Perchloric Acid (Perchlorates)

10/01/2004 - "In vitro 1H-NMR spectra were also collected from perchloric acid extracts of some spinal tumors. "
06/01/1999 - "Perchloric acid extracts of the tumor and the ipsilateral and contralateral hemispheres were analyzed by 13C-NMR spectroscopy. "
11/01/1997 - "A perchloric acid-soluble protein extracted from goat liver and designated as UK 114 is known to be expressed over the cell membrane of (some) human cancer cell lines. "
07/01/1994 - "1H and 31P magnetic resonance spectra were acquired from perchloric acid extracts of seven Dunning R-3327 prostate tumor sublines. "
03/01/1992 - "At the completion of the in situ 13C NMR experiments, tumors were freeze clamped, and perchloric acid extraction was performed. "

07/01/1987 - "31P nuclear magnetic resonance (NMR) studies were conducted on perchloric acid extracts of the brain of one control, two Huntington's disease (HD), one probable Alzheimer's disease (AD), and one AD patient. "
05/01/1996 - "Several previous studies have shown metabolic abnormalities in perchloric acid extracts of postmortem Alzheimer's disease (AD) brain by both proton (1H) and phosphorus-31 (31P) magnetic resonance spectroscopy (MRS). "
11/15/1991 - "Abnormal tau proteins (PHF-tau) were isolated from Alzheimer's disease brains by treatment of paired helical filament enriched-fractions with perchloric acid and boiling of the acid precipitable fraction with beta-mercaptoethanol. "
08/01/1992 - "We used proton nuclear magnetic resonance spectroscopy in this preliminary study of perchloric acid extracts of 12 Alzheimer's disease (AD) and five control brain samples to measure the relative levels of taurine, aspartate, glutamine, glutamate, gamma-aminobutyric acid (GABA), and the putative neuronal marker, N-acetyl-L-aspartate (NAA). "

06/01/1994 - "1H NMR spectroscopic characterization of perchloric acid extracts from breast carcinomas and non-involved breast tissue."
05/01/2005 - "To discern further the changes in metabolic profiles of tumors observed in vivo, high-resolution in vitro 1H-decoupled 31P MRS studies were carried out with perchloric acid extracts of mammary carcinoma tumors excised after similar treatments. "
01/01/1999 - "Perchloric acid-soluble proteins from goat liver inhibit chemical carcinogenesis of Syrian hamster cheek-pouch carcinoma."
01/01/1997 - "The effect of 5-fluorouracil (5FU) on the 31P nuclear magnetic resonance (NMR) profile of a mouse mammary carcinoma, implanted on the foot of CH3/He mice, was studied both in vivo and in perchloric acid extracts. "
06/01/1995 - "The effect of cyclophosphamide on the metabolic profile of a mammary carcinoma implanted on the foot of mouse was studied by 31P NMR spectroscopy both in vivo and in perchloric acid extracts. "

01/01/1991 - "Nuclear magnetic resonance (NMR) spectroscopy was used to study the metabolism of cells from the central nervous system both in vitro on perchloric acid extracts obtained either from cultured tumoral cells (C6 rat glioma) or rat astrocytes in primary culture, and in vivo within the human brain. "
04/01/2006 - "Cultured C6 ATCC rat glioma cells were used as models for this purpose and metabolites were extracted with perchloric acid at three different growth curve stages: log, confluence and post-confluence. "
03/01/1999 - "Perchloric acid extracts of six high-grade and six low-grade gliomas were analyzed by 1H MRS at 9.4 Tesla. "
01/01/1996 - "13C-NMR spectroscopy of perchloric acid and lipid extracts of F98 glioma cells showed that volume-regulatory processes under anisosmotic conditions were accompanied by marked alterations in cellular metabolism. "
11/14/2003 - "Programmed cell death was induced by HSV-tk gene therapy in rat BT4C glioma cells, and metabolite changes associated with cell damage were monitored in vivo by 1H NMR spectroscopy and ex vivo by high resolution magic angle spinning (HRMAS) 1H NMR, and in vitro in perchloric acid extracts of tumors. "

01/01/2009 - "In vitro studies using perchloric acid extracts and ex vivo magic angle spinning spectroscopy of intact biopsy tissues have been used to identify detectable metabolic alterations in breast cancer. "
08/01/2002 - "In this study HR MAS spectra of breast cancer tissue from 10 patients have been compared to conventional high-resolution spectra of perchloric acid extracts of the same tissue type. "
06/01/1994 - "High-resolution 1H NMR spectra were obtained from perchloric acid extracts of breast tumor specimens and adjacent non-involved tissue. "
06/01/1991 - "Phosphorous 31 (31P) nuclear magnetic resonance (NMR) spectra were recorded from perchloric acid extracts of benign and malignant breast tumors. "
06/01/2004 - "Using one-dimensional (1D) and two-dimensional (2D) proton nuclear magnetic resonance (NMR) methods, the perchloric acid extract of involved (n = 11) and noninvolved (n = 12) axillary lymph nodes (ALN) of breast cancer patients was investigated. "