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2.1. Kinetic Resolution of Alcohols and Amines 2987 2.2. Ketene Acylation 2995 2.3. Cycloadditions 2996 2.3.1. â-Lactone Formation 2996 2.3.2. â-Lactam Formation 2997 2.3.3. Ketene Dimerization 2999 2.4. Halogenation 3000 2.5. Baylis−Hillman Reactions 3000 2.6. Desymmetrization of Cyclic Anhydrides 3002 2.7. C-Acylation 3004 2.8. Cyanation 3004 3. Solid Phase Chemistry 3007 3.1. Solution Cataly...

Prinzmetal et a!, used 24Na for this purpose (1), while others used al bumin 1311 (2). With more extensive experience, procedures improved over the years until, in 1958, Pritchard et al (3) reported an effective method for the external precordial detection and determination of cardiac output with albumin †̃@†̃I. During this time, a good correlation with dye dilution technique by means of arte...

This in vivo study investigated the time of degradation of root filling material (trans 1,4-polyisoprene) retrieved from endodontically treated teeth and correlated the occurrence of degradation with the longevity of endodontics. Thirty-six root-filled teeth with different filling times (2 to 30 years) and with and without periapical lesions were selected. All teeth presented clinical indicatio...

The binding of organic and biomolecules with DNA has become one of the greatest challenges for chemists and biologists in recent years because it could be applied in the design of new and efficient drugs targeted to DNA as well as in understanding how proteins could be recognized or bound to specific DNA sequences.1 Among these molecules, cyclodextrins (CDs) and their assemblies have attracted ...

The fine specificity analysis of two human monoclonal antibodies (AbFCMl and Ahi UM I ) reacting with gangliosides is described and their specificities are compared with analogous mouse monoclonal anti bodies (mAt)s). These two antibodies were generated from lymphocytes of melanoma patients by Epstein-Barr virus transformation followed by fusion with mouse myeloma NS-1. Using a wide variety of ...

Materials. DL-Methionine-l-'4C (1.41 and 3.54 mCi/mmole), and DL-ornithine-l -†̃ †̃@ C (3.3 1 mCi/mmole) were obtained from New England Nuclear Corporation, Boston, Mass. The hydrochloride salts of putrescine, spermidine, and spermine and Tns, glutathione, and AlP were obtained from Sigma Chemical Company, St. Louis, Mo. S-Adenosyl-L-methionine and pyridoxal phosphate were obtained from Calbi...

We used polyisoprene-block-ethyleneoxide copolymers as structure-directing agents to synthesise well-ordered and highly-crystalline mesoporous WO(3) architectures that possess improved photocatalytic properties due to enhanced dye-adsorption in absence of diffusion limitation.

Prinzmetal et a!, used 24Na for this purpose (1), while others used al bumin 1311 (2). With more extensive experience, procedures improved over the years until, in 1958, Pritchard et al (3) reported an effective method for the external precordial detection and determination of cardiac output with albumin †̃@†̃I. During this time, a good correlation with dye dilution technique by means of arte...

Let A be an abelian variety,  be the dual abelian variety. The Fourier-Mukai transform is an equivalence between the derived categories of coherent sheaves Db(A) and Db(Â). Notice that there is a ”symplectic” line bundle LA on (Â×A)2, namely, LA = p14P⊗√∈∋P where P is the Poincaré line bundle on Â×A, such that the standard embeddings A ⊂ Â×A and  ⊂ Â×A are ”lagrangian” with respect to LA, i.e...