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https://www.readbyqxmd.com/read/28107995/multivariate-optimization-of-headspace-trap-for-furan-and-furfural-simultaneous-determination-in-sponge-cake
#1
Mayela Cepeda-Vázquez, David Blumenthal, Valérie Camel, Barbara Rega
Furan, a possibly carcinogenic compound to humans, and furfural, a naturally occurring volatile contributing to aroma, can be both found in thermally treated foods. These process-induced compounds, formed by close reaction pathways, play an important role as markers of food safety and quality. A method capable of simultaneously quantifying both molecules is thus highly relevant for developing mitigation strategies and preserving the sensory properties of food at the same time. We have developed a unique reliable and sensitive headspace trap (HS trap) extraction method coupled to GC-MS for the simultaneous quantification of furan and furfural in a solid processed food (sponge cake)...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28103238/weak-genetic-structure-in-northern-african-dromedary-camels-reflects-their-unique-evolutionary-history
#2
Youcef Amine Cherifi, Suheil Bechir Semir Gaouar, Rosangela Guastamacchia, Khalid Ahmed El-Bahrawy, Asmaa Mohammed Aly Abushady, Abdoallah Aboelnasr Sharaf, Derradji Harek, Giovanni Michele Lacalandra, Nadhira Saïdi-Mehtar, Elena Ciani
Knowledge on genetic diversity and structure of camel populations is fundamental for sustainable herd management and breeding program implementation in this species. Here we characterized a total of 331 camels from Northern Africa, representative of six populations and thirteen Algerian and Egyptian geographic regions, using 20 STR markers. The nineteen polymorphic loci displayed an average of 9.79 ± 5.31 alleles, ranging from 2 (CVRL8) to 24 (CVRL1D). Average He was 0.647 ± 0.173. Eleven loci deviated significantly from Hardy-Weinberg proportions (P<0...
2017: PloS One
https://www.readbyqxmd.com/read/28100852/allergenicity-of-milk-of-different-animal-species-in-relation-to-human-milk
#3
Robert Pastuszka, Joanna Barłowska, Zygmunt Litwińczuk
Protein content in cow milk (with over 20 proteins, and peptides may also occur as a result of enzymatic hydrolysis) ranges from 2.5% to 4.2% and is about 1.5-2 times higher than in human milk. Its most important allergens are considered to be β-lactoglobulin (absent in human milk) and αs1-casein. The most similar in composition to human milk is horse and donkey milk. It contains considerably more whey proteins (35-50%) than cow milk (about 20%), and the concentration of the most allergenic casein fraction αs1 is 1...
December 31, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28096620/epidural-analgesia-in-cattle-buffalo-and-camels
#4
REVIEW
Zuhair Bani Ismail
Epidural analgesia is commonly used in large animals. It is an easy, cheap, and effective technique used to prevent or control pain during surgeries involving the tail, anus, vulva, perineum, caudal udder, scrotum, and upper hind limbs. The objectives of this article were to comprehensively review and summarize all scientific data available in the literature on new techniques and drugs or drug combinations used for epidural anesthesia in cattle, camel, and buffalo. Only articles published between 2006 and 2016 were included in the review...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28096605/molecular-and-epidemiological-updates-on-cystic-echinococcosis-infecting-water-buffaloes-from-egypt
#5
Ibrahim Abbas
AIM: Cystic echinococcosis (CE) represents a serious parasitic disease at both animal and public health levels. The majority of reports negated the CE infection in buffaloes from Egypt; however, one study illustrated their infection with G6 genotype (camel strain). The present work contributed to update the epidemiological and molecular knowledge about CE infecting this economically important animal for better understanding of its role in maintaining the Echinococcus life cycle. MATERIALS AND METHODS: A total of 120 slaughtered water buffaloes at Mansoura abattoir, Dakahlia province, Egypt, were inspected for the existence of hydatid cysts...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28073909/the-detection-of-spotted-fever-group-rickettsia-dna-in-tick-samples-from-pastoral-communities-in-kenya
#6
Hellen Koka, Rosemary Sang, Helen Lydia Kutima, Lillian Musila
In this study, ticks from pastoral communities in Kenya were tested for Rickettsia spp. infections in geographical regions where the presence of tick-borne arboviruses had previously been reported. Rickettsial and arbovirus infections have similar clinical features which makes differential diagnosis challenging when both diseases occur. The tick samples were tested for Rickettsia spp. by conventional PCR using three primer sets targeting the gltA, ompA, and ompB genes followed by amplicon sequencing. Of the tick pools screened, 25% (95/380) were positive for Rickettsia spp...
January 10, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28056850/outbreak-of-middle-east-respiratory-syndrome-coronavirus-in-saudi-arabia-a-retrospective-study
#7
Fadilah Sfouq Aleanizy, Nahla Mohmed, Fulwah Y Alqahtani, Rania Ali El Hadi Mohamed
BACKGROUND: The Middle East respiratory syndrome (MERS) is proposed to be a zoonotic disease. Dromedary camels have been implicated due to reports that some confirmed cases were exposed to camels. Risk factors for MERS coronavirus (MERS-CoV) infections in humans are incompletely understood. This study aimed to describe the demographic characteristics, mortality rate, clinical manifestations and comorbidities with confirmed cases of MERS-CoV. METHODS: Retrospective chart review were performed to identify all laboratory-confirmed cases of MERS-CoV in Saudi Arabia who reported to the Ministry of Health (MOH) of Saudi Arabia and WHO between April 23, 2014 and August 31, 2015...
January 5, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28056365/pyrolysis-and-kinetic-analyses-of-camel-grass-cymbopogon-schoenanthus-for-bioenergy
#8
Muhammad Aamer Mehmood, Guangbin Ye, Huibo Luo, Chenguang Liu, Sana Malik, Ifrah Afzal, Jianren Xu, Muhammad Sajjad Ahmad
The aim of this work was to study the thermal degradation of grass (Cymbopogon schoenanthus) under an inert environment at three heating rates, including 10, 30, and 50°Cmin(-1) in order to evaluate its bioenergy potential. Pyrolysis experiments were performed in a simultaneous Thermogravimetry-Differential Scanning Calorimetry analyzer. Thermal data were used to analyze kinetic parameters through isoconversional models of Flynn-Wall-Ozawa (FWO) and Kissenger-Akahira-Sunose (KSA) methods. The pre-exponential factors values have shown the reaction to follow first order kinetics...
December 25, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/28055328/human-and-dromedary-camel-infection-with-camelpox-virus-in-eastern-sudan
#9
Abdelmalik I Khalafalla, Fatima Abdelazim
We provide evidence for the zoonotic nature of camelpox virus by reporting infections that involved dromedary camels and three camel herders in Showak area of eastern Sudan between September and December 2014. The skin lesions in the camel herders consisted of erythema, vesicles, and pustules that involved arms, hands, legs, back, and abdomen and resolved within less than 2 months with no human-to-human transmission. The diagnosis was achieved through molecular technique, virus isolation in cell culture, and partial genome sequencing...
January 5, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28053567/metabolomic-and-elemental-analysis-of-camel-and-bovine-urine-by-gc-ms-and-icp-ms
#10
Syed Rizwan Ahamad, Abdul Qader Alhaider, Mohammad Raish, Faiyaz Shakeel
Recent studies from the author's laboratory indicated that camel urine possesses antiplatelet activity and anti-cancer activity which is not present in bovine urine. The objective of this study is to compare the volatile and elemental components of bovine and camel urine using GC-MS and ICP-MS analysis. We are interested to know the component that performs these biological activities. The freeze dried urine was dissolved in dichloromethane and then derivatization process followed by using BSTFA for GC-MS analysis...
January 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28050021/systematic-active-surveillance-for-middle-east-respiratory-syndrome-coronavirus-in-camels-in-egypt
#11
Mohamed A Ali, Mahmoud M Shehata, Mokhtar R Gomaa, Ahmed Kandeil, Rabeh El-Shesheny, Ahmed S Kayed, Ahmed N El-Taweel, Mohamed Atea, Nagla Hassan, Ola Bagato, Yassmin Moatasim, Sara H Mahmoud, Omnia Kutkat, Asmaa M Maatouq, Ahmed Osman, Pamela P McKenzie, Richard J Webby, Ghazi Kayali
Middle East respiratory syndrome coronavirus (MERS-CoV) causes severe human infections and dromedary camels are considered an intermediary host. The dynamics of natural infection in camels are not well understood. Through systematic surveillance in Egypt, nasal, rectal, milk, urine and serum samples were collected from camels between June 2014 and February 2016. Locations included quarantines, markets, abattoirs, free-roaming herds and farmed breeding herds. The overall seroprevalence was 71% and RNA detection rate was 15%...
January 4, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28043839/primary-pediatric-care-psychopharmacology-focus-on-medications-for-adhd-depression-and-anxiety
#12
Jeffrey R Strawn, Eric T Dobson, Lisa L Giles
The evidence base for psychopharmacologic interventions in youth with depressive and anxiety disorders as well as attention/deficit hyperactivity disorder (ADHD) has dramatically increased over the past two decades. Psychopharmacologic interventions commonly utilized in the pediatric primary care setting-selective serotonin (norepinephrine) reuptake inhibitors (SSRIs/SSNRIs), stimulants and α2 agonists-are reviewed. General pharmacologic principles are summarized along with class-related side effects and tolerability concerns (e...
December 30, 2016: Current Problems in Pediatric and Adolescent Health Care
https://www.readbyqxmd.com/read/28043353/erectile-dysfunction-in-male-dromedary-camels-clinical-findings-and-changes-in-the-nitric-oxide-metabolite-cardiac-troponin-i-and-testosterone-concentrations
#13
Derar Derar, Ahmed Ali, Mohamed Tharwat, Fahd Al-Sobayil, Moustafa M Zeitoun
This study aimed to clarify the phenomenon of erectile dysfunction (ED) in male camels and monitor the associated changes in nitric oxide metabolite (NOM), cardiac troponin I (cTnI), and testosterone concentrations. A total 18 camels with ED and 10 controls were included in this study. The breeding history was recorded and a thorough breeding soundness examination was performed. Total nitrates and nitrites were determined in sera using the Griess assay. Serum cTnI and testosterone were assessed using ELISA...
February 2017: Theriogenology
https://www.readbyqxmd.com/read/28043352/current-status-and-future-direction-of-cryopreservation-of-camelid-embryos
#14
REVIEW
M Herrid, G Vajta, J A Skidmore
Over the past 3 decades, and similar to the horse industry, fresh embryo transfer has been widely practiced on large commercial scales in different camelid species, especially the dromedary camel and alpaca. However, the inability to cryopreserve embryos significantly reduces its broader application, and as such limits the capacity to utilize elite genetic resources internationally. In addition, cryopreservation of the semen of camelids is also difficult, suggesting an extreme sensitivity of the germplasm to cooling and freezing...
February 2017: Theriogenology
https://www.readbyqxmd.com/read/28038415/foaming-and-adsorption-behavior-of-bovine-and-camel-proteins-mixed-layers-at-the-air-water-interface
#15
Roua Lajnaf, Laetitia Picart-Palmade, Hamadi Attia, Sylvie Marchesseau, M A Ayadi
The aim of this work was to examine foaming and interfacial behavior of three milk protein mixtures, bovine α-lactalbumin-β-casein (M1), camel α-lactalbumin-β-casein (M2) and β-lactoglobulin-β-casein (M3), alone and in binary mixtures, at the air/water interface in order to better understand the foaming properties of bovine and camel milks. Different mixture ratios (100:0; 75:25; 50:50; 25:75; 0:100) were used during foaming tests and interfacial protein interactions were studied with a pendant drop tensiometer...
December 10, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28030339/intra-and-inter-species-genetic-variability-of-transferrin-receptor-gene-regions-in-trypanosoma-evansi-isolates-of-different-livestock-and-geographical-regions-of-india
#16
Souti Prasad Sarkhel, S K Gupta, Jyoti Kaushik, Jarnail Singh, Vijesh Kumar Saini, Sanjay Kumar, Rajender Kumar
Trypanosoma evansi, the aetiological agent of Surra affects a wide range of livestock and wild animals in India. In the present study, we studied intra- and inter species genetic variability in the transferrin receptor encoding gene regions (ESAG6/7 gene region) of T. evansi isolates by cloning, sequencing and phylogenetic study collected from camel, cattle, donkeys and ponies from North-Western and Central India. The nucleotide sequence variation of ESAG6/7 gene region between Indian T. evansi isolates was up to 17...
March 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28029091/serological-and-genomic-evidence-of-rift-valley-fever-virus-during-inter-epidemic-periods-in-mauritania
#17
M Rissmann, M Eiden, B O El Mamy, K Isselmou, B Doumbia, U Ziegler, T Homeier-Bachmann, B Yahya, M H Groschup
Rift Valley fever virus (RVFV) is an emerging pathogen of major concern throughout Africa and the Arabian Peninsula, affecting both livestock and humans. In the past recurrent epidemics were reported in Mauritania and studies focused on the analysis of samples from affected populations during acute outbreaks. To verify characteristics and presence of RVFV during non-epidemic periods we implemented a multi-stage serological and molecular analysis. Serum samples of small ruminants, cattle and camels were obtained from Mauritania during an inter-epidemic period in 2012-2013...
December 28, 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/28018023/camels-and-climate-resilience-adaptation-in-northern-kenya
#18
Elizabeth E Watson, Hassan H Kochore, Bulle Hallo Dabasso
In the drylands of Africa, pastoralists have been facing new challenges, including those related to environmental shocks and stresses. In northern Kenya, under conditions of reduced rainfall and more frequent droughts, one response has been for pastoralists to focus increasingly on camel herding. Camels have started to be kept at higher altitudes and by people who rarely kept camels before. The development has been understood as a climate change adaptation strategy and as a means to improve climate resilience...
2016: Human Ecology: An Interdisciplinary Journal
https://www.readbyqxmd.com/read/28012779/vaccination-of-alpacas-against-rift-valley-fever-virus-safety-immunogenicity-and-pathogenicity-of-mp-12-vaccine
#19
M Rissmann, R Ulrich, C Schröder, B Hammerschmidt, D Hanke, C Mroz, M H Groschup, M Eiden
Rift Valley fever (RVF) is an emerging zoonosis of major public health concern in Africa and Arabia. Previous outbreaks attributed camelids a significant role in the epidemiology of Rift Valley fever virus (RVFV), making them an important target species for vaccination. Using three alpacas as model-organisms for dromedary camels, the safety, immunogenicity and pathogenicity of the MP-12 vaccine were evaluated in this study. To compare both acute and subacute effects, animals were euthanized at 3 and 31days post infection (dpi)...
December 21, 2016: Vaccine
https://www.readbyqxmd.com/read/28009529/high-prevalence-of-middle-east-respiratory-coronavirus-in-young-dromedary-camels-in-jordan
#20
Neeltje van Doremalen, Zaidoun S K Hijazeen, Peter Holloway, Bilal Al Omari, Chester McDowell, Danielle Adney, Hani A Talafha, Javier Guitian, John Steel, Nadim Amarin, Markos Tibbo, Ehab Abu-Basha, Ahmad M Al-Majali, Vincent J Munster, Juergen A Richt
Prevalence of Middle East respiratory syndrome coronavirus (MERS-CoV) was determined in 45 dromedary camels from two geographically separated herds in Jordan. Virus shedding was only detected in swabs obtained from the respiratory tract and primarily observed in camels younger than 3 years. MERS-CoV seroprevalence increased with age of camels. Bovine and sheep sera were seronegative. Phylogenetic analysis of partial S2 clustered the Jordanian MERS-CoV strains with contemporary MERS-CoV strains associated with nosocomial outbreaks...
December 23, 2016: Vector Borne and Zoonotic Diseases
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