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Results 301 - 350 of 539
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Agil A - - 1999
The antihepatotoxic activity of elaterium (dried juice of the fruits of Ecballium elaterium, Cucurbitaceae) and cucurbitacin B (isolated from the juice) was studied against CCl4-induced hepatotoxicity. Pre- and posttreatment with elaterium and cucurbitacin B reduced CCl4-hepatotoxicity, as shown reduction in the anormally increased sGPT levels. Posttreatment caused a significant reduction ...
Shackelford S D - - 1999
Experiments were conducted to develop an optimal protocol for measurement of slice shear force (SSF) and to evaluate SSF as an objective method of assessing beef longissimus tenderness. Whereas six cylindrical, 1.27-cm-diameter cores are typically removed from each steak for Warner-Bratzler shear force (WBSF) determination, a single 1-cm-thick, 5-cm-long slice ...
Kishikawa M - - 1999
Genetic variants of transthyretin (TTR) cause systemic amyloidosis and wild-type TTR may also in some situations produce amyloid fibrils. We have analyzed wild-type and variant TTRs by mass spectrometry and found that TTR preparations from all individuals demonstrated free TTR, TTR conjugated with thiol compounds and several minor components. We ...
Suzuki M - - 1999
To study the effect of meal timing after exercise on body composition, 20 male rats were assigned to either a group fed a meal right after exercise (R) or a group fed a meal 4 h after exercise (L). Resistance exercise (squatting) was conducted from 6:00 to 7:00, 3 d/wk ...
Walsh M J - - 1999
OBJECTIVE: As part of a randomized clinical trial to determine the efficacy of chiropractic therapy on premenstrual syndrome (PMS), subjects were evaluated for initial underlying spinal dysfunction. SUBJECTS: Fifty-four subjects with diagnosed PMS (using a Moos PMS questionnaire plus daily symptom monitoring) and 30 subjects with no diagnosable PMS were ...
Tuccari G - - 1999
We have investigated the quantity of argyrophilic nucleolar organizer region (AgNOR) proteins in vastus lateralis muscle samples from 13 patients with Duchenne muscular dystrophy (DMD) (6 months-12 years), 9 with Becker muscular dystrophy (BMD) (13 months-36 years), 9 with polymyositis (PM) (8-77 years) and 10 normal subjects (5 months-32 years). ...
Mansour M - - 1999
The effects of nisin and monolaurin, alone and in combination, were investigated on Bacillus licheniformis spores in milk at 37 degrees C. In the absence of inhibitors, germinated spores developed into growing vegetative cells and started sporulation at the end of the exponential phase. In the presence of nisin (25 ...
Nufer O - - 1999
Epithelial cell-derived neutrophil-activating protein-78 (ENA-78) is a potent stimulator of neutrophils, inducing a variety of biological responses such as chemotaxis, enzyme release, up-regulation of surface receptors, and intracellular calcium mobilization. Proteolysis of ENA-78 with cathepsin G and chymotrypsin yielded a time-dependent increase in elastase-releasing activity, predicting the formation of truncation ...
Deyoung D J - - 1999
There have been a number of studies conducted during the past two decades that convincingly demonstrate that license suspension and revocation are some of the most effective countermeasures currently available for attenuating the traffic safety risk of problem drivers. At the same time, it is also known that most suspended/revoked ...
Sanz C - - 1999
At the Chimpanzee and Human Communication Institute, caregivers provide the 5 chimpanzees who reside there with many different forms of social, food, habitat, and object enrichment. In this study, we examined the chimpanzees' use of both semipermanent and temporary objects. Semipermanent objects included cargo nets, climbing structures, a treat mound, ...
Springer M S - - 1998
Alternative hypotheses in higher-level marsupial systematics have different implications for marsupial origins, character evolution, and biogeography. Resolving the position of the South American monito del monte (Order Microbiotheria) is of particular importance in that alternate hypotheses posit sister-group relationships between microbiotheres and taxa with disparate temporal and geographic distributions: pediomyids; ...
Waterborg J H - - 1998
The dynamic character of core histone post-translational acetylation in the unicellular green alga Chlamydomonas reinhardtii was studied by tritiated acetate incorporation. Histone H3 is the major target of acetylation, steady state, and in pulse and pulse-chase analyses. Acetylation turnover rates were measured by tracer labeling under steady-state conditions. Half-lives of ...
Saldanha C J - - 1998
The vertebrate hippocampus (HP) plays a critical role in the organization of memory. Estrogens alter synaptic morphology and function in the mammalian HP and may potentiate memory performance. Previous studies suggest that the songbird HP itself is a site of significant aromatase expression, intimating that local estrogen synthesis may provide ...
Schmidt H - - 1998
The purpose of the following clinical study was to determine the prevalence, size, sex and side predilection of supernumerary nipples. Out of 502 patients, 28 (5.6%) exhibited a supernumerary nipple of small (only areola with diameter less than 30% of normal areola) or middle size (areola with nipple, diameter 30%-50% ...
Genton P P Centre Saint Paul, Marseille, - - 1998
We report a case a carbamazepine (CBZ) intoxication with negative myoclonus that occurred 4 weeks after clobazam (CLB) had been added to a stable regimen of CBZ and topiramate (TPM). Both CBZ and CBZ-epoxide (CBZ-E) blood levels were elevated, and the symptoms resolved quickly when CBZ dosage was reduced and ...
Denzinger A A Lehrstuhl Tierphysiologie, Universität Tübingen, Germany. - - 1998
Four Eptesicus fuscus were trained in a range discrimination experiment to choose the closer of two phantom targets. Echo attenuation was roving between trials returning echoes ranging from -10 dB to -50 dB SPL (sound pressure level) relative to emission SPL. Discrimination thresholds were determined. After sufficient training, ranging performance ...
Duckett S K - - 1998
The longissimus muscles (LM) from 12 lambs (eight = callipyge [CLPG] and four = normal [NML]; 48 kg) were used to 1) assess the effect of freezing with or without prior immersion in liquid nitrogen on calpastatin activity (CA) and on Warner-Bratzler shear force (WBS) in CLPG, 2) determine the ...
Hegde R - - 1998
Seeds of Ricinus communis contain two types of lectins; the toxin ricin (approximately 60 kDa) and R. communis agglutinin (approximately 120 kDa). The toxin is a heterodimer composed of a toxic A subunit and a lectin B subunit, while R. communis agglutinin is a tetramer, constituted of two ricin-like dimers ...
Power H J - - 1998
The use of synthetic antimalarial compounds played a secondary role to the use of residual insecticides in post World War II antimalarial control and eradication campaigns. The discovery of chloroquine-resistant malaria in South East Asia and South America prompted an intensification of antimosquito measures, rather than a thorough investigation of ...
Koltyn K F - - 1998
The purpose of this investigation was to examine whether psychological responses to exhaustive exercise would vary if the exercise was performed in the AM or PM. Sixteen men completed the State-Trait Anxiety Inventory and the Profile of Mood States before and following two exhaustive exercise sessions in the AM (0630-0930h) ...
Sharma V K - - 1998
BACKGROUND: Laxative pretreatment decreases the volume of polyethylene glycol electrolyte lavage solution (PEG-ELS) required for colonoscopy without compromising preparation quality. We compared the use of 4 L of PEG-ELS with the use of 2 L plus a laxative. METHODS: One hundred fifty consecutive patients (148 men) undergoing outpatient colonoscopy were ...
Sharma V K - - 1998
Three hundred and fifty six patients (234 males, 122 females) with alopecia areata were classified according to Ikeda's classification. The common type of alopecia areata was most frequently seen in 239 (67.13%) patients, followed by atopic in 60 (16.85%), prehypertensive in 48 (13.4%), and autoimmune/endocrine in 9 (2.52%) patients. Severe ...
Laurinavicius R - - 1998
To determine the range of the threshold acceleration (a-threshold) for the gravitropic stimulation of Lepidium sativum L. roots and hypocotyls, experiments were performed on a centrifuge-clinostat with two-orthogonal axes. The rotation rate of the clinostat was 4 rpm (< or = 1.8 x 10(-4) g), while that of the centrifuge ...
Kimber S L - - 1998
Despite an initial problem of seasickness I thoroughly enjoyed my five weeks at sea on board HMS Roebuck. Having to make medical decisions can be somewhat daunting. However, you always have back up radio support if required. Although only at sea for a short time, my experience has given me ...
Storgaard T - - 1997
The aims of the present work were to compare the modulating effect of angiotensins I, II, III, IV and (1-7) [AI, AII, AIII, AIV and A(1-7) respectively] on stimulation-evoked noradrenaline release from postganglionic sympathetic nerves in rabbit isolated aorta; to examine the influence of inhibiting the neuronal and extraneuronal uptake ...
Rokach A - - 1997
The present study examined the influence of incarceration on sources of loneliness. It was hypothesized that incarcerated offenders would perceive the causes of their loneliness differently than a general population sample. 145 male offenders and 112 men from the general population who were recruited on a voluntary basis, reported the ...
Maki W S - - 1997
Observers watched for 1 or 2 colored words as targets presented in lists of distractor strings (10 items/s). Identification of 1 target (T1) temporarily reduced the accuracy of reporting a 2nd target (T2). This attentional blink (AB) effect was most pronounced when T1 and T2 occurred close together in time. ...
Wells J K - - 1997
OBJECTIVE: Sobriety checkpoints are an effective deterrent to alcohol-impaired driving although a substantial proportion of drinking drivers who pass through checkpoints are missed. The present study was designed to determine the extent to which police officers correctly identify individuals with blood alcohol concentrations (BACs) at or above 0.05% at checkpoints, ...
Cavalier A - - 1997
Since ceftriaxone and itraconazole are highly protein bound, are excreted via a biliary pathway, and are in vitro modulators of the efflux pump P glycoprotein, a pharmacokinetic interaction between these antimicrobial agents can be hypothesized. Therefore, we evaluated the pharmacokinetics of itraconazole and ceftriaxone alone and in combination in a ...
Tian H - - 1997
AIM: To compare cycleanine (Cyc), insularine (Insr), insulanoline (Insn) and verapamil (Ver) in modulation of multidrug resistance (MDR) in vitro. METHODS: The cytotoxic effect was determined by 3-[4, 5-dimethylthiazol-2-yl], 5-diphenyl tetarzolium bromide (MTT) assay. The intracellular doxorubincin (Dox) accumulation was assayed by spectrofluorometer. RESULTS: Cyc, Insr, Insn, and Ver showed ...
Gang F Y - - 1997
1. 2900 commercial layer-type cockerel chicks were reared on the floor from 1-day-old to 9 weeks of age. 2. The growth curve of the cockerel chicks was [formula see text] 3. The feeding costs (US$) of layer-type cockerel chicks were described by the equation Y = a + bx + ...
Peever J H - - 1997
We investigated whether resting ventilation and the hypercapnic ventilatory response vary with time of day in awake adult rats. Respiratory frequency (fR), tidal volume (VT), inspired ventilation (VI), inspiratory interval (tI), carbon dioxide production (VCO2) and abdominal temperature (Tb) were measured before and during a hypercapnic stimulus (3.5% CO2 in ...
Noguchi H - - 1997
Experiments were conducted to examine the relationship between an onset of diapause and dopamine (DA) content in the cabbage armyworm Mamestra brassicae during pupation. The DA levels were significantly higher in haemolymph, integument and brain-central nervous system of diapause-destined pupae than in non-diapause-destined pupae. The elevated level of the integumental ...
Kearns H P - - 1997
The shear forces necessary to remove ceramic brackets from human premolar teeth using mechanical and electrothermal debonding techniques were compared and the post-debond enamel characteristics were evaluated. The temperature rise in the pulp cavity during electrothermal debonding was recorded. The samples were tested sequentially on a shear jig attached to ...
Shackelford S D - - 1997
We conducted three experiments to determine the effects of the callipyge phenotype on the tenderness of several major lamb muscles and to determine the effect of method of cookery on the tenderness of callipyge lamb at 7 d postmortem. In Exp. 1, chops from normal (n = 23) and callipyge ...
Kaske M - - 1997
The aim of the study was to evaluate the functional role of reticular contractions for digesta passage in sheep. Feed intake, mean retention time of fluid and plastic particles in the reticulo-rumen, rumen fluid volume, forestomach motility and particle size distribution in the faeces were determined in five rumen-fistulated sheep ...
Ackroyd R - - 1997
Barrett's esophagus carries a 10-15% lifetime risk of malignant change, and dysplasia may be an early indication of such transformation. Endoscopic surveillance is widely practised but guidelines have not been established. A questionnaire regarding surveillance protocols was sent to all consultants in the Trent Region performing endoscopy (n = 79), ...
Monari C - - 1997
Vascular access recirculation is one of the main factors influencing dialysis efficiency. The underestimation of or mistakes in the measurement of access recirculation causes a discrepancy between dialysis prescription and the actual dose of dialysis administered. Moreover, access recirculation is known to increase during a dialysis session. Therefore, the evaluation ...
Mason T - - 1997
1. The lunar cycle's influence over psychological disturbances in the human being is known as the Transylvanian effect. 2. Seclusion is used predominantly for the control and management of violence and aggression in patients. 3. If the Transylvanian effect is supported, a relationship between lunar cycles and the use of ...
Cunha R A - - 1997
The possibility that Ureaplasma urealyticum might play an important role in human infertility was first raised more than 20 years ago, but this association remains speculative. Considering the hypothesis that the pathogenicity of Ureaplasma urealyticum may depend on its serotypes, the clastogenic effects of different strains of Ureaplasma urealyticum, at ...
Groves R L - - 1997
Adult mortality of Anopheles quadrimaculatus, Culex quinquefasciatus, and Aedes sollicitans was observed following ultra-low-volume (ULV) exposure to Responde, Permanone 31-66 RTU, and Scourge. Permanone 31-66 RTU (1:2.13, permethrin:PBO) and Scourge (1:3, resmethrin:PBO) were applied at 0.00175 lb AI/acre, while Responde (1:3, prallethrin:PBO) was applied at 0.001 lb AI/acre, and all ...
Boleman S J - - 1997
A study was conducted to determine consumer perceptions of beef top loin steaks of known shear force and to evaluate how buying trends were modified by the tenderness and price variations of these steaks. Strip loins were cut into a 2.54-cm-thick steaks, and the center steak from each strip loin ...
Wielders S - - 1997
The area under the thrombin generation curve (the endogenous thrombin potential; ETP) has been proposed as a parameter for plasma-based hypercoagulability and to monitor anticoagulant treatment. We present an ETP assay for the routine laboratory using a centrifugal analyser. Throughput is 30 samples/h, within and between run imprecision is 4-5.6%. ...
Li X A - - 1997
The effects of extended SSD (ESSD) on orthovoltage x-ray therapy dosimetry have been studied for a Therapax DXT300 treatment unit with several open- and close-ended cones. For the open-ended cones, the beam output and percentage depth dose (PDD) at ESSD can be accurately estimated from the measured data at the ...
Nowak D - - 1997
To study the effect of environmental tobacco smoke (ETS) exposure in the evening on nocturnal changes in airway tone and responsiveness, 17 subjects with mild asthma (mean +/- SD age, 26 +/- 5 years, FEV1% pred., 89 +/- 14%) were exposed to either ambient air (sham) or ETS (20 ppm ...
Zwicker C - - 1997
The purpose of this work was to evaluate the enhancement of different concentrations of gadolinium (Gd), ytterbium (Yb) and iodine in vitro and in vivo. Comparisons were made of the enhancement (HU) of Gd, Yb and iodine in concentrations ranging from 0.1 to 30 mg/ml. In vivo dynamic CT studies ...
Eamsila C - - 1996
Thai soldiers who were conscripted, Royal Thai Army forces, professional Border Patrol Police, or local militia (Thai Rangers) located in any of seven provinces of Thailand were bled in April and again, four months later, in July 1989. In 1991, soldiers from five different locations in southern Thailand were bled ...
Gerberich S G - - 1996
Compared with the estimated injury fatality rate for workers in all occupations (nine in 100,000 in 1988) the farm fatality rate (48 in 100,000) was among the highest in the nation; in 1993, these rates were eight and 35 in 100,000, respectively. On-road farm-vehicle fatalities have been identified as a ...
Sanna L J - - 1996
Four studies investigated the prefactual (alternative preoutcome predictions) and counterfactual (alternative postoutcome "what might have beens") mental simulations of defensive pessimists and optimists. In Study 1, defensive pessimists engaged in upward (better than expected) prefactual thinking, whereas optimists engaged in downward (worse than actuality) counterfactual thinking in reaction to a ...
Teubner A - - 1996
Actin tropomyosin filaments were sheared to produce short filaments. Following incubation for 0 to 10000 s annealing of the filaments was assayed by determination of the rate of polymerization of monomeric actin onto the filament ends. The rate of decrease of the concentration of filament ends was found to be ...
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