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Entrapment of rosemary extract by liposomes formulated by ...

After 24 h stirring at room temperature (at 500 rpm), the extract was filtered by Whatman No. 1 and rotary evaporator (at 40 C). After freeze drying of extract at -50 C, it was kept in air-tight dark bottles in the freezer at -18 C until usage ... as main part of glycerosome structure, in an aqueous medium. ... obtained in the present ...

Bactericidal Effect of Aqueous Extracts of the Bark of the ...

After their concentration by rotary evaporation the extracts taken a pasty form prior to use they were solubilized in DMSO [9, 10] to give a stock solution of 100 mg / ml. From this solution,

Crystallization techniques in ... -

Apr 01, 2017 In this paper, various crystallization techniques in wastewater treatment are summarized, mainly including evaporation crystallization, cooling crystallization, reaction crystallization, drowning-out crystallization and membrane distillation crystallization. Overall, they are mainly used for desalination, water and salt recovery.

Enhancement of phenolics content and biological activities ...

Aug 05, 2021 This study is the first to compare the chemical compositions and biological activities of a conventional dried Dimocarpus longan with a novel black D. longan that underwent a thermal ageing process.

Structural and Conformational Analysis of 1-Butyl-3 ...

Aug 16, 2021 The crystal structures of two polymorphic forms of 1-butyl-3-methylimidazolium nitrate are reported. The form observed at 100 K and 200 K (Ia and Ib) crystallizes in the \(P{\bar{1}}\) space group and contains two independent imidazolium cations and nitrate anions.At 100 K the butyl chain of one cation adopts a TT (trans–trans) conformation and the …

(PDF) Determination of Quercetin and Rutin in Red Galangal ...

Buchii rotary evaporator at 500C to obtain thick extract. Fractionation of red galangal and white galangal extract were carried out using vacuum column chromatography (KKV) method.

Stator - an overview ScienceDirect Topics

C. Thies, in Nanotechnology in the Food, Beverage and Nutraceutical Industries, 2012 8.6.1 High shear mixers. Rotor-stator and blade type blenders are examples of high shear mixers that function at atmospheric pressure.They are typically used to form pre-mixes or coarse dispersions that are subsequently converted into nanoemulsions or dispersions by more intense mixing …

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Antibacterial activity of iron oxide iron nitride and ...

Feb 18, 2020 The addition of pyridine was repeated four more times using the same methodology as described above, and the reaction could continue for another 2 h at 50 C. The pyridine solvent, which has a boiling point of 115.3 C at 1 atm, was removed using the rotary evaporator set at 40–50 C to facilitate evaporation separation of the solvent.

US Patent for Method of making an inorganic platinum ...

Feb 19, 2019 Provided is a method of making an inorganic platinum compound. The method includes the steps of: Step (A): providing a platinum material and a halogen-containing oxidizing agent; and Step (B): treating the platinum material with the halogen-containing oxidizing agent in a hydrochloric acid aqueous solution to obtain the inorganic platinum compound, including …

(PDF) Solubility and degradation of ... - Academia.edu

In this equation, kM(T) is the first-order dis- implicit assumptions about the constant number of particles is solution rate at a given temperature per unit surface area. A valid, most of the polymer remains in the solid granule phase. driving force term is included to represent the surface area The reduced form of the mass balance is ...

Glycosylated narciclasine alkaloid in Hippeastrum puniceum ...

Jan 01, 2021 The crystal structure narciclasine-4-O-β-D-xylopyranoside crystalized in the Orthorhombic space Group P2 1 2 1 2 1 and the ORTEP type diagram (Farrugia, 1997) of the asymmetric unit can be seen in Fig. 2.The asymmetric unit is formed by one narciclasine-4-O-β-D-xylopyranoside molecule, as well as three water molecules that stabilize the crystal packing.

(PDF) Trends in the use of natural antioxidants in active ...

Jan 03, 2014 naturally occur in herbs and spices, is a fi eld attracting great interest. In line with this, in the last few years, natural. antioxidants such as α -tocopherol, caffeic acid, catechin ...

Series-connected hexacations cross-linked ... - ScienceDirect

Jan 15, 2019 Li's group synthesized quantitatively another DD AEM family of mixed-charge PPO AEMs with quaternary ammoniums and carboxylic acid groups via Cu(I)-catalyzed “click chemistry” to achieve the highest U H + of 0.021 m/h and S H + / Fe 2 + of 34.52 with PPO-X35Y20 at 30 C . Noor Ul Afsar et al. used 4-dimethyl amino pyridine (DMAP) to ...

Response Surface Optimization of Ultra-Elastic ...

Jan 25, 2021 Introduction. The goal of corticosteroid therapy is to maximize the clinical benefit and to minimize the side effects. Corticosteroids exert a group of important anti-allergic and anti-inflammatory actions by different mechanisms including; inhibition of cytokine, inhibition of leucocyte priming in eosinophils and neutrophils, decreasing the vascular permeability, …

Breast cancer drug delivery by novel drug-loaded chitosan ...

Jul 08, 2021 Following the loading phase, the solution was rotated at 40 C and 150 cycles/min by (Heidolph Hei-VAP) Core Rotary evaporator to obtain BPPE-CCMNPs powder. The release profile of the BPPE drug was evaluated by adding 0.1 mg of BPPE-CCMNPs in 10 ml of PBS (Prabha and Raj 2016 ) at pH of 5, 6.8, 7.4 which mimics the environments of endochylema ...

10.1016/j.polymdegradstab.2012.04.006 - DeepDyve

Jun 11, 2020 1 Introduction In the last decades, the problem of comprehensive recycling of waste rubber products represented mainly by scrap tyres has attracted a great deal of attention [1–4] . This is due to two main reasons. The first reason is the negative environmental impact arising from a huge amount of waste tyres discarded in stockpiles and landfills. The second …

10.1016/j.jfoodeng.2009.01.035 10.1016/j ... - DeepDyve

Jun 11, 2020 1 Introduction Macadamia tree ( Macadamia integrifolia ) belongs to the botanical family Proteaceae . Macadamia nut is rich in monounsaturated fatty acids, with oleic acid, which is claimed to be a potent inhibitor of fatty acid and cholesterol synthesis ( Francesco et al., 2007 ), contributing to more than 70% of the total fatty acids.

10.1016/S0014-3057(99)00244-X - DeepDyve

Jun 11, 2020 The solvent was evaporated in a rotary evaporator and the crude monomer, NPEMA, obtained as a white solid was washed with 0.05% NaOH and recrystallised from ethanol, yield 76%, m.p. 75C. ... The signals between 1.90 and 1.83 ppm are due to the methylene protons of the main chain. ... be the mole fraction of MMA. NPEMA contains 4 aromatic ...

Phytochemical screening antioxidant and ... - SpringerOpen

Jun 21, 2016 Phytochemical screening, antioxidant and antimicrobial activities of hexane, ethylacetate and methanol crude extracts of Acalypha ciliata plant was studied in this work. This plant according to folk medicine has been reported to be used for treatment of female sterility, dressing of sores and schistosomiasis. The preliminary screening of the various extracts was …

Synthesis and Calibration of Phosphorescent Nanoprobes for ...

Mar 03, 2010 To a 0.01 M solution of tetrahydroisoindole (1 eq) in CH 2 CL 2 the aromatic aldehyde (1 eq) was added under argon. The reaction mixture was stirred for 10 min in the dark at R.T. BF 3 xEt 2 O (0.2 eq) was added, and the reaction mixture was stirred at rt for an additional 2 h. DDQ (1 eq) was added, and the mixture was left overnight under ...

A new fluorinated urethane dimethacrylate ... - ScienceDirect

May 01, 2016 After the removal of the solvent on a rotary evaporator at 50 C, the fluorinated product was dissolved in CH 2 Cl 2 and the organic phase was washed three times with distilled water. After drying over anhydrous Na 2 SO 4 , the solvent was removed under reduced pressure with a rotary evaporator at 30–35 C and the PEG-F derivative was achieved.

Sub- and Supercritical Water Gasification of Rice Husk ...

May 18, 2021 The acetone phase contains a high quantity of dissolved water and is recovered through a salting-out technique using anhydrous calcium chloride. The water-dry hexane and acetone phases are recovered in a rotary evaporator (Heidolph Instruments GmbH Co. KG, Germany) at temperature 60 C, vacuum 870 mbar, and 113 rpm for 10 min each phase.

Membrane-permeable Calmodulin Inhibitors ( e.g. W-7 ... - JBC

Membrane-permeable calmodulin inhibitors, such as the napthalenesulfonamide derivatives W-7/W-13, trifluoperazine, and calmidazolium, are used widely to investigate the role of calcium/calmodulin (Ca2+/CaM) in living cells. If two chemically different inhibitors (e.g. W-7 and trifluoperazine) produce similar effects, investigators often assume the effects are due to CaM …

Molecular Imaging of Labile Iron(II) Pools in Living Cells ...

Oct 09, 2013 The fluorescence turn-on response of IP1 is selective for Fe 2+ over abundant cellular alkali and alkaline earth metal ions, like Na +, K +, Mg 2+, and Ca 2+, as well as other biologically relevant 3d metal ions like Mn 2+, Ni 2+, Cu +, Cu 2+, and Zn 2+ (Fig. 1).In addition, IP1 shows redox selectivity for Fe 2+ over Fe 3+.Of the 3d transition metal series, only Co 2+ …

Synthesis of silver nanoparticles using Plantago ...

Oct 21, 2021 Using Rigaku Smart Lab II X-Ray powder diffraction (Japan) with an average source of Cu K α1 + K α2 radiation (λ = 0.15425 A), the phase units of Ag. XRD measured NPs. XRD measured NPs.

Stator - an overview ScienceDirect Topics

Rotor-stator mixers are used extensively for emulsion formation in different fields of process industry, such as in the food, pharmaceutical, and cosmetic industries (Atiemo-Obeng and Calabrese, 2004).They are often considered to be the standard method for emulsions with intermediate-to-high viscosity and/or dispersed phase volume fraction (Schultz et al., 2004; …

Monitoring Poly(ADP-ribosyl ... - Cell Chemical Biology

Specifically, to a 100 mL round bottom flask was added S1 (2.0 g, 5.1 mmol, 1 eq), imidazole (1.9 g, 27 mmol, 5 eq), and dimethylformamide (20 mL). The solution was cooled to 0C. Tert-butyldimethylsilyl chloride (2.9 g, 19 mmol, 4 eq) was added as a solid in one portion. Solution was allowed to warm to room temperature and was stirred for 16 h.

Short Path in Ontario - Kijiji

This Home Features A Balcony Off Family Room. Wood Floors On Main Level. Ss Appliances .Short Walking Distance To All Amenities. ... LabCradle SolventVap Rotary Evaporator Motorized Lift 5L 10L 20L 50L (copy of Eyela) Canadian Warranty and Support Special: 5L Evaporator + Chiller + Pump = $5000 Evaporator is available in 5L 10L, 20L and 50L ...

Evaluation of P-bridged biaryl phosphine ligands in ...

Upon completion, the GC sample was transferred back into the main reaction mixture, an aqueous work-up was performed (EtOAc : H 2 O, 1 : 1). The organic layer was dried over MgSO 4, filtered through a cotton wool plug and concentrated on a rotary evaporator. The isolated yield was obtained by purification of the crude product through column ...

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