What's the difference between dipropyl and paraffin?
Dipropyl
Definition:
(n.) One of the hexane paraffins, found in petroleum, consisting of two propyl radicals. See Hexane.
Example Sentences:
(1) (4) alpha and beta-adrenoceptor blocking agents and alpha-methyl-p-tyrosine failed to reduce the hyperactivity induced by 2-amino-5,6-dihydroxytetralin or the stereotyped behaviour induced by 2-(N,N-dipropyl)-amino-5,6-dihydroxytetralin.
(2) The effects of the adenosine antagonists, 1,3-dipropyl-8-p-sulphenylxanthine (DPSPX) and caffeine, on baroreflex activity were tested in normotensive Sprague-Dawley rats.
(3) The effect of a variety of aryl substituents on the potency and selectivity of 19 analogues of 1,3-dipropyl-8-phenylxanthine as antagonists at A1- and A2-adenosine receptors in brain tissue was determined.
(4) Other alkylxanthines including theophylline, enprophylline, isbutylmethylxanthine and 1,3-dipropyl-7-methylxanthine also showed dose-dependent reductions in body temperature.
(5) The P1-selective antagonist 1,3-dipropyl-8-cyclopentylxanthine (DPCPX) (3 microM) shifted to the right the log concentration-response curves of all these agonists except for AMPCPP, indicating that they all act via P1-purinoceptors.
(6) 1 Some 8-phenyl-substituted, 1,3 dipropyl xanthines have previously been demonstrated to have a 20-400 fold greater affinity for A1 binding sites in rat CNS membranes than for A2 adenosine receptors in intact CNS cells from guinea-pigs.
(7) An amine-functionalized derivative of 1,3-dipropyl-8-phenylxanthine has been prepared in tritiated form as a xanthine amine congener ([3H]XAC) for use as an antagonist radioligand for adenosine receptors.
(8) This response was mimicked by the serotonin1 agonist, 5-carboxamidotryptamine, as well as by the serotonin1a agonist, 8-hydroxy-dipropyl aminotetralin hydrobromide, and was blocked by spiperone, an antagonist of serotonin1 sites.
(9) The salutary effects of all drugs were reversed in the presence of the A1 receptor antagonist 1,3-dipropyl-8-cyclopentylxanthine (0.5 microM).
(10) Soil samples were collected from an untreated plot and plots receiving repeated applications of 2,4-dichlorophenoxyacetic acid (2,4-D) and alpha,alpha,alpha-trifluoro-2, 6-dinitro-N,N-dipropyl-p-toluidine (trifluralin); they were then plated on media specific for bacteria, fungi, and actinomycetes.
(11) In addition, the apparent affinity constants of 8-phenyltheophylline (8-PT) and 1,3-dipropyl-8-cyclopentylxanthine (DPCPX) in antagonizing the prejunctional effects of purinoceptor agonists were estimated.
(12) Finally, the possibility that the DA antagonist haloperidol, the DA agonist dipropyl-5,6-2-amino-6,7-dihydroxytetrahydronaphtalene (dipropyl-5,6 ADTN) and the alpha-antagonist phentolamine, could modify the excretion of free urinary catecholamines was investigated.
(13) with diphenylhydantoin (PHT) or sodium valproate (dipropyl acetate; DPA), or were thyroparathyroidectomized (TPX) to render them deficient in parathyroid hormone (PTH).
(14) The enantiomers of 3-PPP or haloperidol were injected in various doses to rats 1 hour after the established dopamine receptor ligand N,N-dipropyl-5,6-ADTN.
(15) Adenosine was ineffective if DPCPX (1,3-dipropyl-8-cyclopentyl-xanthine), a selective antagonist of adenosine A1 receptors, was present.
(16) This effect was not significantly inhibited by theophylline or 0.1 microM 1,3-dipropyl-8-cyclopentylxanthine (DPCPX), which antagonized phenylisopropyladenosine inhibition of isoproterenol-stimulated adenylate cyclase activity.
(17) Three biotin conjugates of 1,3-dipropyl-8-phenylxanthine bound competitively to the adenosine receptor, but only in the absence of avidin.
(18) Administration of the selective 5-HT-IA agonist 8-hydroxy-dipropyl-aminotetraline (8-OH-DPAT) resulted in a decrease in the synthesis rate of 5-HT.
(19) The influence of several opioid narcotics and related drugs, on the binding of [3H]8-hydroxy-N,N-dipropyl-2-aminotetralin.
(20) In the present study these compounds (1,3, dipropyl-8-phenylxanthine: DPPX; 1,3 dipropyl-8-(2 amino-4-chlorophenyl) xanthine: PACPX; 8-(4-(2-amino-ethyl)amino) carbonyl methyl oxyphenyl)-1,3-dipropylxanthine: XAC; and D-Lys-XAC) together with two that have not been reported to exhibit A1-receptor selectively (8-(p-sulphophenyl)theophylline: 8-PST; 8-(4-carboxy methyl oxyphenyl)-1,3-dipropylxanthine: XCC) have been evaluated as antagonists of the effects of 2-chloroadenosine in two isolated cardiovascular tissues.
Paraffin
Definition:
(n.) Alt. of Paraffine
Example Sentences:
(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.