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Sunday, May 3, 2020 | History

2 edition of Microwaves, hyperthermia, and human leukocyte function found in the catalog.

Microwaves, hyperthermia, and human leukocyte function

Norbert J Roberts

Microwaves, hyperthermia, and human leukocyte function

  • 250 Want to read
  • 13 Currently reading

Published by U.S. Environmental Protection Agency, Center for Environmental Research Information in Research Triangle Park, NC, Cincinnati, OH .
Written in English

    Subjects:
  • Microwaves -- Physiological effect,
  • Heat -- Physiological effect,
  • Radiation dosimetry

  • Edition Notes

    StatementNorbert J. Roberts, Jr., Shin-Tsu Lu, and Sol M. Michaelson
    ContributionsLu, Shin-Tsu, Michaelson, Sol M, Health Effects Research Laboratory (Research Triangle Park, N.C.)
    The Physical Object
    Pagination3 p. :
    ID Numbers
    Open LibraryOL14892976M

    The effect of mild hyper- and hypothermic stress on release of selected hormones (somatotropin, noradrenaline, etc.), interferon (IFN), and activity of NK cells in the blood was examined in groups of young males during a 30 min exposure to 39° C and 4°C.A quick release of somatotropin was registered in 44% of examinees in the hyperthermic group, while the persons exposed to 4°C reacted with Cited by: Hyperthermia, radiation and chemotherapy: the role of heat in multidisciplinary cancer care. The Commons is a showcase for Jefferson books and journals, peer-reviewed scholarly publications, unique historical collections from the University archives, and teaching tools. The chaperone function of HSP relates to their role in.   The Gale encyclopedia of nursing & allied health by None. Publication date Hospital administration -- Human anatomy -- Human growth and development -- Human leukocyte antigen test -- Hydrotherapy -- Hypercoagubility tests -- Hyperopia -- Hypertension Internet Archive :   Hyperthermia has been studied for the treatment of chronic pain, recurrent respiratory infections, asthma, urinary tract infections, and immune deficiency. Induced hyperthermia was first evaluated in animal models 25 years ago, and then in human subjects over the past 20 years, both in cancer patients and in healthy volunteers.


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Microwaves, hyperthermia, and human leukocyte function by Norbert J Roberts Download PDF EPUB FB2

In addition, the studies will explore the effects of micro- wave-induced hyperthermia Microwaves the function of human leukocytes in host defenses that are pertinent when chal- lenged by bacteria, viruses, toxic foreign material and neoplastic tissue.

Materials and Methods Human mononuclear leukocytes were exposed in a waveguide system to Hyperthermia (CW) microwaves for 2 hours at specific absorption rates (SARs) from to 4 mW/ml. The safety standard limit proposed by Committee C of the And human leukocyte function book National Standards Institute is mW/g, which is equivalent in these cultures to mW/ml.

Get this from a library. Microwaves, hyperthermia, and human leukocyte function. [Norbert J Roberts; Shin-Tsu Lu; Sol M Michaelson; Health Effects Research Laboratory (Research Microwaves Park, N.C.)]. Abstract. In technologically advanced countries, radiofrequency and microwave radiation (RF/MWR) is interwoven with daily life, affecting all to some degree, many to a hyperthermia degree.

Studies by numerous investigators have raised the possibility that the immunological and hematological systems of humans and experimental animals are particularly Cited by: 8. Complete and human leukocyte function book of transplanted mammary acarcinoma was achieved in C3H mice.

In several clinical cams, hyperthermia appeared to be beneficial in the treatment of basal. and human leukocyte function book carcinoma, malignant melanoma, and skin metastases of carcinoma of the breast.

Microwave-induced heating, Localized by: II Enhanced production of and response to leukocyte migration inhibition factor (LIF) J Immunol 93 Microwaves Smith Jb Knowlton Rp Agarwal Ss Human lymphocyte responses are enhanced by culture at 40°C J Immunol 94 19 Roberts Nj Jr Steigbigel Rt Hyperthermia and human leukocyte functions: effects on response of Cited by: N.J.

Roberts, Jr., R.T. Steigbigel, Hyperthermia and human and human leukocyte function book functions: Effects on response of lymphocytes to mitogen and antigen and bactericidial capacity of monocytes and neutrophils, Infect Immun – ().

Google ScholarCited by: 1. Hyperthermia and human leukocyte functions: effects on and human leukocyte function book of lymphocytes to mitogen and antigen and bactericidal and human leukocyte function book of monocytes and neutrophils.

Infect Immun. Dec; 18 (3)– [PMC free article] Smith JB, Knowlton RP, Agarwal SS. Human lymphocyte responses are enhanced by culture at 40 degrees C. J Immunol. Microwaves produced by the antenna heat up the cancerous tissue and produce thermonecrosis in at the distance 1 cm to 5 cm from the heat source [4].

In recent years, many studies on hyperthermia describing Microwaves techniques can be found in the literature, including laser heating [5], microwave heating [7] as well as Microwaves heating [8]. High temperatures have been used to destroy tumor cells through a treatment known as Hyperthermic Oncology.

Hyperthermia is an old treatment yet new tools and more precise delivery of heat has allowed hyperthermia to be used for cancer treatment. Though rarely used, hyperthermia research is suggesting it be used by oncologists with every patient because.

Hyperthermia and human leukocyte functions: DNA, RNA, and total protein synthesis after exposure to less than 41 degrees hyperthermia greater than degrees hyperthermia.

Roberts NJ Jr, Lu ST, Michaelson by: Recent developments in high peak hyperthermia pulsed microwave systems have rekindled interest in exploring potential biological effects of high peak power radiofrequency pulses. N.J., Jr., Lu, S.-T., and Michaelson, S.M.,Hyperthermia and human leukocyte functions Biological Effects of High Peak Power Radio Frequency Pulses.

In: Lin J.C Cited by: 3. Free Online Library: Effect of heat preconditioning by microwave hyperthermia and human leukocyte function book human skeletal muscle after eccentric exercise.(Research article) by "Journal of Sports Science and Medicine"; Health, general Exercise Health aspects Heat shock proteins Physiological aspects Muscle cramps Care and treatment And human leukocyte function book Risk factors.

Induced hyperthermia causes significantly increased serum cortisol, plasma norepinephrine and plasma epinephrine concentrations compared to controls. It is possible that the altered immune functions induced by elevated body temperature can be ascribed to altered composition and function of blood mononuclear cells induced by elevated levels of stress by: Petrovich Z, Langholz B, Astrahan M, Emami B,Deep microwave hyperthermia for metastatic tumors of the liver.

Recent Results Cancer Res - 8. Google ScholarCited by: 3. Cell death in the “hyperthermia range” (42–47 °C) appears to be due to protein denaturation and is strongly enhanced by properties of the tumor microenvironment such as low glucose and reduced extracellular pH.

All cells however possess a powerful resistance mechanism triggered by hyperthermia. In this approach, microwave hyperthermia is conducted in a 3D environment which allows targeting microwave power to tumours located at various locations by using a fixed antenna array.

The capability of using 3D focusing microwave hyperthermia for treating the breast is extensively studied and confirmed. The technique suggested inCited by: 4. Hyperthermia and human leukocyte functions: effects on response of lymphocytes to mitogen and antigen and bactericidal capacity of monocytes and neutrophils.

Infect Immun. Dec; 18 (3)– [PMC free article] Sebag J, Reed WP, Williams RC., Jr Effect of temperature on bacterial killing by serum and by polymorphonuclear leukocytes.

The effects of variations in pH and temperature on the activation of mouse thymocytes by both forms of interleukin-1 Article (PDF Available) in The Yale journal of biology and medicine 58(2) Pettigrew R.

T., Galt G. and Ludgate C. () Circulatory and biochemical effects of whole body hyper- thermia. Surg. 61, Roberts N. Jr and Steigbigel R. () Hyperthermia and human leukocyte functions: effects on response of lym- phocytes to mitogen and antigen and bactericidal capacity of monocytes and neutrophils Author: Michel F.

Sultan, Wayne A.F. Tompkins, Charles A. Cain. Hyperthermia and human leukocyte functions: effects on response of lymphocytes to mitogen and antigen and bactericidal capacity of monocytes and neutrophils. Infect Immun. Dec; 18 (3)–Cited by: The electric conductivity of subcutaneous sample exposed to microwave as a function of frequency.

and undiseased human female breast tissues have been measured at GHz using a resonant. Quock and co-workers also demonstrated some hydrofilic drugs such as acetycholine antagonist methylatropine, dopamin antagonist domperidone, and the chemotherapeutic drug methotrexate uptake can be increased with microwave induced hyperthermia (55,56).

Exposure to microwaves at thermal levels may make the brain more vulnerable for by: 5. Roberts NJ, Jr, Steigbigel RT. Hyperthermia and human leukocyte functions: effects on response of lymphocytes to mitogen and antigen and bactericidal capacity of monocytes and neutrophils.

Infect Immun. ;– PubMed Google ScholarCited by: 7. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Studies with human cells have demonstrated better function at fever temperatures ([deg]C) than at 37[deg]C for neutrophil chemotaxis, phagocytosis, and oxygen consumption, 13 / intracellular killing of bacteria by neutrophils, 14 lymphocyte transformation,' the production of lymphokines by stimulated lymphocytes, 17 and cytotoxicity Cited by: 6.

The aim of this study was to investigate whether fever and antipyretic drugs had an adverse effect on human polymorphonuclear leukocyte (PMN) functions (phagocytic and intracellular killing activity).

Twenty febrile children with an axillary temperature of 39–40 Cited by: 5. Bill details how a microwave oven heats food. He describes how the microwave vacuum tube, called a magnetron, generates radio frequencies that cause the water in.

Request PDF | Hyperthermia and Chemotherapy: The Science | Cancer ranks second only to heart disease as the greatest cause of mortality in the United States.

Despite significant strides in. Roberts, N. Jr & Steigbigel, R. Hyperthermia and human leukocyte functions: effects on response of lymphocytes to mitogen and antigen and Cited by: Hyperthermia to Treat Cancer.

Hyperthermia usually is taken to mean a body temperature that is higher than normal. High body temperatures are often caused by illnesses, such as fever or heat stroke. But hyperthermia can also refer to heat treatment – the carefully controlled use of heat for medical purposes.

In contrast with the potentiation of antimicrobial functions at febrile temperatures, exposure to temperatures above the usual human febrile range (41°C–45°C) has been shown to reduce bacterial phagocytosis and killing [35, 38–41], which suggests that any enhancement of relevant PMN functions during fever might be lost if body temperature Cited by: Microwaves and short waves cannot be used on or near persons with implanted electronic cardiac pacemakers.

Hyperthermia induced by microwave diathermy raises the temperature of deep tissues from 41 °C to 45 °C using electromagnetic power. The biological mechanism that regulates the relationship between the thermal dose and the healing process ICDCM: In accord with the results of both animal and human studies, acute cold stress increased circulating leukocyte and neutrophil counts.

Jansky et al. (22) reported increases in both red cell and leukocyte counts when their subjects were initially immersed in cold (14°C) water for 1 by: Interstitial microwave hyperthermia in a canine brain model International Journal of Radiation Oncology*Biology*Physics, Vol.

12, No. 10 Effects of Hyperthermia and Nicotinamide on DNA Repair Synthesis, ADP-ribosyl Transferase Activity, NAD + and ATP Pools, and Cytotoxicity in γ-irradiated Human Mononuclear LeukocytesCited by: Although there are positive clinical results, present industrial state-of-the-art microwave hyperthermia treatment systems suffer from inability to adequately heat tumours in all regions of the body.

We believe that this is partly due to limitations in technology and focusing algorithms. Objective: To determine the short-term effects of local microwave hyperthermia on pain and function in patients with mild to moderate idiopathic carpal tunnel : Double-blind randomized sham-controlled g: Outpatient clinic of the Department of Physical Medicine and Rehabilitation, University ipants: Twenty-two patients with idiopathic carpal tunnel Cited by: Hyperthermia in Oncology A Hot Topic Hyperthermia (HT), or thermal therapy, is the use of high temperature or heat against cancerous tissues.

This article will look at local-regional HT, which has historically been used in some form or another across most ancient medical traditions. Naturopathic training includes the use of various local therapeutic heat treatments [ ].

Cellular changes. Temperatures in the range of moderate hyperthermia can be non-lethal (39 to 42°C) or lethal (>42°C). Temperatures above 42°C were shown to kill cancer cells in a time- and temperature-dependent manner that was measured by the clonogenic cell survival assay [].However, despite numerous studies during at least three decades, which have improved our understanding of Cited by: In Dr.

Lita Lee's book, Health Effects of Microwave Radiation - Microwave Ovens, and in the March and September issues of Earthletter, she stated that every microwave oven leaks electro-magnetic radiation, harms food, and converts substances cooked in.

Hyperthermia is an heat treatment. Its general name is given pdf a variety of heat-related illnesses. Due to spinal cord injury, the temperature of body has increased tendency to fluctuate according to the temperature of the environment.The accumulation of too much heat within the body is life threatening since metabolism is dependent on the actions of enzymes that only function with a very narrow temperature range.

All animals. Doctors at Clifford Hospital Hyperthermia Ebook in Guangzhou, China — possibly the largest hyperthermia center in the world – concur that heat treatments, in particular whole body hyperthermia, “can stimulate and reinforce the function of the body’s immune system.”.