The effects of intraspecific competition and light transmission within the canopy on wheat yield in a wide-precision planting pattern

The use of transmission electron microscopy (TEM) to support process development of advanced microelectronic devices is often challenged by a large amount of samples submitted from wafer fabrication areas and specific-spot analysis. Improving the TEM sample preparation techniques for a fast turnaround time is critical in order to provide a timely support for customers and improve the utilization of TEM. For the specific-area sample preparation, a technique which can be easily prepared with the least amount of effort is preferred. For these reasons, we have developed several techniques which have greatly facilitated the TEM sample preparation.For specific-area analysis, the use of a copper grid with a small hole is found to be very useful. With this small-hole grid technique, TEM sample preparation can be proceeded by well-established conventional methods. The sample is first polished to the area of interest, which is then carefully positioned inside the hole. This polished side is placed against the grid by epoxy Fig. 1 is an optical image of a TEM cross-section after dimpling to light transmission.

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Role of the exosporial membrane in attachment and germination of C. sporogenes

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100146035 ◽

1993 ◽

Vol 51 ◽

pp. 38-39

Author(s):

B.J. Panessa-Warren ◽

G.T. Tortora ◽

J.B. Warren

Keyword(s):

Enzymatic Degradation ◽

Light Transmission ◽

Extended Period ◽

Growth Conditions ◽

Clostridium Sporogenes ◽

Radiation Chemical ◽

Physical Trauma ◽

Extended Contact ◽

Cold Pressure

Some bacteria are capable of forming highly resistant spores when environmental conditions are not adequate for growth. Depending on the genus and species of the bacterium, these endospores are resistant in varying degrees to heat, cold, pressure, enzymatic degradation, ionizing radiation, chemical sterilants,physical trauma and organic solvents. The genus Clostridium, responsible for botulism poisoning, tetanus, gas gangrene and diarrhea in man, produces endospores which are highly resistant. Although some sporocides can kill Clostridial spores, the spores require extended contact with a sporocidal agent to achieve spore death. In most clinical situations, this extended period of treatment is not possible nor practical. This investigation examines Clostridium sporogenes endospores by light, transmission and scanning electron microscopy under various dormant and growth conditions, cataloging each stage in the germination and outgrowth process, and analyzing the role played by the exosporial membrane in the attachment and germination of the spore.

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High-performance light transmission based on graphene plasmonic waveguides

Journal of Materials Chemistry C ◽

10.1039/d0tc01125h ◽

2020 ◽

Vol 8 (20) ◽

pp. 6832-6838 ◽

Cited By ~ 4

Author(s):

Da Teng ◽

Kai Wang ◽

Qiongsha Huan ◽

Weiguang Chen ◽

Zhe Li

Keyword(s):

High Performance ◽

Light Transmission ◽

Optical Field ◽

Plasmonic Waveguides ◽

Rib Waveguide

Tunable ultra-deep subwavelength optical field confinement is reported by using a graphene-coated nanowire-loaded silicon nano-rib waveguide.

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Platelet Hypersensitivity in Acute Malaria (Plasmodium falciparum) Infection in Man

Thrombosis and Haemostasis ◽

10.1055/s-0038-1653407 ◽

1981 ◽

Vol 46 (02) ◽

pp. 547-549 ◽

Cited By ~ 21

Author(s):

E M Essien ◽

M I Ebhota

Keyword(s):

Plasmodium Falciparum ◽

Malaria Infection ◽

Light Transmission ◽

Human Platelet ◽

Platelet Rich Plasma ◽

Wave Pattern ◽

Falciparum Infection ◽

Secondary Wave ◽

Control Subjects ◽

The Mean

SummaryDuring acute malaria infection, platelets in human platelet-rich plasma are hypersensitive to the addition of ADP between 1.0 uM and 5.0 uM, or adrenaline 0.11 uM as aggregating agents. The mean maximum aggregation amplitude (as % of light transmission) obtained from 8 subjects in response to added ADP (1.0 uM), 39.8 ± 27 (1SD), was significantly greater than the value in 6 controls (5.2±6.7 (1SD); t = 3, 51 P <0.005). A similar pattern of response was obtained with higher ADP concentrations (2.4,4.5 or 5.0 uM) in 22 patients and 20 control subjects (89.9±14.9% vs 77.8±16.5% (1SD) t = 2.45, P <0.02). Addition of 4.5 uM ADP to patient PRP usually evoked only a single aggregation wave (fused primary and secondary waves) while the typical primary and secondary wave pattern was usually obtained from controls.Mean plasma B-thromboglobulin (BTG) concentration in 7 patients (208.3 ± 15.6 ng/ml) was significantly higher than the value in 6 control subjects (59.2±15.7 ng/ml; t = 13.44, P <0.002).

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Adenosine Diphosphate (ADP)-Induced ⍺-Granules Release from Platelets of Native Whole Blood Is Reduced by Ticlopidine but Not by Aspirin or Dipyridamole

Thrombosis and Haemostasis ◽

10.1055/s-0038-1661629 ◽

1986 ◽

Vol 56 (02) ◽

pp. 147-150 ◽

Cited By ~ 18

Author(s):

V Pengo ◽

M Boschello ◽

A Marzari ◽

M Baca ◽

L Schivazappa ◽

...

Keyword(s):

Whole Blood ◽

Light Transmission ◽

Ex Vivo ◽

Early Stage ◽

Shape Change ◽

Adenosine Diphosphate ◽

Dose Dependent ◽

Plateletderived Growth Factor ◽

Platelet Shape

SummaryA brief contact between native whole blood and ADP promotes a dose-dependent release of platelet a-granules without a fall in the platelet number. We assessed the “ex vivo” effect of three widely used antiplatelet drugs, aspirin dipyridamole and ticlopidine, on this system. Aspirin (a single 800 mg dose) and dipyridamole (300 mg/die for four days) had no effect, while ticlopidine (500 mg/die for four days) significantly reduced the a-granules release for an ADP stimulation of 0.4 (p <0.02), 1.2 (p <0.01) and 2 pM (p <0.01). No drug, however, completeley inhibits this early stage of platelet activation. The platelet release of α-granules may be related to platelet shape change of the light transmission aggregometer and may be important “in vivo” by enhancing platelet adhesiveness and by liberating the plateletderived growth factor.

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