For isolating protoplasts from etiolated rice seedlings, the sterilized seeds were germinated under light for 3 days, and then moved to the dark for another 4-7 days. The isolation procedure was the same as that for isolation of green tissue protoplasts described above.
Sodium Hypochlorite
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Most cited protocols related to «Sodium Hypochlorite»
For isolating protoplasts from etiolated rice seedlings, the sterilized seeds were germinated under light for 3 days, and then moved to the dark for another 4-7 days. The isolation procedure was the same as that for isolation of green tissue protoplasts described above.
Selection on sand in a plastic-petri plate started with saturating chromatography sand with liquid MS0 media (1.1 g/L MS basal salt, 0.5 g/L MES; adjusted pH 5.7). The sands reported here were i) Silicon dioxide (SiO2); purum p.a.; acid purified; 40–200 mesh (84880 – Fluka), and ii) Quartz (SiO2); purum p.a.; powder; < 230 mesh (00653 – Sigma). Appropriate antibiotics were added to the MS0 solution before sand saturation. Dry seeds were sprinkled onto the wet sand, and after a two-day treatment at 4°C, plants were allowed to grow for two weeks.
D. melanogaster lines with Wolbachia are described in
The lines were cleaned of possible chronic viral infections as described elsewhere [12] , [60] .
In order to homogenize the gut microbiota, embryos from each line were sterilized with 2% sodium hypochlorite, followed by 70% ethanol and washed with sterile water. Embryos were placed in new food vials and 150 µl of a bacterial inoculum from a reference stock was added. The inoculum was produced by mixing 5 ml of sterile water with 2 g of food from 10 days old vials containing VF-0058–3 flies [12] , and filtering it to remove eggs and larvae.
Tetracycline-treated lines were cleaned of Wolbachia infection by raising them for two generations in ready-mix dried food (Philip Harris) with 0.05 mg/ml of tetracycline hydrochloride (Sigma). Experiments were performed on lines that were raised without antibiotics for at least 6 generations.
Drosophila lines were maintained on standard cornmeal diet at a constant temperature of 25°C. We focused the analysis on males in the assumption that Wolbachia levels would be more stable in these. Wolbachia is present in ovaries and the sizes of these vary greatly with mating status and physiology of the female.
Most recents protocols related to «Sodium Hypochlorite»
Example 12
Plant transformation—The Arabidopsis thaliana var Columbia (To plants) were transformed according to the Floral Dip procedure [Clough S J, Bent A F. (1998) Floral dip: a simplified method for Agrobacterium-mediated transformation of Arabidopsis thaliana. Plant J. 16(6): 735-43; and Desfeux C, Clough S J, Bent A F. (2000) Female reproductive tissues were the primary targets of Agrobacterium-mediated transformation by the Arabidopsis floral-dip method. Plant Physiol. 123(3): 895-904] with minor modifications. Briefly, Arabidopsis thaliana Columbia (C010) T0 plants were sown in 250 ml pots filled with wet peat-based growth mix. The pots were covered with aluminum foil and a plastic dome, kept at 4° C. for 3-4 days, then uncovered and incubated in a growth chamber at 18-24° C. under 16/8 hours light/dark cycles. The T0 plants were ready for transformation six days before anthesis.
Single colonies of Agrobacterium carrying the binary vectors harboring the genes of some embodiments of the invention were cultured in YEBS medium (Yeast extract 1 gr/L, Beef extract 5 gr/L, MgSO4*7H2O, Bacto peptone 5 gr/L) supplemented with kanamycin (50 mg/L) and gentamycin (50 mg/L). The cultures were incubated at 28° C. for 48 hours under vigorous shaking to desired optical density at 600 nm of 0.85 to 1.1. Before transformation into plants, 60 μl of Silwet L-77 was added into 300 ml of the Agrobacterium suspension.
Transformation of T0 plants was performed by inverting each plant into an Agrobacterium suspension such that the above ground plant tissue was submerged for 1 minute. Each inoculated T0 plant was immediately placed in a plastic tray, then covered with clear plastic dome to maintain humidity and was kept in the dark at room temperature for 18 hours to facilitate infection and transformation. Transformed (transgenic) plants were then uncovered and transferred to a greenhouse for recovery and maturation. The transgenic T0 plants were grown in the greenhouse for 3-5 weeks until siliques were brown and dry, then seeds were harvested from plants and kept at room temperature until sowing.
For generating T1 and T2 transgenic plants harboring the genes of some embodiments of the invention, seeds collected from transgenic T0 plants were surface-sterilized by exposing to chlorine fumes (6% sodium hypochlorite with 1.3% HCl) for 100 minutes. The surface-sterilized seeds were sown on culture plates containing half-strength Murashig-Skoog (Duchefa); 2% sucrose; 0.5% plant agar; 50 mg/L kanamycin; and 200 mg/L carbenicylin (Duchefa). The culture plates were incubated at 4° C. for 48 hours and then were transferred to a growth room at 25° C. for three weeks. Following incubation, the T1 plants were removed from culture plates and planted in growth mix contained in 250 ml pots. The transgenic plants were allowed to grow in a greenhouse to maturity. Seeds harvested from T1 plants were cultured and grown to maturity as T2 plants under the same conditions as used for culturing and growing the T1 plants.
Example 41
At room temperature, a first glass member and a second glass member were respectively washed in acetone, a peracetic acid solution or a calcium hypochlorite solution in sequence for 30 min, removed, washed with pure water and dried. The washed first glass member and second glass member were treated for 60 min in a mixed solution of sodium hypochlorite and aqueous ammonia (containing, in percentage by weight, 5% of sodium hypochlorite, 5% of aqueous ammonia, and 90% of deionized water) at room temperature. The residual solution on the surface was washed off for 10 min with pure water. Then the glass members were blow dried. In this way, the surfaces of the glass members were activated.
Example 39
At room temperature, a first glass member and a second glass member were respectively washed in acetone, a peracetic acid solution or a calcium hypochlorite solution in sequence for 30 min, removed, washed with pure water and dried. The washed first glass member and second glass member were treated for 30 min in a mixed solution of sodium hypochlorite and aqueous ammonia (containing, in percentage by weight, 5% of sodium hypochlorite, 15% of aqueous ammonia, and 80% of deionized water) at room temperature. The residual solution on the surface was washed off for 10 min with pure water. Then the glass members were blow dried. In this way, the surfaces of the glass members were activated.
Example 4
Testing to evaluate hard water tolerance of exemplary formulations of a high-foaming, higher alkaline chlorinated cleaner (with and without PSO) was conducted to determine the impact of the PSO on hard water tolerance. The evaluated formulations are shown below in Table 8 wherein alkaline cleaning compositions including hydroxide alkalinity sources were combined with the PSO adducts and compared to the formulations without the PSO adducts (Control).
The hardness tolerance testing of the EXP 9 formulation and the control were conducted using 1% solutions in water with varying degrees of synthetic hardness created by adding various amounts of dissolved CaCl2) and MgCl2 to a combination of deionized water and NaHCO3. Once the solutions reached 140° F. they were removed from the heat and let stand for 30 minutes. A failure was characterized by the presence of visible flocculent after the 30 minutes, whereas a passing evaluation was characterized by the absence of visible flocculent after the 30 minutes. The results are shown in Table 9.
As shown in Table 10, the exemplary high-foaming formulation (EXP 9) according to the invention containing the PSO adducts had increased hard water tolerance over cleaning compositions not containing the PSO adducts.
The inventions being thus described, it will be obvious that the same may be varied in many ways. Such variations are not to be regarded as a departure from the spirit and scope of the inventions and all such modifications are intended to be included within the scope of the following claims.
Example 40
At room temperature, a first glass member and a second glass member were respectively washed in acetone, a peracetic acid solution or a calcium hypochlorite solution in sequence for 30 min, removed, washed with pure water and dried. The washed first glass member and second glass member were treated for 20 min in a mixed solution of sodium hypochlorite and aqueous ammonia (containing, in percentage by weight, 10% of sodium hypochlorite, 30% of aqueous ammonia, and 60% of deionized water) at room temperature. The residual solution on the surface was washed off for 10 min with pure water. Then the glass members were blow dried. In this way, the surfaces of the glass members were activated.
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More about "Sodium Hypochlorite"
This versatile substance is a powerful oxidizing agent that can effectively kill a wide variety of microorganisms, including bacteria, viruses, and fungi.
In addition to its use in water purification and as a disinfectant, sodium hypochlorite is also employed in the production of other chemicals, such as sodium hydroxide (caustic soda) and sodium bromide.
It can be found in a variety of household and industrial products, including cleaning solutions, laundry detergents, and pool chemicals.
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