scholarly journals Project e-HD: an archiving system for electronic documents related to High Dilution research

2021 ◽  
Vol 9 (31) ◽  
pp. 85-89
Author(s):  
Carlos Renato Zacharias
Keyword(s):  
Peer Review ◽  
Common Sense ◽  
Experimental Models ◽  
High Dilution ◽  
Electronic Documents ◽  
High Dilutions ◽  
Institutional Websites

Peer-review journals and indexation agencies have an important role in the society as they certify the scientific common sense. However, they represent the edge-of-the-iceberg of the all produced knowledge. Within the “underwater production” there are many ideas, incomplete theoretical proposals and suggestions for new experimental models, some of them interesting, others more limited and a further group untenable. In common all of them are left aside and hidden from the most of people, including scientists. This article introduces a new initiative dedicated to the archiving of electronic documents (e-doc) referred to the High Dilution research, and was named as e-HD. It is opened to pre- and post-prints, lecture’s slides, movies, institutional websites and all relevant e-doc related to High Dilutions. e-HD is one more attempt to insert the High Dilution research in the scientific scenario giving visibility to all contributions in this field. While not substituting a peer-review journals, it can be used as a first step to refine preprints through open discussions before a more elaborated article’s version is done, aiming the final publication in peer-review journals.

scholarly journals Immunological research about ultra-high dilution and Homeopathy: From 1994 to 2014

2021 ◽  
Vol 14 (2) ◽  
pp. 46-46
Author(s):  
Leoni Villano Bonamin
Keyword(s):  
In Vitro Models ◽  
Experimental Models ◽  
Parasitic Infections ◽  
Special Focus ◽  
High Dilution ◽  
Multi Centre Study ◽  
High Dilutions ◽  
Immunological Research ◽  
Dilution Effects

Background: This review is part of a special issue of journal “Homeopathy” (ELSEVIER) scheduled for publication in 2015, about the follow-up of researches published in the book titled “Ultra-High Dilution, Physiology and Physics”, written and edited by PC Endler and J Schulte in 1994. In this book, Prof. Madeleine Bastide described experimental models in immunology that were used during the 1980s to investigate high dilution effects on several biological systems. Bastide categorized available papers in four categories: high dilutions of antigens; high dilutions of thymus, bursa and other hormones; high dilutions of cytokines and immunopharmacological activity of silica. The studies about high dilutions of antigens were interrupted from this time onwards. Only the in vitro models developed on antigens and histamine dilutions lasted up to 2009. During this process, a huge multi-centre study was performed, with high reproducibility, and involving different independent laboratories. The studies about highly diluted cytokines, thymulin and other hormones brought some regulatory properties of endogenous substances prepared homeopathically, with special focus on epigenetic mechanisms of highly diluted cytokines. The frequently studied substance was Thymulin 5cH, which improved the activity of phagocytes in viral, bacterial and parasitic infections. Studies about the immunopharmacological activity of silica have assumed a new focus: the putative role of silica as active contaminant present in high dilutions, that is still under discussion.

scholarly journals Triiodothyronine, diluted according homeopathic techniques, modifies the programmed cell death of tadpole tail's explants

2021 ◽  
Vol 10 (35) ◽  
pp. 91-93
Author(s):  
José Roberto Pereira Guedes ◽  
Solange Carrasco ◽  
Cláudia Maris Ferreira Mostério ◽  
Leoni Villano Bonamin ◽  
Welluma Souza ◽  
...  
Keyword(s):  
Cell Death ◽  
Ex Vivo ◽  
Experimental Models ◽  
Dose Effect ◽  
High Dilution ◽  
Stimulant Effect ◽  
Effect Curve ◽  
High Dilutions ◽  
Potency Effect

High Dilution is a solution beyond the Avogadro limits that, in the dependence of the applied succussion elicits a suppressive or a stimulant effect on a living cell, with a consequent generation of an oscillatory dose-effect curve. According to Bonamin et al. [1], “Perhaps, the most enigmatic feature regarding the properties of high dilutions is the non-linearity of their effects. In several studies employing in vivo and ex vivo models, especially involving iso-endopathy, an oscillatory potency-effect curve has appeared. The first observations were initially considered as artifacts, but the repetition of this pattern in different studies involving completely different experimental models, in times and places equally different, points out to the existence of a property intrinsic to dynamized systems.” ...

Very high dilutions of dexamethasone inhibit its pharmacological effects in vivo

2001 ◽  
Vol 90 (04) ◽  
pp. 198-203 ◽  
Author(s):  
LV Bonamin ◽  
KS Martinho ◽  
AL Nina ◽  
F Caviglia ◽  
RGW Do Rio
Keyword(s):  
Inflammatory Cells ◽  
Experimental Models ◽  
Tumour Cells ◽  
Pharmacological Effects ◽  
Trypan Blue Exclusion ◽  
Male Adult ◽  
Trypan Blue Exclusion Method ◽  
High Dilutions ◽  
Ascitic Tumour

AbstractWe evaluated the interaction of dexamethasone 10−17 and 10−33 M (equivalent to 7cH and 15cH) with dexamethasone in pharmacological concentrations, using as experimental models: acute inflammation induced by carrageenan, Ehrlich ascitic tumour, and migration of tumour infiltrating leukocytes (TIL). Male adult BALB/c mice (n=7 per group) were used in all experiments. Carrageenan (1%) was injected into the footpad for oedema evaluation and into the peritoneal cavity (i.p.), for differential counting of inflammatory cells. Ehrlich ascitic tumour cells (107 viable cells/ml) were injected i.p. and tumour cells were counted after 6 days, by the Trypan blue exclusion method. The differential TIL was counted using smears stained by hematoxylin–eosin. Treatments were made immediately after carrageenan inoculation or once a day, during Ehrlich tumour development, until the animals were killed. Animals were treated with the following preparations: (1) phosphate buffer saline (PBS) solution; (2) dexamethasone (0.5 mg/kg for inflammation model or 4 mg/kg for tumour model) mixed with dexamethasone 7cH or 15cH; (3) dexamethasone (same doses) mixed in PBS. Homeopathic dexamethasone partially blocked the anti-inflammatory effect of pharmacological dexamethasone with regard to paw oedema (two-way ANOVA, P≤0.0008) and polymorphonuclear cell migration (χ2, P=0.0001). No important differences were observed between experimental and control groups, in relation to Ehrlich tumour cells viability or count, or bodyweight, but potentised dexamethasone restored control levels of TIL viability, compared to mice treated with pharmacological doses of dexamethasone (χ2, P≤0.001). The results demonstrate that a potentised substance may change its own pharmacological effects and suggest that ultradilutions effects act mostly on host response.

Therapeutic possibilities of Bothrops jararaca in high dilution

2021 ◽  
Vol 10 (36) ◽  
pp. 215-217
Author(s):  
Eduardo Costa Gaia Nazareth ◽  
Francisco José De Freitas
Keyword(s):  
Bacterial Infections ◽  
Complement C3 ◽  
Clinical Aspects ◽  
High Dilution ◽  
Complement Components ◽  
Physical Description ◽  
Bothrops Jararaca ◽  
High Dilutions ◽  
The Many ◽  
Therapeutic Possibilities

Introduction: The knowledge and use of the venom of Bothrops jararaca in high dilutions is still quite limited. One of the important properties is the use of one of its components, bradykinin, for the development of antihypertensive medication known as captopril. Other situations, such as clinical, local and systemic should receive more depth to the composition of Materia Medica related to various medical actions on the man and mammals in general. The systemic action of the bite of this snake, includes hemostasis disorders, culminating as bleeding gums, in addition to sweating, hypertension, and hypothermia. The action includes local pain and swelling with bruising, bleeding and often blistering and tissue necrosis. The action on the immune system, through action on the complement C3 and other complement components may show its possible use in cases of bacterial infections, including mycobacteria, as presented in the study of 1970 Vanessa Birdsey, "Interactions of poisons toxic with the addition, "the journal of Immunology 1971. Today, this poison has a toxicology published by Anibal Melgarejo, "Venomous Animals of Brazil", 2003, which subsidizes the development of study for its use in high dilutions, and a comprehensive study of the biology of the animal itself. Published studies on biomolecular analysis add more details about the relations of the poison and mammals. All these characteristics suggest the use of poison as a homeopathic remedy. Objective: To investigate the therapeutic possibilities in high dilutions of the venom of the snake Bothrops jararaca, expanding its clinical use. Methodology: Methodological description of this poison in contemporary bases including: Origin, physical description chemistry, toxicology, pharmacology and medicine in preparation of high dilution, general action, specific actions on systems or organs, sensations, modalities, concomitants, etiological indications relations main clinics. Results: Defining the therapeutic indications such as modulation of the complement system, action on the cardiovascular system, among other uses, by Bothrops jararaca in high dilution. Conclusion: This evaluation can be used for different sources of products and allows the rational use of Bothrops jararaca in high dilution. The results can and should be complemented by clinical studies and pathogenetic. Bacterial infectious diseases such as tuberculosis and leprosy, and autoimmune disease LES and may receive treatment studies with the drug based on Bothrops jararaca snake venom because they are indirectly associated with them via similarity of the failure of complement, an important marker for bacterial the defense of mammals. Action on clinical aspects like hypertension, sweating, hypothermia and necrosis shall be seen. Perhaps the search for the stimulation of complement show a new pathway for the harmonization, long-predicted by Hahnemann, Hering and searched for among the many that followed the creator of this therapy.

scholarly journals Bias in Homeopathy: Technical Note

2017 ◽  
Vol 4 (1) ◽  
pp. 25-28
Author(s):  
Salvatore Chirumbolo
Keyword(s):  
Biological Activity ◽  
Chemical Species ◽  
Zero Point ◽  
Technical Note ◽  
Chemical System ◽  
High Dilution ◽  
The Real ◽  
Real Nature ◽  
High Dilutions ◽  
Species Being

Homeopathy is fundamentally based on the assumption that a biological activity is borne by a chemical system made by a molecular solute within a solvent that is diluted and mechanically stressed an undefined number of times and then reaches a zero point where molecules disappear and the solvent is the only chemical species being left. With the exception of an author who recently stated “We have been working in this field for over 20 years [35], and are thus perfectly aware of the issues related to the “plausibility” of high-dilution pharmacology, particularly when using dilutions beyond Avogadro’s constant”, yet no evidence was reported to date about the real nature of homeopathic high dilutions.

Diluted versus potentitized probes of silver nitrate (10e-2 to 10e-10) and wheat germination

2021 ◽  
Vol 15 (4) ◽  
pp. 22-23
Author(s):  
Corinne Kraus
Keyword(s):  
Silver Nitrate ◽  
Triticum Aestivum L ◽  
Distilled Water ◽  
Special Issue ◽  
High Dilution ◽  
Wheat Seedlings ◽  
Significant Difference ◽  
High Dilutions ◽  
Group A ◽  
Wheat Germination

Corinne Kraus, Ute Knobloch, Scherer Waltraud, Peter Christian Endler Interuniversity College for Health and Development Graz / Castle of Seggau, Austria Background In 1926, an influence of a homeopathically prepared high dilution of silver nitrate on the growth of coleoptiles of wheat seedlings was described (Kolisko 1926). Later, in an extensive series of experiments, wheat was observed under the influence of extremely diluted agitated silver nitrate (10e-23, “24x”). Stalk lengths clearly indicate that development is enhanced by the probe silver nitrate 24x as compared to control (Scherer et al. 2015). A preliminary experiment was performed in early autumn 2015 on stalk growth of wheat seedlings treated with (not potentized) dilutions of silver nitrate 10e-6 to 10e-10 (“6e to 10e”), compared to potentized silver nitrate 6x to 10x (N = 100 per group). A clear, albeit not statistically significant trend was observed of 6x-stalks being longer (23.4 + 16.2 mm) than 6e-stalks (13.0 + 10.9 mm). Objective The aim of this study was to investigate the influence of diluted versus potentized low dilutions of silver nitrate (10e-2 to 10e-10) on wheat germination. Method The experiments were performed in late autumn 2015 on wheat grain (Triticum aestivum L., Capo variety). The grains were observed under the influence of aqueous solutions 10-2 to 10-10 part per weight of silver nitrate, either diluted in steps of 1 : 10 in distilled water by mere pipetting (probes “2e – 10e”), or diluted and agitated in steps of 1:10 (to create potentized probes “2x – 10x”). Untreated distilled water (“w”) served as an additional control. All probes were applied blindly. 100 grains were observed per treatment group in each of the groups resulting a total of 2,000 grains. Grains were placed in glass dishes, probes were added and dishes were covered with lids and placed in drawers . The following endpoint criteria were defined: K1 = visible emergence of sprout material, K2 = lifting of the operculum and emergence of the sprout and W1 = development of three roots.   Result Germination rates K1 of seedlings treated with “w”-probes (blue), with “e”-probes ranging from 2e to 10e (black) and with “x”-probes ranging from 2x to 10x (red) at the measuring points 20h, 24h and 28h (from left to right for each of the probes). In K1, K2 and W, there is an obvious increase of germination rates from the high to the lower concentrations of silver nitrate, both in the “e” and in the “x”-groups and observable at 20h, 24h and 28h (p < 0.01). In contrast, germination rates of the two „w“-probes are practically alike (p > 0,05) When “e” and “x”-data are compared, germination rates are higher under the influence of “x” than under the influence of “e” (p < 0.01 for the pooled “x”-values compared to the pooled “e”-values with regard to K1 as well as K2 as well as W). Conclusion: A significant difference was found between wheat grains treated with mere dilutions compared to grains treated with potentised dilutions. References 1. Endler PC, Belavite P, Bonamin L,Jäger T, Mazon S. Replication of fundamental research models in ultra high dilutions 1994 and 2015 – update on a bibliometric study. Special issue Homeopathy London. 2015 a Oktober;104(4):234-45. 2. Endler PC, Schulte J, Stock-Schroeer B, Stephen S. Ultra high Dilution 1994 revisited 2015 – the state of follow-up research. Special issue Homeopathy London. 2015 b Oktober;104(4):223-6. 3. Kolisko L. Physiologischer Nachweis der Wirksamkeit kleinster Entitäten bei 7 Metallen – Wirkung von Licht und Pflanzen auf das Pflanzenwachstum. Dornach Schweiz: Philosophisch-Anthroposophischer Verlag am Goetheanum; 1926. 4. Kraus C, Knobloch U. Diluted versus diluted and agitated probes of silver nitrate (10-2 to 10-10) and wheat germination, Thesis (MSc); branch campus UCN at Interuniversity College Graz / Schloss Seggau; 2016. 5. Scherer-Pongratz W., Endler P.C., Lothaller H., Stephen S. Wheat and ultra high diluted silver nitrate – further experiments and re-analysis of data. Special issue Homeopathy London. 2015;104(4):246-9.

scholarly journals THE MOTILITY OF RAM AND BULL SPERMATOZOA IN DILUTE SUSPENSION

1953 ◽  
Vol 36 (4) ◽  
pp. 449-462 ◽  
Author(s):  
A. W. Blackshaw
Keyword(s):  
Seminal Plasma ◽  
Gamma Globulin ◽  
High Dilution ◽  
Plasma Albumin ◽  
Egg Albumin ◽  
Bull Semen ◽  
Other Substances ◽  
High Dilutions ◽  
Dilute Suspension ◽  
Considerable Loss

1. Ram and bull spermatozoa suspended in a glucose-sodium chloride solution rapidly lose motility at relatively high dilutions. The substitution of chloride-free diluents does not alter the phenomenon. 2. The rapid immobilization of ram and bull spermatozoa due to high dilution may be partially prevented by the addition of supernatants of either ram or bull semen, although motility is not maintained at the same level as in a more concentrated specimen. Various other substances which also partially protect spermatozoa are egg albumin, plasma albumin, plasma gamma globulin, starch, and glycogen. 3. Washing ram spermatozoa six times greatly reduces motility. This is not restored by the addition of ram seminal plasma which, however, reverses the concurrent head agglutination. 4. Washing ram and bull spermatozoa four times results in considerable loss of motility and head agglutination both of which may be reversed by the addition of seminal plasma. 5. Potassium chloride at 0.005 M concentration partially restores the motility of four times washed ram spermatozoa at 24°C. or 37°C. but not that of similarly treated bull spermatozoa.

scholarly journals Education in transdisciplinarity: the training of researchers

2021 ◽  
Vol 7 (22) ◽  
pp. 39-43
Author(s):  
Maria Thereza Cera Galvão Do Amaral
Keyword(s):  
Multidisciplinary Team ◽  
Scientific Practice ◽  
Basic Research ◽  
High Dilution ◽  
Palabras Clave ◽  
High Dilutions ◽  
Current Scenario ◽  
Or Manager ◽  
Estudio De Caso

The present paper discusses the notions of inter, multi and transdisciplinarity in the context of present day scientific practice, with a brief summary of the historical roots of the current scenario. As a case-study, it is analyzed the situation of research on HDs, as an emergent multidisciplinary field aiming at transdisciplinarity. An illustration is presented, from the experience of the constitution of a multidisciplinary team related to basic research in HDs. The author highlights the specific skills and modalities of participation of both the intervening specialists and the ‘generalist’ or manager of knowledge. Suggestions are offered on how to expand this model. Keywords: Multidisciplinarity; Transdisciplinarity; Research on High Dilutions; Homeopathy.   Educação em transdisciplinaridade: treinamento dos pesquisadores Resumo O presente artigo discute as noções de inter, multi e transdisciplinaridade dentro do contexto da prática científica atual, com uma breve resenha das raízes históricas da situação atual. Como estudo de caso, analisa-se a pequisa em altas diluições como campo multidisciplinar emergente em vias de transdisciplinaridade. É apresentado o exemplo da experiéncia da constituição de uma equipe multiisciplinar vinculada à pesquisa fundamental em altas diluições. A autora acentua as habilidades específicas e modalidades de participação dos especialistas e modalidades de participação dos especialistas participantes e o "generalista" ou administrador do saber. São oferecidas sugestões acerca de como expander este modelo. Palavras-chave: Multidisciplinaridade; Transdisciplinaridade; Pesquisa em altas diluições; Homeopatia.   Educación en transdisciplinaridad: entrenamiento de los investigadores Resumen Este artículo discute las nociones de inter, multi y transdisciplinaridad dentro del contexto de la práctica científica actual, con una breve reseña de las raíces históricas del estado presente. Como estudio de caso, se analliza la investigación en altas diluciones, como campo multidisciplinar emergente, en vías de transdisciplinaridad. Es presentado el ejemplo de la experiencia de la constitución de un equipo multidisciplinar vinculado a la investigación fundamental en altas diluciones. La autora destaca las habilidades específicas y modalidades de participación de los especialistas participantes y el "generalista" o administrador del saber. Son ofrecidas sugerencias acerca de cómo expandir este modelo. Palabras-clave: Multidisciplinaridad; Transdisciplinaridad; investigación en altas diluciones, Homeopatía.   Correspondence author: Maria Thereza Cera Galvão do Amaral, [email protected] How to cite this article: Education in transdisciplinarity: the training of researchers. Int J High Dilution Res [online]. 2008 [cited YYYY Mmm DD]; 7(22):39-43. Available from: http://journal.giri-society.org/index.php/ijhdr/article/view/255/343.  

scholarly journals Kinetic changes in activity of HR-peroxidase, induced by very low doses of phenol

2021 ◽  
Vol 7 (23) ◽  
pp. 48-55
Author(s):  
Elzbieta Malarczyk
Keyword(s):  
Horseradish Peroxidase ◽  
Maximum Activity ◽  
Low Doses ◽  
Sensitive Detector ◽  
High Dilution ◽  
Palabras Clave ◽  
High Dilutions ◽  
Sinusoidal Pattern ◽  
Activity Dependent ◽  
Oxidase Reaction

The allosteric protein of horseradish peroxidase (HRP) shows two main types of activity, peroxidase and oxidase, depending on the kind of low molecular effectors. The effects of very low doses of phenol, prepared by successive dilutions in water or in 75% ethanol, on initial HRP activity in oxidation of o-dianisidine or luminol were tested in a systematic manner by colorimetric and luminometric methods. Results showed that phenol dilutions, including those below Avogadro’s number, could activate or inhibit HRP in peroxidase and oxidase type reactions with a sinusoidal pattern. Km values for the studied substrates changed parallel to HRP peroxidase/oxidase activity and the maximum activity in the peroxidase reaction corresponded to the minimum activity in the oxidase reaction and vice versa. The effect also depended on the type of dilutor. The observations of the peroxidase/oxidase oscillations in the sinusoidal pattern of HRP activity, dependent on the rate of phenol dissolution and the time of preincubation, point out to the conclusion that HRP might be a good model for high dilutions research. The experiments provide strong evidence that horseradish peroxidase (HRP) is a very sensitive detector of subtle changes in the concentration of phenol used as a cofactor in the peroxidase/oxidase reaction. Keywords: HR-peroxidase, peroxidase-oxidase, phenol, hormesis, homeopathy, high dilutions.   Mudanças cinéticas na atividade da HR-peroxidade induzidas por doses muito baixas de fenol Resumo A proteína alostérica da peroxidase do rabano (HRP) mostra dois tipos principais de atividade, peroxidase e oxidase, de acordo com o tipo de efetores de baixa molecularidade. Os efeitos de doses muito baixas de fenol, preparadas através de diluições sucessivas em água ou etanol 75% na atividade inicial da HRP sobre a oxidação da o-dianisidina ou luminol for testados de modo sistemático através de métodos colorimétricos e luminométricos. Os resultados mostram que as diluições de fenol, incluindo aquelas por baixo do número de Avogadro, foram capazes de ativar ou inibir a HRP em reações de tipo peroxidade e oxidase com um padrão sinusoidal. os valores Km dos substratos estudados variaram paralelamente à atividade peroxidase/oxidase da HRP; a atividade máxima da reação peroxidase correspondeu à atividade mínima na reação oxidase e vice-versa. O efeito também se mostrou dependente do tipo do solvente. A observação das oscilações sinusoidais na atividade da HRP, dependentes da taxa de dissolução do fenol e do tempo de pré-incubação, permitem concluir que a HRP pode ser um bom modelo na pesquisa das altas diluições. Os experimentos oferecem fortes evidéncias a favor da HRP como detector muito sensível de mudanças mínimas na concentração do fenol, utilizado como cofator na reação peroxidase/oxigenase. Palavras-chave: HR-peroxidase, peroxidase-oxidase, fenol, hormese, homeopatia, altas diluições.   Cambios cinéticos en la actividad de la HR-peroxidasa inducidos por dosis muy bajas de fenol Resumen La proteína alostérica de la peroxidasa del rábano (HRP) muestra dos tipos principales de actividad, peroxidasa y oxidasa, dependiendo del tipo de efectores de baja molecularidade. Los efectos de doses muy bajas de fenol, preparadas mediante diluciones sucesivas en agua o etanol al 75% sobre la actividad inicial de la HRP sobre la oxidación de o-dianisidina o luminol fueron testados de modo sistemático mediante métodos colorimétricos y luminométricos. Los resultados muestran que las diluciones de fenol, incluyendo aquellas abajo del número de Avogadro, pudieron activar o inhibir la HRP en reacciones de tipo peroxidasa y oxidasa con un patrón sinusoidal. Los valores Km de los sustratos estudiados variaron paralelamente a la actividad peroxidasa/oxidasa de la HRP; la actividad máxima de la reacción peroxidasa correspondió a la actividad mínima en la reacción oxidasa y viceversa. El efecto también se mostró dependiente del tipo de solvente. La observación de las oscilaciones sinusoidales en la actividad de la HRP, dependientes de la tasa de disolución del fenol y del tiempo de preincubación, llevan a concluir que la HRP puede ser un buen modelo para la investigación de las altas diluciones. Los experimentos ofrecen fuertes evidencias a favor de la HRP como detector muy sensible de cambios mínimos en la concentración de fenol, utilizado como cofactor en la reacción peroxidasa/oxigenasa. Palabras-clave: HR-peroxidasa, oxidasa-peroxidasa, fenol, hormesis, homeopatía, altas diluciones.   Correspondence author: Elzbieta Malarczyk, [email protected] How to cite this article: Malarczyk E. Kinetic changes in the activity of HR-peroxidase induced by very low doses of phenol. Int J High Dilution Res [online]. 2008 [cited YYYY Mmm DD]; 7(23): 48-55. Available from: http://journal.giri-society.org/index.php/ijhdr/article/view/37/349.  

scholarly journals Physical chemical and citotoxic evaluation of highly diluted solutions of Euphorbia tirucalli L. prepared through the fifty milesimal homeopathic method

2021 ◽  
Vol 9 (31) ◽  
pp. 63-73
Author(s):  
Sheila Garcia ◽  
Rafael Cardoso Harduim ◽  
Fortune Homsanin ◽  
Carlos Renato Zacharias ◽  
Ricardo Machado Kuster ◽  
...  
Keyword(s):  
Biological Effects ◽  
Chemical Properties ◽  
Refraction Index ◽  
Experimental Models ◽  
Clear Correlation ◽  
Euphorbia Tirucalli ◽  
Physical Chemical ◽  
Seasonal Characteristics ◽  
High Dilutions ◽  
Different Populations

Background: although Hahnemann described the fifty-milesimal (LM) method in the 6th edition of the Organon of the Medical Art, very little research has been carried out on the physical chemical properties of these homeopathic preparations. Furthermore, there is still no evidence allowing for the correlation between the alleged physical chemical properties and the biological effects of high dilutions. Aims: to evaluate physical chemical characteristics of LM preparations including electrical conductivity, pH and refraction index, and their effect on biological experimental models. Materials and methods: preparations tested for physical chemical analysis were dilutions 1 lm to 10 lm of Euphorbia tirucalli L. prepared from the latex and the juice of the plant. To rule the seasonal characteristics of this plant, 2 different populations were used, one collected in June 2007 and the other in May 2008. Furthermore, the cytotoxic effect of Euphorbia tirucalli 5 lm was tested on human breast cancer cells (MCF7) through MTT assay. Some differences among the two collections were observed. However, any clear correlation could be observed between physical chemical properties and biological activity.

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