On the stability of the ripple phase in the DPPC/PLPC/water ternary system
Biophysics; Biochemistry & Molecular Biology; gel; cholesterol; lysolecithin; membranes; nuclear-magnetic-resonance; water; transition; lipid bilayers; phospholipid-bilayers; Lipids; differential scanning calorimetry (DSC); lecithin; phosphatidylcholine; phosphatidylcholine bilayers; pretransition; scanning dilatometry (SD)
The effect of incorporation of 1-palmitoyl-sn-glycero-3-phosphocholine (PLPC) on the structure of the P-beta' ripple mesophase in aqueous dispersions of 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) has been studied by differential scanning calorimetry (DSC) and scanning dilatometry (SD). For samples containing 34 wt. % (H2O)-H-2 and 0-15 wt. % PLPC, a pretransition was observed by DSC. The pretransition disappears at 15 wt. % PLPC. The behavior of thermodynamic functions at the pretransition and main transition gives new insights on the structural changes produced by PLPC on bilayers of DPPC. (C) 1997 Elsevier Science Ireland Ltd.
Checchetti A; Chidichimo G; Golemme A; Grasso D; Imbardelli D; LaRosa C; Nicoletta F P; Westerman P W
Chemistry and Physics of Lipids
1997
1997-11
Journal Article or Conference Abstract Publication
<a href="http://doi.org/10.1016/s0009-3084(97)00086-8" target="_blank" rel="noreferrer noopener">10.1016/s0009-3084(97)00086-8</a>
Introduction
becaplermin; costs; Dermatology; disease; efficacy; extremity diabetic ulcers; gel; growth factor-bb; neuropathic foot ulcers; prevalence; safety; Surgery
Mostow E; Regulski M
Wounds-a Compendium of Clinical Research and Practice
2014
2014-01
Journal Article
<a href="http://doi.org/10.1515/9780824841577-003" target="_blank" rel="noreferrer noopener">10.1515/9780824841577-003</a>
Differences in the integration pattern and episomal forms of human papillomavirus type 16 DNA found within an invasive cervical neoplasm and its metastasis.
Carcinoma; DNA; Electrophoresis; Female; Gel; Humans; Neoplasm Metastasis; Papillomaviridae/*genetics; Plasmids; Squamous Cell/*microbiology/pathology; Two-Dimensional; Uterine Cervical Neoplasms/*microbiology/pathology; Vaginal Neoplasms/microbiology/pathology/secondary; Viral/analysis; Virus Integration
Human papillomavirus (HPV) type 16 DNA was found in three separate neoplastic lesions within a female patient. The physical state of the viral DNA in each lesion was determined by two-dimensional agarose gel electrophoresis. The primary cervical tumor contained large amounts of several distinct episomal forms as well as integrated HPV DNA. Metastatic tumor tissue found in the vagina had greatly reduced levels of episomal DNA and a viral DNA integration pattern that was different from that of the primary tumor. The vulvar carcinoma in situ had what appears to be free and integrated forms of viral DNA. The results show that although metastatic tissue retained HPV DNA, further rearrangements of the integrated viral DNA pattern found in the primary tumor may occur with a dramatic decrease of episomal forms during malignant progression.
Galehouse D; Jenison E; DeLucia A
Virology
1992
1992-01
Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
<a href="http://doi.org/10.1016/0042-6822(92)90093-5" target="_blank" rel="noreferrer noopener">10.1016/0042-6822(92)90093-5</a>