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Response in the Living and Non-Living By: Jagadis Chandra Bose (1858-1937) |
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AND NON LIVING
BY
JAGADIS CHUNDER BOSE, M.A.(CANTAB.), D.Sc.(LOND.)
PROFESSOR, PRESIDENCY COLLEGE, CALCUTTA
WITH ILLUSTRATIONS
LONGMANS, GREEN, AND CO.
39 PATERNOSTER ROW, LONDON
NEW YORK AND BOMBAY
1902 All rights reserved
'The real is one: wise men call it variously'
RIG VEDA
To my Countrymen
This Work is Dedicated
PREFACE
I have in the present work put in a connected and a more complete form
results, some of which have been published in the following Papers: 'De la Généralité des Phénomènes Moléculaires produits par l'Electricité
sur la matière Inorganique et sur la matière Vivante.' ( Travaux du
Congrès International de Physique. Paris, 1900.) 'On the Similarity of Effect of Electrical Stimulus on Inorganic and
Living Substances.' ( Report, Bradford Meeting British Association,
1900. Electrician. ) 'Response of Inorganic Matter to Stimulus.' (Friday Evening Discourse,
Royal Institution, May 1901.) 'On Electric Response of Inorganic Substances. Preliminary Notice.'
(Royal Society, June 1901.) 'On Electric Response of Ordinary Plants under Mechanical Stimulus.'
( Journal Linnean Society , 1902.) 'Sur la Réponse Electrique dans les Métaux, les Tissus Animaux et
Végétaux.' (Société de Physique, Paris, 1902.) 'On the Electro Motive Wave accompanying Mechanical Disturbance in
Metals in contact with Electrolyte.' ( Proceedings Royal Society ,
vol. 70.) 'On the Strain Theory of Vision and of Photographic Action.' ( Journal
Royal Photographic Society , vol. xxvi.) These investigations were commenced in India, and I take this
opportunity to express my grateful acknowledgments to the Managers of
the Royal Institution, for the facilities offered me to complete them at
the Davy Faraday Laboratory. J. C. BOSE. DAVY FARADAY LABORATORY, ROYAL INSTITUTION,
LONDON: May 1902.
CONTENTS
CHAPTER I THE MECHANICAL RESPONSE OF LIVING SUBSTANCES
PAGE
Mechanical response Different kinds of stimuli Myograph
Characteristics of response curve: period, amplitude,
form Modification of response curves 1
CHAPTER II ELECTRIC RESPONSE Conditions for obtaining electric response Method of
injury Current of injury Injured end, cuproid: uninjured,
zincoid Current of response in nerve from more excited to
less excited Difficulties of present nomenclature Electric
recorder Two types of response, positive and
negative Universal applicability of electric mode of
response Electric response a measure of physiological
activity Electric response in plants 5
CHAPTER III ELECTRIC RESPONSE IN PLANTS METHOD OF NEGATIVE VARIATION Negative variation Response recorder Photographic
recorder Compensator Means of graduating intensity of
stimulus Spring tapper and torsional vibrator Intensity of
stimulus dependent on amplitude of vibration Effectiveness
of stimulus dependent on rapidity also 17
CHAPTER IV ELECTRIC RESPONSE IN PLANTS BLOCK METHOD Method of block Advantages of block method Plant response a
physiological phenomenon Abolition of response by
anæsthetics and poisons Abolition of response when plant is
killed by hot water 27
CHAPTER V PLANT RESPONSE ON THE EFFECTS OF SINGLE STIMULUS AND OF
SUPERPOSED STIMULI Effect of single stimulus Superposition of stimuli Additive
effect Staircase effect Fatigue No fatigue when sufficient
interval between stimuli Apparent fatigue when stimulation
frequency is increased Fatigue under continuous stimulation 35
CHAPTER VI PLANT RESPONSE ON DIPHASIC VARIATION Diphasic variation Positive after effect and positive
response Radial E... Continue reading book >>
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