Evidence map›Paper›PMID 8772145›Full record

ArticlePflugers Archiv : European journal of physiology1996

A method for making rapid changes of superfusate whilst maintaining temperature at 37 degrees C.

A J Levi, J C Hancox, F C Howarth, J Croker, J Vinnicombe

Abstract read
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In one paragraph

Article in Pflugers Archiv : European journal of physiology, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

32 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

A J LeviDepartment of Physiology, School of Medical Sciences, University Walk, University of Bristol, Bristol BS8 1TD, UK.
J C Hancox
F C Howarth
J Croker
J Vinnicombe

Funding

Wellcome Trust
6 · The paper itself

Abstract

We have developed a technique for making a rapid solution change, whilst at the same time maintaining the temperature of the preparation at 37 degrees C. It is technically difficult to use rapid solution changes when experiments are performed at normal mammalian body temperature. As a solution is heated from room temperature to 37 degrees C, gas bubbles form in the rapid-flowing solution streams, and these disturb a cell or attached recording pipettes. We describe a system that has been developed to eliminate these problems. We show how to construct the different components of the system, and we have designed an electronic circuit to control solution changes. We have performed tests to characterise the function of this system. Solution flow out of the nozzle of the device (0.88 ml min-1, linear flow velocity 11.6 cm s-1) caused a fall in the steady-state temperature at the experimental preparation of only 0.3 degrees C. The device which takes between 0.5 and 1 s to completely change the superfusate of a single cell, was used routinely with five different experimental solutions. This system may be valuable in studies which require rapid solution changes to be performed at a normal mammalian body temperature.

Indexed as

AnimalsCalcium ChannelsCell Culture TechniquesCulture MediaMyocardiumPotassiumRabbitsSolutionsTemperatureTime FactorsCalcium ChannelsCulture MediaPotassiumSolutions

Identifiers

PMID8772145

What OpenQuestion holds

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Read underepoch 390

Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.