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Mr * - ~3ota L . Oplercaann eBtertalneJ lira. I * , k GallDway; lira. The following pupils had parfaet Chafjtst Wrar. l i r vmitaffl R r -- ' attendance during: the month of Dt a JUra. WUUam ffrfntti j "brfdaw parrj- Ifoadar afUmoon. I camber In the publics schools: ara numbera of a French chtb COTTAGE VAX iCHOOL On&u f and r. A. u. Schmidt, u -- speak nothbuj. hut French at. tba ||--Bdna ttnuaJU. OasTSiaa HM. Dwi * brMr * parttaet Mimttmr u i m Rosa, * w Maa ju: aTr Robert Cflirstetkr. Andelrb. * 'rnTrrJ Eiward Asian, l l u i anew, auBjaa ; Lmtiitrstc, Fraak Mlno, G u n xUadlaar, InaUd i r J Smith Car preat"John Scvrss. dent, U u . Gertrude Thfcnr t vfca i Urada 1. V K. * kl| * T * to: , eld Abnunuob ftaiir WMk , . , pnstdent. Urn. A, C Qnast f a r * Brer ano. Urn. LcAUa N u n ftf MeI Cuffs * . MsiSaiae C b wAbraham. Oasraa r c u Daili9 ABB * Karl * w , Bajna ol Lencr The official board of th * HathoeUs * * r * ti h mat ! * " * jfc * ax tfaf tMlfne day nornlng at the htgh acbeol bu iwtnx b y Dr. Dora of Glen Oardnar I Vlstb, UlctMTi Tnmbhr, O s i l WUr. n f T The Rniijy-artiaol aanltarmm, assisted fay Mrs, TOulsA j u z Tneaday 1 tint, Otnf Blukaiira, Vtm aaaioaa. Cnwfcrd. pshtls hsnlth t r a lalse CilttJiifit; !!; , E i s s CuS EUa baby ctbtlo was held yesterday by Dr. r . A. BuRwfn1m1. JiCait Wt, KlMred Bdt * nadaiT1lrnte |l OiJe I, Ktlen P. t u tesiL.-- Tba mayor and council visited tha I Kuisne Bsder. Jtmm Callss, Xaa UBLV Red Bank water wtnica Sunday to M l Kawmrt . I Stew Hlt|Jkar, J g n h BooBtr, Rsoart [ Ssppsh. Hry BmlU. Wllllan OtuUno, tha waek-and vUxt bar paraaia, a b - Dhaerta tha oparattaa at O n ptant, I P t r Waiblaawn. rnak TMhsskL Aanw and lira, Edward CiUas, C * * * Mr. and, Mrs. Hjqps Ktbrft of b o Mil * tiunsr. are * Vf * KuetsA Jtiwn y . Virginia, ara the parents of a I am, Antanilt * atarsarst Ifnaa. K i n daughter bora text waek. Mrs. irr Bsrmhr i ledlir- TMnaa Usxtt CaldwttL She waa tormtrly U VatVafM pobUa health suraa here, John lanannnaua, " " ! w Nu. rfaqq CalUwtrkllo, HUaalia' Botfca. A apeclal aiMtlhg of tha Bra deI Ctirlts Oefhasi. Bunl Ksrir, Tsisasa I MaJltttrlflr, Ws|ia Xtitlfi. Bltaart Nai * srry Hhw Caarrtnw Foebtr. Itaa 1B- partment wtQ be bald Friday night I ten, JUmtrl Rhnlt. Mlc * l HqtHna. Hah. f U t wae I n n BcnmuiTa of tola week t s take a n l recxrdI btrt WlaUB * . Wtlllast WaiUaaus Cenv ataan awt * ! btrtrwtiy. taui tha new Bra alarm bora on tha lilfaroMMC. ilmmt Inlllfsn, " Qrad * 1, J. X. attmaak. Uubsi--gar. ftrtteuaa. H s a toqirMxrt 4laMorn -- saHsfartton wtth tha aperaUon of J. Baraer H er. tba born. kr. Vlttas Mw The fust O H aqoad OBswirad \St - l e w Maria * eaOa l a I tha a a m Bsmber a s tba prtrkma j a t Tba oaui were trul-- r . and p n a tba trarieUai obisdatd oa tanows: persoaa treated , s n l t ooddanta, l i t rsmoraU, 110 and t a i aJarms, * , B m n t calls VarB WSBMU 'B. Ssbgtal, ItsUa Uotboa, I CJisrlsi Conregr. Osern Muraosbxe. I M B Bawred m December, Itjar, Walur Bate. Hsrisl Osasaw, Ma * I Cirter, Chiluna Busts * , Mimrt rtsB OaancUmaa and Mrs. I M , Adsie Hans. I I S risauaav BseU * VarUo ara kept Indoors I YeDRiuiar. Martanl IMewatd * MlMssd I Hutton, Wllllan r a e Peti. I Waluc Kutun, XJikard Uattaslt abrthjt The Infant daughter ot Mr. and I Uiubaib, Kstbrra Beartea 11 vritatmnti Avsnnisi i 1 HSia ActcfiMts s s o aisdes I U d Sat ara oroaiid a j s otter B * lng bssn I HHr. 'J VJJ rrsrb CaBUlla, aejrha. ItM v s with grip. Others on tha sick list o n Btlu Margaret UcCrsa, Josapb McVeyend John K o a Br. l t r uftrrtnf t r w bis throat The Toung l * o l sodality will held a "prosperity nance" Friday Bight, January Utb, In I t A BAtUtorlinn. Haokstt's cwnaatra will M v t tha onala. M I n Janet Kridal Vttbk . I k Wsi m crialnnsii of tha wnunltUe In t s Aaaa Bsk HVuiiLt I w s taarsjaj of th * affair. u Baion r t a KillerL Aaaa, Wit The, Sowlell agency has ranted Hie . -- r, S'tail Wtnstb Osaife ttansa. O a i HjMebrast house to Mr, and Mrs. I leti * Wlaia, Rioaalbi Weuaa. i l l Tba oaanctal oatultUea of t o bor' i U | bdtfin ib be * I eugh eounei ; at Thttranay nhjol-a I maittor. and It la ittefc ttat b o t.
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Fig. 1. Effects of intratracheal instillation of BL on hydroxyproline content and specific [3H]WEB2086 binding in hamster lung. A single dose of BL 7.5 U kg 5 equivalent volume of saline as control ; was instilled by the transoral route under pentobarbital anesthesia. Hamsters were sacrificed at different days after the treatment, and their lungs were excised and homogenized. An aliquot of the homogenate was used for measurement of hydroxyproline Hyp ; and its value expressed as micrograms per lung A ; . The remaining homogenate was used for receptor preparation, as described in "Materials and Methods." The [3H]WEB2086 binding was performed by incubating the receptor preparation with 25 nM [3H]WEB2086 in the presence or absence of 10 M unlabeled WEB2086. The specific binding B ; was calculated by subtracting nonspecific binding from total binding and is expressed as femtomoles of [3H]WEB2086 per milligram of protein. Data for both control and BL-treated groups are presented as the mean S.D. of five hamsters.
This VIP is supplied with a window located above the door to let air into the compartment, enter the latrine chamber and rise through the vent pipe. A lid should not be used since it hinders the airflow. To keep flies away, door and window should be located either at the north or south directions in order to avoid entry of direct sunlight inside the latrine room World Bank, 2006 ; . There is no information on how possible emptying would be carried out. The conventional Pit Latrine is basically the same as a Simple Pit Latrine and it is included in the manual since its salient features and proper maintenance need to be carefully explained to enable effective use. The Lid Latrine is the same concept but up-graded with a lid. The Double VIP is supposed to last life long but how is not clearly explained. Emptying is usually inconvenient for a VIP unless it is carried out through mechanical suction, hence the assessment is based on the assumption that the bottom of the VIP not is sealed and that construction of a new pit is required when the first one is full Table 4.
It is your right to ask for a different health care provider if you do not feel comfortable with the one you have. It's your right to bring someone, like a relative or a friend, into the exam room with you. None of this should hurt, although it might be uncomfortable. If you feel any pain during the exam, tell your health care provider. Be familiar with your body so you know when anything changes. Ask questions! This is an especially great opportunity to ask about sex and STD and pregnancy prevention methods. If you don't want to be contacted at your home with your test results, make sure you speak up about this! You can call your provider to find out the results of your tests.
Tion, respondents were asked to report annual household income from all sources. We combined response categories less than 000 and 000 to 999, and response categories 000 to 999 and 000 to 999. We categorized reported annual household income into 6 levels: less than 000, 000 to 999, 000 to 999, 000 to 999, 000 to 999, and 000 or above. For contextual purposes in 2002, the federal poverty level for a single individual residing in the 48 contiguous states or the District of Columbia was 60, whereas for a family of 3 it was 020.27 We categorized the sample by the following sociodemographic characteristics, all of which were included in our analyses after testing for multicollinearity: age, sex, race ethnicity, employment, education, marital status, household size, and state of residence, as well as self-reported health status.
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Florido-Lopez et al. Allergy to natural honeys and camomile tea. Int Arch Allergy Immunol; 108: 170-174, 1995. Hausen BM, Vieluf IK. Allergiepflanzen Pflanzenallergene; Handbuch und Atlas der allergie-induzierenden Wild- und Kulturpflanzen, 2. A. M n chen, 1997. Jensen-Jarolim E et al. Fatal outcome of anaphylaxis to camomile-containing enema during labor: A case study. J Allergy Clin. Immunol: 102; 1041-1042, 1998. Jovanovic M, Poljacki M, Duran V, Vujanovic L, Sente R, Stojanovic S. Contact allergy to Compositae plants in patients with atopic dermatitis. Med Pregl.; 57 5-6 ; : 209-18, 2004 and pentostatin.
Respiratory failure may require intubation and ventilation. Signs of respiratory failure include tachypnoea, dyspnoea, use of accessory muscles, poor chest expansion, poor air entry, cyanosis, low oxygen saturation and hypoxia and or hypercapnia on arterial blood gases, if these are available. Breathing may also be helped by sitting the patient up, deep breathing, coughing and chest physiotherapy. If available, some patients may benefit from continuous positive airway pressure CPAP ; or non-invasive ventilation NIV ; . In the short term e.g. while preparing to intubate ; , assisting breathing with an Ambubag and mask with a PEEP valve if possible ; can be helpful. Remember that unless you are assisting breathing, patients find it difficult to breathe through an Ambu valve and a simple mask with reservoir bag will achieve more effective oxygenation. A Waters circuit is a suitable alternative see Figure 1 ; . Intubating critically ill patients has significant risks. They have little oxygen reserve, and despite full preoxygenated will desaturate quickly. Fluid resuscitation should be started while preparing to intubate, but expect the blood pressure to drop significantly and have a vasopressor agent drawn up. Ketamine may cause less hypotension than other induction agents. Patients who are moribund and have a depressed level of consciousness may not tolerate any sort of intravenous agent. Occasionally it is wise to intubate such patients without sedation, using a local anaesthetic agent sprayed through a cannula onto the larynx under direct laryngoscopy.
Induction of diabetes and DKA. This study was conducted in accordance with the Animal Use and Care Guidelines issued by the National Institutes of Health using a protocol approved by the Animal Use and Care Committee of the University of California, Davis, California. Four-week-old 150-g ; normotensive Sprague-Dawley rats Charles River Laboratories, Wilmington, MA ; were given an intraperitoneal injection of 150 mg kg STZ in 0.05 mol l citric acid Sigma, St. Louis, MO ; , pH 4.3. Control rats received an injection of 0.05 mol l citric acid only vehicle for STZ ; . To prevent hypoglycemia, rats were given unlimited access to D10W water with 10% dextrose; Fisher Scientific, Santa Clara, CA ; in the first 24-h period after STZ injection. Subsequently, rats were allowed unlimited access to tap water and food standard rat diet ; . Each day rats were weighed and urine glucose, ketoacids assessed as acetoacetate ; , and pH were evaluated using Multistix urinalysis strips Bayer; Fisher Scientific ; . Significantly elevated urine acetoacetate was seen within 2 weeks after STZ injection. DKA was considered to be present when urine glucose concentration was 2, 000 mg dl and urine acetoacetate concentrations were 160 mg dl. Twenty-four hours before imaging, rats were deprived of drinking water to induce dehydration and ensure acidosis. Magnetic resonance diffusion-weighted imaging analysis of brain edema. For imaging, rats were anesthetized using Na pentobarbital 65 mg kg i.p. ; . The left femoral vein was then cannulated with PE-50 polyethylene tubing for additional anesthesia as needed ; , for administration of compounds to be tested, and for blood sampling. In experiments using nephrectomized rats, a dorsoventral incision was made into the abdominal cavity, and renal blood vessels and ureter were ligated. Kidneys were then excised and the incision closed using a 9-mm Autoclip Applier Vibratome, St. Louis, MO ; . Body temperature was monitored with a rectal probe Cole-Parmer Instruments, Vernon Hills, IL ; and maintained at 36.8 37.0C using a heating pad with circulating water throughout surgery and the subsequent brain imaging Gaymar, Orchard Park, NY ; . Magnetic resonance diffusion-weighted spin echo images DWI ; were acquired using a 7-Tesla Bruker Biospec MRS MRI system equipped with a 120-mm inner diameter shielded gradient set with a maximum gradient strength of 95 mT 72-mm-volume coil was used for radio frequency excitation and signal detection. DWI data were acquired using the following parameters: three contiguous 2-mm-thick axial slices; square field of view of 4 cm, matrix dimensions of 256 by 128, repetition time 2 s; echo time of 40 ms; and big of 20 ms and little of 10 ms. Apparent diffusion coefficient ADC ; values were determined from 6 4 pixel regions of interest for eight brain regions six cortex and two striatum ; using Paravision 2.1 software with four gradient strengths of 595 mT m 38 ; Experimental treatments Insulin saline infusion. For saline and insulin treatment, rats were given 2 units of 70 30 Humulin insulin Eli Lilly, Indianapolis, IN ; by subcutaneous injection. This was immediately followed by a 15-min intravenous infusion of 0.9% NaCl 50 ml kg ; and a subsequent infusion of 0.45% NaCl 22 ml kg1 h1 ; for up to 51 min, depending on the experiment. Bumetanide and mannitol treatments. For experiments evaluating the effects of bumetanide on ADC values, rats were given an intravenous injection of bumetanide 30 mg kg ; either before or after insulin treatment saline infusion, as described in the figure legends. Bumetanide ICN Biomedicals, Costa Mesa, CA ; was prepared as a fresh stock solution for each experiment by dissolving 10 18 mg in 0.5 ml of 0.5N NaOH and then diluting to the desired concentration in a 0.5% saline solution containing albumin and adjusting the pH with HCl. For mannitol experiments, rats were given an intravenous injection of mannitol 1g kg ; 15 min before saline insulin infusion. Blood chemistry. Blood samples were withdrawn from the abdominal aorta immediately before the animals were killed. Samples were analyzed for electrolytes, pH, and glucose using an I-STAT Portable Clinical Analyzer Sensor Devices, Waukesha, WI ; . Blood ketoacids were assessed by measuring -hydroxybutyrate in the blood sample using MediSense Precision Xtra blood -ketone test strips Abbott Laboratories, Bedford, MA ; . DIABETES, VOL. 54, FEBRUARY 2005 and peppermint.
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Table 1. MIC of rifampicin mg L ; for A. baumannii isolates from the mice infected with the HUVR 1327 strain after 24, 48 and 72 h of treatment with the different antimicrobials alone or in combination Basal Rifampicin RIF ; Imipenem IPM ; Sulbactam SUL ; RIF + IPM RIF + SUL 4 128 ND 4 128 ND ND 4.
Cycle, but now evidence shows that women tolerate contraceptives well if they skip this bleed. An increasing number of women take oral contraceptives that combine oestrogen and progesterone combined oral contraceptives - COC ; continuously. Continuously-dosed COCs treat conditions like endometriosis, dysmenorrhoea and symptoms associated with monthly menstruation. Many women, however, simply want to avoid menstruation, leading to less interference in daily life, and fewer menstruation-related days off from work or school. The Cochrane Review Authors set out to see if women experienced any differences when taking COC's in the standard pattern versus continuously. Their conclusion was that the two dosing regimens have similar participant satisfaction and similar discontinuation rates. They also found evidence suggesting that menstrual-associated symptoms were reduced in continuous regimens. There was, however, not enough data to draw any conclusions about differences in the long-term safety or contraceptive effectiveness between the two dosing regimens. "Overall, oral contraceptives are safe and effective, and continuous pill-use is a reasonable approach to oral contraception, " says lead-author Alison Edelman who works at Oregon Health & Science University, Portland, Oregon, USA. Review Title: Edelman et al: Continuous or extended cycle vs. cyclic use of combined contraceptives for contraception. The Cochrane Database of Systematic Reviews 2005 Issue 3 and percodan.
He had a medical degree, also with honors, as well as a baby daughter, who was born one week prior to graduation. He then entered a four-year residency program in internal medicine pediatrics at Wright State University in Dayton, Ohio, from which he graduated in June 2003. Two months later, he began his career with Cornerstone Family Health Associates in Lititz, PA, and is board-certified in internal medicine and board-eligible in pediatrics. Now a partner in the practice, he and Julie have three children.
If you live in some lyme-prone areas, especially some states in the United States, there is a possibility that you are checked for lyme. As lyme diagnosis is a clinical one symptoms, signs, but not definitive tests ; , and due to the fact that many symptoms of lyme are so similar to those of a floxing, you can be studied by your doctors under the point of view of trying to rule out lyme. The real problem is that some lyme sufferers, and some that do not have the infection but are wrongly diagnosed as having lyme, are treated with fluoroquinolones, so they run a very high risk of getting floxed, even without proof that they even have lyme. Long courses of antibiotics are popular among lyme sufferers. Some report big improvements after taking quinolones. May be they are good metabolizers of quinolones and did not reached their cummulative threshold, as it happened to many floxed persons that withstood well their first treatments along several years. But far many more report very debilitating adverse effects after taking cipro and levaquin. After reading hundreds of personal experiences with cipro and levaquin by lyme sufferers and contacting a big lot of them, it seems that adverse reactions are almost the rule for long treatments save exceptions. Using figures, our research of more than a year, indicates that more than 75% of lyme sufferers that take long term fluoroquinolones end up floxed, some severely, and half of them without knowing it or at least not realizing the tragic future that lays ahead for them if they add to an active lyme a severe floxing. They always refer to the assistance of a LLMD lyme-literate-medical-doctor ; , and almost all those doctors are in reality LLFIMD ; . So there is a steadily increasing amount of the number of floxed persons as a result of lyme treatments. Look how dramatic can be the situations caused by illiterate lyme doctors, reading the following post of a forum for lyme patients and pergolide.
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Where dQ dt is the rate of MDZ transfer pmol s ; into the receiver compartment after an apical or basolateral MDZ dose under sink conditions when 10% of the dose had crossed into the receiver compartment ; , A is the area of the culture insert 4.2 cm2 ; , and C0 is the concentration of MDZ in the dosing compartment at time zero. For these experiments, modified Caco-2 cells grown on laminincoated inserts were treated apically or basolaterally with 3 M MDZ. Determination of First-Pass Metabolic Extraction Ratio ER ; . Initial experimental results allowed us to define linear, firstorder conditions for metabolism during first-passage of MDZ across the Caco-2 cell monolayer. Briefly, MDZ was incubated under sink conditions approximately 20 min in duration, when 10% of the apical dose had crossed into the basolateral compartment ; . The amounts of 1 -OH MDZ and 4-OH MDZ found in the apical, basolateral, and cell compartments were summed and entered into eq. 2.
Reduced the high K; -induced increases in [Ca2; ]i. If no overlap exists between verapamil and -agatoxinTK, it appears that activation of L-, P Q-type VGCC contributes to approximately 60% of the increase in [Ca2; ]i produced by K; 60 mmol litre91 in the CA1 pyramidal cell layer. -Conotoxin GVIA, an N-type calcium channel blocker, had no effect on the high K; -induced increase in [Ca2; ]i and is consistent with the observation that -conotoxin GVIA is ineffective under strong depolarization.19 Barbiturates such as thiopental and pentobarbital are known to block calcium currents in several nonneuronal cell lines, 2022 and in neurones.23 By determining changes in [Ca2; ]i, we have shown that thiopental, a typical ultra-short acting barbiturate, inhibits VGCC in a concentration-dependent manner in both the hippocampus and cortex.4 Here we demonstrated that the inhibitory effect of thiamylal on VGCC was almost equipotent with thiopental fig 2, 3 ; . Comparing thiopental and thiamylal with the specific VGCC blockers, it became clear that at and permax.
Adverse effects and their ease of dosing make them popular drugs. ARBs have similar roles in the treatment of hypertension HTN ; , and HF Their roles in angina and . diabetic nephropathy prevention are evolving.
Fig. 6. Effects of luminal perfusion of the duodenum with lidocaine at a concentration of 1% on 51Cr-EDTA clearance A ; , DMAS B ; , FCT C ; , and the amplitude of the contractions D ; in rats treated with indomethacin. Indomethacin was administered intravenously as a bolus dose of 5 mg kg starting at the time point indicated by the arrow. The open bar indicates the period of lidocaine perfusion. Values are means SE; n 5. * P 0.05 compared with values at 60 and 70 min and perphenazine!
1711 by Student's t-test for unpaired samples; P 0.05 was considered significant. Vertical lines in the figures represent the standard error. Animals and Animal Surgery All experimental procedures adhered to the ARVO Resolution on the Use of Animals in Research. Male New Zealand white rabbits weighing 2 to 2.5 kg were entrained to a lighting schedule of alternating 12-hour periods of light and dark 12L: 12D ; for at least 2 weeks before they were used.2'8 "Lights on" was defined as 00: 00 circadian time CT ; . Rabbits subjected to unilateral CGX or DX were entrained to 12L: 12D for at least 2 weeks after surgery before being used.9 Rabbits were killed by intravenous injection marginal ear vein ; ofBeuthanasia-D Schering-Plough Animal Health, Kenilworth, NJ; active ingredients: pentobarbital sodium [390 mg ml] and phenytoin sodium [50 mg ml] ; at mid-light phase 06: 00 CT ; , 2 hours after lights off 14: 00 CT ; , or hours before lights on 22: 00 CT ; . Rabbits were killed in the dark under a dim red light.2'8 Eyes were enucleated immediately and immersed in ice-cold saline. The eyes were cut open posteriorly, the vitreous and lens were removed, the anterior segment was covered with ice-cold BSS, and the ciliary processes were dissected from the anterior segment. Chemicals ISO-HC1, bacitracin, PMSF, STI, leupeptin, aprotinin, BSA, and BSS were purchased from Sigma Chemical St. Louis, MO ; . Porcine VIP, PACAP27, PACAP38, and neuropeptide Y were purchased from Bachem California Torrance, CA ; or Peninsula Laboratories Belmont, CA ; . Secretin and glucagon were purchased from Peninsula Laboratories. sFSK was purchased from Calbiochem San Diego, CA ; . [125I]Iodo - ; -pindolol was purchased from New England Nuclear Research Products Boston, MA ; . 3-[l25I]iodotyrosyll0VIP was purchased from Amersham Arlington Heights, IL ; . [125I]I-PACAP27 was purchased from DuPont New England Nuclear Boston, MA ; . PAC was generously provided by Dr. Louis DeSantis Alcon Laboratories, Fort Worth, TX ; . RESULTS Ciliary Process Cyclic Adenosine Monophosphate Figure 1 shows the response of cAMP levels in ciliary processes from rabbits killed at 06: 00, 14: 00, and 22: 00 CT to stimulation by increasing concentrations of ISO. Although cAMP levels at the same ISO concentration were not statistically significantly different at the tliree times, tissue from rabbits killed at 14: 00 CT appeared and pentobarbital.
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9: 18 KJ Interaction of spheres in a granular medium SUSAN YEUNG, TSONDUE SAMPHEL, STEPHAN A. KOEHLER, ERIC R. WEEKS, Physics Department, Emory University, Atlanta, GA We investigate the mediation of forces between a moving sphere and a stationary sphere inside a container filled with a granular medium. One sphere is held stationary in the experiments; another sphere is kept moving inside the same container. The forces experienced by each sphere are measured. When the stationary sphere is below the moving sphere, it feels no additional force as the other sphere moves above it. Forces are transmitted through the granular medium only if the stationary sphere is within a region above the moving sphere. The size and shape of the region and the magnitude of the forces involved are explored as a function of the size of the spheres and the granular particle size. 9: 31 KJ Investigation of the drag force on spheres in a neutrally buoyant granular suspension TSONDUE SAMPHEL, SUSAN YEUNG, STEPHAN A. KOEHLER, ERIC R. WEEKS, Physics Department, Emory University, Atlanta, GA We investigate the drag force on a sphere moved through a neutrally buoyant granular suspension. The medium consists of resin particles with a mean diameter of 200 microns, in a water glycerol mixture. Previous experiments found that for Newtonian fluids the drag force on the moving sphere is linearly proportional to the velocity; for colloidal systems, where Brownian motion is important, the relationship between the drag and velocity is nonlinear; and for dry granular media the drag force is essentially independent of the velocity. By varying the density of the fluid we systematically reduce the effects of gravity on the particles and approach the colloidal system, with the important exception that Brownian motion is suppressed. We investigate the force velocity relationship as the density is varied, and the relative particle size ratio is varied. 9: 44 KJ Measurements of the drag force on spheres pulled through jammed colloidal suspensions ERIC R. WEEKS, PIOTR HABDAS, DAVID SCHAAR, Physics Department, Emory University, Atlanta GA 30322 The theory of jamming predicts similarities between ``jammed'' states in granular media and colloidal suspensions. We use confocal microscopy to study the microscopic behavior of dense colloidal liquids near their jamming transition the colloidal glass transition . In particular we translate superparamagetic beads with constant force through a dense suspension of non-magnetic colloidal particles, and measure the resulting bead velocity. The relationship between force and velocity is nonlinear. If the applied force is below a stall force, the magnetic particle does not move at all. Above the stall force, the effective viscosity of the sample drops dramatically as the force as increased. Our experiments are conducted in the high Peclet number limit, where thermal motion should be insignificant, similar to granular systems. However, our results appear to contrast with recent experiments studying similar drag forces in granular media. 9: 57 KJ Local jamming transition in colloidal suspensions DAVID SCHAAR, PIOTR HABDAS, ERIC R. WEEKS, Physics Department, Emory University We study colloidal suspensions that have particle concentrations near the colloidal jamming transition, comparable to the volume fraction of random-loose-packed granular systems. Using confocal microscopy we visualize a microscopic magnetic probe forced through the colloidal particles and phenazopyridine.
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09: 00-11: 00 Session FSP 16.1 New tools, Technologies and Platforms for mLearning Theatre LB01.
Lay in lateral recumbency and develop generalized extensor rigidity and opisthotonus in response to handling, voluntary activity and auditory stimuli. During severe episodes, respiratory distress and apnea can be observed, along with facial and masticatory muscle contracture and arching of the spine associated with paraspinal contractions. The extensor rigidity mimics generalized strychnine poisoning. Animals tend to relax in a quiet environment in fact, at rest, affected animals appear normal ; . There is no evidence of muscle pain or percussion dimpling. Neurological deficits are not detected. Electromyographic recordings after various stimuli are characterized by intermittent bursts of giant polyphasic action potentials 0.5 - 15 mV ; . There are no myotonic discharges and motor nerve conduction velocities are normal. Results of urinalysis, hematology, blood chemistries, and muscle and nerve biopsies are within normal limits. No lesions are seen in the brain or spinal cord. Prognosis is guarded to poor. Therapeutic trials with diazepam at 0.5 to 2.0 mg kg PO, tid ; alone or with phenobarbital at 2.2 to 5.0 mg kg PO bid ; provides partial relief from the tonic spasms, although episodes can still be induced. Intravenous pentobarbital abolishes all signs of rigidity. The disorder may be genetic since in one study, the grandsire of the affected litter had sired 2 previous litters containing similarly affected pups. In the two reports to date, affected to normal puppy ratios have been 2: 5 and 3: 5 [59, 60]. A defect in glycine, the major inhibitory neurotransmitter in the spinal cord, or altered genetic regulation of the spinal cord glycine receptor, has been suggested as the basis for this disorder [60]. Myokymia - A novel disorder clinically characterized by intermittent, rhythmic, vermicular movement of muscle groups in all four limbs leading to collapse into lateral recumbency but without loss of consciousness ; has been reported in a Yorkshire Terrier [76]. Signs began around 11 months of age. No neurological abnormalities were detected. Hematology and blood chemistries were normal apart from a mild increase in serum creatine phosphokinase levels. No lesions were seen in a muscle biopsy. Dramatic improvement in signs occurred with procainamide therapy 62.5 mg PO, tid ; . Signs returned on cessation of therapy. Dramatic, paroxysmal attacks may be seen in animals with seizures see epilepsy ; and syncope. Seizures are the clinical manifestation of functional disturbances of the brain caused by hyperexcitable cortical neurons and animals may or may not lose consciousness [61]. Syncope refers to rapid loss of consciousness and postural tone caused by reduced cerebral blood flow [62]. It is most commonly associated with cardiovascular problems e.g., dysrhythmias ; but also may be related to autonomic perturbations, such as vasovagal syncope and carotid sinus sensitivity [63, 64, 77]. Defecation syncope and pulmonary thromboembolism has been reported in a cat [78]. Primary neurological disorders are extremely unlikely to cause syncope [62]. Painful, episodic muscle cramps affecting thoracic and pelvic limbs have been reported in two standard Poodles diagnosed with hypoadrenocorticism the dogs were being treated with fludrocortisone acetate and prednisone ; [71]. Neurological examination was normal between episodes. Serum biochemical abnormalities included hyperalbuminemia, azotemia, hyponatremia, hypochloremia, and hyperkalemia. Changing treatment to desoxycorticosterone pivalate resolved the electrolyte abnormalities and the episodes of muscle cramping in both dogs. Episodic weakness, collapse, and paralysis may occur with hyperkalemic myopathy. Episodic weakness, exercise intolerance, and acute onset of a stiff-stilted gait may be seen in animals with hypokalemic myopathy. Paroxysmal general body tremor and collapse into sternal recumbency associated with exercise or excitement has been reported in a young Great Dane with central core myopathy. Note that some forms of hyperkinesis [65] and episodic states, such as tail chasing [66], represent behavioral disorders. Hyperkinesis also occurs often in cats with hyperthyroidism. Periodic infarctions as a result of intravascular lymphomas may result in episodic neurological signs in dogs see Infarction ; . Intermittent forelimb lameness has been reported in dogs with hypothyroidism see Hypothyroid Neuropathy and phenelzine.
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Was greatly reduced, that of pentobarbital was partially lost, whereas that of propofol was not affected. Thus, we conclude that the function of GABAR in major circuits involved in anesthesia sedation sleep is reduced in alcohol dependence and probably contributes in a major way to this condition. In contrast to the reduced sedation by the benzodiazepine, no such reduction was seen for the anxiolytic effect of diazepam in the CIE rats. This indicates that the plastic changes in GABAR are pathway- and subunit-specific. This might reflect the drop in GABAR 1 subunit observed, because the 1 subunit has been shown to selectively mediate the sedative but not anxiolytic actions of the benzodiazepines Rudolph et al., 1999; McKernan et al., 2000 ; , which involve, more importantly, the 2 subunit-containing GABAR Low et al., 2000 ; . It seems that CIE provides a phenocopy of the genetically engineered 1 subunit point mutation H101R described in those reports. Comparison of Changes Seen in CIE Rats versus Those with Continuous Ethanol Administration Regimens The critical difference between a multiple withdrawal paradigm, as in CIE rats, versus other more continuous models of long-term treatment with ethanol are described in the introduction and in our previous publications on CIE compare Becker, 1998 ; . Some of these behavioral and biochemical changes seen in CIE, such as elevated subunits 4, 6, 1, ; and reduced 1 Morrow et al., 1990; Mhatre et al., 1993; Devaud et al., 1997; Matthews et al., 1998 ; are also seen with regimens of long-term treatment with ethanol that do not involve such dramatic or frequent withdrawal episodes as does CIE. In those cases, unlike CIE, the changes do not persist more than 1 day after ethanol treatment. We tentatively conclude that the changes observed in both the continuous ethanol regimens not persistent ; and in CIE persistent ; are involved in withdrawal signs after short-term ethanol treatment and the persistent and exaggerated withdrawal signs seen in CIE. We propose that the persistent changes are highly relevant to the condition of alcohol dependence. Equally important are those changes that differ between regimens. For example, neurosteroid modulation of GABAR and sleep time are drastically reduced in CIE, whereas the neurosteroid anticonvulsant effects are enhanced after longterm continuous ethanol Devaud et al., 1996 ; . Therefore, the reduced sensitivity to the hypnotic action of neurosteroids in CIE rats seems to be associated with the hyperexcitable state and possibly with the drug-dependent state. Electrophysiological Recordings on CA1 Pyramidal Cells in Hippocampal Slices of CIE and Control Rats Reduced Amplitude and Faster Decay of mIPSCS Validate Our Previous Report of Reduced GABAR Inhibition in Hippocampus. We previously assayed GABAactivated 36Cl flux in brain slices and found reduced function specifically in hippocampus and not in three lobes of cortex, inferior colliculus, or cerebellum Kang et al., 1996 ; . Measures of paired-pulse inhibition using field potential recordings in CA1 found deficits in CIE rats that suggested impaired inhibitory synaptic transmission, possibly at the GABAR level Kang et al., 1996 ; . Depth recordings after multiple ethanol withdrawals are consistent with our observations, indicating spiking EEG records in rat hippocampus and pentostatin.
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ZIMPER, M., S. P. SIT, AND S. F. VATNER. Effects of anesthesia on the canine carotid chemoreceptor reflex. Circ. Res. 48: 400-406, 1981.-We studied the effects of cw-chloralose 100 mg kg, iv ; , Na pentobarbital 25 mg kg, iv ; and halothane 1~01% and 2 ~01% ; on the response to carotid chemoreceptor stimulation CCRS ; in eight chronically instrumented dogs. CCRS was accomplished by means of intracarotid injections of nicotine while ventilation was held constant in the unanesthetized state and following administration of one of three different anesthetics. In the conscious state, CCRS elicited intense bradycardia and peripheral vasoconstriction as reflected by a 173 t 14% increase in initial cardiac cycle length and a 216 t 22% increase in mean iliac vascular resistance. Each anesthetic, studied on separate days, attenuated these responses to CCRS strikingly P 0.01 ; . For instance, after a-chloralose, CCRS increased iliac resistance by only 55 t 14% and cardiac cycle length by only 27 t 13%. After Na pentobarbital, CCRS increased iliac resistance by 12 t, 4% and cardiac cycle length by 8 t 5%. After inhalation of halothane 1 vol% ; , CCRS increased iliac resistance by 28 t 7% and cardiac cycle length by 11 t 5%, whereas halothane 2 ~01% ; abolished these responses to CCRS. Thus, general anesthesia interferes severely with carotid chemoreceptor control of the circulation. Whereas halothane and Na pentobarbital altered responses to CCRS the most, we found that even a-chloralose, which has been thought to maintain or augment reflex responses, was able to depress the response to CCRS strikingly and phenobarbital.
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