Es of trials indicates a 2% advantage in disease- free survival at 5 years when adjuvant therapy treated patients treated with 5- fu/leucovorin are compared to untreated controls. [30][level of evidence: 1iiidi] patients with stage ii colon cancer remain candidates for clinical trials in which either surgery alone or 5-fu/leucovorin represents standard therapy. generic viagra super active 100mg [31-33] there is no standard chemotherapy for patients with widespread metastatic disease, but trials with 5-fu and leucovorin have demonstrated increased numbers of partial responses and prolongation of the time to progression of disease,[34,35] as well as improved survival and quality of life for patients receiving chemotherapy compared to best supportive care. [36,37] several trials have analyzed the activity and toxic effects of various 5-fu plus leucovorin regimens in patients 70 years of age or older as compared to younger patients. viagra to buy online in australia Similar quantitative and qualitative toxic effects of therapeutic outcomes have been observed for patients of all ages. directions on taking viagra [38][level of evidence: 2a,c];[39][level of evidence: 2a,c] patients should be considered candidates for clinical trials evaluating new approaches to treatment. [40,41] irinotecan (cpt-11) is a topoisomerase-i inhibitor with a 10% to 20% partial response rate in patients with metastatic colon cancer, in patients who have received no prior chemotherapy, and in patients progressing on 5-fu therapy. [42,43] it has been approved by the food and drug administration for the treatment of patients with metastatic disease that is refractory to 5-fu. buy viagra without prescription The designations in pdq that treatments are "standard" or "under clinical evaluation" are not to be used as a basis for reimbursement determinations. generic viagra super active 100mg References: bokey el, moore jw, chapuis ph, et al. : morbidity and mortality following laparoscopic-assisted right hemicolectomy for cancer. Diseases of the colon and rectum 39(10, suppl): s24-s28, 1996. Franklin me, rosenthal d, abrego-medina d, et al. : prospective comparison of open vs. Laparoscopic colon surgery for carcinoma: five-year results. viagra without a doctor prescription Diseases of the colon and rectum 39(10, suppl): s35-s46, 1996. youngest age use viagra Fleshman jw, nelson h, peters wr, et al. order viagra : early results of laparoscopic surgery for colorectal cancer: retrospective analysis of 372 patients treated by clinical outcomes of surgical therapy (cost) study group. Diseases of the colon and rectum 39(10, suppl): s53-s58, 1996. buy viagra Marchesa p, milsom jw, hale jc, et al. generic viagra super active 100mg : intraoperative laparoscopic liver ultrasonography for. viagra generic Better World Science & Technology

specializes in the development and  application of the revolutionary field of Quantum Vacuum Engineering. QVE utilizes the coherence of Zero-Point energy from so called "empty" space.  This is accomplished in accordance with concrete experimental evidence from Quantum field theory and other advanced concepts including the radically new Lattice Nested Hydreno atomic model.   

    Our primary mission is the effective deployment of QVac Engineered power systems and Field Effect (reactionless) propulsion devices for micro-infrastructure applications in the Third World and other trouble spots.  Ideally, QVac engineered systems require no material fuel supply. Power is instead supplied from the energetic vacuum of space. Field effect propulsion does not require a material reaction medium such as necessary for conventional propellers, jets and rockets. 

    A wide variety of QVac engineered systems already exist in various states of development or active suppression from the "old boy" network of big government and big business, firmly entrenched in the ailing fossil fuelled economy.   more> 

Company Profile

    We are Federally Incorporated,  R&D and Technology Transfer consulting firm with international aspirations to introduce the world to QVac Engineered systems.  

    Our name, TECHTONIX is a play on the term from geomorphology, referring to the world changing effects of plate tectonics because we are going to rock your world (for the better).  Please join us in ushering in an unprecedented green revolution in science and technology.  Science and Technology for a better world.

Mark Porringa, PEng
President & CEO

      Mark Porringa is a fifteen year veteran of the Nuclear industry with a total of 24 years experience as a professional Engineer in various capacities from R&D to Manufacturing, in a broad spectrum of industries.
Frustrated by the growing limitations of indeterminate science and technology, he has for the last ten years applied his personal efforts to the development of various advanced concepts in Quantum mechanics aimed at utilizing the ubiquitous isotropic energy of  "empty" space, for a broad range of revolutionary power, propulsion and nuclear technologies including the Passive Inertial Confinement, ZIPP fusion process.  
      A key component of this effort has been the development of a new, highly  deterministic Atomic model, which very closely corresponds to macroscopic reality.  His peer reviewed research has been published in various Journals and Lectures including the Annals of the prestigious Louis de Broglie Foundation and the Canadian Nuclear Society.

© 2006 - 2012

The New LNH Atomic Model

    The Lattice Nested Hydreno (LNH) Atomic model is a central feature of QVac Engineering.  The LNH model explains and legitimizing the development of power sources requiring no material fuel, propulsion systems that do not require a reaction medium, and low energy Nuclear reactions using the Passive Inertial Confinement, ZIPP fusion process and its variants.
    For a brief introduction to the new model visit our companion
Quantum Vacuum Engineering

    The term Quantum Vacuum Engineering was first coined by Nobel Laureate, T.D. Lee who proposed  that the energetic vacuum of space might some day be engineered to provide fantastic new technologies.  That day is now here, and the QVac Engineering revolution is on the horizon.....
QVac Engineering Science Assoc.

The Quantum Vacuum Engineering Science Association, QVESA is a new Learned society being set up to promote the development of Quantum Vacuum Engineering and its underlying science. 
       Membership will be open to all interested parties within various membership categories including professionals and layman.   Watch for further developments in the coming months ...
Better World Science & Technology
Aluminum nucleus
Cadmium  Nucleus
Sulphur nucleus
       Argon Atom                   Neon Atom  
Sulfur 32        Nucleus
Updated May 2012
Hydreno Atomic Model
REVIOX Cancer Treatment

Check out our companion website focused on alternative natural cancer treatments that actually treat causes rather than just blasting the symptoms with all manner of violence (the slash burn and poison trio). 
Aluminum nucleus
Aluminum       Nucleus
Arsenic Nucleus
Arsenic          Nucleus

A Preprint E-book of the revolutionary Lattice Nested Hydreno Atomic model has just recently been released.   Order your copy of this historic publication today for immediate download
Please bare with us while we continue to build and refine our website.    New material will be added frequently, so bookmark  us and come back soon as we continue to  unveil more astounding details of this radically new field of science and engineering.