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Wyświetlanie 1-10 z 20
Tytuł:
COVID-19 Pandemic: A Motive for Pro-Environmental Behaviors (Pebs) in the Egyptian Tourism and Hospitality Industry
Autorzy:
Elshaer, Abdallah M.
Al-Abyadh, Mohammed Hasan Ali
Alsetoohy, Omar
Marzouk, Asmaa M.
Agina, Mohamed Fathy
Tematy:
pro-environmental behavior
employee behaviour
COVID-19 pandemic
green hotel
travel agency
Pokaż więcej
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Powiązania:
https://bibliotekanauki.pl/articles/2174911.pdf  Link otwiera się w nowym oknie
Opis:
Academics have been curious about what motivates pro-environmental behaviour. However, a few research studies have been conducted to analyse and comprehend the pro-environmental behaviour of those in charge of service and production (employees). The COVID-19 outbreak highlighted this topic, emphasising the significance of employees’ pro-environmental behaviours (PEBs) in promoting and maintaining business sustainability. Therefore, this study contributes to the body of knowledge by investigating employees’ PEBs during the COVID-19 pandemic. In-person and online surveys were used to reach the staff of hotels and travel agencies in Egypt’s most popular tourist areas. The quantitative data were analysed with SPSS 25. The results revealed that employees of the tourism and hospitality industry are exceptionally engaged in PEBs in times of the COVID-19 pandemic. Also, the findings indicate that the structure of tourism and hospitality employees’ PEB comprises six factors: operation activities, habits, organisation rules, health, energy-saving, and environment-related activities. However, their behaviour must be guided and improved in three key areas (personal health, organisational rules, and operation activities). According to this study, employees may follow certain practices without understanding their justification or significance. In practice, the study presents recommendations that might increase the industry’s resistance to challenges in improving the pro-environmental behaviour of industry employees.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Serological cross-sectional survey of equine infectious anemia in Saudi Arabia
Autorzy:
Kasem, S.
Hashim, O.
Alkarar, A.
Hodhod, A.
Elias, A.
Abdallah, M.
Al-Sahaf, A.
Al-Doweriej, A.
Qasim, I.
Abdel-Moneim, A.S.
Tematy:
equine infectious anaemia
equine
ELISA
Saudi Arabia
seroprevalence
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Powiązania:
https://bibliotekanauki.pl/articles/16539306.pdf  Link otwiera się w nowym oknie
Opis:
The equine infectious anaemia virus (EIAV) is one of the most serious equine diseases worldwide. There is scarce information on the epizootiology of equine infectious anaemia (EIA) in Saudi Arabia. Given the importance of the equine industry in Saudi Arabia, this cross- -sectional study aims to provide information about the prevalence of EIAV based on serological surveillance of the equine population in the country. A total of 4728 sera samples were collected (4523 horses and 205 donkeys) between December 2017 and November 2019. All samples were tested using commercially available EIAV ELISA. All tested samples showed negative results for EIAV antibodies with a 95% confidence interval. The results provided evidence that Saudi Arabia’s equine populations (horses and donkeys) are currently free of EIAV. The results also suggest the need for continuous monitoring of EIAV and strict regulation when importing horses from other countries.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A quarantine protocol against red palm weevil Rhynchophorus Ferrugineus (Olivier) (Coleptera: Curculiondae) in date palm
Autorzy:
Al-Shawaf, A.M.
Al-Shagag, A.
Al-Bagshi, M.
Al-Saroj, S.
Al-Bather, S.
Al-Dandan, A.M.
Abdallah, A.B.
Faleiro, J.R.
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/65957.pdf  Link otwiera się w nowym oknie
Opis:
The red palm weevil (RPW) Rhynchophorus ferrugineus (Olivier), (Coleptera: Curculiondae) is a key pest of date palm in the Middle East. This weevil is currently being reported from over 50% of the date growing countries of the world. The date palm Phoenix dactylifera cropped area in the Middle East, has significantly increased during the last two decades where date palm is mainly propagated through offshoots. The red palm weevil larvae are often found in the offshoots, resulting in the spread of the pest and also its re-inoculation where RPW is already controlled. Currently, there are no quarantine protocols to ensure that date palm offshoots which are transported for planting, are free of RPW larvae. In this study, date palm offshoots were sprayed while still attached to the mother palm and also dipped separately with Fipronil 3.5% (Thripguard 35 SCTM) and Imidacloprid 35% (Confidor 350 SCTM) a day after detachment from the mother palm. Fipronil and Imidacloprid were tested at 0.008 % and 0.01%, respectively. Results revealed that dipping gave complete mortality of the larvae. Dipping was significantly better than spraying since spraying resulted in only partial mortality of the larvae. It was also seen that dipping offshoots in Fipronil 0.004% and 0.002% for 30 and 60 min, respectively, resulted in 100% mortality of the larvae tested. Further, toxicity studies resulted in complete mortality of larvae and adults that were exposed to offshoot tissue that was dipped in Fipronil at the above concentrations. For this reason, it is recommended to dip date palm offshoots in 0.004% Fipronil for 30 min before transporting to ensure complete mortality of the hidden larval stages, if any and complete certification and transport of the treated offshoots to the new planting site within 72 h of treatment.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Etiology and pathology of epidemic outbreaks of avian influenza H5N1 infection in Egyptian chicken farms
Autorzy:
Ali, A.
Elmowalid, G.
Abdel-Glili, M.
Sharafeldin, T.
Abdallah, F.
Mansour, F.
Nagy, A.
Ahmed, B.
Abdelmoneim, M.
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/30849.pdf  Link otwiera się w nowym oknie
Opis:
Epidemic outbreaks of avian influenza (AI) virus H5N1 have been frequently reported in Egypt during the last nine years. Here we investigate the involvement of AI H5N1 in outbreaks of acute respiratory disease that occurred in several commercial chicken farms in Egypt in 2011, and we describe to the pathology caused by the virus in the course of the outbreak. Twenty-one chicken farms with history of acute respiratory symptoms and high mortalities were screened for AI H5N1. Virus identification was based on hemagglutination inhibition test, and PCR detection and sequencing of the hemagglutinin and neuraminidase genes. Virus distribution was determined by immunohistochemical staining of AI antigens in organs of infected birds. Standard H&E staining was performed for histological examination of affected organs. Eighty-one % of the examined birds, representing 100% of the screened farms, were positive for AI H5N1 virus. Phylogenetic analysis of the hemagglutinin and neuraminidase genes of the isolated virus reveals its affiliation to clade 2.2.1. Viral antigens were localized in the endothelial cells of the heart, liver, lungs and skin, where pathological lesions including congestion, hemorrhages, multifocal inflammation and necrosis were concurrently observed. According to the pattern of the viral antigen and lesion distribution in the visceral organs, we suggest cardiovascular and circulatory failures as the probable cause of death during these outbreaks. In conclusion, the present study further confirms the epidemic status of AI H5N1 virus in Egypt and reveals the highly pathogenic nature of the local isolates.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Specification of the structure of land in hard-to-rich areas of the Republic of Iraq on remote sensing data
Autorzy:
Abdallah, R.
Chetverikov, B.
Protsyk, M.
Tematy:
space image
QuickBird
land monitoring
land protection
geoinformation system
zdjęcie kosmosu
ochrona ziemi
system geoinformacyjny
Pokaż więcej
Wydawca:
Uniwersytet Rolniczy im. Hugona Kołłątaja w Krakowie
Powiązania:
https://bibliotekanauki.pl/articles/1396714.pdf  Link otwiera się w nowym oknie
Opis:
The paper discusses the problem of using QuickBird space images to provide land cadastral surveys and regulations regarding the protection and rational use of land under specific conditions: hard-to-rich areas, limited funds, time and staff for the inspection and monitoring of large territories. Legal, technical and technological questions concerning the use of QuickBird images and geoinformation technologies for the specified purposes are analysed in the work.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The role of detoxifying enzymes in the resistance of the cowpea aphid (Aphis craccivora Koch) to thiamethoxam
Autorzy:
Abdallah, I.S.
Abou-Yousef, H.M.
Fouad, E.A.
El-Hady Kandil, M.A.
Tematy:
detoxifying enzyme
resistance
cowpea aphid
Aphis craccivora zob.cowpea aphid
groundnut aphid zob.cowpea aphid
black legume aphid
true bug
Aphididae
synergism
thiamethoxam
insecticide
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/66085.pdf  Link otwiera się w nowym oknie
Opis:
The cowpea aphid (Aphis craccivora Koch) is considered a serious insect pest attacking several crops. We carried out biochemical studies to elucidate the role of the metabolising enzymes in conferring resistance to thiamethoxam, in two strains (resistant and susceptible) of the cowpea aphid. Bioassay experiments showed that the thiamethoxam selected strain developed a 48 fold resistance after consecutive selection with thiamethoxam for 12 generations. This resistant strain also exhibited cross-resistance to the tested carbamates; pirimicarb and carbosulfan, organophosphorus (malathion, fenitrothion, and chlorpyrifos-methyl), and the neonicotinoid (acetamiprid). Synergism studies have indicated that S,S,S-tributyl phosphorotrithioate (DEF), a known inhibitor for esterases, increased thiamethoxam toxicity 5.58 times in the resistant strain compared with the susceptible strain. Moreover, the biochemical determination revealed that carboxylestersae activity was 30 times greater in the resistant strain than in the susceptible strain. In addition, the enzyme activity of glutathione S-transferase (GST) and mixed function oxidases (mfo) increased only in the resistant strain 3.7 and 2.7 times, respectively, in relation to the susceptible (the control). Generally, our results suggest that the higher activity of the detoxifying enzymes, particularly carboxylesterase, in the resistant strain of the cowpea aphid, apparently have a significant role in endowing resistance to thiamethoxam, although additional mechanisms may contribute.
Dostawca treści:
Biblioteka Nauki
Artykuł
Autorzy:
Mohamed, Ahmed Ismail Hassan Ahmed
Madeeh, Alyaa Khaled
Jobran, Afnan W. M.
Elnoamany, Salma
Farouk, Hossam Khaled
Omar, Abdallah A.
Al-dardery, Nada Mostafa
Karaźniewicz-Łada, Marta
Koraiem, Abdullah Muhammed
Hamouda, Heba
Hamouda, Esraa
Abouzid, Mohamed
Ahmed, Alhassan Ali
Abd-Elnasser, Eman Gamal
Opis:
Glioblastoma is the most common malignant primary brain tumor in adults. Thalidomide is a vascular endothelial growth factor inhibitor that demonstrates antiangiogenic activity, and may provide additive or synergistic anti-tumor effects when co-administered with other antiangiogenic medications. This study is a comprehensive review that highlights the potential benefits of using thalidomide, in combination with other medications, to treat glioblastoma and its associated inflammatory conditions. Additionally, the review examines the mechanism of action of thalidomide in different types of tumors, which may be beneficial in treating glioblastoma. To our knowledge, a similar study has not been conducted. We found that thalidomide, when used in combination with other medications, has been shown to produce better outcomes in several conditions or symptoms, such as myelodysplastic syndromes, multiple myeloma, Crohn’s disease, colorectal cancer, renal failure carcinoma, breast cancer, glioblastoma, and hepatocellular carcinoma. However, challenges may persist for newly diagnosed or previously treated patients, with moderate side effects being reported, particularly with the various mechanisms of action observed for thalidomide. Therefore, thalidomide, used alone, may not receive significant attention for use in treating glioblastoma in the future. Conducting further research by replicating current studies that show improved outcomes when thalidomide is combined with other medications, using larger sample sizes, different demographic groups and ethnicities, and implementing enhanced therapeutic protocol management, may benefit these patients. A meta-analysis of the combinations of thalidomide with other medications in treating glioblastoma is also needed to investigate its potential benefits further.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
Attitudes toward receiving COVID-19 booster dose in the Middle East and North Africa (MENA) region : a cross-sectional study of 3041 fully vaccinated participants
Autorzy:
Saleh, Raghad N.
Abdelslam, Asmaa E.
Omran, Asmaa Abu-Bakr
Ghorab, Mohamed A.
Ahmed, Alhassan Ali
El-Sherif, Dina M.
Omar, Abdallah A.
Mohamed, Ahmed Ismail Hassan Ahmed
Islam, Sheikh Mohammed Shariful
Alonazi, Wadi B.
Abouzid, Mohamed
Alshehri, Mohammed M.
Ahmed, Mareb H.
Aziz, Ibrahim Adel
Opis:
COVID-19 vaccines are crucial to control the pandemic and avoid COVID-19 severe infections. The rapid evolution of COVID-19 variants such as B.1.1.529 is alarming, especially with the gradual decrease in serum antibody levels in vaccinated individuals. Middle Eastern countries were less likely to accept the initial doses of vaccines. This study was directed to determine COVID-19 vaccine booster acceptance and its associated factors in the general population in the MENA region to attain public herd immunity. We conducted an online survey in five countries (Egypt, Iraq, Palestine, Saudi Arabia, and Sudan) in November and December 2021. The questionnaire included self-reported information about the vaccine type, side effects, fear level, and several demographic factors. Kruskal-Wallis ANOVA was used to associate the fear level with the type of COVID-19 vaccine. Logistic regression was performed to confirm the results and reported as odds ratios (ORs) and 95% confidence intervals. The final analysis included 3041 fully vaccinated participants. Overall, 60.2% of the respondents reported willingness to receive the COVID-19 booster dose, while 20.4% were hesitant. Safety uncertainties and opinions that the booster dose is not necessary were the primary reasons for refusing the booster dose. The willingness to receive the booster dose was in a triangular relationship with the side effects of first and second doses and the fear (p < 0.0001). Females, individuals with normal body mass index, history of COVID-19 infection, and influenza-unvaccinated individuals were significantly associated with declining the booster dose. Higher fear levels were observed in females, rural citizens, and chronic and immunosuppressed patients. Our results suggest that vaccine hesitancy and fear in several highlighted groups continue to be challenges for healthcare providers, necessitating public health intervention, prioritizing the need for targeted awareness campaigns, and facilitating the spread of evidence-based scientific communication.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Wyświetlanie 1-10 z 20

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