A environmentally friendly reversed-phase liquid chromatography method for phthalates determination in nail cosmetics von Orsi, D. De, Gagliardi, L., Porrà, R., Berri, S., Chimenti, P., Granese, A., Carpani, I., Tonelli, D.

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The chequered history of the development and use of simultaneous equations for the accurate determination of chlorophylls a and b von Porra, Robert J

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Simple Extraction and HPLC Determination of UV-A and UV-B Filters in Sunscreen Products von De Orsi, D, Giannini, G, Gagliardi, L, Porrà, R, Berri, S, Bolasco, A, Carpani, I, Tonelli, D

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LTB4 as marker of 5-LO inhibitory activity of two new N- ω-ethoxycarbonyl-4-quinolones von Bossù, E, Aglianò, A.M, Desideri, N, Sestili, I, Porrà, R, Grandilone, M, Quaglia, M.G

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Stability of reconstituted solutions of ceftazidime for injections: an HPLC and CE approach von Farina, A, Porrà, R, Cotichini, V, Doldo, A

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Analysis of ceftazidime and related compounds by micellar electrokinetic chromatography von Porrà, R, Farina, A, Cotichini, V, Lecce, R

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Alterations in pigment content in leaves of Pisum sativum after exposure to supplementary UV-B von Strid, Åke, Porra, Robert J.

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Derivation of the formyl-group oxygen of chlorophyll b from molecular oxygen in greening leaves of a higher plant ( Zea mays) von Porra, R.J., Schäfer, W., Cmiel, E., Katheder, Ingrid, Scheer, H.

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The derivation of the oxygen atoms of the 13(1)-oxo and 3-acetyl groups of bacteriochlorophyll a from water in Rhodobacter sphaeroides cells adapting from respiratory to photosynth... von Porra, R J, Schäfer, W, Katheder, I, Scheer, H

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Development of a tandem thin-layer chromatography–high-performance liquid chromatography method for the identification and determination of corticosteroids in cosmetic products von Gagliardi, Luigi, De Orsi, Daniela, Giudice, Maria Rosaria Del, Gatta, Franco, Porrà, Rita, Chimenti, Paola, Tonelli, Domenica

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Determination of accurate extinction coefficients and simultaneous equations for assaying chlorophylls a and b extracted with four different solvents: verification of the concentra... von Porra, R.J., Thompson, W.A., Kriedemann, P.E.

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Determination of fenfluramine enantiomers in pharmaceutical formulations by capillary zone electrophoresis von PORRA, R, QUAGLIA, M. G, FANALI, S

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Pediatric Index of Mortality 2 as a predictor of death risk in children admitted to pediatric intensive care units in Latin America: A prospective, multicenter study von Arias Lopez, Maria Pilar, MD, Fernández, Ariel L., MSc, Ratto, María E., MD, Saligari, Liliana, MD, Serrate, Alejandro Siaba, MD, Ko, In Ja, MD, Troster, Eduardo, MD, Schnitzler, Eduardo, MD

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Development of an HPLC method for the identification and dosage of non-allowed substances in cosmetic products. Part I: local anaesthetics and antihistaminics von Porrà, Rita, Berri, Simona, Gagliardi, Luigi, Chimenti, Paola, Granese, Arianna, De Orsi, Daniela, Carpani, Irene, Tonelli, Domenica

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A simple method for extracting chlorophylls from the recalcitrant alga, Nannochloris atomus, without formation of spectroscopically-different magnesium-rhodochlorin derivatives von Porra, Robert J.

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Carotenoids, retinoids and alpha-tocopherol in human serum: Identification and determination by reversed-phase HPLC von Cavina, G., Gallinella, B., Porrà, R., Pecora, P., Suraci, C.

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Analytical and regulatory considerations for ferritin-containing pharmaceutical products von Cavina, G, Gallinella, B, La Torre, F, Porrà, R

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The identification of related substances in 9α-fluoroprednisolone-21 acetate by means of high-performance liquid chromatography with diode array detector and mass spectrometry von Cavina, G., Valvo, L., Gallinella, B., Porrà, R., Savella, A.L.

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HPLC Determination of Imidazole Antimycotis in Antidandruff Cosmetic Products von GAGLIARDI, Luigi, ORSI, Daniela DE, CHIMENTI, Paola, PORRA‘, Rita, TONELLI, Domenica

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Proposals for the evaluation of the purity of steroids for pharmaceutical preparations by means of HPLC von Cavina, G, Moretti, G, Alimenti, R, Gallinella, B, Porrà, R, Valvo, L

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