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https://www.readbyqxmd.com/read/28733752/generic-immunosuppressants
#1
Mara Medeiros, Julia Lumini, Noah Stern, Gilberto Castañeda-Hernández, Guido Filler
Immunosuppressive drugs for solid organ transplantation are critical dose drugs with a narrow therapeutic index. Many of the most commonly used innovator drugs are off patent and have been replicated by generic counterparts, often at substantial cost-savings to the patient. However, serious adverse events caused by the transition from innovator to generic medications, specifically in pediatric solid organ transplant recipients, have questioned these autosubstitutions. The purpose of this review is to summarize the criteria set forth by the regulatory bodies, and to examine how major immunosuppressive drugs conform to these recommendations...
July 21, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28732183/new-resins-for-dental-composites
#2
A P P Fugolin, C S Pfeifer
Restorative composites have evolved significantly since they were first introduced in the early 1960s, with most of the development concentrating on the filler technology. This has led to improved mechanical properties, notably wear resistance, and has expanded the use of composites to larger posterior restorations. On the organic matrix side, concerns over the polymerization stress and the potential damage to the bonded interface have dominated research in the past 20 y, with many "low-shrinkage" composites being launched commercially...
July 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28731160/adipose%C3%A2-derived-stem-cells-and-hyaluronic-acid-based-gel-compatibility-studied-in-vitro
#3
Jiayan Guo, Shu Guo, Yuxin Wang, Yanqiu Yu
Minimally invasive aesthetic and cosmetic procedures have increased in popularity. Injectable dermal fillers provide soft tissue augmentation, improve facial rejuvenation and wrinkles, and correct tissue defects. To investigate the use of adipose‑derived stem cells integrated with a hyaluronic acid based gel as a dermal filler, the present study used cytotoxicity studies, proliferation studies, adipogenic and osteogenic differentiation, apoptosis assays and scanning electron microscopy. Although hyaluronic acid induced low levels of apoptosis in adipose‑derived stem cells, its significantly promoted proliferation of adipose‑derived stem cells...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28730626/adverse-reactions-to-fillers-should-be-published-on-the-consensus-statement-on-adverse-effects-following-hyaluronic-acid-based-fillers
#4
B Rzany
No abstract text is available yet for this article.
July 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28728332/skin-necrosis-with-oculomotor-nerve-palsy-due-to-a-hyaluronic-acid-filler-injection
#5
Jae Il Lee, Seok Joo Kang, Hook Sun
Performing rhinoplasty using filler injections, which improve facial wrinkles or soft tissues, is relatively inexpensive. However, intravascular filler injections can cause severe complications, such as skin necrosis and visual loss. We describe a case of blepharoptosis and skin necrosis caused by augmentation rhinoplasty and we discuss the patient's clinical progress. We describe the case of a 25-year-old female patient who experienced severe pain, blepharoptosis, and decreased visual acuity immediately after receiving a filler injection...
July 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28726351/correction-of-horizontal-neck-lines-our-preliminary-experience-with-hyaluronic-acid-fillers
#6
Soo-Keun Lee, Hei Sung Kim
BACKGROUND: There is an increasing trend shifting the esthetic focus downward from the face with a significant number of new treatments aimed at the aging neck. Hyaluronic acid (HA) filler injection is widely performed into the horizontal neck lines in Korea, but there are few reports assessing its effectiveness. OBJECTIVE: We aimed to evaluate the efficacy and safety of HA filler injection in the treatment of horizontal neck lines. PATIENTS AND METHODS: A retrospective chart review was performed on cases of horizontal neck lines treated with HA fillers...
July 20, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28726011/thermal-structural-and-acetylation-behavior-of-snail-and-periwinkle-shells-chitin
#7
Oluwashina Philips Gbenebor, Emmanuel Isaac Akpan, Samson Oluropo Adeosun
This article reports a successful removal of CaCO3 from snail and periwinkle shells for the purpose of producing high quality chitin for possible application as bio-fillers in bone fixation materials. Experiment was designed with varying concentrations of acid and alkali for demineralization, deproteinization and deacetylation of the samples. Thermal characteristics, morphology, degree of de-acetylation, crystalline structure and hydrogen bonding characteristics of the extracted chitin were examined. Infra-red spectra, thermogravimetric analysis and X-ray diffraction patterns show that demineralization with 1...
July 19, 2017: Progress in biomaterials
https://www.readbyqxmd.com/read/28723735/microanatomical-location-of-hyaluronic-acid-gel-following-injection-of-the-upper-lip-vermillion-border-comparison-of-needle-and-microcannula-injection-technique
#8
Alexander D Blandford, Catherine J Hwang, Jason Young, Alexander C Barnes, Thomas P Plesec, Julian D Perry
PURPOSE: To compare needle and microcannula injection techniques in regards to the microanatomical location of hyaluronic acid (HA) gel injected in the upper lip vermillion border of cadaver specimens. METHODS: The upper lip vermillion border was injected transcutaneously with HA gel in 8 fresh hemifaces of 4 female human cadavers. Each hemiface was injected by a single experienced injector, the right side using a 27-gauge microcannula and the left side using a 30-gauge needle...
July 18, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28723068/biomimetic-hybridization-of-kevlar-into-silk-fibroin-nanofibrous-strategy-for-improved-mechanic-properties-of-flexible-composites-and-filtration-membranes
#9
Lili Lv, Xiangsheng Han, Lu Zong, Mingjie Li, Jun You, Xiaochen Wu, Chaoxu Li
Silk, one of the strongest natural biopolymers, was hybridized with Kevlar, one of the strongest synthetic polymers, through a biomimetic nanofibrous strategy. Regenerated silk materials have outstanding properties in transparency, biocompatibility, biodegradability and sustainability, and promised the applications as diverse as in pharmaceutics, electronics, photonic devices and membranes. To compete with super mechanic properties of their natural counterpart, regenerated silk materials have been hybridized with inorganic fillers such as graphene and carbon nanotubes, but frequently losing essential mechanic flexibility...
July 19, 2017: ACS Nano
https://www.readbyqxmd.com/read/28722037/magnetite-hollow-microspheres-with-a-broad-absorption-bandwidth-of-11-9-ghz-toward-promising-lightweight-electromagnetic-microwave-absorption
#10
Ivan Shanenkov, Alexander Sivkov, Alexander Ivashutenko, Viktor Zhuravlev, Qing Guo, Liping Li, Guangshe Li, GuoDong Wei, Wei Han
High-performance magnetite-based hollow spheres with the advantages of low density and low loading content are promising as an ideal lightweight electromagnetic (EM) wave absorption candidate. However, the effective preparation methods for these hollow spheres are still limited, and as a result, materials design and practical applications based on their size-dependent EM microwave attenuation properties are poorly accessible. In this study, high quality magnetite hollow spheres were successfully prepared by a simple, fast, one-step, and scalable plasma dynamic method with sole use of inexpensive precursors (oxygen and mild steel)...
July 19, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28721082/effectiveness-evaluation-of-two-volumizing-hyaluronic-acid-dermal-fillers-in-a-controlled-randomized-double-blind-split-face-clinical-study
#11
Martina Kerscher, Karla Agsten, Maria Kravtsov, Welf Prager
BACKGROUND: Enhancement of the midface can be achieved with volumizing hyaluronic acid (HA) fillers. OBJECTIVE: The objective of this study was to compare the safety and effectiveness of Cohesive Polydensified Matrix(®) 26 mg/mL HA gel (CPM-26) and Vycross(®) 20 mg/ml HA gel (VYC-20) in a controlled, randomized, evaluator-blind, split-face clinical study. PATIENTS AND METHODS: Subjects with moderate-to-severe malar volume loss on the Merz Aesthetics Scale (MAS) received CPM-26 on one side and VYC-20 on the contralateral side of the face...
2017: Clinical, Cosmetic and Investigational Dermatology
https://www.readbyqxmd.com/read/28719731/anatomical-vs-functional-motor-points-of-selected-upper-body-muscles
#12
Alexander Franz, Joschua Klaas, Moritz Schumann, Thomas Frankewitsch, Timm J Filler, Michael Behringer
Introduction We aimed to identify nerve entry points (NEP) of superficial skeletal muscles obtained by dissection of 20 human cadavers and to compare those to motor points (MP) previously obtained by electrical stimulation. Methods The biceps brachii- (BB), trapezius (TZ), latissimus dorsi (LD), pectoralis major (Pmaj) and pectoralis minor muscles (Pmin) were dissected from human cadavers. Mean values ±SD of the NEPs of each muscle were calculated. F-tests with Bonferroni corrections were used to compare NEPs and MPs...
July 18, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28719186/elastomer-reinforced-with-regenerated-chitin-from-alkaline-urea-aqueous-system
#13
Peng Yu, Hui He, Yuanfang Luo, Demin Jia, Alain Dufresne
Novel hybrid elastomer/regenerated chitin (R-chitin) composites were developed, for the first time, by introducing chitin solution (dissolved in alkaline/urea aqueous solution at low temperature) into rubber latex, and then co-coagulating using ethanol as the co-coagulant. During the rapid co-precipitation process, the chitin solution showed rapid coagulant-induced gelation and a porous chitin phase was generated, while the rubber latex particles were synchronously demulsificated to form the rubbery phase. The two phases interlaced and interpenetrated simultaneously to form an Interpenetrating Polymer Network (IPN) structure, which was evidenced by SEM observation...
July 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28718615/development-of-nanofiber-sponges-containing-nerve-guidance-conduit-for-peripheral-nerve-regeneration-in-vivo
#14
Binbin Sun, Zi-Fei Zhou, Tong Wu, Weiming Chen, Dawei Li, Hao Zheng, Hany El-Hamshary, Salem S Al-Deyab, Xiumei Mo, Yinxian Yu
In the study of hollow nerve guidance conduit (NGC), the dispersion of regenerated axons always confused the researchers. To address this problem, filler-containing NGC was prepared, which showed better effect in the application of nerve tissue engineering. In this study, nanofiber sponges with abundant macro-pores, high porosity, and superior compressive strength were fabricated by electrospinning and freeze-drying. Poly (l-lactic acid-co-ε-caprolactone)/silk fibroin (PLCL/SF) nanofiber sponges were used as filler to prepare three-dimensional nanofiber sponges-containing (NS-containing) NGC...
July 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28718482/molecular-insight-into-the-mullins-effect-irreversible-disentanglement-of-polymer-chains-revealed-by-molecular-dynamics-simulations
#15
Chi Ma, Tuo Ji, Christopher G Robertson, R Rajeshbabu, Jiahua Zhu, Yalin Dong
The debate regarding the possible molecular origins of the Mullins effect has been ongoing since its discovery. Molecular dynamics (MD) simulations were carried out to elucidate the underlying mechanism of the Mullins effect. For the first time, the key characteristics associated with the Mullins effect, including (a) the majority of stress softening occurring in the first stretch, (b) continuous softening with stress increase, (c) a permanent set, and (d) recovery with heat treatment, are captured by molecular modeling...
July 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28718201/granulomatous-reaction-to-hyaluronic-acid-filler-material-in-oral-and-perioral-region-a-case-report-and-review-of-literature
#16
REVIEW
Carlos Eduardo P Alcântara, Mariana S Noronha, Joanna F Cunha, Isadora L Flores, Ricardo A Mesquita
The use of cosmetic fillers agents in orofacial region has become more often used for esthetic concern. Although adverse effects are rare, some patients may develop foreign body reaction to such fillers. Hyaluronic acid (HA) is a biomaterial in the spotlight, because it is normally present in several tissues of human body. The aim of this study was to report a case of a 54-year-old white woman with granulomatous reaction to the HA located in the lips. In addition, a review of the English-language literature of all previously described cases of this condition in oral and perioral region was performed...
July 17, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28715697/development-of-simultaneous-nitrification-denitrification-snd-in-biofilm-reactors-with-partially-coupled-a-novel-biodegradable-carrier-for-nitrogen-rich-water-purification
#17
Jing Zhao, Lijuan Feng, Guangfeng Yang, Jincheng Dai, Jun Mu
Development of simultaneous nitrification-denitrification (SND) is a promising approach for nitrogen-rich water purification. Coupling biofilm reactors with novel biodegradable carrier of Pumelo Peel (PP) and various conventional plastic fillers (polyurethane filler, SPR-1 suspension filler, TA-II elastic filler and sphere filler) were examined to achieve SND in this study. Results represented that partially coupled with PP could achieve highly efficient SND. Optimal performance appealed in a bioreactor of coupling PP and SPR-1filler with ammonia and total nitrogen removal efficiencies of 96...
June 26, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28715577/device-safety-implications-of-the-clinical-data-leading-to-us-food-and-drug-administration-approval-of-soft-tissue-fillers-a-systematic-review
#18
Mary E Lohman, Comeron W Ghobadi, Shuai Xu
Importance: The US Food and Drug Administration (FDA) recently issued a safety warning regarding soft-tissue fillers (STFs) based on the risk of blindness and facial necrosis. Objective: To examine the quality of evidence leading to FDA approval of STFs. Evidence Review: All original approvals for STFs were mined using the publicly available FDA database. The Cochrane Collaboration's risk of bias assessment tool was applied to all randomized clinical trials (RCTs)...
July 13, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28715201/rational-design-of-s-uio-66-go-hybrid-nanosheets-for-proton-exchange-membranes-with-significantly-enhanced-transport-performance
#19
Huazhen Sun, Beibei Tang, Peiyi Wu
Metal-organic frameworks (MOFs) are being intensively explored as filler materials for polymeric proton exchange membranes (PEMs) due to their potentials for the systematic design and modification of proton-conducting properties. S-UiO-66, a stable MOF with functional groups of -SO3H in its ligands, was selected here to prepare S-UiO-66@graphene oxide (GO) hybrid nanosheets via facile in situ growth procedure, and then a series of composite PEMs were prepared by hybridizing S-UiO-66@GO and sulfonated poly(ether ether ketone) (SPEEK)...
July 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28713702/evidence-based-efficacy-of-autologous-grated-cartilage-in-primary-and-secondary-rhinoplasty
#20
Ali Manafi, Ali Kaviani, Zahra Sadat Hamedi, Afsaneh Rajabiani, Navid Manafi
BACKGROUND: There are numerous methods to mold and shape cartilage grafts for use in rhinoplasty. Each technique has advantages and disadvantages. We are going to introduce a new method for cartilage shaping with long lasting effects confirmed by follow up examination and pathologic evaluation. METHODS: Grated cartilage was used in 483 patients. For 89 cases, it was wrapped in fascia and in 394 patients, used as a filler per se or in contiguity with solid structural grafts...
May 2017: World Journal of Plastic Surgery
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