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2137 Artikel wurden gefunden.

Die folgenden Begriffe wurden einbezogen: threshold, Schwellenwert, "threshold value", 閾値

• 1999, Polkey MI, Luo Y, Guleria R, Hamnegard CH, Green M, Moxham J
  Functional magnetic stimulation of the abdominal muscles in humans [med. Anw.]
  Am J Respir Crit Care Med 160 (2): 513-522
• 1999, Muehsam DJ, Pilla AA
  The sensitivity of cells and tissues to exogenous fields: effects of target system initial state [tech./dosim.]
  Bioelectrochem Bioenerg 48 (1): 35-42
• 1999, Radzievsky AA, Rojavin MA, Cowan A, Ziskin MC
  Suppression of pain sensation caused by millimeter waves: a double-blinded, cross-over, prospective human volunteer study [med./bio.]
  Anesth Analg 88 (4): 836-840
• 1999, Silny J
  Electrical hypersensitivity in humans--fact or fiction? [Review]
  Zentralbl Hyg Umweltmed 202 (2-4): 219-233
• 1999, Miyakoshi J, Koji Y, Wakasa T, Takebe H
  Long-term exposure to a magnetic field (5 mT at 60 Hz) increases X-ray-induced mutations [med./bio.]
  J Radiat Res 40 (1): 13-21
• 1999, Yaguchi H, Yoshida M, Ejima Y, Miyakoshi J
  [Details] Effect of high-density extremely low frequency magnetic field on sister chromatid exchanges in mouse m5S cells [med./bio.]
  Mutat Res Genet Toxicol Environ Mutagen 440 (2): 189-194
• 1999, Mullins JM, Penafiel LM, Juutilainen J, Litovitz TA
  Dose-response of electromagnetic field-enhanced ornithine decarboxylase activity [med./bio.]
  Bioelectrochem Bioenerg 48 (1): 193-199
• 1999, Weaver JC, Vaughan TE, Martin GT
  Biological effects due to weak electric and magnetic fields: the temperature variation threshold [tech./dosim.]
  Biophys J 76 (6): 3026-3030
• 1999, Foster KR, Erdreich LS
  Thermal models for microwave hazards and their role in standards development [tech./dosim.]
  Bioelectromagnetics 20 Suppl 4: 52-63
• 1999, DiGiovanni J, Johnston DA, Rupp T, Sasser LB, Anderson LE, Morris JE, Miller DL, Kavet R, Walborg Jr EF
  [Details] Lack of effect of a 60 Hz magnetic field on biomarkers of tumor promotion in the skin of SENCAR mice [med./bio.]
  Carcinogenesis 20 (4): 685-689
• 1999, Gamble SC, Wolff H, Arrand JE
  [Details] Syrian hamster dermal cell immortalization is not enhanced by power line frequency electromagnetic field exposure [med./bio.]
  Br J Cancer 81 (3): 377-380
• 1999, Ebert U, Ziemann U
  Altered seizure susceptibility after high-frequency transcranial magnetic stimulation in rats [med. Anw.]
  Neurosci Lett 273 (3): 155-158
• 1999, Nezu A, Kimura S, Takeshita S
  Topographical differences in the developmental profile of central motor conduction time [med. Anw.]
  Clin Neurophysiol 110 (9): 1646-1649
• 1999, Graves AB, Rosner D, Echeverria D, Yost M, Larson EB
  Occupational exposure to electromagnetic fields and Alzheimer disease [epidem.]
  Alzheimer Dis Assoc Disord 13 (3): 165-170
• 1999, Li CM, Chiang H, Fu YD, Shao BJ, Shi JR, Yao GD
  Effects of 50 Hz magnetic fields on gap junctional intercellular communication [med./bio.]
  Bioelectromagnetics 20 (5): 290-294
• 1999, Goltsov AN
  Electromagnetic-field-induced oscillations of the lipid domain structures in the mixed membranes [tech./dosim.]
  Bioelectrochem Bioenerg 48 (2): 311-316
• 1999, Bier M, Hammer SM, Canaday DJ, Lee RC
  Kinetics of sealing for transient electropores in isolated mammalian skeletal muscle cells [med./bio.]
  Bioelectromagnetics 20 (3): 194-201
• 1998, Laurita KR, Girouard SD, Akar FG, Rosenbaum DS
  Modulated dispersion explains changes in arrhythmia vulnerability during premature stimulation of the heart [med./bio.]
  Circulation 98 (24): 2774-2780
• 1998, Sommer T, Lauck G, Schimpf R, von Smekal A, Wolke S, Block W, Gieseke J, Schneider C, Funke HD, Schild H
  MRT bei Patienten mit Herzschrittmachern: in vitro und in vivo Auswertung bei 0,5 Tesla [Gerät/Impl.]
  Rofo 168 (1): 36-43
• 1998, Bernhardt JH, Vogel E
  Vermeidung gesundheitlicher Risiken bei Anwendung magnetischer Resonanzverfahren Die Empfehlung der Strahlenschutzkommission [Grundlagen]
  Radiologe 38 (9): 737-742
• 1998, Capelli-Schellpfeffer M, Lee RC, Toner M, Diller KR
  Correlation between electrical accident parameters and injury [tech./dosim.]
  IEEE Ind Appl Mag 4 (2): 25-31,41
• 1998, Obukhan KI
  [The effect of ultrahigh-frequency radiation on adaptation thresholds and the damages to blood system cells] [fremdsprachig]
  Lik Sprava (7): 71-73
• 1998, Rosenheck K
  Evaluation of the electrostatic field strength at the site of exocytosis in adrenal chromaffin cells [tech./dosim.]
  Biophys J 75 (3): 1237-1243
• 1998, Radon K, Maschke C
  [Details] Gibt es Elektrosensibilität im D-Netzbereich: Ein 3-AFC-Doppelblindversuch [med./bio.]
  Umweltmed Forsch Prax 3 (3): 125-129
• 1998, Di Lazzaro V, Restuccia D, Oliviero A, Profice P, Ferrara L, Insola A, Mazzone P, Tonali P, Rothwell JC
  Effects of voluntary contraction on descending volleys evoked by transcranial stimulation in conscious humans [med. Anw.]
  J Physiol 508: 625-633
• 1998, Potschka H, Thun-Battersby S, Loscher W
  Effect of low-intensity 50-Hz magnetic fields on kindling acquisition and fully kindled seizures in rats [med. Anw.]
  Brain Res 809 (2): 269-276
• 1998, Chen R, Tam A, Butefisch C, Corwell B, Ziemann U, Rothwell JC, Cohen LG
  Intracortical inhibition and facilitation in different representations of the human motor cortex [med. Anw.]
  J Neurophysiol 80 (6): 2870-2881
• 1998, Chen JT, Chen CC, Kao KP, Wu ZA, Liao KK
  Conditioning effect on the long latency potentials in the lower limb to transcranial magnetic stimulation [med. Anw.]
  Acta Neurol Scand 98 (6): 412-421
• 1998, Bogdanov AA, Bukharin EA, Davydova OK, Plakhov NN
  [The evaluation of the body response of experimental animals to exposure to the magnetic component of electromagnetic radiation for setting a hygiene standard] [fremdsprachig]
  Med Tr Prom Ekol (11): 6-8
• 1998, Schulze-Bonhage A, Cichon BM, Ferbert A
  Cortical representation of proximal and distal arm muscles as assessed by focal transcranial magnetic stimulation [med. Anw.]
  Electromyogr Clin Neurophysiol 38 (2): 81-86
• 1998, Frei MR, Jauchem JR, Dusch SJ, Merritt JH, Berger RE, Stedham MA
  [Details] Chronic, low-level (1.0 W/kg) exposure of mice prone to mammary cancer to 2450 MHz microwaves [med./bio.]
  Radiat Res 150 (5): 568-576
• 1998, Belmaker RH, Grisaru N
  Magnetic stimulation of the brain in animal depression models responsive to ECS [med. Anw.]
  J ECT 14 (3): 194-205
• 1998, Schaefer DJ
  Safety aspects of switched gradient fields [Grundlagen]
  Magn Reson Imaging Clin N Am 6 (4): 731-748
• 1998, David E, Reissenweber J
  Risiko elektrischer und magnetische Felder [Review]
  Nervenheilkunde 17 (9): 369-377
• 1998, Maccabee PJ, Nagarajan SS, Amassian VE, Durand DM, Szabo AZ, Ahad AB, Cracco RQ, Lai KS, Eberle LP
  Influence of pulse sequence, polarity and amplitude on magnetic stimulation of human and porcine peripheral nerve [med./bio.]
  J Physiol 513 Pt 2: 571-585
• 1998, Chistyakov AV, Soustiel JF, Hafner H, Elron M, Feinsod M
  Altered excitability of the motor cortex after minor head injury revealed by transcranial magnetic stimulation [med. Anw.]
  Acta Neurochir 140 (5): 467-472
• 1998, Wassermann EM, Wedegaertner FR, Ziemann U, George MS, Chen R
  Crossed reduction of human motor cortex excitability by 1-Hz transcranial magnetic stimulation [med. Anw.]
  Neurosci Lett 250 (3): 141-144
• 1998, Ray PG, Meador KJ, Epstein CM, Loring DW, Day LJ
  Magnetic stimulation of visual cortex: factors influencing the perception of phosphenes [med. Anw.]
  J Clin Neurophysiol 15 (4): 351-357
• 1998, Petersen N, Christensen LO, Nielsen J
  The effect of transcranial magnetic stimulation on the soleus H reflex during human walking [med. Anw.]
  J Physiol 513 Pt 2: 599-610
• 1998, Heinen F, Glocker FX, Fietzek U, Meyer BU, Lucking CH, Korinthenberg R
  Absence of transcallosal inhibition following focal magnetic stimulation in preschool children [med. Anw.]
  Ann Neurol 43 (5): 608-612
• 1998, Afra J, Mascia A, Gerard P, Maertens de Noordhout A, Schoenen J
  Interictal cortical excitability in migraine: a study using transcranial magnetic stimulation of motor and visual cortices [med. Anw.]
  Ann Neurol 44 (2): 209-215
• 1998, Di Lazzaro V, Oliviero A, Profice P, Saturno E, Pilato F, Insola A, Mazzone P, Tonali P, Rothwell JC
  Comparison of descending volleys evoked by transcranial magnetic and electric stimulation in conscious humans [med. Anw.]
  Electroencephalogr Clin Neurophysiol 109 (5): 397-401
• 1998, Aurora SK, Ahmad BK, Welch KM, Bhardhwaj P, Ramadan NM
  Transcranial magnetic stimulation confirms hyperexcitability of occipital cortex in migraine [med. Anw.]
  Neurology 50 (4): 1111-1114
• 1998, Davey NJ, Smith HC, Wells E, Maskill DW, Savic G, Ellaway PH, Frankel HL
  Responses of thenar muscles to transcranial magnetic stimulation of the motor cortex in patients with incomplete spinal cord injury [med. Anw.]
  J Neurol Neurosurg Psychiatry 65 (1): 80-87
• 1998, Tsai CH, Semmler JG, Kimber TE, Thickbroom G, Stell R, Mastaglia FL, Thompson PD
  Modulation of primary orthostatic tremor by magnetic stimulation over the motor cortex [med. Anw.]
  J Neurol Neurosurg Psychiatry 64 (1): 33-36
• 1998, Wilke A, Maisch B
  Störbeeinflussung von Herzschrittmachern [Grundlagen]
  Fortschr Med 116 (22-23): 27-31
• 1998, Jousmäki V, Forss N
  Effects of stimulus intensity on signals from human somatosensory cortices [med./bio.]
  NeuroReport 9 (15): 3427-3431
• 1998, Faber SC
  Stimulation peripherer Nerven durch zeitlich veranderliche Magnetfeldgradienten in der Magnetresonanztomographie [Review]
  Radiologe 38 (9): 743-749
• 1998, Foster KR, Lozano-Nieto A, Riu PJ, Ely TS
  Heating of tissues by microwaves: a model analysis [tech./dosim.]
  Bioelectromagnetics 19 (7): 420-428
• 1998, Miyakoshi J, Tsukada T, Tachiiri S, Bandoh S, Yamaguchi K, Takebe H
  [Details] Enhanced NOR-1 gene expression by exposure of Chinese hamster cells to high-density 50 Hz magnetic fields [med./bio.]
  Mol Cell Biochem 181 (1-2): 191-195