Hydration and Dispersion: Two Key Steps in Six AestheFill Reconstitution Methods.

IF 2 3区 医学 Q2 SURGERY
Jui-Yu Lin, Chuan-Yuan Lin
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引用次数: 0

Abstract

AestheFill, a biostimulator containing poly-D,L-lactic acid (PDLLA) microspheres and carboxymethyl cellulose (CMC), is supplied as lyophilized powders in vials. It must be reconstituted with sterile water for injection into homogeneous suspensions before administration. In AestheFill, PDLLA microspheres do not dissolve in water, while CMC acts as a suspender for the PDLLA microspheres. However, CMC tends to form lumps when introduced to water. Agglomeration technology is utilized to prevent the formation of CMC lumps during reconstitution. This is why the lyophilized powders of AestheFill are agglomerated into granules. Reconstituting these granules involves several steps: wetting, sinking, disintegration, and dissolution. In this article, we summarize six different reconstitution methods for AestheFill. Additionally, our analysis identifies two key, time-consuming processes: the hydration of lyophilized granules and the dispersion of CMC and PDLLA microparticles.Level of Evidence V This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

AestheFill 是一种生物刺激剂,含有聚-D,L-乳酸(PDLLA)微球和羧甲基纤维素(CMC),以冻干粉装瓶供应。给药前必须用无菌注射用水重新配制成均匀的悬浮液。在 AestheFill 中,PDLLA 微球不溶于水,而 CMC 可作为 PDLLA 微球的悬浮剂。然而,CMC 在水中容易结块。为防止在复溶过程中形成 CMC 硬块,我们采用了聚结技术。这就是为什么 AestheFill 的冻干粉会凝结成颗粒的原因。重构这些颗粒涉及几个步骤:润湿、下沉、崩解和溶解。在本文中,我们总结了六种不同的 AestheFill 重构方法。此外,我们的分析还确定了两个耗时的关键步骤:冻干颗粒的水合以及 CMC 和 PDLLA 微颗粒的分散。有关这些循证医学等级的完整说明,请参阅目录或在线作者须知 www.springer.com/00266 。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
4.40
自引率
25.00%
发文量
479
审稿时长
3 months
期刊介绍: Aesthetic Plastic Surgery is a publication of the International Society of Aesthetic Plastic Surgery and the official journal of the European Association of Societies of Aesthetic Plastic Surgery (EASAPS), Società Italiana di Chirurgia Plastica Ricostruttiva ed Estetica (SICPRE), Vereinigung der Deutschen Aesthetisch Plastischen Chirurgen (VDAPC), the Romanian Aesthetic Surgery Society (RASS), Asociación Española de Cirugía Estética Plástica (AECEP), La Sociedad Argentina de Cirugía Plástica, Estética y Reparadora (SACPER), the Rhinoplasty Society of Europe (RSE), the Iranian Society of Plastic and Aesthetic Surgeons (ISPAS), the Singapore Association of Plastic Surgeons (SAPS), the Australasian Society of Aesthetic Plastic Surgeons (ASAPS), the Egyptian Society of Plastic and Reconstructive Surgeons (ESPRS), and the Sociedad Chilena de Cirugía Plástica, Reconstructiva y Estética (SCCP). Aesthetic Plastic Surgery provides a forum for original articles advancing the art of aesthetic plastic surgery. Many describe surgical craftsmanship; others deal with complications in surgical procedures and methods by which to treat or avoid them. Coverage includes "second thoughts" on established techniques, which might be abandoned, modified, or improved. Also included are case histories; improvements in surgical instruments, pharmaceuticals, and operating room equipment; and discussions of problems such as the role of psychosocial factors in the doctor-patient and the patient-public interrelationships. Aesthetic Plastic Surgery is covered in Current Contents/Clinical Medicine, SciSearch, Research Alert, Index Medicus-Medline, and Excerpta Medica/Embase.
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