Aggregation Behavior of Mixed Fluorocarbon and Hydrocarbon Molecules in Aqueous Organic Solvents. Nonideality and Ideality of Mixing
摘要:
The emission spectra of naphthalene labeled hydrocarbons (NpHCn) and fluorocarbons (NpFCn) and anthracene labeled hydrocarbons (AnHCn) and fluorocarbons (AnFCn) in aqueous organic mixed solvents were investigated. The fluorescence spectrum of NpHC16 in dimethyl sulfoxide-water (DMSO-H2O) is dominated by excimer emission due to formation of aggregates. Addition of a fluorocarbon compound with chain length of seven perfluoromethylenes results in a reduction in the excimer emission and an enhancement of monomer emission, suggesting formation;of coaggregates. In contrast, addition of a perfluorocarbon compound with chain length of 12 perfluoromethylenes results in no change in the fluorescence spectrum of NpHC16. Similarly, NpFC7 and NpFC12 in DMSO-H2O also exhibit excimer emission exclusively. Fluorescence studies show that hydrocarbon compounds coaggregate with NpFC7 but do not coaggregate with NpFC12. Selective excitation of the naphthalene moiety in the mixture solution of NpHC16 with AnFC7 or in the mixture solution of NpFC7 with AnHC12 exclusively leads to the emission of the anthracene moiety, suggesting that efficient energy transfer between the naphthalene and the anthracene chromophores occurs. On the other hand, for the mixture of NpHC16 with AnFC12 or NpFC12 with AnHC12, no energy transfer was detected. All these observations indicate that fluorocarbon compounds with short chains can mix with hydrocarbon compounds ideally, while those with long chains behave nonideally. The mixed critical aggregation concentrations of NpHC16 with NpFC7 and with NpFC12 are measured as a function of overall composition of the mixtures, which give insight into the magnitude of the nonideality of the mixings.
COMPOSITIONS, METHODS, AND SYSTEMS COMPRISING FLUOROUS-SOLUBLE POLYMERS
申请人:Swager Timothy M.
公开号:US20120177578A1
公开(公告)日:2012-07-12
The present invention generally relates to compositions, methods, and systems comprising polymers that are fluorous-soluble and/or organize at interfaces between a fluorous phase and a non-fluorous phase. In some embodiments, emulsions or films are provided comprising a polymer. The polymers, emulsions, and films can be used in many applications, including for determining, treating, and/or imaging a condition and/or disease in a subject. The polymer may also be incorporated into various optoelectronic device such as photovoltaic cells, organic light-emitting diodes, organic field effect transistors, or the like. In some embodiments, the polymers comprise pi-conjugated backbones, and in some cases, are highly emissive.
PHARMACEUTICAL COMPOSITIONS CONTAINING FLUORINATED OR PERFLUORINATED CARBOXYLIC ACIDS
申请人:ELCOMBE CLIFFORD R.
公开号:US20120029079A1
公开(公告)日:2012-02-02
The molecules of formula (I) are useful in treating diabetes, obesity, hypercholesterolaemia, hyperlipidaemia, cancer, inflammation or other conditions in which modulation of lipis of eicosanoid status or functions may be desirable. Formula (I): Z
1
—Z
1
—Z
2
wherein a) Z
1
represents CO
2
H or a derivative thereof; b) Z
2
represents F, H, —CO
2
H or a derivative thereof; and c) X represents fluorinated alkylene; or a solvate thereof, for example a perfluorinated fatty acid or derivative thereof.
Uses of perfluorinated carboylic acid derivatives for the manufacture of a medicament for the modulation of body mass
申请人:CXR BIOSCIENCES LIMITED
公开号:EP1745779A2
公开(公告)日:2007-01-24
The molecules of formula I are useful in treating diabetes, obesity, hypercholesterolaemia, hyperlipidaemia, cancer, inflammation or other conditions in which modulation of lipid or eicosanoid status or function may be desirable.
Formula I:
Z1-X-Z2 I
wherein
Z1 represents -CO2H or a derivative thereof;
Z2 represents F, H, -CO2H or a derivative thereof; and
X represents fluorinated alkylene;
or a solvate thereof,
for example a perfluorinated fatty acid or derivative thereof.
式 I 分子可用于治疗糖尿病、肥胖症、高胆固醇血症、高脂血症、癌症、炎症或其他需要调节脂质或类二十烷状态或功能的疾病。
式 I:
Z1-X-Z2 I
其中
Z1 代表 -CO2H 或其衍生物;
Z2 代表 F、H、-CO2H 或其衍生物;以及
X 代表氟化亚烷基;
或其溶解物、
例如全氟脂肪酸或其衍生物。
Novel aerosol formulation containing a polar fluorinated molecule
申请人:——
公开号:US20030194378A1
公开(公告)日:2003-10-16
The present invention relates to a stable pharmaceutical aerosol formulation intended for inhalation. The formulation contains an active substance, an aerosol propellant, a polar flurorinated molecule and an excipient. The preferred propellant is HFA 134a or HFA 227 or a mixture thereof.
The molecules of formula (I) are useful in treating diabetes, obesity, hypercholesterolaemia, hyperlipidaemia, cancer, inflammation or other conditions in which modulation of lipid or eicosanoid status or functions may be desirable. Formula (I): Z
1
-X-Z
2
wherein a) Z
1
represents CO
2
H or a derivative thereof; b) Z
2
represents F, H, —CO
2
H or a derivative thereof; and c) X represents fluorinated alkylene; or a solvate thereof, for example a perfluorinated fatty acid or derivative thereof.
式(I)分子可用于治疗糖尿病、肥胖症、高胆固醇血症、高脂血症、癌症、炎症或其他需要调节脂质或类二十烷状态或功能的疾病。式 (I):Z
1
-X-Z
2
其中 a) Z
1
代表 CO
2
H 或其衍生物; b) Z
2
代表 F、H、-CO
2
H 或其衍生物;以及 c) X 代表氟化亚烷基;或其溶解物,例如全氟脂肪酸或其衍生物。