(1) Flow cytometric DNA analysis was performed on both fresh and on paraffin embedded samples obtained by gastroscopic biopsies in 5 patients with histologically normal gastric mucosa (20 specimens) and by radical gastrectomies in 9 cases of human gastric cancer (36 specimens).
(2) Biotin-avidin immunoperoxidase analysis for hCG was performed on all paraffin blocks containing carcinoma-in-situ, grade I, grade II, and grade III transitional cell carcinoma.
(3) Using an antibody to the nerve growth factor receptor (NGFR), we examined dendritic reticulum cells (DRCs) immunohistochemically in 62 formalin-fixed, paraffin-embedded lymph nodes from patients with reactive follicular hyperplasia or with various types of lymphoma.
(4) In contrast, in paraffin as well as in frozen sections of chick oviduct, fixed by immersion or in vapor, PR was exclusively nuclear, including in the absence of progesterone, and the intensity of immunostaining was not modified by progesterone treatment.
(5) Using a silver staining technique (AgNOR technique), we have investigated the nucleolar organizer-associated proteins (NORs) in formalin-fixed paraffin embedded conjunctival specimens of 15 intraepithelial squamous carcinomas, 10 hyperplastic-dysplastic samples and 10 control epithelial fragments; the mean number of intranuclear black dots was determined for each case.
(6) This study shows that the sensitivity and specificity of in situ hybridisation for the detection of EBV genomes in AIDS related lymphomas approaches that of Southern blotting, even when using routinely processed archival, paraffin wax embedded material.
(7) Formalin-fixed, paraffin-embedded tissue was processed by the avidin-biotin complex method.
(8) This is the first report of anti-CD34 staining of acute leukemia in paraffin-embedded sections.
(9) The routine study of bone marrow trephine biopsies involves fixation, decalcification, paraffin-embedment, sectioning and staining.
(10) Paraffin sections (8 microns) containing the medial habenular nucleus were stained with cresyl violet and both left and right medial habenular nuclei were measured by planimetry.
(11) Formalin-fixed, paraffin-embedded tissue samples of canine amelanotic melanomas and normal canine tissues were studied immunohistochemically for the presence of S100 protein.
(12) Histological sections of formalin-fixed, paraffin-embedded tissue comprising 60 surgical specimens of human lung carcinoma were Feulgen stained.
(13) Urothelial cells were pepsin-extracted from paraffin-embedded specimens taken from human nontumorous bladder mucosa, dysplasia, and carcinoma in situ.
(14) Pieces of spleen of both groups were fixed in formalin and embedded in paraffin.
(15) Both methods, which are applicable to paraffin sections, were developed and validated in breast carcinomas with known ER content.
(16) We conclude that there appears to be no benefit from exceeding a concentration of 5% crude coal tar in yellow soft paraffin in the treatment of patients with psoriasis and that the plateau in the dose-response curve for the action of crude coal tar in psoriasis begins at a point between 1 and 5%.
(17) Mycobacterium avium-intracellulare (MAI) can utilize paraffin wax as the sole carbon source in basal media.
(18) Following biotinylation, it was used to detect mannose-specific binding sites in fixed cells of seven human leukemia or lymphoma lines and in fixed, paraffin-embedded sections of human breast cancer.
(19) The parotid saliva of the caries-rampant group showed a significantly higher level of anodemigrating proteins, predominantly isoamylases, and a significantly lower level of cathode-migrating proteins than that of the caries-resistant group in both paraffin-stimulated and sour lemon-stimulated salivary flows.
(20) Ten tissue sections from 10 examples of Bowen's disease were excised from paraffin blocks, rehydrated, and incubated in 90% formic acid at 45 degrees C for 18 h. The epidermis was gently removed with the aid of a dissecting microscope, and the remaining dermis with attached basal lamina was processed for scanning electron microscopy.
Petrolatum
Definition:
(n.) A semisolid unctuous substance, neutral, and without taste or odor, derived from petroleum by distilling off the lighter portions and purifying the residue. It is a yellowish, fatlike mass, transparent in thin layers, and somewhat fluorescent. It is used as a bland protective dressing, and as a substitute for fatty materials in ointments.
Example Sentences:
(1) These phantoms are made of bone ash suspended in white petrolatum in varying concentrations.
(2) This effect is quite marked and cannot be due solely to psychological effects of the rub therapy, or to effects of petrolatum without aromatics.
(3) This caused immediately a significant decrease in the capacitance of the cream treated sites, whereas a tendency towards higher values were noted on the petrolatum-treated sites.
(4) A thick viscous base (hydrophilic petrolatum) was more effective than a hydrophilic cream base (hydrophilic ointment), presumably because of greater occlusivity.
(5) Approximately half the number of patients preferred dithranol in petrolatum or Amitase stick and the other half preferred Micanol.
(6) Fifty normal control volunteers were patch tested to 20% neomycin as well as tobramycin 1%, 10%, 20% and 30% in white petrolatum.
(7) The spherules are altered red blood cells that form as the result of prolonged contact with necrotic fat or petrolatum-based ointments.
(8) The moisturizers were pure petrolatum and three oil-in-water creams.
(9) The effects of temperature and mechanical shear on the microcrystalline structure of petrolatum are examined; syneresis determinations and rheological methods are utilized as indicators of the integrity of this structure.
(10) The purpose of the present study was to evaluate compatibility between aluminium Finn Chambers and various mercurials either dissolved in water or dispersed in petrolatum (at the concentrations used in patch test clinics).
(11) New alcohol derivatives of N,N-disubstituted amino acids with a low toxicity have been synthesized and evaluated for their transdermal penetration enhancing effects on the transport of indomethacin from petrolatum ointments across shed skin of black rat snake (Elaphe obsoleta).
(12) However, a dressing of a tetracycline-steroid ointment in a petrolatum base and a hemostatic agent was placed in the tooth socket during surgery and the dressing may have allowed air into the deeper tissues.
(13) The other arm was similarly treated with the ointment base (white petrolatum USP) to provide the control area.
(14) Single doses of 14C-viprostol were administered topically to rats in three formulations: silicone oil, petrolatum base, and triethyl citrate (TEC).
(15) Bedridden individuals should use petrolatum, whereas the ambulatory would be better served by the use of lotions and creams.
(16) The ocular levels of tetracycline were increased by the vehicle in this ascending order: isotonic saline, 1.4% polyvinyl alcohol, 1% alpha-methylcellulose, and a 6:4 mixture of white petrolatum-mineral oil ointment.
(17) Patch-tests (20 p. 100 in petrolatum) were used in order to show this cross-sensitivity.
(18) The permeation of cortisone and benzoic acid applied in a petrolatum vehicle was determined in vivo in rats and with rat skin in the flow-through and static-diffusion cells.
(19) Qualitative and semiquantitative analysis using high-pressure liquid chromatography (HPLC) showed that dithranol (0.1%, 0.5%, 1.0%) remained rather stable in white petrolatum for 10 weeks, regardless of the presence or absence of salicylic acid.
(20) In the office or hospital, the usual measures are firm pressure, placement of a piece of cotton dipped in a cocaine-epinephrine solution, taking of a brief history, application of petrolatum, and taping of the nose.