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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Biochemistry 3 (1964), S. 285-291 
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of plastic surgery 16 (1993), S. 287-291 
    ISSN: 1435-0130
    Keywords: Squamous cell carcinoma ; Full-thickness defects ; Reconstruction ; Free radial forearm flaps
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The restoration of composite tissue defects of the oral cavity involving skin and mucosa remains a difficult problem for reconstructive surgeons. A method for immediate one-stage reconstruction of combined intraoral and facial defects with the radial forearm free flap is described. Four patients operated on between July and December of 1991 for advanced squamous cell carcinoma of oral cavity involving oral mucosa, skin and in two cases the mandible were reconstructed with a radial forearm flap to obtain reconstruction of facial and intraoral mucosa. The area of the fold is deepithelialized to be sutured to adjacent tissue.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European journal of plastic surgery 18 (1995), S. 220-225 
    ISSN: 1435-0130
    Keywords: Squamous cell carcinoma ; Palate-Reconstruction-Forearm flap
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We present six patients with maxillary and palate defects that were reconstructed with the radial forearm flap. Four patients had malignant neoplasms involving the maxilla, three with squamous cell carcinoma and the fourth with recurrent basal cell carcinoma. They were treated with excision and immediate reconstruction using a radial forearm free flap. The other two patients presented with large fistulae between the maxilla and nasal sinuses, these being sequelae of previous surgical treatment for malignancies. The fistulae were closed with radial forearm free flaps. This method provides primary wound healing, restoration of palatal function, preservation of facial contour, and a minimal morbidity while obviating the need for palatal prosthesis. In the six cases, the oral cavity has been completely separated from the paranasal sinus and nasal cavity, and all patients demonstrated satisfactory deglutition and intelligible speech.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of thermal analysis and calorimetry 28 (1983), S. 3-9 
    ISSN: 1572-8943
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung (XanH+)2(MCl 4 2- )-Salze (worin XanH+ die protonisierte Form von Xanthin bedeutet und M=Zn(II), Cd(II) oder Hg(II) ist) wurden synthetisiert und mit IR,1H-NMR, TG und DSC untersucht. In diesem Fall liegt keine Koordination des Metalls mit dem Liganden vor, und es bildet sich eine salzartige Struktur aus. Das kationische Proton ist an N(7) lokalisiert. Die thermische Zersetzung dieser Salze erfolgt in zwei Schritten: (i) Dehalogenisierung und (ii) Zersetzung. Dehalogenierungsenthalpien wurden aus DSC-Kurven berechnet.
    Abstract: Резюме Синтезированы и изуч ены с помощью ИК- и ПМР-спектроскопии, а т акже методами ТГ и ДСК соли [XanH+]2[MCl 4 2− ], где XanH+ — протонированная форма ксантина, а M — двухвалентные цин к, кадмий и ртуть. В эти х солях металл не образует ко ординационной связи с лигандом, а обр азует солеобразную с труктуру. Протонирование ксан тина происходит по азоту в седьмом положении. Те рмическое разложение солей про исходит в две стадии: дегалоге нирование и разложен ие. Из ДСК-кривых были вычис лены энтальпии реакции дегалогенир ования.
    Notes: Abstract Salts [XanH+]2[MCl 4 2- ] (where XanH+=protonated form of xanthine and M=Zn(II), Cd(II) and Hg(II) have been synthesized and studied by IR,1H-NMR, TG and DSC. The metal is not coordinated to the ligand and forms a salt-like structure. The cationic proton is on N(7). Thermal decomposition of these salts occurs in two steps: (i) dehalogenation and (ii) decomposition. Dehalogenation enthalpies have been calculated from DSC curves.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1573-7195
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Une enquête auprès des utilisatrices et du personnel de santé participant au programme de planning familial ISSS a fait ressortir l'intérêt que suscitait l'inclusion d'une préparation administrée par injection une fois par mois en tant que méthode contraceptive offerte par cette institut. Le produit contenant 150 mg d'acétophénide de dihydroxyprogestérone (DHPA)+10 mg d'énanthate d'oestradiol (E2EN) a été choisi pour mener une étude ouverte et prospective en vue de déterminer dans quelle mesure il était efficace et tolérable. Entre janvier 1992 et mars 1994, 7.054 femmes ont été traitées avec ce produit, correspondant à un total de 60.010 mois. Constituées en groupe échantillon, 4.505 femmes ont fréquenté l'institut, nous permettant de confirmer qu'en moyenne les utilisatrices étaient jeunes, avaient un ou deux enfants, ne correspondaient pas à une distribution géographique particulière et choisissaient l'injection mensuelle comme première méthode contraceptive ou après la période puerpérale, de préférence aux contraceptifs oraux. Le produit étudié s'est avéré hautement efficace (indice de Pearl 0,018) et tolérable (taux de retrait général pendant la durée de l'étude: 27,09%). Les effets négatifs les plus fréquents comprenaient des troubles de saignements, des céphalées et des mastalgies; ces troubles diminuaient spontanément à partir du sixième mois (3,9%), cessant totalement après deux ans. Le traitement a été abandonné par 3,47% des femmes à cause d'effets négatifs. Aucun changement significatif n'a été observé ni dans le poids corporel, ni dans la pression sanguine systolique et diastolique. Sur la base de ces résultats, le contraceptif mensuel injectable a été inclus dans la liste des produits de base de l'ISSS.
    Abstract: Resumen Un estudio entre usuarias y personal de atención de la salud del Programa de Planificación Familiar ISSS indicó interés en incluir una preparación mensual inyectable como método anticonceptivo ofrecido por dicha institución. La formulación que contenía 150 mg de acetofenida de dihidroxiprogesterona (DHPA) y 10 mg de enantato de estradiol (E2EN) fue elegida para realizar un estudio prospectivo abierto sobre eficacia y tolerabilidad. Entre enero de 1992 y marzo de 1994, se trató a 7.054 mujeres con este producto durante un total de 60.010 meses. Una muestra compuesta de 4.505 mujeres atendidas en dicho instituto permitió confirmar que las usuarias medias son jóvenes, tienen uno o más hijos, no señalan ninguna distribución geográfica en particular y eligen la inyección mensual en vez de los anticonceptivos orales como primer método anticonceptivo o para el puerperio. La formulación estudiada registró una alta tasa de eficacia (Indice de Pearl: 0,018) y tolerabilidad (tasa general de interrupción durante el estudio: 27,09%). Los acontecimientos adversos más frecuentes comprendieron perturbaciones de sangrado, dolor de cabeza y mastalgia; su incidencia disminuyó espontáneamente a partir del sexto mes (3,9%), reduciéndose al 0% al cabo de dos años. El tratamiento fue abandonado debido a acontecimientos adversos por el 3,47% de las mujeres. No se observó ningún cambio significativo del peso corporal o de la tensión arterial sistólica o diastólica. En base a estos resultados, el anticonceptivo inyectable mensual se incluyó en la lista básica de productos del ISSS.
    Notes: Abstract A survey among users and health personnel participating in the Salvadorian Social Security Institute (ISSS) Family Planning Program revealed interest in including a monthly preparation for injection as a contraceptive method offered by this Institution. The formulation containing dihydroxyprogesterone acetophenide (DHPA) 150 mg + estradiol enantate (E2EN) 10 mg was chosen for conducting an open and prospective study of efficacy and tolerability. Between January 1992 and March 1994, 7054 women were treated with this product for a total of 60010 months. A sample composed of 4505 women treated at this Institution confirmed that average users are young, have one or two children, do not show a particular geographical distribution and choose the monthly injection instead of oral contraceptives as the first contraceptive method or for the puerperium. The study formulation showed a high efficacy (Pearl Index: 0.018) and tolerability (general withdrawal rate throughout the study: 27.09%). The most frequent adverse events included bleeding disorders, headache and mastalgia; their incidence decreased spontaneously from the sixth month (3.9%), reaching 0% after two years. Treatment was discontinued due to adverse events in 3.47% of women. No significant bodyweight or systolic and diastolic blood pressure alterations were observed. Based on these results, the monthly injectable contraceptive was included in the basic product list at ISSS.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Reaction kinetics and catalysis letters 31 (1986), S. 349-354 
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Гидрирование CO2 на железных катализаторах, нанесенных на активированный углерод, исследовано при атмосферном давлении и при соотношении H2/CO2=4. Специфическая активность для этой реакции ниже, чем в синтезе Фишера-Тропша на тех же самых катализаторах. CO и CH4 являются единственными продуктами, образующимися в гидрировании CO2 в данных экспериментальных условиях. Кажущаяся энергия активации обра-зования CO ниже, чем энергия активации образования CH4.
    Notes: Abstract The hydrogenation of CO2 on activated carbon-supported iron catalysts has been carried out at atmospheric pressure and using a H2/CO2 ratio of 4. The specific activities for this reaction are lower than those obtained for the Fischer-Tropsch synthesis using the same catalysts. CO and CH4 are the only products obtained in the hydrogenation of CO2 under the experimental conditions used. The apparent activation energies determined for the production of CO are lower than those for the production of CH4.
    Type of Medium: Electronic Resource
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