What's the difference between fixed and free?

Fixed


Definition:

  • (imp. & p. p.) of Fix
  • (a.) Securely placed or fastened; settled; established; firm; imovable; unalterable.
  • (a.) Stable; non-volatile.

Example Sentences:

  • (1) The catheter must be meticulously fixed to the skin to avoid its movement.
  • (2) The binding properties of formalin-fixed amelanotic melanoma cells were not identical to those of endothelial or unfixed target cells.
  • (3) On the basis of 180 interventions, they describe in detail the use of fibrin glue in myringo- and tympanoplasty for correct fixing of grafts.
  • (4) Theresa May signals support for UK-EU membership deal Read more Faull’s fix, largely accepted by Britain, also ties the hands of national governments.
  • (5) According to the finite element analysis, the design bases of fixed restorations applied in the teeth accompanied with the absorption of the alveolar bone were preferred.
  • (6) At a fixed concentration of nucleotide the effectiveness of elution was proportional to the charge on the eluting molecule.
  • (7) This suggests that molars do not maintain a fixed relationship to incisors over time, and extreme care must be taken to standardize an experiment to a specific body weight when using this method.
  • (8) Using an antibody to the nerve growth factor receptor (NGFR), we examined dendritic reticulum cells (DRCs) immunohistochemically in 62 formalin-fixed, paraffin-embedded lymph nodes from patients with reactive follicular hyperplasia or with various types of lymphoma.
  • (9) Females were killed at various times after the onset of mating or artificial insemination, oviducts were fixed and sectioned serially, and spermatozoa were counted individually as to their location in the oviduct.
  • (10) Rigidly fixing the pubic symphysis stiffened the model and resulted in principal stress patterns that did not reflect trabecular density or orientations as well as those of the deformable pubic symphysis model.
  • (11) Using a monoclonal antibody against dopamine and a rabbit antiserum against serotonin, 5-methoxytryptamine or tryptamine, we were able to achieve the simultaneous localization of two amines in glutaraldehyde-fixed sections of rat dorsal raphe nuclei.
  • (12) In one series of experiments, the animals were not treated before the tissues were conventionally fixed; in another, anesthetized animals were administered horseradish peroxidase 20 min before the tissues were fixed.
  • (13) Since all human cadaveric tissue is fixed whilst on the skeleton, we may assume that shrinkage of the muscles in such specimens is negligible.
  • (14) Isolated outer hair cells from the organ of Corti of the guinea pig have been shown to change length in response to a mechanical stimulus in the form of a tone burst at a fixed frequency of 200 Hz (Canlon et al., 1988).
  • (15) After permeabilization, with attendant partial extraction, the preparation can be fixed, then viewed by either deep-etch replication, or by high-resolution scanning electron microscopy, with structure of interest revealed in deep view.
  • (16) In contrast, in paraffin as well as in frozen sections of chick oviduct, fixed by immersion or in vapor, PR was exclusively nuclear, including in the absence of progesterone, and the intensity of immunostaining was not modified by progesterone treatment.
  • (17) Filipin-induced lesions in glutaraldehyde-fixed parasites indicated higher levels of beta-hydroxysterols in the amastigote than in the promastigote plasma membrane, and in the promastigote flagellar membrane than in the body membrane.
  • (18) Using a silver staining technique (AgNOR technique), we have investigated the nucleolar organizer-associated proteins (NORs) in formalin-fixed paraffin embedded conjunctival specimens of 15 intraepithelial squamous carcinomas, 10 hyperplastic-dysplastic samples and 10 control epithelial fragments; the mean number of intranuclear black dots was determined for each case.
  • (19) Radiologists may encounter patients with fixed dental prostheses that may produce image distortion on MRI scans of the face and jaw.
  • (20) A rubber cuff was fixed on the metal cylinder and let an opening of 8 cm, simulating the cervix uteri.

Free


Definition:

  • (superl.) Exempt from subjection to the will of others; not under restraint, control, or compulsion; able to follow one's own impulses, desires, or inclinations; determining one's own course of action; not dependent; at liberty.
  • (superl.) Not under an arbitrary or despotic government; subject only to fixed laws regularly and fairly administered, and defended by them from encroachments upon natural or acquired rights; enjoying political liberty.
  • (superl.) Liberated, by arriving at a certain age, from the control of parents, guardian, or master.
  • (superl.) Not confined or imprisoned; released from arrest; liberated; at liberty to go.
  • (superl.) Not subjected to the laws of physical necessity; capable of voluntary activity; endowed with moral liberty; -- said of the will.
  • (superl.) Clear of offense or crime; guiltless; innocent.
  • (superl.) Unconstrained by timidity or distrust; unreserved; ingenuous; frank; familiar; communicative.
  • (superl.) Unrestrained; immoderate; lavish; licentious; -- used in a bad sense.
  • (superl.) Not close or parsimonious; liberal; open-handed; lavish; as, free with his money.
  • (superl.) Exempt; clear; released; liberated; not encumbered or troubled with; as, free from pain; free from a burden; -- followed by from, or, rarely, by of.
  • (superl.) Characteristic of one acting without restraint; charming; easy.
  • (superl.) Ready; eager; acting without spurring or whipping; spirited; as, a free horse.
  • (superl.) Invested with a particular freedom or franchise; enjoying certain immunities or privileges; admitted to special rights; -- followed by of.
  • (superl.) Thrown open, or made accessible, to all; to be enjoyed without limitations; unrestricted; not obstructed, engrossed, or appropriated; open; -- said of a thing to be possessed or enjoyed; as, a free school.
  • (superl.) Not gained by importunity or purchase; gratuitous; spontaneous; as, free admission; a free gift.
  • (superl.) Not arbitrary or despotic; assuring liberty; defending individual rights against encroachment by any person or class; instituted by a free people; -- said of a government, institutions, etc.
  • (superl.) Certain or honorable; the opposite of base; as, free service; free socage.
  • (superl.) Privileged or individual; the opposite of common; as, a free fishery; a free warren.
  • (superl.) Not united or combined with anything else; separated; dissevered; unattached; at liberty to escape; as, free carbonic acid gas; free cells.
  • (adv.) Freely; willingly.
  • (adv.) Without charge; as, children admitted free.
  • (a.) To make free; to set at liberty; to rid of that which confines, limits, embarrasses, oppresses, etc.; to release; to disengage; to clear; -- followed by from, and sometimes by off; as, to free a captive or a slave; to be freed of these inconveniences.
  • (a.) To remove, as something that confines or bars; to relieve from the constraint of.
  • (a.) To frank.

Example Sentences:

  • (1) Cancer patients showed abnormally high plasma free tryptophan levels.
  • (2) In conclusion, the efficacy of free tissue transfer in the treatment of osteomyelitis is geared mainly at enabling the surgeon to perform a wide radical debridement of infected and nonviable soft tissue and bone.
  • (3) The authors have presented in two previous articles the graphic solutions resembling Tscherning ellipses, for spherical as well as for aspherical ophthalmic lenses free of astigmatism or power error.
  • (4) The hypothesis that proteins are critical targets in free radical mediated cytolysis was tested using U937 mononuclear phagocytes as targets and iron together with hydrogen peroxide to generate radicals.
  • (5) With NaCl as the major constituent of the bathing solution (potassium-free pipette and external solutions) the reversal potential (Er) of the noradrenaline-evoked current was about 0 mV.
  • (6) In cardiac tissue the adenylate system is not a good indicator of the energy state of the mitochondrion, even when the concentrations of AMP and free cytosolic ADP are calculated from the adenylate kinase and creatine kinase equilibria.
  • (7) The promoters of the adenovirus 2 major late gene, the mouse beta-globin gene, the mouse immunoglobulin VH gene and the LTR of the human T-lymphotropic retrovirus type I were tested for their transcription activities in cell-free extracts of four cell lines; HeLa, CESS (Epstein-Barr virus-transformed human B cell line), MT-1 (HTLV-I-infected human T cell line without viral protein synthesis), and MT-2 (HTLV-I-infected human T cell line producing viral proteins).
  • (8) This frees the student to experience the excitement and challenge of learning and the joy of helping people.
  • (9) The role of O2 free radicals in the reduction of sarcolemmal Na+-K+-ATPase, which occurs during reperfusion of ischemic heart, was examined in isolated guinea pig heart using exogenous scavengers of O2 radicals and an inhibitor of xanthine oxidase.
  • (10) This sling was constructed bu freeing the insertion of the pubococcygeus and the ileococcygeus muscles from the coccyx.
  • (11) In Ca free-solution phenylephrine inhibited the response to CaCl2.
  • (12) The actuarial 5-year disease-free survival rates were 83% (group 1), 83% (group 2), and 100% (group 3).
  • (13) Their effects on various lipid fractions, viz., triglycerides (TG), phospholipids, free cholesterol, and esterified cholesterol, were studied in liver, plasma, gonads, and muscle.
  • (14) These deficiencies in the data compromise HIV surveillance based on diagnostic testing, and supplementary bias-free data are needed.
  • (15) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
  • (16) Only those derivatives with a free amino group and net positive charge in the side chain were effective.
  • (17) Under milder trypsin digestion conditions three resistant fragments were produced from the free protein.
  • (18) "This was very strategic and it was in line of the ideology of the Bush administration which has been to put in place a free market and conservative agenda."
  • (19) To determine the influence of cetylpyridinium chloride (CPC) adsorption on the wettability and elemental surface composition of human enamel, with and without adsorbed salivary constituents, surface-free energies and elemental compositions were determined.
  • (20) By growing purified human cytotrophoblasts under serum-free conditions and manipulating the culture surface, we were able to disassociate morphologic from biochemical differentiation.