scholarly journals Microchip Electrophoresis

Encyclopedia ◽  
2020 ◽  
Vol 1 (1) ◽  
pp. 30-41
Author(s):  
Sammer-ul Hassan
Keyword(s):  
Capillary Electrophoresis ◽  
Nucleic Acids ◽  
Microchip Electrophoresis ◽  
Routine Method ◽  
Electrophoretic Separations ◽  
The World ◽  
Common Technique ◽  
Dna Size

Microchip electrophoresis (MCE) is a miniaturized form of capillary electrophoresis. Electrophoresis is a common technique to separate macromolecules such as nucleic acids (DNA, RNA) and proteins. This technique has become a routine method for DNA size fragmenting and separating protein mixtures in most laboratories around the world. The application of higher voltages in MCE achieves faster and efficient electrophoretic separations.

Sulphonamide: Distribution, Toxicology, Environmental Characteristics, and Analysis - A Review

2020 ◽  
Vol 16 ◽  
Author(s):  
Kirubanandam Grace Pavithra ◽  
Vasudevan Jaikumar ◽  
Ponnusamy Senthil Kumar ◽  
PanneerSelvam SundarRajan
Keyword(s):  
Aqueous Solution ◽  
High Performance Liquid Chromatography ◽  
Capillary Electrophoresis ◽  
Liquid Chromatography ◽  
High Performance ◽  
Uv Spectroscopy ◽  
Relevant Information ◽  
Fluorometric Determination ◽  
Distinctive Features ◽  
The World

Background: Many antibiotics were widely used as medication based on their distinctive features. Among them, sulphonamides were commonly used, however their recalcitrant nature makes them difficult to dispose. Hence, their interaction with environment and analytic technique requires considerable attention globally. Objective: Therefore, this review aimed to provide detailed discussion about environmental as well as human health behaviour and analytic techniques corresponding to sulphonamides. Methods: Various results and discussion were extracted from technical journals and books published by different researchers from all over the world. The cited bibliographic references were intentionally investigated in order to extract relevant information related to proposed work. Results: In this review, the determination techniques such as UV-spectroscopy, Enthalpimetry, Immunosensor, Chromatography, Chemiluminescence, Photoinduced fluorometric determination, Capillary electrophoresis for sulphonamide determination were discussed in detail. Among them, High performance liquid chromatography (HPLC) and UV-spectroscopy was effective and extensively used for screening sulphonamide. Conclusion: Knowing the quantification and behaviour of sulphonamide in aqueous solution is mandatory to opt the suitable wastewater treatment required. Hence, choosing appropriate high precision and feasible screening techniques is necessary, which can be attained with this review.

Improved separation of nucleic acids with analyte velocity modulation capillary electrophoresis

1991 ◽  
Vol 63 (23) ◽  
pp. 2795-2797 ◽  
Author(s):  
Tshenge. Demana ◽  
Maureen. Lanan ◽  
Michael D. Morris
Keyword(s):  
Capillary Electrophoresis ◽  
Nucleic Acids ◽  
Velocity Modulation

Tadeusz Krwawicz, MD: The inventor of cryosurgery in ophthalmology

2019 ◽  
Vol 29 (3) ◽  
pp. 348-356
Author(s):  
Andrzej Grzybowski ◽  
Piotr Kanclerz
Keyword(s):  
Refractive Surgery ◽  
Corneal Stroma ◽  
Cataract Extraction ◽  
Ocular Tissue ◽  
Corneal Curvature ◽  
Routine Method ◽  
The World ◽  
Substantial Progress ◽  
Corneal Refractive Surgery ◽  
Plastic Disk

Tadeusz Krwawicz (1910–1988) pioneered the use of cryosurgery in, as ophthalmology. The idea arose in 1959 while experimenting because on lyophilization to store corneas and lenses for transplantation it was difficult to remove the lens without damage the capsule was usually torn. Subsequent experiments on rabbits revealed that touching the lens with a wire cooled to 203°K (–70°C) resulted in firm attachment of the lens capsule and subcapsular masses. A cryoextractor was developed and employed for clinical use in cataract extraction, likewise in intumescent cataracts and lens subluxation. Cataract surgery utilizing cryoextraction led to substantial progress to ophthalmology by reducing the number of complications, particularly capsule rupture, and resulted in achieving better outcome compared to other methods. This surgery soon and for almost 20 years became a routine method used all around the world in cataract removal. Simultaneously, Krwawicz developed techniques for corneal refractive surgery—partial lamellar removal of the corneal stroma and temporary interlaminar introduction of a plastic disk in order to change the corneal curvature. Krwawicz presented other ophthalmic interests—his research concerned immunology, histology, histochemistry, biochemistry of ocular tissue, and mainly corneal and experimental surgery with a particular focus on the pathology of the cornea.

scholarly journals High-sensitive analysis by capillary electrophoresis and microchip electrophoresis using on-line preconcentration methods

2003 ◽  
Vol 52 (12) ◽  
pp. 1069-1079 ◽  
Author(s):  
Takeshi HIROKAWA ◽  
Hikaru OKAMOTO ◽  
Zhongqi XU ◽  
Natsuki IKUTA
Keyword(s):  
Capillary Electrophoresis ◽  
Microchip Electrophoresis ◽  
Sensitive Analysis ◽  
On Line
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