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Showing 1-30 of 47 results for "T35955" within Papers
Rince Wong et al.
The Journal of organic chemistry, 72(10), 3969-3971 (2007-04-21)
A facile and general protocol for the preparation of isothiocyanates from alkyl and aryl amines is reported. This method relies on a tosyl chloride mediated decomposition of a dithiocarbamate salt that is generated in situ by treatment of an amine
Abdelaziz Houmam et al.
Physical chemistry chemical physics : PCCP, 14(1), 113-124 (2011-09-15)
Important aspects of the electrochemical reduction of a series of substituted arene sulfonyl chlorides are investigated. An interesting autocatalytic mechanism is encountered where the starting material is reduced both at the electrode and through homogeneous electron transfer from the resulting
Y Tabata et al.
Biomaterials, 7(3), 234-238 (1986-05-01)
The cyanogen bromide (CNBr) activation method was adopted to link collagen molecules onto the surface of cellulose and poly(vinyl alcohol) (PVA) films via covalent bonding. The amount of bound protein was determined by the ninhydrin method and found to be
Katarzyna Dziarkowska et al.
Analytica chimica acta, 606(2), 184-193 (2007-12-18)
Determination of polyamines in biological fluids possesses medical diagnostic relevance. Despite the vast panel of analytical methods developed for polyamines they are not applied in routine clinical usage, mainly due to the time and labor consuming sample preparation step and
I M Kung et al.
Biomaterials, 16(8), 649-655 (1995-05-01)
Three different surface modifications were conducted on the membranes of double-layer alginate/poly(L-lysine) microcapsules with tosyl chloride-activated poly(ethylene glycol), cyanuric chloride-activated poly(ethylene glycol) and tosyl chloride-activated poly(vinyl alcohol), separately. All these surface modifications strengthen the microcapsular membranes. Of the three surface-modified
J M Sánchez-Montero et al.
Applied biochemistry and biotechnology, 22(2), 205-214 (1989-11-01)
The endonuclease from S. aureus has been immobilized on ground maize cob, previously activated with tosyl chloride. Pretreatment of the support on acid before tosylation yielded the best insoluble enzyme derivatives. The catalytic activity has been evaluated as percent of
Ho Law et al.
The journal of physical chemistry. B, 115(23), 7524-7532 (2011-05-20)
Interactions between cyclomaltoheptaose (β-cyclodextrin, βCD) and p-toluenesulfonyl chloride (TsCl) were investigated using MD simulations, both in vacuum, approximating the hydrophobic environment of the CD cavity, and with water as a solvent. In both cases, the minimum energy adiabatic paths, and
Hassan Y Aboul-Enein et al.
Preparative biochemistry & biotechnology, 33(3), 173-187 (2003-08-15)
Xanthine oxidase (XO), purified from buttermilk was subjected to modification with N-phenylmaleimide, p-toluene-sulfonyl chloride, and 2-mercaptobenzimidazole. Spectrophotometric monitoring of the enzyme before and after treatment with these modifiers are presented. The results show that the interaction of XO with the
Dries Vandamme et al.
Bioresource technology, 194, 270-275 (2015-07-27)
This study presents a novel flocculant for harvesting Chlorella vulgaris as model species for freshwater microalgae based on cellulose nanocrystals (CNCs), thus synthesized from a renewable and biodegradable resource. Cationic pyridinium groups were grafted onto CNCs by two separate one-pot
E V Dolgaia et al.
Neirofiziologiia = Neurophysiology, 17(2), 168-174 (1985-01-01)
Microelectrophoresis method was used to study the surface charge of murine neuroblastoma cells (clone C1300-N18TG2). It was shown that the surface charge of these cells was determined mainly by anionic groups of the membrane which were distributed with density 0.2
Rui Ding et al.
Molecules (Basel, Switzerland), 16(7), 5665-5673 (2011-07-05)
Treatment of substituted benzyl alcohols with tosyl chloride resulted in the formation of the corresponding chlorides, not the usual tosylates. A series of experiments demonstrated that it was possible to predict whether chlorination or tosylation would occur for substituted benzyl
Occupational contact dermatitis from tosyl chloride in a chemist.
K L Watsky et al.
Contact dermatitis, 29(4), 211-212 (1993-10-01)
Simple, Mild, and Practical esterification, Thioesterification, and amide formation utilizing p-toluenesulfonyl chloride and N-Methylimidazole.
Wakasugi K, et al.
Advanced Synthesis & Catalysis, 345(11), 1209-1214 (2003)
A H Ismail et al.
Die Pharmazie, 56(7), 534-535 (2001-08-08)
Ferrier rearrangement of 3,4,6-tri-O-acetyl-D-glucal (1) in the presence of triethylphosphite afforded the 2,3-unsaturated pyranose 2. Deacetylation and simultaneous migration of the double bond to 1,2-position in the sugar moiety was achieved by stirring in sodium ethoxide. Tosylation with one equivalent
Zachary C Kennedy et al.
Langmuir : the ACS journal of surfaces and colloids, 31(46), 12742-12752 (2015-10-27)
The interactions of nanoparticles with biomolecules, surfaces, or other nanostructures are dictated by the nanoparticle's surface chemistry. Thus, far, shortcomings of syntheses of nanoparticles with defined ligand shell architectures have limited our ability to understand how changes in their surface
Zrinka Rajic et al.
Journal of inorganic biochemistry, 169, 50-60 (2017-01-29)
We disclose here the studies that preceded and guided the preparation of the metal-based, redox-active therapeutic Mn(III) meso-tetrakis(N-n-butoxyethylpyridyl)porphyrin, MnTnBuOE-2-PyP
Haq Nawaz et al.
Carbohydrate polymers, 92(2), 997-1005 (2013-02-13)
Cellulose acylation by anhydrides (ethanoic to hexanoic) plus tosyl chloride, TsCl, or imidazole in LiCl/N,N-dimethylacetamide solution has been studied. Contrary to a previous claim, TsCl does not catalyze acylation. For the diazole-catalyzed reaction, N-acylimidazole is the acylating agent. Third order
Salvatore Lombardo et al.
Langmuir : the ACS journal of surfaces and colloids, 33(22), 5473-5481 (2017-05-13)
The interaction of bovine serum albumin (BSA) with sulfated, carboxylated, and pyridinium-grafted cellulose nanocrystals (CNCs) was studied as a function of the degree of substitution by determining the adsorption isotherm and by directly measuring the thermodynamics of interaction. The adsorption
Ana Bárbara Dias Pereira et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 887-888, 133-137 (2012-02-16)
Cylitol L-(+)-bornesitol is regarded as a bioactive constituent from Hancornia speciosa leaves, a plant species traditionally used in Brazil to treat diabetes and hypertension. We report a simple HPLC-DAD method for the quantification of bornesitol in extracts from H. speciosa
Charles H Jones et al.
Biomaterials, 58, 103-111 (2015-05-06)
Given the rise of antibiotic resistant microbes, genetic vaccination is a promising prophylactic strategy that enables rapid design and manufacture. Facilitating this process is the choice of vector, which is often situationally-specific and limited in engineering capacity. Furthermore, these shortcomings
[Degradation reactions of oral antidiabetics. 2. Reaction of arylsulfonylureas with 4-toluenesulfonyl chloride].
H Egg et al.
Archiv der Pharmazie, 320(3), 253-257 (1987-03-01)
Anna W Sromek et al.
Journal of labelled compounds & radiopharmaceuticals, 57(14), 725-729 (2014-11-18)
Aporphines are attractive candidates for imaging D2 receptor function because, as agonists rather than antagonists, they are selective for the receptor in the high affinity state. In contrast, D2 antagonists do not distinguish between the high and low affinity states
Wei Li et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 88(3), 706-717 (2014-10-14)
Chemical modification of nanoclay will ensure further progress on these materials. In this work, we show that montmorillonite (MTM) nanosheets can be modified with β-cyclodextrin (CD) via a nucleophilic substitution reaction between mono-6-(p-toluenesulfonyl)-6-deoxy-β-CD and an amino group of 3-aminopropyltriethoxysilane (APTES)-functionalized
The analysis of platelet reaction, utilizing various inhibitors of platelet aggregation.
J Kambayashi et al.
Nihon Ketsueki Gakkai zasshi : journal of Japan Haematological Society, 43(6), 1145-1154 (1980-12-01)
M Tomita et al.
Journal of chromatography, 566(1), 239-243 (1991-05-03)
We have developed a simple, highly sensitive and fast assay method for determining glyphosate and its major metabolite, (aminomethyl)phosphonic acid (AMPA), in serum by high-performance liquid chromatography with ultraviolet detection. Both compounds were successfully extracted with an anion-exchange resin column
Ayman M Atta et al.
Molecules (Basel, Switzerland), 19(5), 6737-6753 (2014-05-27)
Silver nanoparticles (Ag NP) have been attracted much attention in recent years in biomedical applications due to their antimicrobial activity, but their drawbacks include toxicity and instability to aqueous hydrochloric acid solutions. Ag NPs have now been successfully prepared by
André R Fajardo et al.
Biomacromolecules, 15(7), 2691-2700 (2014-05-27)
Despite a growing interest in amphiphilic polysaccharide-based diblock copolymers as functional polymeric drug delivery nanosystems, biologically relevant sulfated glycosaminoglycan systems were not yet investigated. Here, we report the synthesis and the self-assembly properties in water of chondroitin sulfate-b-poly(lactic acid) (CS-b-PLA(n)).
Sandu Cibotaru et al.
Materials science & engineering. C, Materials for biological applications, 116, 111216-111216 (2020-08-19)
The paper reports a series of three new PEGylated phenothiazine derivatives which keep the potential of valuable building blocks for preparing eco-materials addressed to a large realm of fields, from bio-medicine to opto-electronics. They were synthetized by connecting the hydrophilic
Maxim V Khrolenko et al.
Journal of chromatography. A, 1093(1-2), 111-117 (2005-10-20)
The application of supported-liquid membrane (SLM) technique for effective extraction of N-(phosphonomethyl)glycine (glyphosate) and its primary metabolite aminomethylphosphonic acid (AMPA) from juices (orange, grapefruit, apple and blackcurrant) in combination with HPLC-UV detection after derivatization with p-toluenesulphonyl chloride (TsCl) is presented.
α-Chlorination of ketones using p-toluenesulfonyl chloride.
Brummond KM and Gesenberg KD.
Tetrahedron Letters, 40(12), 2231-2234 (1999)
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