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https://www.readbyqxmd.com/read/29458102/%C3%AE-irradiated-chitosan-based-injectable-hydrogels-for-controlled-release-of-drug-montelukast-sodium
#1
Sadaf Hafeez, Atif Islam, Nafisa Gull, Abbas Ali, Shahzad Maqsood Khan, Saba Zia, Kalsoom Anwar, Saba Urooge Khan, Tahir Jamil
Novel pH-sensitive γ-irradiated low molecular weight chitosan (CS) (pre-irradiated) and poly (vinyl alcohol) (PVA) blended injectable hydrogels, crosslinked with varying concentrations of glycerol, were fabricated for drug delivery application. The effect of low molecular weight irradiated CS on controlled drug release was evaluated to address the problem of higher viscosity and lower solubility of high molecular weight CS. The FTIR spectra of hydrogels depicted the presence of all the incorporated functional groups and the developed interactions (physical and chemical)...
February 16, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29457989/propylthiouracil-induced-anti-neutrophil-cytoplasmic-antibody-associated-vasculitis-mimicking-kawasaki-disease
#2
Yoshihiro Aoki, Katsuhiko Kitazawa, Hironobu Kobayashi
Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is rare in children and is characterised as necrotising vasculitis predominantly affecting small and medium-sized vessels. Propylthiouracil (PTU), an antithyroid drug, has been implicated in drug-induced AAV. In contrast, Kawasaki disease (KD) is a common systemic vasculitis, typically observed in children, which affects the medium-sized vessels, including the coronary arteries. An 11-year-old girl who developed AAV while receiving PTU therapy for Graves' disease is described...
February 19, 2018: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/29457925/controlled-release-of-mitomycin-c-from-phemah-cu-ii-cryogel-membranes
#3
Monireh Bakhshpour, Handan Yavuz, Adil Denizli
Molecular imprinting technique was used for the preparation of antibiotic and anti-neoplastic chemotherapy drug (mitomycin C) imprinted cryogel membranes (MMC-ICM). The membranes were synthezied by using metal ion coordination interactions with N-methacryloyl-(l)-histidine methyl ester (MAH) functional monomer and template molecules (i.e. MMC). The 2-hydroxyethyl methacrylate (HEMA) monomer and methylene bisacrylamide (MBAAm) crosslinker were used for the preparation of mitomycin C imprinted cryogel membranes by radical suspension polymerization technique...
February 19, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29457859/post-infectious-acute-glomerulonephritis-with-podocytopathy-induced-by-parvovirus-b19-infection
#4
Satoshi Hara, Masayoshi Hirata, Kiyoaki Ito, Ichiro Mizushima, Hiroshi Fujii, Kazunori Yamada, Michio Nagata, Mitsuhiro Kawano
Human parvovirus B19 infection causes a variety of glomerular diseases such as post-infectious acute glomerulonephritis and collapsing glomerulopathy. Although each of these appears independently, it has not been fully determined why parvovirus B19 provokes such a variety of different glomerular phenotypes. Here, we report a 68-year-old Japanese man who showed endocapillary proliferative glomerulonephritis admixed with podocytopathy in association with parvovirus B19 infection. The patient showed acute onset of heavy proteinuria, microscopic hematuria and kidney dysfunction with arthralgia and oliguria after close contact with a person suffering from erythema infectiosum...
February 19, 2018: Pathology International
https://www.readbyqxmd.com/read/29457717/oedometric-small-angle-neutron-scattering-in-situ-nano-pore-structure-during-bentonite-consolidation-and-swelling-in-co2-environments
#5
Thomas Dewers, Jason E Heath, Charles R Bryan, Joseph T Mang, Rex Paul Hjelm, Mei Ding, Mark Taylor
Results of oedometric consolidation experiments linked with small-angle neutron scattering (SANS) measurements are presented, using SWy-2 Wyoming bentonite clay in dry and water-bearing N2 and CO2 atmospheres. Oedometric SANS involves deforming a porous sample under uniaxial strain conditions with applied axial force and internal pore pressure control, and combines with SANS for in situ observation of pore structure evolution and interaction. Scattering from both interlayer (clay intra-aggregate) and free (inter-aggregate) pores is observed, showing decreasing pore size with dry consolidation and interactions between interlayer and free pore types with swelling and consolidation...
February 19, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29457597/injectable-collagen-rgd-systems-for-bone-tissue-engineering-applications
#6
Fu-Chen Kung
Imbalance crosslink density and polymer concentration gradient is formed within the traditional alginate hydrogel using calcium chloride as a crosslinking agent in external gelation for instantaneously process. In this studying, type I collagen (Col I) blended calcium salt form of poly(γ-glutamic acid) (γCaPGA) was mixing with RGD-modified alginate with convenient gelation process and suitable for practical use. The hydrophilicity of the resulting hydrogels was evaluated through swelling tests, water retention capacity tests, and water vapor permeation tests...
2018: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/29457593/characterization-study-and-optimization-of-swelling-behavior-for-p-hema-co-eudragit-l-100-hydrogels-by-using-taguchi-method
#7
Hediye Irem Ozgunduz, Abdullah Bilal Ozturk, Hava Gizem Kandilci, Nil Acarali
The aim of this study is to produce the smart hydrogel to use insulin release for human body. p(HEMA-co-Eudragit L-100) hydrogels containing different ratios of 2-Hydroxyethyl methacrylate (HEMA) and Eudragait L-100 were synthesized by using ammonium persulfate (APS) as an initiator and ethylene glycol dimethacrylate (EGDMA) as a cross linker. The structures of hydrogels produced were characterized by using Fourier Transform Infrared Spectroscopy (FT-IR) and Scanning electron microscope (SEM) analysis. In this way, optimum synthesis conditions were determined for p(HEMA-co-Eudragit L-100) hydrogels by using Taguchi method as an optimization method...
2018: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/29457489/shingrix-the-new-adjuvanted-recombinant-herpes-zoster-vaccine
#8
Stephanie F James, Elias B Chahine, Allana J Sucher, Cassandra Hanna
OBJECTIVES: To review the immunogenicity, efficacy, and safety of the herpes zoster subunit vaccine (HZ/su) for use in adult patients for the prevention of shingles. DATA SOURCES: A literature search through PubMed was conducted (June 2008 to October 2017) using the terms shingles vaccine and varicella zoster virus. References from retrieved articles and the prescribing information were also reviewed for any additional material. STUDY SELECTION/DATA EXTRACTION: The literature search was limited to human studies published in English...
February 1, 2018: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/29457455/ultrathin-%C3%AE%C2%BA-carrageenan-chitosan-hydrogel-films-with-high-toughness-and-anti-adhesion-property
#9
Hai Chao Yu, He Zhang, Ke-Feng Ren, Zhimin Ying, Fengbo Zhu, Jin Qian, Jian Ji, Zi Liang Wu, Qiang Zheng
Designing tough biopolymer-based hydrogels as structural biomaterials has both scientific and practical significances. We report a facile approach to prepare polysaccharide-based hydrogel films with remarkable mechanical performances and anti-adhesion property. The hydrogel films with thickness of 40-60 μm were prepared by mixing aqueous solutions of κ-carrageenan (κ-CG) and protonated chitosan (CS), evaporating the solvent, and then swelling the casted film in water to achieve the equilibrium state. The obtained κ-CG/CS gel films with water content of 48-88 wt% possessed excellent mechanical properties superior to most existing biopolymer-based hydrogels, with breaking stress of 2-6...
February 19, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29457414/-clinical-research-of-popliteal-cyst-excision-combined-with-debridement-of-the-knee-under-arthroscopy-with-local-anesthesia
#10
Ji Li, Zhong-Li Li, Hao Zhang, Ke-Tao Wang, Yi-Meng Yang, Xiang-Zheng Su
OBJECTIVE: To evaluate the clinical effects of popliteal cyst excision combined with debridement of the knee under arthroscopy with local anesthesia. METHODS: From February 2009 to August 2014, 52 patients with popliteal cysts were treated in our hospital, including 34 males and 18 females with an average age of 43.6 years old ranging from 14 to 62 years old; 29 cases were on the right knee and 23 on the left knee. Preoperative diagnosis was performed according to MRI findings and to determine whether other knee disorders were associated with the disease, 52 patients were diagnosed as popliteal cyst before operation; 23 cases of simple meniscus injury or cartilage injury, 18 cases of osteoarthritis, 7 cases of cruciate ligament injury, 2 cases of gouty arthritis, 1 case of rheumatoid arthritis, 1 case of pigmented villonodular arthritis...
October 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457413/-clinical-observation-of-proximal-femoral-anti-rotation-nail-for-the-treatment-of-femoral-intertrochanteric-fracture
#11
Fang-Gui Sun, De-Xin Wang, Yu-Tong Hu, Rong-Ming Xu
OBJECTIVE: To explore the curative effect and the recessive loss of blooding of PFNA for the treatment of intertrochanteric fractures of femur. METHODS: From January 2012 to January 2015, a total of 49 patients with intertrochanteric fractures of femur were treated with proximal femoral anti-rotation nail including 41 males and 8 females with an average age of 79 years old ranging from 65 to 91 years old. According to the modified Evans type, 1 case was type I, 12 cases were type II, 36 cases were type III...
October 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457408/-double-plate-fixation-via-combined-approaches-for-the-treatment-of-old-tibial-plateau-fractures-of-schatzker-type-iv
#12
Hong-Lue Tan, Peng-Yi Dai, Wei-Feng Liu, Yan-Hao Yuan
OBJECTIVE: To explore the clinical efficacy of double-plate fixation for the treatment of old tibial plateau fractures with Schatzker type IV through anterior midline and posteromedial approaches. METHODS: From July 2013 to July 2015, 15 patients with old tibial plateau fractures were treated with internal fixation using locking reconstructive plate for the posteromedial fragment and anatomical locking plate for anteromedial fragment through antero midline and posteromedial approaches...
October 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457402/-clinical-study-on-negative-pressure-closed-drainage-combined-with-vancomycin-loaded-calcium-sulfate-and-autogenous-bone-in-the-treatment-of-chronic-osteomyelitis
#13
Qiang Li, Shi-Feng Song, Wei Zhang, Guo-Zhi Wu, Li-Zhu Liu
OBJECTIVE: To study the clinical effects of negative pressure closed drainage combined with vancomycin loaded calcium sulfate and autogenous bone in the treatment of chronic osteomyelitis. METHODS: From June 2013 to December 2016, there were 35 cases of chronic osteomyelitis patients in our department, including 23 males and 12 females, ranging in age from 11 to 65 years old, with an average of 34 years old. The course of disease ranged from 8 to 46 months, with an average of 26 months...
November 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457228/usefulness-of-ultrasonography-in-diagnosis-percutaneous-management-and-follow-up-of-post-traumatic-scalp-pseudoaneurysms
#14
Sivasubramanian Srinivasan, Rahul Lohan, Hsien Khai Tan, Raymond Chung, Suresh B Babu
Pseudoaneurysms of the scalp are rare. Most common etiology is trauma. The patients usually present clinically with persistent painful swelling in the scalp few days after the trauma. The lesion may or may not be pulsatile clinically. Ultrasonography (US) is the best modality to assess these pseudoaneurysms. It not only helps in the diagnosis, but also to trace the offending arterial branch and helps in treatment. We present two cases of post-traumatic scalp pseudoaneurysms which were diagnosed with US and were managed by US-guided thrombin injection...
February 19, 2018: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/29456748/wound-closure-expectations-after-fasciotomy-for-paediatric-compartment-syndrome
#15
E D Shirley, V Mai, K M Neal, G M Kiebzak
Purpose: Acute compartment syndrome often requires additional surgery to achieve wound closure. Little information exists regarding the expected number of surgeries, techniques and complications after closure in paediatric patients. Methods: A retrospective chart review identified patients treated for acute compartment syndrome at four hospitals over a ten-year period. The cause of injury, type of dressing, number of surgeries, type of closure and complications were recorded...
February 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29456709/anterior-spinal-instrumentation-combining-a-prosthetic-disc-nucleus-with-a-flexible-stabilization-device-manufacture-and-use-in-intervertebral-disc-repair
#16
Da Bao, Dawei Li
Artificial disc replacement alone is unable to completely cure cervical degenerative diseases; thus, a stabilization device markedly improves patient recovery. In order to meet this requirement, an anterior spinal instrumentation combining a prosthetic disc nucleus with a flexible stabilization device (ASI combining PDN/FD) was developed. An artificial disc was designed and manufactured using polyvinyl alcohol hydrogel (PVA-H) with a repeated freeze-melting technique, and subsequently the dehydration and swelling properties of the PVA-H were investigated...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456677/concurrent-eosinophilia-and-igg4-related-disease-in-a-child-a-case-report-and-review-of-the-literature
#17
Can Chen, Kuang Chen, Xilian Huang, Kaile Wang, Shenxian Qian
The current study presents the case of a 9-year-old Chinese boy who presented with eosinophilia and elevated serum levels of immunoglobulin G4 (IgG4). A bone marrow puncture identified an elevated eosinophil rate of 23% (normal range, <5%), which indicated eosinophilia. However, gene analysis, fluorescent in situ hybridization and other examinations, including bone marrow aspiration, blood routine, auto-antibody tests and parasitic and allergens screening, contradicted a diagnosis of secondary or clonal eosinophilia...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456657/intramuscular-primary-immunization-by-nucleic-acid-vaccine-pcdna-gpd-il-2-and-enhanced-immunization-with-mucosal-adjuvant-cpg-odn-and-gpd-il-2-recombinant-protein-effectively-induced-strong-mucosal-immune-responses-and-immune-protective-effects-against-treponema
#18
Xiaohong Zhang, Tie Zhao, Tiebing Zeng, Ning Wu, Yongjian Xiao, Shuangquan Liu, Jian Yu, Chuanhao Jiang, Lin Gan, Meixia Deng, Xi Luo, Feijun Zhao
The present study aimed to evaluate the immune effect of intramuscular primary immunization by the nucleic acid vaccine pcDNA/glycerophosphodiester phosphodiesterase-interleukin-2 (pcDNA/Gpd-IL-2) and enhanced immunization 2 weeks later with the combination of mucosal adjuvant CpG-oligodeoxynucleotides (ODN) and Gpd-IL-2 recombinant protein on skin infection caused by Treponema pallidum (Tp) in New Zealand rabbits. At week 8 following immunization, MTT assay was used to detect spleen cell proliferation, while enzyme-linked immunosorbent assay was performed to detect the cytokine and secretory immunoglobulin A (SIgA) levels...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456649/protective-effect-of-miconazole-on-rat-myelin-sheaths-following-premature-infant-cerebral-white-matter-injury
#19
Xuewen Su, Wenyan Tang, Zuo Luan, Yinxiang Yang, Zhaoyan Wang, Yu Zhang, Qian Wang, Lei Suo, Zhen Huang, Xiue Wang, Haifeng Yuan
The aim of the present study was to investigate the protective effects of miconazole on myelin sheaths following cerebral white matter damage (WMD) in premature infant rats. Sprague Dawley rats (3-days-old) were randomly divided into four groups (n=30 each) as follows: Sham surgery group, WMD model group, 10 mg/kg/day treatment group and 40 mg/kg/day treatment group. A cerebral white matter lesion model was created by ligating the right common carotid artery for 80 min. Treatment groups were administered with 10 or 40 mg/kg miconazole at 4-8 days following birth (early treatment group) or 5-11 days following birth (late treatment group)...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456618/an-unusual-presentation-of-adult-t-cell-leukemia-lymphoma
#20
Mohammed Tag-Adeen, Keiichi Hashiguchi, Yuko Akazawa, Ken Ohnita, Sawayama Yasushi, Niino Daisuke, Kazuhiko Nakao
Adult T-cell Leukemia/Lymphoma (ATL) is a rare disease, related to human T-lymphotropic virus-1 (HTLV-1) and presented mainly in adulthood by generalised lymphadenopathy, hepatosplenomegaly, skin lesions and hypercalcaemia, with rare gastrointestinal and/or oral manifestations. We reported this case to raise awareness and demonstrate the therapeutic challenges of this rare disease. A 49-year-old Japanese female presented with skin papules on both forearms, painful mouth ulcers and multiple neck swellings since early February 2017...
2018: Ecancermedicalscience
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