Publication
List (* corresponding author)
1.
P.F. Zhang, G.W. Wang, X.J. Zhang, and Y.Q. Li *, Single-Acquisition 2 ‑ D
Multifocal Raman Spectroscopy Using Compressive Sensing,
Anal. Chem. 92, 1, 1326-1332 (2020) .
2.
S. Ghosh, G. Joseph, G. Korza ,
L. He, J.-H. Yuan, W. Dong, B. Setlow , Y.-Q. Li, P.B.
Savage and P. Setlow , Effects of the microbicide ceragenin
CSA-13 on and properties of Bacillus subtilis spores prepared on two very
different media , J Appl Microbiol.
2019 Jul;127(1):109-120.
3. E.
Camilleri , G. Korza , J. Green, J. Yuan, Y.Q. Li , M.J. Caimano , P. Setlow , Properties of Aged
Spores of Bacillus subtilis , J Bacteriol . 2019 Jun 21; 201(14).
4. G.H. Chen, L. He, M.Y. Wu, Y.-Q. Li *, Temporal
dependence of photophoretic force optically induced on absorbing particles by a power-modulated
laser , Phys. Rev. Applied, 10, 054027 (2018).
5.
L. He, S.W. Wang, M. Cortesăo ,
M. Y. Wu, R. Moeller, P. Setlow , Y.-Q. Li * , Single-cell
analysis reveals novel insights in the spore resistance to simulated space vacuum , npj Microgravity, 4:26
(2018).
6. L. He, Z. Chen, S.W. Wang, M.Y. Wu, P.
Setlow , Y. -Q. Li* , Germination, outgrowth, and vegetative growth kinetics of dry
heat-treated individual spores of Bacillus species , Appl. Environ. Microbiol. 84 (7), e02618-17 , doi:10.1128/AEM.02618-17 (2018).
7. L. Rao, F. E. Feeherry , S. Ghosh,
X. Liao, X.P. Lin, P.F Zhang, Y.-Q. Li, C. J. Doona ,
P. Setlow , Effects of lowering water
activity by various humectants on germination of spores of Bacillus species
with different germinants , Food Microbiol. 72, 112-127 (2018).
8. M.-Y.
Wu, D.-X. Ling, L. Ling, W. Li, Y.-Q. Li* , Stable optical trapping and
sensitive characterization of nanostructures using standing-wave Raman tweezers ,
Scientific Reports, 7 , 42930 (2017).
9. P.
Setlow , S.W. Wang , Y.-Q. Li , Germination
of spores of the orders Bacillales and Clostridiales , Annu .
Rev. Microbiol. 71:459–77 (2017).
10.
J. Lin, J. Deng, R. Wei, Y.-Q. Li, Y.Z. Wang , Measurement
of mass by optical forced oscillation of absorbing particles trapped in air ,
J. Opt. Soc. Am. B, 34 (6), 1242-1246
(2017).
11. M.
L. Donnelly, W. Li, Y.-Q. Li, L. Hinkel , P. Setlow , A. Shen , A Clostridium difficile -specific,
gel-forming protein required for optimal spore germination , mBio, 8,
e02085-16 (2017).
12. S.W.
Wang, J. Brunt, M W. Peck, P. Setlow , Y.-Q. Li* , Analysis of the
germination of individual Clostridium sporogenes
spores with and without germinant receptors and cortex-Lytic enzymes , Frontiers in Microbiology , 8:2047
(2017).
13. S.W. Wang, B. Setlow ,
P. Setlow , Y.Q. Li *, (2016). Uptake
and levels of the antibiotic berberine in individual dormant and germinating Clostridium difficile and Bacillus cereus spores as measured by
laser tweezers Raman spectroscopy , Journal of Antimicrobial
Chemotherapy, doi : 10.1093/jac /dkv504.
14. S.W. Wang, J.R. Faeder, P. Setlow , and Y.Q. Li* , (2015), Memory of germinant stimuli
in bacterial spores , mBio , 6(6), e01859-15 .
15. Jinda Lin, Adam G. Hart, and Yong-Qing Li* ,
(2015), Optical
pulling of airborne absorbing particles and smut spores over a meter-scale
distance with negative photophoretic force , Appl. Phys. Lett. 106 (17), 171906.
16. S.W. Wang, J. Yu, M. Suvira ,
P. Setlow , and Y. Q. Li* ,
(2015), Uptake
of and resistance to the antibiotic berberine by individual dormant,
germinating and outgrowing Bacillus
spores as monitored by laser tweezers Raman spectroscopy , PLoS One , 10(12), e0144183.
17. Shiwei
Wang, Peter Setlow , Yong-Qing Li *,
(2015), Slow leakage of
Ca-dipicolinic acid from individual Bacillus spores
during initiation of spore germination , J.
Bacteriol . 197(6), 1095 - 1103.
18. Shiwei Wang, Aimee, Shen, Peter Setlow , Yong-Qing Li *,
(2015), Characterization
of the dynamic germination of individual Clostridium difficile spores
using Raman spectroscopy and differential interference contrast microscopy , J. Bacteriol . 197(14), 2361-2373 .
19.
P.F.
Zhang, J. Liang, X. Yi, P. Setlow , and Yong-Qing Li*,
(2014), Monitoring
of commitment, blocking and continuation of nutrient germination of individual Bacillus subtilis spores , J. Bacteriol . 196 (13), 2443–2454.
20.
J. Liang, P.F. Zhang, P. Setlow and Yong-Qing Li *, (2014), High
precision fitting measurements of the kinetics of size changes during
germination of individual Bacillus spores , Appl.Environ .
Microbiol. 80 (15), 4606–4615 .
21.
Jinda Lin and Yong-Qing Li *, (2014). Optical
trapping and rotation of airborne absorbing particles with a single focused
laser beam . Appl. Phys. Lett. 104 , 101909.
22. Jinda Lin and
Yong-Qing Li*, (2014), Ultralow frequency Stokes
and anti-Stokes Raman spectroscopy of single living cells and microparticles
using a hot rubidium vapor filter , Optics Letters , 39 (1), 108-110 (2014).
23.
L. Kong,C . J.
Doona, P. Setlow , Yong-Qing Li *, (2014), Monitoring
rates and heterogeneity of high-pressure germination of bacillus spores by
phase-contrast microscopy of individual spores. Appl
Environ Microbiol . 2014 Jan;
80(1):345-53.
24. L.B. Kong, P. Setlow and Yong-Qing Li* , (2014), Observation of dynamic
germination of single bacterial spores using rapid Raman imaging , Journal of Biomedical Optics . 2014 Jan;
19(1):011003.
25.
A. Perez-Valdespino , Y. Li, B. Setlow , S. Ghosh, David Pan, George Korza ,
Florence E. Feeherry , Christopher J. Doona, Yong-Qing
Li, Bing Hao, Peter Setlow , (2014). Function
of the SpoVAEa and SpoVAF
Proteins of Bacillus subtilis Spores . Journal of Bacteriology, 196
(11) , 2077–2088.
26. Katja Nagler ,
Peter Setlow , Yong-Qing Li, Ralf Moeller, (2014), High
salinity alters the germination behavior of Bacillus subtilis spores with
nutrient and non-nutrient germinants , Appl Environ Microbiol . 80 (4) , 1314 .
27.
B. Setlow , S. Phillips, P. Zhang, Y.Q. Li, C. Neely, P. Setlow (2014), Mechanism
of killing of spores of Bacillus anthracis in a high-temperature gas
environment, and analysis of DNA damage generated by various decontamination
treatments of spores of Bacillus anthracis, Bacillus subtilis and Bacillus
thuringiensis . Journal of Applied Microbiology, 116 (4) ,
805-14.
28.
L.B. Kong, P. Setlow , and
Yong-Qing Li* ,
(2013), Direct analysis
of water content and movement in single dormant bacterial spores using confocal
Raman microspectroscopy and Raman imaging , Analytical Chemistry , 85, 7094− 7101.
29.
Lin Ling, Yong-Qing Li* , (2013), Measurement
of Raman spectra of single airborne absorbing particles trapped by a single
laser beam , Optics Letters ,
38(4):416-418.
30.
A. Perez-Valdespino ,
S. Ghosh, E.P. Cammett , L. Kong, Y.-Q. Li and P. Setlow , (2013), Isolation
and characterization of Bacillus subtilis spores that are superdormant
for germination with dodecylamine or Ca2+ -dipicolinic acid , Journal
of Applied Microbiology , 114(4):1109-1119.
31.
B. Setlow , S. Parish, P. Zhang, Y.-Q. Li, W.C.
Neely, P. Setlow , (2013), Mechanism
of killing of spores of Bacillus anthracis in a high-temperature gas
environment, and analysis of DNA damage generated by various decontamination
treatments of spores of Bacillus anthracis, Bacillus subtilis and Bacillus
thuringiensis, J. Appl. Microbiol. DOI: 10.1111/jam.12421.
32.
B. Setlow , J. Yu;
Y.-Q. Li, P. Setlow , (2013), Analysis
of the germination kinetics of individual Bacillus subtilis spores treated with
hydrogen peroxide or sodium hypochlorite , Letters in Applied Microbiology . 57(4):259-65.
33. T.T. Zhou,
Z.Y. Dong, P. Setlow and Y.-Q. Li*, (2013), Kinetics
of germination of individual spores of Geobacillus
stearothermophilus as measured by Raman spectroscopy and differential
interference contrast microscopy , PLoS One .
8(9):e74987.
34. L.B. Kong, P. Setlow , Y.Q. Li* , (2012), Analysis
of the Raman spectra of Ca2+ -dipicolinic
acid alone and in the bacterial spore core in both aqueous and dehydrated
environments , Analyst , 137 , 3683-3689.
35. G.W. Wang, D.
Paredes-Sabja , M. R. Sarker ,
C. Green, P. Setlow and Y.Q. Li *, (2012). Effects
of wet heat-treatment on the germination of individual spores of Clostridium perfringens , J Appl Microbiol. 2012 Jul 7. doi : 10.1111.
36. P.F. Zhang, L.B. Kong, G.W. Wang, M. Scotland, S. Ghosh, P.
Setlow , Y.Q. Li*,
(2012). Analysis of
the slow germination of multiple individual superdormant
Bacillus subtilis spores using multifocus Raman microspectroscopy
and differential interference contrast microscopy . Journal of
Applied Microbiology, 112 , 526-536.
37. P.F. Zhang, S. Thomas, Y.Q. Li, & P. Setlow , (2012). Effects of Cortex Peptidoglycan
Structure and Cortex Hydrolysis on the Kinetics of Ca2+ -Dipicolinic Acid Release during Bacillus subtilis Spore
Germination . Journal of Bacteriology,
194 (3) , 646-652.
38. A. Ramirez-Peralta, P.F. Zhang, Y.Q. Li, & P. Setlow , (2012). Effects of sporulation
conditions on the germination and germination protein levels of Bacillus subtilis spores . Applied
and Environmental Microbiology, 78 , 2689-2697.
39. X. Yi, A. J.
Troiano, W. H. Coleman, K. K. Griffiths, C. Doona, F. E. Feeherry ,
G.W. Wang, Y.Q. Li and P. Setlow , (2012), Analysis of the Effects of a
gerP Mutation
on the Germination of Spores of Bacillus subtili , J. Bacteriol . doi : 10.1128/JB.01276-12
40. Y. Li, A. Davis, G. Korza , P.F.
Zhang, Y.Q. Li, P. Setlow , B. Hao , (2012). Role of
a SpoVA protein in dipicolinic
acid uptake into developing spores of Bacillus
subtilis . Journal of Bacteriology, 194 , 1875-1884.
41. J. Shao, M.
Lin, Y. Q. Li, X. Li, J. Liu, J. Liang, H. Yao , (2012), In Vivo Blood
Glucose Quantification Using Raman Spectroscopy, PLOS ONE , 7, e48127.
42. J. Shao, H.
Yao, L. Meng, Y.Q. Li, M. Lin, X. Li, J. Liu, J.
Liang, (2012), Raman
spectroscopy of circulating single red blood cells in microvessels
in vivo, Vibrational Spectroscopy , 63
367–370.
43. L.B. Kong,
P.F. Zhang, G.W. Wang, P. Setlow , and Y.Q. Li* .
(2011). Characterization
of bacterial spore germination using phase contrast microscopy, fluorescence
microscopy, Raman spectroscopy and optical tweezers . Nature Protocols, 6, 625-639.
44.
L.B. Kong, P.F. Zhang, J. Yu, P. Setlow ,
and Y.Q. Li* . (2011). Rapid confocal Raman imaging using a
synchro multifoci -scan scheme for dynamic monitoring
of single living cells , Appl. Phys. Lett . 98 , 213703.
45. L.B. Kong, P.F. Zhang, P. Setlow ,
and Y.Q. Li*, (2011), Multifocus
confocal Raman microspectroscopy for rapid
single-particle analysis , J. Biomed. Opt. 16, 120503.
46. G.W. Wang, X. Yi, Y.Q. Li , and P. Setlow . (2011). Germination of individual Bacillus
subtilis spores with alterations in the GerD and SpoVA proteins important in spore germination , J. Bacteriol .
193, 2301–2311.
47. G.W. Wang, P.F.
Zhang, P. Setlow , and Y.Q. Li*. (2011). Kinetics of germination of
wet heat-treated individual spores of Bacillus species as followed by Raman
spectroscopy and differential interference contrast microscopy , Appl Environ Microbiol . 2011 Mar 25. [Epub ahead of print].
48. G. W. Wang, P. Zhang, D. Paredes-Sabja ,
C. Green, P. Setlow , M.R. Sarker
and Y.-Q. Li* , (2011), Analysis of the germination of
individual Clostridium perfringens spores and its heterogeneity , J. Appl.
Microbiol., 111, 1212-23.
49. P.F. Zhang, L.B. Kong, G.W. Wang, P.Setlow ,
and Y.Q. Li* , (2011), Monitoring the wet-heat
inactivation dynamics of single spores of Bacillus species by using
Raman tweezers, differential interference contrast microscopy, and nucleic acid
dye fluorescence microscopy , Appl
Environ Microbiol . 77, 4754–4769.
50. Z. Tao, G. Wang, X. Xu, Y. Yuan, X. Wang and
Y.Q. Li* , (2011). Monitoring and
rapid quantification of total carotenoids in Rhodotorulaglutinis
cellsusing laser tweezersRaman
spectroscopy , FEMS Microbiol. Lett .
314, 42–48.
51. S.
Ghosh, A. Ramirez-Peralta, E. Gaidamakova , P. Zhang,
Y.-Q. Li, M.J. Daly and P. Setlow , (2011), Effects
of Mn levels on resistance of Bacillus megaterium spores to heat, radiation and
hydrogen peroxide , J. Appl. Microbiol . 111,
663–670.
52. J.
Sanchez-Salas, B. Setlow , P.F. Zhang, Y.Q. Li, and P.
Setlow , (2011), Maturation
of Released Spores Is Necessary for Acquisition of Full Spore Heat Resistance
during Bacillus subtilis Sporulation , Appl Environ Microbiol .
77, 6746–6754
53. P.F. Zhang, L.B. Kong, P. Setlow and Y.Q. Li* ,
(2010). Multiple-trap laser
tweezers Raman spectroscopy for simultaneous monitoring of the biological
dynamics of multiple individual cells , Opt.
Lett . 35, 3321-3323.
54. L.B. Kong, P.F.
Zhang, J. Yu, P. Setlow , and Y.Q. Li* . (2010) Monitoring the kinetics of
uptake of a nucleic acid stain during the germination of single spores of Bacillus species , Anal. Chem . 82, 8717–8724.
55. P.F. Zhang, L.B. Kong, G.W. Wang, P. Setlow , and Y.Q. Li* .
(2010) Combination of Raman
tweezers and quantitative differential interference contrast microscopy for
measurement of dynamics and heterogeneity during the germination of individual
bacterial spores , J. Biomed. Opt.
15, 056010.
56. L. Kong, P. Zhang, P.Setlow , and Yong-Qing Li*. (2010). Characterization of bacterial spore
germination using integrated phase contrast microscopy, Raman spectroscopy and
optical tweezers . Anal. Chem. 82, 3840–3847].
57. Zhang, P., Kong, L., Setlow , P., & Li, Y*. (2010). Characterization of wet-heat
inactivation of single spores of Bacillus species by dual-trap Raman
spectroscopy and elastic light scattering . Appl. Environ.
Microbiol. 76 (6) , 1796-1805.
58. Coleman, W. H., Zhang, P.F., Li,
Y., & Setlow , P. (2010). Mechanism of killing of spores of
Bacillus cereus and Bacillus megaterium by wet heat . Lett. Appl.
Microbiol., 50 (5) , 507-514.
59. P.F. Zhang, W. Garner, X. Yi, J. Yu, Y.Q. Li
and P. Setlow . (2010). Factors Affecting the Variability in the Time
Between Addition of Nutrient Germinants and Rapid DPA
Release During Germination of Spores of Bacillus
Species , J. Bacteriol .
192, 3608-3619 .
60. Y.
Li, G.W. Wang, H.L. Yao, J.X. Liu and Y.Q.
Li*. (2010). Dual-trap
Raman tweezers for probing dynamics and heterogeneity of interacting microbial
cells , J. Biomed. Opt.15, November/December, 067008
61. L.X. Peng, G.W. Wang, W. Liao, H.L. Yao, S.
S. Huang, Y.Q. Li. (2010), Intracellular ethanol accumulation of yeast cells
during aerobic fermentation: a Raman spectroscopic exploration, Lett.Appl . Microbiol . 51: 632-638.
62. L. Peng, D. Chen,
P. Setlow , and
Y. Q. Li* , (2009), Elastic
and inelastic light scattering from single bacterial spores in an optical trap
allows the monitoring of spore germination dynamics , Anal. Chem. , 81, 4035 – 4042. [pdf]
63. D. Chen, L. Shelenkova , Y. Q. Li , C. Kempf, and A. Sabelnikov .
(2009). Laser tweezers Raman
spectroscopy potential for studies of complex dynamic cellular processes:
single cell bacterial lysis . Anal. Ch e m. 81, 3227–3238. [pdf]
64. P.F. Zhang,
P. Setlow , and Y.Q. Li. (2009), Characterization of single
heat-activated Bacillus spores using laser tweezers Raman spectroscopy , Optics Express , 17,
16481-16491.
65. B. Setlow , L. Peng, C. Loshon , Y. Q.
Li , G. Christie, P. Setlow . (2009). Characterization of the germination
of Bacillus megaterium spores lacking enzymes that degrade the spore cortex .
J. Appl. Microbiol . 107 , 318-28.
66. H. Yao, Z. Tao, M. Ai, L. Peng, G. Wang, B. He, Y.Q.
Li. (2009). Raman
spectroscopic analysis of apoptosis of single human gastric cancer cells , Vibrational Spectroscopy , 50, 193-197.
67. S. Ghosh, P. F. Zhang, Y.Q. Li, and P. Setlow . (2009), Superdormant
spores of Bacillus species have elevated wet heat resistance and
temperature requirements for heat activation , J. Bacteriol ., 191, 5584–5591.
68. O. Dyson, P. Ford, D. Chen, Y. Q. Li and S. M. Akula , (2008). Raman tweezers provide the
fingerprint of cells supporting the late stages of KSHV reactivation. Journal
of Cellular and Molecular Medicine, 12,
1-13. [pdf]
69. A. Magge ,
A. C. Granger, P. G. Wahome , B. Setlow ,
V. R. Vepachedu , C. A. Loshon ,
L. Peng, D. Chen, Y.Q. Li, and Peter Setlow . (2008) Role of Dipicolinic Acid in the Germination, Stability and
Viability of Spores of Bacillus subtilis ,
J. Bacteriol . 190, 4798-4807. [pdf ]
70. S.S. Huang, D. Chen, P.L. Pelczar ,
V.R. Vepachedu , P. Setlow , Y.Q.
Li , Levels of Ca2+ -dipicolinic acid in individual Bacillus spores determined using microfluidic Raman tweezers , J.
Bacteriol . 189 , 4681-4687 (2007). [pdf ]
71. W. Coleman, D. Chen, Y.Q. Li , A.E. Cowan, P. Setlow , (2007). Mechanism of the killing of Bacillus subtilis spores by moist heat ,
J. Bacteriol ,
189, 8458-8466. [pdf]
72. C. Xie , N. Nguyen, Y. Zhu, Y.Q. Li. (2007). Rapid detection of the recombinant
proteins in single transgenic microbial cells using laser tweezers and Raman
spectroscopy , Anal. Chem. 79, 9269-9275 [pdf ]
73. H.Y. Tang, H.Y. Yao, G.W. Wang, Y.Wang ,
Y.Q. Li, M.F. Feng, “NIR Raman spectroscopic investigation of single
mitochondria trapped by optical tweezers”, Opt.
Expr . 15, 12708-12716 (2007). [pdf]
74. D. Chen, S.S. Huang, Y.Q. Li . (2006). Real-time detection of
kinetic germination and heterogeneity of single Bacillus spores by laser tweezers Raman spectroscopy , Anal.
Chem. 78, 2936-6941. [pdf]
75. J. Ojeda, C.A. Xie , Y.Q. Li , F. E. Bertrand, J.
Wiley, and T. J. McConnell, “Chromosomal
analysis and identification based on optical tweezers and Raman spectroscopy” ,
Optics Express , 14, 5385-5393 (2006).
[pdf]
76. C. Xie , J. Mace, M.A. Dinno , Y.Q. Li , W. Tang, R.J. Newton, P.J. Gemperline , “Identification of single
bacterial cells in aqueous solution using confocal laser tweezers Raman
spectroscopy” , Anal. Chem . 77,
4390-4397 (2005). [pdf]
77. A.A. Ambardekar , Y.Q. Li ,
“Optical Levitation and
manipulation of stuck particles with pulsed optical tweezers”, Optics
Letters , 30, 1797-1799 (2005). [pdf]
78. M.D. Mannie,
T. McConnell, C.A. Xie , Y.Q. Li ,
“Activation-dependent
phases of T cells distinguished by use of optical tweezers and near infrared
Raman spectroscopy” , J. Immunological
Methods , 297, 53-60 (2005). [pdf]
79. C. Xie , D. Chen, Y.Q. Li ,
“Raman sorting and identification of single
living micro-organisms with optical tweezers” , Optics Letters, 30,
1800-1802 (2005). [pdf]
80. K.E. Hamden, B.A. Bryan, P.W. Ford, C. Xie , Y.Q. Li ,
S.M. Akula , “Spectroscopic analysis of Kaposi's
sarcoma-associated herpesvirus infected cells by Raman tweezers”, J .Virol . Methods, 129,145-51 (2005). [pdf]
81. C . A. Xie ,
M. A. Dinno and Y.Q. Li, “ Observation
of asymmetrically dynamic motion of single colloidal particles in a polarized
optical trap”, Optics Express, 13, 1621-1627 (2005).
82. J. L. Deng, Q. Wei., Y. Z. Wang ,
Y. Q. Li, “ Numerical modeling of optical levitation and trapping of the
stuck particles with a pulsed optical tweezers”, Optics Express , 13,
3673-3680 (2005).
83. J. L. Deng, Q. Wei, M. H. Zhang , Y.
Z. Wang, Y. Q. Li , “ Study of the Effect of
Alcohol on Single Human Red Blood Cells Using
Near-infrared Laser Tweezers Raman Spectroscopy”, J.
Raman Spectroscopy, 36, 257-261 (2005).
84. W. Tang , R.J. Newton , C.A. Xie , Y.Q. Li, N. Whitley , “Non-destructive analysis of the nuclei of transgenic living cells using
laser tweezers and near-infrared raman spectroscopic
technique”, Genomics Proteomics Bioinformatics, 3, 169-78 (2005).
85. C.A. Xie, C.
Goodman, M. A. Dinno, and Y.Q. Li , “Real-time Raman spectroscopy of
optically trapped living cells and organelles”, Optics Express, 12, 6209-6214
(2004).
86. C.A. Xie , Y.Q. Li ,
W. Tang, R.J. Newton, “Study of dynamical process of heat denaturation in
optically trapped single microorganisms by near-infrared Raman spectroscopy”, Journal
of Applied Physics , 94, 6138-6142 (2003).
87. C.A. Xie
and Y.Q. Li , “Confocal micro-Raman spectroscopy of single biological
cells using optical trapping and shifted excitation difference techniques”, Journal
of Applied Physics , 93, 2982-2986 (2003).
88. Y.Q. Li , D. Guzun, G. Salamo, and M. Xiao, “High-efficiency blue light
generation by frequency doubling of picosecond pulses in a thick KNbO 3 crystal”, Journal of Optical Society of America , 20, 1285-1289
(2003).
89. J.-L.
Deng, Y.Q. Li , and Y.Z. Wang, “Measuring transmittance in rubidium vapor
cells using an extremely weak coherent field of light”, Chinese Physics
Letters , 20 , 1504-1506 (2003).
90. C.A. Xie and Y.Q. Li , “Raman spectra
and optical trapping of highly refractive and nontransparent particles”, Applied Physics
Letters, 81, 951-953 (2002).
91. C.A. Xie, M. A.
Dinno, and Y.Q. Li , “Near-infrared Raman spectroscopy of single optically
trapped biological cells”, Optics Letters , 27, 249-251 (2002).
92. Y.Q. Li , P.J. Edwards, X. Huang, and Y.Z.
Wang, "Violation of a classical Cauchy-Schwarz ineqality
in photon noise spectra", Journal of Optics B: Quantum and
Semiclassical Optics , 2, 292-298 (2000).
93. B.L. Lu, Y.Q. Li , H. Ni, and
Y.Z. Wang, “Laser-induced hybrid trap for micro-bubbles”, Applied
Physics, B71, 801-805 (2000).
94. W.H. Burkett,
Y.Q. Li , and M. Xiao, "Inhomogeneous broadening-dependent
spectral features in a four-level atomic system", J. Opt. Soc.
Am. B 17, 293-299 (2000).
95. D. Guzun, Y.Q. Li , M. Xiao,
“Blue light generation in single-pass frequency doubling of femtosecond pulses
in KnbO 3 ”, Optics Communications, 180, 367-371 (2000).
96. Y.Q.
Li and M. Xiao, “Transient spectroscopy with a
current-switched semiconductor diode laser”, Journal of Optics B: Quantum and Semiclassical
Optics , 1 ,
541-545 (1999).
97. Y.Q.
Li, D. Guzun, and M. Xiao, “Sub-shot
noise optical heterodyne detection using amplitude-squeezed light as local
oscillator” , Physical Review Letters , 82 , 5225-5228 (1999).
98. Y.Q.
Li, D. Guzun, and M. Xiao, “Quantum-noise
measurements in high-efficiency single-pass second-harmonic generation with
femtosecond pulses”, Optics Letters , 24 , 987-989 (1999).
99. Y.Q.
Li and M. Xiao, "Generation and
applications of amplitude-squeezed states of light from semiconductor diode
lasers", Optics Express , 2 ,110-117 (1998).
100. H.Y.
Ling, Y.Q. Li , M. Xiao, "Electromagnetically induced grating:
Homo-geneously broadened medium", Physical Review A (Atomic, Molecular,
and Optical Physics) , 57 , 1338-1344 (1998).
101. Y.Q.
Li, P. Lynam, M. Xiao, and P.J. Edwards,
"Sub-shot noise laser Doppler anemometry with amplitude-squeezed
light", Physical Review Letters , 78 , 3105-3108 (1997).
102. Y.Q.
Li, P.J. Edwards, P. Lynam, and W.N. Cheung,
"Quantum-correlated light from transverse junction stripe laser
diodes", International Journal
of Optoelectronics, 10 ,
417-421 (1997).
103. Y.Q.
Li, W.H. Burkett, and M. Xiao, "Coherent
transient amplification in inhomogeneously-broadened rubidium atoms by diode
laser frequency-witching", Optics
Letters , 21 ,
982-984 (1996).
104. Y.Q.
Li and M. Xiao, "Enhancement of
nondegenerate four-wave mixing based on electromagnetically induced
transparency in rubidium atoms", Optics
Letters , 21 ,
1064-1066 (1996).
105. H.Y.
Ling, Y.Q. Li , and M. Xiao, "Coherent population trapping and
electromagnetically induced transparency in multi-Zeeman-sublevel atoms", Physical
Review A (Atomic, Molecular, and Optical Physics) , 53 , 1014-1026
(1996).
106. S.Z.
Jin, Y.Q. Li and Min Xiao, "Single-mode diode laser with a large
frequency-scanning range based on weak grating feedback", Applied
Optics , 35 , 1436-1441 (1996).
107. Y.Q.
Li, S.Z. Jin, and M. Xiao, "Observation
of electromagnetically induced change of absorption in multi-level rubidium
atoms", Physical Review A
(Atomic, Molecular, and Optical Physics), 51 , R1754-1757 (1995).
108. Y.Q.
Li, and M. Xiao, "Electromagnetically
induced transparency in a L-type three-level system of rubidium atoms", Physical Review A (Atomic, Molecular, and Optical
Physics) , 51 ,
R2703-2706 (1995).
109. M.
Xiao, Y.Q. Li , S.Z. Jin, and J. Gea-Banacloche, "Measurement of
dispersive properties of electromagnetically induced transparency in rubidium
atoms", Physical Review Letters , 74 , 666-669 (1995).
110. Y.Q.
Li and M. Xiao, "Observation of quantum
interference between dressed states in electromagnetically induced
transparency", Physical Review
A (Atomic, Molecular, and Optical
Physics), 51 , 4959-4962 (1995).
111. Y.Q.
Li and Min Xiao, "Transient properties of
electromagnetically induced transparency in three-level atoms", Optics Letters , 20 , 1489-1491 (1995).
112. Julio
Gea-Banacloche, Y.Q. Li , S.Z. Jin, and M. Xiao,
"Electromagnetically induced transparency in ladder-type,
inhomogeneous-broadened media: theory and experiment", Physical Review
A (Atomic, Molecular, and Optical Physics) , 51 , 576-584 (1995).
113. Y.Z.
Wang, B.L. Lu, Y.Q. Li , and Y.S. Liu, "Observation of cavity
quantum-electrodynamic effects in a Nd:glass microsphere", Optics
Letters , 20 , 770-772 (1995).
114. S.Z.
Jin, Y.Q. Li and Min Xiao, "Hyperfine spectroscopy of
highly-excited atomic states based on atomic coherence", Optics
Communications , 119 , 90-96 (1995).
115. Y.Q.
Li and K. Moelmer, "Sisyphus laser
cooling of trapped ions: the transition from optical molasses to the Lamb-Dicke
regime", Laser Physics , special
issue on laser cooling and trapping ,
4 , 829-834 (1994).
116. B.L.
Lu, Y.Z. Wang, Y.Q. Li , and Y.S. Liu, "High-order resonance
structures in a Nd-doped glass microsphere", Optics Communications ,
108 , 13-16 (1994).
117. B.L.
Lu, Y.Z. Wang, Y.Q. Li , and Y.S. Liu, "Study of Nd-glass
microsphere spectra modified by cavity QED effect", Acta Optica
Sinica , 14 , 253-256 (1994).
118. B.L.
Lu, Y.Z. Wang, and Y.Q. Li , "Observation of mode shift of Nd-glass
microspherical cavity", Acta Optica Sinica , 14 , 442-444
(1994).
119. J.P.
Yin, Y.Z. Wang, and Y.Q. Li , "Generation of open-loop
sub-Poissonian light in two LEDs system coupled in series by the action of
electrically negative feedback", Science in China A , 24 ,
330-336 (1994).
120. Y.Q.
Li, C.S. Wang, and Y.Z. Wang,
"Experimental observation of nonclassical intensity twin beam", Science in China A , 6 , 647-652 (1992).
121. Y.Q.
Li, J.P. Yin, and Y.Z. Wang, "A new
method for generating squeezed state of the light: theory and experiment of a
hybrid nonlinear system", Chinese
Journal of Quantum Electronics , 9 , 34-35
(1992).
122. Y.Q.
Li, J.P. Yin, and Y.Z. Wang,
"Experimental check of Cauchy-Schwarz inequality in macroscopic
fields", Chinese Journal of
Quantum Electronics , 9 , 35-36
(1992).
123. Y.Q.
Li, J.P. Yin, and Y.Z. Wang, "Generation
and observation of squeezed light", Acta Optica Sinica , 11 , 863
(1992).
124. J.P.
Yin, Y.Q. Li , and Y.Z. Wang, "Experimental study of noise spectral
characteristics and squeezed relationship in non-classical intensity
correlation state of the light", Chinese Journal of Quantum Electronics , 9 ,
15-16 (1992).
125. Y.Q.
Li, and Y.Z. Wang, "Study on photon
statistical characteristics of multi-mode laser fields", Chinese Journal of Lasers , 18 , 104-109 (1991).
126. Y.Q.
Li, and Y.Z. Wang, "Squeezed chaotic
states of the radiation field, I: Characteristic function and squeezing; II:
Super bunching effect and time evolution", Acta Optica Sinica , 9 , 385-393 (1989).
127. Y.Q.
Li, and Y.Z. Wang, "Squeezed chaotic
states generated via degenerate four-wave mixing", Chinese Journal of Lasers , 16 , 377 (1989).
128. Y.Q.
Li and Y.Z. Wang, "Reduction of quantum
noise by photon correlation", Acta
Physica Sinica , 38 ,
476-480 (1989).
Conference
Proceedings and Presentations:
129. Y.Q.
Li, (2008). Monitoring
biological dynamics of single cells and cellular heterogeneity using laser
tweezers and Raman spectroscopy. Presented at
7th International Conference on Photonics and Imaging in Biology and
Medicine, Wuhan, China (Invited talk).
130. Y.
Li, M. Ai, H.Yao , G. Wang, & Y.Q. Li, (2008). Dual-trap Raman
tweezers for manipulation and analysis of living cells.
Presented at 7th International Conference on Photonics and Imaging in
Biology and Medicine, Wuhan, China.
131. D.
Chen, S.-S. Huang, and Y.Q. Li, “Depolarized Raman spectroscopy of Optically Trapped Cells for Rapid Identification
of Microorganisms”, Technical Digest of 2007 Conference on Lasers and
Electro-Optics (CLEO/IQEC 2007), Baltimore, MA, May 6-11, 2007.
132. S.-S.
Huang, D. Chen, and Y.Q. Li, “Detection of Bacillus
thuringiensis Spore Germination via CaDPA
Biomarker Using Laser Tweezers Raman Spectroscopy”, Technical Digest of 2007
Conference on Lasers and Electro-Optics (CLEO/IQEC 2007), Baltimore, MA, May
6-11, 2007.
133. D.
Chen, Y.Q. Li, A. P. Bode, “ Raman
spectroscopic evaluation of the fixation and re-hydration of single human
platelets”, The proceedings
of the 2006 Biomedical Optics conference, ME70.pdf, Fort Lauderdale, Florida,
USA, March 19-22, 2006.
134. G.
W. Wang, H. L. Yao, S.S. Huang, P. Chen, Y.Q.
Li , “Vibartional spectroscopic
identification of α- and β-Thalassemia with single-cell Raman
tweezers ”, The proceedings of the 2006 Biomedical Optics
conference, ME77.pdf, Fort Lauderdale, Florida, USA, March 19-22, 2006.
135. J.
F. Ojeda, C.A. Xie, Y. Q. Li , F. E.
Bertrand, J. Wiley, and T. J. McConnell,
“Discrimination of single human chromosomes using confocal Raman-tweezers
spectroscopy”, The proceedings of
the 2006 Biomedical Optics conference, TuF2.pdf, Fort Lauderdale, Florida, USA,
March 19-22, 2006.
136. A. Ambardekar and Y.Q. Li , “Pulsed
optical tweezers for levitation and manipulation of stuck biological particles ”, 200 5
Conference on Lasers and Electro-Optics (CLEO/IQEC 200 5) .
137. C.A.
Xie and Y.Q. Li , “ Detection of Activation States of T Cells with Raman-Tweezers
Spectroscopy ”, 2005
Conference on Lasers and Electro-Optics (CLEO/IQEC 2005 ).
138. C.A.
Xie, D . Chen ,
T . Hollis, and Y.Q. Li , “Sorting and
identification of food-borne microorganisms using Raman-tweezers spectroscopy ”, 200 5 Conference on Lasers and
Electro-Optics (CLEO/IQEC 200 5) .
139. C.A.
Xie, Y.Q. Li, “Reagentless
Discrimination of Bacteria Using the Laser Tweezers and Confocal Raman
Spectroscopy ”, 200 5 Conference on Lasers and
Electro-Optics (CLEO/IQEC 200 5) .
140. C.A.
Xie, Y. Zhu, and Y.Q. Li , “A rapid method for detection of recombinant
proteins in single Pichia yeast cell with optical Raman-tweezers spectroscopy”,
Technical Digest of 2004 Conference on Lasers and Electro-Optics (CLEO/IQEC
2004), CWS7, San Francisco, May 16-21, 2004.
141. C.A.
Xie and Y.Q. Li , “Raman-tweezers spectroscopic method for rapid
identification of mircoorganisms in liquid medium”, Technical Digest of 2004
Conference on Lasers and Electro-Optics (CLEO/IQEC 2004), CTuG2, San Francisco,
May 16-21, 2004.
142. J.L.
Deng, Q . Wei, Y . Wang , and Y.Q. Li , “Optical Trapping and Raman Spectroscopy of Single Living
Cells : Principle
and Applications ”, Photonics Asia, Beijing, (2004).
143. C.A.
Xie, Y.Q. Li , “Detection and Identification of Biological and
Non-biological Particles Using Optical Tweezers and Raman Spectroscopy
Sensors”, Technical Digest of 2003 Conference on Lasers and Electro-Optics
(CLEO 2003), CMG5, Baltimore, June 1-6, 2003.
144. C.A.
Xie, M.A. Dinno, and Y.Q. Li , “Optical Trapping and Raman Spectroscopy
of Single Living Cells and Single Organelles”, Technical Digest of 2003 Quantum
Electronics and Laser Science Conference (QELS 2003), QMG3, Baltimore, June
1-6, 2003.
145. Y.Q.
Li, C.A. Xie, and M.A. Dinno, “Optical
manipulation of single electrically charged biological particles”, Proceedings
of SPIE, vol. 4622, 183-187 (2002).
146. Y.Q.
Li, C.A. Xie, and M. A. Dinno, “ Highly Sensitive Detection of Electrical Charges on
a Single Macromolecules with Optical Tweezers”, Abstract in Photonics West,
LASE 2002 (SPIE The international Society for Optical Engineering, 2002),
#4634-14.
147. Y.Q.
Li, C.A. Xie, and Yu-zhu Wang, “Laser trapping
and Raman spectroscopy of single living cells and single biological molecules”,
XVIII International Conference in Atomic Physics (ICAP 2002), Cambridge,
Massachusetts, USA, July 28-August 2 (2002).
148. Y.Q.
Li and Yu-zhu Wang, “Ultra-narrow resonance in
Rb atoms with a single microwave-FM diode laser”, XVIII International
Conference in Atomic Physics (ICAP 2002), Cambridge, Massachusetts, USA, July
28-August 2 (2002).
149. Y.Q.
Li, C.A. Xie, “Quantum state manipulation via
Raman coherence”, in OSA Trends in
Optics and Photonics (TOPS), vol.57, Quantum Electronics and Laser Science
Conference (QELS 2001) , Technical
Digest, Postconference Edition (Optical Society of America, Washington DC,
2001), pp.40-41.
150. C.A.
Xie, M. Dinno, and Y.Q. Li , "Direct measurement of asymmetric
dynamic motion and cross-correlation of a Rayleigh particle in an optical
trap", 2001’CLEO, Conference on Lasers and Electro-Optics, CWA, Baltimore,
MA, USA, May 6-11, 2001.
151. D.
Guzun, Y.Q. Li , and M. Xiao, “Second-harmonic generation with
femtosecond pulses and its applications in sub-shot-noise detection”; Proc SPIE
Int. Soc. Opt. Eng., vol. 3940, 72-80 (2000).
152. Y.Q.
Li, C. Christou, X.H. Hu, M. Dinno,
"Quasi-elastic light scattering of laser trapped biological
particles", 2000’CLEO, Conference on Lasers and Electro-Optics, Photon
Migration and Light Scattering in Biological Tissue Division, CTY1, San
Franscisco, CA, May 7-12, 2000.
153. Y.Q.
Li, D. Guzun, and M. Xiao, “Sub-shot noise lightwave
detection using amplitude-squeezed local oscillator for optical sensing”,
1999’CLEO, Conference on Lasers and Electro-Optics, Coherent and DIAL Lidar
Division, CFE2, Baltimore, Maryland, USA, May 23-28, 1999.
154. Y.Q.
Li, D. Guzun, and M. Xiao, “Quantum-noise
measurements in high-efficiency single-pass sum-frequency generation with
femtosecond pulses”, 1999’QELS, Quantum Electronics and Laser Science
Conference, Quantum Measurement Division, QMD5, May 23-28, 1999, Baltimore,
Maryland, USA.
155. Y.Q.
Li and M. Xiao, "Near-infrared Raman
spectroscopy and two-photon fluorescence of molecules adsorbed on laser-trapped
nanoparticles", 1998 OSA Annual Meeting / 14th Interdisciplinary Laser
Science Conference, Optics in Biology and Medicine Division, ThXX4, October
4-9, 1998, Baltimore, Maryland, USA.
156. Y.Q.
Li and M. Xiao, "Coherent transient
measurements with a semiconductor diode laser", IEEE/LEOS Summer Topical
Meeting’1997, ThD3, August 11-15, 1997, Montreal, Quebec, Canada.
157. Y.Q.
Li and M. Xiao, “Sub-shot-noise-limited
heterodyne detection with a squeezed local oscillator”, 1997 OSA Annual
Meeting/ILS-XIII, ThJJ5, October 12-17, 1997, Long Beach, California, USA.
158. Y.Q.
Li, P. Lynam, M. Xiao, and P.J. Edwards,
“Sub-shot-noise laser Doppler technique with photon-number squeezed light”, The
13th International Conference on Laser Spectroscopy, June 3-7, 1997, Hangzhou,
China.
159. H.Y.
Ling, Y.Q. Li and M. Xiao, "Electromagnetically induced grating”, The
13th International Conference on Laser Spectroscopy, June 3-7, 1997, Hangzhou,
China.
160. Y.Q.
Li and M. Xiao, "Transient inversionless
amplification in rubidium atoms by laser frequency-switching",
Coherence and Quantum Optics VII, eds. by J. H. Eberly, L. Mandel, and E. Wolf,
(Plenum Press, New York, 1996), p.709-10.
161. Y.Q.
Li and M. Xiao, "Electromagnetically
induced transparency in rubidium atoms: enhancement of four-wave
mixing", Coherence and Quantum Optics VII, eds. by J. H.
Eberly, L. Mandel, and E. Wolf, (Plenum Press, New York, 1996), p.455-6.
162. H.Y.
Ling, Y.Q. Li and M. Xiao, "Electromagnetically induced
transparency in Multi-Zeeman-sublevel atoms", Coherence and Quantum Optics
VII, eds. by J. H. Eberly, L. Mandel, and E. Wolf, (Plenum Press, New York,
1996), p.453-4.
163. P.J.
Edwards, X. Huang, and Y.Q. Li , "Novel macroscopic violation of a
Cauchy-Schwarz inequality using bunched and unbunched beams", Coherence
and Quantum Optics VII, eds. by J. H. Eberly, L. Mandel, and E. Wolf, (Plenum
Press, New York, 1996), p.713-4.
164. Y.Q.
Li and M. Xiao, "Observation of cw light
amplification in a lambda-type system of Rb atoms due to atomic
coherence", in IQEC '96, Proceedings of XX International Quantum
Electronics Conference, TuG3, 14-19 July, 1996, Sydney, Australia.
165. H.Y.
Ling and Y.Q. Li , "Two-photon lasers without population
inversion", in IQEC '96, Proceedings of XX International Quantum
Electronics Conference, ThK3, July, 1996, Sydney, Australia.
166. Y.Q.
Li, P. J. Edwrads, and X. Huang,
"Anti-Schwarz beam correlation from electrically coupled light-emitting
diodes", in IQEC '96, Proccedings of XX International Quantum Electronics
Conference, TuL43, 14-19 July, 1996, Sydney, Australia.
167. Y.Q.
Li, P.J. Edwards, W.N. Cheung, and P. Lynam,
"Measurement of internal electrical current partition in optoelectronic
devices by quantum correlation of light beams", in IQEC '96, Proceedings
of XX International Quantum Electronics Conference, TuL31, 14-19 July, 1996,
Sydney, Australia.
168. P.J.
Edwards, Y.Q. Li , P. Lynam, and W.N. Cheung, "Measurement of
quantum-correlated light from TJS laser diodes", in IQEC '96, Proccedings
of XX International Quantum Electronics Conference, ThR5, 14-19 July, 1996,
Sydney, Australia.
169. Y.Q.
Li and M. Xiao, "Nonlinear non-degenerate
four-waves mixing using electromagnetically induced transparency",
QELS’95, Summaries of papers presented at Quantum Electronics and Laser Science
Conference, vol.16, 1995 Technical Digest Series, Conference Edition (IEEE Cat.
No. 95CH35799), p.93-4.
170. P.J.
Edwards, X. Huang, Y.Q. Li , and Y.Z. Wang, "Macroscopic violation
of three Cauchy-Schwarz inequalities using correlated light beams from an
infra-red emitting semiconductor diode array", in Proceedings of
4th International Conference on Squeezing, Shanxi, The People's Republic
of China, June 1995, p.575-80.
171. Y.Q.
Li, "Off-resonance atomic coherence:
transition from two-photon enhanced absorption to population trapping",
Quantum Optics, satellite meeting to IQEC '96, 8-9 July, 1996, Cairns, North
Queensland, Australia.
172. Y.Q.
Li, S.Z. Jin, and M. Xiao, "Enhancement
of dispersion due to atomic coherence in multi-level rubidium atoms", in
1994 'IQEC, Proceedings of XVIV International Quantum Electronics Conference,
QThA6, Anaheim, California, USA, May 8-13, (1994).
173. M.
Xiao, Y.Q. Li , S.Z. Jin, and J. Gea-Banacloche, "Measurement of
dispersive properties of electromagnetically induced transparency in
three-level system", in 1994' ICAP, International conference on atomic
physics, Colorado, USA, August 1-5 (1994).
174. Y.Q.
Li, S.Z, Jin, Julio Gea-Banacloche, M. Xiao,
"Study of absorption properties due to atomic coherence in multi-level
rubidium atoms", in 1994' OSA Annual Meeting / 10th Interdisciplinary
Laser Science Conference, WBB6 paper, Oct 2-7, Dallas, Texas, USA.
175. S.Z.
Jin, Y.Q. Li , M. Xiao, "Measurement of hyperfine structures of
highly-exited-atomic state by atomic coherence", in 1994' OSA Annual
Meeting / 10th Interdisciplinary Laser Science Conference, WBB4 paper, Oct 2-7,
(1994), Dallas, Texas, USA.
176. Yin
Jianping, Zhu Shiqun, Gao Wejian, Y.Q. Li , Y.Z. Wang;
"Time-spectrum characteristics of the degree of second-order coherence of
a two-mode laser field and its possible applications in frequency and amplitude
stabilization", SPIE, vol. 1726, 286 (1992).
177. Y.Q.
Li, J.P. Yin, and Y.Z. Wang, "Violation
of Cauchy-Schwarz inequality by nonclassical intensity twin beam", in IQEC
'92 Technical Digest, Proceedings of the Eighteenth International Quantum
Electronics Conference, Vienna, Austria, paper MoG7, June (1992), p.30-1.
178. Y.Z.
Wang, Y.Q. Li and J.P. Yin, "Observation of nonclassical states of
the light in a hybrid AOM nonlinear system", in IQEC '92 Technical Digest,
Proceedings of the Eighteenth International Quantum Electronics Conference,
Vienna, Austria, paper PWe029, June (1992), p.272-3.
179. Y.Z.
Wang, Y.Q. Li , and J.P. Yin, "Generation of nonclassical states
of the light by electro-optical nonlinear effects", in the International
Nonlinear Optics Conferences, (invited paper), Harvais, USA, August 15-23,
1992, Nonlinear Optics, OSA Technical Digest Series 18, p.176 (1992).
180. Y.Z.
Wang, B.L. Lu, Y.Q. Li , and Y.S. Liu, Proc. Soc. Photo-Opt.
Instrum. Eng. 1979 , 166 (1992).
181. Y.Z.
Wang, H. Ni, Y.Q. Li , Y.G. Xu, B.L. Lu and W.D. Shao, "Laser
induced hybrid trap for micro-particles", SPIE, 1726 , 174-181
(1992).
182. Y.Z.
Wang, Y.Q. Li , Y.S. Liu, and B.L. Lu, "A Nd:glass microspherical
cavity laser induced by cavity QED effects", SPIE, 1501 , 40 (1991).
183. Y.Z.
Wang, Y.Q. Li , Y.S. Liu, and B.L. Lu, "Observation of cavity QED
effects in a Nd:glass microspherical cavity", Laser Spectroscopy XX,
p.205-10, (1991). (invited paper).
184. Y.Q.
Li, and Y.Z. Wang, "Instabilities, mode
coexistence and bistable behavior in a multimode dye laser near the threshold",
in IQEC '90, Proceedings of XVII International Quantum Electronics Conference,
Anaheim, California, USA, May (1990).
185. Y.Q.
Li, and Y.Z Wang, "Two-photon chaotic
states of the radiation fields", Laser Spectroscopy VIII, Proceedings of
the Eighth International Conference on Laser Spectroscopy, edited by W. Persson
and S. Svanberg, (Springer-Verlag, Berlin, 1987),152-3.