Efficacy of 2940 nm Multifractional Er: YAG Lasers in Self‐inflicted Razor Blade Incision Scars

2021 ◽  
Author(s):  
Hulya Cenk ◽  
Gulbahar Sarac
Keyword(s):  
Razor Blade ◽  
Yag Lasers

Freeze substitution fixation of fungal reproductive structures and spores

1989 ◽  
Vol 47 ◽  
pp. 990-991
Author(s):  
C. W. Mims ◽  
E. A. Richardson
Keyword(s):  
Plant Pathogens ◽  
Freeze Substitution ◽  
Uranyl Acetate ◽  
Chemical Fixation ◽  
Dialysis Membrane ◽  
Razor Blade ◽  
Thin Sections ◽  
Reproductive Structures ◽  
Dry Down ◽  
Diamond Knife

The advantages of freeze substitution fixation over conventional chemical fixation for preservation of ultrastructural details in fungi have been discussed by various authors. As most ascomycetes, basidiomycetes and deuteromycetes do not fix well using conventional chemical fixation protocols, freeze substitution has attracted the attention of many individuals interested in fungal ultrastructure. Thus far most workers using this technique on fungi have concentrated on thin walled somatic hyphae. However, in our laboratory we have experimented with the use of freeze substitution on a variety of fungal reproductive structures and spores with promising results.Here we present data on freeze substituted samples of sporangia of the zygomycete Umbellopsis vinacea, basidia of Exobasidium camelliae var. gracilis, developing teliospores of the smut Sporisorium sorghi, germinating teliospores of the rust Gymnosporangium clavipes, germinating conidia of the deuteromycete Cercosporidium personatum, and developing ascospores of Ascodesmis nigricans.Spores of G. clavipes and C. personatum were deposited on moist pieces of sterile dialysis membrane where they hydrated and germinated. Asci of A. nigricans developed on pieces of dialysis membrane lying on nutrient agar plates. U. vinacea was cultured on small pieces of agar-coated wire. In the plant pathogens E. camelliae var. gracilis and S. sorghi, a razor blade was used to remove smal1 pieces of infected host issue. All samples were plunged directly into liquid propane and processed for study according to Hoch.l Samples on dialysis membrane were flat embedded. Serial thin sections were cut using a diamond knife, collected on slot grids, and allowed to dry down onto Formvar coated aluminum racks. Sections were post stained with uranyl acetate and lead citrate.

Effects of Mg2+ on Chromatic Structure in Isolated Chicken Liver Nuclei

1990 ◽  
Vol 48 (3) ◽  
pp. 130-131
Author(s):  
Soichiro Arai ◽  
Yuh H. Nakanishi
Keyword(s):  
Chromatin Structure ◽  
Room Temperature ◽  
Osmium Tetroxide ◽  
Divalent Cations ◽  
Chromatin Condensation ◽  
Chicken Liver ◽  
Electron Microscopic ◽  
Razor Blade ◽  
Microscopic Studies ◽  
Liver Nuclei

Although many electron microscopic studies on extracted chromatin have provided considerable information on chromatin condensation induced by divalent cations, there is only a little literature available on the effects of divalent cations on chromatin structure in intact nuclei. In the present study, the effects of Mg2+ on chromatin structure in isolated chicken liver nuclei were examined over a wide concentration range of Mg2+ by scanning electron microscopy.Nuclei were prepared from chicken liver by the method of Chauveau et al. with some modifications. The nuclei were suspended in 25 mM triethanolamine chloride buffer (pH7.4) with 1 mM EDTA or in the buffer with concentrations of MgCl2 varying from 1 to 50 mM. After incubation for 1 min at 0°C, glutaraldehyde was added to 1.8% and the nuclei were fixed for 1 h at 4°C. The fixed nuclei were mixed with 15% gelatin solution warmed at about 40°C, and kept at room temperature until the mixture set. The gelatin containing the nuclei was fixed with 2% glutaraldehyde for 2-4 h, and cut into small blocks. The gelatin blocks were conductive-stained with 2% tannic acid and 2% osmium tetroxide, dehydrated in a graded series of ethanol, and freeze-cracked with a razor blade in liquid nitrogen.

The Razor Blade in the Apple: The Social Construction of Urban Legends

1985 ◽  
Vol 32 (5) ◽  
pp. 488-499 ◽  
Author(s):  
Joel Best ◽  
Gerald T. Horiuchi
Keyword(s):  
Social Construction ◽  
Razor Blade ◽  
Urban Legends ◽  
The Social

The effects of Q-switched YAG lasers on silicone lens implants

1984 ◽  
Author(s):  
Carol F. Boerner ◽  
Leonard I. Sudenfield ◽  
Charles S. Naiman
Keyword(s):  
Yag Lasers

Solution heat treatment with high-power YAG lasers

1993 ◽  
Author(s):  
S. Kimura ◽  
M. Sprenger ◽  
W. Kono ◽  
H. Takahashi ◽  
Y. Tongu
Keyword(s):  
Heat Treatment ◽  
High Power ◽  
Solution Heat Treatment ◽  
Yag Lasers

scholarly journals Lasers in glaucoma

1970 ◽  
Vol 2 (1) ◽  
pp. 51-58
Author(s):  
S Kumar
Keyword(s):  
Diode Lasers ◽  
Review Article ◽  
Open Angle ◽  
Yag Lasers

Use of lasers in the treatment of various types of glaucomas is an important aspect in ophthalmic practice. Both Argon and Yag lasers are now-a-days commonly used in the treatment of angleclosure and open-angle glaucomas. Besides this, more recently, Diode lasers are being used for the treatment of the glaucomas. Lasers are also being used in the management of intractable glaucomas which are not controlled by medication alone. In this review article, all these features have been highlighted. Keywords: Lasers; glaucoma DOI: 10.3126/nepjoph.v2i1.3705 Nep J Oph 2010;2(1) 51-58

Welding of aluminium tailored blanks by Nd: YAG lasers

2003 ◽  
Vol 17 (4) ◽  
pp. 282-286 ◽  
Author(s):  
K Shibata ◽  
T Iwase ◽  
H Sakamoto ◽  
M Kasukawa ◽  
K Chiba ◽  
...  
Keyword(s):  
Yag Lasers ◽  
Tailored Blanks
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