Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Åke Öhrlund"'
Publikováno v:
Journal of cosmetic dermatologyReferences. 20(5)
BACKGROUND Injections of hyaluronic acid (HA) for tissue augmentation are one of the most common aesthetic treatments performed worldwide. However, few studies have compared the safety and efficacy of small- and large-particle HA (SP-HA; LP-HA). AIM
Autor:
Katarina Edsman, Åke Öhrlund
Publikováno v:
Dermatologic Surgery
BACKGROUND There are several published articles on characterization of fillers, describing methods for both chemical and physicochemical characterization. Recently a lot of focus has been on the development of methods for measuring cohesion of hyalur
Autor:
Åke Öhrlund
Publikováno v:
Journal of Cosmetics, Dermatological Sciences and Applications. :47-54
Background: The majority of studies published on rheology of hyaluronic acid (HA) fillers have focused on results from frequency sweeps within the linear viscoelastic region (LVR), i.e. at nearly static conditions. To study the properties and behavio
Publikováno v:
Dermatologic Surgery. 41:S365-S372
BACKGROUND Cohesion is described as the force between particles of the same substance that acts to unite them. Contrary to rheology, there are currently no ready-made instruments designed to measure cohesion, or methods which could be easily adapted
Publikováno v:
Journal of drugs in dermatology : JDD. 16(9)
With the number of available dermal fillers increasing, so is the demand for scientifically based comparisons, often with rheological properties in focus. Since analytical results are always influenced by instrument settings, consensus on settings is
Publikováno v:
Dermatologic Surgery. 38:1170-1179
Background Most of the hyaluronic acid (HA)-based dermal fillers currently on the market are chemically modified with cross-linkers to improve the mechanical properties and duration in vivo. Objective To investigate differences in the properties of d
Autor:
Katarina Edsman, J. Åke Öhrlund
Publikováno v:
Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]. 41
Background The terms "biphasic" and "monophasic" have been used frequently as a means of differentiating hyaluronic acid (HA) fillers. This type of categorization is based on misinterpretations of the term "phase" and provides no help to the practiti
Publikováno v:
Journal of Applied Polymer Science. 86:2618-2625
A radiofrequency air plasma has been used to incorporate new functionalities at the surface of cycloolefin polymers (Zeonex® and Topas®), polymethyl methacrylate (PMMA), styrene–acrylonitrile copolymer (SAN), and polystyrene (PS). The main goals
Publikováno v:
Surface and Interface Analysis. 25:105-110
Stationary phases for solid-phase extraction (SPE) were analysed by ESCA and SIMS in combination with multivariate analysis (MVA). The SPEs were endcapped and non-endcapped octadodecyl-bonded silica spheres of various carbon loadings (CL). The SIMS s
Publikováno v:
Journal of chromatography. A. 917(1-2)
A sensitive and selective method has been developed for the determination of heparin on heparin coated PMMA, poly(methyl methacrylate), intraocular lenses. Heparin was hydrolysed to glucosamine and glucuronic acid, and the content of glucosamine was