• KINFix – A formalin-free non-commercial fixative optimized ...

    Nov 02, 2015  To compare the usefulness of ethanol-based fixatives for diagnostic purposes, we performed a ring trial focusing on the neuropathological evaluation of brain tumor specimens fixed with RCL2 and formalin according to criteria of the WHO classification of tumors of the central nervous system. 15 different primary brain tumor samples (2 ...

  • Cited by: 6
  • Comparison Between Efficacy of Formalin 5% Solution and ...

    So, the aim of this study was to compare the efficacy of formalin 5% solution with placebo in treatment of plane warts. This is a controlled double-blind clinical trial study, conducted on 36 patients with plane warts referring to Imam Khomeini Hospital in Ahvaz in 2015. The

  • Author: Mohammad Ali Mapar, Mehri Maghsoodi, Kamal Maghsoodi, Ali Kardooni, Anoosh Shafiee
  • Comparison of Formalin-Free Tissue Fixatives: A Proteomic ...

    The comparison among the formalin-free fixatives revealed that CK7, STAT1, and PCNA could be detected equally well in paraffin-embedded FineFIX, paraffin-embedded RCL2, and paraffin-embedded HOPE, whereas paraffin-embedded RCL2 and paraffin-embedded FineFIX gave excellent staining results for membranous E-cadherin (P = .01) and EGFR (P = .03 ...

  • Cited by: 29
  • Comparison of Ethanol Versus Formalin Fixation on ...

    Comparison of Ethanol Versus Formalin Fixation on Preservation of Histology and RNA in Laser Capture Microdissected Brain Tissues Brain Pathol. 2004 Apr;14(2):175-82. doi: 10.1111/j.1750-3639.2004.tb00050.x. Authors Jack Meng Fen ...

  • Comparison of formalin, ethanol, and Histochoice fixation ...

    @article{Giannella1997ComparisonOF, title={Comparison of formalin, ethanol, and Histochoice fixation on the PCR amplification from paraffin-embedded breast cancer tissue.}, author={Chris Giannella and Francesco Alfredo Zito and Françoise Colonna and Angelo Paradiso and Franco Marzullo and Mauro ...

  • Difference Between Formalin and Formaldehyde

    Apr 04, 2016  Chemical Composition: Formalin: Formalin contains 37-38% of Formaldehyde, 10-15% of Methanol, 48-53% water.. Formaldehyde: Pure formaldehyde (Has only one component). Uses: Formalin: Formalin can be used as disinfectants and germicides. Also, it is widely used for preserving tissue samples while preventing cell decay. Formaldehyde: Formaldehyde is a common precursor

  • OSHA Fact Sheet: Formaldehyde Occupational Safety and ...

    What Employers Should KnowHarmful Effects on WorkersRoutes of ExposureHow Employers Can Protect WorkersRecordkeeping RequirementsAdditional InformationThe OSHA Formaldehyde standard (29 CFR1910.1048) and equivalent regulations in stateswith OSHA-approved state plans protects workersexposed to formaldehyde and apply to all occupationalexposures to formaldehyde from formaldehydegas, its solutions, and materials that releaseformaldehyde. 1. The permissible exposure limit (PEL) forformaldehyde in the workplace is 0.75 partsformaldehyde per million parts of air (0.75 ppm)measured as an 8-hour time-weighted av
  • Comparison of Formalin-Free Tissue Fixatives

    744 Arch Pathol Lab Med—Vol 135, June 2011 Comparison of Formalin-Free Fixatives—Kothmaier et al. RNA analysis,12–15 but the related procedures have been poorly tested in routine pathology practice and the proteomic field.16 Unfixed-fresh or snap-frozen tissue is commonly used

  • Comparison of formalin- and acetone-fixation for ...

    The purpose of the present study was to compare the relative merits of cold acetone and buffered formalin as fixatives for the detection of carcinoembryonic antigen and keratin in permanently embedded tissues using a peroxidase-antiperoxidase (PAP) immunohistochemical procedure.

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  • Comparison of the Efficacy of Iodine, Formalin, Salt, and ...

    used to compare (1) each treatment with the inoculated control, (2) doses within a treatment, and (3) the 500-mg/L iodine treatment with the highest salt, formalin, and peroxide treatments. In addition, rank-transformed CFU data for each media type were analyzed by analysis of variance (ANOVA) to compare among the 10 chemical dose treatments.

  • (PDF) Comparison of Formalin and Chloramine-T for Control ...

    Comparison of Formalin and Chloramine-T for Control of a Mixed Gill Infection (Bacterial Gill Disease and Ichthyobodiasis) in Rainbow Trout

  • Comparing Different Formaldehyde Production Processes ...

    Formaldehyde is a main raw material for manufacturing value-added chemicals such as melamine, urea-formaldehyde and phenolic resins. The most common product is in a 37% aqueous solution, but concentration can be as high as 57%. Today, there are two main routes to produce formaldehyde in an industrial scale: oxidation-dehydrogenation using a ...

  • Comparison of β-Propiolactone and Formalin Inactivation on ...

    Comparison of β-Propiolactone and Formalin Inactivation on Antigenicity and Immune Response of West Nile Virus Pritom Chowdhury , 1 , 2 Rashmee Topno , 1 Siraj A. Khan , 1 and Jagadish Mahanta 1 1 Arbovirology Group, Entomology and Filariasis Division, Regional Medical Research Centre, ICMR, Northeast Region, Post Box No. 105, Dibrugarh, Assam ...

  • Comparison of formalin-free tissue fixatives: a proteomic ...

    Jun 01, 2011  Free Online Library: Comparison of formalin-free tissue fixatives: a proteomic study testing their application for routine pathology and research. by "Archives of Pathology Laboratory Medicine"; Health, general Cellular proteins Comparative analysis Epidermal growth factor Epidermal growth factors Formaldehyde Immunohistochemistry Lung cancer Medical research Medicine,

  • Comparison of CONSED™ and Formalin-Ethyl Acetate Methods ...

    (Only one was a pathogenic species.) On one specimen, Enterobius vermicularis was found on formalin-ethyl acetate and not on CONSED. In 37 specimens, parasites were found in the CONSED method, but not in the formalin-ethyl acetate method (15 were pathogenic). The specific parasites found were especially important in a comparison of the two methods.

  • (PDF) Comparison of the properties of urea-formaldehyde ...

    Oct 27, 2018  Comparison of the properties of urea-formaldehyde resins by the use of formalin or urea formaldehyde condensates Article (PDF Available) in Journal of Adhesion Science and Technology

  • Comparative Analgesic Activity of Trois in Rat Formalin ...

    Several topical formulations are available in the market for the management of pain. With the aim of increasing efficacy and decreasing side effects, herbal drugs are being researched for various therapeutic applications This study involved comparison of marketed formulations: Trois, Volini, Moov and Fast-Relief. Trois is a proprietary herbal product indicated for the the management of painful ...

  • Difference Between Formalin and Formaldehyde Compare the ...

    Dec 02, 2013  A saturated water solution containing 40% of formaldehyde by volume or 37% formaldehyde by mass is called pure formalin or 100% formalin. A typical commercial grade formalin solution would also have about 10-12% of methanol and metallic compounds.

  • Comparison of the Flotac-400 Dual Technique and the ...

    There is a need for accurate diagnosis of intestinal parasite infections in humans, but currently available copromicroscopic techniques have shortcomings, such as low sensitivity. We compared the diagnostic accuracy of a further modified version of the recently developed Flotac technique with that of the widely used formalin-ether concentration technique (FECT) for the detection of intestinal ...

  • [PDF] Comparison of formalin-ethyl ether sedimentation ...

    Formalin-ethyl ether sedimentation, Formalin-ethyl acetate sedimentation, and zinc sulfate flotation techniques were compared using over 250 clinical parasitology specimens. Fifty positive specimens were identified, and a variety of parasites, including amoebae, flagellates, cestodes, nematodes, and trematodes, were encountered. The Formalin-ether and Formalin-ethyl acetate sedimentation ...

  • Comparison of formalin-free tissue fixatives: a proteomic ...

    Overall comparison of Western blot results demonstrated higher protein integrity from specimens preserved with formalin-free fixatives and frozen tissues compared to FFPE tissue although protein yields were lower from frozen specimens than from fixed specimens, regardless of fixative.

  • Comparing and Constrasting Formaldehyde vs Glutaraldehyde ...

    Formaldehyde is the simplest, lowest molecular weight aldehyde and has been used worldwide since its discovery in the 1800s. Formaldehyde has numerous uses as a chemical reactant for manufacturing of diverse products outside of animal health, including various

  • Preliminary Comparison of Quantity, Quality, and ...

    Preliminary Comparison of Quantity, Quality, and Microarray Performance of RNA Extracted From Formalin-Fixed, Paraffin-Embedded, and Unfixed Frozen Tissue Samples J Histochem Cytochem. 2006 Nov;54(11):1229-37. doi: 10.1369/jhc.6A6999.2006. Epub 2006 Jul 24. Authors ...

  • The influence of protease digestion and duration of ...

    The influence of protease digestion and duration of fixation on the immunostaining of keratins. A comparison of formalin and ethanol fixation. H Battifora and M Kopinski. Journal of Histochemistry Cytochemistry 2017 34: 8, 1095-1100 Download Citation.

  • Comparison of formalin-free tissue fixatives: a proteomic ...

    Overall comparison of Western blot results demonstrated higher protein integrity from specimens preserved with formalin-free fixatives and frozen tissues compared to FFPE tissue although protein yields were lower from frozen specimens than from fixed specimens, regardless of fixative.

  • Comparing and Constrasting Formaldehyde vs Glutaraldehyde ...

    Formaldehyde is the simplest, lowest molecular weight aldehyde and has been used worldwide since its discovery in the 1800s. Formaldehyde has numerous uses as a chemical reactant for manufacturing of diverse products outside of animal health, including various

  • Preliminary Comparison of Quantity, Quality, and ...

    Preliminary Comparison of Quantity, Quality, and Microarray Performance of RNA Extracted From Formalin-Fixed, Paraffin-Embedded, and Unfixed Frozen Tissue Samples J Histochem Cytochem. 2006 Nov;54(11):1229-37. doi: 10.1369/jhc.6A6999.2006. Epub 2006 Jul 24. Authors ...

  • The influence of protease digestion and duration of ...

    The influence of protease digestion and duration of fixation on the immunostaining of keratins. A comparison of formalin and ethanol fixation. H Battifora and M Kopinski. Journal of Histochemistry Cytochemistry 2017 34: 8, 1095-1100 Download Citation.

  • Comparison of Archival Plasma and Formalin-Fixed Paraffin ...

    Biobanks containing formalin-fixed paraffin-embedded tissue, as well as frozen serum or plasma, are important resources for molecular epidemiologic studies. However, few studies have compared the reliability of formalin-fixed tissue samples and archival plasma samples for genotyping. We determined the genotype of four proposed genetic risk factors for hepatocellular carcinoma [hereditary ...

  • Comparison of the Efficacy of Iodine, Formalin, Salt, and ...

    (2008). Comparison of the Efficacy of Iodine, Formalin, Salt, and Hydrogen Peroxide for Control of External Bacteria on Rainbow Trout Eggs. North American Journal

  • Formaldehyde Substitute Fixatives American Journal of ...

    Abstract. Because formaldehyde is toxic and creates cross-links that may hinder immunohistochemical studies, we tested 3 new cross-linking (F-Solv [Adamas, Rhenen, the Netherlands]) and non–cross-linking (FineFIX [Milestone, Bergamo, Italy] and RCL2 [Alphelys, Plaisir, France]) alcohol-based fixatives for routine staining in comparison with neutral buffered formalin (NBF) as the “gold ...

  • Comparison of formalin-ethyl ether sedimentation, formalin ...

    Formalin-ethyl ether sedimentation, Formalin-ethyl acetate sedimentation, and zinc sulfate flotation techniques were compared using over 250 clinical parasitology specimens. Fifty positive specimens were identified, and a variety of parasites, including amoebae, flagellates, cestodes, nematodes, and trematodes, were encountered. The Formalin-ether and Formalin-ethyl acetate sedimentation ...

  • Interlaborafory Comparison of Formaldehyde Emissions

    Interlaborafory Comparison of Formaldehyde Emissions from Particleboard Underlayment In Small-Scale Environmental Chambers T. G. Matthews, D. L. Wilson and A. J. Thompson Oak Ridge National Laboratory Oak Ridge, Tennessee M. A. Mason, S. N. Bailey, and L. H. Nelms Acurex Corporation Research Triangle Park, North Carolina

  • Comparison of Different Buffers for Protein Extraction ...

    We determined the best extraction buffer for proteomic investigation using formalin-fixation and paraffin-embedded (FFPE) specimens. A Zwittergent 3–16 based buffer, sodium dodecyl sulfate (SDS)-containing buffer with/without polyethylene glycol 20000 (PEG20000), urea-containing buffer, and FFPE-FASP protein preparation kit were compared for protein extraction from different types of rat ...

  • Vaccines: Vac-Gen/Additives in Vaccines Fact Sheet

    †Formaldehyde is diluted during the vaccine manufacturing process, but residual quantities of formaldehyde may be found in some current vaccines. The amount of formaldehyde present in some vaccines is so small compared to the concentration that occurs naturally in the body that it does not pose a safety concern.

  • Comparison of Clinical Targeted Next-Generation Sequence ...

    Comparison of SNV calls. The overall concordance between FFPE and frozen tissue was >99.99% for all 300,000 sequenced positions. A comparison of variant calls (depicted above) demonstrated that 4281 variant calls (97%) agreed between FFPE and frozen samples; 56 calls (1.3%) were unique to frozen samples, and 70 calls (1.8%) were unique to FFPE.

  • Comparison of Zinc Sulphate/Formalin Ether - Apacor

    A direct comparison has been made of the formalin-ether and the zinc sulfate technics by means of parallel examinations on 161 “single stool” specimens from a highly parasitized population. Download Study. Apacor develops and markets practical, cost-effective solutions in the field of medical diagnostics, manufacturing innovative products ...

  • Comparison of Two Methods of RNA Extraction from Formalin ...

    The present study aimed to compare two different methods of extracting RNA from formalin-fixed paraffin-embedded (FFPE) specimens of diffuse large B-cell lymphoma (DLBCL). We further aimed to identify possible influences of variables—such as tissue size, duration of paraffin block storage, fixative type, primers used for cDNA synthesis, and endogenous genes tested#x2014;on the success of ...

  • Vaccines: Vac-Gen/Additives in Vaccines Fact Sheet

    †Formaldehyde is diluted during the vaccine manufacturing process, but residual quantities of formaldehyde may be found in some current vaccines. The amount of formaldehyde present in some vaccines is so small compared to the concentration that occurs naturally in the body that it does not pose a safety concern.

  • Comparison of Clinical Targeted Next-Generation Sequence ...

    Comparison of SNV calls. The overall concordance between FFPE and frozen tissue was >99.99% for all 300,000 sequenced positions. A comparison of variant calls (depicted above) demonstrated that 4281 variant calls (97%) agreed between FFPE and frozen samples; 56 calls (1.3%) were unique to frozen samples, and 70 calls (1.8%) were unique to FFPE.

  • Comparison of Zinc Sulphate/Formalin Ether - Apacor

    A direct comparison has been made of the formalin-ether and the zinc sulfate technics by means of parallel examinations on 161 “single stool” specimens from a highly parasitized population. Download Study. Apacor develops and markets practical, cost-effective solutions in the field of medical diagnostics, manufacturing innovative products ...

  • Comparison of Two Methods of RNA Extraction from Formalin ...

    The present study aimed to compare two different methods of extracting RNA from formalin-fixed paraffin-embedded (FFPE) specimens of diffuse large B-cell lymphoma (DLBCL). We further aimed to identify possible influences of variables—such as tissue size, duration of paraffin block storage, fixative type, primers used for cDNA synthesis, and endogenous genes tested#x2014;on the success of ...

  • Industrial Production of Formaldehyde Using ...

    We report the first comprehensive review of the industrial process for the catalytic partial oxidation of methanol to formaldehyde using silver catalyst. Formaldehyde remains a key, large volume industrial chemical which is ubiquitous to household, commercial, aviation, pharmaceutical and automotive products due to its high reactivity and versatility.

  • Fixation and Fixatives (2) – Factors influencing chemical ...

    Formaldehyde: Formaldehyde (CH 2 O) is the only gaseous aldehyde and is dissolved in water to saturation at 37% – 40% w/v. This solution is generally referred to as “formalin” or “concentrated formaldehyde solution”. For fixation, one part formalin is usually diluted with

  • A comparison of Thiel and formalin embalmed cadavers for ...

    The focus of the present paper is a comparison between cadavers embalmed with a soft-fix embalming method (Thiel) and those embalmed with formalin, mainly addressing the task fidelity aspects, i.e. the extent to which the trained task and the real task are similar. Methods and materials

  • A Comparison of RNA-Seq Results from Paired Formalin-Fixed ...

    A Comparison of RNA-Seq Results from Paired Formalin-Fixed Paraffin-Embedded and Fresh-Frozen Glioblastoma Tissue Samples. Anna Esteve-Codina, Oriol Arpi, Maria Martinez-García, Estela Pineda, Mar Mallo, Marta Gut, Cristina Carrato, Anna Rovira, Raquel Lopez, Avelina Tortosa

  • Difference Between Paraformaldehyde and Formaldehyde ...

    Jan 01, 2018  Paraformaldehyde is formed in aqueous formaldehyde solutions. But the synthesis is slow. This happens when the solution is kept cool. Usually, methanol is added to formaldehyde solutions as a stabilizer. Without the stabilizer, the solution is unstable and tends to undergo polymerization.First, insoluble macromolecules are formed, which later form paraformaldehyde.

  • Comparison of the Effects of Treatment with Intrathecal ...

    Saline (saline + formalin or formalin + saline) replaced the lidocaine in the two control groups. Lidocaine given before formalin (P < 0.01, Newman-Keuls test), but not after formalin (P > 0.05, Newman-Keuls test), produced a significant reduction in nociceptive scores compared with the two saline groups.

  • Comparison of Immunocytochemical Sensitivity Between ...

    Katsuhide Ikeda, CT, IAC, Genshu Tate, MD, Takao Suzuki, CT, PhD, Toshiyuki Mitsuya, MD, Comparison of Immunocytochemical Sensitivity Between Formalin-Fixed and Alcohol-Fixed Specimens Reveals the Diagnostic Value of Alcohol-Fixed Cytocentrifuged Preparations in Malignant Effusion Cytology, American Journal of Clinical Pathology, Volume 136, Issue 6, December 2011, Pages

  • The influence of protease digestion and duration of ...

    The influence of protease digestion and duration of fixation on the immunostaining of keratins. A comparison of formalin and ethanol fixation. H Battifora and M Kopinski. Journal of Histochemistry Cytochemistry 2017 34: 8, 1095-1100 Download Citation.

  • Comparison of the Efficacy of Iodine, Formalin, Salt, and ...

    Comparison of the methods used to estimate total CFU per egg indicated that agitation recovered 71–100% of the bacteria on the outside of the egg. Hatchery managers should be aware that not all bacteria are killed by chemical treatment of eggs, and therefore a significant number of pathogens could still enter a hatchery via the importation of ...

  • Systematic comparison of tissue fixation with alternative ...

    Jul 20, 2012  The aim of this study was to compare standard buffered formalin fixation (3.9 % formaldehyde, w/v) to fixation with acidified formal alcohol (AFA), which is widely used in France, with HOPE® fixation [12–18], with the recently introduced non-cross-linking fixative PAXgene® [22, 23] and with combinations of AFA and formalin with ultrasound ...