Silicone oil droplets have limited deposition on hair due to electrostatic repulsion with negative surface charge of hair substrates. Aiming to improve silicone deposition on hair substrates, surface properties of uniform-sized silicone oil droplets (produced by membrane emulsification) were modified using layer-by-layer electrostatic deposition. By using this method, silicone oil droplets were coated with large molecular weight polymers, i.e. quaternized chitosan and alginate, and low molecular weight compounds, i.e. diallyl dimethyl ammonium chloride and glycerol to obtain six alternate layers of different surface charges. It was found that the dispersion of coated silicone oil droplets of narrow size distribution exhibited much improved mechanical strength and increased viscosity against shear compared to uncoated droplets. These multilayered silicone oil droplets were then added into model shampoos and conditioners to study the effect of charge and molecular weight of coating materials on ...
Treatment of idiopathic macular hole with silicone oil tamponade Biljana Ivanovska-Adjievska,1 Salih Boskurt,1 Faruk Semiz,1 Hakan Yuzer,1 Vesna Dimovska-Jordanova21European Eye Hospital, Skopje, Macedonia, 2Clinic for Eye Diseases, University "St Cyril and Methodius", Skopje, MacedoniaPurpose: We analyzed the anatomical and visual outcomes after surgical treatment of idiopathic macular holes with pars plana vitrectomy, internal limiting membrane (ILM) peeling using Brilliant Blue dye, and silicone oil tamponade without postoperative posturing.Methods: This was a retrospective interventional study of 10 eyes in eight patients who underwent surgical treatment of idiopathic macular holes using pars plana vitrectomy, ILM peeling using Brilliant Blue dye, and silicone oil tamponade without postoperative posturing. The preoperative staging of macular holes and postoperative anatomic outcomes were assessed using spectral-domain optical coherence tomography.Results: All patients were women with a
According to a new market report published by Credence Research "Global Silicone Oil Market Growth, Future Prospects and Competitive Analysis, 2017 - 2025," the Silicone Oil market is expected to expand at a CAGR of 3.1% from 2017 to 2025.. Browse the full Silicone Oil Market - Market Growth, Future Prospects and Competitive Analysis, 2017 - 2025 report at http://www.credenceresearch.com/report/silicone-oil-market. Market Insights. The demand for silicone oil has grown globally due to growing medical industry. Silicone oil is widely used as tamponade agents in cases of complex retinal detachments. For instance, in cases of vitreoretinal surgery, these are ideal to relocate aqueous humor from the retinal surface. The removal of aqueous humour is significant in maintaining the adhesion between retina and retinal pigment epithelium. Apart from medicinal applications, silicone oil is also gaining popularity in wood working and construction industry because of its lubricating action. Silicone oil is ...
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Shangyu Fine Chemical Factory main products:Embedded Amino Silicone oil C-600,Nylon smoothening Silicone oil T-620A,Nylon Stretch Silicone oil N-230A,Quaternary ammonium salt blocking Amino Silicone oil C-90A,Amino-silicone oil 1500
In this issue of the Iranian Journal of Ophthalmology, Lashay and coauthors have presented a very meticulous and instructive article on Surgical Outcomes of Complicated Retinal Detachments using Heavy Silicone Oil as an Internal Tamponade (pages: 25-30). The authors have performed a complete pars plana vitrectomy, membrane peeling and injection of heavy ...
Q: I would like to know if Dr. Eppley has any experience in removing free silicone oil from the butt? I had silicone injections in my butt and would like it removed and replaced with my own fat.. A: Once silicone oil is injected into any tissue it can not be removed, from a practical standpoint, from the recipient site. The oil is dispersed throughout the tissues in many islands or droplets (really pools of oil) so it is not just one large collection which can be evacuated. It is not like an implant where it is in just one location as a congealed or formed mass. During buttock lifts I have run across injected silicone oil several times and it just runs out as you hit every subcutaneous pocket that it is in. The only way the silicone oil can be removed would be to completely cut off ones entire buttocks. Therefore, it is best left alone.. The good news is that the silicone oil is not in the deep muscle but in the fat or subcutaneous tissues under the skin. Buttock fat injections can still be ...
Long-term assessment of eyes in which silicone oil injection had been used in the treatment of retinal detachment with massive preretinal retraction was undertaken in 92 consecutive patients. While a high incidence of complications, particularly cataract, was confirmed, this study showed that they were probably caused not by any toxic effect of silicone oil but by obstruction of normal metabolic exchange at the silicone-tissue interface. The incidence of complications causing deterioration of vision or serious symptoms was not found to be high, and navigating vision was well preserved. ...
Purchase a copy of Amino Silicone Oil Sales Market Research Report at: http://www.absolutereports.com/purchase/10360486. Further in the Amino Silicone Oil Sales Market Industry Analysis report, the Amino Silicone Oil Sales Market is examined for price, cost and gross. These three points are analysed for types, companies and regions. In continuation with this data sale price is for various types, applications and region is also included. The Amino Silicone Oil Sales Market for major regions is given. Additionally, type wise and application wise consumption figures are also given.. Regions covered in the report:. • North America. • China. • Europe. • Japan. • India. • Southeast Asia. With the help of supply and consumption data, gap between these two is also explained.. Get Discount on Amino Silicone Oil Sales Market Research Report at: http://www.absolutereports.com/enquiry/request-discount/10360486. To provide information on competitive landscape, this report includes detailed ...
Aim: To assess the accuracy and signal quality of axial length measurements by partial coherence laser interferometry (PCI) for optical biometry in eyes with conventional silicone oil (SO) or heavy silicone oil (HSO) as endotamponade.. Methods: We included 26 eyes with SO endotamponade (SO, n = 15; HSO, n = 11) using a Zeiss IOLMaster for measurement of axial length the day before and at least 6 weeks after SO removal. We analysed the intra-individual deviation between both measurements and signal-to-noise ratio (SNR) as a marker for signal quality. We included 16 contralateral eyes without history of vitreoretinal surgery to act as the control group.. Results: The mean axial length was 24.76 (SD 2.07) mm (SO 24.63 (SD 2.12) mm, HSO 24.93 (SD 2.10) mm, control 24.95 (SD 2.61) mm) before and 24.75 (SD 1.96) mm after oil removal with a mean intra-individual deviation of 0.13 (SD 0.11) mm (SO 0.13 (SD 0.12) mm, HSO 0.13 (SD 0.09) mm, control 0.02 (SD 0.01) mm) while SNR at baseline was 5.7 (SD 3.5) ...
BACKGROUND Silicone oil tamponade has been suggested in the treatment of persistent macular hole, but visual outcome is often poor. We describe two patients who underwent reoperation for persistent macular hole using heavy silicone oil (HSO) tamponade. METHODS Two patients who underwent vitrectomy, removal of the posterior vitreous cortex, peeling of the internal limiting membrane, and long-acting gas tamponade had persistent macular hole 3 months after surgery. The patients underwent reoperation using an HSO (Oxane Hd, Bausch & Lomb) as internal tamponade. This tamponade did not require postoperative posturing and was removed after 3 months. Optical coherence tomography (OCT) was performed, and visual outcome was determined. RESULTS OCT images showed that the HSO bubble conformed well with the retinal surface in the foveal region. Closure of the macular hole was achieved in both patients. Visual acuity increased from 20/100 to 20/40 in Patient 1 and from 20/600 to 20/100 in Patient 2.
Silicone oils are primarily used as lubricants, thermic fluid oils or hydraulic fluids. They are excellent electrical insulators[2] and, unlike their carbon analogues, are non-flammable. Their temperature stability and good heat-transfer characteristics make them widely used in laboratories for heating baths ("oil baths") placed on top of hotplate stirrers, as well as in freeze-dryers as refrigerants. Silicone oil is also commonly used as the working fluid in dashpots, wet-type transformers, diffusion pumps and in oil-filled heaters. Aerospace use includes the external coolant loop and radiators of the International Space Station Zvezda module, which rejects heat in the vacuum of space.[3] The class of silicone oils known as cyclosiloxanes has many of the same properties as other non-cyclic siloxane liquids but also has a relatively high volatility, making it useful in a number of cosmetic products such as antiperspirant. Some silicone oils, such as simethicone, are potent anti-foaming agents ...
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Results: Extruding silicon oil as well as F6H8 through polycarbonate membranes with pore sizes of 100 nm into water resulted in the production of stable vesicles. Whereas F6H8-vesicles disappeared after 24h, silicon oil vesicles remained stable after that time. The mean vesicle diameter was similar (F6H8: 6.54±1.47 µm, silicon oil 1000s: 6.03±2.8 µm, silicon oil 5000s: 5.03±2.3 µm). The size distribution of the produced vesicles was different in F6H8-vesicles or silicon oil vesicles. Extruding F6H8 through a 100 nm membrane resulted in vesicle diameter from 1.25 to 7.25 µm. Silicon oil extrusion resulted in 1.75 to 16.76 µm or 1 to 12.79 µm diameter vesicles when using 1000s or 5000s oil, respectively. After incubation of isolated human mononuclear lymphocytes with F6H8-vesicles or silicon oil vesicles for 18 hours in different concentrations we detected only in a small number of F6H8-vesicle treated cells phagocytized vesicles and an even lower percentage of phagocytized vesicles in ...
Press Release issued Mar 7, 2017: Polydimethylsiloxane (PDMS) is a silicon-based organic polymer, which is commonly known as silicon oil. Silicon oil is a group of polymeric and monomeric compounds that constitutes of silicon-oxygen bonds named organosiloxane. Because of the viscous nature and water repellant characteristic, it is termed as silicon oil. Silicon oil is transparent, odorless, and thermally stable in nature. It also exhibits properties such as hydrophobicity, non-flammability, and physiological inertness. Silicon oil is used as a release agent, anti-foam agent, mechanical fluid, and lubricant among others. It is widely used in personal care applications, beauty care products, mechanical applications, and in a lot more. High molecular PDMS with amino alkyl copolymers are used to make hair conditioning products. Silicon oil is also used to make skin care products such as sunscreen creams, facial cleansers, and lip glosses & lipsticks due to its glossy, smooth, and hydrophobic nature. Owing
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Purpose: To evaluate visual outcomes and postoperative complication rates in eyes with Boston type 1 keratoprosthesis combined with pars plana vitrectomy and silicone oil insertion (KPro+PPV+SOI) as compared to eyes receiving Boston type 1 keratoprosthesis (KPro) alone.. Methods: Retrospective case control study of 24 eyes with Boston type 1 keratoprosthesis. Ten of these eyes had hypotony and/or retinal detachment in addition to corneal pathology, and thus received KPro implantation combined with pars plana vitrectomy and silicone oil insertion. Outcome measures included best-corrected visual acuity (BCVA) and rates of post-operative complications including endophthalmitis, KPro extrusion, retinal detachment, newly developed glaucoma and retroprosthetic membrane (RPM) recorded at 1, 3, 6 and 12 months follow-up visits. Results: In the KPro+PPV+SOI group, no eyes had developed endophthalmitis by the 12 month follow-up visit. On the other hand, 5 eyes in the uncombined KPro group developed ...
Iota-201 dimethicone(methyl silicone oil), dimethicone chemical name: poly two methyl siloxane, molecular formula is: (CH3) 3SiO [(CH3) 2SiO] n-Si (CH3) 3 The product is a colorless and transparent new polymer materials, a variety of different...
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An unpurified silicone oil is treated with fibrous activated carbon, yielding a silicone oil of high purity, which will find use in the electric and electronic industry and as cosmetics.
In the endophthalmitis group, patients ranged from 5 to 85 years of age and showed varied etiologies. Retinal detachment was present in 5 eyes, which received silicone oil tamponade. Mean preoperative logMAR visual acuity (VA) was 2.29 ± 0.45, which improved to 1.10 ± 0.72 at 3 months postoperatively (p,0.001). Trauma cases ranged from 21 to 75 years of age. Retinal detachment was present in 9 out of 10 eyes, all of which received silicone oil tamponade. Preoperative logMAR VA was 2.26 ± 0.71, which improved to 1.33 ± 0.50 postoperatively (p,0.001). At 3 months postsurgery, the retina was attached in all eyes in both groups.. ...
Objective To study the effects of zedoary turmeric oil injection on the proliferation and morphological changes in SKOV3 cell cultured in vitro for human ovarian cancer.Methods MTT method was used to observe the effects of zedoary turmeric oil injection on the proliferation of human ovarian cancer SKOV3 cell.Optical microscopy and transmission electron microscopy were adopted to observe the morphological changes in the cell.Results In the concentration of 120 to 960 μg·mL-1 and the time scope of 24 h,48 h and 72 h,zedoary turmeric oil injection inhibited the proliferation of SKOV3 cell cultured in vitro.Its intensity was enhanced with the up-regulation of the time and the concentration of drug.The time-dose dependence presented.Compared with control group,the difference was significant statistically(P0.05或P0.01).By optical microscopy and transmission electron microscopy,it was observed that the cell in zedoary turmeric oil injection group changed obviously in morphology,resulting in cell necrosis
Melanoma arising from the choroid and ciliary body is the most common primary intraocular cancer. The Collaborative Ocular Melanoma Study (COMS) randomized clinical trial of I-125 brachytherapy versus enucleation for medium-sized choroidal melanoma (2.5-10.0 mm in thickness and ≤ 16 mm in diameter) showed that, for patients who met the eligibility criteria, there was no statistically significant difference in all-cause mortality between I-125 brachytherapy and enucleation 5, 10, and 12 years following treatment. The COMS trial supported the use of globe-conserving I-125 brachytherapy. Following brachytherapy, however, visual acuity in the treated eye generally declined at a rate of approximately 2 lines of visual acuity per year and nearly 45% of patients lost ambulatory vision (≤20/200) in the treated eye by 3 years.. Adverse effects of plaque brachytherapy include cataract, radiation-associated proliferative retinopathy, maculopathy and papillopathy. Radiation maculopathy, which may result ...
Efficacy of 3-year FCVB with SO implantation in three cases. (A-C) Fundus and OCT images of each patient. All three patients had severe RD at baseline. The fundus was visible and clear in all three cases, and there were no obvious differences between the images at the 2- and 3-year follow-ups, indicating that the FCVB-supported fundus was stable during the 3-year follow-up. OCT showed that the contact between the FCVB and retina was smooth, although the retinal thickness was decreased and the retinal structure was altered to some extent compared to the retina of the control eyes. The arrow indicates the 60-mm thick capsular membrane. (D) Graded scores of visual acuity at each time point after the FCVB implantation. Visual acuity was graded according to the following system: NLP as 0, LP as 1, HM as 2, FC as 3, ≥0.05 as 4, and ≥0.1 as 5. The scores showed slight fluctuations, but the visual acuity of the three patients slightly increased compared to those at baseline. (E) IOP values and IOP ...
1. Silicone oil is a colorless, odorless, non-toxic and non-irritating products, chemical stability, heat resistance, cold resistance, water repelled, lubricity, high refraction, storage stability and compatibility with commonly used in many filed.. 2. Pure silicone fluids are clear, colorless, and odorless linear Polydimethylsiloxane fluids / PDMS. They are characterized by their low pour points, high flash points, wide service temperature range, low viscosity change at temperature (low VTC), excellent lubricity, high dielectric strength, and inertness to virtually all substrates. ...
Ophthalmic Surgery, Lasers and Imaging Retina | BACKGROUND AND OBJECTIVE:To determine factors causing inflammation after intravitreal aflibercept injections.PATIENTS AND METHODS:This case-control study included aflibercept-treated eyes with inflammation post-injection and aflibercept-treated control eyes. Medical records were analyzed to identify contributing factors. Biophysical tests were performed to characterize properties of particle
Analysis for Insulating Degradation Characteristics with Aging Time for Oil-filled Transformers and/or Correlation between using Linear Regression Method Oil-filled transformer;Tensile Strength;HPLC;Correlation;Linear Regression; General transformers life is known as paper insulation life. If a transformer is degraded by these aging factors, it is known that electrical, mechanical and chemical characteristics for transformers oil-paper are changed. When the kraft paper is aged, the cellulose polymer chains break down into shorter lengths. It causes decrease in both tensile strength and degree of polymerization of paper insulation. The paper breakdown is accompanied by an increase in the content of furanic compounds within the dielectric liquid. In this paper it is aimed at analysis on correlation between aging characteristics for insulating diagnosis of thermally aged paper. For investigating the accelerated aging process of oil-paper samples accelerating aging cell was manufactured for estimating
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Veniard Silicone Oil Spray. Works great just give silicone a little spray onto your dry fly, This top quality spray will keep your flies afloat.Its A top quality dry fly spray.. ...
In August 2009, the patient underwent penetrating keratoplasty with implantation of a Boston type II keratoprosthesis (through the eyelid) for extensive corneal and conjunctival cicatrization. Several months later, a fine retroprosthetic membrane had developed and was treated with YAG laser. The patient was then stable until September 2011, when he experienced acutely decreased vision and was found to have vitritis. He underwent a tap and inject procedure with antibiotics and an antifungal agent placed into the eye. The vision improved but a leak around the prosthetic device was identified, prompting a prosthetic replacement. The intraocular pressure was elevated post-operatively, and the patient ultimately underwent an Ahmed valve placement. After the valve was in place, the pressure remained well-controlled, but in January 2012, the patient developed a macula-off retinal detachment for which 1,000 cSt of silicone oil was placed during retinal detachment repair. Subsequently, a new ...
Case Report DOI:10.14744/bej.2019.79553 Beyoglu Eye J 2019; 4(2): 126-129 Manual Intracorneal Silicone Oil Insertion for Symptomatic Treatment of Bullous Keratopathy in a Patient with Corneal Scarring Selim Genc, Semih Cakmak, Yusuf Yildirim Department of Ophthalmology, University of Health Sciences, Beyoglu Eye Training and Research Hospital, Istanbul, Turkey Abstract Bullous keratopathy is a result of endothelial loss and the failure of the remaining corneal epithelium to pump leaking water molecules away from the corneal tissue, causing overhydration. In eyes with good visual potential, keratoplasty is the primary treatment. There are also several other approaches to provide temporary improvement until a permanent solution with keratoplasty can be achieved. These alternatives include hypertonic topical sodium chloride (5%) drops, bandage contact lenses, anterior stromal puncture, phototherapeutic keratectomy, amniotic membrane transplantation, conjunctival flaps, and collagen crosslinking. ...
For super-precision cylindrical roller bearings with a bore diameter d , 80 mm, SKF recommends the oil injection method. With the oil injection method, oil under high pressure is injected via ducts and distribution grooves between the bearing and bearing seat to form an oil film (fig. 1). This oil film separates the mating surfaces and considerably reduces the friction between them and virtually eliminates the risk of damaging the bearing or the spindle shaft. This method is typically used when mounting or dismounting bearings directly on tapered shaft seats. Where bearings with a cylindrical bore are concerned, the oil injection method can only be used for dismounting ...
For super-precision cylindrical roller bearings with a bore diameter d , 80 mm, SKF recommends the oil injection method. With the oil injection method, oil under high pressure is injected via ducts and distribution grooves between the bearing and bearing seat to form an oil film (fig. 1). This oil film separates the mating surfaces and considerably reduces the friction between them and virtually eliminates the risk of damaging the bearing or the spindle shaft. This method is typically used when mounting or dismounting bearings directly on tapered shaft seats. Where bearings with a cylindrical bore are concerned, the oil injection method can only be used for dismounting ...
Usually, kinematic viscosity and density of silicone oils are specified at 25 °C. Depending on their intended use, viscosity and density are often stated at the temperatures at which the material is used, e.g. at 40 °C or, for brake fluid, even at -40 °C. Furthermore, the viscosity index and for some applications also the refractive index at 20 °C or 25 °C (especially for pharma) are of interest. Some manufacturers also state Saybolt viscosity. ...
In Vivo Analysis of the Potency of Silicone Oil Microdroplets as Immunological Adjuvants in Protein Formulations Journal Article ...
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LONDON, May 9, 2016 /PRNewswire/ -- Silicone Oil Market by End-Use Industry, by Application and by Region - Global Forecast to 2020.
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This specification covers a fluorosilicone (FVMQ) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes.. These products have been used typically for parts requiring resistance to jet fuel and lubricating oils, but usage is not limited to such applications. Generally, products are usable over a temperature range of -76 to +302 °F (-60 to + 150 °C ); each application, however, has to be considered individually.. ...