نتایج جستجو برای: rejuvenation heat treatment

تعداد نتایج: 1576248  

2017
Thais Cristina Ferraz de Oliveira Sheyla de Fatima Soares Rocha Daniel Gontijo Ramos Camila Gontijo Ramos Michelle Vanessa Dos Anjos Carvalho Mariana Gontijo Ramos

Skin aging is a gradual process that leads to wrinkle formation, laxity, and overall changes in skin appearance. In recent years, the demands to noninvasive treatments for facial rejuvenation increased, along with a variety of technologies and devices, such as radiofrequency. The present study aimed to evaluate the clinical effects of a multipolar radiofrequency and pulsed electromagnetic field...

2014
Hyuk Kim Kui Young Park Sun Young Choi Hyun-Ju Koh Sun-Young Park Won-Seok Park Il-Hong Bae Beom Joon Kim

BACKGROUND Recent advances in hyaluronic acid (HA) fillers and radiofrequency (RF) devices have been made in the context of skin rejuvenation and cosmetic surgery. Moreover, combination regimens with both techniques are currently being developed. OBJECTIVE The present study was designed to examine the clinical and histologic effects of a new needle that incorporates an RF device for HA inject...

2007
Artur Andrzejak Luis Silva

1. Introduction The widespread phenomenon of software (image) aging is known to cause performance degradation, transient failures or even crashes of applications. This undesired behavior is especially visible in long-running software such as web and application servers and enterprise always-on applications-software deployed frequently in Grid and utility computing environments. The management c...

2016
Jie Zhu Xi Ji Min Li Xiao-e Chen Juan Liu Jia-an Zhang Dan Luo Bing-rong Zhou

OBJECTIVE We evaluated synergistic efficacy and safety of combined topical application of Botulinum Toxin Type A (BTX-A) with fractional CO2 laser for facial rejuvenation. METHODS Twenty female subjects were included for this split-face comparative study. One side of each subject's cheek was treated with fractional CO2 plus saline solution, and the other side was treated with fractional CO2 l...

2015
Chunhui Guo Hao Wu Xiayu Hua Shangping Ren Jerzy Nogiec

In this paper, we use software rejuvenation as a preventive and proactive fault-tolerance technique to maximize the level of reliability for continuous and safety critical systems. We take both transient faults caused by software aging effects and network transmission faults into consideration and mathematically analyze the optimal software rejuvenation period that maximizes system’s reliabilit...

2015
Byung-Soo CHANG Yun-Jung CHOI Jin-Hoi KIM

Different interventions are being tested for restoration of the youthfulness of adult mouse-derived fibroblasts. However, fundamental issues, such as the decline of adult mouse-derived fibroblast activity with age, remain unresolved. Therefore, in this study, we examined whether treatment with collagen complexes has beneficial effects on the rejuvenation or reprogramming of adult mouse-derived ...

Mohammadi Zahrani, M., Shamanian, M.,

The fine grain structure of friction-stir welded aluminum alloys is unstable during post weld heat treatment and some grains abnormally grown. In this study, the sequence of abnormal grain growth during T6 heat treatment of Al-7075 friction-stir weld and its effect on mechanical properties of the weld was studied. The results showed that heat treatment in 510 ˚C resulted in drastic grain growth...

Journal: :journal of lasers in medical sciences 0
hamideh moravvej skin research center, department of dermatology, shahid beheshti university of medical sciences,tehran, iran. behrooz barikbin laser application in medical sciences research center, shahid beheshti university of medical sciences, tehran, iran seyed alireza ghavam laser application in medical sciences research center, shahid beheshti university of medical sciences, tehran, iran soheil karimi medical faculty, shahid beheshti university of medical sciences, tehran, iran

the desire to achieve cosmetic rejuvenation and reduce effects of aging and photodamage urged scientists to develop effectual techniques which have minimal side effects and impressive long-term efficacy. traditional ablative resurfacing laser therapy has been used for several years;however, it has harmful side effects on the patient’s skin such as dyspigmentation, persistent erythema, infection...

Journal: :Aesthetic surgery journal 2005
Lawrence S Bass

According to the author, Fraxel laser treatment produces the resurfacing effects of tissue removal, treats pigmentary changes, improves rhytids, and stimulates tissue remodeling. Compared with other classical approaches, it has the advantages of no recovery time, no open wound, few nonresponders, few complications, and the ability to be used in all skin types. Data confirm that improvement with...

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