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https://read.qxmd.com/read/30785141/carbon-reduction-as-an-easy-route-for-the-synthesis-of-vo-2-m1-and-further-al-ti-doping
#1
Shian Guan, Manuel Gaudon, Mélanie Souquet-Basiège, Oudomsack Viraphong, Nicolas Penin, Aline Rougier
A low-cost and facile method to synthesize highly crystallized VO2 (M1) particles is proposed, using carbon black as the reducing agent mixed with V2O5 nanopowders comparing two types of vacuum systems for the thermal activation. In a sealed vacuum system, CO gas is generated in the first reductive step, and continues to reduce the new born VO2, until all the V (+4) is reduced to V (+3), resulting in V2O3 formation at 1000 °C. In contrast, in a dynamic vacuum system, CO gas is ejected through pumping as soon as it is generated, leading to the formation of pure VO2 (M1) at high temperatures (i...
February 20, 2019: Dalton Transactions: An International Journal of Inorganic Chemistry
https://read.qxmd.com/read/30781835/the-modern-view-of-b-chromosomes-under-the-impact-of-high-scale-omics-analyses
#2
REVIEW
Syed Farhan Ahmad, Cesar Martins
Supernumerary B chromosomes (Bs) are extra karyotype units in addition to A chromosomes, and are found in some fungi and thousands of animals and plant species. Bs are uniquely characterized due to their non-Mendelian inheritance, and represent one of the best examples of genomic conflict. Over the last decades, their genetic composition, function and evolution have remained an unresolved query, although a few successful attempts have been made to address these phenomena. A classical concept based on cytogenetics and genetics is that Bs are selfish and abundant with DNA repeats and transposons, and in most cases, they do not carry any function...
February 13, 2019: Cells
https://read.qxmd.com/read/30744342/growth-performance-and-health-of-nursing-lambs-supplemented-with-inulin-and-lactobacillus-casei
#3
Marco A Ayala-Monter, David Hernández-Sánchez, Sergio González-Muñoz, René Pinto-Ruiz, José A Marinez-Aispuro, Nicólas Torres-Salado, Jerónimo Herrera-Pérez, Adrian Gloria-Trujillo
Objective: This experiment was designed to evaluate the prebiotic effect of Agave tequilana inulin and Lactobacillus casei on growth, hematological variables, serum metabolites and total coliforms in nursing lambs. Methods: Forty-five new born lambs (Kathadin x Dorset, 4.8 + 0.8 kg weight at birth) were randomly assigned to one of three treatments (T): T1, control (pre-starter concentrate, PC); T2: T1 + 2 % inulin; and T3, T1 + 2 % inulin + L. casei. The variables were daily weight gain (DWG), dry matter intake (DMI) and diarrheas incidence (%) during 56 d...
February 7, 2019: Asian-Australasian Journal of Animal Sciences
https://read.qxmd.com/read/30722764/biogenic-amines-profile-and-concentration-in-commercial-milks-for-infants-and-young-children
#4
U Gianfranco Spizzirri, Francesco Puoci, Francesca Iemma, Donatella Restuccia
Commercial milks for infants and young children (CMIYC) received much attention during last years for their impact on the nutritional status, health and development of the new-born and babies. Among possible contaminants contained in these foods, biogenic amines (BAs) have rarely been determined although they can exert toxic effects in humans if ingested at high concentrations. Spermine, spermidine, putrescine, histamine, tyramine, β-phenylethylamine and cadaverine have been quantified in CMIYC samples by LC-UV after derivatisation with dansyl-chloride...
February 5, 2019: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://read.qxmd.com/read/30716542/expression-of-neurogenic-markers-in-alzheimer-s-disease-a-systematic-review-and-metatranscriptional-analysis
#5
Ariana Gatt, Hyunah Lee, Gareth Williams, Sandrine Thuret, Clive Ballard
Alzheimer's disease (AD) is the most common form of dementia characterized by substantial neuronal loss and progressive brain atrophy. Animal studies have suggested that the process of adult neurogenesis might be altered at the earliest phases of disease onset. The relationship between AD progression and adult neurogenesis in the human brain is, however, not well understood. Here, we present a systematic review of the postmortem studies that investigated changes in human adult neurogenesis in the AD brain. We present findings from 11 postmortem studies that were identified by a systematic search within the literature, focusing on what markers of neurogenesis were used, which stages of AD were investigated, and whether the studies had any confounding information that could potentially hinder clear interpretation of the presented data...
January 8, 2019: Neurobiology of Aging
https://read.qxmd.com/read/30706166/ultrasonography-for-early-diagnosis-of-toxocara-canis-infection-in-puppies
#6
Andrea Corda, Claudia Tamponi, Roberta Meloni, Antonio Varcasia, Maria Luisa Pinna Parpaglia, Pablo Gomez-Ochoa, Antonio Scala
Toxocara canis is one of the most common intestinal parasites in dogs and represents a highly infectious zoonotic parasite worldwide. Adult worms live in the bowel of dogs, and infections in puppies are commonly acquired transplacentally. The biology of the parasite and the commonly used diagnostic method, based on faecal examination, often prevent an early diagnosis of toxocariasis in puppies. Ultrasonographic diagnosis of intestinal ascariasis could be a feasible alternative method to diagnose T. canis infection in puppies during the prepatent period...
January 31, 2019: Parasitology Research
https://read.qxmd.com/read/30702144/age-structure-and-multi-model-growth-estimation-of-longnose-stingray-hypanus-guttatus-dasyatidae-myliobatoidei-from-north-east-brazil
#7
M D Gianeti, F M Santana, L Yokota, J E Vasconcelos, J F Dias, R P Lessa
We collected 729 Hypanus guttatus from the northern coast of the state of Rio Grande do Norte (RN), of which 196 were used to estimate age and growth. Ninety-five were male (12.7 to 57.0 cm disc width; WD ) and 101 were female (13.0 to 88.5 cm WD ); females were significantly larger than males. Cross sections of vertebrae showed band-pairs ranging from 0 to >14 in females and from 0 to 9 in males. New-borns presented an opaque edge at birth in vertebrae without a birthmark. The average percentage of error (APE; %E) for the entire sample provided evidence that ages were repeatable...
January 31, 2019: Journal of Fish Biology
https://read.qxmd.com/read/30700288/the-activity-of-commercial-antimicrobials-and-essential-oils-and-ethanolic-extracts-of-olea-europaea-on-streptococcus-agalactiae-isolated-from-pregnant-women
#8
Munyaradzi Mukesi, Benson C Iweriebor, Larry C Obi, Uchechukwu U Nwodo, Sylvester R Moyo, Anthony I Okoh
BACKGROUND: Streptococcus agalactiae also known as Group B Streptococcus (GBS) is a major cause of disease in pregnant women and new born babies where it causes early and late onset disease characterised by sepsis, pneumonia and meningitis. Ten to 37 % of pregnant women in the world are colonised with GBS while intrapartum antibiotic prophylaxis has led to significant reduction in early onset disease. The increase in drug resistant microorganisms has become a major threat. Development of vaccines is still in progress so there is need for new and safer alternatives to treatment...
January 30, 2019: BMC Complementary and Alternative Medicine
https://read.qxmd.com/read/30691603/cerebral-and-cardiac-congenital-malformations-in-neonatal-west-indian-manatees-trichechus-manatus
#9
V L Carvalho, K R Groch, J L Catão-Dias, A C O Meirelles, C P N Silva, A N B Monteiro, J Díaz-Delgado
Strandings of live new-born West Indian manatees (WIMs; Trichechus manatus) are one of the main challenges for the conservation of this species in Brazil, particularly in the northeastern states. Congenital malformations (CMs) are rare in sirenians. We identified CMs in two of 19 stranded WIMs that were rescued, rehabilitated and subjected to complete pathological examinations in Ceará and Rio Grande do Norte States between 1992 and 2017. In case 1, dilation of the cerebral lateral and fourth ventricles with abundant cerebrospinal fluid (internal hydrocephalus), was diagnosed...
January 2019: Journal of Comparative Pathology
https://read.qxmd.com/read/30683555/fluorine-18-click-radiosynthesis-and-micropet-ct-evaluation-of-a-small-peptide-a-potential-pet-probe-for-carbonic-anhydrase-ix
#10
Lina Jia, Xiao Li, Dengfeng Cheng, Lan Zhang
Carbonic anhydrase IX (CA IX) is the first carbonic anhydrase found to be associated with cancer that is over-expressed in a variety of human solid tumors. As a surrogate marker for hypoxia, the expression of CA IX is strongly upregulated in hypoxic tumors by hypoxia and hypoxia-inducible factor 1a (HIF-1a). In our pursuit of a CA IX-specific PET probe, we designed and synthesized a peptide-based CA IX imaging probe by the efficient click reaction of 1,3-dipolar cycloaddition of terminal alkynes and organic azides...
January 17, 2019: Bioorganic & Medicinal Chemistry
https://read.qxmd.com/read/30683043/-retrospective-evaluation-of-serologic-and-molecular-test-results-of-toxoplasmosis-suspected-patients
#11
Emrah Erdoğan, Merve Yürük, Eda Sivcan, Serkan Karaca, Hanife Temel, Tuba Şabanoğlu, Aslıhan Gültekin, İzzet Şahin
Toxoplasma gondii is a compulsory intracellular protozoan parasite with a wide range of host in warm-blooded vertebrates and has importance in terms of health and economy. Toxoplasmosis is very common because it can infect people with a variety of ways; ingestion of contaminated water and nutrients; raw or undercooked meats containing tissue cysts, blood transfusions, organ transplantantation and transplacental transfer. The aim of this study was to evaluate serologic and molecular test results of toxoplasmosis pre-diagnosed patients...
January 2019: Mikrobiyoloji Bülteni
https://read.qxmd.com/read/30683039/-investigation-of-congenital-cmv-infection-with-the-presence-of-cmv-dna-in-saliva-samples-of-new-born-babies
#12
Ayşın Zeytinoğlu, Demet Terek, Ayşe Arslan, Selda Erensoy, Özge Altun Köroğlu, Tuğba Bozdemir, Mehmet Yalaz, Serap Nur Ergör, Mehmet Fatih Öğüt, Nilgün Kültürsay
Cytomegalovirus (CMV), is the most common cause among congenital infections and is the most seen etiology in long-term sensorineural hearing loss (SNHL) and neurological impairment. Congenital CMV infection (CCMV) was reported in 0.15-2.2% of live-borne neonates in studies from different countries. A significant proportion of infected infants are asymptomatic after birth and might only be detected by routine screening methods during the new born period. The aim of this study was to screen the saliva of live-born neonates with areal-time PCR based method for the detection of CCMV in our hospital...
January 2019: Mikrobiyoloji Bülteni
https://read.qxmd.com/read/30658643/a-new-immunochromatographic-assay-for-on-site-detection-of-porcine-epidemic-diarrhea-virus-based-on-monoclonal-antibodies-prepared-by-using-cell-surface-fluorescence-immunosorbent-assay
#13
Hongfen Bian, Fei Xu, Yumin Jia, Lei Wang, Shengchao Deng, Aiqing Jia, Yong Tang
BACKGROUND: Porcine epidemic diarrhea virus (PEDV) is a highly effective pathogen that can cause death of new-born piglet, resulting in big economical loss in pig farming industry. For rapid detection of PEDV, a new immunochromatographic assay (ICA) based on monoclonal antibodies (mAbs) was developed in this study. RESULTS: The mAbs were prepared by using PEDV positive hybridoma cells that were selected by using cell surface fluorescence immunosorbent assay (CSFIA)...
January 18, 2019: BMC Veterinary Research
https://read.qxmd.com/read/30651811/osteogenic-efficiency-in-vivo-of-scaffolding-material-of-prefabricated-vascularization
#14
Xiaorui Jiang, Huiying Yang, Botao Huang, Guodong Lin, Kai Wang, Yongchun Meng, Chunyu Xue
Osteogenic efficiency of pre-vascularization and non-vascularization decalcified bone scaffolds in bone defect repair was investigated. Twenty-one Sprague-Dawley (SD) mice were randomly assigned to three groups, and a bone defect area of ~1.5 cm in length in the thigh bone of the right posterior limbs of each mouse was made. Pre-vascularization decalcified bone scaffolds in vitro (group A) and non-treatment decalcified bone scaffolds (group B) were separately implanted. The defect vacancy was considered as the blank control (group C)...
January 2019: Experimental and Therapeutic Medicine
https://read.qxmd.com/read/30647946/a-simple-method-of-calculation-in-excel-for-the-protein-requirements-in-preterm-new-borns
#15
E C Stoicănescu, F Popescu, A Zavate
INTRODUCTION: The nutritional balance between the nutritional requirements of the organism and the intake is a very delicate thing to adjust especially when it comes to the premature new-born in whom often the oral feeding is very challenging and the need for parenteral feeding is very pressing. PURPOSE: The goal of this article is to present a simple method of calculation for the amino acid parenteral intake in preterm infants using the Excel spreadsheet platform as a platform...
July 2018: Current Health Sciences Journal
https://read.qxmd.com/read/30641270/transferrin-glycosylation-analysis-from-dried-blood-spot-cards-and-capillary-blood-samples
#16
Anna B Wolking, Julien H Park, Marianne Grüneberg, Janine Reunert, Ralph Fingerhut, Manfred Fobker, Thorsten Marquardt
BACKGROUND: Congenital disorders of glycosylation (CDG) are a growing group of inherited diseases causing manifold symptoms. Routine diagnostic procedures are high performance liquid chromatography (HPLC) or isoelectric focusing (IEF) of serum transferrin. METHODS: We introduce a modified method to screen for glycosylation abnormalities from dried blood spot (DBS) samples based on isoelectric focusing. In PGM1-CDG, glycosylation analysis and enzyme activity measurement were performed from a single DBS sample...
February 1, 2019: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://read.qxmd.com/read/30641204/listeriosis-in-mainland-china-a-systematic-review
#17
REVIEW
Fan Zhangling, Xie Jing, Li Yue, Wang Huanling
OBJECTIVE: The aim of the present study was to conduct a systematic review to better understand the epidemiological and clinical characteristics of listeriosis patients in mainland China. METHODS: The six most widely used Chinese and English databases were searched. Records on patients with listeriosis in mainland China reported from 2011 to 2017 were extracted. The clinical data of patients and information on clinical isolates of Listeria were collected and analysed...
January 11, 2019: International Journal of Infectious Diseases: IJID
https://read.qxmd.com/read/30632729/a-gap-analysis-of-mother-new-born-and-child-health-in-west-africa-with-reference-to-the-sustainable-development-goals-2030
#18
Vesna Bjegovic-Mikanovic, Raphael Broniatowski, Stephen Byepu, Ulrich Laaser
The Economic Community of West African States (ECOWAS) comprises 15-member states with an estimated population of 350 million. This account relates the present status of maternal, neonatal, and under-five-mortality to the Sustainable Development Goals (SDG) targets set for 2030. For each SDG indicator, progress observed was compared with that needed to meet the target (assuming linear progression). The time gap was calculated as the difference between the time remaining to the target year (2030) and the estimated time needed to achieve the target...
December 2018: African Journal of Reproductive Health
https://read.qxmd.com/read/30630483/high-prevalence-of-persistently-infected-animals-from-bovine-viral-diarrhea-in-colombian-cattle
#19
Juan Quintero Barbosa, Adriana P Corredor Figueroa, Sandra S Salas, Hugo Camargo, Alfredo Sanchéz, Julio Tobón, Diego Ortiz, Eric Schachtebeck, Maria Fernanda Gutierrez
BACKGROUND: Bovine Viral Diarrhea Virus (BVDV) is associated with gastrointestinal, respiratory and reproductive diseases of livestock across the world that causes continuous economic losses in the cattle industry. This virus can establish a persistent infection (PI) in calves after the fetal infection, making BVDV positive catle carriers and primary reservoirs which will constantly transmit the virus to healthy and new-born animals. For this reason, the detection of the PI animals in herds is the first line of prevention of the viral infection...
January 10, 2019: BMC Veterinary Research
https://read.qxmd.com/read/30621671/shall-parent-patient-wishes-be-fulfilled-in-any-case-a-series-of-32-ethics-consultations-from-reproductive-medicine-to-neonatology
#20
Mirella Muggli, Christian De Geyter, Stella Reiter-Theil
BACKGROUND: Questions concerning the parent/ patient's autonomy are seen as one of the most important reasons for requesting Ethics Consultations (ECs). Respecting parent/ patient's autonomy also means respecting the patient's wishes. But those wishes may be controversial and sometimes even go beyond legal requirements. The objective of this case series of 32 ECs was to illustrate ethically challenging parent / patients' wishes during the first stages of life and how the principle of patient's autonomy was handled...
January 8, 2019: BMC Medical Ethics
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