What's the difference between instrument and photometer?

Instrument


Definition:

  • (n.) That by means of which any work is performed, or result is effected; a tool; a utensil; an implement; as, the instruments of a mechanic; astronomical instruments.
  • (n.) A contrivance or implement, by which musical sounds are produced; as, a musical instrument.
  • (n.) A writing, as the means of giving formal expression to some act; a writing expressive of some act, contract, process, as a deed, contract, writ, etc.
  • (n.) One who, or that which, is made a means, or is caused to serve a purpose; a medium, means, or agent.
  • (v. t.) To perform upon an instrument; to prepare for an instrument; as, a sonata instrumented for orchestra.

Example Sentences:

  • (1) For assessment of clinical status, investigators must rely on the use of standardized instruments for patient self-reporting of fatigue, mood disturbance, functional status, sleep disorder, global well-being, and pain.
  • (2) Breast temperatures have been measured by the automated instrumentation called the 'Chronobra' for 16 progesterone cycles in women at normal risk for breast cancer and for 15 cycles in women at high risk for breast cancer.
  • (3) After a review of the technical development and application of staplers from their introduction to the present day, the indications to the use of this instrument in all gastroenterological areas from the oesophagus to the rectum as well as in chest, gynaecological and urological surgery specified.
  • (4) Short-forms of Wechsler intelligence tests have abounded in the literature and have been recommended for use as screening instruments in clinical and research settings.
  • (5) Atrioventricular (AV) delay that results in maximum ventricular filling and physiological mechanisms that govern dependence of filling on timing of atrial systole were studied by combining computer experiments with experiments in the anesthetized dog instrumented to measure phasic mitral flow.
  • (6) The instrument is a definite aid to the surgeon, and does not penalize the time required for surgery.
  • (7) Furthermore, the AMDP-3 scale and its manual constitute a remarkable teaching instrument for psychopathology, not always enough appreciated.
  • (8) But it [Help to Buy] is the right policy instrument to deal with a specific problem."
  • (9) Clinical use of this instrument is no more difficult than conventional immersion ultrasonography.
  • (10) The performance of the instrument was evaluated by undertaking in vitro measurements of the reflectance spectra of blood.
  • (11) Several recommendations, based upon the results of this survey study, the existing literature relevant to the ethical responsibilities of investigators who conduct research with children, and our own experiences with these instruments and populations, are made to assist researchers in their attempts to use these inventories in an ethical manner.
  • (12) Utilizing standardized instruments, family and demographic predictors of general and problem-solving knowledge pertaining to diabetes were identified in 53 newly diagnosed children.
  • (13) A compact attachment for microscope-type instruments is described enabling to introduce, rapidly and qualitatively, minute biological speciments into melted embedding medium and ensuring the safety of optics.
  • (14) This paper considers the advantages and disadvantages of the instrument together with indications for its use and reviews 118 patients who had 130 oral lesions removed with the CO2 laser.
  • (15) The inflammatory response is active in the embryo midway through incubation and is probably instrumental in protection of the embryo.
  • (16) To examine the possibility of prolongation of the standing times of instrument disinfectants, in vitro tests under high albumin exposure and tests in clinical practice were done.
  • (17) This, too, is a functional technique although the method and instruments are totally different.
  • (18) One abutment was used to evaluate each of nine oral hygiene instrumentation methods used for specified lengths of time or instrument strokes.
  • (19) Out-patient treatment, instrumentation and postgraduated teaching is dealt with.
  • (20) There is considerable evidence to suggest that intra-alveolar plasminogen activation is instrumental in many aspects of inflammatory lung injury and subsequent tissue repair.

Photometer


Definition:

  • (n.) An instrument for measuring the intensity of light, or, more especially, for comparing the relative intensities of different lights, or their relative illuminating power.

Example Sentences:

  • (1) Broad half-band width (greater than 10 nm) photometers showed little deviation from linearity.
  • (2) Using the Perkin Elmer flame photometer sodium and potassium concentrations have been measured in muscle fibers from the m. ileofibularis of Rana temporaria.
  • (3) Using Scheimpflug photography (a modified SL 45 Topcon camera) instead of the transmission measurements of incubated lenses has the advantage that disorders in lens transparency can be exactly localized and the sensitivity is much higher than the photometer readings.
  • (4) The photometer was of a type commonly used for routine determination of a haemoglobin concentration in blood.
  • (5) Three simple photometers were tested for their suitability to determine concentrations of creatinine in small animal practice.
  • (6) An elution electrophoresis system in which a porous packed bed is used for separation and a flow photometer or colorimeter for continuous monitoring of the eluate may be capable of rapid, high-resolution analysis of serum proteins and other protein mixtures with very little manual labor.
  • (7) The system uses a Leitz MPV II scanning photometer, a PDP-8 computer with 24 k of core memory and a Tektronix 4010 graphic display terminal.
  • (8) Combination of the photometers with a "cuvette test" produced satisfactory results on comparison with a reliable reference method.
  • (9) These parameters were analyzed by using a reflection photometer (Reflotron).
  • (10) From 1968 to 1972 and in 1975 (provisional results) urine samples collected on three days per year were examined by photometer for N-acetyl-p-aminophenol (=NAPAP, main metabolite of phenacetin) and for salicylates in the same population.
  • (11) The effect of calcium on the biogenic amine level and distribution in the mouse brain was investigated by a histochemical method using a microscopic photometer (Pl, Nikon).
  • (12) Microphotometric measurements were performed at 565 nm by means of a computer-controlled microscope photometer.
  • (13) This program was written for a Wang 720 C programmable desk calculator associated to the Zeiss scanning photometer MP01.
  • (14) The available forms of Na2O and K2O were determined in the soil on a flame photometer.
  • (15) The assay is set up in microtitre plates, and following an uptake phase and removal of non-ingested erythrocytes, pseudoperoxidase activity is measured in detergent lysates of phagocytes, using an ELISA reader photometer.
  • (16) Quantitative parameters of the chromatin structure in the same nuclei measured in situ by a scanning microscope-photometer (step size 0.125 micron) before and after staining were equal.
  • (17) The assay result may also be read in a photometer, if the solution is first transferred to a transparent microtiter well.
  • (18) We evaluated eight blood glucose monitors (BGMs), from six manufacturers, that are lightweight, portable, battery-powered, relatively inexpensive handheld reflectance photometers that use test strips for self-monitoring of blood glucose levels.
  • (19) Evaluation was accomplished by comparing statistical morphometric and photometric data taken from digital images of FAMs generated by the microscope photometer.
  • (20) The amount of horse radish peroxidase labeled protein-A or anti-rat IgG bound to the antigen-antibody complexes is measured on the spectro photometer at wave length of 492 nm.