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Cecchi T, Pucciarelli F, Passamonti P. INFLUENCE OF METAL ION SORPTION ONTO A STYRENE-DIVINYLBENZENE C18 STATIONARY PHASE ON THE HPLC OF METAL CHELATING ANALYTES. J LIQ CHROMATOGR R T 2012. [DOI: 10.1081/jlc-100101815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- T. Cecchi
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino , 62032 , Italy
| | - F. Pucciarelli
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino , 62032 , Italy
| | - P. Passamonti
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino , 62032 , Italy
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Bordi S, Carlå M, Passamonti P, Fontanesi C, Pelloni P. On the Nature of the Nonanoic Acid Monolayer Adsorbed at the Hg/Aqueous Solution Interface: Influence of Conformational Freedom in Bulk Aqueous Solution. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/bbpc.19950990108] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Minvielle F, Cecchi T, Passamonti P, Gourichon D, Renieri C. Plumage colour mutations and melanins in the feathers of the Japanese quail: a first comparison. Anim Genet 2009; 40:971-4. [PMID: 19496774 DOI: 10.1111/j.1365-2052.2009.01929.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The absorbance of melanin content from dorsal feathers was compared between wild-type Japanese quail and nine other quail plumage colours determined by single mutations in one of seven genes: extended brown (MC1R), yellow (ASIP), silver (MITF), lavender (MLPH), roux (TYRP1), imperfect albinism (SLC45A2) and rusty. As compared with wild-type quail, all mutations but extended brown decreased total melanins. The largest decrease was observed in quail with one of the dilution mutations at TYRP1, MLPH or SLCA45A2. No difference in eumelanins was found between the 10 plumage colours. Despite visible colour differences, homozygous and heterozygous mutants at MITF, or the two imperfect albino (white) and cinnamon (pale yellow) alleles at SLC45A2, could not be differentiated on the basis of melanins. In contrast, the two white phenotypes caused by mutations at MITF and SLC45A2, or the two reddish plumage colours caused by the roux and rusty non-allelic mutations had different total melanin contents. The results showed that rusty was not likely to be a dilution mutation.
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Affiliation(s)
- F Minvielle
- INRA/AgroParisTech, UMR 1313 Génétique animale et biologie intégrative, 78352 Jouy-en-Josas, France.
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Cecchi T, Passamonti P. Erratum to “Retention mechanism for ion-pair chromatography with chaotropic reagents” [J. Chromatogr. A 1216 (2009) 1789–1797]. J Chromatogr A 2009. [DOI: 10.1016/j.chroma.2009.04.088] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Cecchi T, Pucciarelli F, Passamonti P, Ferraro S. INFLUENCE OF METAL IMPURITIES SORPTION ONTO A SILICA BASED C18 STATIONARY PHASE ON THE HPLC OF METAL CHELATING ANALYTES. J LIQ CHROMATOGR R T 2007. [DOI: 10.1081/jlc-100101670] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- T. Cecchi
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino , 62032 , Italy
| | - F. Pucciarelli
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino , 62032 , Italy
| | - P. Passamonti
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino , 62032 , Italy
| | - S. Ferraro
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino , 62032 , Italy
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Cecchi* T, Pucciarelli F, Passamonti P. ION INTERACTION CHROMATOGRAPHY OF NEUTRAL MOLECULES. USE OF A POTENTIAL APPROXIMATION TO OBTAIN A SIMPLIFIED RETENTION EQUATION. J LIQ CHROMATOGR R T 2007. [DOI: 10.1081/jlc-100001334] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- T. Cecchi*
- a Dipartimento di Scienze Chimiche , Universitá degli Studi di Camerino , Via S. Agostino, 1, Camerino, 62032, Italy
| | - F. Pucciarelli
- a Dipartimento di Scienze Chimiche , Universitá degli Studi di Camerino , Via S. Agostino, 1, Camerino, 62032, Italy
| | - P. Passamonti
- a Dipartimento di Scienze Chimiche , Universitá degli Studi di Camerino , Via S. Agostino, 1, Camerino, 62032, Italy
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Affiliation(s)
- T. Cecchi
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino, 62032, Italy
| | - S. Ferraro
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino, 62032, Italy
| | - F. Fuscà
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino, 62032, Italy
| | - F. Pucciarelli
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino, 62032, Italy
| | - P. Passamonti
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino, 62032, Italy
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Cecchi T, Pucciarelli F, Passamonti P. Extended Thermodynamic Approach to Ion Interaction Chromatography: Effect of the Electrical Charge of the Solute Ion. J LIQ CHROMATOGR R T 2007. [DOI: 10.1081/jlc-120027082] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- T. Cecchi
- a Università degli Studi di Camerino, Dipartimento di Scienze Chimiche , Via S. Agostino 1, I‐62032 , Camerino , Italy
| | - F. Pucciarelli
- a Università degli Studi di Camerino, Dipartimento di Scienze Chimiche , Via S. Agostino 1, I‐62032 , Camerino , Italy
| | - P. Passamonti
- a Università degli Studi di Camerino, Dipartimento di Scienze Chimiche , Via S. Agostino 1, I‐62032 , Camerino , Italy
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Cecchi T, Pucciarelli F, Passamonti P. EXTENDED THERMODYNAMIC APPROACH TO ION INTERACTION CHROMATOGRAPHY FOR LOW SURFACE POTENTIAL. USE OF THE LINEARIZED POTENTIAL EXPRESSION. J LIQ CHROMATOGR R T 2007. [DOI: 10.1081/jlc-100106085] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- T. Cecchi
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino, 62032, Italy
| | - F. Pucciarelli
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino, 62032, Italy
| | - P. Passamonti
- a Dipartimento di Scienze Chimiche , Università degli Studi di Camerino , Via S. Agostino 1, Camerino, 62032, Italy
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Cecchi T, Pucciarelli F, Passamonti P. INFLUENCE OF EXPERIMENTAL PARAMETERS ON CHROMATOGRAPHIC BEHAVIOR OF NEUTRAL MOLECULES IN ION INTERACTION CHROMATOGRAPHY. J LIQ CHROMATOGR R T 2007. [DOI: 10.1081/jlc-100101711] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- T. Cecchi
- a Dipartimento di Scienze Chimiche, Via S. Agostino 1 , Università degli Studi di Camerino , Camerino , 62032 , Italy
| | - F. Pucciarelli
- b Dipartimento di Scienze Chimiche, Via S. Agostino 1 , Università degli Studi di Camerino , Camerino , 62032 , Italy
| | - P. Passamonti
- a Dipartimento di Scienze Chimiche, Via S. Agostino 1 , Università degli Studi di Camerino , Camerino , 62032 , Italy
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Polidori P, Renieri C, Antonini M, Passamonti P, Pucciarelli F. Meat fatty acid composition of llama (Lama glama) reared in the Andean highlands. Meat Sci 2006; 75:356-8. [PMID: 22063670 DOI: 10.1016/j.meatsci.2006.07.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2006] [Revised: 07/11/2006] [Accepted: 07/12/2006] [Indexed: 10/24/2022]
Abstract
This study reports the results of the chemical analysis of the Longissimus thoracis and lumborum taken from 20 llama males, reared in the Andean highlands. The animals were slaughtered at 25 months and had a mean final body weight of 63kg. Llama meat shows a low fat (3.51%) and cholesterol content (56.29mg/100g). The fatty acid composition in llama meat contains 50.34% saturated fatty acids, 42.48% monounsaturated fatty acids and 7.18% polyunsaturated fatty acids. Llama meat appears to be a healthy alternative red meat choice.
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Affiliation(s)
- P Polidori
- Department of Environmental Sciences, University of Camerino, Via Circonvallazione 93, 62024 Matelica, MC, Italy
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Cecchi T, Pucciarelli F, Passamonti P. Potassium Tetrakis-(1H-pyrazolyl)-borate: A Mobile Phase Additive for Improved Chromatography of Metal Chelating Analytes. J LIQ CHROMATOGR R T 2006. [DOI: 10.1080/10826079708005834] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- T. Cecchi
- a Università degli Studi di Camerino, Dipartimento di Scienze Chimiche , Via S. Agostino 1, 62032, Camerino, Italy
| | - F. Pucciarelli
- a Università degli Studi di Camerino, Dipartimento di Scienze Chimiche , Via S. Agostino 1, 62032, Camerino, Italy
| | - P. Passamonti
- a Università degli Studi di Camerino, Dipartimento di Scienze Chimiche , Via S. Agostino 1, 62032, Camerino, Italy
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Affiliation(s)
- F. Pucciarelli
- a Università degli Studi di Camerino, Dipartimento di Scienze Chimiche , Via S. Agostino 1, 62032, Camerino, Italy
| | - P. Passamonti
- a Università degli Studi di Camerino, Dipartimento di Scienze Chimiche , Via S. Agostino 1, 62032, Camerino, Italy
| | - T. Cecchi
- a Università degli Studi di Camerino, Dipartimento di Scienze Chimiche , Via S. Agostino 1, 62032, Camerino, Italy
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Affiliation(s)
- T. Cecchi
- a Università degli Studi di Camerino, Dipartimento di Scienze Chimiche , Via S. Agostino 1, 62032, Camerino, Italy
| | - F. Pucciarelli
- a Università degli Studi di Camerino, Dipartimento di Scienze Chimiche , Via S. Agostino 1, 62032, Camerino, Italy
| | - P. Passamonti
- a Università degli Studi di Camerino, Dipartimento di Scienze Chimiche , Via S. Agostino 1, 62032, Camerino, Italy
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Abstract
The chromatographic behavior of charged analytes in ion interaction chromatography (IIC) is theoretically investigated. The chemical modifications of the stationary and mobile phases in the presence of ion interaction reagent (IIR) are theoretically shown to change the partition coefficient for charged molecules. The most reliable literature experimental results concerning retention behavior of charged molecules in IIC were used to test the new theory. Retention equations are compared with those that can be obtained from the most important retention models in IIC. The present exhaustive retention model, which is well-founded in physical chemistry, goes further than the previous ones whose retention equations can be viewed as limiting cases of the present theory. The present extended thermodynamic approach reduces to stoichiometric or electrostatic retention models if the surface potential or pairing equilibria are respectively neglected. Moreover, it is able to quantitatively explain experimental evidences that cannot be rationalized by the existing retention models.
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Affiliation(s)
- T Cecchi
- Università degli Studi di Camerino, Dipartimento di Scienze Chimiche, Italy.
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Passamonti P, Bartocci V, Pucciarelli F. Determination of Captropril using adsorptive cathodic differential pulse stripping voltammetry with the HMDE. ACTA ACUST UNITED AC 1987. [DOI: 10.1016/0022-0728(87)80135-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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