نتایج جستجو برای: exfoliation

تعداد نتایج: 2874  

2016
Weijie Ye Xiaoyun Li Hongli Zhu Xiaoying Wang Suqing Wang Haihui Wang Runcang Sun

Schematic of CG preparation via direct liquid-phase exfoliation and applications as lithium ion battery anode and chemical reaction trigger. a r t i c l e i n f o

Journal: :Chemical communications 2010
Guodong Du Zaiping Guo Shiquan Wang Rong Zeng Zhixin Chen Huakun Liu

Restacked MoS(2) with enlarged c lattice parameter and surface area was prepared by exfoliation and restacking process, exhibiting high reversible lithium storage capacity and superior rate capability as anode material for lithium ion batteries.

Journal: :Arquivos brasileiros de oftalmologia 2008
Eduardo Ferrari Marback Barbra de Melo Rolemberg Haylton Gonçalves Silva Filho Rita de Cássia Aquino Araújo Marcelo Siqueira de Freitas

We report two cases of true capsular exfoliation occurring in elderly patients with no known history of prolonged heat exposure or intraocular inflammation. The biomicroscopic aspects, histopathologic findings and possible surgical implications are discussed.

Journal: :Chemical communications 2009
Albert Dato Zonghoon Lee Ki-Joon Jeon Rolf Erni Velimir Radmilovic Thomas J Richardson Michael Frenklach

We report that the substrate-free gas-phase graphene synthesis method produces clean and highly ordered graphene sheets that are similar in quality to the graphene obtained through the mechanical exfoliation of highly oriented pyrolytic graphite.

Journal: :Advanced materials 2018
Robert C Sinclair James L Suter Peter V Coveney

Graphite's lubricating properties due to the "weak" interactions between individual layers have long been known. However, these interactions are not weak enough to allow graphite to readily exfoliate into graphene on a large scale. Separating graphite layers down to a single sheet is an intense area of research as scientists attempt to utilize graphene's superlative properties. The exfoliation ...

Journal: :Nanotechnology 2013
Kwanghyun Yoo Yusuke Takei Sungjin Kim Shohei Chiashi Shigeo Maruyama Kiyoshi Matsumoto Isao Shimoyama

We firstly introduce a facile method for the site-specific direct physical exfoliation of few-layer graphene sheets from cheap and easily enlargeable graphite grown on a Ni foil using an optimized polydimethylsiloxane (PDMS) stamp. By decreasing the PDMS cross-linking time, the PDMS elasticity is reduced to ∼52 kPa, similar to that of a typical gel. As a result of this process, the PDMS becomes...

Journal: :Investigative ophthalmology 1965
N ASHTON M SHAKIB R COLLYER R BLACH

Considerable controversy has arisen as to the nature and origin of the blue-gray flecks seen in the anterior segment of the eye in so-called pseudo-exfoliation of the lens capsule. An electron microscopic study has been carried out in an attempt to clarify this problem and Part I of this work deals with the findings in the lens and lens capsule. The filamentous nature of the deposit is confirme...

Journal: :ACS nano 2011
Seung Yol Jeong Sung Hun Kim Joong Tark Han Hee Jin Jeong Sunhye Yang Geon-Woong Lee

In this work, we produced large-area graphene oxide (GO) sheets with fewer defects on the basal plane by application of shear stress in solution to obtain high-quality reduced graphene oxide (RGO) sheets without the need for post-annealing processes. This is described as rheologically derived RGO. The large-area GO sheets were generated using a homogenizer in aqueous solution, which induced sli...

2016
Arun K. Mishra Pragya Yadav Amrita Mishra

The symptoms of Staphylococcal scalded skin syndrome (SSSS) include blistering of skin on superficial layers due to the exfoliative toxins released from Staphylococcus aureus. After the acute exfoliation of skin surface, erythematous cellulitis occurs. The SSSS may be confined to few blisters localized to the infection site and spread to severe exfoliation affecting complete body. The specific ...

2009
Evangelia E. Tsironi Maria Pefkianaki Aspasia Tsezou Maria G. Kotoula Efthimios Dardiotis Pavlina Almpanidou Afroditi A. Papathanasiou Paraskevi Rodopoulou Dimitrios Z. Chatzoulis Georgios M. Hadjigeorgiou

PURPOSE To investigate possible genetic associations of matrix metalloproteinase-1 (MMP1) and MMP3 gene polymorphisms with exfoliation syndrome (XFS) with (XFS/+G) and without (XFS/-G) glaucoma in a cohort of Greek patients. METHODS A total of 182 unrelated Greek patients with XFS, including 92 patients with XFS/+G, and 214 unrelated age- and gender-matched controls were enrolled in the study...

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