It is suggested that non-invasive techniques for measuring intracranial pressure should be suitable for use in the unsedated infant and should be capable of measuring pressure continuously. Methods described by other authors are reviewed. After investigation of 18 patients the technique relying upon the pulsation of the fontanelle described by Purin was rejected as being difficult to perform an...

The co-crystal, C7H9N4O2 (+)·ClO4 (-)·C20H24O6·3.25H2O, consists of theobrominium (3,7-di-methyl-2,6-dioxo-1H-purin-9-ium) cations, perchlorate anions and dibenzo-18-crown-6 and water mol-ecules. The crown ether is in a bent conformation, in which the planes of the aromatic rings subtend an angle of 63.7 (1)°. Inter-molecular O-H⋯O hydrogen bonding between the water mol-ecules and the O atoms o...

The acid-base reactions between the rare-earth metal (Ln) tris(ortho-N,N-dimethylaminobenzyl) complexes [Ln(CH2C(H4NMe2-o)3] with one equivalent of the silylene-linked cyclopentadiene-amine ligand (C5Me4H)SiMe2NH(C6H2Me3-2,4,6) afforded the corresponding half-sandwich aminobenzyl complexes [{Me2Si(C5Me4)(NC6H2Me3-2,4,6)}Ln(CH2C6H4NMe2-o)(thf)] (2-Ln) (Ln=Y, La, Pr, Nd, Sm, Gd, Lu) in 60-87 % is...

Bu çalışmada, aronyanın mikroçoğaltımı üzerine farklı büyüme düzenleyicilerin etkileri araştırılmış olup Nero aronya çeşidinde, Benzil amino purin (BAP), İndol butirik asit (IBA), Gibberallik (GA3) bitki düzenleyicileri kullanılmıştır. Araştırmada 5 çoğaltma ortamı (Birinciortam-1 mg L-1 BAP+0.01 IBA, ikinci ortam-0.5 IBA+0.5 GA3, üçüncü ortam-1 BAP+0.02 dördüncü IBA+1 beşinci ortam-2 GA3) dene...

The antibiotic drug 2-amino-1,9-dihydro-9-(2-hydroxyethoxy)methyl)-6H-purin-6-one has been quantitatively and qualitatively analysis by polarographic & amperometric process. Acyclovir give well identified wave in 1.0mkcl at pH5.0±0.2.Co (II)-Acyclovir complex studied in aqueous phase..The IR spectral data on the drug & its Co (II) complex indicate the co-ordination through nitrogen atom of azid...

Very small crystals of anhydrous guanine (systematic name: 2-amino-1,7-dihydro-6H-purin-6-one), C5H5N5O, were obtained from an attempted solvothermal synthesis of a potassium complex. Data were collected at 120 K using a synchrotron radiation source. There is one essentially planar molecule in the asymmetric unit. Molecules are linked to each other by NÐH N and NÐH O hydrogen bonds to form shee...

Telah dilakukan penelitian pengembangan terhadap modul praktikum kimia untuk uji inhibisi korosi dari purin dan turunannya menggunakan pendekatan komputasi. Tujuan ini adalah mengembangkan yang berkategiri validitas, praktis efektif digunakan dalam pembelajaran. Pengembangan model Borg & Gall. Model terdiri tiga tahap yaitu pendahuluan, pengembangan, evaluasi. Uji validitias oleh ahli kepra...

Penyakit asam urat adalah penyakit yang disebabkan oleh tumpukan atau kristal pada jaringan, terutama jaringan sendi. Upaya untuk mencegah bisa dilakukan dengan cara besifat perawatan, pengobatan, pola hidup sehat seperti diet purin dan juga upaya lain. Penatalaksanaan non farmakologis menurunkan kadar penderita salah satunya melakukan senam ergonomis merupakan kombinasi gerakan otot teknik per...

A number of N-substituted thymine and adenine derivatives, 2a, b and 3a, b, were synthesized by the coupling reaction of 1-bromo-2,2-diethoxyethane with the corresponding base. The corresponding peptide nucleic acid (PNA) analogues, N-substituted ethylamino-3-hydroxypropanoate derivatives 5a, b and ethylamino-3-hydroxybutanoate derivatives 6a, b, were synthesized from the corresponding 2-[3,4-d...