Gregory Doudna
Biographic Data
| ID | 5598740 |
|---|---|
| NAME | Gregory Doudna |
| GIVEN NAMES | Gregory |
| FAMILY NAME | Doudna |
| SIGNATURE | DOUDNA G |
| AFFILIATIONS | Columbia University |
| VERIFIED | No |
| TOTAL WORKS | 6 |
| TOTAL CITATIONS | 13 |
| WORKS AS AUTHOR | 6 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 1997 |
| LATEST PUBLICATION YEAR | 2011 |
| H-INDEX | 2 |
On the Age and Content of Jar-35-a Sealed and Intact Storage Jar Found on the Southern Plateau of Qumran
An intact and sealed storage jar known as Jar-35 was found in 2004, south of the Qumran settlement. A previous study identified tartrate in the deposit of the jar, indicating the possible past presence of wine (Buti et al. 2006). However, we cannot confirm this finding. Using liquid and gas chromatography with mass spectrometric detection, no trace of tartaric acid or salts thereof could be detected in our samples. We show that the major componen…
The Effects of Possible Contamination on the Radiocarbon Dating of the Dead Sea Scrolls II
While kept at the Rockefeller Museum in East Jerusalem, many Dead Sea Scroll fragments were exposed to castor oil by the original team of editors in the course of cleaning the parchments. Castor oil must be regarded as a serious contaminant in relation to radiocarbon dating. If modern castor oil is present and is not removed prior to dating, the 14 C dates will be skewed artificially towards modern values. In Rasmussen et al. (2001), it was shown…
Qumran Textiles in the Palestine Exploration Fund, London
Three pieces of fabric from Qumran's Cave 1 have been stored in the Palestine Exploration Fund collection since the 1960s but have hitherto never been tested or re-examined. The fabric is made of linen, and was probably used for wrapping or packing scrolls, or sealing jars. New radiocarbon dating on one piece of fabric indicated a probability of 55% for it being made between 1 and 55 A.D., and a probability of 95.4% that it was made between 50 ca…
Reply to Israel Carmi (2002)
Carmi (2002) is a response to our study published in Radiocarbon 43(1) by Rasmussen et al. (2001). We noted widespread possible exposure to castor oil of the Dead Sea Scrolls (DSS) in the Rockefeller Museum in the 1950s and reported experiments showing that the AAA pretreatment used in the first 2 series of radiocarbon datings of the DSS (Bonani et al. [1992] and Jull et al. [1995]), “cannot be guaranteed to have removed all of the modern carbon …
The Effects of Possible Contamination on the Radiocarbon Dating of the Dead Sea Scrolls I
Some fragments of the Dead Sea Scroll manuscripts were contaminated with castor oil in the late 1950s. We have conducted experiments in order to establish if the AAA pretreatment cleaning procedures conducted on Dead Sea Scroll manuscript samples in the last two dating series (Bonani et al. 1992; Jull et al. 1995) were effective in removing oil contamination. Our experiments show that not all oil contamination can be expected to have been removed…
Conference Participants
From the 16th International Radiocarbon Conference held in Gronigen, Netherlands, June 16-20, 1997
The Effects of Possible Contamination on the Radiocarbon Dating of the Dead Sea Scrolls I
Some fragments of the Dead Sea Scroll manuscripts were contaminated with castor oil in the late 1950s. We have conducted experiments in order to establish if the AAA pretreatment cleaning procedures conducted on Dead Sea Scroll manuscript samples in the last two dating series (Bonani et al. 1992; Jull et al. 1995) were effective in removing oil contamination. Our experiments show that not all oil contamination can be expected to have been removed…
The Effects of Possible Contamination on the Radiocarbon Dating of the Dead Sea Scrolls II
While kept at the Rockefeller Museum in East Jerusalem, many Dead Sea Scroll fragments were exposed to castor oil by the original team of editors in the course of cleaning the parchments. Castor oil must be regarded as a serious contaminant in relation to radiocarbon dating. If modern castor oil is present and is not removed prior to dating, the 14 C dates will be skewed artificially towards modern values. In Rasmussen et al. (2001), it was shown…
Reply to Israel Carmi (2002)
Carmi (2002) is a response to our study published in Radiocarbon 43(1) by Rasmussen et al. (2001). We noted widespread possible exposure to castor oil of the Dead Sea Scrolls (DSS) in the Rockefeller Museum in the 1950s and reported experiments showing that the AAA pretreatment used in the first 2 series of radiocarbon datings of the DSS (Bonani et al. [1992] and Jull et al. [1995]), “cannot be guaranteed to have removed all of the modern carbon …
Qumran Textiles in the Palestine Exploration Fund, London
Three pieces of fabric from Qumran's Cave 1 have been stored in the Palestine Exploration Fund collection since the 1960s but have hitherto never been tested or re-examined. The fabric is made of linen, and was probably used for wrapping or packing scrolls, or sealing jars. New radiocarbon dating on one piece of fabric indicated a probability of 55% for it being made between 1 and 55 A.D., and a probability of 95.4% that it was made between 50 ca…
Conference Participants
From the 16th International Radiocarbon Conference held in Gronigen, Netherlands, June 16-20, 1997
Conference Participants
From the 16th International Radiocarbon Conference held in Gronigen, Netherlands, June 16-20, 1997
The Effects of Possible Contamination on the Radiocarbon Dating of the Dead Sea Scrolls I
Some fragments of the Dead Sea Scroll manuscripts were contaminated with castor oil in the late 1950s. We have conducted experiments in order to establish if the AAA pretreatment cleaning procedures conducted on Dead Sea Scroll manuscript samples in the last two dating series (Bonani et al. 1992; Jull et al. 1995) were effective in removing oil contamination. Our experiments show that not all oil contamination can be expected to have been removed…
Reply to Israel Carmi (2002)
Carmi (2002) is a response to our study published in Radiocarbon 43(1) by Rasmussen et al. (2001). We noted widespread possible exposure to castor oil of the Dead Sea Scrolls (DSS) in the Rockefeller Museum in the 1950s and reported experiments showing that the AAA pretreatment used in the first 2 series of radiocarbon datings of the DSS (Bonani et al. [1992] and Jull et al. [1995]), “cannot be guaranteed to have removed all of the modern carbon …
Qumran Textiles in the Palestine Exploration Fund, London
Three pieces of fabric from Qumran's Cave 1 have been stored in the Palestine Exploration Fund collection since the 1960s but have hitherto never been tested or re-examined. The fabric is made of linen, and was probably used for wrapping or packing scrolls, or sealing jars. New radiocarbon dating on one piece of fabric indicated a probability of 55% for it being made between 1 and 55 A.D., and a probability of 95.4% that it was made between 50 ca…
The Effects of Possible Contamination on the Radiocarbon Dating of the Dead Sea Scrolls II
While kept at the Rockefeller Museum in East Jerusalem, many Dead Sea Scroll fragments were exposed to castor oil by the original team of editors in the course of cleaning the parchments. Castor oil must be regarded as a serious contaminant in relation to radiocarbon dating. If modern castor oil is present and is not removed prior to dating, the 14 C dates will be skewed artificially towards modern values. In Rasmussen et al. (2001), it was shown…
On the Age and Content of Jar-35-a Sealed and Intact Storage Jar Found on the Southern Plateau of Qumran
An intact and sealed storage jar known as Jar-35 was found in 2004, south of the Qumran settlement. A previous study identified tartrate in the deposit of the jar, indicating the possible past presence of wine (Buti et al. 2006). However, we cannot confirm this finding. Using liquid and gas chromatography with mass spectrometric detection, no trace of tartaric acid or salts thereof could be detected in our samples. We show that the major componen…
Archaeology (6 works) · Radiocarbon dating (6 works) · Archaeology and ancient environmental studies (5 works) · Geology (5 works) · Chemistry (4 works) · History (4 works) · Castor oil (3 works) · Cultural Heritage Materials Analysis (3 works) · Dead sea (3 works) · Dead Sea Scrolls (3 works)