score Results 215.58 21558 215 58 (215.5 2794 27 94 27.9 vs 19943 199 43 199.4 1977 19 77 19.7 min 0.004, 0004 0.004 , 004 0.004) 351.45 35145 351 45 (351.4 1105 11 11.0 268.83 26883 268 83 (268.8 1035 35 10.3 0.000. 0000 0.000 000 0.000) 3 6 0.003. 0003 0.003 003 0.003) VAS (VAS th points Conclusion ( 4 0. 215.5 2155 21 (215. 279 9 27. 1994 199. 197 7 19. 0.00 00 351.4 3514 (351. 110 11. 268.8 2688 26 8 (268. 103 10. 215. (215 0.0 351. (351 268. (268 (21 (35 (26 (3

https://doi.org/10.1016/j.bjane.2022.06.001

Effectiveness of secukinumab in patients with psoriasis and psoriatic arthritis in a Saudi real-world setting realworld real world
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Al-Homood, Ibrahim A.

; Alajlan, Mohammed

; Alberdisi, Majid

; Alturki, Mohammad

; Ahmed, Ahmed Ali

; Zakaria, Nancy

Advances in Rheumatology

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2024, Volume 64 elocation 34

Resumo: En | Texto: En | PDF: En

Abstract Introduction Psoriasis (PsO) is an immune-mediated chronic inflammatory disease that results in severe outcomes that impact the patient's quality of life and work productivity. We investigated the effectiveness of secukinumab in patients with chronic plaque psoriasis and psoriatic arthritis (PsA) over a 12-month period. Methods This was a longitudinal, retrospective study of the medical records of 81 patients with psoriasis and/or psoriatic arthritis who had been treated with secukinumab for at least 12 weeks. Results The Psoriasis Area Severity Index (PASI), Body Surface Area (BSA) percentage, and Dermatology Quality of Life Index (DLQI) among patients with PsO and PsO-PsA showed a statistically significant decrease from baseline over 12 months by approximately 9.86, 19.3%, and 9.7, respectively (p values < 0.001 for each). Moreover, there was a statistically significant decrease in the overall Disease Activity in Psoriatic Arthritis score (DAPSA) by approximately 22.35 from baseline over 12 months of treatment (p < 0.001). Considering the patients who started secukinumab 12 months or more prior to the study cutoff date, the 12-month retention rate was 85%. Conclusion In a Saudi real-world setting, secukinumab proved to be an efficient medication with high efficacy and retention rates. (PsO immunemediated immune mediated patient s productivity PsA (PsA 12month month period longitudinal 8 andor 1 weeks PASI, PASI , (PASI) BSA (BSA percentage DLQI (DLQI PsOPsA 986 9 86 9.86 193 19 3 19.3% 97 7 9.7 p 0001 0 001 0.00 each. each . each) Moreover DAPSA (DAPSA 2235 22 35 22.3 0.001. 0.001) date 85 85% realworld real world setting rates (PASI 98 9.8 19.3 9. 000 00 0.0 223 2 22. 19. 0.

https://doi.org/10.1186/s42358-024-00371-1

Assessment of humoral immune response to different COVID-19 vaccines in patients undergoing maintenance hemodialysis COVID19 COVID 19 COVID-1 COVID1 1 COVID-
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El-Hameed, Ayman Abd

; Ahmed, Mohammed Fouad

; Ehmemeed, Ali Omar Ahmed

; Mokhtar, Ahmad

; Abdelhamid, Walid Ahmed Ragab

Brazilian Journal of Nephrology

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Dez 2023, Volume 45 Nº 4 Páginas 417 - 423

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

ABSTRACT Introduction: The immune response to different Coronavirus Disease 2019 (COVID-19) vaccines is under-investigated in end-stage kidney disease (ESKD) patients, especially in the Middle East and North Africa. We carried out this research to estimate the effectiveness of COVID-19 immunization in ESKD patients on regular hemodialysis (HD). Methods: In this prospective observational study, we enrolled 60 ESKD patients on regular HD who had completed COVID-19 vaccination and 30 vaccinated healthy participants. Serum levels of severe acute respiratory syndrome coronavirus 2 immunoglobulin G (SARS-COV2 IgG) were quantified 1 month after completing the vaccination schedule, and all participants were followed up from October 2021 to March 2022. The vaccines used in the study were from Pfizer-BioNTech, AstraZeneca, and Sinopharm. Results: The median level of SARS-COV2 IgG was lower in HD patients than in healthy participants (p < 0.001). Regarding the type of COVID-19 vaccination, there was no statistical difference in SARS-COV2 IgG levels among HD patients. During the observation period, none of the HD patients had COVID-19. Conclusion: COVID-19 vaccination appeared to be protective in HD patients for 6 months and the side effects of vaccines were tolerable. Introduction 201 COVID19 COVID 19 (COVID-19 underinvestigated under investigated endstage end stage (ESKD Africa COVID-1 HD. . (HD) Methods 3 SARSCOV2 SARSCOV SARS COV2 COV (SARS-COV schedule 202 2022 PfizerBioNTech, PfizerBioNTech Pfizer BioNTech, BioNTech Pfizer-BioNTech AstraZeneca Sinopharm Results SARS-COV p 0.001. 0001 0.001 0 001 0.001) period COVID19. 19. Conclusion tolerable 20 COVID1 (COVID-1 COVID- (HD 000 0.00 00 (COVID- 0.0 (COVID 0.

RESUMO Introdução: A resposta imune a diferentes vacinas contra a doença do coronavírus 2019 (COVID-19) é pouco investigada em pacientes com doença renal em estágio terminal (DRET), especialmente no Oriente Médio e norte da África. Realizamos esta pesquisa para estimar a eficácia da imunização contra a COVID-19 em pacientes com DRET em hemodiálise regular (HD). Métodos: Nesse estudo observacional prospectivo, inscrevemos 60 pacientes com DRET em HD regular que haviam concluído o esquema de vacinação contra a COVID-19 e 30 participantes saudáveis vacinados. Os níveis séricos de imunoglobulina G da síndrome respiratória aguda grave do coronavírus 2 (SARS-COV2 IgG) foram quantificados um mês após a conclusão do esquema vacinal, e todos os participantes foram acompanhados de outubro de 2021 a março de 2022. As vacinas utilizadas no estudo eram da Pfizer-BioNTech, AstraZeneca e Sinopharm. Resultados: O nível mediano de SARS-COV2 IgG foi menor em pacientes em HD do que em participantes saudáveis (p < 0,001). Com relação ao tipo de vacinação contra a COVID-19, não houve diferença estatística nos níveis de SARS-COV2 IgG entre pacientes em HD. Durante o período de observação, nenhum dos pacientes em HD teve COVID-19. Conclusão: A vacinação contra a COVID-19 pareceu ser eficaz na proteção de pacientes em HD por 6 meses e os efeitos colaterais das vacinas foram toleráveis. Introdução 201 COVID19 COVID 19 (COVID-19 DRET, , (DRET) África COVID-1 . (HD) Métodos prospectivo 3 vacinados SARSCOV2 SARSCOV SARS COV2 COV (SARS-COV vacinal 202 2022 PfizerBioNTech, PfizerBioNTech Pfizer BioNTech, BioNTech Pfizer-BioNTech Sinopharm Resultados SARS-COV p 0,001. 0001 0,001 0 001 0,001) COVID19, 19, observação COVID19. 19. Conclusão toleráveis 20 COVID1 1 (COVID-1 (DRET COVID- (HD 000 0,00 00 (COVID- 0,0 (COVID 0,

https://doi.org/10.1590/2175-8239-jbn-2022-0184en

Nitrogen fertilizer promoting salt tolerance of two sorghum varieties under different salt compositions
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Elsiddig, Aboagla Mohammed Ibrahim

; Zhou, Guisheng

; Zhu, Guanglong

; Nimir, Nimir Eltyb Ahmed

; Suliman, Mohamed Suliman Eltyeb

; Ibrahim, Muhi Eldeen Hussien

; Ali, Adam Yousif Adam

Chilean journal of agricultural research

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Fev 2023, Volume 83 Nº 1 Páginas 3 - 13

Resumo: En | Texto: En | PDF: En

ABSTRACT Soil salinization is more aggravating than ever before and techniques are needed to mitigate this problem; understanding salinity-fertilizer relationship is of considerable economic importance for promoting crop growth and productivity in saline soil. A pot experiment was done in a greenhouse to determine whether the N could alleviate the negative effect of different salts compositions on the growth, and physiological attributes of the two most used Sudan sorghum (Sorghum bicolor (L.) Moench) cultivars (Wadahmed and Tabat). The plant was subjected to the salt stress at 0, 0.3419 M NaCl, and 0.1408 M Na2SO4, and four levels of N application 0, 4, 8, and 12 g N kg-1 soil, designated as N0, N1, N2, and N3, respectively. Results showed that Na2SO4 was reduced plant height, leaf area index, number of leaves, dry weight (DW), chlorophyll a, total chlorophyll content, and increased soluble protein content, activities of peroxidase (POD) and catalase (CAT) activities by 16.4%, 29.7%, 61.5%, 28.7%, 39.6%, 12.7%, 99.7%, 34.3%, 51.8%, respectively, when compared with the non-saline treatment. The Na2SO4 salt had a more harmful effect than NaCl. This study revealed that N fertilizer was successful for alleviating the adverse impacts of both types of salt. In this study, 12 g N kg-1 soil was most effective on most of the measured parameters of two sorghum cultivars. These findings demonstrated that the N soil amendment application could alleviate the harmful impact of salinity. ‘Wadahmed’ was more tolerant to salinity stress than ‘Tabat’ during the boot stage of sorghum plant.

Relationship of Dental Caries and Body Mass Index amongst School Children in Hail, Saudi Arabia: A Cross-Sectional Study Hail Arabia CrossSectional Cross Sectional
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Ali, Alsweed

; Ahmed Ali, AlFawzan

; Mohammed Ali, Habibullah

; Khan, Nubesh

; Salama, Mohamed Tharwat

; Babaji, Prashant

Pesquisa Brasileira em Odontopediatria e Clínica Integrada

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2023, Volume 23 elocation e220039

Resumo: En | Texto: En | PDF: En

ABSTRACT Objective: To determine caries prevalence and its association with body mass index in school children between 9-12 years of age in Hail, Saudi Arabia. Material and Methods: This descriptive cross-sectional study included 524 school children 9-12 years of age. These children were selected from 9 Public schools in Hail Province. Dental caries was recorded as per criteria established by the World Health Organization using assessment form for children 2013. Children were weighed using an electronic scale nearest to 0.1 kg with children attired in light clothing and wearing no shoes. The height was measured using a stadiometer to the nearest full centimeter with the children in a standing position. Body Mass Index (BMI) was determined using the formula BMI = kg/m2. Results: Caries prevalence in the population was 86%. The comparisons of mean DMFT between the groups demonstrate higher scores in the overweight group (mean=2.43) compared to normal weight (mean=1.85) and underweight children (mean=1.56) which is statistically significant (p=0.000). Bonferroni Post hoc test to compare the underweight and overweight group (p=0.000) and overweight and normal weight (p=0.000) were highly significant. Conclusion: A positive correlation of caries severity, namely DMFT, with BMI is established. Objective 912 12 9-1 Arabia Methods crosssectional cross sectional 52 Province 2013 01 0 1 0. shoes position (BMI kgm2 kgm m2 m kg/m2 Results 86 86% mean=2.43 mean243 2 43 (mean=2.43 mean=1.85 mean185 85 (mean=1.85 mean=1.56 mean156 56 (mean=1.56 p=0.000. p0000 p p=0.000 . 000 (p=0.000 Conclusion severity 91 9- 5 201 kg/m 8 mean=2.4 mean24 4 (mean=2.4 mean=1.8 mean18 (mean=1.8 mean=1.5 mean15 (mean=1.5 p000 p=0.00 00 (p=0.00 20 mean=2. mean2 (mean=2. mean=1. mean1 (mean=1. p00 p=0.0 (p=0.0 mean=2 (mean=2 mean=1 (mean=1 p0 p=0. (p=0. mean= (mean= p=0 (p=0 (mean p= (p= (p

https://doi.org/10.1590/pboci.2023.010

Study the Effect of New Rheocast on Tribological Behaviour of ZA27 ZA ZA2
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Ghazi, Ali Kifah

; Abass, Mohammed H.

; Alali, Muhaed

; Abood, Adnan N.

Materials Research

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2023, Volume 26 elocation e20220519

Resumo: En | Texto: En | PDF: En

This paper investigated how casting affects ASTM ZA-27 alloy's tribological performance in dry and lubricated conditions. To this end, varying contact loads and sliding speeds were applied to tribological tests. The ZA-27 alloy was produced using gravity die casting (GDC) and new rheo-casting (NRC) methods. The results showed that the microstructure of GDC ZA-27 alloy is dendritic containing α and η phases. While the NRC alloy microstructure demonstrates a semi-globular structure of fine equiaxed α phase bordered by eutectoid α and η. The NRC alloy achieved an improvement in tensile, hardness, and elongation properties by almost 15%, 20%, and 25%, respectively. Regarding tribological properties, the NRC alloy achieved an enhancement in tribo-behavior by lowering the coefficient of friction (COF) to about 67% than the GDC alloy. Further, the results showed that the wear rate recorded an increment with applied load for both GDC and NRC alloys. Though, the results showed that the wear rate with NRC alloy was lower compared to the GDC alloy with about 84% at 160N normal load. The worn surfaces of NRC alloys were characterized by smooth and shallow wear grooves. While the GDC alloy worn surfaces were rougher and experience deeper grooves and damage. ZA27 ZA 27 ZA-2 s conditions end tests (GDC rheocasting rheo (NRC methods phases semiglobular semi globular tensile hardness 15 15% 20 20% 25 25% respectively tribobehavior tribo behavior COF (COF 67 Further Though 84 N damage ZA2 2 ZA- 1 6 8

https://doi.org/10.1590/1980-5373-mr-2022-0519

Association between microRNA expression and risk of male idiopathic infertility in Iraq
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Khadhim, Manal Mohammed

; Manshd, Abbas Ali

Revista da Associação Médica Brasileira

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2023, Volume 69 Nº 9 elocation e20230341

Resumo: En | Texto: En | PDF: En

SUMMARY OBJECTIVE: The World Health Organization defines infertility as the inability to get pregnant after 12 months of unprotected sexual activity. This study was conducted to estimate the levels of gene expression for two mature miRNAs (i.e., miR-122 and miR-34c-5p) to evaluate susceptibility to male infertility. METHODS: This study included 50 male patients with idiopathic infertility who were admitted to hospital from the period November 2021 to May 2022 and another group consisting of 50 apparently healthy individuals used as controls. RESULTS: miR-122 level was significantly highest in azoospermia and followed by oligospermia, 39.22 (31.88) versus 37.34 (20.45), respectively. In addition, there was a very significant difference in miR-34c-5p levels between the study groups (p<0.05). CONCLUSION: Two miRNAs, namely, miR-34c-5p and miR-122, can be used as predictive and diagnostic biomarkers for infertility. OBJECTIVE 1 activity i.e., ie i e (i.e. miR122 miR 122 miR-12 miR34c5p miRcp 34c 5p c p METHODS 5 202 controls RESULTS oligospermia 3922 39 22 39.2 31.88 3188 31 88 (31.88 3734 37 34 37.3 20.45, 2045 20.45 , 20 45 (20.45) respectively addition p<0.05. p005 p<0.05 . 0 05 (p<0.05) CONCLUSION namely miR122, 122, i.e. (i.e miR12 miR-1 392 3 2 39. 31.8 318 8 (31.8 373 37. 204 20.4 4 (20.45 p00 p<0.0 (p<0.05 i.e miR1 miR- 31. (31. 20. (20.4 p0 p<0. (p<0.0 (31 (20. p<0 (p<0. (3 (20 p< (p<0 ( (2 (p< (p

https://doi.org/10.1590/1806-9282.20230341

SENSITIVE SPECTROPHOTOMETRIC DETERMINATION OF TRIPROLIDINE HYDROCHLORIDE DRUG IN THE CAPSULES VIA ION PAIR COMPLEX FORMATION
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Abdulrahman, Sameer A. M.

; Qazzan, Jalal Ali Mohammed

Química Nova

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2023, Volume 46 Nº 9 Páginas 860 - 866

Resumo: En | Texto: En | PDF: En

The objective of this study was to develop two simple and selective visible spectrophotometric methods for the determination of antihistamine drug triprolidine hydrochloride (TRH) in the capsules. The methods were based on the formation of ion-pair complexes between TRH and two dyes, namely, bromocresol green (BCG) and bromophenol blue (BPB). The produced ion-pair complexes were measured at 415 and 410 nm for BCG and BPB methods, respectively. Beer’s law was applicable in the concentration ranges of 2.50-15.0 μg mL-1 TRH for both methods. The molar absorptivity values were found to be 2.12 × 104 and 2.07 × 104 L mol-1 cm-1 for the BCG method and BPB method, respectively, and the Sandell’s sensitivity values were 0.0149 and 0.0152 μg cm-2. The limits of detection and quantification were calculated and found to be 0.29 and 0.86 μg mL-1 for the BCG method and 0.31 and 0.95 μg mL-1 for the BPB method. The methods were applied successfully for TRH determination in bulk drug and in the capsules. (TRH capsules ionpair ion pair dyes namely (BCG BPB. . (BPB) 41 respectively Beers Beer s 2.5015.0 250150 2.50 15.0 2 50 15 0 2.50-15. mL1 mL 1 mL- 212 12 2.1 10 207 07 2.0 mol1 mol mol- cm1 cm cm- Sandells Sandell 00149 0149 0.014 00152 0152 0.015 cm2. cm2 2. cm-2 029 29 0.2 086 86 0.8 031 31 0.3 095 95 0.9 (BPB 4 5015 2.5015. 25015 250 2.5 150 15. 5 2.50-15 21 20 0014 014 0.01 0015 015 02 0. 08 8 03 3 09 9 501 2.5015 2501 25 2.50-1 001 01 0.0 2.501 2.50- 00

https://doi.org/10.21577/0100-4042.20230068

10.

Interaction of double parallel cracks located on a hollow cylinder
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Al-Moayed, Omar Mohammed

; Ismail, Al Emran

; Kareem, Ali Kamil

; Jamian, Saifulnizan

; Coêlho, Gabriel de Castro

Latin American Journal of Solids and Structures

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2023, Volume 20 Nº 10 elocation e514

Resumo: En | Texto: En | PDF: En

Abstract Due to the extensive usage in the industry, the structural integrity of hollow cylinders is seen as a critical goal for stakeholders. Fracture is the most common failure mode for cylinders, which occurs due to crack propagation. Cracks can be found in single or multiple forms; when numerous, crack interaction occurs, which can exacerbate pressures beyond the material's resistance. This work uses Ansys software to examine double parallel interacting surface cracks on a hollow cylinder. The stress intensity factor (SIF) was used to describe the driving force that was used to characterize crack interaction for various crack geometries. To conduct extensive research, this study evaluated a wide range of crack aspect ratios as well as the relative depth of the crack. The findings of this study indicated that the shielding effect demonstrated parallel crack interaction. In addition, an empirical mathematical approach for predicting SIFs for double parallel cracks via single crack SIFs has been developed. The validation of the proposed model using performance evaluation metrics revealed an acceptable rate of error of less than 5%. industry stakeholders propagation forms numerous materials material s resistance cylinder SIF (SIF geometries research addition developed 5 5%

https://doi.org/10.1590/1679-78257786

11.

Novel modified blister test to evaluate composites used in repairing cracked pipeline
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Ahmed, Payman Sahbah

; Ali, Jafar Abdullah

; Talabani, Serwan Sarbast Mohammed

Polímeros

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2023, Volume 33 Nº 3 elocation e20230030

Resumo: En | Texto: En | PDF: En

Abstract The traditional method of fixing cracked pipes by welding needs stopping the production. In this study, a composite material is used to repair pipelines without interrupting production, saving both time and money. Hand Layup and vacuum infusion techniques were used to prepare glass strand mat and intra-ply hybrid glass - carbon fibers composites repairs. To show the composites' strength, blister, double cantilever beam, and peel tests were conducted. A novel modified blister test was utilized to show effectiveness of laboratory tests on real pipeline. The results indicate that vacuum infused intra-ply hybrid composite exhibited the highest strength. The experimental results of the best composite were compared with the finite element model under blister test, and the results were found to be identical. The modified blister test on the real pipe provides a better indication about the good strength of the composite repair compared to previous researches. production study money intraply intra ply repairs beam conducted pipeline identical researches

https://doi.org/10.1590/0104-1428.20230066

12.

Africa's Quest for Reform of the United Nations Security Council: A Just Cause Curbed by Unrealistic Proposals
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Alene, Niguse Mandefero

; Ali, Mohammed Seid

; Tadesse, Kebede Yimam

African Journal on Conflict Resolution

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2023, Volume 23 Nº 1 Páginas 60 - 83

Resumo: En | Texto: En | PDF: En

The debate around viable global governance has become increasingly topical, particularly from the perspective of countries in the Global South. Concerning Africa, despite the continent's quest to reform the United Nations Security Council (UNSC), existing research has failed to comprehensively address the topic. Consequently, this article explores the arguments and challenges surrounding Africa's drive to secure a permanent voice in the UNSC. It argues that despite the enduring legacies of colonialism, neocolonial interventions, and being the primary concern of the UNSC agenda, Africa's claim for fair representation in the Council remains. The article attempts to address the research gap and contribute to the existing debate by examining why Africa has failed to be represented in the UNSC. Africa's collective initiative towards reforming the UN system is instrumental in ensuring inclusive and sustainable global governance. Nonetheless, Africa's insistence on immediate and full veto power for new entrants and its demand for representation merely through numbers inside the UN are unfeasible.

13.

Perception of justice, citizens' trust and participation in a democratic Islamic society
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Saputra, Bambang

; Alghamdi, Mohammed I.

; Al-Khafaji, Forqan Ali Hussein

; Al-Salami, Ammar Abdel Amir

; Ramírez-Coronel, Andrés Alexis

; Muda, Iskandar

HTS Theological Studies

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2023, Volume 79 Nº 1 Páginas 1 - 7

Resumo: En | Texto: En | PDF: En

Justice has a high status in Islamic societies, and as one of the most important human ideals, has long been the focus of thinkers and researchers. In fact, when the citizens do not understand the presence of justice in the behaviour of the officials of their society, their trust in the current procedures, and consequently the public participation will be affected. Considering the importance of the subject, the present study has been conducted with the aim of investigating the effect of perception of justice on citizens' trust and participation in the creation of a democratic Islamic society. The statistical population of this research included 3578 Indonesian Muslim citizens in 2022, and the research questionnaires were distributed among them. Data analyses were done using Statistical Package for the Social Sciences (SPSS) and Linear Structural Relations (LISREL) statistical software. The results of statistical analyses indicated that the perception of Islamic justice does not have a significant effect on the participation of Muslims in creating a democratic Islamic society. In addition, the perception of Islamic justice has a positive effect on the trust in officials of the Islamic society. Moreover, trust in the officials of the Islamic society positively affects the citizens' participation in creating a democratic Islamic society. CONTRIBUTION: According to the results of this research, it is necessary for the officials of the Islamic society to use all their efforts in creating a justice-oriented Islamic society in order to create trust among the citizens, and to involve Muslims in development decisions and to establish democratic Islamic society

https://doi.org/10.4102/hts.v79i1.8274

14.

Reconstruction of the Long Process of the Incus by Use of Glass Ionomer Cement: Our Experience Cement
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Ali, Khaled Abd El Rahman

; Ibrahim, Maha Ahmed

; Hussien, Mohammed Ahmed

; Dahy, Khaled Gamal

International Archives of Otorhinolaryngology

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Dez 2022, Volume 26 Nº 4 Páginas 697 - 700

Resumo: En | Texto: En | PDF: En

Abstract Introduction Chronic suppurative otitis media is one of the most common causes of reversible conductive hearing loss which can lead to necrosis of the ossicles. The incus, especially its long process, is the most common ossicle affected. Objectives The present study aims to assess the use of glass ionomer cement for the reconstruction of the long process of the incus. Methods The present study was conducted on 27 patients with chronic suppurative otitis media with central perforation with dry and quiescent ears with an eroded long process of the incus submitted to tympanoplasty. The audiological evaluations were done on all patients, including preoperative and postoperative evaluation of the airbone gap; the average pure tone threshold was done 6 months postoperatively. Results The average air pure tone threshold was 42.8 dB preoperatively and 22.5 dB postoperatively. The postoperative air pure tone thresholds were significantly smaller than the preoperative values (p < 0.01). The air-bone gap was 30.5 dB at 500 Hz, 31.6 dB at 1 KHz, and 24.1 dB at 2 kHz preoperatively, and 7.7 dB at 500 Hz, 7.2 dB at 1 KHz, and 7.1 dB at 2 kHz postoperatively at the end of 6 months of follow-up. There were significant hearing gains in the air-bone gap (p < 0.001). Conclusion Glass ionomer cement is a useful and effective material for bridging the defect of the long process of the incus. ossicles affected tympanoplasty 428 42 8 42. 225 22 5 22. p 0.01. 001 0.01 . 0 01 0.01) bone 305 30 30. 50 Hz 316 31 31. KHz 241 24 24. 77 7 7. 72 71 followup. followup follow up. up follow-up 0.001. 0001 0.001 0.001) 4 00 0.0 3 000 0.00 0.

https://doi.org/10.1055/s-0042-1743276

15.

Bibliometrics of Sudanese scientific publications: Subjects, institutions, collaboration, citation and recommendations
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Ali Elhassan, Moawia Mohammed

; Monge-Nájera, Julián

; Ho, Yuh-Shan

Revista de Biología Tropical

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Dez 2022, Volume 70 Nº 1 Páginas 30 - 39

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

Resumen Introducción: Sudán es el tercer país más grande de África y tiene ricas reservas de petróleo y otros recursos terrestres, pero su Producto Interno Bruto per cápita es de solo $ 808 y los investigadores trabajan en instalaciones institucionales deficientes y con poca financiación. Los estudios previos sobre su productividad científica se han limitado a temas específicos y períodos relativamente cortos. Objetivo: Analizar la producción científica de Sudán en profundidad, considerando todas las áreas de investigación y varias décadas. Métodos: Recuperamos los documentos con “Sudán” como país de origen en el Science Citation Index Expanded para el período 1900-2019. Resultados: Hallamos más de 9 000 publicaciones y encontramos que la mayoría eran artículos; que fueron más citados los artículos de revisión y capítulos de libros, y que esta base de datos cubría principalmente artículos en inglés; desde 1972, el número de publicaciones en ella ha aumentado rápidamente. La vida útil de las citas indica un crecimiento lento en la literatura científica sudanesa, y la colaboración es frecuente tanto a nivel nacional como internacional, posiblemente porque los escasos recursos hacen que la colaboración sea casi obligatoria. La mayor parte de la colaboración externa se realiza con Arabia Saudita, pero hay más citas para los artículos resultantes de megaproyectos internacionales, dirigidos por Europa y Estados Unidos, en los cuales los investigadores sudaneses desempeñan papeles secundarios. La investigación se centra en temas de tecnología aplicada con poco valor de innovación. Conclusiones: Nuestras recomendaciones para la ciencia sudanesa incluyen aumentar el número de mujeres en altos puestos; proporcionar financiación directamente a los investigadores (sin pasar por organismos burocráticos); ir más allá de la investigación aplicada para evitar el estancamiento; capacitar al personal sudanés para puestos de liderazgo; e identificar áreas de investigación específicas donde Sudán puede liderar en su región.

Abstract Introduction: Sudan is the third largest country in Africa and has rich reserves of petroleum and other ground resources, but its per capita Gross Domestic Product is only $808 and researchers work in insufficient institutional facilities and with little funding. Previous studies about its scientific productivity have been limited to specific subjects and relatively short periods, with no large analyses until now. Objective: To analyze the scientific output of Sudan in depth, considering all research areas and several decades of scientific activity. Methods: We retrieved the documents with “Sudan” in field country in the Science Citation Index Expanded for the period 1900-2019. Results: We retrieved over 9 000 publications and found that most were articles; that citation was higher for review articles and book chapters, and that this index mostly covered articles in English. Beginning in 1972, the number of publications in this database has increased rapidly. The citation lifespan indicates slow growth in the Sudanese scientific literature, and collaboration is frequent both nationally and internationally, possibly because the scarce resources make collaboration almost compulsory. Most external collaboration is done with Saudi Arabia but citation is higher for articles resulting from international megaprojects, led by Europe and the USA, in which Sudanese researchers play secondary roles. Research focusses on applied technological subjects with little innovation value. Women play a smaller role in Sudanese science. Conclusions: Our recommendations for Sudanese science include increasing the number of women in leading research positions; providing funding directly to researchers (i.e., bypassing bureaucratic bodies); increasing basic research to avoid stagnation; training Sudanese researchers for leading positions; and identifying specific research areas where Sudan can lead in its region.

https://doi.org/10.15517/rev. biol. trop..v70i1.47392

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