Structure of dried cellular alginate matrix containing fillers provides extra protection for microorganisms against UVC radiation.

abstract：:Radiation exposure leads to a risk for long-term deterministic and stochastic late effects. Two individuals exposed to protracted photon radiation in the radiological accident at the Lilo Military site in Georgia in 1997 received follow-up treatment and resection of several chronic radiation ulcers in the Bundeswehr H...

journal_title：Radiation research

authors： Scherthan H,Abend M,Müller K,Beinke C,Braselmann H,Zitzelsberger H,Köhn FM,Pillekamp H,Schiener R,Das O,Peter RU,Herzog G,Tzschach A,Dörr HD,Fliedner TM,Meineke V

更新日期：2007-05-01 00:00:00

abstract：:The increasing use of mobile phones by children and teenagers has raised concerns about their safety. Addressing such concerns is difficult, because no data are available on possible effects from long-term exposure to radiofrequency (RF) fields during the development of the nervous system. Possible morphological and f...

journal_title：Radiation research

authors： Kumlin T,Iivonen H,Miettinen P,Juvonen A,van Groen T,Puranen L,Pitkäaho R,Juutilainen J,Tanila H

更新日期：2007-10-01 00:00:00

abstract：:The lineal energy distribution and several other dosimetric parameters were measured for the neutrons emitted from a replica of the Hiroshima bomb to determine their usefulness in biological experiments designed to estimate the effectiveness of actual Hiroshima neutrons. The "Little-Boy" replica (LBR) was constructed ...

journal_title：Radiation research

authors： Straume T,McDonald JC,Pederson RA,Brenner DJ,Dobson RL

更新日期：1991-11-01 00:00:00

abstract：:Domestic radon risk estimates are typically based either on data for uranium miners or on data derived from A-bomb survivors; comparison of domestic radon risk estimates derived from these two disparate sources represents an important test of their reliability. There is currently a significant discrepancy of about a f...

journal_title：Radiation research

authors： Brenner DJ,Miller RC,Huang Y,Hall EJ

更新日期：1995-04-01 00:00:00

abstract：:Single crystals of the co-crystalline complex of 1-methyluracil and 9-ethyladenine were X-irradiated and studied using EPR, ENDOR and FSE spectroscopic techniques at 10 K. All together seven radicals were identified, and experimental evidence for at least one more species, as well as for a very low population of radic...

journal_title：Radiation research

authors： Sagstuen E,Hole EO,Nelson WH,Close DM

更新日期：1998-02-01 00:00:00

abstract：:Hypoxic BP-8 murine sarcoma cells were exposed to misonidazole and/or radiation and the kinetics and extent of cell death were evaluated with the [125I]iododeoxyuridine-prelabeling assay. Cell death after treatment with lethal doses of misonidazole was rapid and essentially complete within 2 or 3 days after drug expos...

journal_title：Radiation research

authors： Hofer KG,Friedland JL,Dynlacht J,Hofer MG

更新日期：1987-07-01 00:00:00

abstract：:The structural maintenance of chromosome 1 (Smc1) protein is a member of the highly conserved cohesin complex and is involved in sister chromatid cohesion. In response to ionizing radiation, Smc1 is phosphorylated at two sites, Ser-957 and Ser-966, and these phosphorylation events are dependent on the ATM protein kina...

journal_title：Radiation research

authors： Ivey RG,Moore HD,Voytovich UJ,Thienes CP,Lorentzen TD,Pogosova-Agadjanyan EL,Frayo S,Izaguirre VK,Lundberg SJ,Hedin L,Badiozamani KR,Hoofnagle AN,Stirewalt DL,Wang P,Georges GE,Gopal AK,Paulovich AG

更新日期：2011-03-01 00:00:00

abstract：:Pulse radiolysis and 60Co gamma radiolysis were used to study the effects of ionizing radiations on the activity of glutamate dehydrogenase. Hydroxyl radicals are considerably more effective than hydrated electrons in causing loss of enzymatic activity. Evidence is also presented that the free radical anions (SCN)-.2,...

journal_title：Radiation research

authors： Abu El Failat RR,Moore JS,Davies JV

更新日期：1983-01-01 00:00:00

abstract：:An induction-type radiofrequency generator was used to heat thigh implants of the VX2 rabbit carcinoma. The tumor temperature could be easily raised to over 50 degrees C, while the temperature of normal adjacent muscle generally remained at about 43 degrees C. The marked hypovascularity of the tumor, as demonstrated a...

journal_title：Radiation research

authors： Bookstein JJ

更新日期：1983-02-01 00:00:00

abstract：:Resistance to radiation is considered to be an important reason for local failure after radiotherapy and tumor recurrence. However, the exact mechanisms of tumor resistance remain poorly understood. Current investigations of microRNAs as potential diagnostic and therapeutic tools for cancer treatment have shown promis...

journal_title：Radiation research

authors： Mueller AK,Lindner K,Hummel R,Haier J,Watson DI,Hussey DJ

更新日期：2016-06-01 00:00:00

abstract：:The relationship between binucleate cell formation and the loss of colony-forming ability was examined in several cultured mammalian cell lines irradiated with X rays. The maximum fraction of binucleate cells after X irradiation increased dose-dependently within the range in which reproductive cell death might predomi...

journal_title：Radiation research

authors： Sasaki H,Yoshinaga H,Kura S

更新日期：1986-12-01 00:00:00

abstract：:These studies were carried out to examine the capacity of alpha-difluoromethylornithine (DFMO) to modulate cell proliferation and apoptosis in cells of squamous cell carcinomas (SCCs) of the head and neck. Exposure of cells to DFMO (5 mM for 48 h) depleted intracellular putrescine and spermidine levels (greater than 5...

journal_title：Radiation research

authors： Bock JM,Pickart MA,Pink JJ,Harari PM

更新日期：1999-12-01 00:00:00

abstract：:Clinicians involved in conventional radiation therapy are very concerned about the dose-response relationships of normal tissues. Before proceeding to new clinical protocols, radiation biologists involved with conformal proton therapy believe it is necessary to quantify the dose response and tolerance of the organs an...

journal_title：Radiation research

authors： Kubínová L,Mao X,Janácek J,Archambeau JO

更新日期：2003-07-01 00:00:00

abstract：:We have developed a new detection method for measuring distributions of energy depositions from particles characterized by low linear energy transfers (LETs). In particular, we have developed a detection system to measure energy depositions produced by electrons and photons on nanometer scales. The detector is based u...

journal_title：Radiation research

authors： Evans TM,Wang CK

更新日期：1999-01-01 00:00:00

abstract：:Numerous experimental and clinical studies have been completed regarding the effects of carbogen and nicotinamide on tumor oxygenation and radiosensitivity. The current study incorporates three physiological measurement techniques to further define spatial variations in oxygen availability and development of hypoxia a...

journal_title：Radiation research

authors： Fenton BM,Lord EM,Paoni SF

更新日期：2000-01-01 00:00:00

abstract：:The analysis of mitotic indices (MI) and chromosome breakages in metaphases of 50-hr lymphocyte cultures exposed to the calcium or zinc chelates of diethylenetriamine pentaacetic acid (DTPA) demonstrated: (1) an 80% reduction in MI in cultures from three women but no reduction in those from two men after in vitro expo...

journal_title：Radiation research

authors： Littlefield LG,Joiner EE,Colyer SP,DuFrain RJ,Washburn LC

更新日期：1984-07-01 00:00:00

abstract：:The reactions of free and DNA-bound 2,2,5,5-tetramethylpyrrolidine-N-oxyl (PROXYL) probes with radicals generated during radiolysis of dilute aqueous solutions of DNA were examined. For the free PROXYL probe in deaerated solution with each of the four nucleotides (dAMP, dCMP, dGMP, and TMP) it was found that the pyrim...

journal_title：Radiation research

authors： Swarts SG,Sevilla MD

更新日期：1987-10-01 00:00:00

abstract：:Human blood cultures were exposed to a 1.9 GHz continuous-wave (CW) radiofrequency (RF) field for 2 h using a series of six circularly polarized, cylindrical waveguides. Mean specific absorption rates (SARs) of 0.0, 0.1, 0.26, 0.92, 2.4 and 10 W/kg were achieved, and the temperature within the cultures during a 2-h ex...

journal_title：Radiation research

authors： McNamee JP,Bellier PV,Gajda GB,Miller SM,Lemay EP,Lavallée BF,Marro L,Thansandote A

更新日期：2002-10-01 00:00:00

abstract：:The study design and obtained results represent an intercomparison of various laboratories performing dose assessment using the dicentric chromosome analysis (DCA) as a diagnostic triage tool for individual radiation dose assessment. Homogenously X-irradiated (240 kVp, 1 Gy/min) blood samples for establishing calibrat...

journal_title：Radiation research

authors： Beinke C,Barnard S,Boulay-Greene H,De Amicis A,De Sanctis S,Herodin F,Jones A,Kulka U,Lista F,Lloyd D,Martigne P,Moquet J,Oestreicher U,Romm H,Rothkamm K,Valente M,Meineke V,Braselmann H,Abend M

更新日期：2013-08-01 00:00:00

abstract：:Octacalcium phosphate (OCP) {Ca8H2(PO4)6×5H2O] has attracted increasing attention over the last decade as a transient intermediate to the biogenic apatite for bone engineering and in studies involving the processes of pathological calcification. In this work, OCP powders obtained by hydrolysis of dicalcium phosphate d...

journal_title：Radiation research

authors： Shurtakova DV,Yavkin BV,Mamin GV,Orlinskii SB,Sirotinkin VP,Fedotov AY,Shinkarev A,Antuzevics A,Smirnov IV,Tovtin VI,Starostin EE,Gafurov MR,Komlev VS

更新日期：2020-12-10 00:00:00

abstract：:To determine whether exposure to radiofrequency (RF) radiation can induce DNA damage or apoptosis, Molt-4 T lymphoblastoid cells were exposed with RF fields at frequencies and modulations of the type used by wireless communication devices. Four types of frequency/modulation forms were studied: 847.74 MHz code-division...

journal_title：Radiation research

authors： Hook GJ,Zhang P,Lagroye I,Li L,Higashikubo R,Moros EG,Straube WL,Pickard WF,Baty JD,Roti Roti JL

更新日期：2004-02-01 00:00:00

abstract：:A rare T-cell subpopulation, CD4-8- alpha beta T cells, may be differentiated through a pathway (or pathways) different from the pathway(s) of conventional CD4+ or CD8+ T cells. In the present study, the frequencies of CD4-8-T cells in peripheral-blood alpha beta T cells in 409 atomic bomb survivors (160 estimated to ...

journal_title：Radiation research

authors： Kusunoki Y,Kyoizumi S,Hirai Y,Fujita S,Akiyama M

更新日期：1994-07-01 00:00:00

abstract：:Evaluating the risk for central nervous system (CNS) effects after whole-body or partial-body irradiation presents challenges due in part to the varied exposure scenarios in the context of occupational, accidental or wartime releases. Risk estimations are further complicated by the fact that robust changes in brain fu...

journal_title：Radiation research

authors： Baddour AAD,Apodaca LA,Alikhani L,Lu C,Minasyan H,Batra RS,Acharya MM,Baulch JE

更新日期：2020-01-01 00:00:00

abstract：:Radiation-induced complications of the respiratory system are a common side effect of thoracic radiotherapy with no viable treatment option. Here, we investigated the potential therapeutic effect of the orphan drug pirfenidone for treating radiation-induced pulmonary fibrosis. C57BL/6 mice received a single fraction o...

journal_title：Radiation research

authors： Qin W,Liu B,Yi M,Li L,Tang Y,Wu B,Yuan X

更新日期：2018-10-01 00:00:00

abstract：:Changes in the free-cell population of the lungs of two strains of mice (SAS/4 and CBA/H) were studied up to 4 months after inhalation exposure to a sized fraction of 239PuO2 particles (1.5 micron AMAD) to give initial alveolar depositions (IADs) ranging from 17 to 810 Bq. A sample of the free-cell population of the l...

journal_title：Radiation research

authors： Moores SR,Talbot RJ,Evans N,Lambert BE

更新日期：1986-03-01 00:00:00

abstract：:Experiments were performed to test whether significant amounts of pyrimidine dimers are produced in cultured cells of tobacco (Nicotiana tabacum L. var. Xanthi) and of Haplopappus gracilis by ultraviolet light in the biological dose range and whether either or both dark and light repair systems exist in these cells. T...

journal_title：Radiation research

authors： Trosko JE,Mansour VH

更新日期：1968-11-01 00:00:00

abstract：:This study was undertaken to determine if structural alterations of the bulk chromatin and the amount of protein associated with the nuclear matrix in cerebellar neurons depend on radiation dose and a cell's state of oxygenation. After irradiation with 2.5 to 25.0 Gy under both aerobic and anoxic conditions, the sensi...

journal_title：Radiation research

authors： Jaberaboansari A,Landis MR,Wallen CA,Wheeler KT

更新日期：1989-07-01 00:00:00

abstract：:In this study, we investigated the effect of (131)I gelatin microspheres ((131)I-GMSs) on human hepatocellular carcinoma cells (HepG2) in nude mice (Balb/c) and the biodistribution of (131)I-GMSs after intratumoral injection. The treatment group and control group animals received intratumoral injections of 1 mCi (131)...

journal_title：Radiation research

authors： Chi JL,Li CC,Xia CQ,Li L,Ma Y,Li JH,Chen Z,Chen XL

更新日期：2014-04-01 00:00:00

abstract：:The relationship between apoptosis induced by gamma radiation and glutathione in cells of two human cancer cell lines, HeLa from cervix carcinoma and MCF-7 from mammary carcinoma, was examined. MCF-7 cells appeared to be more radioresistant than HeLa cells, and radiation-induced apoptosis, which was monitored by asses...

journal_title：Radiation research

authors： Rosi A,Grande S,Luciani AM,Palma A,Giovannini C,Guidoni L,Sapora O,Viti V

更新日期：2007-03-01 00:00:00

abstract：:Proteinase-activated receptor 2 (Par2, F2rl1, also designated PAR-2 or PAR2) is prominently expressed in the intestine and has been suggested as a mediator of inflammatory, mitogenic and fibrogenic responses to injury. Mast cell proteinases and pancreatic trypsin, both of which have been shown to affect the intestinal...

journal_title：Radiation research

authors： Wang J,Zheng H,Hollenberg MD,Wijesuriya SJ,Ou X,Hauer-Jensen M

更新日期：2003-11-01 00:00:00