Polarographic behaviour of copper(II), nickel(II), Tellurium(IV) and uranium(VI) in glycolic acid solution

This study highlighted the formation mechanism of a nanoporous alumina/graphene composite film observed by Al anodization in glycolic acid solution under extremely high current densities.

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Preparation of Bioactive Poly(Lactic-Co-Glycolic)Acid and Silica Gel Fibers Mixed Non-Woven Fabric

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.361-363.519 ◽

2007 ◽

Vol 361-363 ◽

pp. 519-522 ◽

Cited By ~ 1

Author(s):

Yang Jo Seol ◽

In Ae Kim ◽

Yong Keun Lee ◽

Bum Soon Lim ◽

Sang Hoon Rhee

Keyword(s):

Electric Field ◽

Acid Solution ◽

Silica Gel ◽

Bone Grafting ◽

Glycolic Acid ◽

Salt Water ◽

High Surface ◽

Volume Ratio ◽

Woven Fabric ◽

High Porosity

Poly(lactic-co-glycolic)acid and silica gel fibers mixed non-woven fabric was made by electro-spinning method for the potential application as a bone grafting material. The silica gel, the source material for electro-spinning, was prepared by the hydrolysis of tetraethyl orthosilicate in the presence of calcium salt, water, hydrochloric acid and ethanol. Poly(lactic-co-glycolic)acid solution was prepared by dissolving it in the hexafluoroisopropanol. Then, they were transferred to two separate syringes which were connected to the high voltage supply generating a high electric field between the spinneret and the ground collecting drum. The silica gel containing calcium and poly(lactic-co-glycolic)acid solution were spun together under the electric field of 2 ㎸/㎝. The FE-SEM observations showed that the silica gel and poly(lactic-co-glycolic)acid fibers were mixed together completely and its handling property was much improved compared to that of the non-woven silica gel fabric. After soaking in the SBF for 1 week, low crystalline apatite crystals were also observed to occur on the silica fiber surfaces first and then they were also observed to occur on the poly(lactic-co-glycolic)acid fiber surfaces. From the results, it can be concluded that the poly(lactic-co-glycolic)acid and silica gel fibers mixed non-woven fabric made by electro-spinning method has a bioactivity. It means it has a potential to be used as a bone grafting material because of its apatite-forming ability, high surface area to volume ratio and high porosity.

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Polarographic behaviour of selenium(IV) in glycolic acid

Fresenius Zeitschrift für Analytische Chemie ◽

10.1007/bf00445959 ◽

1974 ◽

Vol 270 (3) ◽

pp. 205-205 ◽

Cited By ~ 1

Author(s):

G. S. Deshmukh ◽

V. N. Choudhury

Keyword(s):

Glycolic Acid ◽

Polarographic Behaviour

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Study of buffered 50% glycolic acid and 0.5% salicylic acid solution in acne vulgaris

The Egyptian Journal of Hospital Medicine ◽

10.21608/ejhm.2021.194052 ◽

2021 ◽

Vol 85 (1) ◽

pp. 3038-3043

Author(s):

Rewan Hossam Abdel-Maged Mohamed ◽

Mohamed Hamed Khater ◽

Elsayed Mohamed Galal Elsayed Khater

Keyword(s):

Salicylic Acid ◽

Acid Solution ◽

Glycolic Acid ◽

Acne Vulgaris

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Formation of ordered microporous films with water as templates from poly(D,L-lactic-co-glycolic acid) solution

Journal of Applied Polymer Science ◽

10.1002/app.12836 ◽

2003 ◽

Vol 90 (7) ◽

pp. 1846-1850 ◽

Cited By ~ 48

Author(s):

Xiaoyong Zhao ◽

Qing Cai ◽

Guixin Shi ◽

Yanqiao Shi ◽

Guanwen Chen

Keyword(s):

Acid Solution ◽

Glycolic Acid ◽

Microporous Films

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Extended Preservation of Iron for Transmission

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100061781 ◽

1967 ◽

Vol 25 ◽

pp. 354-355

Author(s):

E. P. Abrahamson II ◽

M. W. Dumais

Keyword(s):

Acid Solution ◽

Perchloric Acid ◽

Microscopy Study ◽

Perchloric Acid Solution ◽

Transmission Microscopy ◽

Iron Base ◽

Cold Stage

In a transmission microscopy study of iron and dilute iron base alloys, it was determined that it is possible to preserve specimens for extended periods of time. Our specimens were prepunched from 5 to 8 mil sheet to microscope size and annealed for several hours at 700°C. They were then thinned in a glacial acetic-12 percent perchloric acid solution using 10 volts and 20 milliamperes, at a temperature of 8 to 14°C.It was noted that by the use of a cold stage, the same specimen can be observed for periods up to one week without excess contamination. When removal of the specimen from the column becomes necessary, it was observed that a specimen may be kept for later observation in 1,2 dichloroethene or methanol for periods in excess of two weeks.

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Deposited emulsion particles in the pores of aluminum oxide film

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100109392 ◽

1978 ◽

Vol 36 (1) ◽

pp. 450-451

Author(s):

Michio Ashida ◽

Yasukiyo Ueda

Keyword(s):

Oxide Film ◽

Acid Solution ◽

Barrier Layer ◽

Colloidal Particles ◽

Oxalic Acid Solution ◽

Anodic Oxide ◽

Anodic Oxide Film ◽

Carbon Replica ◽

Sectioning Method ◽

Thin Sectioning

An anodic oxide film is formed on aluminum in an acidic elecrolyte during anodizing. The structure of the oxide film was observed directly by carbon replica method(l) and ultra-thin sectioning method(2). The oxide film consists of barrier layer and porous layer constructed with fine hexagonal cellular structure. The diameter of micro pores and the thickness of barrier layer depend on the applying voltage and electrolyte. Because the dimension of the pore corresponds to that of colloidal particles, many metals deposit in the pores. When the oxide film is treated as anode in emulsion of polyelectrolyte, the emulsion particles migrate onto the film and deposit on it. We investigated the behavior of the emulsion particles during electrodeposition.Aluminum foils (99.3%) were anodized in either 0.25M oxalic acid solution at 30°C or 3M sulfuric acid solution at 20°C. After washing with distilled water, the oxide films used as anode were coated with emulsion particles by applying voltage of 200V and then they were cured at 190°C for 30 minutes.

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