Study type: animal

Bioelectromagnetics · 2000 · PubMed

Adult male C57BL/6J mice exposed to a low-intensity 900 MHz RF field pulsed at 217 Hz (average whole-body SAR 0.05 W/kg) for 45 min/day for 10 days showed no significant field-dependent effects on radial maze choice accuracy or total completion time compared with sham-exposed controls, whether tested immediately after exposure or after 15 or 30 minutes.

DOI: 10.1002/(sici)1521-186x(200004)21:3<151::aid-bem1>3.0.co;2-q · PMID: 10723014

Study URL: https://pubmed.ncbi.nlm.nih.gov/10723014/

Study type: animal

Biofizika · 2000 · PubMed

In vitro exposure to pulse-modulated microwave radiation (carrier 2375 MHz; modulation pulse rate 10–390 Hz) altered alkaline phosphatase activity depending on modulation frequency and intensity. At 70 Hz modulation, alkaline phosphatase activity increased by about 1.8–2.0 times.

PMID: 10732222

Study URL: https://pubmed.ncbi.nlm.nih.gov/10732222/

Study type: in_vitro

Applied and environmental microbiology · 2000 · PubMed

Microwave radiation of Escherichia coli and Bacillus subtilis suspensions was associated with a dramatic reduction in viable counts and increased DNA and protein release as final suspension temperature increased, while cell density did not significantly decrease. Scanning electron microscopy showed severe surface damage in most E. coli cells but no significant change in B. subtilis; microwave-injured E. coli were easily lysed with SDS whereas B. subtilis were resistant.

DOI: 10.1128/aem.66.5.2243-2247.2000 · PMID: 10788410

Study URL: https://pubmed.ncbi.nlm.nih.gov/10788410/

Study type: other

International journal of occupational and environmental health · 2000 · PubMed

The authors describe clusters of multiple tumor types among radar technicians reported to have prolonged high-level RF/microwave exposures, including a cohort of 25 workers with six tumors. They report estimated relative risks for cancer in this group and describe very short latency periods in index patients and a larger self-reported group, concluding that high-level long-duration exposures in settings with lax preventive measures were associated with increased cancer risk and suggesting prevention of exposures in the range of 10–100 microw/cm(2).

DOI: 10.1179/oeh.2000.6.3.187 · PMID: 10926722

Study URL: https://pubmed.ncbi.nlm.nih.gov/10926722/

Study type: other

Journal of theoretical biology · 2000 · PubMed

The authors propose a theoretical model in which pulsed microwave radiation can alter protein conformation by transiently heating the protein and its immediate environment, potentially triggering a heat shock/stress response even when no bulk temperature rise is detected by conventional thermometry. Using heat diffusion equation modeling, they report that pulsed athermal exposure could produce transient temperature excursions outside the normal range and suggest this may relate to the power window phenomenon via incomplete heat shock response triggering.

DOI: 10.1006/jtbi.2000.2123 · PMID: 10966765

Study URL: https://pubmed.ncbi.nlm.nih.gov/10966765/

Doklady biophysics : proceedings of the Academy of Sciences of the USSR, Biophysics section · 2000 · PubMed

PMID: 11029032

Study URL: https://pubmed.ncbi.nlm.nih.gov/11029032/

Study type: other

The Journal of microwave power and electromagnetic energy : a publication of the International Microwave Power Institute · 2000 · PubMed

The paper discusses effects of microwave radiation on common ore minerals, presenting heating rates at varying microwave power levels and comparative magnetic susceptibility surveys for treated versus non-treated minerals. Chemical and physical analyses are considered to quantify changes in mineral phases during heating, with conclusions about potential impacts on downstream magnetic processing.

DOI: 10.1080/08327823.2000.11688431 · PMID: 11098439

Study URL: https://pubmed.ncbi.nlm.nih.gov/11098439/

Study type: in_vitro

Mutation research · 2000 · PubMed

For both radiation frequencies (2.45 and 7.7 GHz), micronuclei were induced compared with control cultures at a power density of 30 mW/cm^2 after 30 and 60 min exposures.

DOI: 10.1016/s1383-5718(00)00112-1 · PMID: 11113697

Study URL: https://pubmed.ncbi.nlm.nih.gov/11113697/

Study type: animal

Bulletin of experimental biology and medicine · 2000 · PubMed

Microwave radiation and strychnine produced changes in electrocorticogram spectral parameters and nonlinear dynamics measures (correlation dimension, Kolmogorov entropy) that were opposite to those induced by urethane. The modulatory effect of microwaves on cerebral bioelectric activity in narcotized rats was described as similar to strychnine and probably related to enhanced excitability and increased complexity of bioelectric processes.

DOI: 10.1007/bf02682245 · PMID: 11177257

Study URL: https://pubmed.ncbi.nlm.nih.gov/11177257/

Study type: animal

Folia histochemica et cytobiologica · 2000 · PubMed

In rats treated with hydrocortisone, microwave irradiation at 53.57 GHz (power density 10 mW/cm2 and 1 mW/cm2) was reported to block the inducible effect of hydrocortisone on liver GGT activity. The effect was described as dependent on the power density of millimetre microwaves.

PMID: 11185725

Study URL: https://pubmed.ncbi.nlm.nih.gov/11185725/

Study type: engineering

Carbohydrate research · 2000 · PubMed

Complex permittivities for microwave frequencies 0.5–26 GHz were measured for solid-state alpha-, beta-, and gamma-cyclodextrins at room temperature. The real component showed maxima near 0.6 GHz with beta > alpha > gamma across the spectrum. Dielectric loss was significant only between 5 and 12 GHz for beta- and gamma-cyclodextrins, with maxima near 7.5 GHz.

DOI: 10.1016/s0008-6215(00)00085-9 · PMID: 10945672

Study URL: https://pubmed.ncbi.nlm.nih.gov/10945672/

Study type: in_vitro

Guang pu xue yu guang pu fen xi = Guang pu · 2000 · PubMed

FTIR results indicated that mixing stearic acid and pentyl amine produced pentyl ammonium stearate, forming an acid-salt structure with remaining stearic acid. Under microwave radiation, pentyl ammonium stearate could be decomposed and dehydrated to form stearic pentyl amide, and microwave radiation was suggested to make the reaction faster and more thorough.

PMID: 12945403

Study URL: https://pubmed.ncbi.nlm.nih.gov/12945403/

Study type: in_vitro

Bioelectromagnetics · 2000 · PubMed

After exposure to 50 MHz RF non-ionizing radiation modulated (80%) at 16 Hz, ets1 mRNA was overexpressed in Jurkat T-lymphoblastoid and Leydig TM3 cell lines. The effect was reported only when the 16 Hz modulation was present; the authors also report identifying a putative candidate gene repressed after EMF exposure.

DOI: 10.1002/(sici)1521-186x(200001)21:1<8::aid-bem3>3.0.co;2-g · PMID: 10615087

Study URL: https://pubmed.ncbi.nlm.nih.gov/10615087/

Study type: animal

Bioelectromagnetics · 2000 · PubMed

In an experimental setup allowing exposure to 50 Hz magnetic fields (0–150 microT) with precise temperature control, ELF-EMF strongly enhanced heat-shock–related reporter gene expression under defined conditions when combined with mild heat shock.

DOI: 10.1002/(sici)1521-186x(200002)21:2<100::aid-bem4>3.0.co;2-u · PMID: 10653620

Study URL: https://pubmed.ncbi.nlm.nih.gov/10653620/

Study type: in_vitro

Bioelectromagnetics · 2000 · PubMed

Cells exposed for 24 h to a 60 Hz, 0.7 mT rms magnetic field (inducing ~0.5 mV/m rms electric field) were consistently smaller than sham-treated cells, but overall morphologic alterations were not significantly different when cell orientation was not considered. When analyzed by orientation, cells oriented parallel to the induced electric field showed a significant decrease in cell length and an increase in roundness.

DOI: 10.1002/(sici)1521-186x(200002)21:2<129::aid-bem8>3.0.co;2-q · PMID: 10653624

Study URL: https://pubmed.ncbi.nlm.nih.gov/10653624/

Study type: animal

Physiological and biochemical zoology : PBZ · 2000 · PubMed

EMF exposure equivalent to that experienced by wild kestrels was weakly associated with reduced egg laying in 1 year only. Across both years, fertility was higher but hatching success was lower in EMF pairs than controls; fledging success was higher in EMF pairs in 1995 only. EMF eggs were larger with more yolk/albumen/water but thinner shells; late-term embryos were larger/longer, while hatchlings were similar in mass and size.

DOI: 10.1086/316726 · PMID: 10685907

Study URL: https://pubmed.ncbi.nlm.nih.gov/10685907/

Study type: engineering

IEEE transactions on bio-medical engineering · 2000 · PubMed

The study analyzed variability in published tissue permittivity data and evaluated how proportional changes in permittivity affect SAR calculations for RF exposures from 1 MHz to 1 GHz using a 4-cm sphere model. When the sphere dimensions are small relative to wavelength, whole-sphere averaged SAR was inversely proportional to permittivity, while localized SAR did not follow the same relationship and varied substantially by location within the sphere.

DOI: 10.1109/10.827308 · PMID: 10743782

Study URL: https://pubmed.ncbi.nlm.nih.gov/10743782/

Study type: meta_analysis

Environmental health and preventive medicine · 2000 · PubMed

Meta-analysis of epidemiological studies found combined relative risks above 1.0 for all leukemia (RR=1.11) and for acute lymphocytic (RR=1.38), acute myeloid (RR=1.07), and chronic lymphocytic leukemia (RR=1.14), but these increases were not statistically significant. The authors state it is difficult to make a consistent conclusion and call for better-designed studies with more valid exposure assessment.

DOI: 10.1007/bf02935915 · PMID: 21432210

Study URL: https://pubmed.ncbi.nlm.nih.gov/21432210/

Study type: in_vitro

Radiation research · 2000 · PubMed

Regional EMF exposure facilities conducted blinded, sham-controlled replication studies of previously reported in vitro effects of 50/60 Hz magnetic-field exposure. In nearly all experiments, no effects of magnetic-field exposure were found on the assessed endpoints.

DOI: 10.1667/0033-7587(2000)153[0648:eoiveo]2.0.co;2 · PMID: 10790288

Study URL: https://pubmed.ncbi.nlm.nih.gov/10790288/

Study type: other

Bioelectromagnetics · 2000 · PubMed

A quantum Zeeman-Stark model is presented for RF electromagnetic exposure effects on ligand binding, incorporating collision-related energy losses, endogenous nonlinear forces in the binding site, out-of-equilibrium metabolism-related conditions, and thermal noise. The model suggests that in some instances low-intensity exogenous RF exposure could affect ligand binding probability, e.g., when a receptor potential well depth matches RF photon energy.

DOI: 10.1002/(sici)1521-186x(200005)21:4<312::aid-bem7>3.0.co;2-# · PMID: 10797459

Study URL: https://pubmed.ncbi.nlm.nih.gov/10797459/

Study type: animal

Biomedical sciences instrumentation · 2000 · PubMed

0.1 mT, 60 Hz EMFs induced a 20% mean increase in anti-CD3 binding to T cell receptors in Jurkat cells. 60 Hz sinusoidal EMFs and a commercial bone-healing EMF modulated signal transduction pathways regulating lymphocyte proliferation, with similar effects reported in human PBLs in culture and in rat PBLs when donor animals were exposed to a bone-healing field (21 days, 4 hr/day).

PMID: 10834201

Study URL: https://pubmed.ncbi.nlm.nih.gov/10834201/

Study type: in_vitro

Carcinogenesis · 2000 · PubMed

A(L) cells exposed to a 100 microT, 60 Hz alternating magnetic field for up to 7 days showed no cytotoxicity and no increase in mutagenesis. Concurrent EMF exposure did not increase cytotoxicity or CD59- mutant induction from graded doses of gamma-radiation or MNNG.

PMID: 10837013

Study URL: https://pubmed.ncbi.nlm.nih.gov/10837013/

Study type: other

Journal of toxicology and environmental health. Part A · 2000 · PubMed

Wild reproducing kestrels were estimated to be exposed to EMFs for a substantial portion of time (25%–75% of observed time; 71%–90% on a 24-h basis depending on breeding stage). Captive females exposed to EMFs showed increased activity/alertness and more frequent perching on the pen roof during courtship, and preened/rested less during brood rearing; exposed males were more active during courtship and more alert during incubation. The abstract states these behavioral changes were unlikely to directly explain previously reported differences in growth/fledging success or hatching success in the EMF group.

DOI: 10.1080/009841000156619 · PMID: 10839495

Study URL: https://pubmed.ncbi.nlm.nih.gov/10839495/

Study type: in_vitro

Bioelectromagnetics · 2000 · PubMed

In a co-culture in vitro BBB model (rat astrocytes with porcine brain capillary endothelial cells), exposure to GSM1800-standard EMF (1.8 GHz) significantly increased permeability to (14)C-sucrose compared with identically cultured unexposed samples.

PMID: 10899769

Study URL: https://pubmed.ncbi.nlm.nih.gov/10899769/

Study type: animal

Bioelectromagnetics · 2000 · PubMed

Zebrafish embryos exposed intra ovo to a 50 Hz AC magnetic field (1000 microT rms) showed a statistically significant delay in hatching when exposure began 48 hours after fertilization. When exposure began 2 hours after fertilization, no statistically significant effect on hatching was observed. Co-exposure with submaximal progesterone doses at 48 hours postfertilization appeared to delay hatching additively.

DOI: 10.1002/1521-186x(200007)21:5<407::aid-bem10>3.0.co;2-v · PMID: 10899777

Study URL: https://pubmed.ncbi.nlm.nih.gov/10899777/

Study type: animal

Pathophysiology : the official journal of the International Society for Pathophysiology · 2000 · PubMed

Across several exposure models (7 days vertical; 84 days horizontal; 6 h acute in SAM-P8 at multiple ages), monoamine or metabolite levels were not changed by 60 Hz, 10 Gauss exposure, except in a restrained-mouse model. In restrained mice exposed for 1 h, DOPAC increased in hippocampus and hypothalamus, HVA increased in hypothalamus, and 5-HIAA increased in hippocampus and thalamus-midbrain; restraint without EMF did not change these metabolites.

DOI: 10.1016/s0928-4680(00)00037-7 · PMID: 10927190

Study URL: https://pubmed.ncbi.nlm.nih.gov/10927190/

Study type: animal

Pathophysiology : the official journal of the International Society for Pathophysiology · 2000 · PubMed

In mice, exposure to a 0.1 mT, 60 Hz electromagnetic field did not induce nitric oxide (NO) generation by itself, but significantly enhanced lipopolysaccharide (LPS)-induced NO generation in vivo as measured by ESR spectra of NO adducts in liver.

DOI: 10.1016/s0928-4680(00)00040-7 · PMID: 10927193

Study URL: https://pubmed.ncbi.nlm.nih.gov/10927193/

Study type: animal

Zhurnal vysshei nervnoi deiatelnosti imeni I P Pavlova · 2000 · PubMed

In mice and rats of different ages, ultralow-intensity EMF exposure (4200 and 970 MHz; quasistochastic modulation 20–20,000 Hz; power density 15 microW/cm2; specific body absorption up to 4.5 mJ/kg) generally inhibited locomotor and exploratory activity in the open-field test. Behavioral changes were accompanied by neurochemical shifts described as activation of the serotoninergic system and inhibition of the norepinephrinergic system; species- and age-specific features were reported to dominate, and lower EMF frequency intensified the behavioral effect.

PMID: 10984915

Study URL: https://pubmed.ncbi.nlm.nih.gov/10984915/

Study type: randomized_trial

Critical reviews in biomedical engineering · 2000 · PubMed

In EEG recordings from 24 volunteers, the multichannel (global) correlation dimension significantly increased during cellular phone EMF exposure and in the post-exposure period, with a more pronounced effect during the "eyes closed" condition.

DOI: 10.1615/critrevbiomedeng.v28.i12.450 · PMID: 10999398

Study URL: https://pubmed.ncbi.nlm.nih.gov/10999398/

Study type: engineering

Bioelectromagnetics · 2000 · PubMed

The paper argues that existing evidence on potential health effects of EMF exposure is often inadequate for health risk assessment due in part to incomplete exposure descriptions and poorly characterized dosimetry. It lists basic requirements and provides guidelines for evaluating, optimizing, constructing, and verifying exposure setups, and suggests minimum performance requirements for setups relevant to wireless communications.

DOI: 10.1002/1521-186x(200010)21:7<508::aid-bem4>3.0.co;2-f · PMID: 11015115

Study URL: https://pubmed.ncbi.nlm.nih.gov/11015115/

Study type: in_vitro

Environmental health perspectives · 2000 · PubMed

Exposure to 60 Hz ELF-EMF produced a dose-dependent inhibition of chemically induced differentiation, with maximal inhibition reported as 40% at 40 mG (4 µT). ELF-EMF at 1.0 G (100 µT) and 10.0 G (1,000 µT) increased cell proliferation by 50% versus sham, and exposure to 0.5 G (50 µT) attenuated the decrease in telomerase activity seen with differentiation under sham conditions.

DOI: 10.1289/ehp.00108967 · PMID: 11049817

Study URL: https://pubmed.ncbi.nlm.nih.gov/11049817/

Study type: in_vitro

FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2000 · PubMed

In blinded, carefully controlled experiments, exposure to a 100 microT 60 Hz AC magnetic field (with and without a 46 microT DC magnetic field) produced no significant effects on Lyn or Syk tyrosine kinase activities or on protein tyrosine phosphorylation in Nalm-6 and DT40 B cells.

DOI: 10.1096/fj.00-0164com · PMID: 11053250

Study URL: https://pubmed.ncbi.nlm.nih.gov/11053250/

Study type: in_vitro

Human reproduction (Oxford, England) · 2000 · PubMed

Mouse pre-antral follicles cultured for 5 days and exposed to pulsed ELF-EMF at 33 or 50 Hz showed no growth effect over 3 days; by day 5, growth was significantly reduced at 33 Hz versus controls, while 50 Hz was not significantly different. Antrum formation was markedly reduced at both frequencies (controls 79±3% vs 30±6% at 33 Hz and 51.6±4% at 50 Hz), with failed antrum formation associated with lower oestradiol release and granulosa cell DNA synthesis; these effects were not related to granulosa cell apoptosis. Oocytes from exposed follicles had reduced ability to resume meiotic maturation compared with controls.

DOI: 10.1093/humrep/15.11.2319 · PMID: 11056125

Study URL: https://pubmed.ncbi.nlm.nih.gov/11056125/

Study type: review

Bioelectrochemistry (Amsterdam, Netherlands) · 2000 · PubMed

The article argues that equilibrium and rate constants are only sensitive to external fields when reaction moments (ΔM) are finite, and that small local EMF-induced shifts in K and k would require amplification to become effective. It proposes structural/functional cooperativity (illustrated with the acetylcholine receptor) as a mechanism that could amplify small field effects on proteins involved in signal transduction, and discusses membrane field amplification and electric field pulses for transient permeabilization.

DOI: 10.1016/s0302-4598(00)00082-9 · PMID: 11059576

Study URL: https://pubmed.ncbi.nlm.nih.gov/11059576/

Study type: randomized_trial

Neuroreport · 2000 · PubMed

Compared with sham exposure, 30 min exposure to 900 MHz EMF (spatial peak SAR 1 W/kg) during waking was associated with increased EEG spectral power during subsequent non-rapid eye movement sleep, with the maximum rise in the 9.75–11.25 Hz and 12.5–13.25 Hz bands early in sleep. Unilateral exposure did not induce hemispheric asymmetry of EEG power.

DOI: 10.1097/00001756-200010200-00012 · PMID: 11059895

Study URL: https://pubmed.ncbi.nlm.nih.gov/11059895/

Study type: randomized_trial

Neuropsychobiology · 2000 · PubMed

In 20 healthy male subjects undergoing all-night polysomnography with and without exposure to a circularly polarized GSM-like RF EMF (900 MHz, pulsed at 217 Hz; power flux density 50 W/m^2), no significant effects were found on conventional sleep parameters or sleep EEG power spectra.

DOI: 10.1159/000026695 · PMID: 11096337

Study URL: https://pubmed.ncbi.nlm.nih.gov/11096337/

Study type: animal

Bioelectromagnetics · 2000 · PubMed

Pregnant Wistar rats were continuously exposed during pregnancy to a low-level 900 MHz, 217 Hz pulse-modulated GSM-like field (0.1 mW/cm^2; modeled whole-body average SAR range 17.5–75 mW/kg). Analyses of adult offspring operant performance scores and IRI patterns found no measurable cognitive deficits from in-utero exposure compared with sham exposure.

PMID: 11102946

Study URL: https://pubmed.ncbi.nlm.nih.gov/11102946/

Study type: in_vitro

Biochimica et biophysica acta · 2000 · PubMed

Exposure to 50 Hz pulsed EMFs (peak magnetic field 3 mT) for 24 h significantly increased basal intracellular Ca2+ from 124±51 nM to 200±79 nM. With substance P pretreatment, [Ca2+]i increased to 555±278 nM, while EMF exposure significantly reduced it to 327±146 nM; IL-6 levels were reported to be ~40% higher than controls immediately after exposure and 24 h later, and proliferative responses increased slightly.

DOI: 10.1016/s0167-4889(00)00111-7 · PMID: 11118642

Study URL: https://pubmed.ncbi.nlm.nih.gov/11118642/

Study type: randomized_trial

International journal of radiation biology · 2000 · PubMed

Exposure to a digital 902 MHz EMF altered ERD/ERS responses in the 6–8 Hz and 8–10 Hz EEG bands, but effects were observed only when analyzed by working memory load and depended on whether stimuli were targets. The authors conclude EMF exposure modulates ~8 Hz EEG oscillatory responses during cognitive processing.

DOI: 10.1080/09553000050201154 · PMID: 11133048

Study URL: https://pubmed.ncbi.nlm.nih.gov/11133048/

Study type: in_vitro

Redox report : communications in free radical research · 2000 · PubMed

SnCl2-treated pBR322 plasmids exposed to EMF showed an EMF-dependent potentiation of DNA scission (appearance of relaxed plasmids). Plasmids pre-exposed to EMF were less capable of transforming Escherichia coli, and the authors conclude EMF in the presence of a transition metal can cause DNA damage.

DOI: 10.1179/135100000101535843 · PMID: 11145105

Study URL: https://pubmed.ncbi.nlm.nih.gov/11145105/

Study type: other

Stomatologiia · 2000 · PubMed

In 103 patients, use of a running alternating magnetic field (ATOS device) and transcutaneous laser biostimulation of blood was reported to accelerate preoperative treatment and to allow periodontal operations to be performed in an optimal status under conditions of improved organism defense forces.

PMID: 11186560

Study URL: https://pubmed.ncbi.nlm.nih.gov/11186560/

Study type: engineering

Behavior research methods, instruments, & computers : a journal of the Psychonomic Society, Inc · 2000 · PubMed

Point-of-gaze errors can occur when a reader leans toward a display device with large metal masses, because the metal distorts magnetic fields and produces false magnetic sensor data. The authors describe a cheaper correction method using a fixture to hold the magnetic sensor in identical positions with and without the distorting effect.

DOI: 10.3758/bf03200830 · PMID: 11189858

Study URL: https://pubmed.ncbi.nlm.nih.gov/11189858/

Study type: other

Medical physics · 2000 · PubMed

EGS4 Monte Carlo calculations in a water phantom suggest strong transverse magnetic fields (nominal center strength B0 1–5 T; max within beam 2.2×B0) can produce localized dose enhancements and corresponding distal dose reductions for 15, 30, and 45 MV photon beams. Significant enhancement occurred at B0=2 T and increased greatly at B0=3 T; stronger fields further increased enhancement only for the 45 MV beam. Example results: for 30 MV with B0=3 T, dose enhancement was 55% (narrow), 32% (medium ~2 cm), and 23% (large ~4 cm) peak-width configurations; dose reductions were ~30% for 30 MV configurations and ~40% for 45 MV configurations.

DOI: 10.1118/1.1326447 · PMID: 11190956

Study URL: https://pubmed.ncbi.nlm.nih.gov/11190956/

Study type: other

American journal of rhinology · 2000 · PubMed

Three months after radiofrequency volumetric tissue reduction of both inferior turbinates, 20/22 patients (91%) reported subjective improvement in nasal patency. Average cross-sectional area (both sides, C-Notch before decongestion) increased in 15/22 patients (68.2%), with a significant mean increase from 1.24 to 1.49 cm2 (p=0.0054). Postoperative edema resolved within the first week.

DOI: 10.2500/105065800779954257 · PMID: 11197110

Study URL: https://pubmed.ncbi.nlm.nih.gov/11197110/

Study type: animal

Voprosy kurortologii, fizioterapii, i lechebnoi fizicheskoi kultury · 2000 · PubMed

In female rats, decimetric electromagnetic waves produced a marked hemodynamic effect with redistribution of intrarenal circulation. Exposure at 395 mW/cm2 was associated with dysregulation of intrarenal blood flow and morphological changes including hemodynamic disorders, flebostasis, stromal edema, tubular epithelial dystrophy, and periglomerular sclerosis with aseptic interstitial inflammation; prostaglandin E2 levels in renal papilla tissue were reported as supporting evidence.

PMID: 11197654

Study URL: https://pubmed.ncbi.nlm.nih.gov/11197654/

Study type: other

Acta oto-laryngologica · 2000 · PubMed

In a prospective, non-randomized European multicenter clinical study of 45 nonapneic snorers, temperature-controlled radiofrequency treatment of the soft palate significantly improved the snoring index (7.6 ± 2.1 to 4.1 ± 2.9; p<0.001) and Epworth Sleepiness Score (8.5 ± 5.0 to 6.0 ± 4.3; p=0.001). No major adverse events were reported and postoperative pain was minimal; 45% achieved a post-treatment snoring index <3 and 84% reported improvement.

DOI: 10.1080/00016480050218735 · PMID: 11200595

Study URL: https://pubmed.ncbi.nlm.nih.gov/11200595/

Study type: exposure_assessment

Radiation and environmental biophysics · 2000 · PubMed

Across 1,835 measurements in German residences (1997–1999), median 50 Hz magnetic fields >0.2 µT were infrequent (1.4% of residences). Among 25 residences within 50 m of high-voltage power lines (123–420 kV), the median field exceeded 0.2 µT in 8 (32%). 24 h measurements correlated well with spot measurements (r>0.7), but agreement was poor when dichotomizing at 0.2 µT; apartment buildings had higher measured fields, with some evidence of positive correlation with traffic density and inverse association with family net income.

DOI: 10.1007/s004110000068 · PMID: 11200967

Study URL: https://pubmed.ncbi.nlm.nih.gov/11200967/

Study type: animal

The International journal of prosthodontics · 2000 · PubMed

Daily application of capacitively coupled electric field (10-Vp-p, 60-kHz sine wave; 8 h/day) significantly increased the bone-contact ratio at 14, 21, and 30 days after implant placement compared with controls. Bone-area ratios at 14 and 21 days were significantly larger than controls and were similar to those of a 90-day control group.

PMID: 11203655

Study URL: https://pubmed.ncbi.nlm.nih.gov/11203655/

Study type: in_vitro

Bioscience, biotechnology, and biochemistry · 2000 · PubMed

Rat Elf-1 cDNAs were cloned and two splice isoforms were identified in addition to full-length Elf-1. In a transient coexpression system, overexpression of rat Elf-1 type 1 inhibited alpha chain promoter activity; type 2 showed lower inhibitory activity than type 1, and type 3 showed no inhibitory effect.

DOI: 10.1271/bbb.64.2601 · PMID: 11210123

Study URL: https://pubmed.ncbi.nlm.nih.gov/11210123/

Study type: in_vitro

Journal of radiation research · 2000 · PubMed

In MO54 cells, ELFMF exposure alone (5, 50, 400 mT) did not significantly change comet assay tail moment versus control up to 400 mT. X-rays (5 Gy) increased DNA strand breaks, and subsequent ELFMF exposure at 50 and 400 mT (at 4°C/on ice) significantly increased tail moment compared with X-rays alone; at 37°C, no significant difference was observed between X-rays alone and X-rays plus 400 mT.

DOI: 10.1269/jrr.41.293 · PMID: 11210830

Study URL: https://pubmed.ncbi.nlm.nih.gov/11210830/