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https://www.readbyqxmd.com/read/28915896/placental-malaria-and-its-effect-on-pregnancy-outcomes-in-sudanese-women-from-blue-nile-state
#1
Samia A Omer, Hagir E Idress, Ishag Adam, Mutasim Abdelrahim, Ali N Noureldein, Abdelrahim M Abdelrazig, Mohammed O Elhassan, Suad M Sulaiman
BACKGROUND: Malaria infection during pregnancy can result in placental malaria and is associated with adverse pregnancy outcomes particularly among primigravidae. The aim of this study was to assess the prevalence and risk factors for placental malaria and its effect on pregnancy outcomes in Blue Nile state, Sudan. METHODS: A cross-sectional hospital-based study was conducted consecutively during January 2012-December 2015 in three main hospitals in Blue Nile State, Sudan...
September 16, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28910078/bifacial-biomimetic-freestanding-anisotropic-catechol-interfaces-with-asymmetrically-layered-films-as-versatile-extracellular-matrix-substitutes
#2
Byung Gee Im, Minjae Do, Yoojin Kim, Mira Cho, Jae-Hyung Jang
Biological naïve extracellular matrices (ECMs) exhibit anisotropic functions in their physical, chemical, and morphological properties. Representative examples include anisotropic skin layers or blood vessels simultaneously facing multiphasic environments. Here, anisotropically multifunctional structures called BiFACIAL (biomimetic freestanding anisotropic catechol-interfaces with asymmetrically layered) films were developed simply by contacting two polysaccharide solutions of heparin-catechol (Hep-C) and chitosan-catechol (Chi-C)...
September 14, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28903625/radioprotective-activity-of-curcumin-encapsulated-liposomes-against-genotoxicity-caused-by-gamma-cobalt-60-irradiation-in-human-blood-cells
#3
Minh-Hiep Nguyen, Pham Ngoc Duy, Bingxue Dong, Thi-Huynh-Nga Nguyen, Chi-Bao Bui, Kunn Hadinoto
PURPOSE: While the radioprotective activity of curcumin against genotoxicity has been well established, its poor oral bioavailability has limited its successful clinical applications. Nanoscale formulations, including liposomes, have been demonstrated to improve curcumin bioavailability. The objective of the present work was (1) to prepare and characterize curcumin-encapsulated liposomes (i.e. size, colloidal stability, encapsulation efficiency, and payload), and (2) subsequently to evaluate their radioprotective activity against genotoxicity in human blood cells caused by Gamma Cobalt-60 irradiation...
September 14, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28903347/retrospective-analysis-of-risk-factors-associated-with-kawasaki-disease-in-china
#4
Lihua Bai, Tienan Feng, Lifang Yang, Yi Zhang, Xuejuan Jiang, Jiayao Liao, Lihua Chen, Xiaoyan Feng, Yanming Rong, Yuehua Li, Zhiqiang Qin, Jing Qiao
In order to provide early intervention for coronary artery lesion (CAL) caused by Kawasaki Disease (KD), we analyzed clinical characteristics of typical and incomplete KD cases from 1998 to 2008 in Northwest and Central China. A total of 383 patients included 298 cases of typical KD and 85 cases of incomplete KD. The morbidity of incomplete KD was 28.5%, a percentage significantly lower than that of typical KD. The occurrence of bulbar conjunctiva congestion, erythra, crissum red, film-like decrustation, lip red, rhagades, raspberry tongue, bilateral toe-end decrustation, limb sclerosis, cervical lymph nodes enlargement, agitation and irritability in incomplete KD group was lower than that in the group of typical KD (p < 0...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28885030/platelet-adhesion-and-activation-on-chiral-surfaces-the-influence-of-protein-adsorption
#5
Yonghong Fan, Rifang Luo, Honghong Han, Yajun Weng, Hong Wang, Jingan Li, Ping Yang, Yunbing Wang, Nan Huang
Adsorbed protein and its conformational change on blood-contacting biomaterials will determine the final hemocompatibility. It has been reported frequently that surface chirality of biomaterials may highly influence protein adsorption behavior. Herein, lysine and tartaric acid with different chirality were immobilized onto TiO2 films respectively, and the influence of surface chirality on protein adsorption, platelet adhesion and activation was also investigated. It showed that the L- and D-molecule grafted samples had almost the same grafting density, surface topography, chemical components and hydrophilicity in this study...
September 8, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28875577/biocompatibility-assessment-of-cyclic-olefin-copolymers-impact-of-two-additives-on-cytotoxicity-oxidative-stress-inflammatory-reactions-and-hemocompatibility
#6
Mélisande Bernard, Emile Jubeli, Joudi Bakar, Lionel Tortolano, Johanna Saunier, Najet Yagoubi
This work reports the biocompatibility evaluation of cyclic olefin copolymers (COC) as candidates for implantable medical devices. The focus was to establish the influence of two major additives (antioxidant and lubricant) on the overall biocompatibility. The cytotoxicity was evaluated according to ISO 10993-5 guidelines using L929 fibroblasts, HUVEC and THP-1-derived macrophages. Oxidative stress (ROS, GSH/GSSG and SOD analysis) and pro-inflammatory cytokines (Il-6 and TNF-α secretion) were quantified using THP-1 cells in direct contact with films...
September 5, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28870323/poly-l-cysteine-electrospun-copper-oxide-nanofibers-zinc-oxide-nanoparticles-nanocomposite-as-sensing-element-of-an-electrochemical-sensor-for-simultaneous-determination-of-adenine-and-guanine-in-biological-samples-and-evaluation-of-damage-to-dsdna-and-dna
#7
Majid Arvand, Masoomeh Sayyar Ardaki
A new nanocomposite film constructed of poly-l-cysteine/zinc oxide nanoparticles-electrospun copper oxide nanofibers (PLC/ZnO-NPs-CuO-NFs) was prepared on the surface of the graphite electrode (GE). The novel electrode was successfully applied for the simultaneous determination of guanine (G) and adenine (A), two of the most important components of DNA and RNA. The PLC/ZnO-NPs-CuO-NFs/GE enhanced the anodic peak currents of the purine bases conspicuously and could determine them sensitively and separately in 0...
September 15, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28866697/haematological-parameters-and-screening-tests-of-haemostasis-in-children-with-sepsis-results-from-a-tertiary-care-centre-in-india
#8
A Sharma, M Sikka, H Bhankar, S Gomber, S Sharma
Sepsis is a common cause of death in infants and children. Haemostatic abnormalities have been reported in such patients. There is scant information on the nature and frequency of these abnormalities in children especially from India. Our aim was to evaluate the nature and frequency of haematological and haemostatic abnormalities in children with sepsis. Fifty children between 1-10 years of age admitted with sepsis and 50 age-matched, healthy controls were included in the study. Complete blood counts, examination of stained peripheral blood film, prothrombin time (PT), activated partial thromboplastin time (APTT), plasma fibrinogen, C-reactive protein, liver function tests and serum creatinine were done in all patients and controls...
August 2017: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28866177/biomimetics-in-thin-film-design-niche-like-wrinkles-designed-for-i-cell-progenitor-cell-differentiation
#9
Roman Major, Juergen M Lackner, Marek Sanak, Boguslaw Major
The future and development of science are in interdisciplinary areas, such as biomedical engineering. Self-assembled structures, similar to stem cell niches, inhibit rapid cellular division processes and enable the capture of stem cells from blood flow. By modifying the surface topography and stiffness properties, progenitor cells were differentiated towards the formation of endothelial cell monolayers to effectively inhibit the coagulation cascade. Wrinkled material layers in the form of thin polymeric coatings were prepared...
November 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28864556/massive-splenomegaly-due-to-concurrent-primary-epstein-barr-virus-and-cytomegalovirus-infection-in-a-patient-on-adalimumab
#10
Barathy Rani Ramasamy, Patrick Charles, Douglas Johnson, Albert Frauman
A 32-year-old man who was receiving adalimumab for seronegative rheumatoid arthritis presented with a 4-week history of fever, night sweats, fatigue, myalgias and diarrhoea. On examination, he had obvious splenomegaly but no lymphadenopathy or pharyngitis. Full blood count revealed mild neutropenia and significant lymphocytosis, with a blood film showing atypical lymphocytes. Liver function tests were mildly deranged with a mixed hepatitic and obstructive pattern. Ultrasound confirmed massive splenomegaly with a span of 21 cm in the long axis...
September 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28860956/diagnosis-of-lymphoid-malignancy-by-pcr-for-analysis-of-antigen-receptor-rearrangement-after-blood-transfusion-in-a-dog-with-acute-lymphocytic-leukemia
#11
Suhee Kim, Hyunwoo Kim, Soo-Hyeon Lee, Ilhan Cho, Seongwoo Kang, Junwoo Bae, Woosun Kim, Soomin Ahn, Jihye Choi, Sang-Ki Kim, Yoonjung Do, Jae Gyu Yoo, Jinho Park, DoHyeon Yu
Acute lymphocytic leukemia (ALL) is uncommon lymphoid malignancy in dogs, and its diagnosis is challenging. A 14-year-old spayed female mixed breed dog was transferred to a veterinary medical teaching hospital for an immediate blood transfusion. The dog showed lethargy, pale mucous membranes, and a weak femoral pulse. Complete blood count revealed non-regenerative anemia and severe leukopenia with thrombocytopenia. ALL was tentatively diagnosed based on the predominance of immature lymphoblasts on blood film examination...
August 2017: Immune Network
https://www.readbyqxmd.com/read/28854848/the-effect-of-anti-cd133-fucoidan-bio-coatings-on-hemocompatibility-and-epc-capture
#12
Hong Su, Guoneng Xue, Changrong Ye, Yan Wang, Ansha Zhao, Nan Huang, Jingan Li
Surface modification by immobilizing biomolecules has been widely proved to enhance biocompatibility of cardiovascular implanted devices. Here, we aimed at developing a multifunctional surface that not only provides good hemocompatibility but also functions well in capturing circulating endothelial progenitor cells (EPCs) in the blood flow to improve the surface endothelialization. In the present work, we preferred to chemically co-immobilize (Michael addition and Schiff base reaction) the anti-CD133 (EPC-specific antibody) and fucoidan (EPC-mobilization factor, which also contribute to better hemocompatibility) onto a polydopamine (PDA) film which is famous for its stability and endothelial cell (EC) compatibility...
August 31, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28852796/phthalocyanine-bodipy-dye-synthesis-characterization-and-utilization-for-pattern-recognition-of-cyfra-21-1-in-whole-blood-samples
#13
Raluca-Ioana Stefan-van Staden, Ionela Raluca Comnea-Stancu, Hülya Yanık, Meltem Göksel, Anghel Alexandru, Mahmut Durmuş
Phthalocyanine-BODIPY dye (BODIPY = boron dipyrromethene) was synthesized, fully characterized, and used for molecular recognition of CYFRA 21-1, a lung cancer biomarker, from whole blood samples. Thin films of three magnesium oxides ((MgO) n , where n = 8, 9, or 10)) were deposited on a paper substrate, and they were immersed in a solution of phthalocyanine-BODIPY dye (1.17 × 10(-3) mol/L) for the design of stochastic sensors. Limits of determination of picograms per milliliter magnitude order were recorded for the proposed stochastic sensors...
August 29, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28852022/multipoint-tissue-circulation-monitoring-with-a-flexible-optical-probe
#14
Yoko Tomioka, Shintaro Enomoto, Jian Gu, Akiko Kaneko, Itsuro Saito, Yusuke Inoue, Taeseong Woo, Isao Koshima, Kotaro Yoshimura, Takao Someya, Masaki Sekino
Compromised circulation is a potential complication during the postoperative period following tissue transplantation. The use of a monitoring device allows physicians to detect compromised circulation immediately. Such monitoring devices need to be continuously usable, wearable, and area-detectable. However, existing devices fail to satisfy all of these requirements simultaneously. We developed a wearable, multipoint pulse wave-monitoring device. An array of reflective optical sensors implemented on a thin film substrate was used as a lightweight and flexible probe...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28836435/controlling-molecular-weight-of-hyaluronic-acid-conjugated-on-amine-rich-surface-toward-better-multifunctional-biomaterials-for-cardiovascular-implants
#15
Jingan Li, Feng Wu, Kun Zhang, Zikun He, Dan Zou, Xiao Luo, Yonghong Fan, Ping Yang, Ansha Zhao, Nan Huang
The molecular weights (MWs) of hyaluronic acid (HA) in extracellular matrix secreted from both vascular endothelial cells (VECs) and vascular smooth muscle cells (VSMCs) play crucial roles in the cardiovascular physiology, as HA with appropriate MW influences important pathways of cardiovascular homeostasis, inhibits VSMC synthetic phenotype change and proliferation, inhibits platelet activation and aggregation, promotes endothelial monolayer repair and functionalization, and prevents inflammation and atherosclerosis...
September 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28821482/hypersegmented-neutrophils-and-oval-macrocytes-in-the-setting-of-b12-deficiency-and-pancytopaenia
#16
Sean James Farrelly, Kieran Anthony O'Connor
Vitamin B12 deficiency is a recognised pathology in several populations, with a particular prevalence in an older adult population. We present two cases whereby vitamin B12 deficiency is the causative factor in marked pancytopaenia. Oval macrocytosis and hypersegmented neutrophils were noted on both peripheral blood samples, which are a characteristic finding in macrocytic anaemia due to B12 deficiency. Distinct underlying pathologies were identified in both cases; food-cobalamin malabsorption and pernicious anaemia...
August 17, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28818084/do-the-venous-blood-samples-replicate-malaria-parasite-densities-found-in-capillary-blood-a-field-study-performed-in-naturally-infected-asymptomatic-children-in-cameroon
#17
Maurice M Sandeu, Albert N Bayibéki, Majoline T Tchioffo, Luc Abate, Geoffrey Gimonneau, Parfait H Awono-Ambéné, Sandrine E Nsango, Diadier Diallo, Antoine Berry, Gaétan Texier, Isabelle Morlais
BACKGROUND: The measure of new drug- or vaccine-based approaches for malaria control is based on direct membrane feeding assays (DMFAs) where gametocyte-infected blood samples are offered to mosquitoes through an artificial feeder system. Gametocyte donors are identified by the microscopic detection and quantification of malaria blood stages on blood films prepared using either capillary or venous blood. However, parasites are known to sequester in the microvasculature and this phenomenon may alter accurate detection of parasites in blood films...
August 17, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28815621/red-blood-cell-sedimentation-of-apheresis-granulocytes
#18
Michelle A Lodermeier, Karen M Byrne, Willy A Flegel
Sedimentation of Apheresis Granulocyte components removes red blood cells. It is used to increase the blood donor pool when blood group-compatible donors cannot be recruited for a patient because of a major ABO incompatibility or incompatible red blood cell antibodies in the recipient. Because granulocytes have little ABO and few other red blood cell antigens on their membrane, such incompatibility lies mostly with the contaminating red blood cells. Video Clip S1 shows the process of red blood cell sedimentation of an Apheresis Granulocyte component...
August 16, 2017: Transfusion
https://www.readbyqxmd.com/read/28815005/phase-i-study-evaluating-the-safety-tolerability-and-pharmacokinetics-of-a-novel-oral-dissolvable-film-containing-dexamethasone-versus-fortecortin-dexamethasone-tablets
#19
Zuzana Diamant, Gabriella Samuelsson Palmgren, Bengt Westrin, Leif Bjermer
Introduction: Systemic corticosteroids are anti-inflammatory agents with dexamethasone among the most potent in the class. Within (respiratory) allergy, systemic corticosteroids are usually applied in medical emergencies. In these situations, patients may experience physical or logistic problems taking tablets. To fulfil a practical unmet need for outpatients, Dexa ODF, an oral dissolvable film containing dexamethasone, was developed. Objectives: We compared the safety, tolerability and pharmacokinetics (PK) of Dexa ODF with Fortecortin tablets in healthy subjects...
2017: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28814863/gentamicin-coating-of-nanotubular-anodized-titanium-implant-reduces-implant-related-osteomyelitis-and-enhances-bone-biocompatibility-in-rabbits
#20
Denghui Liu, Chongru He, Zhongtang Liu, Weidong Xu
Titanium and titanium alloy are widely used as orthopedic implants for their favorable mechanical properties and satisfactory biocompatibility. The aim of the present study was to investigate the antibacterial effect and bone cell biocompatibility of a novel implant made with nanotubular anodized titanium coated with gentamicin (NTATi-G) through in vivo study in rabbits. The animals were divided into four groups, each receiving different kinds of implants, that is, NTATi-G, titanium coated with gentamicin (Ti-G), nanotubular anodized titanium uncoated with gentamicin (NTATi) and titanium uncoated with gentamicin (Ti)...
2017: International Journal of Nanomedicine
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